From 88c832fa824237cb29d29b87032e777c5cc60fa3 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 31 Jul 2023 22:11:48 +0000 Subject: [PATCH] Bump google.golang.org/grpc from 1.51.0 to 1.57.0 Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.51.0 to 1.57.0. - [Release notes](https://github.com/grpc/grpc-go/releases) - [Commits](https://github.com/grpc/grpc-go/compare/v1.51.0...v1.57.0) --- updated-dependencies: - dependency-name: google.golang.org/grpc dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] --- go.mod | 6 +- go.sum | 15 +- .../genproto/{ => googleapis/rpc}/LICENSE | 0 .../googleapis/rpc/status/status.pb.go | 10 +- vendor/google.golang.org/grpc/CONTRIBUTING.md | 25 +- .../grpc/attributes/attributes.go | 41 + .../grpc/balancer/balancer.go | 8 + .../grpc/balancer_conn_wrappers.go | 486 +++--- .../grpc_binarylog_v1/binarylog.pb.go | 9 +- vendor/google.golang.org/grpc/call.go | 5 + vendor/google.golang.org/grpc/clientconn.go | 772 +++++--- .../grpc/codes/code_string.go | 51 +- .../google.golang.org/grpc/credentials/tls.go | 4 +- vendor/google.golang.org/grpc/dialoptions.go | 95 +- .../grpc/encoding/encoding.go | 4 +- .../grpc/grpclog/loggerv2.go | 7 +- vendor/google.golang.org/grpc/idle.go | 287 +++ .../grpc/internal/binarylog/binarylog.go | 11 +- .../grpc/internal/binarylog/method_logger.go | 142 +- .../grpc/internal/binarylog/sink.go | 12 +- .../grpc/internal/buffer/unbounded.go | 26 +- .../grpc/internal/envconfig/envconfig.go | 46 +- .../grpc/internal/envconfig/observability.go | 6 + .../grpc/internal/envconfig/xds.go | 48 +- .../grpc/internal/grpclog/prefixLogger.go | 12 + .../grpc/internal/grpcrand/grpcrand.go | 21 + .../internal/grpcsync/callback_serializer.go | 119 ++ .../grpc/internal/grpcsync/pubsub.go | 136 ++ .../grpc/internal/internal.go | 37 + .../grpc/internal/metadata/metadata.go | 62 +- .../internal/resolver/dns/dns_resolver.go | 78 +- .../resolver/passthrough/passthrough.go | 11 +- .../grpc/internal/resolver/unix/unix.go | 4 +- .../grpc/internal/serviceconfig/duration.go | 130 ++ .../grpc/internal/transport/controlbuf.go | 127 +- .../grpc/internal/transport/defaults.go | 6 + .../grpc/internal/transport/handler_server.go | 52 +- .../grpc/internal/transport/http2_client.go | 124 +- .../grpc/internal/transport/http2_server.go | 220 +-- .../grpc/internal/transport/http_util.go | 26 +- .../grpc/internal/transport/logging.go | 40 + .../grpc/internal/transport/transport.go | 31 +- .../grpc/metadata/metadata.go | 13 +- .../google.golang.org/grpc/picker_wrapper.go | 62 +- vendor/google.golang.org/grpc/pickfirst.go | 58 +- vendor/google.golang.org/grpc/regenerate.sh | 7 +- .../grpc/resolver/resolver.go | 66 +- .../grpc/resolver_conn_wrapper.go | 229 ++- vendor/google.golang.org/grpc/rpc_util.go | 95 +- vendor/google.golang.org/grpc/server.go | 315 ++-- .../google.golang.org/grpc/service_config.go | 83 +- .../grpc/shared_buffer_pool.go | 154 ++ vendor/google.golang.org/grpc/stats/stats.go | 22 +- .../google.golang.org/grpc/status/status.go | 53 +- vendor/google.golang.org/grpc/stream.go | 132 +- vendor/google.golang.org/grpc/version.go | 2 +- vendor/google.golang.org/grpc/vet.sh | 34 +- .../protobuf/encoding/protojson/doc.go | 2 +- .../encoding/protojson/well_known_types.go | 12 +- .../protobuf/encoding/protowire/wire.go | 8 +- .../protobuf/internal/encoding/json/decode.go | 2 +- .../protobuf/internal/encoding/text/decode.go | 5 +- .../internal/encoding/text/decode_number.go | 43 +- .../protobuf/internal/genid/descriptor_gen.go | 90 +- .../protobuf/internal/impl/convert.go | 1 - .../protobuf/internal/strs/strings_unsafe.go | 2 +- .../protobuf/internal/version/version.go | 4 +- .../google.golang.org/protobuf/proto/doc.go | 9 +- .../google.golang.org/protobuf/proto/equal.go | 172 +- .../reflect/protoreflect/source_gen.go | 14 + .../protobuf/reflect/protoreflect/value.go | 2 +- .../reflect/protoreflect/value_equal.go | 168 ++ .../reflect/protoreflect/value_union.go | 4 +- .../reflect/protoregistry/registry.go | 2 +- .../types/descriptorpb/descriptor.pb.go | 1547 +++++++++++------ .../protobuf/types/known/anypb/any.pb.go | 135 +- .../types/known/durationpb/duration.pb.go | 63 +- .../types/known/timestamppb/timestamp.pb.go | 61 +- .../types/known/wrapperspb/wrappers.pb.go | 2 +- vendor/modules.txt | 8 +- 80 files changed, 4778 insertions(+), 2255 deletions(-) rename vendor/google.golang.org/genproto/{ => googleapis/rpc}/LICENSE (100%) create mode 100644 vendor/google.golang.org/grpc/idle.go create mode 100644 vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go create mode 100644 vendor/google.golang.org/grpc/internal/grpcsync/pubsub.go create mode 100644 vendor/google.golang.org/grpc/internal/serviceconfig/duration.go create mode 100644 vendor/google.golang.org/grpc/internal/transport/logging.go create mode 100644 vendor/google.golang.org/grpc/shared_buffer_pool.go create mode 100644 vendor/google.golang.org/protobuf/reflect/protoreflect/value_equal.go diff --git a/go.mod b/go.mod index 1c7f9655d..697943141 100644 --- a/go.mod +++ b/go.mod @@ -17,7 +17,7 @@ require ( golang.org/x/oauth2 v0.8.0 golang.org/x/sync v0.1.0 golang.org/x/sys v0.8.0 - google.golang.org/grpc v1.51.0 + google.golang.org/grpc v1.57.0 gotest.tools/v3 v3.4.0 k8s.io/apimachinery v0.27.1 k8s.io/klog/v2 v2.90.1 @@ -49,8 +49,8 @@ require ( golang.org/x/text v0.9.0 // indirect golang.org/x/time v0.0.0-20220922220347-f3bd1da661af // indirect google.golang.org/appengine v1.6.7 // indirect - google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21 // indirect - google.golang.org/protobuf v1.28.1 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19 // indirect + google.golang.org/protobuf v1.30.0 // indirect gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect gopkg.in/yaml.v2 v2.4.0 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect diff --git a/go.sum b/go.sum index 06e1e4ff6..9bfc2d401 100644 --- a/go.sum +++ b/go.sum @@ -221,7 +221,6 @@ golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuX golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= -golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE= @@ -253,8 +252,8 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo= google.golang.org/genproto v0.0.0-20201209185603-f92720507ed4/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no= -google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21 h1:hrbNEivu7Zn1pxvHk6MBrq9iE22woVILTHqexqBxe6I= -google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4= +google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19 h1:0nDDozoAU19Qb2HwhXadU8OcsiO/09cnTqhUtq2MEOM= +google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY= @@ -262,10 +261,9 @@ google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0= google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU= -google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk= google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk= -google.golang.org/grpc v1.51.0 h1:E1eGv1FTqoLIdnBCZufiSHgKjlqG6fKFf6pPWtMTh8U= -google.golang.org/grpc v1.51.0/go.mod h1:wgNDFcnuBGmxLKI/qn4T+m5BtEBYXJPvibbUPsAIPww= +google.golang.org/grpc v1.57.0 h1:kfzNeI/klCGD2YPMUlaGNT3pxvYfga7smW3Vth8Zsiw= +google.golang.org/grpc v1.57.0/go.mod h1:Sd+9RMTACXwmub0zcNY2c4arhtrbBYD1AUHI/dt16Mo= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM= @@ -279,9 +277,8 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= -google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= -google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w= -google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= +google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng= +google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= diff --git a/vendor/google.golang.org/genproto/LICENSE b/vendor/google.golang.org/genproto/googleapis/rpc/LICENSE similarity index 100% rename from vendor/google.golang.org/genproto/LICENSE rename to vendor/google.golang.org/genproto/googleapis/rpc/LICENSE diff --git a/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go b/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go index f34a38e4e..a6b508188 100644 --- a/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go +++ b/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go @@ -1,4 +1,4 @@ -// Copyright 2020 Google LLC +// Copyright 2022 Google LLC // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. @@ -15,7 +15,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: // protoc-gen-go v1.26.0 -// protoc v3.12.2 +// protoc v3.21.9 // source: google/rpc/status.proto package status @@ -48,11 +48,13 @@ type Status struct { sizeCache protoimpl.SizeCache unknownFields protoimpl.UnknownFields - // The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code]. + // The status code, which should be an enum value of + // [google.rpc.Code][google.rpc.Code]. Code int32 `protobuf:"varint,1,opt,name=code,proto3" json:"code,omitempty"` // A developer-facing error message, which should be in English. Any // user-facing error message should be localized and sent in the - // [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client. + // [google.rpc.Status.details][google.rpc.Status.details] field, or localized + // by the client. Message string `protobuf:"bytes,2,opt,name=message,proto3" json:"message,omitempty"` // A list of messages that carry the error details. There is a common set of // message types for APIs to use. diff --git a/vendor/google.golang.org/grpc/CONTRIBUTING.md b/vendor/google.golang.org/grpc/CONTRIBUTING.md index 52338d004..608aa6e1a 100644 --- a/vendor/google.golang.org/grpc/CONTRIBUTING.md +++ b/vendor/google.golang.org/grpc/CONTRIBUTING.md @@ -20,6 +20,15 @@ How to get your contributions merged smoothly and quickly. both author's & review's time is wasted. Create more PRs to address different concerns and everyone will be happy. +- If you are searching for features to work on, issues labeled [Status: Help + Wanted](https://github.com/grpc/grpc-go/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3A%22Status%3A+Help+Wanted%22) + is a great place to start. These issues are well-documented and usually can be + resolved with a single pull request. + +- If you are adding a new file, make sure it has the copyright message template + at the top as a comment. You can copy over the message from an existing file + and update the year. + - The grpc package should only depend on standard Go packages and a small number of exceptions. If your contribution introduces new dependencies which are NOT in the [list](https://godoc.org/google.golang.org/grpc?imports), you need a @@ -32,14 +41,18 @@ How to get your contributions merged smoothly and quickly. - Provide a good **PR description** as a record of **what** change is being made and **why** it was made. Link to a github issue if it exists. -- Don't fix code style and formatting unless you are already changing that line - to address an issue. PRs with irrelevant changes won't be merged. If you do - want to fix formatting or style, do that in a separate PR. +- If you want to fix formatting or style, consider whether your changes are an + obvious improvement or might be considered a personal preference. If a style + change is based on preference, it likely will not be accepted. If it corrects + widely agreed-upon anti-patterns, then please do create a PR and explain the + benefits of the change. - Unless your PR is trivial, you should expect there will be reviewer comments - that you'll need to address before merging. We expect you to be reasonably - responsive to those comments, otherwise the PR will be closed after 2-3 weeks - of inactivity. + that you'll need to address before merging. We'll mark it as `Status: Requires + Reporter Clarification` if we expect you to respond to these comments in a + timely manner. If the PR remains inactive for 6 days, it will be marked as + `stale` and automatically close 7 days after that if we don't hear back from + you. - Maintain **clean commit history** and use **meaningful commit messages**. PRs with messy commit history are difficult to review and won't be merged. Use diff --git a/vendor/google.golang.org/grpc/attributes/attributes.go b/vendor/google.golang.org/grpc/attributes/attributes.go index 02f5dc531..49712aca3 100644 --- a/vendor/google.golang.org/grpc/attributes/attributes.go +++ b/vendor/google.golang.org/grpc/attributes/attributes.go @@ -25,6 +25,11 @@ // later release. package attributes +import ( + "fmt" + "strings" +) + // Attributes is an immutable struct for storing and retrieving generic // key/value pairs. Keys must be hashable, and users should define their own // types for keys. Values should not be modified after they are added to an @@ -99,3 +104,39 @@ func (a *Attributes) Equal(o *Attributes) bool { } return true } + +// String prints the attribute map. If any key or values throughout the map +// implement fmt.Stringer, it calls that method and appends. +func (a *Attributes) String() string { + var sb strings.Builder + sb.WriteString("{") + first := true + for k, v := range a.m { + if !first { + sb.WriteString(", ") + } + sb.WriteString(fmt.Sprintf("%q: %q ", str(k), str(v))) + first = false + } + sb.WriteString("}") + return sb.String() +} + +func str(x interface{}) string { + if v, ok := x.(fmt.Stringer); ok { + return v.String() + } else if v, ok := x.(string); ok { + return v + } + return fmt.Sprintf("<%p>", x) +} + +// MarshalJSON helps implement the json.Marshaler interface, thereby rendering +// the Attributes correctly when printing (via pretty.JSON) structs containing +// Attributes as fields. +// +// Is it impossible to unmarshal attributes from a JSON representation and this +// method is meant only for debugging purposes. +func (a *Attributes) MarshalJSON() ([]byte, error) { + return []byte(a.String()), nil +} diff --git a/vendor/google.golang.org/grpc/balancer/balancer.go b/vendor/google.golang.org/grpc/balancer/balancer.go index 392b21fb2..8f00523c0 100644 --- a/vendor/google.golang.org/grpc/balancer/balancer.go +++ b/vendor/google.golang.org/grpc/balancer/balancer.go @@ -279,6 +279,14 @@ type PickResult struct { // type, Done may not be called. May be nil if the balancer does not wish // to be notified when the RPC completes. Done func(DoneInfo) + + // Metadata provides a way for LB policies to inject arbitrary per-call + // metadata. Any metadata returned here will be merged with existing + // metadata added by the client application. + // + // LB policies with child policies are responsible for propagating metadata + // injected by their children to the ClientConn, as part of Pick(). + Metadata metadata.MD } // TransientFailureError returns e. It exists for backward compatibility and diff --git a/vendor/google.golang.org/grpc/balancer_conn_wrappers.go b/vendor/google.golang.org/grpc/balancer_conn_wrappers.go index 0359956d3..04b9ad411 100644 --- a/vendor/google.golang.org/grpc/balancer_conn_wrappers.go +++ b/vendor/google.golang.org/grpc/balancer_conn_wrappers.go @@ -25,14 +25,20 @@ import ( "sync" "google.golang.org/grpc/balancer" - "google.golang.org/grpc/codes" "google.golang.org/grpc/connectivity" "google.golang.org/grpc/internal/balancer/gracefulswitch" - "google.golang.org/grpc/internal/buffer" "google.golang.org/grpc/internal/channelz" "google.golang.org/grpc/internal/grpcsync" "google.golang.org/grpc/resolver" - "google.golang.org/grpc/status" +) + +type ccbMode int + +const ( + ccbModeActive = iota + ccbModeIdle + ccbModeClosed + ccbModeExitingIdle ) // ccBalancerWrapper sits between the ClientConn and the Balancer. @@ -49,192 +55,101 @@ import ( // It uses the gracefulswitch.Balancer internally to ensure that balancer // switches happen in a graceful manner. type ccBalancerWrapper struct { - cc *ClientConn - - // Since these fields are accessed only from handleXxx() methods which are - // synchronized by the watcher goroutine, we do not need a mutex to protect - // these fields. + // The following fields are initialized when the wrapper is created and are + // read-only afterwards, and therefore can be accessed without a mutex. + cc *ClientConn + opts balancer.BuildOptions + + // Outgoing (gRPC --> balancer) calls are guaranteed to execute in a + // mutually exclusive manner as they are scheduled in the serializer. Fields + // accessed *only* in these serializer callbacks, can therefore be accessed + // without a mutex. balancer *gracefulswitch.Balancer curBalancerName string - updateCh *buffer.Unbounded // Updates written on this channel are processed by watcher(). - resultCh *buffer.Unbounded // Results of calls to UpdateClientConnState() are pushed here. - closed *grpcsync.Event // Indicates if close has been called. - done *grpcsync.Event // Indicates if close has completed its work. + // mu guards access to the below fields. Access to the serializer and its + // cancel function needs to be mutex protected because they are overwritten + // when the wrapper exits idle mode. + mu sync.Mutex + serializer *grpcsync.CallbackSerializer // To serialize all outoing calls. + serializerCancel context.CancelFunc // To close the seralizer at close/enterIdle time. + mode ccbMode // Tracks the current mode of the wrapper. } // newCCBalancerWrapper creates a new balancer wrapper. The underlying balancer // is not created until the switchTo() method is invoked. func newCCBalancerWrapper(cc *ClientConn, bopts balancer.BuildOptions) *ccBalancerWrapper { + ctx, cancel := context.WithCancel(context.Background()) ccb := &ccBalancerWrapper{ - cc: cc, - updateCh: buffer.NewUnbounded(), - resultCh: buffer.NewUnbounded(), - closed: grpcsync.NewEvent(), - done: grpcsync.NewEvent(), + cc: cc, + opts: bopts, + serializer: grpcsync.NewCallbackSerializer(ctx), + serializerCancel: cancel, } - go ccb.watcher() ccb.balancer = gracefulswitch.NewBalancer(ccb, bopts) return ccb } -// The following xxxUpdate structs wrap the arguments received as part of the -// corresponding update. The watcher goroutine uses the 'type' of the update to -// invoke the appropriate handler routine to handle the update. - -type ccStateUpdate struct { - ccs *balancer.ClientConnState -} - -type scStateUpdate struct { - sc balancer.SubConn - state connectivity.State - err error -} - -type exitIdleUpdate struct{} - -type resolverErrorUpdate struct { - err error -} - -type switchToUpdate struct { - name string -} - -type subConnUpdate struct { - acbw *acBalancerWrapper -} - -// watcher is a long-running goroutine which reads updates from a channel and -// invokes corresponding methods on the underlying balancer. It ensures that -// these methods are invoked in a synchronous fashion. It also ensures that -// these methods are invoked in the order in which the updates were received. -func (ccb *ccBalancerWrapper) watcher() { - for { - select { - case u := <-ccb.updateCh.Get(): - ccb.updateCh.Load() - if ccb.closed.HasFired() { - break - } - switch update := u.(type) { - case *ccStateUpdate: - ccb.handleClientConnStateChange(update.ccs) - case *scStateUpdate: - ccb.handleSubConnStateChange(update) - case *exitIdleUpdate: - ccb.handleExitIdle() - case *resolverErrorUpdate: - ccb.handleResolverError(update.err) - case *switchToUpdate: - ccb.handleSwitchTo(update.name) - case *subConnUpdate: - ccb.handleRemoveSubConn(update.acbw) - default: - logger.Errorf("ccBalancerWrapper.watcher: unknown update %+v, type %T", update, update) - } - case <-ccb.closed.Done(): - } - - if ccb.closed.HasFired() { - ccb.handleClose() - return - } - } -} - // updateClientConnState is invoked by grpc to push a ClientConnState update to // the underlying balancer. -// -// Unlike other methods invoked by grpc to push updates to the underlying -// balancer, this method cannot simply push the update onto the update channel -// and return. It needs to return the error returned by the underlying balancer -// back to grpc which propagates that to the resolver. func (ccb *ccBalancerWrapper) updateClientConnState(ccs *balancer.ClientConnState) error { - ccb.updateCh.Put(&ccStateUpdate{ccs: ccs}) - - var res interface{} - select { - case res = <-ccb.resultCh.Get(): - ccb.resultCh.Load() - case <-ccb.closed.Done(): - // Return early if the balancer wrapper is closed while we are waiting for - // the underlying balancer to process a ClientConnState update. - return nil - } - // If the returned error is nil, attempting to type assert to error leads to - // panic. So, this needs to handled separately. - if res == nil { - return nil - } - return res.(error) -} - -// handleClientConnStateChange handles a ClientConnState update from the update -// channel and invokes the appropriate method on the underlying balancer. -// -// If the addresses specified in the update contain addresses of type "grpclb" -// and the selected LB policy is not "grpclb", these addresses will be filtered -// out and ccs will be modified with the updated address list. -func (ccb *ccBalancerWrapper) handleClientConnStateChange(ccs *balancer.ClientConnState) { - if ccb.curBalancerName != grpclbName { - // Filter any grpclb addresses since we don't have the grpclb balancer. - var addrs []resolver.Address - for _, addr := range ccs.ResolverState.Addresses { - if addr.Type == resolver.GRPCLB { - continue + ccb.mu.Lock() + errCh := make(chan error, 1) + // Here and everywhere else where Schedule() is called, it is done with the + // lock held. But the lock guards only the scheduling part. The actual + // callback is called asynchronously without the lock being held. + ok := ccb.serializer.Schedule(func(_ context.Context) { + // If the addresses specified in the update contain addresses of type + // "grpclb" and the selected LB policy is not "grpclb", these addresses + // will be filtered out and ccs will be modified with the updated + // address list. + if ccb.curBalancerName != grpclbName { + var addrs []resolver.Address + for _, addr := range ccs.ResolverState.Addresses { + if addr.Type == resolver.GRPCLB { + continue + } + addrs = append(addrs, addr) } - addrs = append(addrs, addr) + ccs.ResolverState.Addresses = addrs } - ccs.ResolverState.Addresses = addrs + errCh <- ccb.balancer.UpdateClientConnState(*ccs) + }) + if !ok { + // If we are unable to schedule a function with the serializer, it + // indicates that it has been closed. A serializer is only closed when + // the wrapper is closed or is in idle. + ccb.mu.Unlock() + return fmt.Errorf("grpc: cannot send state update to a closed or idle balancer") } - ccb.resultCh.Put(ccb.balancer.UpdateClientConnState(*ccs)) + ccb.mu.Unlock() + + // We get here only if the above call to Schedule succeeds, in which case it + // is guaranteed that the scheduled function will run. Therefore it is safe + // to block on this channel. + err := <-errCh + if logger.V(2) && err != nil { + logger.Infof("error from balancer.UpdateClientConnState: %v", err) + } + return err } // updateSubConnState is invoked by grpc to push a subConn state update to the // underlying balancer. func (ccb *ccBalancerWrapper) updateSubConnState(sc balancer.SubConn, s connectivity.State, err error) { - // When updating addresses for a SubConn, if the address in use is not in - // the new addresses, the old ac will be tearDown() and a new ac will be - // created. tearDown() generates a state change with Shutdown state, we - // don't want the balancer to receive this state change. So before - // tearDown() on the old ac, ac.acbw (acWrapper) will be set to nil, and - // this function will be called with (nil, Shutdown). We don't need to call - // balancer method in this case. - if sc == nil { - return - } - ccb.updateCh.Put(&scStateUpdate{ - sc: sc, - state: s, - err: err, + ccb.mu.Lock() + ccb.serializer.Schedule(func(_ context.Context) { + ccb.balancer.UpdateSubConnState(sc, balancer.SubConnState{ConnectivityState: s, ConnectionError: err}) }) -} - -// handleSubConnStateChange handles a SubConnState update from the update -// channel and invokes the appropriate method on the underlying balancer. -func (ccb *ccBalancerWrapper) handleSubConnStateChange(update *scStateUpdate) { - ccb.balancer.UpdateSubConnState(update.sc, balancer.SubConnState{ConnectivityState: update.state, ConnectionError: update.err}) -} - -func (ccb *ccBalancerWrapper) exitIdle() { - ccb.updateCh.Put(&exitIdleUpdate{}) -} - -func (ccb *ccBalancerWrapper) handleExitIdle() { - if ccb.cc.GetState() != connectivity.Idle { - return - } - ccb.balancer.ExitIdle() + ccb.mu.Unlock() } func (ccb *ccBalancerWrapper) resolverError(err error) { - ccb.updateCh.Put(&resolverErrorUpdate{err: err}) -} - -func (ccb *ccBalancerWrapper) handleResolverError(err error) { - ccb.balancer.ResolverError(err) + ccb.mu.Lock() + ccb.serializer.Schedule(func(_ context.Context) { + ccb.balancer.ResolverError(err) + }) + ccb.mu.Unlock() } // switchTo is invoked by grpc to instruct the balancer wrapper to switch to the @@ -248,24 +163,27 @@ func (ccb *ccBalancerWrapper) handleResolverError(err error) { // the ccBalancerWrapper keeps track of the current LB policy name, and skips // the graceful balancer switching process if the name does not change. func (ccb *ccBalancerWrapper) switchTo(name string) { - ccb.updateCh.Put(&switchToUpdate{name: name}) + ccb.mu.Lock() + ccb.serializer.Schedule(func(_ context.Context) { + // TODO: Other languages use case-sensitive balancer registries. We should + // switch as well. See: https://github.com/grpc/grpc-go/issues/5288. + if strings.EqualFold(ccb.curBalancerName, name) { + return + } + ccb.buildLoadBalancingPolicy(name) + }) + ccb.mu.Unlock() } -// handleSwitchTo handles a balancer switch update from the update channel. It -// calls the SwitchTo() method on the gracefulswitch.Balancer with a -// balancer.Builder corresponding to name. If no balancer.Builder is registered -// for the given name, it uses the default LB policy which is "pick_first". -func (ccb *ccBalancerWrapper) handleSwitchTo(name string) { - // TODO: Other languages use case-insensitive balancer registries. We should - // switch as well. See: https://github.com/grpc/grpc-go/issues/5288. - if strings.EqualFold(ccb.curBalancerName, name) { - return - } - - // TODO: Ensure that name is a registered LB policy when we get here. - // We currently only validate the `loadBalancingConfig` field. We need to do - // the same for the `loadBalancingPolicy` field and reject the service config - // if the specified policy is not registered. +// buildLoadBalancingPolicy performs the following: +// - retrieve a balancer builder for the given name. Use the default LB +// policy, pick_first, if no LB policy with name is found in the registry. +// - instruct the gracefulswitch balancer to switch to the above builder. This +// will actually build the new balancer. +// - update the `curBalancerName` field +// +// Must be called from a serializer callback. +func (ccb *ccBalancerWrapper) buildLoadBalancingPolicy(name string) { builder := balancer.Get(name) if builder == nil { channelz.Warningf(logger, ccb.cc.channelzID, "Channel switches to new LB policy %q, since the specified LB policy %q was not registered", PickFirstBalancerName, name) @@ -281,26 +199,114 @@ func (ccb *ccBalancerWrapper) handleSwitchTo(name string) { ccb.curBalancerName = builder.Name() } -// handleRemoveSucConn handles a request from the underlying balancer to remove -// a subConn. -// -// See comments in RemoveSubConn() for more details. -func (ccb *ccBalancerWrapper) handleRemoveSubConn(acbw *acBalancerWrapper) { - ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain) +func (ccb *ccBalancerWrapper) close() { + channelz.Info(logger, ccb.cc.channelzID, "ccBalancerWrapper: closing") + ccb.closeBalancer(ccbModeClosed) } -func (ccb *ccBalancerWrapper) close() { - ccb.closed.Fire() - <-ccb.done.Done() +// enterIdleMode is invoked by grpc when the channel enters idle mode upon +// expiry of idle_timeout. This call blocks until the balancer is closed. +func (ccb *ccBalancerWrapper) enterIdleMode() { + channelz.Info(logger, ccb.cc.channelzID, "ccBalancerWrapper: entering idle mode") + ccb.closeBalancer(ccbModeIdle) +} + +// closeBalancer is invoked when the channel is being closed or when it enters +// idle mode upon expiry of idle_timeout. +func (ccb *ccBalancerWrapper) closeBalancer(m ccbMode) { + ccb.mu.Lock() + if ccb.mode == ccbModeClosed || ccb.mode == ccbModeIdle { + ccb.mu.Unlock() + return + } + + ccb.mode = m + done := ccb.serializer.Done + b := ccb.balancer + ok := ccb.serializer.Schedule(func(_ context.Context) { + // Close the serializer to ensure that no more calls from gRPC are sent + // to the balancer. + ccb.serializerCancel() + // Empty the current balancer name because we don't have a balancer + // anymore and also so that we act on the next call to switchTo by + // creating a new balancer specified by the new resolver. + ccb.curBalancerName = "" + }) + if !ok { + ccb.mu.Unlock() + return + } + ccb.mu.Unlock() + + // Give enqueued callbacks a chance to finish. + <-done + // Spawn a goroutine to close the balancer (since it may block trying to + // cleanup all allocated resources) and return early. + go b.Close() } -func (ccb *ccBalancerWrapper) handleClose() { - ccb.balancer.Close() - ccb.done.Fire() +// exitIdleMode is invoked by grpc when the channel exits idle mode either +// because of an RPC or because of an invocation of the Connect() API. This +// recreates the balancer that was closed previously when entering idle mode. +// +// If the channel is not in idle mode, we know for a fact that we are here as a +// result of the user calling the Connect() method on the ClientConn. In this +// case, we can simply forward the call to the underlying balancer, instructing +// it to reconnect to the backends. +func (ccb *ccBalancerWrapper) exitIdleMode() { + ccb.mu.Lock() + if ccb.mode == ccbModeClosed { + // Request to exit idle is a no-op when wrapper is already closed. + ccb.mu.Unlock() + return + } + + if ccb.mode == ccbModeIdle { + // Recreate the serializer which was closed when we entered idle. + ctx, cancel := context.WithCancel(context.Background()) + ccb.serializer = grpcsync.NewCallbackSerializer(ctx) + ccb.serializerCancel = cancel + } + + // The ClientConn guarantees that mutual exclusion between close() and + // exitIdleMode(), and since we just created a new serializer, we can be + // sure that the below function will be scheduled. + done := make(chan struct{}) + ccb.serializer.Schedule(func(_ context.Context) { + defer close(done) + + ccb.mu.Lock() + defer ccb.mu.Unlock() + + if ccb.mode != ccbModeIdle { + ccb.balancer.ExitIdle() + return + } + + // Gracefulswitch balancer does not support a switchTo operation after + // being closed. Hence we need to create a new one here. + ccb.balancer = gracefulswitch.NewBalancer(ccb, ccb.opts) + ccb.mode = ccbModeActive + channelz.Info(logger, ccb.cc.channelzID, "ccBalancerWrapper: exiting idle mode") + + }) + ccb.mu.Unlock() + + <-done +} + +func (ccb *ccBalancerWrapper) isIdleOrClosed() bool { + ccb.mu.Lock() + defer ccb.mu.Unlock() + return ccb.mode == ccbModeIdle || ccb.mode == ccbModeClosed } func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer.NewSubConnOptions) (balancer.SubConn, error) { - if len(addrs) <= 0 { + if ccb.isIdleOrClosed() { + return nil, fmt.Errorf("grpc: cannot create SubConn when balancer is closed or idle") + } + + if len(addrs) == 0 { return nil, fmt.Errorf("grpc: cannot create SubConn with empty address list") } ac, err := ccb.cc.newAddrConn(addrs, opts) @@ -309,31 +315,35 @@ func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer return nil, err } acbw := &acBalancerWrapper{ac: ac, producers: make(map[balancer.ProducerBuilder]*refCountedProducer)} - acbw.ac.mu.Lock() ac.acbw = acbw - acbw.ac.mu.Unlock() return acbw, nil } func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) { - // Before we switched the ccBalancerWrapper to use gracefulswitch.Balancer, it - // was required to handle the RemoveSubConn() method asynchronously by pushing - // the update onto the update channel. This was done to avoid a deadlock as - // switchBalancer() was holding cc.mu when calling Close() on the old - // balancer, which would in turn call RemoveSubConn(). - // - // With the use of gracefulswitch.Balancer in ccBalancerWrapper, handling this - // asynchronously is probably not required anymore since the switchTo() method - // handles the balancer switch by pushing the update onto the channel. - // TODO(easwars): Handle this inline. + if ccb.isIdleOrClosed() { + // It it safe to ignore this call when the balancer is closed or in idle + // because the ClientConn takes care of closing the connections. + // + // Not returning early from here when the balancer is closed or in idle + // leads to a deadlock though, because of the following sequence of + // calls when holding cc.mu: + // cc.exitIdleMode --> ccb.enterIdleMode --> gsw.Close --> + // ccb.RemoveAddrConn --> cc.removeAddrConn + return + } + acbw, ok := sc.(*acBalancerWrapper) if !ok { return } - ccb.updateCh.Put(&subConnUpdate{acbw: acbw}) + ccb.cc.removeAddrConn(acbw.ac, errConnDrain) } func (ccb *ccBalancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver.Address) { + if ccb.isIdleOrClosed() { + return + } + acbw, ok := sc.(*acBalancerWrapper) if !ok { return @@ -342,6 +352,10 @@ func (ccb *ccBalancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resol } func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) { + if ccb.isIdleOrClosed() { + return + } + // Update picker before updating state. Even though the ordering here does // not matter, it can lead to multiple calls of Pick in the common start-up // case where we wait for ready and then perform an RPC. If the picker is @@ -352,6 +366,10 @@ func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) { } func (ccb *ccBalancerWrapper) ResolveNow(o resolver.ResolveNowOptions) { + if ccb.isIdleOrClosed() { + return + } + ccb.cc.resolveNow(o) } @@ -362,71 +380,31 @@ func (ccb *ccBalancerWrapper) Target() string { // acBalancerWrapper is a wrapper on top of ac for balancers. // It implements balancer.SubConn interface. type acBalancerWrapper struct { + ac *addrConn // read-only + mu sync.Mutex - ac *addrConn producers map[balancer.ProducerBuilder]*refCountedProducer } -func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) { - acbw.mu.Lock() - defer acbw.mu.Unlock() - if len(addrs) <= 0 { - acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain) - return - } - if !acbw.ac.tryUpdateAddrs(addrs) { - cc := acbw.ac.cc - opts := acbw.ac.scopts - acbw.ac.mu.Lock() - // Set old ac.acbw to nil so the Shutdown state update will be ignored - // by balancer. - // - // TODO(bar) the state transition could be wrong when tearDown() old ac - // and creating new ac, fix the transition. - acbw.ac.acbw = nil - acbw.ac.mu.Unlock() - acState := acbw.ac.getState() - acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain) - - if acState == connectivity.Shutdown { - return - } +func (acbw *acBalancerWrapper) String() string { + return fmt.Sprintf("SubConn(id:%d)", acbw.ac.channelzID.Int()) +} - newAC, err := cc.newAddrConn(addrs, opts) - if err != nil { - channelz.Warningf(logger, acbw.ac.channelzID, "acBalancerWrapper: UpdateAddresses: failed to newAddrConn: %v", err) - return - } - acbw.ac = newAC - newAC.mu.Lock() - newAC.acbw = acbw - newAC.mu.Unlock() - if acState != connectivity.Idle { - go newAC.connect() - } - } +func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) { + acbw.ac.updateAddrs(addrs) } func (acbw *acBalancerWrapper) Connect() { - acbw.mu.Lock() - defer acbw.mu.Unlock() go acbw.ac.connect() } -func (acbw *acBalancerWrapper) getAddrConn() *addrConn { - acbw.mu.Lock() - defer acbw.mu.Unlock() - return acbw.ac -} - -var errSubConnNotReady = status.Error(codes.Unavailable, "SubConn not currently connected") - // NewStream begins a streaming RPC on the addrConn. If the addrConn is not -// ready, returns errSubConnNotReady. +// ready, blocks until it is or ctx expires. Returns an error when the context +// expires or the addrConn is shut down. func (acbw *acBalancerWrapper) NewStream(ctx context.Context, desc *StreamDesc, method string, opts ...CallOption) (ClientStream, error) { - transport := acbw.ac.getReadyTransport() - if transport == nil { - return nil, errSubConnNotReady + transport, err := acbw.ac.getTransport(ctx) + if err != nil { + return nil, err } return newNonRetryClientStream(ctx, desc, method, transport, acbw.ac, opts...) } diff --git a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go index 64a232f28..ec2c2fa14 100644 --- a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go +++ b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go @@ -18,14 +18,13 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: -// protoc-gen-go v1.25.0 -// protoc v3.14.0 +// protoc-gen-go v1.30.0 +// protoc v4.22.0 // source: grpc/binlog/v1/binarylog.proto package grpc_binarylog_v1 import ( - proto "github.com/golang/protobuf/proto" protoreflect "google.golang.org/protobuf/reflect/protoreflect" protoimpl "google.golang.org/protobuf/runtime/protoimpl" durationpb "google.golang.org/protobuf/types/known/durationpb" @@ -41,10 +40,6 @@ const ( _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) ) -// This is a compile-time assertion that a sufficiently up-to-date version -// of the legacy proto package is being used. -const _ = proto.ProtoPackageIsVersion4 - // Enumerates the type of event // Note the terminology is different from the RPC semantics // definition, but the same meaning is expressed here. diff --git a/vendor/google.golang.org/grpc/call.go b/vendor/google.golang.org/grpc/call.go index 9e20e4d38..e6a1dc5d7 100644 --- a/vendor/google.golang.org/grpc/call.go +++ b/vendor/google.golang.org/grpc/call.go @@ -27,6 +27,11 @@ import ( // // All errors returned by Invoke are compatible with the status package. func (cc *ClientConn) Invoke(ctx context.Context, method string, args, reply interface{}, opts ...CallOption) error { + if err := cc.idlenessMgr.onCallBegin(); err != nil { + return err + } + defer cc.idlenessMgr.onCallEnd() + // allow interceptor to see all applicable call options, which means those // configured as defaults from dial option as well as per-call options opts = combine(cc.dopts.callOptions, opts) diff --git a/vendor/google.golang.org/grpc/clientconn.go b/vendor/google.golang.org/grpc/clientconn.go index 422639c79..bfd7555a8 100644 --- a/vendor/google.golang.org/grpc/clientconn.go +++ b/vendor/google.golang.org/grpc/clientconn.go @@ -24,7 +24,6 @@ import ( "fmt" "math" "net/url" - "reflect" "strings" "sync" "sync/atomic" @@ -38,6 +37,7 @@ import ( "google.golang.org/grpc/internal/backoff" "google.golang.org/grpc/internal/channelz" "google.golang.org/grpc/internal/grpcsync" + "google.golang.org/grpc/internal/pretty" iresolver "google.golang.org/grpc/internal/resolver" "google.golang.org/grpc/internal/transport" "google.golang.org/grpc/keepalive" @@ -69,6 +69,9 @@ var ( errConnDrain = errors.New("grpc: the connection is drained") // errConnClosing indicates that the connection is closing. errConnClosing = errors.New("grpc: the connection is closing") + // errConnIdling indicates the the connection is being closed as the channel + // is moving to an idle mode due to inactivity. + errConnIdling = errors.New("grpc: the connection is closing due to channel idleness") // invalidDefaultServiceConfigErrPrefix is used to prefix the json parsing error for the default // service config. invalidDefaultServiceConfigErrPrefix = "grpc: the provided default service config is invalid" @@ -134,20 +137,42 @@ func (dcs *defaultConfigSelector) SelectConfig(rpcInfo iresolver.RPCInfo) (*ires // e.g. to use dns resolver, a "dns:///" prefix should be applied to the target. func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *ClientConn, err error) { cc := &ClientConn{ - target: target, - csMgr: &connectivityStateManager{}, - conns: make(map[*addrConn]struct{}), - dopts: defaultDialOptions(), - blockingpicker: newPickerWrapper(), - czData: new(channelzData), - firstResolveEvent: grpcsync.NewEvent(), - } + target: target, + csMgr: &connectivityStateManager{}, + conns: make(map[*addrConn]struct{}), + dopts: defaultDialOptions(), + czData: new(channelzData), + } + + // We start the channel off in idle mode, but kick it out of idle at the end + // of this method, instead of waiting for the first RPC. Other gRPC + // implementations do wait for the first RPC to kick the channel out of + // idle. But doing so would be a major behavior change for our users who are + // used to seeing the channel active after Dial. + // + // Taking this approach of kicking it out of idle at the end of this method + // allows us to share the code between channel creation and exiting idle + // mode. This will also make it easy for us to switch to starting the + // channel off in idle, if at all we ever get to do that. + cc.idlenessState = ccIdlenessStateIdle + cc.retryThrottler.Store((*retryThrottler)(nil)) cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{nil}) cc.ctx, cc.cancel = context.WithCancel(context.Background()) + cc.exitIdleCond = sync.NewCond(&cc.mu) - for _, opt := range extraDialOptions { - opt.apply(&cc.dopts) + disableGlobalOpts := false + for _, opt := range opts { + if _, ok := opt.(*disableGlobalDialOptions); ok { + disableGlobalOpts = true + break + } + } + + if !disableGlobalOpts { + for _, opt := range globalDialOptions { + opt.apply(&cc.dopts) + } } for _, opt := range opts { @@ -163,40 +188,11 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn * } }() - pid := cc.dopts.channelzParentID - cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, pid, target) - ted := &channelz.TraceEventDesc{ - Desc: "Channel created", - Severity: channelz.CtInfo, - } - if cc.dopts.channelzParentID != nil { - ted.Parent = &channelz.TraceEventDesc{ - Desc: fmt.Sprintf("Nested Channel(id:%d) created", cc.channelzID.Int()), - Severity: channelz.CtInfo, - } - } - channelz.AddTraceEvent(logger, cc.channelzID, 1, ted) - cc.csMgr.channelzID = cc.channelzID + // Register ClientConn with channelz. + cc.channelzRegistration(target) - if cc.dopts.copts.TransportCredentials == nil && cc.dopts.copts.CredsBundle == nil { - return nil, errNoTransportSecurity - } - if cc.dopts.copts.TransportCredentials != nil && cc.dopts.copts.CredsBundle != nil { - return nil, errTransportCredsAndBundle - } - if cc.dopts.copts.CredsBundle != nil && cc.dopts.copts.CredsBundle.TransportCredentials() == nil { - return nil, errNoTransportCredsInBundle - } - transportCreds := cc.dopts.copts.TransportCredentials - if transportCreds == nil { - transportCreds = cc.dopts.copts.CredsBundle.TransportCredentials() - } - if transportCreds.Info().SecurityProtocol == "insecure" { - for _, cd := range cc.dopts.copts.PerRPCCredentials { - if cd.RequireTransportSecurity() { - return nil, errTransportCredentialsMissing - } - } + if err := cc.validateTransportCredentials(); err != nil { + return nil, err } if cc.dopts.defaultServiceConfigRawJSON != nil { @@ -234,35 +230,19 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn * } }() - scSet := false - if cc.dopts.scChan != nil { - // Try to get an initial service config. - select { - case sc, ok := <-cc.dopts.scChan: - if ok { - cc.sc = &sc - cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{&sc}) - scSet = true - } - default: - } - } if cc.dopts.bs == nil { cc.dopts.bs = backoff.DefaultExponential } // Determine the resolver to use. - resolverBuilder, err := cc.parseTargetAndFindResolver() - if err != nil { + if err := cc.parseTargetAndFindResolver(); err != nil { return nil, err } - cc.authority, err = determineAuthority(cc.parsedTarget.Endpoint, cc.target, cc.dopts) - if err != nil { + if err = cc.determineAuthority(); err != nil { return nil, err } - channelz.Infof(logger, cc.channelzID, "Channel authority set to %q", cc.authority) - if cc.dopts.scChan != nil && !scSet { + if cc.dopts.scChan != nil { // Blocking wait for the initial service config. select { case sc, ok := <-cc.dopts.scChan: @@ -278,57 +258,224 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn * go cc.scWatcher() } + // This creates the name resolver, load balancer, blocking picker etc. + if err := cc.exitIdleMode(); err != nil { + return nil, err + } + + // Configure idleness support with configured idle timeout or default idle + // timeout duration. Idleness can be explicitly disabled by the user, by + // setting the dial option to 0. + cc.idlenessMgr = newIdlenessManager(cc, cc.dopts.idleTimeout) + + // Return early for non-blocking dials. + if !cc.dopts.block { + return cc, nil + } + + // A blocking dial blocks until the clientConn is ready. + for { + s := cc.GetState() + if s == connectivity.Idle { + cc.Connect() + } + if s == connectivity.Ready { + return cc, nil + } else if cc.dopts.copts.FailOnNonTempDialError && s == connectivity.TransientFailure { + if err = cc.connectionError(); err != nil { + terr, ok := err.(interface { + Temporary() bool + }) + if ok && !terr.Temporary() { + return nil, err + } + } + } + if !cc.WaitForStateChange(ctx, s) { + // ctx got timeout or canceled. + if err = cc.connectionError(); err != nil && cc.dopts.returnLastError { + return nil, err + } + return nil, ctx.Err() + } + } +} + +// addTraceEvent is a helper method to add a trace event on the channel. If the +// channel is a nested one, the same event is also added on the parent channel. +func (cc *ClientConn) addTraceEvent(msg string) { + ted := &channelz.TraceEventDesc{ + Desc: fmt.Sprintf("Channel %s", msg), + Severity: channelz.CtInfo, + } + if cc.dopts.channelzParentID != nil { + ted.Parent = &channelz.TraceEventDesc{ + Desc: fmt.Sprintf("Nested channel(id:%d) %s", cc.channelzID.Int(), msg), + Severity: channelz.CtInfo, + } + } + channelz.AddTraceEvent(logger, cc.channelzID, 0, ted) +} + +// exitIdleMode moves the channel out of idle mode by recreating the name +// resolver and load balancer. +func (cc *ClientConn) exitIdleMode() error { + cc.mu.Lock() + if cc.conns == nil { + cc.mu.Unlock() + return errConnClosing + } + if cc.idlenessState != ccIdlenessStateIdle { + cc.mu.Unlock() + logger.Info("ClientConn asked to exit idle mode when not in idle mode") + return nil + } + + defer func() { + // When Close() and exitIdleMode() race against each other, one of the + // following two can happen: + // - Close() wins the race and runs first. exitIdleMode() runs after, and + // sees that the ClientConn is already closed and hence returns early. + // - exitIdleMode() wins the race and runs first and recreates the balancer + // and releases the lock before recreating the resolver. If Close() runs + // in this window, it will wait for exitIdleMode to complete. + // + // We achieve this synchronization using the below condition variable. + cc.mu.Lock() + cc.idlenessState = ccIdlenessStateActive + cc.exitIdleCond.Signal() + cc.mu.Unlock() + }() + + cc.idlenessState = ccIdlenessStateExitingIdle + exitedIdle := false + if cc.blockingpicker == nil { + cc.blockingpicker = newPickerWrapper() + } else { + cc.blockingpicker.exitIdleMode() + exitedIdle = true + } + var credsClone credentials.TransportCredentials if creds := cc.dopts.copts.TransportCredentials; creds != nil { credsClone = creds.Clone() } - cc.balancerWrapper = newCCBalancerWrapper(cc, balancer.BuildOptions{ - DialCreds: credsClone, - CredsBundle: cc.dopts.copts.CredsBundle, - Dialer: cc.dopts.copts.Dialer, - Authority: cc.authority, - CustomUserAgent: cc.dopts.copts.UserAgent, - ChannelzParentID: cc.channelzID, - Target: cc.parsedTarget, - }) + if cc.balancerWrapper == nil { + cc.balancerWrapper = newCCBalancerWrapper(cc, balancer.BuildOptions{ + DialCreds: credsClone, + CredsBundle: cc.dopts.copts.CredsBundle, + Dialer: cc.dopts.copts.Dialer, + Authority: cc.authority, + CustomUserAgent: cc.dopts.copts.UserAgent, + ChannelzParentID: cc.channelzID, + Target: cc.parsedTarget, + }) + } else { + cc.balancerWrapper.exitIdleMode() + } + cc.firstResolveEvent = grpcsync.NewEvent() + cc.mu.Unlock() - // Build the resolver. - rWrapper, err := newCCResolverWrapper(cc, resolverBuilder) - if err != nil { - return nil, fmt.Errorf("failed to build resolver: %v", err) + // This needs to be called without cc.mu because this builds a new resolver + // which might update state or report error inline which needs to be handled + // by cc.updateResolverState() which also grabs cc.mu. + if err := cc.initResolverWrapper(credsClone); err != nil { + return err + } + + if exitedIdle { + cc.addTraceEvent("exiting idle mode") } + return nil +} + +// enterIdleMode puts the channel in idle mode, and as part of it shuts down the +// name resolver, load balancer and any subchannels. +func (cc *ClientConn) enterIdleMode() error { cc.mu.Lock() - cc.resolverWrapper = rWrapper + if cc.conns == nil { + cc.mu.Unlock() + return ErrClientConnClosing + } + if cc.idlenessState != ccIdlenessStateActive { + logger.Error("ClientConn asked to enter idle mode when not active") + return nil + } + + // cc.conns == nil is a proxy for the ClientConn being closed. So, instead + // of setting it to nil here, we recreate the map. This also means that we + // don't have to do this when exiting idle mode. + conns := cc.conns + cc.conns = make(map[*addrConn]struct{}) + + // TODO: Currently, we close the resolver wrapper upon entering idle mode + // and create a new one upon exiting idle mode. This means that the + // `cc.resolverWrapper` field would be overwritten everytime we exit idle + // mode. While this means that we need to hold `cc.mu` when accessing + // `cc.resolverWrapper`, it makes the code simpler in the wrapper. We should + // try to do the same for the balancer and picker wrappers too. + cc.resolverWrapper.close() + cc.blockingpicker.enterIdleMode() + cc.balancerWrapper.enterIdleMode() + cc.csMgr.updateState(connectivity.Idle) + cc.idlenessState = ccIdlenessStateIdle cc.mu.Unlock() - // A blocking dial blocks until the clientConn is ready. - if cc.dopts.block { - for { - cc.Connect() - s := cc.GetState() - if s == connectivity.Ready { - break - } else if cc.dopts.copts.FailOnNonTempDialError && s == connectivity.TransientFailure { - if err = cc.connectionError(); err != nil { - terr, ok := err.(interface { - Temporary() bool - }) - if ok && !terr.Temporary() { - return nil, err - } - } - } - if !cc.WaitForStateChange(ctx, s) { - // ctx got timeout or canceled. - if err = cc.connectionError(); err != nil && cc.dopts.returnLastError { - return nil, err - } - return nil, ctx.Err() + go func() { + cc.addTraceEvent("entering idle mode") + for ac := range conns { + ac.tearDown(errConnIdling) + } + }() + return nil +} + +// validateTransportCredentials performs a series of checks on the configured +// transport credentials. It returns a non-nil error if any of these conditions +// are met: +// - no transport creds and no creds bundle is configured +// - both transport creds and creds bundle are configured +// - creds bundle is configured, but it lacks a transport credentials +// - insecure transport creds configured alongside call creds that require +// transport level security +// +// If none of the above conditions are met, the configured credentials are +// deemed valid and a nil error is returned. +func (cc *ClientConn) validateTransportCredentials() error { + if cc.dopts.copts.TransportCredentials == nil && cc.dopts.copts.CredsBundle == nil { + return errNoTransportSecurity + } + if cc.dopts.copts.TransportCredentials != nil && cc.dopts.copts.CredsBundle != nil { + return errTransportCredsAndBundle + } + if cc.dopts.copts.CredsBundle != nil && cc.dopts.copts.CredsBundle.TransportCredentials() == nil { + return errNoTransportCredsInBundle + } + transportCreds := cc.dopts.copts.TransportCredentials + if transportCreds == nil { + transportCreds = cc.dopts.copts.CredsBundle.TransportCredentials() + } + if transportCreds.Info().SecurityProtocol == "insecure" { + for _, cd := range cc.dopts.copts.PerRPCCredentials { + if cd.RequireTransportSecurity() { + return errTransportCredentialsMissing } } } + return nil +} - return cc, nil +// channelzRegistration registers the newly created ClientConn with channelz and +// stores the returned identifier in `cc.channelzID` and `cc.csMgr.channelzID`. +// A channelz trace event is emitted for ClientConn creation. If the newly +// created ClientConn is a nested one, i.e a valid parent ClientConn ID is +// specified via a dial option, the trace event is also added to the parent. +// +// Doesn't grab cc.mu as this method is expected to be called only at Dial time. +func (cc *ClientConn) channelzRegistration(target string) { + cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, cc.dopts.channelzParentID, target) + cc.addTraceEvent("created") + cc.csMgr.channelzID = cc.channelzID } // chainUnaryClientInterceptors chains all unary client interceptors into one. @@ -474,7 +621,9 @@ type ClientConn struct { authority string // See determineAuthority(). dopts dialOptions // Default and user specified dial options. channelzID *channelz.Identifier // Channelz identifier for the channel. + resolverBuilder resolver.Builder // See parseTargetAndFindResolver(). balancerWrapper *ccBalancerWrapper // Uses gracefulswitch.balancer underneath. + idlenessMgr idlenessManager // The following provide their own synchronization, and therefore don't // require cc.mu to be held to access them. @@ -495,11 +644,31 @@ type ClientConn struct { sc *ServiceConfig // Latest service config received from the resolver. conns map[*addrConn]struct{} // Set to nil on close. mkp keepalive.ClientParameters // May be updated upon receipt of a GoAway. + idlenessState ccIdlenessState // Tracks idleness state of the channel. + exitIdleCond *sync.Cond // Signalled when channel exits idle. lceMu sync.Mutex // protects lastConnectionError lastConnectionError error } +// ccIdlenessState tracks the idleness state of the channel. +// +// Channels start off in `active` and move to `idle` after a period of +// inactivity. When moving back to `active` upon an incoming RPC, they +// transition through `exiting_idle`. This state is useful for synchronization +// with Close(). +// +// This state tracking is mostly for self-protection. The idlenessManager is +// expected to keep track of the state as well, and is expected not to call into +// the ClientConn unnecessarily. +type ccIdlenessState int8 + +const ( + ccIdlenessStateActive ccIdlenessState = iota + ccIdlenessStateIdle + ccIdlenessStateExitingIdle +) + // WaitForStateChange waits until the connectivity.State of ClientConn changes from sourceState or // ctx expires. A true value is returned in former case and false in latter. // @@ -539,7 +708,10 @@ func (cc *ClientConn) GetState() connectivity.State { // Notice: This API is EXPERIMENTAL and may be changed or removed in a later // release. func (cc *ClientConn) Connect() { - cc.balancerWrapper.exitIdle() + cc.exitIdleMode() + // If the ClientConn was not in idle mode, we need to call ExitIdle on the + // LB policy so that connections can be created. + cc.balancerWrapper.exitIdleMode() } func (cc *ClientConn) scWatcher() { @@ -696,6 +868,20 @@ func (cc *ClientConn) handleSubConnStateChange(sc balancer.SubConn, s connectivi cc.balancerWrapper.updateSubConnState(sc, s, err) } +// Makes a copy of the input addresses slice and clears out the balancer +// attributes field. Addresses are passed during subconn creation and address +// update operations. In both cases, we will clear the balancer attributes by +// calling this function, and therefore we will be able to use the Equal method +// provided by the resolver.Address type for comparison. +func copyAddressesWithoutBalancerAttributes(in []resolver.Address) []resolver.Address { + out := make([]resolver.Address, len(in)) + for i := range in { + out[i] = in[i] + out[i].BalancerAttributes = nil + } + return out +} + // newAddrConn creates an addrConn for addrs and adds it to cc.conns. // // Caller needs to make sure len(addrs) > 0. @@ -703,11 +889,12 @@ func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSub ac := &addrConn{ state: connectivity.Idle, cc: cc, - addrs: addrs, + addrs: copyAddressesWithoutBalancerAttributes(addrs), scopts: opts, dopts: cc.dopts, czData: new(channelzData), resetBackoff: make(chan struct{}), + stateChan: make(chan struct{}), } ac.ctx, ac.cancel = context.WithCancel(cc.ctx) // Track ac in cc. This needs to be done before any getTransport(...) is called. @@ -788,16 +975,19 @@ func (cc *ClientConn) incrCallsFailed() { func (ac *addrConn) connect() error { ac.mu.Lock() if ac.state == connectivity.Shutdown { + if logger.V(2) { + logger.Infof("connect called on shutdown addrConn; ignoring.") + } ac.mu.Unlock() return errConnClosing } if ac.state != connectivity.Idle { + if logger.V(2) { + logger.Infof("connect called on addrConn in non-idle state (%v); ignoring.", ac.state) + } ac.mu.Unlock() return nil } - // Update connectivity state within the lock to prevent subsequent or - // concurrent calls from resetting the transport more than once. - ac.updateConnectivityState(connectivity.Connecting, nil) ac.mu.Unlock() ac.resetTransport() @@ -816,58 +1006,63 @@ func equalAddresses(a, b []resolver.Address) bool { return true } -// tryUpdateAddrs tries to update ac.addrs with the new addresses list. -// -// If ac is TransientFailure, it updates ac.addrs and returns true. The updated -// addresses will be picked up by retry in the next iteration after backoff. -// -// If ac is Shutdown or Idle, it updates ac.addrs and returns true. -// -// If the addresses is the same as the old list, it does nothing and returns -// true. -// -// If ac is Connecting, it returns false. The caller should tear down the ac and -// create a new one. Note that the backoff will be reset when this happens. -// -// If ac is Ready, it checks whether current connected address of ac is in the -// new addrs list. -// - If true, it updates ac.addrs and returns true. The ac will keep using -// the existing connection. -// - If false, it does nothing and returns false. -func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool { +// updateAddrs updates ac.addrs with the new addresses list and handles active +// connections or connection attempts. +func (ac *addrConn) updateAddrs(addrs []resolver.Address) { ac.mu.Lock() - defer ac.mu.Unlock() - channelz.Infof(logger, ac.channelzID, "addrConn: tryUpdateAddrs curAddr: %v, addrs: %v", ac.curAddr, addrs) + channelz.Infof(logger, ac.channelzID, "addrConn: updateAddrs curAddr: %v, addrs: %v", pretty.ToJSON(ac.curAddr), pretty.ToJSON(addrs)) + + addrs = copyAddressesWithoutBalancerAttributes(addrs) + if equalAddresses(ac.addrs, addrs) { + ac.mu.Unlock() + return + } + + ac.addrs = addrs + if ac.state == connectivity.Shutdown || ac.state == connectivity.TransientFailure || ac.state == connectivity.Idle { - ac.addrs = addrs - return true + // We were not connecting, so do nothing but update the addresses. + ac.mu.Unlock() + return } - if equalAddresses(ac.addrs, addrs) { - return true + if ac.state == connectivity.Ready { + // Try to find the connected address. + for _, a := range addrs { + a.ServerName = ac.cc.getServerName(a) + if a.Equal(ac.curAddr) { + // We are connected to a valid address, so do nothing but + // update the addresses. + ac.mu.Unlock() + return + } + } } - if ac.state == connectivity.Connecting { - return false - } + // We are either connected to the wrong address or currently connecting. + // Stop the current iteration and restart. - // ac.state is Ready, try to find the connected address. - var curAddrFound bool - for _, a := range addrs { - a.ServerName = ac.cc.getServerName(a) - if reflect.DeepEqual(ac.curAddr, a) { - curAddrFound = true - break - } + ac.cancel() + ac.ctx, ac.cancel = context.WithCancel(ac.cc.ctx) + + // We have to defer here because GracefulClose => Close => onClose, which + // requires locking ac.mu. + if ac.transport != nil { + defer ac.transport.GracefulClose() + ac.transport = nil } - channelz.Infof(logger, ac.channelzID, "addrConn: tryUpdateAddrs curAddrFound: %v", curAddrFound) - if curAddrFound { - ac.addrs = addrs + + if len(addrs) == 0 { + ac.updateConnectivityState(connectivity.Idle, nil) } - return curAddrFound + ac.mu.Unlock() + + // Since we were connecting/connected, we should start a new connection + // attempt. + go ac.resetTransport() } // getServerName determines the serverName to be used in the connection @@ -928,7 +1123,7 @@ func (cc *ClientConn) healthCheckConfig() *healthCheckConfig { return cc.sc.healthCheckConfig } -func (cc *ClientConn) getTransport(ctx context.Context, failfast bool, method string) (transport.ClientTransport, func(balancer.DoneInfo), error) { +func (cc *ClientConn) getTransport(ctx context.Context, failfast bool, method string) (transport.ClientTransport, balancer.PickResult, error) { return cc.blockingpicker.pick(ctx, failfast, balancer.PickInfo{ Ctx: ctx, FullMethodName: method, @@ -1020,39 +1215,40 @@ func (cc *ClientConn) Close() error { cc.mu.Unlock() return ErrClientConnClosing } + + for cc.idlenessState == ccIdlenessStateExitingIdle { + cc.exitIdleCond.Wait() + } + conns := cc.conns cc.conns = nil cc.csMgr.updateState(connectivity.Shutdown) + pWrapper := cc.blockingpicker rWrapper := cc.resolverWrapper - cc.resolverWrapper = nil bWrapper := cc.balancerWrapper + idlenessMgr := cc.idlenessMgr cc.mu.Unlock() // The order of closing matters here since the balancer wrapper assumes the // picker is closed before it is closed. - cc.blockingpicker.close() + if pWrapper != nil { + pWrapper.close() + } if bWrapper != nil { bWrapper.close() } if rWrapper != nil { rWrapper.close() } + if idlenessMgr != nil { + idlenessMgr.close() + } for ac := range conns { ac.tearDown(ErrClientConnClosing) } - ted := &channelz.TraceEventDesc{ - Desc: "Channel deleted", - Severity: channelz.CtInfo, - } - if cc.dopts.channelzParentID != nil { - ted.Parent = &channelz.TraceEventDesc{ - Desc: fmt.Sprintf("Nested channel(id:%d) deleted", cc.channelzID.Int()), - Severity: channelz.CtInfo, - } - } - channelz.AddTraceEvent(logger, cc.channelzID, 0, ted) + cc.addTraceEvent("deleted") // TraceEvent needs to be called before RemoveEntry, as TraceEvent may add // trace reference to the entity being deleted, and thus prevent it from being // deleted right away. @@ -1082,7 +1278,8 @@ type addrConn struct { addrs []resolver.Address // All addresses that the resolver resolved to. // Use updateConnectivityState for updating addrConn's connectivity state. - state connectivity.State + state connectivity.State + stateChan chan struct{} // closed and recreated on every state change. backoffIdx int // Needs to be stateful for resetConnectBackoff. resetBackoff chan struct{} @@ -1096,8 +1293,15 @@ func (ac *addrConn) updateConnectivityState(s connectivity.State, lastErr error) if ac.state == s { return } + // When changing states, reset the state change channel. + close(ac.stateChan) + ac.stateChan = make(chan struct{}) ac.state = s - channelz.Infof(logger, ac.channelzID, "Subchannel Connectivity change to %v", s) + if lastErr == nil { + channelz.Infof(logger, ac.channelzID, "Subchannel Connectivity change to %v", s) + } else { + channelz.Infof(logger, ac.channelzID, "Subchannel Connectivity change to %v, last error: %s", s, lastErr) + } ac.cc.handleSubConnStateChange(ac.acbw, s, lastErr) } @@ -1117,7 +1321,8 @@ func (ac *addrConn) adjustParams(r transport.GoAwayReason) { func (ac *addrConn) resetTransport() { ac.mu.Lock() - if ac.state == connectivity.Shutdown { + acCtx := ac.ctx + if acCtx.Err() != nil { ac.mu.Unlock() return } @@ -1145,15 +1350,14 @@ func (ac *addrConn) resetTransport() { ac.updateConnectivityState(connectivity.Connecting, nil) ac.mu.Unlock() - if err := ac.tryAllAddrs(addrs, connectDeadline); err != nil { + if err := ac.tryAllAddrs(acCtx, addrs, connectDeadline); err != nil { ac.cc.resolveNow(resolver.ResolveNowOptions{}) // After exhausting all addresses, the addrConn enters // TRANSIENT_FAILURE. - ac.mu.Lock() - if ac.state == connectivity.Shutdown { - ac.mu.Unlock() + if acCtx.Err() != nil { return } + ac.mu.Lock() ac.updateConnectivityState(connectivity.TransientFailure, err) // Backoff. @@ -1168,13 +1372,13 @@ func (ac *addrConn) resetTransport() { ac.mu.Unlock() case <-b: timer.Stop() - case <-ac.ctx.Done(): + case <-acCtx.Done(): timer.Stop() return } ac.mu.Lock() - if ac.state != connectivity.Shutdown { + if acCtx.Err() == nil { ac.updateConnectivityState(connectivity.Idle, err) } ac.mu.Unlock() @@ -1189,14 +1393,13 @@ func (ac *addrConn) resetTransport() { // tryAllAddrs tries to creates a connection to the addresses, and stop when at // the first successful one. It returns an error if no address was successfully // connected, or updates ac appropriately with the new transport. -func (ac *addrConn) tryAllAddrs(addrs []resolver.Address, connectDeadline time.Time) error { +func (ac *addrConn) tryAllAddrs(ctx context.Context, addrs []resolver.Address, connectDeadline time.Time) error { var firstConnErr error for _, addr := range addrs { - ac.mu.Lock() - if ac.state == connectivity.Shutdown { - ac.mu.Unlock() + if ctx.Err() != nil { return errConnClosing } + ac.mu.Lock() ac.cc.mu.RLock() ac.dopts.copts.KeepaliveParams = ac.cc.mkp @@ -1210,7 +1413,7 @@ func (ac *addrConn) tryAllAddrs(addrs []resolver.Address, connectDeadline time.T channelz.Infof(logger, ac.channelzID, "Subchannel picks a new address %q to connect", addr.Addr) - err := ac.createTransport(addr, copts, connectDeadline) + err := ac.createTransport(ctx, addr, copts, connectDeadline) if err == nil { return nil } @@ -1227,17 +1430,20 @@ func (ac *addrConn) tryAllAddrs(addrs []resolver.Address, connectDeadline time.T // createTransport creates a connection to addr. It returns an error if the // address was not successfully connected, or updates ac appropriately with the // new transport. -func (ac *addrConn) createTransport(addr resolver.Address, copts transport.ConnectOptions, connectDeadline time.Time) error { +func (ac *addrConn) createTransport(ctx context.Context, addr resolver.Address, copts transport.ConnectOptions, connectDeadline time.Time) error { addr.ServerName = ac.cc.getServerName(addr) - hctx, hcancel := context.WithCancel(ac.ctx) + hctx, hcancel := context.WithCancel(ctx) - onClose := grpcsync.OnceFunc(func() { + onClose := func(r transport.GoAwayReason) { ac.mu.Lock() defer ac.mu.Unlock() - if ac.state == connectivity.Shutdown { - // Already shut down. tearDown() already cleared the transport and - // canceled hctx via ac.ctx, and we expected this connection to be - // closed, so do nothing here. + // adjust params based on GoAwayReason + ac.adjustParams(r) + if ctx.Err() != nil { + // Already shut down or connection attempt canceled. tearDown() or + // updateAddrs() already cleared the transport and canceled hctx + // via ac.ctx, and we expected this connection to be closed, so do + // nothing here. return } hcancel() @@ -1254,20 +1460,17 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne // Always go idle and wait for the LB policy to initiate a new // connection attempt. ac.updateConnectivityState(connectivity.Idle, nil) - }) - onGoAway := func(r transport.GoAwayReason) { - ac.mu.Lock() - ac.adjustParams(r) - ac.mu.Unlock() - onClose() } - connectCtx, cancel := context.WithDeadline(ac.ctx, connectDeadline) + connectCtx, cancel := context.WithDeadline(ctx, connectDeadline) defer cancel() copts.ChannelzParentID = ac.channelzID - newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, onGoAway, onClose) + newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, onClose) if err != nil { + if logger.V(2) { + logger.Infof("Creating new client transport to %q: %v", addr, err) + } // newTr is either nil, or closed. hcancel() channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %s. Err: %v", addr, err) @@ -1276,7 +1479,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne ac.mu.Lock() defer ac.mu.Unlock() - if ac.state == connectivity.Shutdown { + if ctx.Err() != nil { // This can happen if the subConn was removed while in `Connecting` // state. tearDown() would have set the state to `Shutdown`, but // would not have closed the transport since ac.transport would not @@ -1288,6 +1491,9 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne // The error we pass to Close() is immaterial since there are no open // streams at this point, so no trailers with error details will be sent // out. We just need to pass a non-nil error. + // + // This can also happen when updateAddrs is called during a connection + // attempt. go newTr.Close(transport.ErrConnClosing) return nil } @@ -1371,7 +1577,7 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) { if status.Code(err) == codes.Unimplemented { channelz.Error(logger, ac.channelzID, "Subchannel health check is unimplemented at server side, thus health check is disabled") } else { - channelz.Errorf(logger, ac.channelzID, "HealthCheckFunc exits with unexpected error %v", err) + channelz.Errorf(logger, ac.channelzID, "Health checking failed: %v", err) } } }() @@ -1395,6 +1601,29 @@ func (ac *addrConn) getReadyTransport() transport.ClientTransport { return nil } +// getTransport waits until the addrconn is ready and returns the transport. +// If the context expires first, returns an appropriate status. If the +// addrConn is stopped first, returns an Unavailable status error. +func (ac *addrConn) getTransport(ctx context.Context) (transport.ClientTransport, error) { + for ctx.Err() == nil { + ac.mu.Lock() + t, state, sc := ac.transport, ac.state, ac.stateChan + ac.mu.Unlock() + if state == connectivity.Ready { + return t, nil + } + if state == connectivity.Shutdown { + return nil, status.Errorf(codes.Unavailable, "SubConn shutting down") + } + + select { + case <-ctx.Done(): + case <-sc: + } + } + return nil, status.FromContextError(ctx.Err()).Err() +} + // tearDown starts to tear down the addrConn. // // Note that tearDown doesn't remove ac from ac.cc.conns, so the addrConn struct @@ -1522,6 +1751,9 @@ func (c *channelzChannel) ChannelzMetric() *channelz.ChannelInternalMetric { // referenced by users. var ErrClientConnTimeout = errors.New("grpc: timed out when dialing") +// getResolver finds the scheme in the cc's resolvers or the global registry. +// scheme should always be lowercase (typically by virtue of url.Parse() +// performing proper RFC3986 behavior). func (cc *ClientConn) getResolver(scheme string) resolver.Builder { for _, rb := range cc.dopts.resolvers { if scheme == rb.Scheme() { @@ -1543,7 +1775,14 @@ func (cc *ClientConn) connectionError() error { return cc.lastConnectionError } -func (cc *ClientConn) parseTargetAndFindResolver() (resolver.Builder, error) { +// parseTargetAndFindResolver parses the user's dial target and stores the +// parsed target in `cc.parsedTarget`. +// +// The resolver to use is determined based on the scheme in the parsed target +// and the same is stored in `cc.resolverBuilder`. +// +// Doesn't grab cc.mu as this method is expected to be called only at Dial time. +func (cc *ClientConn) parseTargetAndFindResolver() error { channelz.Infof(logger, cc.channelzID, "original dial target is: %q", cc.target) var rb resolver.Builder @@ -1555,7 +1794,8 @@ func (cc *ClientConn) parseTargetAndFindResolver() (resolver.Builder, error) { rb = cc.getResolver(parsedTarget.URL.Scheme) if rb != nil { cc.parsedTarget = parsedTarget - return rb, nil + cc.resolverBuilder = rb + return nil } } @@ -1570,51 +1810,98 @@ func (cc *ClientConn) parseTargetAndFindResolver() (resolver.Builder, error) { parsedTarget, err = parseTarget(canonicalTarget) if err != nil { channelz.Infof(logger, cc.channelzID, "dial target %q parse failed: %v", canonicalTarget, err) - return nil, err + return err } channelz.Infof(logger, cc.channelzID, "parsed dial target is: %+v", parsedTarget) rb = cc.getResolver(parsedTarget.URL.Scheme) if rb == nil { - return nil, fmt.Errorf("could not get resolver for default scheme: %q", parsedTarget.URL.Scheme) + return fmt.Errorf("could not get resolver for default scheme: %q", parsedTarget.URL.Scheme) } cc.parsedTarget = parsedTarget - return rb, nil + cc.resolverBuilder = rb + return nil } // parseTarget uses RFC 3986 semantics to parse the given target into a -// resolver.Target struct containing scheme, authority and endpoint. Query -// params are stripped from the endpoint. +// resolver.Target struct containing url. Query params are stripped from the +// endpoint. func parseTarget(target string) (resolver.Target, error) { u, err := url.Parse(target) if err != nil { return resolver.Target{}, err } - // For targets of the form "[scheme]://[authority]/endpoint, the endpoint - // value returned from url.Parse() contains a leading "/". Although this is - // in accordance with RFC 3986, we do not want to break existing resolver - // implementations which expect the endpoint without the leading "/". So, we - // end up stripping the leading "/" here. But this will result in an - // incorrect parsing for something like "unix:///path/to/socket". Since we - // own the "unix" resolver, we can workaround in the unix resolver by using - // the `URL` field instead of the `Endpoint` field. - endpoint := u.Path - if endpoint == "" { - endpoint = u.Opaque - } - endpoint = strings.TrimPrefix(endpoint, "/") - return resolver.Target{ - Scheme: u.Scheme, - Authority: u.Host, - Endpoint: endpoint, - URL: *u, - }, nil + + return resolver.Target{URL: *u}, nil +} + +func encodeAuthority(authority string) string { + const upperhex = "0123456789ABCDEF" + + // Return for characters that must be escaped as per + // Valid chars are mentioned here: + // https://datatracker.ietf.org/doc/html/rfc3986#section-3.2 + shouldEscape := func(c byte) bool { + // Alphanum are always allowed. + if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || '0' <= c && c <= '9' { + return false + } + switch c { + case '-', '_', '.', '~': // Unreserved characters + return false + case '!', '$', '&', '\'', '(', ')', '*', '+', ',', ';', '=': // Subdelim characters + return false + case ':', '[', ']', '@': // Authority related delimeters + return false + } + // Everything else must be escaped. + return true + } + + hexCount := 0 + for i := 0; i < len(authority); i++ { + c := authority[i] + if shouldEscape(c) { + hexCount++ + } + } + + if hexCount == 0 { + return authority + } + + required := len(authority) + 2*hexCount + t := make([]byte, required) + + j := 0 + // This logic is a barebones version of escape in the go net/url library. + for i := 0; i < len(authority); i++ { + switch c := authority[i]; { + case shouldEscape(c): + t[j] = '%' + t[j+1] = upperhex[c>>4] + t[j+2] = upperhex[c&15] + j += 3 + default: + t[j] = authority[i] + j++ + } + } + return string(t) } // Determine channel authority. The order of precedence is as follows: // - user specified authority override using `WithAuthority` dial option // - creds' notion of server name for the authentication handshake // - endpoint from dial target of the form "scheme://[authority]/endpoint" -func determineAuthority(endpoint, target string, dopts dialOptions) (string, error) { +// +// Stores the determined authority in `cc.authority`. +// +// Returns a non-nil error if the authority returned by the transport +// credentials do not match the authority configured through the dial option. +// +// Doesn't grab cc.mu as this method is expected to be called only at Dial time. +func (cc *ClientConn) determineAuthority() error { + dopts := cc.dopts // Historically, we had two options for users to specify the serverName or // authority for a channel. One was through the transport credentials // (either in its constructor, or through the OverrideServerName() method). @@ -1631,25 +1918,62 @@ func determineAuthority(endpoint, target string, dopts dialOptions) (string, err } authorityFromDialOption := dopts.authority if (authorityFromCreds != "" && authorityFromDialOption != "") && authorityFromCreds != authorityFromDialOption { - return "", fmt.Errorf("ClientConn's authority from transport creds %q and dial option %q don't match", authorityFromCreds, authorityFromDialOption) + return fmt.Errorf("ClientConn's authority from transport creds %q and dial option %q don't match", authorityFromCreds, authorityFromDialOption) } + endpoint := cc.parsedTarget.Endpoint() + target := cc.target switch { case authorityFromDialOption != "": - return authorityFromDialOption, nil + cc.authority = authorityFromDialOption case authorityFromCreds != "": - return authorityFromCreds, nil + cc.authority = authorityFromCreds case strings.HasPrefix(target, "unix:") || strings.HasPrefix(target, "unix-abstract:"): // TODO: remove when the unix resolver implements optional interface to // return channel authority. - return "localhost", nil + cc.authority = "localhost" case strings.HasPrefix(endpoint, ":"): - return "localhost" + endpoint, nil + cc.authority = "localhost" + endpoint default: // TODO: Define an optional interface on the resolver builder to return // the channel authority given the user's dial target. For resolvers // which don't implement this interface, we will use the endpoint from // "scheme://authority/endpoint" as the default authority. - return endpoint, nil + // Escape the endpoint to handle use cases where the endpoint + // might not be a valid authority by default. + // For example an endpoint which has multiple paths like + // 'a/b/c', which is not a valid authority by default. + cc.authority = encodeAuthority(endpoint) } + channelz.Infof(logger, cc.channelzID, "Channel authority set to %q", cc.authority) + return nil +} + +// initResolverWrapper creates a ccResolverWrapper, which builds the name +// resolver. This method grabs the lock to assign the newly built resolver +// wrapper to the cc.resolverWrapper field. +func (cc *ClientConn) initResolverWrapper(creds credentials.TransportCredentials) error { + rw, err := newCCResolverWrapper(cc, ccResolverWrapperOpts{ + target: cc.parsedTarget, + builder: cc.resolverBuilder, + bOpts: resolver.BuildOptions{ + DisableServiceConfig: cc.dopts.disableServiceConfig, + DialCreds: creds, + CredsBundle: cc.dopts.copts.CredsBundle, + Dialer: cc.dopts.copts.Dialer, + }, + channelzID: cc.channelzID, + }) + if err != nil { + return fmt.Errorf("failed to build resolver: %v", err) + } + // Resolver implementations may report state update or error inline when + // built (or right after), and this is handled in cc.updateResolverState. + // Also, an error from the resolver might lead to a re-resolution request + // from the balancer, which is handled in resolveNow() where + // `cc.resolverWrapper` is accessed. Hence, we need to hold the lock here. + cc.mu.Lock() + cc.resolverWrapper = rw + cc.mu.Unlock() + return nil } diff --git a/vendor/google.golang.org/grpc/codes/code_string.go b/vendor/google.golang.org/grpc/codes/code_string.go index 0b206a578..934fac2b0 100644 --- a/vendor/google.golang.org/grpc/codes/code_string.go +++ b/vendor/google.golang.org/grpc/codes/code_string.go @@ -18,7 +18,15 @@ package codes -import "strconv" +import ( + "strconv" + + "google.golang.org/grpc/internal" +) + +func init() { + internal.CanonicalString = canonicalString +} func (c Code) String() string { switch c { @@ -60,3 +68,44 @@ func (c Code) String() string { return "Code(" + strconv.FormatInt(int64(c), 10) + ")" } } + +func canonicalString(c Code) string { + switch c { + case OK: + return "OK" + case Canceled: + return "CANCELLED" + case Unknown: + return "UNKNOWN" + case InvalidArgument: + return "INVALID_ARGUMENT" + case DeadlineExceeded: + return "DEADLINE_EXCEEDED" + case NotFound: + return "NOT_FOUND" + case AlreadyExists: + return "ALREADY_EXISTS" + case PermissionDenied: + return "PERMISSION_DENIED" + case ResourceExhausted: + return "RESOURCE_EXHAUSTED" + case FailedPrecondition: + return "FAILED_PRECONDITION" + case Aborted: + return "ABORTED" + case OutOfRange: + return "OUT_OF_RANGE" + case Unimplemented: + return "UNIMPLEMENTED" + case Internal: + return "INTERNAL" + case Unavailable: + return "UNAVAILABLE" + case DataLoss: + return "DATA_LOSS" + case Unauthenticated: + return "UNAUTHENTICATED" + default: + return "CODE(" + strconv.FormatInt(int64(c), 10) + ")" + } +} diff --git a/vendor/google.golang.org/grpc/credentials/tls.go b/vendor/google.golang.org/grpc/credentials/tls.go index ce2bbc10a..877b7cd21 100644 --- a/vendor/google.golang.org/grpc/credentials/tls.go +++ b/vendor/google.golang.org/grpc/credentials/tls.go @@ -23,9 +23,9 @@ import ( "crypto/tls" "crypto/x509" "fmt" - "io/ioutil" "net" "net/url" + "os" credinternal "google.golang.org/grpc/internal/credentials" ) @@ -166,7 +166,7 @@ func NewClientTLSFromCert(cp *x509.CertPool, serverNameOverride string) Transpor // it will override the virtual host name of authority (e.g. :authority header // field) in requests. func NewClientTLSFromFile(certFile, serverNameOverride string) (TransportCredentials, error) { - b, err := ioutil.ReadFile(certFile) + b, err := os.ReadFile(certFile) if err != nil { return nil, err } diff --git a/vendor/google.golang.org/grpc/dialoptions.go b/vendor/google.golang.org/grpc/dialoptions.go index 9372dc322..23ea95237 100644 --- a/vendor/google.golang.org/grpc/dialoptions.go +++ b/vendor/google.golang.org/grpc/dialoptions.go @@ -38,12 +38,14 @@ import ( func init() { internal.AddGlobalDialOptions = func(opt ...DialOption) { - extraDialOptions = append(extraDialOptions, opt...) + globalDialOptions = append(globalDialOptions, opt...) } internal.ClearGlobalDialOptions = func() { - extraDialOptions = nil + globalDialOptions = nil } internal.WithBinaryLogger = withBinaryLogger + internal.JoinDialOptions = newJoinDialOption + internal.DisableGlobalDialOptions = newDisableGlobalDialOptions } // dialOptions configure a Dial call. dialOptions are set by the DialOption @@ -75,6 +77,8 @@ type dialOptions struct { defaultServiceConfig *ServiceConfig // defaultServiceConfig is parsed from defaultServiceConfigRawJSON. defaultServiceConfigRawJSON *string resolvers []resolver.Builder + idleTimeout time.Duration + recvBufferPool SharedBufferPool } // DialOption configures how we set up the connection. @@ -82,7 +86,7 @@ type DialOption interface { apply(*dialOptions) } -var extraDialOptions []DialOption +var globalDialOptions []DialOption // EmptyDialOption does not alter the dial configuration. It can be embedded in // another structure to build custom dial options. @@ -95,6 +99,16 @@ type EmptyDialOption struct{} func (EmptyDialOption) apply(*dialOptions) {} +type disableGlobalDialOptions struct{} + +func (disableGlobalDialOptions) apply(*dialOptions) {} + +// newDisableGlobalDialOptions returns a DialOption that prevents the ClientConn +// from applying the global DialOptions (set via AddGlobalDialOptions). +func newDisableGlobalDialOptions() DialOption { + return &disableGlobalDialOptions{} +} + // funcDialOption wraps a function that modifies dialOptions into an // implementation of the DialOption interface. type funcDialOption struct { @@ -111,13 +125,28 @@ func newFuncDialOption(f func(*dialOptions)) *funcDialOption { } } +type joinDialOption struct { + opts []DialOption +} + +func (jdo *joinDialOption) apply(do *dialOptions) { + for _, opt := range jdo.opts { + opt.apply(do) + } +} + +func newJoinDialOption(opts ...DialOption) DialOption { + return &joinDialOption{opts: opts} +} + // WithWriteBufferSize determines how much data can be batched before doing a // write on the wire. The corresponding memory allocation for this buffer will // be twice the size to keep syscalls low. The default value for this buffer is // 32KB. // -// Zero will disable the write buffer such that each write will be on underlying -// connection. Note: A Send call may not directly translate to a write. +// Zero or negative values will disable the write buffer such that each write +// will be on underlying connection. Note: A Send call may not directly +// translate to a write. func WithWriteBufferSize(s int) DialOption { return newFuncDialOption(func(o *dialOptions) { o.copts.WriteBufferSize = s @@ -127,8 +156,9 @@ func WithWriteBufferSize(s int) DialOption { // WithReadBufferSize lets you set the size of read buffer, this determines how // much data can be read at most for each read syscall. // -// The default value for this buffer is 32KB. Zero will disable read buffer for -// a connection so data framer can access the underlying conn directly. +// The default value for this buffer is 32KB. Zero or negative values will +// disable read buffer for a connection so data framer can access the +// underlying conn directly. func WithReadBufferSize(s int) DialOption { return newFuncDialOption(func(o *dialOptions) { o.copts.ReadBufferSize = s @@ -267,6 +297,9 @@ func withBackoff(bs internalbackoff.Strategy) DialOption { // WithBlock returns a DialOption which makes callers of Dial block until the // underlying connection is up. Without this, Dial returns immediately and // connecting the server happens in background. +// +// Use of this feature is not recommended. For more information, please see: +// https://github.com/grpc/grpc-go/blob/master/Documentation/anti-patterns.md func WithBlock() DialOption { return newFuncDialOption(func(o *dialOptions) { o.block = true @@ -278,6 +311,9 @@ func WithBlock() DialOption { // the context.DeadlineExceeded error. // Implies WithBlock() // +// Use of this feature is not recommended. For more information, please see: +// https://github.com/grpc/grpc-go/blob/master/Documentation/anti-patterns.md +// // # Experimental // // Notice: This API is EXPERIMENTAL and may be changed or removed in a @@ -420,6 +456,9 @@ func withBinaryLogger(bl binarylog.Logger) DialOption { // FailOnNonTempDialError only affects the initial dial, and does not do // anything useful unless you are also using WithBlock(). // +// Use of this feature is not recommended. For more information, please see: +// https://github.com/grpc/grpc-go/blob/master/Documentation/anti-patterns.md +// // # Experimental // // Notice: This API is EXPERIMENTAL and may be changed or removed in a @@ -590,6 +629,7 @@ func defaultDialOptions() dialOptions { ReadBufferSize: defaultReadBufSize, UseProxy: true, }, + recvBufferPool: nopBufferPool{}, } } @@ -618,3 +658,44 @@ func WithResolvers(rs ...resolver.Builder) DialOption { o.resolvers = append(o.resolvers, rs...) }) } + +// WithIdleTimeout returns a DialOption that configures an idle timeout for the +// channel. If the channel is idle for the configured timeout, i.e there are no +// ongoing RPCs and no new RPCs are initiated, the channel will enter idle mode +// and as a result the name resolver and load balancer will be shut down. The +// channel will exit idle mode when the Connect() method is called or when an +// RPC is initiated. +// +// By default this feature is disabled, which can also be explicitly configured +// by passing zero to this function. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func WithIdleTimeout(d time.Duration) DialOption { + return newFuncDialOption(func(o *dialOptions) { + o.idleTimeout = d + }) +} + +// WithRecvBufferPool returns a DialOption that configures the ClientConn +// to use the provided shared buffer pool for parsing incoming messages. Depending +// on the application's workload, this could result in reduced memory allocation. +// +// If you are unsure about how to implement a memory pool but want to utilize one, +// begin with grpc.NewSharedBufferPool. +// +// Note: The shared buffer pool feature will not be active if any of the following +// options are used: WithStatsHandler, EnableTracing, or binary logging. In such +// cases, the shared buffer pool will be ignored. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func WithRecvBufferPool(bufferPool SharedBufferPool) DialOption { + return newFuncDialOption(func(o *dialOptions) { + o.recvBufferPool = bufferPool + }) +} diff --git a/vendor/google.golang.org/grpc/encoding/encoding.go b/vendor/google.golang.org/grpc/encoding/encoding.go index 711763d54..07a586135 100644 --- a/vendor/google.golang.org/grpc/encoding/encoding.go +++ b/vendor/google.golang.org/grpc/encoding/encoding.go @@ -75,7 +75,9 @@ var registeredCompressor = make(map[string]Compressor) // registered with the same name, the one registered last will take effect. func RegisterCompressor(c Compressor) { registeredCompressor[c.Name()] = c - grpcutil.RegisteredCompressorNames = append(grpcutil.RegisteredCompressorNames, c.Name()) + if !grpcutil.IsCompressorNameRegistered(c.Name()) { + grpcutil.RegisteredCompressorNames = append(grpcutil.RegisteredCompressorNames, c.Name()) + } } // GetCompressor returns Compressor for the given compressor name. diff --git a/vendor/google.golang.org/grpc/grpclog/loggerv2.go b/vendor/google.golang.org/grpc/grpclog/loggerv2.go index b5560b47e..5de66e40d 100644 --- a/vendor/google.golang.org/grpc/grpclog/loggerv2.go +++ b/vendor/google.golang.org/grpc/grpclog/loggerv2.go @@ -22,7 +22,6 @@ import ( "encoding/json" "fmt" "io" - "io/ioutil" "log" "os" "strconv" @@ -140,9 +139,9 @@ func newLoggerV2WithConfig(infoW, warningW, errorW io.Writer, c loggerV2Config) // newLoggerV2 creates a loggerV2 to be used as default logger. // All logs are written to stderr. func newLoggerV2() LoggerV2 { - errorW := ioutil.Discard - warningW := ioutil.Discard - infoW := ioutil.Discard + errorW := io.Discard + warningW := io.Discard + infoW := io.Discard logLevel := os.Getenv("GRPC_GO_LOG_SEVERITY_LEVEL") switch logLevel { diff --git a/vendor/google.golang.org/grpc/idle.go b/vendor/google.golang.org/grpc/idle.go new file mode 100644 index 000000000..dc3dc72f6 --- /dev/null +++ b/vendor/google.golang.org/grpc/idle.go @@ -0,0 +1,287 @@ +/* + * + * Copyright 2023 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package grpc + +import ( + "fmt" + "math" + "sync" + "sync/atomic" + "time" +) + +// For overriding in unit tests. +var timeAfterFunc = func(d time.Duration, f func()) *time.Timer { + return time.AfterFunc(d, f) +} + +// idlenessEnforcer is the functionality provided by grpc.ClientConn to enter +// and exit from idle mode. +type idlenessEnforcer interface { + exitIdleMode() error + enterIdleMode() error +} + +// idlenessManager defines the functionality required to track RPC activity on a +// channel. +type idlenessManager interface { + onCallBegin() error + onCallEnd() + close() +} + +type noopIdlenessManager struct{} + +func (noopIdlenessManager) onCallBegin() error { return nil } +func (noopIdlenessManager) onCallEnd() {} +func (noopIdlenessManager) close() {} + +// idlenessManagerImpl implements the idlenessManager interface. It uses atomic +// operations to synchronize access to shared state and a mutex to guarantee +// mutual exclusion in a critical section. +type idlenessManagerImpl struct { + // State accessed atomically. + lastCallEndTime int64 // Unix timestamp in nanos; time when the most recent RPC completed. + activeCallsCount int32 // Count of active RPCs; -math.MaxInt32 means channel is idle or is trying to get there. + activeSinceLastTimerCheck int32 // Boolean; True if there was an RPC since the last timer callback. + closed int32 // Boolean; True when the manager is closed. + + // Can be accessed without atomics or mutex since these are set at creation + // time and read-only after that. + enforcer idlenessEnforcer // Functionality provided by grpc.ClientConn. + timeout int64 // Idle timeout duration nanos stored as an int64. + + // idleMu is used to guarantee mutual exclusion in two scenarios: + // - Opposing intentions: + // - a: Idle timeout has fired and handleIdleTimeout() is trying to put + // the channel in idle mode because the channel has been inactive. + // - b: At the same time an RPC is made on the channel, and onCallBegin() + // is trying to prevent the channel from going idle. + // - Competing intentions: + // - The channel is in idle mode and there are multiple RPCs starting at + // the same time, all trying to move the channel out of idle. Only one + // of them should succeed in doing so, while the other RPCs should + // piggyback on the first one and be successfully handled. + idleMu sync.RWMutex + actuallyIdle bool + timer *time.Timer +} + +// newIdlenessManager creates a new idleness manager implementation for the +// given idle timeout. +func newIdlenessManager(enforcer idlenessEnforcer, idleTimeout time.Duration) idlenessManager { + if idleTimeout == 0 { + return noopIdlenessManager{} + } + + i := &idlenessManagerImpl{ + enforcer: enforcer, + timeout: int64(idleTimeout), + } + i.timer = timeAfterFunc(idleTimeout, i.handleIdleTimeout) + return i +} + +// resetIdleTimer resets the idle timer to the given duration. This method +// should only be called from the timer callback. +func (i *idlenessManagerImpl) resetIdleTimer(d time.Duration) { + i.idleMu.Lock() + defer i.idleMu.Unlock() + + if i.timer == nil { + // Only close sets timer to nil. We are done. + return + } + + // It is safe to ignore the return value from Reset() because this method is + // only ever called from the timer callback, which means the timer has + // already fired. + i.timer.Reset(d) +} + +// handleIdleTimeout is the timer callback that is invoked upon expiry of the +// configured idle timeout. The channel is considered inactive if there are no +// ongoing calls and no RPC activity since the last time the timer fired. +func (i *idlenessManagerImpl) handleIdleTimeout() { + if i.isClosed() { + return + } + + if atomic.LoadInt32(&i.activeCallsCount) > 0 { + i.resetIdleTimer(time.Duration(i.timeout)) + return + } + + // There has been activity on the channel since we last got here. Reset the + // timer and return. + if atomic.LoadInt32(&i.activeSinceLastTimerCheck) == 1 { + // Set the timer to fire after a duration of idle timeout, calculated + // from the time the most recent RPC completed. + atomic.StoreInt32(&i.activeSinceLastTimerCheck, 0) + i.resetIdleTimer(time.Duration(atomic.LoadInt64(&i.lastCallEndTime) + i.timeout - time.Now().UnixNano())) + return + } + + // This CAS operation is extremely likely to succeed given that there has + // been no activity since the last time we were here. Setting the + // activeCallsCount to -math.MaxInt32 indicates to onCallBegin() that the + // channel is either in idle mode or is trying to get there. + if !atomic.CompareAndSwapInt32(&i.activeCallsCount, 0, -math.MaxInt32) { + // This CAS operation can fail if an RPC started after we checked for + // activity at the top of this method, or one was ongoing from before + // the last time we were here. In both case, reset the timer and return. + i.resetIdleTimer(time.Duration(i.timeout)) + return + } + + // Now that we've set the active calls count to -math.MaxInt32, it's time to + // actually move to idle mode. + if i.tryEnterIdleMode() { + // Successfully entered idle mode. No timer needed until we exit idle. + return + } + + // Failed to enter idle mode due to a concurrent RPC that kept the channel + // active, or because of an error from the channel. Undo the attempt to + // enter idle, and reset the timer to try again later. + atomic.AddInt32(&i.activeCallsCount, math.MaxInt32) + i.resetIdleTimer(time.Duration(i.timeout)) +} + +// tryEnterIdleMode instructs the channel to enter idle mode. But before +// that, it performs a last minute check to ensure that no new RPC has come in, +// making the channel active. +// +// Return value indicates whether or not the channel moved to idle mode. +// +// Holds idleMu which ensures mutual exclusion with exitIdleMode. +func (i *idlenessManagerImpl) tryEnterIdleMode() bool { + i.idleMu.Lock() + defer i.idleMu.Unlock() + + if atomic.LoadInt32(&i.activeCallsCount) != -math.MaxInt32 { + // We raced and lost to a new RPC. Very rare, but stop entering idle. + return false + } + if atomic.LoadInt32(&i.activeSinceLastTimerCheck) == 1 { + // An very short RPC could have come in (and also finished) after we + // checked for calls count and activity in handleIdleTimeout(), but + // before the CAS operation. So, we need to check for activity again. + return false + } + + // No new RPCs have come in since we last set the active calls count value + // -math.MaxInt32 in the timer callback. And since we have the lock, it is + // safe to enter idle mode now. + if err := i.enforcer.enterIdleMode(); err != nil { + logger.Errorf("Failed to enter idle mode: %v", err) + return false + } + + // Successfully entered idle mode. + i.actuallyIdle = true + return true +} + +// onCallBegin is invoked at the start of every RPC. +func (i *idlenessManagerImpl) onCallBegin() error { + if i.isClosed() { + return nil + } + + if atomic.AddInt32(&i.activeCallsCount, 1) > 0 { + // Channel is not idle now. Set the activity bit and allow the call. + atomic.StoreInt32(&i.activeSinceLastTimerCheck, 1) + return nil + } + + // Channel is either in idle mode or is in the process of moving to idle + // mode. Attempt to exit idle mode to allow this RPC. + if err := i.exitIdleMode(); err != nil { + // Undo the increment to calls count, and return an error causing the + // RPC to fail. + atomic.AddInt32(&i.activeCallsCount, -1) + return err + } + + atomic.StoreInt32(&i.activeSinceLastTimerCheck, 1) + return nil +} + +// exitIdleMode instructs the channel to exit idle mode. +// +// Holds idleMu which ensures mutual exclusion with tryEnterIdleMode. +func (i *idlenessManagerImpl) exitIdleMode() error { + i.idleMu.Lock() + defer i.idleMu.Unlock() + + if !i.actuallyIdle { + // This can happen in two scenarios: + // - handleIdleTimeout() set the calls count to -math.MaxInt32 and called + // tryEnterIdleMode(). But before the latter could grab the lock, an RPC + // came in and onCallBegin() noticed that the calls count is negative. + // - Channel is in idle mode, and multiple new RPCs come in at the same + // time, all of them notice a negative calls count in onCallBegin and get + // here. The first one to get the lock would got the channel to exit idle. + // + // Either way, nothing to do here. + return nil + } + + if err := i.enforcer.exitIdleMode(); err != nil { + return fmt.Errorf("channel failed to exit idle mode: %v", err) + } + + // Undo the idle entry process. This also respects any new RPC attempts. + atomic.AddInt32(&i.activeCallsCount, math.MaxInt32) + i.actuallyIdle = false + + // Start a new timer to fire after the configured idle timeout. + i.timer = timeAfterFunc(time.Duration(i.timeout), i.handleIdleTimeout) + return nil +} + +// onCallEnd is invoked at the end of every RPC. +func (i *idlenessManagerImpl) onCallEnd() { + if i.isClosed() { + return + } + + // Record the time at which the most recent call finished. + atomic.StoreInt64(&i.lastCallEndTime, time.Now().UnixNano()) + + // Decrement the active calls count. This count can temporarily go negative + // when the timer callback is in the process of moving the channel to idle + // mode, but one or more RPCs come in and complete before the timer callback + // can get done with the process of moving to idle mode. + atomic.AddInt32(&i.activeCallsCount, -1) +} + +func (i *idlenessManagerImpl) isClosed() bool { + return atomic.LoadInt32(&i.closed) == 1 +} + +func (i *idlenessManagerImpl) close() { + atomic.StoreInt32(&i.closed, 1) + + i.idleMu.Lock() + i.timer.Stop() + i.timer = nil + i.idleMu.Unlock() +} diff --git a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go index 809d73cca..755fdebc1 100644 --- a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go +++ b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go @@ -28,8 +28,13 @@ import ( "google.golang.org/grpc/internal/grpcutil" ) -// Logger is the global binary logger. It can be used to get binary logger for -// each method. +var grpclogLogger = grpclog.Component("binarylog") + +// Logger specifies MethodLoggers for method names with a Log call that +// takes a context. +// +// This is used in the 1.0 release of gcp/observability, and thus must not be +// deleted or changed. type Logger interface { GetMethodLogger(methodName string) MethodLogger } @@ -40,8 +45,6 @@ type Logger interface { // It is used to get a MethodLogger for each individual method. var binLogger Logger -var grpclogLogger = grpclog.Component("binarylog") - // SetLogger sets the binary logger. // // Only call this at init time. diff --git a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go index 179f4a26d..6c3f63221 100644 --- a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go +++ b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go @@ -19,6 +19,7 @@ package binarylog import ( + "context" "net" "strings" "sync/atomic" @@ -26,7 +27,7 @@ import ( "github.com/golang/protobuf/proto" "github.com/golang/protobuf/ptypes" - pb "google.golang.org/grpc/binarylog/grpc_binarylog_v1" + binlogpb "google.golang.org/grpc/binarylog/grpc_binarylog_v1" "google.golang.org/grpc/metadata" "google.golang.org/grpc/status" ) @@ -48,8 +49,11 @@ func (g *callIDGenerator) reset() { var idGen callIDGenerator // MethodLogger is the sub-logger for each method. +// +// This is used in the 1.0 release of gcp/observability, and thus must not be +// deleted or changed. type MethodLogger interface { - Log(LogEntryConfig) + Log(context.Context, LogEntryConfig) } // TruncatingMethodLogger is a method logger that truncates headers and messages @@ -64,6 +68,9 @@ type TruncatingMethodLogger struct { } // NewTruncatingMethodLogger returns a new truncating method logger. +// +// This is used in the 1.0 release of gcp/observability, and thus must not be +// deleted or changed. func NewTruncatingMethodLogger(h, m uint64) *TruncatingMethodLogger { return &TruncatingMethodLogger{ headerMaxLen: h, @@ -79,7 +86,7 @@ func NewTruncatingMethodLogger(h, m uint64) *TruncatingMethodLogger { // Build is an internal only method for building the proto message out of the // input event. It's made public to enable other library to reuse as much logic // in TruncatingMethodLogger as possible. -func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry { +func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *binlogpb.GrpcLogEntry { m := c.toProto() timestamp, _ := ptypes.TimestampProto(time.Now()) m.Timestamp = timestamp @@ -87,22 +94,22 @@ func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry { m.SequenceIdWithinCall = ml.idWithinCallGen.next() switch pay := m.Payload.(type) { - case *pb.GrpcLogEntry_ClientHeader: + case *binlogpb.GrpcLogEntry_ClientHeader: m.PayloadTruncated = ml.truncateMetadata(pay.ClientHeader.GetMetadata()) - case *pb.GrpcLogEntry_ServerHeader: + case *binlogpb.GrpcLogEntry_ServerHeader: m.PayloadTruncated = ml.truncateMetadata(pay.ServerHeader.GetMetadata()) - case *pb.GrpcLogEntry_Message: + case *binlogpb.GrpcLogEntry_Message: m.PayloadTruncated = ml.truncateMessage(pay.Message) } return m } // Log creates a proto binary log entry, and logs it to the sink. -func (ml *TruncatingMethodLogger) Log(c LogEntryConfig) { +func (ml *TruncatingMethodLogger) Log(ctx context.Context, c LogEntryConfig) { ml.sink.Write(ml.Build(c)) } -func (ml *TruncatingMethodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) { +func (ml *TruncatingMethodLogger) truncateMetadata(mdPb *binlogpb.Metadata) (truncated bool) { if ml.headerMaxLen == maxUInt { return false } @@ -121,7 +128,7 @@ func (ml *TruncatingMethodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated // but not counted towards the size limit. continue } - currentEntryLen := uint64(len(entry.Value)) + currentEntryLen := uint64(len(entry.GetKey())) + uint64(len(entry.GetValue())) if currentEntryLen > bytesLimit { break } @@ -132,7 +139,7 @@ func (ml *TruncatingMethodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated return truncated } -func (ml *TruncatingMethodLogger) truncateMessage(msgPb *pb.Message) (truncated bool) { +func (ml *TruncatingMethodLogger) truncateMessage(msgPb *binlogpb.Message) (truncated bool) { if ml.messageMaxLen == maxUInt { return false } @@ -144,8 +151,11 @@ func (ml *TruncatingMethodLogger) truncateMessage(msgPb *pb.Message) (truncated } // LogEntryConfig represents the configuration for binary log entry. +// +// This is used in the 1.0 release of gcp/observability, and thus must not be +// deleted or changed. type LogEntryConfig interface { - toProto() *pb.GrpcLogEntry + toProto() *binlogpb.GrpcLogEntry } // ClientHeader configs the binary log entry to be a ClientHeader entry. @@ -159,10 +169,10 @@ type ClientHeader struct { PeerAddr net.Addr } -func (c *ClientHeader) toProto() *pb.GrpcLogEntry { +func (c *ClientHeader) toProto() *binlogpb.GrpcLogEntry { // This function doesn't need to set all the fields (e.g. seq ID). The Log // function will set the fields when necessary. - clientHeader := &pb.ClientHeader{ + clientHeader := &binlogpb.ClientHeader{ Metadata: mdToMetadataProto(c.Header), MethodName: c.MethodName, Authority: c.Authority, @@ -170,16 +180,16 @@ func (c *ClientHeader) toProto() *pb.GrpcLogEntry { if c.Timeout > 0 { clientHeader.Timeout = ptypes.DurationProto(c.Timeout) } - ret := &pb.GrpcLogEntry{ - Type: pb.GrpcLogEntry_EVENT_TYPE_CLIENT_HEADER, - Payload: &pb.GrpcLogEntry_ClientHeader{ + ret := &binlogpb.GrpcLogEntry{ + Type: binlogpb.GrpcLogEntry_EVENT_TYPE_CLIENT_HEADER, + Payload: &binlogpb.GrpcLogEntry_ClientHeader{ ClientHeader: clientHeader, }, } if c.OnClientSide { - ret.Logger = pb.GrpcLogEntry_LOGGER_CLIENT + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_CLIENT } else { - ret.Logger = pb.GrpcLogEntry_LOGGER_SERVER + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_SERVER } if c.PeerAddr != nil { ret.Peer = addrToProto(c.PeerAddr) @@ -195,19 +205,19 @@ type ServerHeader struct { PeerAddr net.Addr } -func (c *ServerHeader) toProto() *pb.GrpcLogEntry { - ret := &pb.GrpcLogEntry{ - Type: pb.GrpcLogEntry_EVENT_TYPE_SERVER_HEADER, - Payload: &pb.GrpcLogEntry_ServerHeader{ - ServerHeader: &pb.ServerHeader{ +func (c *ServerHeader) toProto() *binlogpb.GrpcLogEntry { + ret := &binlogpb.GrpcLogEntry{ + Type: binlogpb.GrpcLogEntry_EVENT_TYPE_SERVER_HEADER, + Payload: &binlogpb.GrpcLogEntry_ServerHeader{ + ServerHeader: &binlogpb.ServerHeader{ Metadata: mdToMetadataProto(c.Header), }, }, } if c.OnClientSide { - ret.Logger = pb.GrpcLogEntry_LOGGER_CLIENT + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_CLIENT } else { - ret.Logger = pb.GrpcLogEntry_LOGGER_SERVER + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_SERVER } if c.PeerAddr != nil { ret.Peer = addrToProto(c.PeerAddr) @@ -223,7 +233,7 @@ type ClientMessage struct { Message interface{} } -func (c *ClientMessage) toProto() *pb.GrpcLogEntry { +func (c *ClientMessage) toProto() *binlogpb.GrpcLogEntry { var ( data []byte err error @@ -238,19 +248,19 @@ func (c *ClientMessage) toProto() *pb.GrpcLogEntry { } else { grpclogLogger.Infof("binarylogging: message to log is neither proto.message nor []byte") } - ret := &pb.GrpcLogEntry{ - Type: pb.GrpcLogEntry_EVENT_TYPE_CLIENT_MESSAGE, - Payload: &pb.GrpcLogEntry_Message{ - Message: &pb.Message{ + ret := &binlogpb.GrpcLogEntry{ + Type: binlogpb.GrpcLogEntry_EVENT_TYPE_CLIENT_MESSAGE, + Payload: &binlogpb.GrpcLogEntry_Message{ + Message: &binlogpb.Message{ Length: uint32(len(data)), Data: data, }, }, } if c.OnClientSide { - ret.Logger = pb.GrpcLogEntry_LOGGER_CLIENT + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_CLIENT } else { - ret.Logger = pb.GrpcLogEntry_LOGGER_SERVER + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_SERVER } return ret } @@ -263,7 +273,7 @@ type ServerMessage struct { Message interface{} } -func (c *ServerMessage) toProto() *pb.GrpcLogEntry { +func (c *ServerMessage) toProto() *binlogpb.GrpcLogEntry { var ( data []byte err error @@ -278,19 +288,19 @@ func (c *ServerMessage) toProto() *pb.GrpcLogEntry { } else { grpclogLogger.Infof("binarylogging: message to log is neither proto.message nor []byte") } - ret := &pb.GrpcLogEntry{ - Type: pb.GrpcLogEntry_EVENT_TYPE_SERVER_MESSAGE, - Payload: &pb.GrpcLogEntry_Message{ - Message: &pb.Message{ + ret := &binlogpb.GrpcLogEntry{ + Type: binlogpb.GrpcLogEntry_EVENT_TYPE_SERVER_MESSAGE, + Payload: &binlogpb.GrpcLogEntry_Message{ + Message: &binlogpb.Message{ Length: uint32(len(data)), Data: data, }, }, } if c.OnClientSide { - ret.Logger = pb.GrpcLogEntry_LOGGER_CLIENT + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_CLIENT } else { - ret.Logger = pb.GrpcLogEntry_LOGGER_SERVER + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_SERVER } return ret } @@ -300,15 +310,15 @@ type ClientHalfClose struct { OnClientSide bool } -func (c *ClientHalfClose) toProto() *pb.GrpcLogEntry { - ret := &pb.GrpcLogEntry{ - Type: pb.GrpcLogEntry_EVENT_TYPE_CLIENT_HALF_CLOSE, +func (c *ClientHalfClose) toProto() *binlogpb.GrpcLogEntry { + ret := &binlogpb.GrpcLogEntry{ + Type: binlogpb.GrpcLogEntry_EVENT_TYPE_CLIENT_HALF_CLOSE, Payload: nil, // No payload here. } if c.OnClientSide { - ret.Logger = pb.GrpcLogEntry_LOGGER_CLIENT + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_CLIENT } else { - ret.Logger = pb.GrpcLogEntry_LOGGER_SERVER + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_SERVER } return ret } @@ -324,7 +334,7 @@ type ServerTrailer struct { PeerAddr net.Addr } -func (c *ServerTrailer) toProto() *pb.GrpcLogEntry { +func (c *ServerTrailer) toProto() *binlogpb.GrpcLogEntry { st, ok := status.FromError(c.Err) if !ok { grpclogLogger.Info("binarylogging: error in trailer is not a status error") @@ -340,10 +350,10 @@ func (c *ServerTrailer) toProto() *pb.GrpcLogEntry { grpclogLogger.Infof("binarylogging: failed to marshal status proto: %v", err) } } - ret := &pb.GrpcLogEntry{ - Type: pb.GrpcLogEntry_EVENT_TYPE_SERVER_TRAILER, - Payload: &pb.GrpcLogEntry_Trailer{ - Trailer: &pb.Trailer{ + ret := &binlogpb.GrpcLogEntry{ + Type: binlogpb.GrpcLogEntry_EVENT_TYPE_SERVER_TRAILER, + Payload: &binlogpb.GrpcLogEntry_Trailer{ + Trailer: &binlogpb.Trailer{ Metadata: mdToMetadataProto(c.Trailer), StatusCode: uint32(st.Code()), StatusMessage: st.Message(), @@ -352,9 +362,9 @@ func (c *ServerTrailer) toProto() *pb.GrpcLogEntry { }, } if c.OnClientSide { - ret.Logger = pb.GrpcLogEntry_LOGGER_CLIENT + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_CLIENT } else { - ret.Logger = pb.GrpcLogEntry_LOGGER_SERVER + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_SERVER } if c.PeerAddr != nil { ret.Peer = addrToProto(c.PeerAddr) @@ -367,15 +377,15 @@ type Cancel struct { OnClientSide bool } -func (c *Cancel) toProto() *pb.GrpcLogEntry { - ret := &pb.GrpcLogEntry{ - Type: pb.GrpcLogEntry_EVENT_TYPE_CANCEL, +func (c *Cancel) toProto() *binlogpb.GrpcLogEntry { + ret := &binlogpb.GrpcLogEntry{ + Type: binlogpb.GrpcLogEntry_EVENT_TYPE_CANCEL, Payload: nil, } if c.OnClientSide { - ret.Logger = pb.GrpcLogEntry_LOGGER_CLIENT + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_CLIENT } else { - ret.Logger = pb.GrpcLogEntry_LOGGER_SERVER + ret.Logger = binlogpb.GrpcLogEntry_LOGGER_SERVER } return ret } @@ -392,15 +402,15 @@ func metadataKeyOmit(key string) bool { return strings.HasPrefix(key, "grpc-") } -func mdToMetadataProto(md metadata.MD) *pb.Metadata { - ret := &pb.Metadata{} +func mdToMetadataProto(md metadata.MD) *binlogpb.Metadata { + ret := &binlogpb.Metadata{} for k, vv := range md { if metadataKeyOmit(k) { continue } for _, v := range vv { ret.Entry = append(ret.Entry, - &pb.MetadataEntry{ + &binlogpb.MetadataEntry{ Key: k, Value: []byte(v), }, @@ -410,26 +420,26 @@ func mdToMetadataProto(md metadata.MD) *pb.Metadata { return ret } -func addrToProto(addr net.Addr) *pb.Address { - ret := &pb.Address{} +func addrToProto(addr net.Addr) *binlogpb.Address { + ret := &binlogpb.Address{} switch a := addr.(type) { case *net.TCPAddr: if a.IP.To4() != nil { - ret.Type = pb.Address_TYPE_IPV4 + ret.Type = binlogpb.Address_TYPE_IPV4 } else if a.IP.To16() != nil { - ret.Type = pb.Address_TYPE_IPV6 + ret.Type = binlogpb.Address_TYPE_IPV6 } else { - ret.Type = pb.Address_TYPE_UNKNOWN + ret.Type = binlogpb.Address_TYPE_UNKNOWN // Do not set address and port fields. break } ret.Address = a.IP.String() ret.IpPort = uint32(a.Port) case *net.UnixAddr: - ret.Type = pb.Address_TYPE_UNIX + ret.Type = binlogpb.Address_TYPE_UNIX ret.Address = a.String() default: - ret.Type = pb.Address_TYPE_UNKNOWN + ret.Type = binlogpb.Address_TYPE_UNKNOWN } return ret } diff --git a/vendor/google.golang.org/grpc/internal/binarylog/sink.go b/vendor/google.golang.org/grpc/internal/binarylog/sink.go index c2fdd58b3..264de387c 100644 --- a/vendor/google.golang.org/grpc/internal/binarylog/sink.go +++ b/vendor/google.golang.org/grpc/internal/binarylog/sink.go @@ -26,7 +26,7 @@ import ( "time" "github.com/golang/protobuf/proto" - pb "google.golang.org/grpc/binarylog/grpc_binarylog_v1" + binlogpb "google.golang.org/grpc/binarylog/grpc_binarylog_v1" ) var ( @@ -42,15 +42,15 @@ type Sink interface { // Write will be called to write the log entry into the sink. // // It should be thread-safe so it can be called in parallel. - Write(*pb.GrpcLogEntry) error + Write(*binlogpb.GrpcLogEntry) error // Close will be called when the Sink is replaced by a new Sink. Close() error } type noopSink struct{} -func (ns *noopSink) Write(*pb.GrpcLogEntry) error { return nil } -func (ns *noopSink) Close() error { return nil } +func (ns *noopSink) Write(*binlogpb.GrpcLogEntry) error { return nil } +func (ns *noopSink) Close() error { return nil } // newWriterSink creates a binary log sink with the given writer. // @@ -66,7 +66,7 @@ type writerSink struct { out io.Writer } -func (ws *writerSink) Write(e *pb.GrpcLogEntry) error { +func (ws *writerSink) Write(e *binlogpb.GrpcLogEntry) error { b, err := proto.Marshal(e) if err != nil { grpclogLogger.Errorf("binary logging: failed to marshal proto message: %v", err) @@ -96,7 +96,7 @@ type bufferedSink struct { done chan struct{} } -func (fs *bufferedSink) Write(e *pb.GrpcLogEntry) error { +func (fs *bufferedSink) Write(e *binlogpb.GrpcLogEntry) error { fs.mu.Lock() defer fs.mu.Unlock() if !fs.flusherStarted { diff --git a/vendor/google.golang.org/grpc/internal/buffer/unbounded.go b/vendor/google.golang.org/grpc/internal/buffer/unbounded.go index 9f6a0c120..81c2f5fd7 100644 --- a/vendor/google.golang.org/grpc/internal/buffer/unbounded.go +++ b/vendor/google.golang.org/grpc/internal/buffer/unbounded.go @@ -35,6 +35,7 @@ import "sync" // internal/transport/transport.go for an example of this. type Unbounded struct { c chan interface{} + closed bool mu sync.Mutex backlog []interface{} } @@ -47,16 +48,18 @@ func NewUnbounded() *Unbounded { // Put adds t to the unbounded buffer. func (b *Unbounded) Put(t interface{}) { b.mu.Lock() + defer b.mu.Unlock() + if b.closed { + return + } if len(b.backlog) == 0 { select { case b.c <- t: - b.mu.Unlock() return default: } } b.backlog = append(b.backlog, t) - b.mu.Unlock() } // Load sends the earliest buffered data, if any, onto the read channel @@ -64,6 +67,10 @@ func (b *Unbounded) Put(t interface{}) { // value from the read channel. func (b *Unbounded) Load() { b.mu.Lock() + defer b.mu.Unlock() + if b.closed { + return + } if len(b.backlog) > 0 { select { case b.c <- b.backlog[0]: @@ -72,7 +79,6 @@ func (b *Unbounded) Load() { default: } } - b.mu.Unlock() } // Get returns a read channel on which values added to the buffer, via Put(), @@ -80,6 +86,20 @@ func (b *Unbounded) Load() { // // Upon reading a value from this channel, users are expected to call Load() to // send the next buffered value onto the channel if there is any. +// +// If the unbounded buffer is closed, the read channel returned by this method +// is closed. func (b *Unbounded) Get() <-chan interface{} { return b.c } + +// Close closes the unbounded buffer. +func (b *Unbounded) Close() { + b.mu.Lock() + defer b.mu.Unlock() + if b.closed { + return + } + b.closed = true + close(b.c) +} diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go index 7edd196bd..77c2c0b89 100644 --- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go +++ b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go @@ -21,19 +21,49 @@ package envconfig import ( "os" + "strconv" "strings" ) -const ( - prefix = "GRPC_GO_" - txtErrIgnoreStr = prefix + "IGNORE_TXT_ERRORS" - advertiseCompressorsStr = prefix + "ADVERTISE_COMPRESSORS" -) - var ( // TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false"). - TXTErrIgnore = !strings.EqualFold(os.Getenv(txtErrIgnoreStr), "false") + TXTErrIgnore = boolFromEnv("GRPC_GO_IGNORE_TXT_ERRORS", true) // AdvertiseCompressors is set if registered compressor should be advertised // ("GRPC_GO_ADVERTISE_COMPRESSORS" is not "false"). - AdvertiseCompressors = !strings.EqualFold(os.Getenv(advertiseCompressorsStr), "false") + AdvertiseCompressors = boolFromEnv("GRPC_GO_ADVERTISE_COMPRESSORS", true) + // RingHashCap indicates the maximum ring size which defaults to 4096 + // entries but may be overridden by setting the environment variable + // "GRPC_RING_HASH_CAP". This does not override the default bounds + // checking which NACKs configs specifying ring sizes > 8*1024*1024 (~8M). + RingHashCap = uint64FromEnv("GRPC_RING_HASH_CAP", 4096, 1, 8*1024*1024) + // PickFirstLBConfig is set if we should support configuration of the + // pick_first LB policy, which can be enabled by setting the environment + // variable "GRPC_EXPERIMENTAL_PICKFIRST_LB_CONFIG" to "true". + PickFirstLBConfig = boolFromEnv("GRPC_EXPERIMENTAL_PICKFIRST_LB_CONFIG", false) + // ALTSMaxConcurrentHandshakes is the maximum number of concurrent ALTS + // handshakes that can be performed. + ALTSMaxConcurrentHandshakes = uint64FromEnv("GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES", 100, 1, 100) ) + +func boolFromEnv(envVar string, def bool) bool { + if def { + // The default is true; return true unless the variable is "false". + return !strings.EqualFold(os.Getenv(envVar), "false") + } + // The default is false; return false unless the variable is "true". + return strings.EqualFold(os.Getenv(envVar), "true") +} + +func uint64FromEnv(envVar string, def, min, max uint64) uint64 { + v, err := strconv.ParseUint(os.Getenv(envVar), 10, 64) + if err != nil { + return def + } + if v < min { + return min + } + if v > max { + return max + } + return v +} diff --git a/vendor/google.golang.org/grpc/internal/envconfig/observability.go b/vendor/google.golang.org/grpc/internal/envconfig/observability.go index 821dd0a7c..dd314cfb1 100644 --- a/vendor/google.golang.org/grpc/internal/envconfig/observability.go +++ b/vendor/google.golang.org/grpc/internal/envconfig/observability.go @@ -28,9 +28,15 @@ const ( var ( // ObservabilityConfig is the json configuration for the gcp/observability // package specified directly in the envObservabilityConfig env var. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. ObservabilityConfig = os.Getenv(envObservabilityConfig) // ObservabilityConfigFile is the json configuration for the // gcp/observability specified in a file with the location specified in // envObservabilityConfigFile env var. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. ObservabilityConfigFile = os.Getenv(envObservabilityConfigFile) ) diff --git a/vendor/google.golang.org/grpc/internal/envconfig/xds.go b/vendor/google.golang.org/grpc/internal/envconfig/xds.go index af09711a3..02b4b6a1c 100644 --- a/vendor/google.golang.org/grpc/internal/envconfig/xds.go +++ b/vendor/google.golang.org/grpc/internal/envconfig/xds.go @@ -20,7 +20,6 @@ package envconfig import ( "os" - "strings" ) const ( @@ -36,16 +35,6 @@ const ( // // When both bootstrap FileName and FileContent are set, FileName is used. XDSBootstrapFileContentEnv = "GRPC_XDS_BOOTSTRAP_CONFIG" - - ringHashSupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_RING_HASH" - clientSideSecuritySupportEnv = "GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT" - aggregateAndDNSSupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER" - rbacSupportEnv = "GRPC_XDS_EXPERIMENTAL_RBAC" - outlierDetectionSupportEnv = "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION" - federationEnv = "GRPC_EXPERIMENTAL_XDS_FEDERATION" - rlsInXDSEnv = "GRPC_EXPERIMENTAL_XDS_RLS_LB" - - c2pResolverTestOnlyTrafficDirectorURIEnv = "GRPC_TEST_ONLY_GOOGLE_C2P_RESOLVER_TRAFFIC_DIRECTOR_URI" ) var ( @@ -64,38 +53,43 @@ var ( // XDSRingHash indicates whether ring hash support is enabled, which can be // disabled by setting the environment variable // "GRPC_XDS_EXPERIMENTAL_ENABLE_RING_HASH" to "false". - XDSRingHash = !strings.EqualFold(os.Getenv(ringHashSupportEnv), "false") + XDSRingHash = boolFromEnv("GRPC_XDS_EXPERIMENTAL_ENABLE_RING_HASH", true) // XDSClientSideSecurity is used to control processing of security // configuration on the client-side. // // Note that there is no env var protection for the server-side because we // have a brand new API on the server-side and users explicitly need to use // the new API to get security integration on the server. - XDSClientSideSecurity = !strings.EqualFold(os.Getenv(clientSideSecuritySupportEnv), "false") - // XDSAggregateAndDNS indicates whether processing of aggregated cluster - // and DNS cluster is enabled, which can be enabled by setting the - // environment variable - // "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER" to - // "true". - XDSAggregateAndDNS = !strings.EqualFold(os.Getenv(aggregateAndDNSSupportEnv), "false") + XDSClientSideSecurity = boolFromEnv("GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT", true) + // XDSAggregateAndDNS indicates whether processing of aggregated cluster and + // DNS cluster is enabled, which can be disabled by setting the environment + // variable "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER" + // to "false". + XDSAggregateAndDNS = boolFromEnv("GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER", true) // XDSRBAC indicates whether xDS configured RBAC HTTP Filter is enabled, // which can be disabled by setting the environment variable // "GRPC_XDS_EXPERIMENTAL_RBAC" to "false". - XDSRBAC = !strings.EqualFold(os.Getenv(rbacSupportEnv), "false") + XDSRBAC = boolFromEnv("GRPC_XDS_EXPERIMENTAL_RBAC", true) // XDSOutlierDetection indicates whether outlier detection support is // enabled, which can be disabled by setting the environment variable // "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION" to "false". - XDSOutlierDetection = !strings.EqualFold(os.Getenv(outlierDetectionSupportEnv), "false") - // XDSFederation indicates whether federation support is enabled. - XDSFederation = strings.EqualFold(os.Getenv(federationEnv), "true") + XDSOutlierDetection = boolFromEnv("GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION", true) + // XDSFederation indicates whether federation support is enabled, which can + // be enabled by setting the environment variable + // "GRPC_EXPERIMENTAL_XDS_FEDERATION" to "true". + XDSFederation = boolFromEnv("GRPC_EXPERIMENTAL_XDS_FEDERATION", true) // XDSRLS indicates whether processing of Cluster Specifier plugins and - // support for the RLS CLuster Specifier is enabled, which can be enabled by + // support for the RLS CLuster Specifier is enabled, which can be disabled by // setting the environment variable "GRPC_EXPERIMENTAL_XDS_RLS_LB" to - // "true". - XDSRLS = strings.EqualFold(os.Getenv(rlsInXDSEnv), "true") + // "false". + XDSRLS = boolFromEnv("GRPC_EXPERIMENTAL_XDS_RLS_LB", true) // C2PResolverTestOnlyTrafficDirectorURI is the TD URI for testing. - C2PResolverTestOnlyTrafficDirectorURI = os.Getenv(c2pResolverTestOnlyTrafficDirectorURIEnv) + C2PResolverTestOnlyTrafficDirectorURI = os.Getenv("GRPC_TEST_ONLY_GOOGLE_C2P_RESOLVER_TRAFFIC_DIRECTOR_URI") + // XDSCustomLBPolicy indicates whether Custom LB Policies are enabled, which + // can be disabled by setting the environment variable + // "GRPC_EXPERIMENTAL_XDS_CUSTOM_LB_CONFIG" to "false". + XDSCustomLBPolicy = boolFromEnv("GRPC_EXPERIMENTAL_XDS_CUSTOM_LB_CONFIG", true) ) diff --git a/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go b/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go index 82af70e96..02224b42c 100644 --- a/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go +++ b/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go @@ -63,6 +63,9 @@ func (pl *PrefixLogger) Errorf(format string, args ...interface{}) { // Debugf does info logging at verbose level 2. func (pl *PrefixLogger) Debugf(format string, args ...interface{}) { + // TODO(6044): Refactor interfaces LoggerV2 and DepthLogger, and maybe + // rewrite PrefixLogger a little to ensure that we don't use the global + // `Logger` here, and instead use the `logger` field. if !Logger.V(2) { return } @@ -73,6 +76,15 @@ func (pl *PrefixLogger) Debugf(format string, args ...interface{}) { return } InfoDepth(1, fmt.Sprintf(format, args...)) + +} + +// V reports whether verbosity level l is at least the requested verbose level. +func (pl *PrefixLogger) V(l int) bool { + // TODO(6044): Refactor interfaces LoggerV2 and DepthLogger, and maybe + // rewrite PrefixLogger a little to ensure that we don't use the global + // `Logger` here, and instead use the `logger` field. + return Logger.V(l) } // NewPrefixLogger creates a prefix logger with the given prefix. diff --git a/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go b/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go index 517ea7064..aa97273e7 100644 --- a/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go +++ b/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go @@ -72,3 +72,24 @@ func Uint64() uint64 { defer mu.Unlock() return r.Uint64() } + +// Uint32 implements rand.Uint32 on the grpcrand global source. +func Uint32() uint32 { + mu.Lock() + defer mu.Unlock() + return r.Uint32() +} + +// ExpFloat64 implements rand.ExpFloat64 on the grpcrand global source. +func ExpFloat64() float64 { + mu.Lock() + defer mu.Unlock() + return r.ExpFloat64() +} + +// Shuffle implements rand.Shuffle on the grpcrand global source. +var Shuffle = func(n int, f func(int, int)) { + mu.Lock() + defer mu.Unlock() + r.Shuffle(n, f) +} diff --git a/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go b/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go new file mode 100644 index 000000000..37b8d4117 --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go @@ -0,0 +1,119 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package grpcsync + +import ( + "context" + "sync" + + "google.golang.org/grpc/internal/buffer" +) + +// CallbackSerializer provides a mechanism to schedule callbacks in a +// synchronized manner. It provides a FIFO guarantee on the order of execution +// of scheduled callbacks. New callbacks can be scheduled by invoking the +// Schedule() method. +// +// This type is safe for concurrent access. +type CallbackSerializer struct { + // Done is closed once the serializer is shut down completely, i.e all + // scheduled callbacks are executed and the serializer has deallocated all + // its resources. + Done chan struct{} + + callbacks *buffer.Unbounded + closedMu sync.Mutex + closed bool +} + +// NewCallbackSerializer returns a new CallbackSerializer instance. The provided +// context will be passed to the scheduled callbacks. Users should cancel the +// provided context to shutdown the CallbackSerializer. It is guaranteed that no +// callbacks will be added once this context is canceled, and any pending un-run +// callbacks will be executed before the serializer is shut down. +func NewCallbackSerializer(ctx context.Context) *CallbackSerializer { + t := &CallbackSerializer{ + Done: make(chan struct{}), + callbacks: buffer.NewUnbounded(), + } + go t.run(ctx) + return t +} + +// Schedule adds a callback to be scheduled after existing callbacks are run. +// +// Callbacks are expected to honor the context when performing any blocking +// operations, and should return early when the context is canceled. +// +// Return value indicates if the callback was successfully added to the list of +// callbacks to be executed by the serializer. It is not possible to add +// callbacks once the context passed to NewCallbackSerializer is cancelled. +func (t *CallbackSerializer) Schedule(f func(ctx context.Context)) bool { + t.closedMu.Lock() + defer t.closedMu.Unlock() + + if t.closed { + return false + } + t.callbacks.Put(f) + return true +} + +func (t *CallbackSerializer) run(ctx context.Context) { + var backlog []func(context.Context) + + defer close(t.Done) + for ctx.Err() == nil { + select { + case <-ctx.Done(): + // Do nothing here. Next iteration of the for loop will not happen, + // since ctx.Err() would be non-nil. + case callback, ok := <-t.callbacks.Get(): + if !ok { + return + } + t.callbacks.Load() + callback.(func(ctx context.Context))(ctx) + } + } + + // Fetch pending callbacks if any, and execute them before returning from + // this method and closing t.Done. + t.closedMu.Lock() + t.closed = true + backlog = t.fetchPendingCallbacks() + t.callbacks.Close() + t.closedMu.Unlock() + for _, b := range backlog { + b(ctx) + } +} + +func (t *CallbackSerializer) fetchPendingCallbacks() []func(context.Context) { + var backlog []func(context.Context) + for { + select { + case b := <-t.callbacks.Get(): + backlog = append(backlog, b.(func(context.Context))) + t.callbacks.Load() + default: + return backlog + } + } +} diff --git a/vendor/google.golang.org/grpc/internal/grpcsync/pubsub.go b/vendor/google.golang.org/grpc/internal/grpcsync/pubsub.go new file mode 100644 index 000000000..f58b5ffa6 --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/grpcsync/pubsub.go @@ -0,0 +1,136 @@ +/* + * + * Copyright 2023 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package grpcsync + +import ( + "context" + "sync" +) + +// Subscriber represents an entity that is subscribed to messages published on +// a PubSub. It wraps the callback to be invoked by the PubSub when a new +// message is published. +type Subscriber interface { + // OnMessage is invoked when a new message is published. Implementations + // must not block in this method. + OnMessage(msg interface{}) +} + +// PubSub is a simple one-to-many publish-subscribe system that supports +// messages of arbitrary type. It guarantees that messages are delivered in +// the same order in which they were published. +// +// Publisher invokes the Publish() method to publish new messages, while +// subscribers interested in receiving these messages register a callback +// via the Subscribe() method. +// +// Once a PubSub is stopped, no more messages can be published, and +// it is guaranteed that no more subscriber callback will be invoked. +type PubSub struct { + cs *CallbackSerializer + cancel context.CancelFunc + + // Access to the below fields are guarded by this mutex. + mu sync.Mutex + msg interface{} + subscribers map[Subscriber]bool + stopped bool +} + +// NewPubSub returns a new PubSub instance. +func NewPubSub() *PubSub { + ctx, cancel := context.WithCancel(context.Background()) + return &PubSub{ + cs: NewCallbackSerializer(ctx), + cancel: cancel, + subscribers: map[Subscriber]bool{}, + } +} + +// Subscribe registers the provided Subscriber to the PubSub. +// +// If the PubSub contains a previously published message, the Subscriber's +// OnMessage() callback will be invoked asynchronously with the existing +// message to begin with, and subsequently for every newly published message. +// +// The caller is responsible for invoking the returned cancel function to +// unsubscribe itself from the PubSub. +func (ps *PubSub) Subscribe(sub Subscriber) (cancel func()) { + ps.mu.Lock() + defer ps.mu.Unlock() + + if ps.stopped { + return func() {} + } + + ps.subscribers[sub] = true + + if ps.msg != nil { + msg := ps.msg + ps.cs.Schedule(func(context.Context) { + ps.mu.Lock() + defer ps.mu.Unlock() + if !ps.subscribers[sub] { + return + } + sub.OnMessage(msg) + }) + } + + return func() { + ps.mu.Lock() + defer ps.mu.Unlock() + delete(ps.subscribers, sub) + } +} + +// Publish publishes the provided message to the PubSub, and invokes +// callbacks registered by subscribers asynchronously. +func (ps *PubSub) Publish(msg interface{}) { + ps.mu.Lock() + defer ps.mu.Unlock() + + if ps.stopped { + return + } + + ps.msg = msg + for sub := range ps.subscribers { + s := sub + ps.cs.Schedule(func(context.Context) { + ps.mu.Lock() + defer ps.mu.Unlock() + if !ps.subscribers[s] { + return + } + s.OnMessage(msg) + }) + } +} + +// Stop shuts down the PubSub and releases any resources allocated by it. +// It is guaranteed that no subscriber callbacks would be invoked once this +// method returns. +func (ps *PubSub) Stop() { + ps.mu.Lock() + defer ps.mu.Unlock() + ps.stopped = true + + ps.cancel() +} diff --git a/vendor/google.golang.org/grpc/internal/internal.go b/vendor/google.golang.org/grpc/internal/internal.go index fd0ee3dca..42ff39c84 100644 --- a/vendor/google.golang.org/grpc/internal/internal.go +++ b/vendor/google.golang.org/grpc/internal/internal.go @@ -58,6 +58,12 @@ var ( // gRPC server. An xDS-enabled server needs to know what type of credentials // is configured on the underlying gRPC server. This is set by server.go. GetServerCredentials interface{} // func (*grpc.Server) credentials.TransportCredentials + // CanonicalString returns the canonical string of the code defined here: + // https://github.com/grpc/grpc/blob/master/doc/statuscodes.md. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. + CanonicalString interface{} // func (codes.Code) string // DrainServerTransports initiates a graceful close of existing connections // on a gRPC server accepted on the provided listener address. An // xDS-enabled server invokes this method on a grpc.Server when a particular @@ -66,26 +72,54 @@ var ( // AddGlobalServerOptions adds an array of ServerOption that will be // effective globally for newly created servers. The priority will be: 1. // user-provided; 2. this method; 3. default values. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. AddGlobalServerOptions interface{} // func(opt ...ServerOption) // ClearGlobalServerOptions clears the array of extra ServerOption. This // method is useful in testing and benchmarking. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. ClearGlobalServerOptions func() // AddGlobalDialOptions adds an array of DialOption that will be effective // globally for newly created client channels. The priority will be: 1. // user-provided; 2. this method; 3. default values. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. AddGlobalDialOptions interface{} // func(opt ...DialOption) + // DisableGlobalDialOptions returns a DialOption that prevents the + // ClientConn from applying the global DialOptions (set via + // AddGlobalDialOptions). + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. + DisableGlobalDialOptions interface{} // func() grpc.DialOption // ClearGlobalDialOptions clears the array of extra DialOption. This // method is useful in testing and benchmarking. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. ClearGlobalDialOptions func() + // JoinDialOptions combines the dial options passed as arguments into a + // single dial option. + JoinDialOptions interface{} // func(...grpc.DialOption) grpc.DialOption // JoinServerOptions combines the server options passed as arguments into a // single server option. JoinServerOptions interface{} // func(...grpc.ServerOption) grpc.ServerOption // WithBinaryLogger returns a DialOption that specifies the binary logger // for a ClientConn. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. WithBinaryLogger interface{} // func(binarylog.Logger) grpc.DialOption // BinaryLogger returns a ServerOption that can set the binary logger for a // server. + // + // This is used in the 1.0 release of gcp/observability, and thus must not be + // deleted or changed. BinaryLogger interface{} // func(binarylog.Logger) grpc.ServerOption // NewXDSResolverWithConfigForTesting creates a new xds resolver builder using @@ -127,6 +161,9 @@ var ( // // TODO: Remove this function once the RBAC env var is removed. UnregisterRBACHTTPFilterForTesting func() + + // ORCAAllowAnyMinReportingInterval is for examples/orca use ONLY. + ORCAAllowAnyMinReportingInterval interface{} // func(so *orca.ServiceOptions) ) // HealthChecker defines the signature of the client-side LB channel health checking function. diff --git a/vendor/google.golang.org/grpc/internal/metadata/metadata.go b/vendor/google.golang.org/grpc/internal/metadata/metadata.go index b2980f8ac..c82e608e0 100644 --- a/vendor/google.golang.org/grpc/internal/metadata/metadata.go +++ b/vendor/google.golang.org/grpc/internal/metadata/metadata.go @@ -76,33 +76,11 @@ func Set(addr resolver.Address, md metadata.MD) resolver.Address { return addr } -// Validate returns an error if the input md contains invalid keys or values. -// -// If the header is not a pseudo-header, the following items are checked: -// - header names must contain one or more characters from this set [0-9 a-z _ - .]. -// - if the header-name ends with a "-bin" suffix, no validation of the header value is performed. -// - otherwise, the header value must contain one or more characters from the set [%x20-%x7E]. +// Validate validates every pair in md with ValidatePair. func Validate(md metadata.MD) error { for k, vals := range md { - // pseudo-header will be ignored - if k[0] == ':' { - continue - } - // check key, for i that saving a conversion if not using for range - for i := 0; i < len(k); i++ { - r := k[i] - if !(r >= 'a' && r <= 'z') && !(r >= '0' && r <= '9') && r != '.' && r != '-' && r != '_' { - return fmt.Errorf("header key %q contains illegal characters not in [0-9a-z-_.]", k) - } - } - if strings.HasSuffix(k, "-bin") { - continue - } - // check value - for _, val := range vals { - if hasNotPrintable(val) { - return fmt.Errorf("header key %q contains value with non-printable ASCII characters", k) - } + if err := ValidatePair(k, vals...); err != nil { + return err } } return nil @@ -118,3 +96,37 @@ func hasNotPrintable(msg string) bool { } return false } + +// ValidatePair validate a key-value pair with the following rules (the pseudo-header will be skipped) : +// +// - key must contain one or more characters. +// - the characters in the key must be contained in [0-9 a-z _ - .]. +// - if the key ends with a "-bin" suffix, no validation of the corresponding value is performed. +// - the characters in the every value must be printable (in [%x20-%x7E]). +func ValidatePair(key string, vals ...string) error { + // key should not be empty + if key == "" { + return fmt.Errorf("there is an empty key in the header") + } + // pseudo-header will be ignored + if key[0] == ':' { + return nil + } + // check key, for i that saving a conversion if not using for range + for i := 0; i < len(key); i++ { + r := key[i] + if !(r >= 'a' && r <= 'z') && !(r >= '0' && r <= '9') && r != '.' && r != '-' && r != '_' { + return fmt.Errorf("header key %q contains illegal characters not in [0-9a-z-_.]", key) + } + } + if strings.HasSuffix(key, "-bin") { + return nil + } + // check value + for _, val := range vals { + if hasNotPrintable(val) { + return fmt.Errorf("header key %q contains value with non-printable ASCII characters", key) + } + } + return nil +} diff --git a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go index 75301c514..99e1e5b36 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go +++ b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go @@ -62,7 +62,8 @@ const ( defaultPort = "443" defaultDNSSvrPort = "53" golang = "GO" - // txtPrefix is the prefix string to be prepended to the host name for txt record lookup. + // txtPrefix is the prefix string to be prepended to the host name for txt + // record lookup. txtPrefix = "_grpc_config." // In DNS, service config is encoded in a TXT record via the mechanism // described in RFC-1464 using the attribute name grpc_config. @@ -86,14 +87,14 @@ var ( minDNSResRate = 30 * time.Second ) -var customAuthorityDialler = func(authority string) func(ctx context.Context, network, address string) (net.Conn, error) { - return func(ctx context.Context, network, address string) (net.Conn, error) { +var addressDialer = func(address string) func(context.Context, string, string) (net.Conn, error) { + return func(ctx context.Context, network, _ string) (net.Conn, error) { var dialer net.Dialer - return dialer.DialContext(ctx, network, authority) + return dialer.DialContext(ctx, network, address) } } -var customAuthorityResolver = func(authority string) (netResolver, error) { +var newNetResolver = func(authority string) (netResolver, error) { host, port, err := parseTarget(authority, defaultDNSSvrPort) if err != nil { return nil, err @@ -103,7 +104,7 @@ var customAuthorityResolver = func(authority string) (netResolver, error) { return &net.Resolver{ PreferGo: true, - Dial: customAuthorityDialler(authorityWithPort), + Dial: addressDialer(authorityWithPort), }, nil } @@ -114,9 +115,10 @@ func NewBuilder() resolver.Builder { type dnsBuilder struct{} -// Build creates and starts a DNS resolver that watches the name resolution of the target. +// Build creates and starts a DNS resolver that watches the name resolution of +// the target. func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions) (resolver.Resolver, error) { - host, port, err := parseTarget(target.Endpoint, defaultPort) + host, port, err := parseTarget(target.Endpoint(), defaultPort) if err != nil { return nil, err } @@ -140,10 +142,10 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts disableServiceConfig: opts.DisableServiceConfig, } - if target.Authority == "" { + if target.URL.Host == "" { d.resolver = defaultResolver } else { - d.resolver, err = customAuthorityResolver(target.Authority) + d.resolver, err = newNetResolver(target.URL.Host) if err != nil { return nil, err } @@ -180,19 +182,22 @@ type dnsResolver struct { ctx context.Context cancel context.CancelFunc cc resolver.ClientConn - // rn channel is used by ResolveNow() to force an immediate resolution of the target. + // rn channel is used by ResolveNow() to force an immediate resolution of the + // target. rn chan struct{} - // wg is used to enforce Close() to return after the watcher() goroutine has finished. - // Otherwise, data race will be possible. [Race Example] in dns_resolver_test we - // replace the real lookup functions with mocked ones to facilitate testing. - // If Close() doesn't wait for watcher() goroutine finishes, race detector sometimes - // will warns lookup (READ the lookup function pointers) inside watcher() goroutine - // has data race with replaceNetFunc (WRITE the lookup function pointers). + // wg is used to enforce Close() to return after the watcher() goroutine has + // finished. Otherwise, data race will be possible. [Race Example] in + // dns_resolver_test we replace the real lookup functions with mocked ones to + // facilitate testing. If Close() doesn't wait for watcher() goroutine + // finishes, race detector sometimes will warns lookup (READ the lookup + // function pointers) inside watcher() goroutine has data race with + // replaceNetFunc (WRITE the lookup function pointers). wg sync.WaitGroup disableServiceConfig bool } -// ResolveNow invoke an immediate resolution of the target that this dnsResolver watches. +// ResolveNow invoke an immediate resolution of the target that this +// dnsResolver watches. func (d *dnsResolver) ResolveNow(resolver.ResolveNowOptions) { select { case d.rn <- struct{}{}: @@ -220,8 +225,8 @@ func (d *dnsResolver) watcher() { var timer *time.Timer if err == nil { - // Success resolving, wait for the next ResolveNow. However, also wait 30 seconds at the very least - // to prevent constantly re-resolving. + // Success resolving, wait for the next ResolveNow. However, also wait 30 + // seconds at the very least to prevent constantly re-resolving. backoffIndex = 1 timer = newTimerDNSResRate(minDNSResRate) select { @@ -231,7 +236,8 @@ func (d *dnsResolver) watcher() { case <-d.rn: } } else { - // Poll on an error found in DNS Resolver or an error received from ClientConn. + // Poll on an error found in DNS Resolver or an error received from + // ClientConn. timer = newTimer(backoff.DefaultExponential.Backoff(backoffIndex)) backoffIndex++ } @@ -278,7 +284,8 @@ func (d *dnsResolver) lookupSRV() ([]resolver.Address, error) { } func handleDNSError(err error, lookupType string) error { - if dnsErr, ok := err.(*net.DNSError); ok && !dnsErr.IsTimeout && !dnsErr.IsTemporary { + dnsErr, ok := err.(*net.DNSError) + if ok && !dnsErr.IsTimeout && !dnsErr.IsTemporary { // Timeouts and temporary errors should be communicated to gRPC to // attempt another DNS query (with backoff). Other errors should be // suppressed (they may represent the absence of a TXT record). @@ -307,10 +314,12 @@ func (d *dnsResolver) lookupTXT() *serviceconfig.ParseResult { res += s } - // TXT record must have "grpc_config=" attribute in order to be used as service config. + // TXT record must have "grpc_config=" attribute in order to be used as + // service config. if !strings.HasPrefix(res, txtAttribute) { logger.Warningf("dns: TXT record %v missing %v attribute", res, txtAttribute) - // This is not an error; it is the equivalent of not having a service config. + // This is not an error; it is the equivalent of not having a service + // config. return nil } sc := canaryingSC(strings.TrimPrefix(res, txtAttribute)) @@ -352,9 +361,10 @@ func (d *dnsResolver) lookup() (*resolver.State, error) { return &state, nil } -// formatIP returns ok = false if addr is not a valid textual representation of an IP address. -// If addr is an IPv4 address, return the addr and ok = true. -// If addr is an IPv6 address, return the addr enclosed in square brackets and ok = true. +// formatIP returns ok = false if addr is not a valid textual representation of +// an IP address. If addr is an IPv4 address, return the addr and ok = true. +// If addr is an IPv6 address, return the addr enclosed in square brackets and +// ok = true. func formatIP(addr string) (addrIP string, ok bool) { ip := net.ParseIP(addr) if ip == nil { @@ -366,10 +376,10 @@ func formatIP(addr string) (addrIP string, ok bool) { return "[" + addr + "]", true } -// parseTarget takes the user input target string and default port, returns formatted host and port info. -// If target doesn't specify a port, set the port to be the defaultPort. -// If target is in IPv6 format and host-name is enclosed in square brackets, brackets -// are stripped when setting the host. +// parseTarget takes the user input target string and default port, returns +// formatted host and port info. If target doesn't specify a port, set the port +// to be the defaultPort. If target is in IPv6 format and host-name is enclosed +// in square brackets, brackets are stripped when setting the host. // examples: // target: "www.google.com" defaultPort: "443" returns host: "www.google.com", port: "443" // target: "ipv4-host:80" defaultPort: "443" returns host: "ipv4-host", port: "80" @@ -385,12 +395,14 @@ func parseTarget(target, defaultPort string) (host, port string, err error) { } if host, port, err = net.SplitHostPort(target); err == nil { if port == "" { - // If the port field is empty (target ends with colon), e.g. "[::1]:", this is an error. + // If the port field is empty (target ends with colon), e.g. "[::1]:", + // this is an error. return "", "", errEndsWithColon } // target has port, i.e ipv4-host:port, [ipv6-host]:port, host-name:port if host == "" { - // Keep consistent with net.Dial(): If the host is empty, as in ":80", the local system is assumed. + // Keep consistent with net.Dial(): If the host is empty, as in ":80", + // the local system is assumed. host = "localhost" } return host, port, nil diff --git a/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go b/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go index 520d9229e..afac56572 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go +++ b/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go @@ -20,13 +20,20 @@ // name without scheme back to gRPC as resolved address. package passthrough -import "google.golang.org/grpc/resolver" +import ( + "errors" + + "google.golang.org/grpc/resolver" +) const scheme = "passthrough" type passthroughBuilder struct{} func (*passthroughBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions) (resolver.Resolver, error) { + if target.Endpoint() == "" && opts.Dialer == nil { + return nil, errors.New("passthrough: received empty target in Build()") + } r := &passthroughResolver{ target: target, cc: cc, @@ -45,7 +52,7 @@ type passthroughResolver struct { } func (r *passthroughResolver) start() { - r.cc.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: r.target.Endpoint}}}) + r.cc.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: r.target.Endpoint()}}}) } func (*passthroughResolver) ResolveNow(o resolver.ResolveNowOptions) {} diff --git a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go index 7f1a702ca..160911687 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go +++ b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go @@ -34,8 +34,8 @@ type builder struct { } func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolver.BuildOptions) (resolver.Resolver, error) { - if target.Authority != "" { - return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.Authority) + if target.URL.Host != "" { + return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.URL.Host) } // gRPC was parsing the dial target manually before PR #4817, and we diff --git a/vendor/google.golang.org/grpc/internal/serviceconfig/duration.go b/vendor/google.golang.org/grpc/internal/serviceconfig/duration.go new file mode 100644 index 000000000..11d82afcc --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/serviceconfig/duration.go @@ -0,0 +1,130 @@ +/* + * + * Copyright 2023 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package serviceconfig + +import ( + "encoding/json" + "fmt" + "math" + "strconv" + "strings" + "time" +) + +// Duration defines JSON marshal and unmarshal methods to conform to the +// protobuf JSON spec defined [here]. +// +// [here]: https://protobuf.dev/reference/protobuf/google.protobuf/#duration +type Duration time.Duration + +func (d Duration) String() string { + return fmt.Sprint(time.Duration(d)) +} + +// MarshalJSON converts from d to a JSON string output. +func (d Duration) MarshalJSON() ([]byte, error) { + ns := time.Duration(d).Nanoseconds() + sec := ns / int64(time.Second) + ns = ns % int64(time.Second) + + var sign string + if sec < 0 || ns < 0 { + sign, sec, ns = "-", -1*sec, -1*ns + } + + // Generated output always contains 0, 3, 6, or 9 fractional digits, + // depending on required precision. + str := fmt.Sprintf("%s%d.%09d", sign, sec, ns) + str = strings.TrimSuffix(str, "000") + str = strings.TrimSuffix(str, "000") + str = strings.TrimSuffix(str, ".000") + return []byte(fmt.Sprintf("\"%ss\"", str)), nil +} + +// UnmarshalJSON unmarshals b as a duration JSON string into d. +func (d *Duration) UnmarshalJSON(b []byte) error { + var s string + if err := json.Unmarshal(b, &s); err != nil { + return err + } + if !strings.HasSuffix(s, "s") { + return fmt.Errorf("malformed duration %q: missing seconds unit", s) + } + neg := false + if s[0] == '-' { + neg = true + s = s[1:] + } + ss := strings.SplitN(s[:len(s)-1], ".", 3) + if len(ss) > 2 { + return fmt.Errorf("malformed duration %q: too many decimals", s) + } + // hasDigits is set if either the whole or fractional part of the number is + // present, since both are optional but one is required. + hasDigits := false + var sec, ns int64 + if len(ss[0]) > 0 { + var err error + if sec, err = strconv.ParseInt(ss[0], 10, 64); err != nil { + return fmt.Errorf("malformed duration %q: %v", s, err) + } + // Maximum seconds value per the durationpb spec. + const maxProtoSeconds = 315_576_000_000 + if sec > maxProtoSeconds { + return fmt.Errorf("out of range: %q", s) + } + hasDigits = true + } + if len(ss) == 2 && len(ss[1]) > 0 { + if len(ss[1]) > 9 { + return fmt.Errorf("malformed duration %q: too many digits after decimal", s) + } + var err error + if ns, err = strconv.ParseInt(ss[1], 10, 64); err != nil { + return fmt.Errorf("malformed duration %q: %v", s, err) + } + for i := 9; i > len(ss[1]); i-- { + ns *= 10 + } + hasDigits = true + } + if !hasDigits { + return fmt.Errorf("malformed duration %q: contains no numbers", s) + } + + if neg { + sec *= -1 + ns *= -1 + } + + // Maximum/minimum seconds/nanoseconds representable by Go's time.Duration. + const maxSeconds = math.MaxInt64 / int64(time.Second) + const maxNanosAtMaxSeconds = math.MaxInt64 % int64(time.Second) + const minSeconds = math.MinInt64 / int64(time.Second) + const minNanosAtMinSeconds = math.MinInt64 % int64(time.Second) + + if sec > maxSeconds || (sec == maxSeconds && ns >= maxNanosAtMaxSeconds) { + *d = Duration(math.MaxInt64) + } else if sec < minSeconds || (sec == minSeconds && ns <= minNanosAtMinSeconds) { + *d = Duration(math.MinInt64) + } else { + *d = Duration(sec*int64(time.Second) + ns) + } + return nil +} diff --git a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go index 409769f48..be5a9c81e 100644 --- a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go +++ b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go @@ -22,6 +22,7 @@ import ( "bytes" "errors" "fmt" + "net" "runtime" "strconv" "sync" @@ -29,6 +30,7 @@ import ( "golang.org/x/net/http2" "golang.org/x/net/http2/hpack" + "google.golang.org/grpc/internal/grpclog" "google.golang.org/grpc/internal/grpcutil" "google.golang.org/grpc/status" ) @@ -191,7 +193,7 @@ type goAway struct { code http2.ErrCode debugData []byte headsUp bool - closeConn bool + closeConn error // if set, loopyWriter will exit, resulting in conn closure } func (*goAway) isTransportResponseFrame() bool { return false } @@ -209,6 +211,14 @@ type outFlowControlSizeRequest struct { func (*outFlowControlSizeRequest) isTransportResponseFrame() bool { return false } +// closeConnection is an instruction to tell the loopy writer to flush the +// framer and exit, which will cause the transport's connection to be closed +// (by the client or server). The transport itself will close after the reader +// encounters the EOF caused by the connection closure. +type closeConnection struct{} + +func (closeConnection) isTransportResponseFrame() bool { return false } + type outStreamState int const ( @@ -408,7 +418,7 @@ func (c *controlBuffer) get(block bool) (interface{}, error) { select { case <-c.ch: case <-c.done: - return nil, ErrConnClosing + return nil, errors.New("transport closed by client") } } } @@ -478,12 +488,14 @@ type loopyWriter struct { hEnc *hpack.Encoder // HPACK encoder. bdpEst *bdpEstimator draining bool + conn net.Conn + logger *grpclog.PrefixLogger // Side-specific handlers ssGoAwayHandler func(*goAway) (bool, error) } -func newLoopyWriter(s side, fr *framer, cbuf *controlBuffer, bdpEst *bdpEstimator) *loopyWriter { +func newLoopyWriter(s side, fr *framer, cbuf *controlBuffer, bdpEst *bdpEstimator, conn net.Conn, logger *grpclog.PrefixLogger) *loopyWriter { var buf bytes.Buffer l := &loopyWriter{ side: s, @@ -496,6 +508,8 @@ func newLoopyWriter(s side, fr *framer, cbuf *controlBuffer, bdpEst *bdpEstimato hBuf: &buf, hEnc: hpack.NewEncoder(&buf), bdpEst: bdpEst, + conn: conn, + logger: logger, } return l } @@ -513,23 +527,26 @@ const minBatchSize = 1000 // 2. Stream level flow control quota available. // // In each iteration of run loop, other than processing the incoming control -// frame, loopy calls processData, which processes one node from the activeStreams linked-list. -// This results in writing of HTTP2 frames into an underlying write buffer. -// When there's no more control frames to read from controlBuf, loopy flushes the write buffer. -// As an optimization, to increase the batch size for each flush, loopy yields the processor, once -// if the batch size is too low to give stream goroutines a chance to fill it up. +// frame, loopy calls processData, which processes one node from the +// activeStreams linked-list. This results in writing of HTTP2 frames into an +// underlying write buffer. When there's no more control frames to read from +// controlBuf, loopy flushes the write buffer. As an optimization, to increase +// the batch size for each flush, loopy yields the processor, once if the batch +// size is too low to give stream goroutines a chance to fill it up. +// +// Upon exiting, if the error causing the exit is not an I/O error, run() +// flushes and closes the underlying connection. Otherwise, the connection is +// left open to allow the I/O error to be encountered by the reader instead. func (l *loopyWriter) run() (err error) { defer func() { - if err == ErrConnClosing { - // Don't log ErrConnClosing as error since it happens - // 1. When the connection is closed by some other known issue. - // 2. User closed the connection. - // 3. A graceful close of connection. - if logger.V(logLevel) { - logger.Infof("transport: loopyWriter.run returning. %v", err) - } - err = nil + if l.logger.V(logLevel) { + l.logger.Infof("loopyWriter exiting with error: %v", err) } + if !isIOError(err) { + l.framer.writer.Flush() + l.conn.Close() + } + l.cbuf.finish() }() for { it, err := l.cbuf.get(true) @@ -574,7 +591,6 @@ func (l *loopyWriter) run() (err error) { } l.framer.writer.Flush() break hasdata - } } } @@ -583,11 +599,11 @@ func (l *loopyWriter) outgoingWindowUpdateHandler(w *outgoingWindowUpdate) error return l.framer.fr.WriteWindowUpdate(w.streamID, w.increment) } -func (l *loopyWriter) incomingWindowUpdateHandler(w *incomingWindowUpdate) error { +func (l *loopyWriter) incomingWindowUpdateHandler(w *incomingWindowUpdate) { // Otherwise update the quota. if w.streamID == 0 { l.sendQuota += w.increment - return nil + return } // Find the stream and update it. if str, ok := l.estdStreams[w.streamID]; ok { @@ -595,10 +611,9 @@ func (l *loopyWriter) incomingWindowUpdateHandler(w *incomingWindowUpdate) error if strQuota := int(l.oiws) - str.bytesOutStanding; strQuota > 0 && str.state == waitingOnStreamQuota { str.state = active l.activeStreams.enqueue(str) - return nil + return } } - return nil } func (l *loopyWriter) outgoingSettingsHandler(s *outgoingSettings) error { @@ -606,13 +621,11 @@ func (l *loopyWriter) outgoingSettingsHandler(s *outgoingSettings) error { } func (l *loopyWriter) incomingSettingsHandler(s *incomingSettings) error { - if err := l.applySettings(s.ss); err != nil { - return err - } + l.applySettings(s.ss) return l.framer.fr.WriteSettingsAck() } -func (l *loopyWriter) registerStreamHandler(h *registerStream) error { +func (l *loopyWriter) registerStreamHandler(h *registerStream) { str := &outStream{ id: h.streamID, state: empty, @@ -620,15 +633,14 @@ func (l *loopyWriter) registerStreamHandler(h *registerStream) error { wq: h.wq, } l.estdStreams[h.streamID] = str - return nil } func (l *loopyWriter) headerHandler(h *headerFrame) error { if l.side == serverSide { str, ok := l.estdStreams[h.streamID] if !ok { - if logger.V(logLevel) { - logger.Warningf("transport: loopy doesn't recognize the stream: %d", h.streamID) + if l.logger.V(logLevel) { + l.logger.Infof("Unrecognized streamID %d in loopyWriter", h.streamID) } return nil } @@ -655,19 +667,20 @@ func (l *loopyWriter) headerHandler(h *headerFrame) error { itl: &itemList{}, wq: h.wq, } - str.itl.enqueue(h) - return l.originateStream(str) + return l.originateStream(str, h) } -func (l *loopyWriter) originateStream(str *outStream) error { - hdr := str.itl.dequeue().(*headerFrame) - if err := hdr.initStream(str.id); err != nil { - if err == ErrConnClosing { - return err - } - // Other errors(errStreamDrain) need not close transport. +func (l *loopyWriter) originateStream(str *outStream, hdr *headerFrame) error { + // l.draining is set when handling GoAway. In which case, we want to avoid + // creating new streams. + if l.draining { + // TODO: provide a better error with the reason we are in draining. + hdr.onOrphaned(errStreamDrain) return nil } + if err := hdr.initStream(str.id); err != nil { + return err + } if err := l.writeHeader(str.id, hdr.endStream, hdr.hf, hdr.onWrite); err != nil { return err } @@ -682,8 +695,8 @@ func (l *loopyWriter) writeHeader(streamID uint32, endStream bool, hf []hpack.He l.hBuf.Reset() for _, f := range hf { if err := l.hEnc.WriteField(f); err != nil { - if logger.V(logLevel) { - logger.Warningf("transport: loopyWriter.writeHeader encountered error while encoding headers: %v", err) + if l.logger.V(logLevel) { + l.logger.Warningf("Encountered error while encoding headers: %v", err) } } } @@ -721,10 +734,10 @@ func (l *loopyWriter) writeHeader(streamID uint32, endStream bool, hf []hpack.He return nil } -func (l *loopyWriter) preprocessData(df *dataFrame) error { +func (l *loopyWriter) preprocessData(df *dataFrame) { str, ok := l.estdStreams[df.streamID] if !ok { - return nil + return } // If we got data for a stream it means that // stream was originated and the headers were sent out. @@ -733,7 +746,6 @@ func (l *loopyWriter) preprocessData(df *dataFrame) error { str.state = active l.activeStreams.enqueue(str) } - return nil } func (l *loopyWriter) pingHandler(p *ping) error { @@ -744,9 +756,8 @@ func (l *loopyWriter) pingHandler(p *ping) error { } -func (l *loopyWriter) outFlowControlSizeRequestHandler(o *outFlowControlSizeRequest) error { +func (l *loopyWriter) outFlowControlSizeRequestHandler(o *outFlowControlSizeRequest) { o.resp <- l.sendQuota - return nil } func (l *loopyWriter) cleanupStreamHandler(c *cleanupStream) error { @@ -763,8 +774,9 @@ func (l *loopyWriter) cleanupStreamHandler(c *cleanupStream) error { return err } } - if l.side == clientSide && l.draining && len(l.estdStreams) == 0 { - return ErrConnClosing + if l.draining && len(l.estdStreams) == 0 { + // Flush and close the connection; we are done with it. + return errors.New("finished processing active streams while in draining mode") } return nil } @@ -799,7 +811,8 @@ func (l *loopyWriter) incomingGoAwayHandler(*incomingGoAway) error { if l.side == clientSide { l.draining = true if len(l.estdStreams) == 0 { - return ErrConnClosing + // Flush and close the connection; we are done with it. + return errors.New("received GOAWAY with no active streams") } } return nil @@ -820,7 +833,7 @@ func (l *loopyWriter) goAwayHandler(g *goAway) error { func (l *loopyWriter) handle(i interface{}) error { switch i := i.(type) { case *incomingWindowUpdate: - return l.incomingWindowUpdateHandler(i) + l.incomingWindowUpdateHandler(i) case *outgoingWindowUpdate: return l.outgoingWindowUpdateHandler(i) case *incomingSettings: @@ -830,7 +843,7 @@ func (l *loopyWriter) handle(i interface{}) error { case *headerFrame: return l.headerHandler(i) case *registerStream: - return l.registerStreamHandler(i) + l.registerStreamHandler(i) case *cleanupStream: return l.cleanupStreamHandler(i) case *earlyAbortStream: @@ -838,19 +851,24 @@ func (l *loopyWriter) handle(i interface{}) error { case *incomingGoAway: return l.incomingGoAwayHandler(i) case *dataFrame: - return l.preprocessData(i) + l.preprocessData(i) case *ping: return l.pingHandler(i) case *goAway: return l.goAwayHandler(i) case *outFlowControlSizeRequest: - return l.outFlowControlSizeRequestHandler(i) + l.outFlowControlSizeRequestHandler(i) + case closeConnection: + // Just return a non-I/O error and run() will flush and close the + // connection. + return ErrConnClosing default: return fmt.Errorf("transport: unknown control message type %T", i) } + return nil } -func (l *loopyWriter) applySettings(ss []http2.Setting) error { +func (l *loopyWriter) applySettings(ss []http2.Setting) { for _, s := range ss { switch s.ID { case http2.SettingInitialWindowSize: @@ -869,7 +887,6 @@ func (l *loopyWriter) applySettings(ss []http2.Setting) error { updateHeaderTblSize(l.hEnc, s.Val) } } - return nil } // processData removes the first stream from active streams, writes out at most 16KB @@ -903,7 +920,7 @@ func (l *loopyWriter) processData() (bool, error) { return false, err } if err := l.cleanupStreamHandler(trailer.cleanup); err != nil { - return false, nil + return false, err } } else { l.activeStreams.enqueue(str) diff --git a/vendor/google.golang.org/grpc/internal/transport/defaults.go b/vendor/google.golang.org/grpc/internal/transport/defaults.go index 9fa306b2e..bc8ee0747 100644 --- a/vendor/google.golang.org/grpc/internal/transport/defaults.go +++ b/vendor/google.golang.org/grpc/internal/transport/defaults.go @@ -47,3 +47,9 @@ const ( defaultClientMaxHeaderListSize = uint32(16 << 20) defaultServerMaxHeaderListSize = uint32(16 << 20) ) + +// MaxStreamID is the upper bound for the stream ID before the current +// transport gracefully closes and new transport is created for subsequent RPCs. +// This is set to 75% of 2^31-1. Streams are identified with an unsigned 31-bit +// integer. It's exported so that tests can override it. +var MaxStreamID = uint32(math.MaxInt32 * 3 / 4) diff --git a/vendor/google.golang.org/grpc/internal/transport/handler_server.go b/vendor/google.golang.org/grpc/internal/transport/handler_server.go index fb272235d..98f80e3fa 100644 --- a/vendor/google.golang.org/grpc/internal/transport/handler_server.go +++ b/vendor/google.golang.org/grpc/internal/transport/handler_server.go @@ -39,6 +39,7 @@ import ( "golang.org/x/net/http2" "google.golang.org/grpc/codes" "google.golang.org/grpc/credentials" + "google.golang.org/grpc/internal/grpclog" "google.golang.org/grpc/internal/grpcutil" "google.golang.org/grpc/metadata" "google.golang.org/grpc/peer" @@ -46,24 +47,32 @@ import ( "google.golang.org/grpc/status" ) -// NewServerHandlerTransport returns a ServerTransport handling gRPC -// from inside an http.Handler. It requires that the http Server -// supports HTTP/2. +// NewServerHandlerTransport returns a ServerTransport handling gRPC from +// inside an http.Handler, or writes an HTTP error to w and returns an error. +// It requires that the http Server supports HTTP/2. func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats []stats.Handler) (ServerTransport, error) { if r.ProtoMajor != 2 { - return nil, errors.New("gRPC requires HTTP/2") + msg := "gRPC requires HTTP/2" + http.Error(w, msg, http.StatusBadRequest) + return nil, errors.New(msg) } if r.Method != "POST" { - return nil, errors.New("invalid gRPC request method") + msg := fmt.Sprintf("invalid gRPC request method %q", r.Method) + http.Error(w, msg, http.StatusBadRequest) + return nil, errors.New(msg) } contentType := r.Header.Get("Content-Type") // TODO: do we assume contentType is lowercase? we did before contentSubtype, validContentType := grpcutil.ContentSubtype(contentType) if !validContentType { - return nil, errors.New("invalid gRPC request content-type") + msg := fmt.Sprintf("invalid gRPC request content-type %q", contentType) + http.Error(w, msg, http.StatusUnsupportedMediaType) + return nil, errors.New(msg) } if _, ok := w.(http.Flusher); !ok { - return nil, errors.New("gRPC requires a ResponseWriter supporting http.Flusher") + msg := "gRPC requires a ResponseWriter supporting http.Flusher" + http.Error(w, msg, http.StatusInternalServerError) + return nil, errors.New(msg) } st := &serverHandlerTransport{ @@ -75,11 +84,14 @@ func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats []s contentSubtype: contentSubtype, stats: stats, } + st.logger = prefixLoggerForServerHandlerTransport(st) if v := r.Header.Get("grpc-timeout"); v != "" { to, err := decodeTimeout(v) if err != nil { - return nil, status.Errorf(codes.Internal, "malformed time-out: %v", err) + msg := fmt.Sprintf("malformed grpc-timeout: %v", err) + http.Error(w, msg, http.StatusBadRequest) + return nil, status.Error(codes.Internal, msg) } st.timeoutSet = true st.timeout = to @@ -97,7 +109,9 @@ func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats []s for _, v := range vv { v, err := decodeMetadataHeader(k, v) if err != nil { - return nil, status.Errorf(codes.Internal, "malformed binary metadata: %v", err) + msg := fmt.Sprintf("malformed binary metadata %q in header %q: %v", v, k, err) + http.Error(w, msg, http.StatusBadRequest) + return nil, status.Error(codes.Internal, msg) } metakv = append(metakv, k, v) } @@ -138,15 +152,19 @@ type serverHandlerTransport struct { // TODO make sure this is consistent across handler_server and http2_server contentSubtype string - stats []stats.Handler + stats []stats.Handler + logger *grpclog.PrefixLogger } -func (ht *serverHandlerTransport) Close() { - ht.closeOnce.Do(ht.closeCloseChanOnce) +func (ht *serverHandlerTransport) Close(err error) { + ht.closeOnce.Do(func() { + if ht.logger.V(logLevel) { + ht.logger.Infof("Closing: %v", err) + } + close(ht.closedCh) + }) } -func (ht *serverHandlerTransport) closeCloseChanOnce() { close(ht.closedCh) } - func (ht *serverHandlerTransport) RemoteAddr() net.Addr { return strAddr(ht.req.RemoteAddr) } // strAddr is a net.Addr backed by either a TCP "ip:port" string, or @@ -236,7 +254,7 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro }) } } - ht.Close() + ht.Close(errors.New("finished writing status")) return err } @@ -346,7 +364,7 @@ func (ht *serverHandlerTransport) HandleStreams(startStream func(*Stream), trace case <-ht.req.Context().Done(): } cancel() - ht.Close() + ht.Close(errors.New("request is done processing")) }() req := ht.req @@ -435,7 +453,7 @@ func (ht *serverHandlerTransport) IncrMsgSent() {} func (ht *serverHandlerTransport) IncrMsgRecv() {} -func (ht *serverHandlerTransport) Drain() { +func (ht *serverHandlerTransport) Drain(debugData string) { panic("Drain() is not implemented") } diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go index d518b07e1..326bf0848 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go @@ -38,6 +38,7 @@ import ( "google.golang.org/grpc/credentials" "google.golang.org/grpc/internal/channelz" icredentials "google.golang.org/grpc/internal/credentials" + "google.golang.org/grpc/internal/grpclog" "google.golang.org/grpc/internal/grpcsync" "google.golang.org/grpc/internal/grpcutil" imetadata "google.golang.org/grpc/internal/metadata" @@ -59,11 +60,15 @@ var clientConnectionCounter uint64 // http2Client implements the ClientTransport interface with HTTP2. type http2Client struct { - lastRead int64 // Keep this field 64-bit aligned. Accessed atomically. - ctx context.Context - cancel context.CancelFunc - ctxDone <-chan struct{} // Cache the ctx.Done() chan. - userAgent string + lastRead int64 // Keep this field 64-bit aligned. Accessed atomically. + ctx context.Context + cancel context.CancelFunc + ctxDone <-chan struct{} // Cache the ctx.Done() chan. + userAgent string + // address contains the resolver returned address for this transport. + // If the `ServerName` field is set, it takes precedence over `CallHdr.Host` + // passed to `NewStream`, when determining the :authority header. + address resolver.Address md metadata.MD conn net.Conn // underlying communication channel loopy *loopyWriter @@ -136,12 +141,12 @@ type http2Client struct { channelzID *channelz.Identifier czData *channelzData - onGoAway func(GoAwayReason) - onClose func() + onClose func(GoAwayReason) bufferPool *bufferPool connectionID uint64 + logger *grpclog.PrefixLogger } func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error), addr resolver.Address, useProxy bool, grpcUA string) (net.Conn, error) { @@ -193,7 +198,7 @@ func isTemporary(err error) bool { // newHTTP2Client constructs a connected ClientTransport to addr based on HTTP2 // and starts to receive messages on it. Non-nil error returns if construction // fails. -func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) { +func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onClose func(GoAwayReason)) (_ *http2Client, err error) { scheme := "http" ctx, cancel := context.WithCancel(ctx) defer func() { @@ -213,7 +218,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts if opts.FailOnNonTempDialError { return nil, connectionErrorf(isTemporary(err), err, "transport: error while dialing: %v", err) } - return nil, connectionErrorf(true, err, "transport: Error while dialing %v", err) + return nil, connectionErrorf(true, err, "transport: Error while dialing: %v", err) } // Any further errors will close the underlying connection @@ -238,8 +243,11 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts go func(conn net.Conn) { defer ctxMonitorDone.Fire() // Signal this goroutine has exited. <-newClientCtx.Done() // Block until connectCtx expires or the defer above executes. - if connectCtx.Err() != nil { + if err := connectCtx.Err(); err != nil { // connectCtx expired before exiting the function. Hard close the connection. + if logger.V(logLevel) { + logger.Infof("Aborting due to connect deadline expiring: %v", err) + } conn.Close() } }(conn) @@ -314,6 +322,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts cancel: cancel, userAgent: opts.UserAgent, registeredCompressors: grpcutil.RegisteredCompressors(), + address: addr, conn: conn, remoteAddr: conn.RemoteAddr(), localAddr: conn.LocalAddr(), @@ -335,11 +344,11 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts streamQuota: defaultMaxStreamsClient, streamsQuotaAvailable: make(chan struct{}, 1), czData: new(channelzData), - onGoAway: onGoAway, keepaliveEnabled: keepaliveEnabled, bufferPool: newBufferPool(), onClose: onClose, } + t.logger = prefixLoggerForClientTransport(t) // Add peer information to the http2client context. t.ctx = peer.NewContext(t.ctx, t.getPeer()) @@ -438,17 +447,8 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts return nil, err } go func() { - t.loopy = newLoopyWriter(clientSide, t.framer, t.controlBuf, t.bdpEst) - err := t.loopy.run() - if err != nil { - if logger.V(logLevel) { - logger.Errorf("transport: loopyWriter.run returning. Err: %v", err) - } - } - // Do not close the transport. Let reader goroutine handle it since - // there might be data in the buffers. - t.conn.Close() - t.controlBuf.finish() + t.loopy = newLoopyWriter(clientSide, t.framer, t.controlBuf, t.bdpEst, t.conn, t.logger) + t.loopy.run() close(t.writerDone) }() return t, nil @@ -702,6 +702,18 @@ func (e NewStreamError) Error() string { // streams. All non-nil errors returned will be *NewStreamError. func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, error) { ctx = peer.NewContext(ctx, t.getPeer()) + + // ServerName field of the resolver returned address takes precedence over + // Host field of CallHdr to determine the :authority header. This is because, + // the ServerName field takes precedence for server authentication during + // TLS handshake, and the :authority header should match the value used + // for server authentication. + if t.address.ServerName != "" { + newCallHdr := *callHdr + newCallHdr.Host = t.address.ServerName + callHdr = &newCallHdr + } + headerFields, err := t.createHeaderFields(ctx, callHdr) if err != nil { return nil, &NewStreamError{Err: err, AllowTransparentRetry: false} @@ -726,15 +738,12 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, endStream: false, initStream: func(id uint32) error { t.mu.Lock() - if state := t.state; state != reachable { + // TODO: handle transport closure in loopy instead and remove this + // initStream is never called when transport is draining. + if t.state == closing { t.mu.Unlock() - // Do a quick cleanup. - err := error(errStreamDrain) - if state == closing { - err = ErrConnClosing - } - cleanup(err) - return err + cleanup(ErrConnClosing) + return ErrConnClosing } if channelz.IsOn() { atomic.AddInt64(&t.czData.streamsStarted, 1) @@ -752,6 +761,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, } firstTry := true var ch chan struct{} + transportDrainRequired := false checkForStreamQuota := func(it interface{}) bool { if t.streamQuota <= 0 { // Can go negative if server decreases it. if firstTry { @@ -767,10 +777,15 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, h := it.(*headerFrame) h.streamID = t.nextID t.nextID += 2 + + // Drain client transport if nextID > MaxStreamID which signals gRPC that + // the connection is closed and a new one must be created for subsequent RPCs. + transportDrainRequired = t.nextID > MaxStreamID + s.id = h.streamID s.fc = &inFlow{limit: uint32(t.initialWindowSize)} t.mu.Lock() - if t.activeStreams == nil { // Can be niled from Close(). + if t.state == draining || t.activeStreams == nil { // Can be niled from Close(). t.mu.Unlock() return false // Don't create a stream if the transport is already closed. } @@ -846,6 +861,12 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, sh.HandleRPC(s.ctx, outHeader) } } + if transportDrainRequired { + if t.logger.V(logLevel) { + t.logger.Infof("Draining transport: t.nextID > MaxStreamID") + } + t.GracefulClose() + } return s, nil } @@ -934,9 +955,14 @@ func (t *http2Client) Close(err error) { t.mu.Unlock() return } + if t.logger.V(logLevel) { + t.logger.Infof("Closing: %v", err) + } // Call t.onClose ASAP to prevent the client from attempting to create new // streams. - t.onClose() + if t.state != draining { + t.onClose(GoAwayInvalid) + } t.state = closing streams := t.activeStreams t.activeStreams = nil @@ -986,11 +1012,15 @@ func (t *http2Client) GracefulClose() { t.mu.Unlock() return } + if t.logger.V(logLevel) { + t.logger.Infof("GracefulClose called") + } + t.onClose(GoAwayInvalid) t.state = draining active := len(t.activeStreams) t.mu.Unlock() if active == 0 { - t.Close(ErrConnClosing) + t.Close(connectionErrorf(true, nil, "no active streams left to process while draining")) return } t.controlBuf.put(&incomingGoAway{}) @@ -1147,8 +1177,8 @@ func (t *http2Client) handleRSTStream(f *http2.RSTStreamFrame) { } statusCode, ok := http2ErrConvTab[f.ErrCode] if !ok { - if logger.V(logLevel) { - logger.Warningf("transport: http2Client.handleRSTStream found no mapped gRPC status for the received http2 error %v", f.ErrCode) + if t.logger.V(logLevel) { + t.logger.Infof("Received a RST_STREAM frame with code %q, but found no mapped gRPC status", f.ErrCode) } statusCode = codes.Unknown } @@ -1230,10 +1260,12 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { t.mu.Unlock() return } - if f.ErrCode == http2.ErrCodeEnhanceYourCalm { - if logger.V(logLevel) { - logger.Infof("Client received GoAway with http2.ErrCodeEnhanceYourCalm.") - } + if f.ErrCode == http2.ErrCodeEnhanceYourCalm && string(f.DebugData()) == "too_many_pings" { + // When a client receives a GOAWAY with error code ENHANCE_YOUR_CALM and debug + // data equal to ASCII "too_many_pings", it should log the occurrence at a log level that is + // enabled by default and double the configure KEEPALIVE_TIME used for new connections + // on that channel. + logger.Errorf("Client received GoAway with error code ENHANCE_YOUR_CALM and debug data equal to ASCII \"too_many_pings\".") } id := f.LastStreamID if id > 0 && id%2 == 0 { @@ -1266,8 +1298,10 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { // Notify the clientconn about the GOAWAY before we set the state to // draining, to allow the client to stop attempting to create streams // before disallowing new streams on this connection. - t.onGoAway(t.goAwayReason) - t.state = draining + if t.state != draining { + t.onClose(t.goAwayReason) + t.state = draining + } } // All streams with IDs greater than the GoAwayId // and smaller than the previous GoAway ID should be killed. @@ -1303,7 +1337,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { // setGoAwayReason sets the value of t.goAwayReason based // on the GoAway frame received. -// It expects a lock on transport's mutext to be held by +// It expects a lock on transport's mutex to be held by // the caller. func (t *http2Client) setGoAwayReason(f *http2.GoAwayFrame) { t.goAwayReason = GoAwayNoReason @@ -1756,3 +1790,9 @@ func (t *http2Client) getOutFlowWindow() int64 { return -2 } } + +func (t *http2Client) stateForTesting() transportState { + t.mu.Lock() + defer t.mu.Unlock() + return t.state +} diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go index 3dd15647b..f96064012 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go @@ -21,6 +21,7 @@ package transport import ( "bytes" "context" + "errors" "fmt" "io" "math" @@ -34,13 +35,16 @@ import ( "github.com/golang/protobuf/proto" "golang.org/x/net/http2" "golang.org/x/net/http2/hpack" + "google.golang.org/grpc/internal/grpclog" "google.golang.org/grpc/internal/grpcutil" + "google.golang.org/grpc/internal/pretty" "google.golang.org/grpc/internal/syscall" "google.golang.org/grpc/codes" "google.golang.org/grpc/credentials" "google.golang.org/grpc/internal/channelz" "google.golang.org/grpc/internal/grpcrand" + "google.golang.org/grpc/internal/grpcsync" "google.golang.org/grpc/keepalive" "google.golang.org/grpc/metadata" "google.golang.org/grpc/peer" @@ -101,13 +105,13 @@ type http2Server struct { mu sync.Mutex // guard the following - // drainChan is initialized when Drain() is called the first time. - // After which the server writes out the first GoAway(with ID 2^31-1) frame. - // Then an independent goroutine will be launched to later send the second GoAway. - // During this time we don't want to write another first GoAway(with ID 2^31 -1) frame. - // Thus call to Drain() will be a no-op if drainChan is already initialized since draining is - // already underway. - drainChan chan struct{} + // drainEvent is initialized when Drain() is called the first time. After + // which the server writes out the first GoAway(with ID 2^31-1) frame. Then + // an independent goroutine will be launched to later send the second + // GoAway. During this time we don't want to write another first GoAway(with + // ID 2^31 -1) frame. Thus call to Drain() will be a no-op if drainEvent is + // already initialized since draining is already underway. + drainEvent *grpcsync.Event state transportState activeStreams map[uint32]*Stream // idle is the time instant when the connection went idle. @@ -127,6 +131,8 @@ type http2Server struct { // This lock may not be taken if mu is already held. maxStreamMu sync.Mutex maxStreamID uint32 // max stream ID ever seen + + logger *grpclog.PrefixLogger } // NewServerTransport creates a http2 transport with conn and configuration @@ -232,7 +238,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, kp.Timeout = defaultServerKeepaliveTimeout } if kp.Time != infinity { - if err = syscall.SetTCPUserTimeout(conn, kp.Timeout); err != nil { + if err = syscall.SetTCPUserTimeout(rawConn, kp.Timeout); err != nil { return nil, connectionErrorf(false, err, "transport: failed to set TCP_USER_TIMEOUT: %v", err) } } @@ -265,6 +271,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, czData: new(channelzData), bufferPool: newBufferPool(), } + t.logger = prefixLoggerForServerTransport(t) // Add peer information to the http2server context. t.ctx = peer.NewContext(t.ctx, t.getPeer()) @@ -293,7 +300,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, defer func() { if err != nil { - t.Close() + t.Close(err) } }() @@ -329,23 +336,18 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, t.handleSettings(sf) go func() { - t.loopy = newLoopyWriter(serverSide, t.framer, t.controlBuf, t.bdpEst) + t.loopy = newLoopyWriter(serverSide, t.framer, t.controlBuf, t.bdpEst, t.conn, t.logger) t.loopy.ssGoAwayHandler = t.outgoingGoAwayHandler - if err := t.loopy.run(); err != nil { - if logger.V(logLevel) { - logger.Errorf("transport: loopyWriter.run returning. Err: %v", err) - } - } - t.conn.Close() - t.controlBuf.finish() + t.loopy.run() close(t.writerDone) }() go t.keepalive() return t, nil } -// operateHeader takes action on the decoded headers. -func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(*Stream), traceCtx func(context.Context, string) context.Context) (fatal bool) { +// operateHeaders takes action on the decoded headers. Returns an error if fatal +// error encountered and transport needs to close, otherwise returns nil. +func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(*Stream), traceCtx func(context.Context, string) context.Context) error { // Acquire max stream ID lock for entire duration t.maxStreamMu.Lock() defer t.maxStreamMu.Unlock() @@ -361,15 +363,12 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( rstCode: http2.ErrCodeFrameSize, onWrite: func() {}, }) - return false + return nil } if streamID%2 != 1 || streamID <= t.maxStreamID { // illegal gRPC stream id. - if logger.V(logLevel) { - logger.Errorf("transport: http2Server.HandleStreams received an illegal stream id: %v", streamID) - } - return true + return fmt.Errorf("received an illegal stream id: %v. headers frame: %+v", streamID, frame) } t.maxStreamID = streamID @@ -381,13 +380,14 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( fc: &inFlow{limit: uint32(t.initialWindowSize)}, } var ( - // If a gRPC Response-Headers has already been received, then it means - // that the peer is speaking gRPC and we are in gRPC mode. - isGRPC = false - mdata = make(map[string][]string) - httpMethod string - // headerError is set if an error is encountered while parsing the headers - headerError bool + // if false, content-type was missing or invalid + isGRPC = false + contentType = "" + mdata = make(metadata.MD, len(frame.Fields)) + httpMethod string + // these are set if an error is encountered while parsing the headers + protocolError bool + headerError *status.Status timeoutSet bool timeout time.Duration @@ -398,11 +398,23 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( case "content-type": contentSubtype, validContentType := grpcutil.ContentSubtype(hf.Value) if !validContentType { + contentType = hf.Value break } mdata[hf.Name] = append(mdata[hf.Name], hf.Value) s.contentSubtype = contentSubtype isGRPC = true + + case "grpc-accept-encoding": + mdata[hf.Name] = append(mdata[hf.Name], hf.Value) + if hf.Value == "" { + continue + } + compressors := hf.Value + if s.clientAdvertisedCompressors != "" { + compressors = s.clientAdvertisedCompressors + "," + compressors + } + s.clientAdvertisedCompressors = compressors case "grpc-encoding": s.recvCompress = hf.Value case ":method": @@ -413,23 +425,23 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( timeoutSet = true var err error if timeout, err = decodeTimeout(hf.Value); err != nil { - headerError = true + headerError = status.Newf(codes.Internal, "malformed grpc-timeout: %v", err) } // "Transports must consider requests containing the Connection header // as malformed." - A41 case "connection": - if logger.V(logLevel) { - logger.Errorf("transport: http2Server.operateHeaders parsed a :connection header which makes a request malformed as per the HTTP/2 spec") + if t.logger.V(logLevel) { + t.logger.Infof("Received a HEADERS frame with a :connection header which makes the request malformed, as per the HTTP/2 spec") } - headerError = true + protocolError = true default: if isReservedHeader(hf.Name) && !isWhitelistedHeader(hf.Name) { break } v, err := decodeMetadataHeader(hf.Name, hf.Value) if err != nil { - headerError = true - logger.Warningf("Failed to decode metadata header (%q, %q): %v", hf.Name, hf.Value, err) + headerError = status.Newf(codes.Internal, "malformed binary metadata %q in header %q: %v", hf.Value, hf.Name, err) + t.logger.Warningf("Failed to decode metadata header (%q, %q): %v", hf.Name, hf.Value, err) break } mdata[hf.Name] = append(mdata[hf.Name], v) @@ -443,27 +455,47 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( // error, this takes precedence over a client not speaking gRPC. if len(mdata[":authority"]) > 1 || len(mdata["host"]) > 1 { errMsg := fmt.Sprintf("num values of :authority: %v, num values of host: %v, both must only have 1 value as per HTTP/2 spec", len(mdata[":authority"]), len(mdata["host"])) - if logger.V(logLevel) { - logger.Errorf("transport: %v", errMsg) + if t.logger.V(logLevel) { + t.logger.Infof("Aborting the stream early: %v", errMsg) } t.controlBuf.put(&earlyAbortStream{ - httpStatus: 400, + httpStatus: http.StatusBadRequest, streamID: streamID, contentSubtype: s.contentSubtype, status: status.New(codes.Internal, errMsg), rst: !frame.StreamEnded(), }) - return false + return nil } - if !isGRPC || headerError { + if protocolError { t.controlBuf.put(&cleanupStream{ streamID: streamID, rst: true, rstCode: http2.ErrCodeProtocol, onWrite: func() {}, }) - return false + return nil + } + if !isGRPC { + t.controlBuf.put(&earlyAbortStream{ + httpStatus: http.StatusUnsupportedMediaType, + streamID: streamID, + contentSubtype: s.contentSubtype, + status: status.Newf(codes.InvalidArgument, "invalid gRPC request content-type %q", contentType), + rst: !frame.StreamEnded(), + }) + return nil + } + if headerError != nil { + t.controlBuf.put(&earlyAbortStream{ + httpStatus: http.StatusBadRequest, + streamID: streamID, + contentSubtype: s.contentSubtype, + status: headerError, + rst: !frame.StreamEnded(), + }) + return nil } // "If :authority is missing, Host must be renamed to :authority." - A41 @@ -503,7 +535,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( if t.state != reachable { t.mu.Unlock() s.cancel() - return false + return nil } if uint32(len(t.activeStreams)) >= t.maxStreams { t.mu.Unlock() @@ -514,13 +546,13 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( onWrite: func() {}, }) s.cancel() - return false + return nil } if httpMethod != http.MethodPost { t.mu.Unlock() - errMsg := fmt.Sprintf("http2Server.operateHeaders parsed a :method field: %v which should be POST", httpMethod) - if logger.V(logLevel) { - logger.Infof("transport: %v", errMsg) + errMsg := fmt.Sprintf("Received a HEADERS frame with :method %q which should be POST", httpMethod) + if t.logger.V(logLevel) { + t.logger.Infof("Aborting the stream early: %v", errMsg) } t.controlBuf.put(&earlyAbortStream{ httpStatus: 405, @@ -530,14 +562,14 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( rst: !frame.StreamEnded(), }) s.cancel() - return false + return nil } if t.inTapHandle != nil { var err error if s.ctx, err = t.inTapHandle(s.ctx, &tap.Info{FullMethodName: s.method}); err != nil { t.mu.Unlock() - if logger.V(logLevel) { - logger.Infof("transport: http2Server.operateHeaders got an error from InTapHandle: %v", err) + if t.logger.V(logLevel) { + t.logger.Infof("Aborting the stream early due to InTapHandle failure: %v", err) } stat, ok := status.FromError(err) if !ok { @@ -550,7 +582,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( status: stat, rst: !frame.StreamEnded(), }) - return false + return nil } } t.activeStreams[streamID] = s @@ -574,7 +606,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( LocalAddr: t.localAddr, Compression: s.recvCompress, WireLength: int(frame.Header().Length), - Header: metadata.MD(mdata).Copy(), + Header: mdata.Copy(), } sh.HandleRPC(s.ctx, inHeader) } @@ -597,7 +629,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( wq: s.wq, }) handle(s) - return false + return nil } // HandleStreams receives incoming streams using the given handler. This is @@ -611,8 +643,8 @@ func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context. atomic.StoreInt64(&t.lastRead, time.Now().UnixNano()) if err != nil { if se, ok := err.(http2.StreamError); ok { - if logger.V(logLevel) { - logger.Warningf("transport: http2Server.HandleStreams encountered http2.StreamError: %v", se) + if t.logger.V(logLevel) { + t.logger.Warningf("Encountered http2.StreamError: %v", se) } t.mu.Lock() s := t.activeStreams[se.StreamID] @@ -630,19 +662,16 @@ func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context. continue } if err == io.EOF || err == io.ErrUnexpectedEOF { - t.Close() + t.Close(err) return } - if logger.V(logLevel) { - logger.Warningf("transport: http2Server.HandleStreams failed to read frame: %v", err) - } - t.Close() + t.Close(err) return } switch frame := frame.(type) { case *http2.MetaHeadersFrame: - if t.operateHeaders(frame, handle, traceCtx) { - t.Close() + if err := t.operateHeaders(frame, handle, traceCtx); err != nil { + t.Close(err) break } case *http2.DataFrame: @@ -658,8 +687,8 @@ func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context. case *http2.GoAwayFrame: // TODO: Handle GoAway from the client appropriately. default: - if logger.V(logLevel) { - logger.Errorf("transport: http2Server.HandleStreams found unhandled frame type %v.", frame) + if t.logger.V(logLevel) { + t.logger.Infof("Received unsupported frame type %T", frame) } } } @@ -843,8 +872,8 @@ const ( func (t *http2Server) handlePing(f *http2.PingFrame) { if f.IsAck() { - if f.Data == goAwayPing.data && t.drainChan != nil { - close(t.drainChan) + if f.Data == goAwayPing.data && t.drainEvent != nil { + t.drainEvent.Fire() return } // Maybe it's a BDP ping. @@ -886,10 +915,7 @@ func (t *http2Server) handlePing(f *http2.PingFrame) { if t.pingStrikes > maxPingStrikes { // Send goaway and close the connection. - if logger.V(logLevel) { - logger.Errorf("transport: Got too many pings from the client, closing the connection.") - } - t.controlBuf.put(&goAway{code: http2.ErrCodeEnhanceYourCalm, debugData: []byte("too_many_pings"), closeConn: true}) + t.controlBuf.put(&goAway{code: http2.ErrCodeEnhanceYourCalm, debugData: []byte("too_many_pings"), closeConn: errors.New("got too many pings from the client")}) } } @@ -921,8 +947,8 @@ func (t *http2Server) checkForHeaderListSize(it interface{}) bool { var sz int64 for _, f := range hdrFrame.hf { if sz += int64(f.Size()); sz > int64(*t.maxSendHeaderListSize) { - if logger.V(logLevel) { - logger.Errorf("header list size to send violates the maximum size (%d bytes) set by client", *t.maxSendHeaderListSize) + if t.logger.V(logLevel) { + t.logger.Infof("Header list size to send violates the maximum size (%d bytes) set by client", *t.maxSendHeaderListSize) } return false } @@ -1035,7 +1061,7 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error { stBytes, err := proto.Marshal(p) if err != nil { // TODO: return error instead, when callers are able to handle it. - logger.Errorf("transport: failed to marshal rpc status: %v, error: %v", p, err) + t.logger.Errorf("Failed to marshal rpc status: %s, error: %v", pretty.ToJSON(p), err) } else { headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-status-details-bin", Value: encodeBinHeader(stBytes)}) } @@ -1140,20 +1166,20 @@ func (t *http2Server) keepalive() { if val <= 0 { // The connection has been idle for a duration of keepalive.MaxConnectionIdle or more. // Gracefully close the connection. - t.Drain() + t.Drain("max_idle") return } idleTimer.Reset(val) case <-ageTimer.C: - t.Drain() + t.Drain("max_age") ageTimer.Reset(t.kp.MaxConnectionAgeGrace) select { case <-ageTimer.C: // Close the connection after grace period. - if logger.V(logLevel) { - logger.Infof("transport: closing server transport due to maximum connection age.") + if t.logger.V(logLevel) { + t.logger.Infof("Closing server transport due to maximum connection age") } - t.Close() + t.controlBuf.put(closeConnection{}) case <-t.done: } return @@ -1169,10 +1195,7 @@ func (t *http2Server) keepalive() { continue } if outstandingPing && kpTimeoutLeft <= 0 { - if logger.V(logLevel) { - logger.Infof("transport: closing server transport due to idleness.") - } - t.Close() + t.Close(fmt.Errorf("keepalive ping not acked within timeout %s", t.kp.Time)) return } if !outstandingPing { @@ -1199,20 +1222,23 @@ func (t *http2Server) keepalive() { // Close starts shutting down the http2Server transport. // TODO(zhaoq): Now the destruction is not blocked on any pending streams. This // could cause some resource issue. Revisit this later. -func (t *http2Server) Close() { +func (t *http2Server) Close(err error) { t.mu.Lock() if t.state == closing { t.mu.Unlock() return } + if t.logger.V(logLevel) { + t.logger.Infof("Closing: %v", err) + } t.state = closing streams := t.activeStreams t.activeStreams = nil t.mu.Unlock() t.controlBuf.finish() close(t.done) - if err := t.conn.Close(); err != nil && logger.V(logLevel) { - logger.Infof("transport: error closing conn during Close: %v", err) + if err := t.conn.Close(); err != nil && t.logger.V(logLevel) { + t.logger.Infof("Error closing underlying net.Conn during Close: %v", err) } channelz.RemoveEntry(t.channelzID) // Cancel all active streams. @@ -1292,14 +1318,14 @@ func (t *http2Server) RemoteAddr() net.Addr { return t.remoteAddr } -func (t *http2Server) Drain() { +func (t *http2Server) Drain(debugData string) { t.mu.Lock() defer t.mu.Unlock() - if t.drainChan != nil { + if t.drainEvent != nil { return } - t.drainChan = make(chan struct{}) - t.controlBuf.put(&goAway{code: http2.ErrCodeNo, debugData: []byte{}, headsUp: true}) + t.drainEvent = grpcsync.NewEvent() + t.controlBuf.put(&goAway{code: http2.ErrCodeNo, debugData: []byte(debugData), headsUp: true}) } var goAwayPing = &ping{data: [8]byte{1, 6, 1, 8, 0, 3, 3, 9}} @@ -1319,19 +1345,17 @@ func (t *http2Server) outgoingGoAwayHandler(g *goAway) (bool, error) { // Stop accepting more streams now. t.state = draining sid := t.maxStreamID + retErr := g.closeConn if len(t.activeStreams) == 0 { - g.closeConn = true + retErr = errors.New("second GOAWAY written and no active streams left to process") } t.mu.Unlock() t.maxStreamMu.Unlock() if err := t.framer.fr.WriteGoAway(sid, g.code, g.debugData); err != nil { return false, err } - if g.closeConn { - // Abruptly close the connection following the GoAway (via - // loopywriter). But flush out what's inside the buffer first. - t.framer.writer.Flush() - return false, fmt.Errorf("transport: Connection closing") + if retErr != nil { + return false, retErr } return true, nil } @@ -1343,7 +1367,7 @@ func (t *http2Server) outgoingGoAwayHandler(g *goAway) (bool, error) { // originated before the GoAway reaches the client. // After getting the ack or timer expiration send out another GoAway this // time with an ID of the max stream server intends to process. - if err := t.framer.fr.WriteGoAway(math.MaxUint32, http2.ErrCodeNo, []byte{}); err != nil { + if err := t.framer.fr.WriteGoAway(math.MaxUint32, http2.ErrCodeNo, g.debugData); err != nil { return false, err } if err := t.framer.fr.WritePing(false, goAwayPing.data); err != nil { @@ -1353,7 +1377,7 @@ func (t *http2Server) outgoingGoAwayHandler(g *goAway) (bool, error) { timer := time.NewTimer(time.Minute) defer timer.Stop() select { - case <-t.drainChan: + case <-t.drainEvent.Done(): case <-timer.C: case <-t.done: return diff --git a/vendor/google.golang.org/grpc/internal/transport/http_util.go b/vendor/google.golang.org/grpc/internal/transport/http_util.go index 2c601a864..19cbb18f5 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http_util.go +++ b/vendor/google.golang.org/grpc/internal/transport/http_util.go @@ -21,6 +21,7 @@ package transport import ( "bufio" "encoding/base64" + "errors" "fmt" "io" "math" @@ -37,7 +38,6 @@ import ( "golang.org/x/net/http2/hpack" spb "google.golang.org/genproto/googleapis/rpc/status" "google.golang.org/grpc/codes" - "google.golang.org/grpc/grpclog" "google.golang.org/grpc/status" ) @@ -85,7 +85,6 @@ var ( // 504 Gateway timeout - UNAVAILABLE. http.StatusGatewayTimeout: codes.Unavailable, } - logger = grpclog.Component("transport") ) // isReservedHeader checks whether hdr belongs to HTTP2 headers @@ -330,7 +329,8 @@ func (w *bufWriter) Write(b []byte) (n int, err error) { return 0, w.err } if w.batchSize == 0 { // Buffer has been disabled. - return w.conn.Write(b) + n, err = w.conn.Write(b) + return n, toIOError(err) } for len(b) > 0 { nn := copy(w.buf[w.offset:], b) @@ -352,10 +352,30 @@ func (w *bufWriter) Flush() error { return nil } _, w.err = w.conn.Write(w.buf[:w.offset]) + w.err = toIOError(w.err) w.offset = 0 return w.err } +type ioError struct { + error +} + +func (i ioError) Unwrap() error { + return i.error +} + +func isIOError(err error) bool { + return errors.As(err, &ioError{}) +} + +func toIOError(err error) error { + if err == nil { + return nil + } + return ioError{error: err} +} + type framer struct { writer *bufWriter fr *http2.Framer diff --git a/vendor/google.golang.org/grpc/internal/transport/logging.go b/vendor/google.golang.org/grpc/internal/transport/logging.go new file mode 100644 index 000000000..42ed2b07a --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/transport/logging.go @@ -0,0 +1,40 @@ +/* + * + * Copyright 2023 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package transport + +import ( + "fmt" + + "google.golang.org/grpc/grpclog" + internalgrpclog "google.golang.org/grpc/internal/grpclog" +) + +var logger = grpclog.Component("transport") + +func prefixLoggerForServerTransport(p *http2Server) *internalgrpclog.PrefixLogger { + return internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf("[server-transport %p] ", p)) +} + +func prefixLoggerForServerHandlerTransport(p *serverHandlerTransport) *internalgrpclog.PrefixLogger { + return internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf("[server-handler-transport %p] ", p)) +} + +func prefixLoggerForClientTransport(p *http2Client) *internalgrpclog.PrefixLogger { + return internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf("[client-transport %p] ", p)) +} diff --git a/vendor/google.golang.org/grpc/internal/transport/transport.go b/vendor/google.golang.org/grpc/internal/transport/transport.go index 2e615ee20..aa1c89659 100644 --- a/vendor/google.golang.org/grpc/internal/transport/transport.go +++ b/vendor/google.golang.org/grpc/internal/transport/transport.go @@ -257,6 +257,9 @@ type Stream struct { fc *inFlow wq *writeQuota + // Holds compressor names passed in grpc-accept-encoding metadata from the + // client. This is empty for the client side stream. + clientAdvertisedCompressors string // Callback to state application's intentions to read data. This // is used to adjust flow control, if needed. requestRead func(int) @@ -345,8 +348,24 @@ func (s *Stream) RecvCompress() string { } // SetSendCompress sets the compression algorithm to the stream. -func (s *Stream) SetSendCompress(str string) { - s.sendCompress = str +func (s *Stream) SetSendCompress(name string) error { + if s.isHeaderSent() || s.getState() == streamDone { + return errors.New("transport: set send compressor called after headers sent or stream done") + } + + s.sendCompress = name + return nil +} + +// SendCompress returns the send compressor name. +func (s *Stream) SendCompress() string { + return s.sendCompress +} + +// ClientAdvertisedCompressors returns the compressor names advertised by the +// client via grpc-accept-encoding header. +func (s *Stream) ClientAdvertisedCompressors() string { + return s.clientAdvertisedCompressors } // Done returns a channel which is closed when it receives the final status @@ -583,8 +602,8 @@ type ConnectOptions struct { // NewClientTransport establishes the transport with the required ConnectOptions // and returns it to the caller. -func NewClientTransport(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) { - return newHTTP2Client(connectCtx, ctx, addr, opts, onGoAway, onClose) +func NewClientTransport(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onClose func(GoAwayReason)) (ClientTransport, error) { + return newHTTP2Client(connectCtx, ctx, addr, opts, onClose) } // Options provides additional hints and information for message @@ -701,13 +720,13 @@ type ServerTransport interface { // Close tears down the transport. Once it is called, the transport // should not be accessed any more. All the pending streams and their // handlers will be terminated asynchronously. - Close() + Close(err error) // RemoteAddr returns the remote network address. RemoteAddr() net.Addr // Drain notifies the client this ServerTransport stops accepting new RPCs. - Drain() + Drain(debugData string) // IncrMsgSent increments the number of message sent through this transport. IncrMsgSent() diff --git a/vendor/google.golang.org/grpc/metadata/metadata.go b/vendor/google.golang.org/grpc/metadata/metadata.go index fb4a88f59..a2cdcaf12 100644 --- a/vendor/google.golang.org/grpc/metadata/metadata.go +++ b/vendor/google.golang.org/grpc/metadata/metadata.go @@ -91,7 +91,11 @@ func (md MD) Len() int { // Copy returns a copy of md. func (md MD) Copy() MD { - return Join(md) + out := make(MD, len(md)) + for k, v := range md { + out[k] = copyOf(v) + } + return out } // Get obtains the values for a given key. @@ -171,8 +175,11 @@ func AppendToOutgoingContext(ctx context.Context, kv ...string) context.Context md, _ := ctx.Value(mdOutgoingKey{}).(rawMD) added := make([][]string, len(md.added)+1) copy(added, md.added) - added[len(added)-1] = make([]string, len(kv)) - copy(added[len(added)-1], kv) + kvCopy := make([]string, 0, len(kv)) + for i := 0; i < len(kv); i += 2 { + kvCopy = append(kvCopy, strings.ToLower(kv[i]), kv[i+1]) + } + added[len(added)-1] = kvCopy return context.WithValue(ctx, mdOutgoingKey{}, rawMD{md: md.md, added: added}) } diff --git a/vendor/google.golang.org/grpc/picker_wrapper.go b/vendor/google.golang.org/grpc/picker_wrapper.go index a5d5516ee..02f975951 100644 --- a/vendor/google.golang.org/grpc/picker_wrapper.go +++ b/vendor/google.golang.org/grpc/picker_wrapper.go @@ -36,6 +36,7 @@ import ( type pickerWrapper struct { mu sync.Mutex done bool + idle bool blockingCh chan struct{} picker balancer.Picker } @@ -47,7 +48,11 @@ func newPickerWrapper() *pickerWrapper { // updatePicker is called by UpdateBalancerState. It unblocks all blocked pick. func (pw *pickerWrapper) updatePicker(p balancer.Picker) { pw.mu.Lock() - if pw.done { + if pw.done || pw.idle { + // There is a small window where a picker update from the LB policy can + // race with the channel going to idle mode. If the picker is idle here, + // it is because the channel asked it to do so, and therefore it is sage + // to ignore the update from the LB policy. pw.mu.Unlock() return } @@ -58,12 +63,16 @@ func (pw *pickerWrapper) updatePicker(p balancer.Picker) { pw.mu.Unlock() } -func doneChannelzWrapper(acw *acBalancerWrapper, done func(balancer.DoneInfo)) func(balancer.DoneInfo) { - acw.mu.Lock() - ac := acw.ac - acw.mu.Unlock() +// doneChannelzWrapper performs the following: +// - increments the calls started channelz counter +// - wraps the done function in the passed in result to increment the calls +// failed or calls succeeded channelz counter before invoking the actual +// done function. +func doneChannelzWrapper(acbw *acBalancerWrapper, result *balancer.PickResult) { + ac := acbw.ac ac.incrCallsStarted() - return func(b balancer.DoneInfo) { + done := result.Done + result.Done = func(b balancer.DoneInfo) { if b.Err != nil && b.Err != io.EOF { ac.incrCallsFailed() } else { @@ -82,7 +91,7 @@ func doneChannelzWrapper(acw *acBalancerWrapper, done func(balancer.DoneInfo)) f // - the current picker returns other errors and failfast is false. // - the subConn returned by the current picker is not READY // When one of these situations happens, pick blocks until the picker gets updated. -func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.PickInfo) (transport.ClientTransport, func(balancer.DoneInfo), error) { +func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.PickInfo) (transport.ClientTransport, balancer.PickResult, error) { var ch chan struct{} var lastPickErr error @@ -90,7 +99,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. pw.mu.Lock() if pw.done { pw.mu.Unlock() - return nil, nil, ErrClientConnClosing + return nil, balancer.PickResult{}, ErrClientConnClosing } if pw.picker == nil { @@ -111,9 +120,9 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. } switch ctx.Err() { case context.DeadlineExceeded: - return nil, nil, status.Error(codes.DeadlineExceeded, errStr) + return nil, balancer.PickResult{}, status.Error(codes.DeadlineExceeded, errStr) case context.Canceled: - return nil, nil, status.Error(codes.Canceled, errStr) + return nil, balancer.PickResult{}, status.Error(codes.Canceled, errStr) } case <-ch: } @@ -125,7 +134,6 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. pw.mu.Unlock() pickResult, err := p.Pick(info) - if err != nil { if err == balancer.ErrNoSubConnAvailable { continue @@ -136,7 +144,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. if istatus.IsRestrictedControlPlaneCode(st) { err = status.Errorf(codes.Internal, "received picker error with illegal status: %v", err) } - return nil, nil, dropError{error: err} + return nil, balancer.PickResult{}, dropError{error: err} } // For all other errors, wait for ready RPCs should block and other // RPCs should fail with unavailable. @@ -144,19 +152,20 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. lastPickErr = err continue } - return nil, nil, status.Error(codes.Unavailable, err.Error()) + return nil, balancer.PickResult{}, status.Error(codes.Unavailable, err.Error()) } - acw, ok := pickResult.SubConn.(*acBalancerWrapper) + acbw, ok := pickResult.SubConn.(*acBalancerWrapper) if !ok { logger.Errorf("subconn returned from pick is type %T, not *acBalancerWrapper", pickResult.SubConn) continue } - if t := acw.getAddrConn().getReadyTransport(); t != nil { + if t := acbw.ac.getReadyTransport(); t != nil { if channelz.IsOn() { - return t, doneChannelzWrapper(acw, pickResult.Done), nil + doneChannelzWrapper(acbw, &pickResult) + return t, pickResult, nil } - return t, pickResult.Done, nil + return t, pickResult, nil } if pickResult.Done != nil { // Calling done with nil error, no bytes sent and no bytes received. @@ -181,6 +190,25 @@ func (pw *pickerWrapper) close() { close(pw.blockingCh) } +func (pw *pickerWrapper) enterIdleMode() { + pw.mu.Lock() + defer pw.mu.Unlock() + if pw.done { + return + } + pw.idle = true +} + +func (pw *pickerWrapper) exitIdleMode() { + pw.mu.Lock() + defer pw.mu.Unlock() + if pw.done { + return + } + pw.blockingCh = make(chan struct{}) + pw.idle = false +} + // dropError is a wrapper error that indicates the LB policy wishes to drop the // RPC and not retry it. type dropError struct { diff --git a/vendor/google.golang.org/grpc/pickfirst.go b/vendor/google.golang.org/grpc/pickfirst.go index fb7a99e0a..abe266b02 100644 --- a/vendor/google.golang.org/grpc/pickfirst.go +++ b/vendor/google.golang.org/grpc/pickfirst.go @@ -19,11 +19,15 @@ package grpc import ( + "encoding/json" "errors" "fmt" "google.golang.org/grpc/balancer" "google.golang.org/grpc/connectivity" + "google.golang.org/grpc/internal/envconfig" + "google.golang.org/grpc/internal/grpcrand" + "google.golang.org/grpc/serviceconfig" ) // PickFirstBalancerName is the name of the pick_first balancer. @@ -43,15 +47,33 @@ func (*pickfirstBuilder) Name() string { return PickFirstBalancerName } +type pfConfig struct { + serviceconfig.LoadBalancingConfig `json:"-"` + + // If set to true, instructs the LB policy to shuffle the order of the list + // of addresses received from the name resolver before attempting to + // connect to them. + ShuffleAddressList bool `json:"shuffleAddressList"` +} + +func (*pickfirstBuilder) ParseConfig(js json.RawMessage) (serviceconfig.LoadBalancingConfig, error) { + cfg := &pfConfig{} + if err := json.Unmarshal(js, cfg); err != nil { + return nil, fmt.Errorf("pickfirst: unable to unmarshal LB policy config: %s, error: %v", string(js), err) + } + return cfg, nil +} + type pickfirstBalancer struct { state connectivity.State cc balancer.ClientConn subConn balancer.SubConn + cfg *pfConfig } func (b *pickfirstBalancer) ResolverError(err error) { if logger.V(2) { - logger.Infof("pickfirstBalancer: ResolverError called with error %v", err) + logger.Infof("pickfirstBalancer: ResolverError called with error: %v", err) } if b.subConn == nil { b.state = connectivity.TransientFailure @@ -69,7 +91,8 @@ func (b *pickfirstBalancer) ResolverError(err error) { } func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState) error { - if len(state.ResolverState.Addresses) == 0 { + addrs := state.ResolverState.Addresses + if len(addrs) == 0 { // The resolver reported an empty address list. Treat it like an error by // calling b.ResolverError. if b.subConn != nil { @@ -82,12 +105,23 @@ func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState return balancer.ErrBadResolverState } + if state.BalancerConfig != nil { + cfg, ok := state.BalancerConfig.(*pfConfig) + if !ok { + return fmt.Errorf("pickfirstBalancer: received nil or illegal BalancerConfig (type %T): %v", state.BalancerConfig, state.BalancerConfig) + } + b.cfg = cfg + } + + if envconfig.PickFirstLBConfig && b.cfg != nil && b.cfg.ShuffleAddressList { + grpcrand.Shuffle(len(addrs), func(i, j int) { addrs[i], addrs[j] = addrs[j], addrs[i] }) + } if b.subConn != nil { - b.cc.UpdateAddresses(b.subConn, state.ResolverState.Addresses) + b.cc.UpdateAddresses(b.subConn, addrs) return nil } - subConn, err := b.cc.NewSubConn(state.ResolverState.Addresses, balancer.NewSubConnOptions{}) + subConn, err := b.cc.NewSubConn(addrs, balancer.NewSubConnOptions{}) if err != nil { if logger.V(2) { logger.Errorf("pickfirstBalancer: failed to NewSubConn: %v", err) @@ -102,8 +136,8 @@ func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState b.subConn = subConn b.state = connectivity.Idle b.cc.UpdateState(balancer.State{ - ConnectivityState: connectivity.Idle, - Picker: &picker{result: balancer.PickResult{SubConn: b.subConn}}, + ConnectivityState: connectivity.Connecting, + Picker: &picker{err: balancer.ErrNoSubConnAvailable}, }) b.subConn.Connect() return nil @@ -119,7 +153,6 @@ func (b *pickfirstBalancer) UpdateSubConnState(subConn balancer.SubConn, state b } return } - b.state = state.ConnectivityState if state.ConnectivityState == connectivity.Shutdown { b.subConn = nil return @@ -132,11 +165,21 @@ func (b *pickfirstBalancer) UpdateSubConnState(subConn balancer.SubConn, state b Picker: &picker{result: balancer.PickResult{SubConn: subConn}}, }) case connectivity.Connecting: + if b.state == connectivity.TransientFailure { + // We stay in TransientFailure until we are Ready. See A62. + return + } b.cc.UpdateState(balancer.State{ ConnectivityState: state.ConnectivityState, Picker: &picker{err: balancer.ErrNoSubConnAvailable}, }) case connectivity.Idle: + if b.state == connectivity.TransientFailure { + // We stay in TransientFailure until we are Ready. Also kick the + // subConn out of Idle into Connecting. See A62. + b.subConn.Connect() + return + } b.cc.UpdateState(balancer.State{ ConnectivityState: state.ConnectivityState, Picker: &idlePicker{subConn: subConn}, @@ -147,6 +190,7 @@ func (b *pickfirstBalancer) UpdateSubConnState(subConn balancer.SubConn, state b Picker: &picker{err: state.ConnectionError}, }) } + b.state = state.ConnectivityState } func (b *pickfirstBalancer) Close() { diff --git a/vendor/google.golang.org/grpc/regenerate.sh b/vendor/google.golang.org/grpc/regenerate.sh index 99db79faf..a6f26c8ab 100644 --- a/vendor/google.golang.org/grpc/regenerate.sh +++ b/vendor/google.golang.org/grpc/regenerate.sh @@ -57,7 +57,8 @@ LEGACY_SOURCES=( ${WORKDIR}/grpc-proto/grpc/health/v1/health.proto ${WORKDIR}/grpc-proto/grpc/lb/v1/load_balancer.proto profiling/proto/service.proto - reflection/grpc_reflection_v1alpha/reflection.proto + ${WORKDIR}/grpc-proto/grpc/reflection/v1alpha/reflection.proto + ${WORKDIR}/grpc-proto/grpc/reflection/v1/reflection.proto ) # Generates only the new gRPC Service symbols @@ -119,8 +120,4 @@ mv ${WORKDIR}/out/google.golang.org/grpc/lookup/grpc_lookup_v1/* ${WORKDIR}/out/ # see grpc_testing_not_regenerate/README.md for details. rm ${WORKDIR}/out/google.golang.org/grpc/reflection/grpc_testing_not_regenerate/*.pb.go -# grpc/testing does not have a go_package option. -mv ${WORKDIR}/out/grpc/testing/*.pb.go interop/grpc_testing/ -mv ${WORKDIR}/out/grpc/core/*.pb.go interop/grpc_testing/core/ - cp -R ${WORKDIR}/out/google.golang.org/grpc/* . diff --git a/vendor/google.golang.org/grpc/resolver/resolver.go b/vendor/google.golang.org/grpc/resolver/resolver.go index 967cbc737..d8db6f5d3 100644 --- a/vendor/google.golang.org/grpc/resolver/resolver.go +++ b/vendor/google.golang.org/grpc/resolver/resolver.go @@ -22,12 +22,13 @@ package resolver import ( "context" + "fmt" "net" "net/url" + "strings" "google.golang.org/grpc/attributes" "google.golang.org/grpc/credentials" - "google.golang.org/grpc/internal/pretty" "google.golang.org/grpc/serviceconfig" ) @@ -40,8 +41,9 @@ var ( // TODO(bar) install dns resolver in init(){}. -// Register registers the resolver builder to the resolver map. b.Scheme will be -// used as the scheme registered with this builder. +// Register registers the resolver builder to the resolver map. b.Scheme will +// be used as the scheme registered with this builder. The registry is case +// sensitive, and schemes should not contain any uppercase characters. // // NOTE: this function must only be called during initialization time (i.e. in // an init() function), and is not thread-safe. If multiple Resolvers are @@ -122,7 +124,7 @@ type Address struct { Attributes *attributes.Attributes // BalancerAttributes contains arbitrary data about this address intended - // for consumption by the LB policy. These attribes do not affect SubConn + // for consumption by the LB policy. These attributes do not affect SubConn // creation, connection establishment, handshaking, etc. BalancerAttributes *attributes.Attributes @@ -140,6 +142,10 @@ type Address struct { // Equal returns whether a and o are identical. Metadata is compared directly, // not with any recursive introspection. +// +// This method compares all fields of the address. When used to tell apart +// addresses during subchannel creation or connection establishment, it might be +// more appropriate for the caller to implement custom equality logic. func (a Address) Equal(o Address) bool { return a.Addr == o.Addr && a.ServerName == o.ServerName && a.Attributes.Equal(o.Attributes) && @@ -149,7 +155,17 @@ func (a Address) Equal(o Address) bool { // String returns JSON formatted string representation of the address. func (a Address) String() string { - return pretty.ToJSON(a) + var sb strings.Builder + sb.WriteString(fmt.Sprintf("{Addr: %q, ", a.Addr)) + sb.WriteString(fmt.Sprintf("ServerName: %q, ", a.ServerName)) + if a.Attributes != nil { + sb.WriteString(fmt.Sprintf("Attributes: %v, ", a.Attributes.String())) + } + if a.BalancerAttributes != nil { + sb.WriteString(fmt.Sprintf("BalancerAttributes: %v", a.BalancerAttributes.String())) + } + sb.WriteString("}") + return sb.String() } // BuildOptions includes additional information for the builder to create @@ -202,6 +218,15 @@ type State struct { // gRPC to add new methods to this interface. type ClientConn interface { // UpdateState updates the state of the ClientConn appropriately. + // + // If an error is returned, the resolver should try to resolve the + // target again. The resolver should use a backoff timer to prevent + // overloading the server with requests. If a resolver is certain that + // reresolving will not change the result, e.g. because it is + // a watch-based resolver, returned errors can be ignored. + // + // If the resolved State is the same as the last reported one, calling + // UpdateState can be omitted. UpdateState(State) error // ReportError notifies the ClientConn that the Resolver encountered an // error. The ClientConn will notify the load balancer and begin calling @@ -243,13 +268,6 @@ type ClientConn interface { // - "unknown_scheme://authority/endpoint" // Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "unknown_scheme://authority/endpoint"} type Target struct { - // Deprecated: use URL.Scheme instead. - Scheme string - // Deprecated: use URL.Host instead. - Authority string - // Deprecated: use URL.Path or URL.Opaque instead. The latter is set when - // the former is empty. - Endpoint string // URL contains the parsed dial target with an optional default scheme added // to it if the original dial target contained no scheme or contained an // unregistered scheme. Any query params specified in the original dial @@ -257,6 +275,24 @@ type Target struct { URL url.URL } +// Endpoint retrieves endpoint without leading "/" from either `URL.Path` +// or `URL.Opaque`. The latter is used when the former is empty. +func (t Target) Endpoint() string { + endpoint := t.URL.Path + if endpoint == "" { + endpoint = t.URL.Opaque + } + // For targets of the form "[scheme]://[authority]/endpoint, the endpoint + // value returned from url.Parse() contains a leading "/". Although this is + // in accordance with RFC 3986, we do not want to break existing resolver + // implementations which expect the endpoint without the leading "/". So, we + // end up stripping the leading "/" here. But this will result in an + // incorrect parsing for something like "unix:///path/to/socket". Since we + // own the "unix" resolver, we can workaround in the unix resolver by using + // the `URL` field. + return strings.TrimPrefix(endpoint, "/") +} + // Builder creates a resolver that will be used to watch name resolution updates. type Builder interface { // Build creates a new resolver for the given target. @@ -264,8 +300,10 @@ type Builder interface { // gRPC dial calls Build synchronously, and fails if the returned error is // not nil. Build(target Target, cc ClientConn, opts BuildOptions) (Resolver, error) - // Scheme returns the scheme supported by this resolver. - // Scheme is defined at https://github.com/grpc/grpc/blob/master/doc/naming.md. + // Scheme returns the scheme supported by this resolver. Scheme is defined + // at https://github.com/grpc/grpc/blob/master/doc/naming.md. The returned + // string should not contain uppercase characters, as they will not match + // the parsed target's scheme as defined in RFC 3986. Scheme() string } diff --git a/vendor/google.golang.org/grpc/resolver_conn_wrapper.go b/vendor/google.golang.org/grpc/resolver_conn_wrapper.go index 05a9d4e0b..b408b3688 100644 --- a/vendor/google.golang.org/grpc/resolver_conn_wrapper.go +++ b/vendor/google.golang.org/grpc/resolver_conn_wrapper.go @@ -19,11 +19,11 @@ package grpc import ( + "context" "strings" "sync" "google.golang.org/grpc/balancer" - "google.golang.org/grpc/credentials" "google.golang.org/grpc/internal/channelz" "google.golang.org/grpc/internal/grpcsync" "google.golang.org/grpc/internal/pretty" @@ -31,129 +31,192 @@ import ( "google.golang.org/grpc/serviceconfig" ) +// resolverStateUpdater wraps the single method used by ccResolverWrapper to +// report a state update from the actual resolver implementation. +type resolverStateUpdater interface { + updateResolverState(s resolver.State, err error) error +} + // ccResolverWrapper is a wrapper on top of cc for resolvers. // It implements resolver.ClientConn interface. type ccResolverWrapper struct { - cc *ClientConn - resolverMu sync.Mutex - resolver resolver.Resolver - done *grpcsync.Event - curState resolver.State + // The following fields are initialized when the wrapper is created and are + // read-only afterwards, and therefore can be accessed without a mutex. + cc resolverStateUpdater + channelzID *channelz.Identifier + ignoreServiceConfig bool + opts ccResolverWrapperOpts + serializer *grpcsync.CallbackSerializer // To serialize all incoming calls. + serializerCancel context.CancelFunc // To close the serializer, accessed only from close(). + + // All incoming (resolver --> gRPC) calls are guaranteed to execute in a + // mutually exclusive manner as they are scheduled on the serializer. + // Fields accessed *only* in these serializer callbacks, can therefore be + // accessed without a mutex. + curState resolver.State + + // mu guards access to the below fields. + mu sync.Mutex + closed bool + resolver resolver.Resolver // Accessed only from outgoing calls. +} - incomingMu sync.Mutex // Synchronizes all the incoming calls. +// ccResolverWrapperOpts wraps the arguments to be passed when creating a new +// ccResolverWrapper. +type ccResolverWrapperOpts struct { + target resolver.Target // User specified dial target to resolve. + builder resolver.Builder // Resolver builder to use. + bOpts resolver.BuildOptions // Resolver build options to use. + channelzID *channelz.Identifier // Channelz identifier for the channel. } // newCCResolverWrapper uses the resolver.Builder to build a Resolver and // returns a ccResolverWrapper object which wraps the newly built resolver. -func newCCResolverWrapper(cc *ClientConn, rb resolver.Builder) (*ccResolverWrapper, error) { +func newCCResolverWrapper(cc resolverStateUpdater, opts ccResolverWrapperOpts) (*ccResolverWrapper, error) { + ctx, cancel := context.WithCancel(context.Background()) ccr := &ccResolverWrapper{ - cc: cc, - done: grpcsync.NewEvent(), - } - - var credsClone credentials.TransportCredentials - if creds := cc.dopts.copts.TransportCredentials; creds != nil { - credsClone = creds.Clone() - } - rbo := resolver.BuildOptions{ - DisableServiceConfig: cc.dopts.disableServiceConfig, - DialCreds: credsClone, - CredsBundle: cc.dopts.copts.CredsBundle, - Dialer: cc.dopts.copts.Dialer, - } - - var err error - // We need to hold the lock here while we assign to the ccr.resolver field - // to guard against a data race caused by the following code path, - // rb.Build-->ccr.ReportError-->ccr.poll-->ccr.resolveNow, would end up - // accessing ccr.resolver which is being assigned here. - ccr.resolverMu.Lock() - defer ccr.resolverMu.Unlock() - ccr.resolver, err = rb.Build(cc.parsedTarget, ccr, rbo) + cc: cc, + channelzID: opts.channelzID, + ignoreServiceConfig: opts.bOpts.DisableServiceConfig, + opts: opts, + serializer: grpcsync.NewCallbackSerializer(ctx), + serializerCancel: cancel, + } + + // Cannot hold the lock at build time because the resolver can send an + // update or error inline and these incoming calls grab the lock to schedule + // a callback in the serializer. + r, err := opts.builder.Build(opts.target, ccr, opts.bOpts) if err != nil { + cancel() return nil, err } + + // Any error reported by the resolver at build time that leads to a + // re-resolution request from the balancer is dropped by grpc until we + // return from this function. So, we don't have to handle pending resolveNow + // requests here. + ccr.mu.Lock() + ccr.resolver = r + ccr.mu.Unlock() + return ccr, nil } func (ccr *ccResolverWrapper) resolveNow(o resolver.ResolveNowOptions) { - ccr.resolverMu.Lock() - if !ccr.done.HasFired() { - ccr.resolver.ResolveNow(o) + ccr.mu.Lock() + defer ccr.mu.Unlock() + + // ccr.resolver field is set only after the call to Build() returns. But in + // the process of building, the resolver may send an error update which when + // propagated to the balancer may result in a re-resolution request. + if ccr.closed || ccr.resolver == nil { + return } - ccr.resolverMu.Unlock() + ccr.resolver.ResolveNow(o) } func (ccr *ccResolverWrapper) close() { - ccr.resolverMu.Lock() - ccr.resolver.Close() - ccr.done.Fire() - ccr.resolverMu.Unlock() + ccr.mu.Lock() + if ccr.closed { + ccr.mu.Unlock() + return + } + + channelz.Info(logger, ccr.channelzID, "Closing the name resolver") + + // Close the serializer to ensure that no more calls from the resolver are + // handled, before actually closing the resolver. + ccr.serializerCancel() + ccr.closed = true + r := ccr.resolver + ccr.mu.Unlock() + + // Give enqueued callbacks a chance to finish. + <-ccr.serializer.Done + + // Spawn a goroutine to close the resolver (since it may block trying to + // cleanup all allocated resources) and return early. + go r.Close() +} + +// serializerScheduleLocked is a convenience method to schedule a function to be +// run on the serializer while holding ccr.mu. +func (ccr *ccResolverWrapper) serializerScheduleLocked(f func(context.Context)) { + ccr.mu.Lock() + ccr.serializer.Schedule(f) + ccr.mu.Unlock() } +// UpdateState is called by resolver implementations to report new state to gRPC +// which includes addresses and service config. func (ccr *ccResolverWrapper) UpdateState(s resolver.State) error { - ccr.incomingMu.Lock() - defer ccr.incomingMu.Unlock() - if ccr.done.HasFired() { + errCh := make(chan error, 1) + ok := ccr.serializer.Schedule(func(context.Context) { + ccr.addChannelzTraceEvent(s) + ccr.curState = s + if err := ccr.cc.updateResolverState(ccr.curState, nil); err == balancer.ErrBadResolverState { + errCh <- balancer.ErrBadResolverState + return + } + errCh <- nil + }) + if !ok { + // The only time when Schedule() fail to add the callback to the + // serializer is when the serializer is closed, and this happens only + // when the resolver wrapper is closed. return nil } - ccr.addChannelzTraceEvent(s) - ccr.curState = s - if err := ccr.cc.updateResolverState(ccr.curState, nil); err == balancer.ErrBadResolverState { - return balancer.ErrBadResolverState - } - return nil + return <-errCh } +// ReportError is called by resolver implementations to report errors +// encountered during name resolution to gRPC. func (ccr *ccResolverWrapper) ReportError(err error) { - ccr.incomingMu.Lock() - defer ccr.incomingMu.Unlock() - if ccr.done.HasFired() { - return - } - channelz.Warningf(logger, ccr.cc.channelzID, "ccResolverWrapper: reporting error to cc: %v", err) - ccr.cc.updateResolverState(resolver.State{}, err) + ccr.serializerScheduleLocked(func(_ context.Context) { + channelz.Warningf(logger, ccr.channelzID, "ccResolverWrapper: reporting error to cc: %v", err) + ccr.cc.updateResolverState(resolver.State{}, err) + }) } -// NewAddress is called by the resolver implementation to send addresses to gRPC. +// NewAddress is called by the resolver implementation to send addresses to +// gRPC. func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) { - ccr.incomingMu.Lock() - defer ccr.incomingMu.Unlock() - if ccr.done.HasFired() { - return - } - ccr.addChannelzTraceEvent(resolver.State{Addresses: addrs, ServiceConfig: ccr.curState.ServiceConfig}) - ccr.curState.Addresses = addrs - ccr.cc.updateResolverState(ccr.curState, nil) + ccr.serializerScheduleLocked(func(_ context.Context) { + ccr.addChannelzTraceEvent(resolver.State{Addresses: addrs, ServiceConfig: ccr.curState.ServiceConfig}) + ccr.curState.Addresses = addrs + ccr.cc.updateResolverState(ccr.curState, nil) + }) } // NewServiceConfig is called by the resolver implementation to send service // configs to gRPC. func (ccr *ccResolverWrapper) NewServiceConfig(sc string) { - ccr.incomingMu.Lock() - defer ccr.incomingMu.Unlock() - if ccr.done.HasFired() { - return - } - channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: got new service config: %s", sc) - if ccr.cc.dopts.disableServiceConfig { - channelz.Info(logger, ccr.cc.channelzID, "Service config lookups disabled; ignoring config") - return - } - scpr := parseServiceConfig(sc) - if scpr.Err != nil { - channelz.Warningf(logger, ccr.cc.channelzID, "ccResolverWrapper: error parsing service config: %v", scpr.Err) - return - } - ccr.addChannelzTraceEvent(resolver.State{Addresses: ccr.curState.Addresses, ServiceConfig: scpr}) - ccr.curState.ServiceConfig = scpr - ccr.cc.updateResolverState(ccr.curState, nil) + ccr.serializerScheduleLocked(func(_ context.Context) { + channelz.Infof(logger, ccr.channelzID, "ccResolverWrapper: got new service config: %s", sc) + if ccr.ignoreServiceConfig { + channelz.Info(logger, ccr.channelzID, "Service config lookups disabled; ignoring config") + return + } + scpr := parseServiceConfig(sc) + if scpr.Err != nil { + channelz.Warningf(logger, ccr.channelzID, "ccResolverWrapper: error parsing service config: %v", scpr.Err) + return + } + ccr.addChannelzTraceEvent(resolver.State{Addresses: ccr.curState.Addresses, ServiceConfig: scpr}) + ccr.curState.ServiceConfig = scpr + ccr.cc.updateResolverState(ccr.curState, nil) + }) } +// ParseServiceConfig is called by resolver implementations to parse a JSON +// representation of the service config. func (ccr *ccResolverWrapper) ParseServiceConfig(scJSON string) *serviceconfig.ParseResult { return parseServiceConfig(scJSON) } +// addChannelzTraceEvent adds a channelz trace event containing the new +// state received from resolver implementations. func (ccr *ccResolverWrapper) addChannelzTraceEvent(s resolver.State) { var updates []string var oldSC, newSC *ServiceConfig @@ -172,5 +235,5 @@ func (ccr *ccResolverWrapper) addChannelzTraceEvent(s resolver.State) { } else if len(ccr.curState.Addresses) == 0 && len(s.Addresses) > 0 { updates = append(updates, "resolver returned new addresses") } - channelz.Infof(logger, ccr.cc.channelzID, "Resolver state updated: %s (%v)", pretty.ToJSON(s), strings.Join(updates, "; ")) + channelz.Infof(logger, ccr.channelzID, "Resolver state updated: %s (%v)", pretty.ToJSON(s), strings.Join(updates, "; ")) } diff --git a/vendor/google.golang.org/grpc/rpc_util.go b/vendor/google.golang.org/grpc/rpc_util.go index 934fc1aa0..a844d28f4 100644 --- a/vendor/google.golang.org/grpc/rpc_util.go +++ b/vendor/google.golang.org/grpc/rpc_util.go @@ -25,7 +25,6 @@ import ( "encoding/binary" "fmt" "io" - "io/ioutil" "math" "strings" "sync" @@ -77,7 +76,7 @@ func NewGZIPCompressorWithLevel(level int) (Compressor, error) { return &gzipCompressor{ pool: sync.Pool{ New: func() interface{} { - w, err := gzip.NewWriterLevel(ioutil.Discard, level) + w, err := gzip.NewWriterLevel(io.Discard, level) if err != nil { panic(err) } @@ -143,7 +142,7 @@ func (d *gzipDecompressor) Do(r io.Reader) ([]byte, error) { z.Close() d.pool.Put(z) }() - return ioutil.ReadAll(z) + return io.ReadAll(z) } func (d *gzipDecompressor) Type() string { @@ -160,6 +159,7 @@ type callInfo struct { contentSubtype string codec baseCodec maxRetryRPCBufferSize int + onFinish []func(err error) } func defaultCallInfo() *callInfo { @@ -296,8 +296,44 @@ func (o FailFastCallOption) before(c *callInfo) error { } func (o FailFastCallOption) after(c *callInfo, attempt *csAttempt) {} +// OnFinish returns a CallOption that configures a callback to be called when +// the call completes. The error passed to the callback is the status of the +// RPC, and may be nil. The onFinish callback provided will only be called once +// by gRPC. This is mainly used to be used by streaming interceptors, to be +// notified when the RPC completes along with information about the status of +// the RPC. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func OnFinish(onFinish func(err error)) CallOption { + return OnFinishCallOption{ + OnFinish: onFinish, + } +} + +// OnFinishCallOption is CallOption that indicates a callback to be called when +// the call completes. +// +// # Experimental +// +// Notice: This type is EXPERIMENTAL and may be changed or removed in a +// later release. +type OnFinishCallOption struct { + OnFinish func(error) +} + +func (o OnFinishCallOption) before(c *callInfo) error { + c.onFinish = append(c.onFinish, o.OnFinish) + return nil +} + +func (o OnFinishCallOption) after(c *callInfo, attempt *csAttempt) {} + // MaxCallRecvMsgSize returns a CallOption which sets the maximum message size -// in bytes the client can receive. +// in bytes the client can receive. If this is not set, gRPC uses the default +// 4MB. func MaxCallRecvMsgSize(bytes int) CallOption { return MaxRecvMsgSizeCallOption{MaxRecvMsgSize: bytes} } @@ -320,7 +356,8 @@ func (o MaxRecvMsgSizeCallOption) before(c *callInfo) error { func (o MaxRecvMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {} // MaxCallSendMsgSize returns a CallOption which sets the maximum message size -// in bytes the client can send. +// in bytes the client can send. If this is not set, gRPC uses the default +// `math.MaxInt32`. func MaxCallSendMsgSize(bytes int) CallOption { return MaxSendMsgSizeCallOption{MaxSendMsgSize: bytes} } @@ -540,6 +577,9 @@ type parser struct { // The header of a gRPC message. Find more detail at // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md header [5]byte + + // recvBufferPool is the pool of shared receive buffers. + recvBufferPool SharedBufferPool } // recvMsg reads a complete gRPC message from the stream. @@ -573,9 +613,7 @@ func (p *parser) recvMsg(maxReceiveMessageSize int) (pf payloadFormat, msg []byt if int(length) > maxReceiveMessageSize { return 0, nil, status.Errorf(codes.ResourceExhausted, "grpc: received message larger than max (%d vs. %d)", length, maxReceiveMessageSize) } - // TODO(bradfitz,zhaoq): garbage. reuse buffer after proto decoding instead - // of making it for each message: - msg = make([]byte, int(length)) + msg = p.recvBufferPool.Get(int(length)) if _, err := p.r.Read(msg); err != nil { if err == io.EOF { err = io.ErrUnexpectedEOF @@ -657,12 +695,13 @@ func msgHeader(data, compData []byte) (hdr []byte, payload []byte) { func outPayload(client bool, msg interface{}, data, payload []byte, t time.Time) *stats.OutPayload { return &stats.OutPayload{ - Client: client, - Payload: msg, - Data: data, - Length: len(data), - WireLength: len(payload) + headerLen, - SentTime: t, + Client: client, + Payload: msg, + Data: data, + Length: len(data), + WireLength: len(payload) + headerLen, + CompressedLength: len(payload), + SentTime: t, } } @@ -683,17 +722,17 @@ func checkRecvPayload(pf payloadFormat, recvCompress string, haveCompressor bool } type payloadInfo struct { - wireLength int // The compressed length got from wire. + compressedLength int // The compressed length got from wire. uncompressedBytes []byte } func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor) ([]byte, error) { - pf, d, err := p.recvMsg(maxReceiveMessageSize) + pf, buf, err := p.recvMsg(maxReceiveMessageSize) if err != nil { return nil, err } if payInfo != nil { - payInfo.wireLength = len(d) + payInfo.compressedLength = len(buf) } if st := checkRecvPayload(pf, s.RecvCompress(), compressor != nil || dc != nil); st != nil { @@ -705,13 +744,13 @@ func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxRecei // To match legacy behavior, if the decompressor is set by WithDecompressor or RPCDecompressor, // use this decompressor as the default. if dc != nil { - d, err = dc.Do(bytes.NewReader(d)) - size = len(d) + buf, err = dc.Do(bytes.NewReader(buf)) + size = len(buf) } else { - d, size, err = decompress(compressor, d, maxReceiveMessageSize) + buf, size, err = decompress(compressor, buf, maxReceiveMessageSize) } if err != nil { - return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the received message %v", err) + return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the received message: %v", err) } if size > maxReceiveMessageSize { // TODO: Revisit the error code. Currently keep it consistent with java @@ -719,7 +758,7 @@ func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxRecei return nil, status.Errorf(codes.ResourceExhausted, "grpc: received message after decompression larger than max (%d vs. %d)", size, maxReceiveMessageSize) } } - return d, nil + return buf, nil } // Using compressor, decompress d, returning data and size. @@ -746,7 +785,7 @@ func decompress(compressor encoding.Compressor, d []byte, maxReceiveMessageSize } // Read from LimitReader with limit max+1. So if the underlying // reader is over limit, the result will be bigger than max. - d, err = ioutil.ReadAll(io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1)) + d, err = io.ReadAll(io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1)) return d, len(d), err } @@ -754,15 +793,17 @@ func decompress(compressor encoding.Compressor, d []byte, maxReceiveMessageSize // dc takes precedence over compressor. // TODO(dfawley): wrap the old compressor/decompressor using the new API? func recv(p *parser, c baseCodec, s *transport.Stream, dc Decompressor, m interface{}, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor) error { - d, err := recvAndDecompress(p, s, dc, maxReceiveMessageSize, payInfo, compressor) + buf, err := recvAndDecompress(p, s, dc, maxReceiveMessageSize, payInfo, compressor) if err != nil { return err } - if err := c.Unmarshal(d, m); err != nil { - return status.Errorf(codes.Internal, "grpc: failed to unmarshal the received message %v", err) + if err := c.Unmarshal(buf, m); err != nil { + return status.Errorf(codes.Internal, "grpc: failed to unmarshal the received message: %v", err) } if payInfo != nil { - payInfo.uncompressedBytes = d + payInfo.uncompressedBytes = buf + } else { + p.recvBufferPool.Put(&buf) } return nil } diff --git a/vendor/google.golang.org/grpc/server.go b/vendor/google.golang.org/grpc/server.go index f4dde72b4..e076ec714 100644 --- a/vendor/google.golang.org/grpc/server.go +++ b/vendor/google.golang.org/grpc/server.go @@ -43,8 +43,8 @@ import ( "google.golang.org/grpc/internal" "google.golang.org/grpc/internal/binarylog" "google.golang.org/grpc/internal/channelz" - "google.golang.org/grpc/internal/grpcrand" "google.golang.org/grpc/internal/grpcsync" + "google.golang.org/grpc/internal/grpcutil" "google.golang.org/grpc/internal/transport" "google.golang.org/grpc/keepalive" "google.golang.org/grpc/metadata" @@ -74,10 +74,10 @@ func init() { srv.drainServerTransports(addr) } internal.AddGlobalServerOptions = func(opt ...ServerOption) { - extraServerOptions = append(extraServerOptions, opt...) + globalServerOptions = append(globalServerOptions, opt...) } internal.ClearGlobalServerOptions = func() { - extraServerOptions = nil + globalServerOptions = nil } internal.BinaryLogger = binaryLogger internal.JoinServerOptions = newJoinServerOption @@ -145,7 +145,7 @@ type Server struct { channelzID *channelz.Identifier czData *channelzData - serverWorkerChannels []chan *serverWorkerData + serverWorkerChannel chan *serverWorkerData } type serverOptions struct { @@ -174,6 +174,7 @@ type serverOptions struct { maxHeaderListSize *uint32 headerTableSize *uint32 numServerWorkers uint32 + recvBufferPool SharedBufferPool } var defaultServerOptions = serverOptions{ @@ -182,8 +183,9 @@ var defaultServerOptions = serverOptions{ connectionTimeout: 120 * time.Second, writeBufferSize: defaultWriteBufSize, readBufferSize: defaultReadBufSize, + recvBufferPool: nopBufferPool{}, } -var extraServerOptions []ServerOption +var globalServerOptions []ServerOption // A ServerOption sets options such as credentials, codec and keepalive parameters, etc. type ServerOption interface { @@ -233,10 +235,11 @@ func newJoinServerOption(opts ...ServerOption) ServerOption { return &joinServerOption{opts: opts} } -// WriteBufferSize determines how much data can be batched before doing a write on the wire. -// The corresponding memory allocation for this buffer will be twice the size to keep syscalls low. -// The default value for this buffer is 32KB. -// Zero will disable the write buffer such that each write will be on underlying connection. +// WriteBufferSize determines how much data can be batched before doing a write +// on the wire. The corresponding memory allocation for this buffer will be +// twice the size to keep syscalls low. The default value for this buffer is +// 32KB. Zero or negative values will disable the write buffer such that each +// write will be on underlying connection. // Note: A Send call may not directly translate to a write. func WriteBufferSize(s int) ServerOption { return newFuncServerOption(func(o *serverOptions) { @@ -244,11 +247,10 @@ func WriteBufferSize(s int) ServerOption { }) } -// ReadBufferSize lets you set the size of read buffer, this determines how much data can be read at most -// for one read syscall. -// The default value for this buffer is 32KB. -// Zero will disable read buffer for a connection so data framer can access the underlying -// conn directly. +// ReadBufferSize lets you set the size of read buffer, this determines how much +// data can be read at most for one read syscall. The default value for this +// buffer is 32KB. Zero or negative values will disable read buffer for a +// connection so data framer can access the underlying conn directly. func ReadBufferSize(s int) ServerOption { return newFuncServerOption(func(o *serverOptions) { o.readBufferSize = s @@ -552,6 +554,27 @@ func NumStreamWorkers(numServerWorkers uint32) ServerOption { }) } +// RecvBufferPool returns a ServerOption that configures the server +// to use the provided shared buffer pool for parsing incoming messages. Depending +// on the application's workload, this could result in reduced memory allocation. +// +// If you are unsure about how to implement a memory pool but want to utilize one, +// begin with grpc.NewSharedBufferPool. +// +// Note: The shared buffer pool feature will not be active if any of the following +// options are used: StatsHandler, EnableTracing, or binary logging. In such +// cases, the shared buffer pool will be ignored. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func RecvBufferPool(bufferPool SharedBufferPool) ServerOption { + return newFuncServerOption(func(o *serverOptions) { + o.recvBufferPool = bufferPool + }) +} + // serverWorkerResetThreshold defines how often the stack must be reset. Every // N requests, by spawning a new goroutine in its place, a worker can reset its // stack so that large stacks don't live in memory forever. 2^16 should allow @@ -560,47 +583,45 @@ func NumStreamWorkers(numServerWorkers uint32) ServerOption { const serverWorkerResetThreshold = 1 << 16 // serverWorkers blocks on a *transport.Stream channel forever and waits for -// data to be fed by serveStreams. This allows different requests to be +// data to be fed by serveStreams. This allows multiple requests to be // processed by the same goroutine, removing the need for expensive stack // re-allocations (see the runtime.morestack problem [1]). // // [1] https://github.com/golang/go/issues/18138 -func (s *Server) serverWorker(ch chan *serverWorkerData) { - // To make sure all server workers don't reset at the same time, choose a - // random number of iterations before resetting. - threshold := serverWorkerResetThreshold + grpcrand.Intn(serverWorkerResetThreshold) - for completed := 0; completed < threshold; completed++ { - data, ok := <-ch +func (s *Server) serverWorker() { + for completed := 0; completed < serverWorkerResetThreshold; completed++ { + data, ok := <-s.serverWorkerChannel if !ok { return } - s.handleStream(data.st, data.stream, s.traceInfo(data.st, data.stream)) - data.wg.Done() + s.handleSingleStream(data) } - go s.serverWorker(ch) + go s.serverWorker() +} + +func (s *Server) handleSingleStream(data *serverWorkerData) { + defer data.wg.Done() + s.handleStream(data.st, data.stream, s.traceInfo(data.st, data.stream)) } -// initServerWorkers creates worker goroutines and channels to process incoming +// initServerWorkers creates worker goroutines and a channel to process incoming // connections to reduce the time spent overall on runtime.morestack. func (s *Server) initServerWorkers() { - s.serverWorkerChannels = make([]chan *serverWorkerData, s.opts.numServerWorkers) + s.serverWorkerChannel = make(chan *serverWorkerData) for i := uint32(0); i < s.opts.numServerWorkers; i++ { - s.serverWorkerChannels[i] = make(chan *serverWorkerData) - go s.serverWorker(s.serverWorkerChannels[i]) + go s.serverWorker() } } func (s *Server) stopServerWorkers() { - for i := uint32(0); i < s.opts.numServerWorkers; i++ { - close(s.serverWorkerChannels[i]) - } + close(s.serverWorkerChannel) } // NewServer creates a gRPC server which has no service registered and has not // started to accept requests yet. func NewServer(opt ...ServerOption) *Server { opts := defaultServerOptions - for _, o := range extraServerOptions { + for _, o := range globalServerOptions { o.apply(&opts) } for _, o := range opt { @@ -897,7 +918,7 @@ func (s *Server) drainServerTransports(addr string) { s.mu.Lock() conns := s.conns[addr] for st := range conns { - st.Drain() + st.Drain("") } s.mu.Unlock() } @@ -942,29 +963,24 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport { } func (s *Server) serveStreams(st transport.ServerTransport) { - defer st.Close() + defer st.Close(errors.New("finished serving streams for the server transport")) var wg sync.WaitGroup - var roundRobinCounter uint32 st.HandleStreams(func(stream *transport.Stream) { wg.Add(1) if s.opts.numServerWorkers > 0 { data := &serverWorkerData{st: st, wg: &wg, stream: stream} select { - case s.serverWorkerChannels[atomic.AddUint32(&roundRobinCounter, 1)%s.opts.numServerWorkers] <- data: + case s.serverWorkerChannel <- data: + return default: // If all stream workers are busy, fallback to the default code path. - go func() { - s.handleStream(st, stream, s.traceInfo(st, stream)) - wg.Done() - }() } - } else { - go func() { - defer wg.Done() - s.handleStream(st, stream, s.traceInfo(st, stream)) - }() } + go func() { + defer wg.Done() + s.handleStream(st, stream, s.traceInfo(st, stream)) + }() }, func(ctx context.Context, method string) context.Context { if !EnableTracing { return ctx @@ -1008,7 +1024,8 @@ var _ http.Handler = (*Server)(nil) func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) { st, err := transport.NewServerHandlerTransport(w, r, s.opts.statsHandlers) if err != nil { - http.Error(w, err.Error(), http.StatusInternalServerError) + // Errors returned from transport.NewServerHandlerTransport have + // already been written to w. return } if !s.addConn(listenerAddressForServeHTTP, st) { @@ -1046,13 +1063,13 @@ func (s *Server) addConn(addr string, st transport.ServerTransport) bool { s.mu.Lock() defer s.mu.Unlock() if s.conns == nil { - st.Close() + st.Close(errors.New("Server.addConn called when server has already been stopped")) return false } if s.drain { // Transport added after we drained our existing conns: drain it // immediately. - st.Drain() + st.Drain("") } if s.conns[addr] == nil { @@ -1150,21 +1167,16 @@ func chainUnaryServerInterceptors(s *Server) { func chainUnaryInterceptors(interceptors []UnaryServerInterceptor) UnaryServerInterceptor { return func(ctx context.Context, req interface{}, info *UnaryServerInfo, handler UnaryHandler) (interface{}, error) { - // the struct ensures the variables are allocated together, rather than separately, since we - // know they should be garbage collected together. This saves 1 allocation and decreases - // time/call by about 10% on the microbenchmark. - var state struct { - i int - next UnaryHandler - } - state.next = func(ctx context.Context, req interface{}) (interface{}, error) { - if state.i == len(interceptors)-1 { - return interceptors[state.i](ctx, req, info, handler) - } - state.i++ - return interceptors[state.i-1](ctx, req, info, state.next) - } - return state.next(ctx, req) + return interceptors[0](ctx, req, info, getChainUnaryHandler(interceptors, 0, info, handler)) + } +} + +func getChainUnaryHandler(interceptors []UnaryServerInterceptor, curr int, info *UnaryServerInfo, finalHandler UnaryHandler) UnaryHandler { + if curr == len(interceptors)-1 { + return finalHandler + } + return func(ctx context.Context, req interface{}) (interface{}, error) { + return interceptors[curr+1](ctx, req, info, getChainUnaryHandler(interceptors, curr+1, info, finalHandler)) } } @@ -1256,7 +1268,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. logEntry.PeerAddr = peer.Addr } for _, binlog := range binlogs { - binlog.Log(logEntry) + binlog.Log(ctx, logEntry) } } @@ -1267,6 +1279,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. var comp, decomp encoding.Compressor var cp Compressor var dc Decompressor + var sendCompressorName string // If dc is set and matches the stream's compression, use it. Otherwise, try // to find a matching registered compressor for decomp. @@ -1287,12 +1300,18 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. // NOTE: this needs to be ahead of all handling, https://github.com/grpc/grpc-go/issues/686. if s.opts.cp != nil { cp = s.opts.cp - stream.SetSendCompress(cp.Type()) + sendCompressorName = cp.Type() } else if rc := stream.RecvCompress(); rc != "" && rc != encoding.Identity { // Legacy compressor not specified; attempt to respond with same encoding. comp = encoding.GetCompressor(rc) if comp != nil { - stream.SetSendCompress(rc) + sendCompressorName = comp.Name() + } + } + + if sendCompressorName != "" { + if err := stream.SetSendCompress(sendCompressorName); err != nil { + return status.Errorf(codes.Internal, "grpc: failed to set send compressor: %v", err) } } @@ -1300,10 +1319,10 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. if len(shs) != 0 || len(binlogs) != 0 { payInfo = &payloadInfo{} } - d, err := recvAndDecompress(&parser{r: stream}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp) + d, err := recvAndDecompress(&parser{r: stream, recvBufferPool: s.opts.recvBufferPool}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp) if err != nil { if e := t.WriteStatus(stream, status.Convert(err)); e != nil { - channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status %v", e) + channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status: %v", e) } return err } @@ -1316,11 +1335,12 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. } for _, sh := range shs { sh.HandleRPC(stream.Context(), &stats.InPayload{ - RecvTime: time.Now(), - Payload: v, - WireLength: payInfo.wireLength + headerLen, - Data: d, - Length: len(d), + RecvTime: time.Now(), + Payload: v, + Length: len(d), + WireLength: payInfo.compressedLength + headerLen, + CompressedLength: payInfo.compressedLength, + Data: d, }) } if len(binlogs) != 0 { @@ -1328,7 +1348,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. Message: d, } for _, binlog := range binlogs { - binlog.Log(cm) + binlog.Log(stream.Context(), cm) } } if trInfo != nil { @@ -1361,7 +1381,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. Header: h, } for _, binlog := range binlogs { - binlog.Log(sh) + binlog.Log(stream.Context(), sh) } } st := &binarylog.ServerTrailer{ @@ -1369,7 +1389,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. Err: appErr, } for _, binlog := range binlogs { - binlog.Log(st) + binlog.Log(stream.Context(), st) } } return appErr @@ -1379,6 +1399,11 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. } opts := &transport.Options{Last: true} + // Server handler could have set new compressor by calling SetSendCompressor. + // In case it is set, we need to use it for compressing outbound message. + if stream.SendCompress() != sendCompressorName { + comp = encoding.GetCompressor(stream.SendCompress()) + } if err := s.sendResponse(t, stream, reply, cp, opts, comp); err != nil { if err == io.EOF { // The entire stream is done (for unary RPC only). @@ -1406,8 +1431,8 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. Err: appErr, } for _, binlog := range binlogs { - binlog.Log(sh) - binlog.Log(st) + binlog.Log(stream.Context(), sh) + binlog.Log(stream.Context(), st) } } return err @@ -1421,8 +1446,8 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. Message: reply, } for _, binlog := range binlogs { - binlog.Log(sh) - binlog.Log(sm) + binlog.Log(stream.Context(), sh) + binlog.Log(stream.Context(), sm) } } if channelz.IsOn() { @@ -1434,17 +1459,16 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport. // TODO: Should we be logging if writing status failed here, like above? // Should the logging be in WriteStatus? Should we ignore the WriteStatus // error or allow the stats handler to see it? - err = t.WriteStatus(stream, statusOK) if len(binlogs) != 0 { st := &binarylog.ServerTrailer{ Trailer: stream.Trailer(), Err: appErr, } for _, binlog := range binlogs { - binlog.Log(st) + binlog.Log(stream.Context(), st) } } - return err + return t.WriteStatus(stream, statusOK) } // chainStreamServerInterceptors chains all stream server interceptors into one. @@ -1470,21 +1494,16 @@ func chainStreamServerInterceptors(s *Server) { func chainStreamInterceptors(interceptors []StreamServerInterceptor) StreamServerInterceptor { return func(srv interface{}, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error { - // the struct ensures the variables are allocated together, rather than separately, since we - // know they should be garbage collected together. This saves 1 allocation and decreases - // time/call by about 10% on the microbenchmark. - var state struct { - i int - next StreamHandler - } - state.next = func(srv interface{}, ss ServerStream) error { - if state.i == len(interceptors)-1 { - return interceptors[state.i](srv, ss, info, handler) - } - state.i++ - return interceptors[state.i-1](srv, ss, info, state.next) - } - return state.next(srv, ss) + return interceptors[0](srv, ss, info, getChainStreamHandler(interceptors, 0, info, handler)) + } +} + +func getChainStreamHandler(interceptors []StreamServerInterceptor, curr int, info *StreamServerInfo, finalHandler StreamHandler) StreamHandler { + if curr == len(interceptors)-1 { + return finalHandler + } + return func(srv interface{}, stream ServerStream) error { + return interceptors[curr+1](srv, stream, info, getChainStreamHandler(interceptors, curr+1, info, finalHandler)) } } @@ -1510,7 +1529,7 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp ctx: ctx, t: t, s: stream, - p: &parser{r: stream}, + p: &parser{r: stream, recvBufferPool: s.opts.recvBufferPool}, codec: s.getCodec(stream.ContentSubtype()), maxReceiveMessageSize: s.opts.maxReceiveMessageSize, maxSendMessageSize: s.opts.maxSendMessageSize, @@ -1583,7 +1602,7 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp logEntry.PeerAddr = peer.Addr } for _, binlog := range ss.binlogs { - binlog.Log(logEntry) + binlog.Log(stream.Context(), logEntry) } } @@ -1606,12 +1625,18 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp // NOTE: this needs to be ahead of all handling, https://github.com/grpc/grpc-go/issues/686. if s.opts.cp != nil { ss.cp = s.opts.cp - stream.SetSendCompress(s.opts.cp.Type()) + ss.sendCompressorName = s.opts.cp.Type() } else if rc := stream.RecvCompress(); rc != "" && rc != encoding.Identity { // Legacy compressor not specified; attempt to respond with same encoding. ss.comp = encoding.GetCompressor(rc) if ss.comp != nil { - stream.SetSendCompress(rc) + ss.sendCompressorName = rc + } + } + + if ss.sendCompressorName != "" { + if err := stream.SetSendCompress(ss.sendCompressorName); err != nil { + return status.Errorf(codes.Internal, "grpc: failed to set send compressor: %v", err) } } @@ -1649,16 +1674,16 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp ss.trInfo.tr.SetError() ss.mu.Unlock() } - t.WriteStatus(ss.s, appStatus) if len(ss.binlogs) != 0 { st := &binarylog.ServerTrailer{ Trailer: ss.s.Trailer(), Err: appErr, } for _, binlog := range ss.binlogs { - binlog.Log(st) + binlog.Log(stream.Context(), st) } } + t.WriteStatus(ss.s, appStatus) // TODO: Should we log an error from WriteStatus here and below? return appErr } @@ -1667,17 +1692,16 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp ss.trInfo.tr.LazyLog(stringer("OK"), false) ss.mu.Unlock() } - err = t.WriteStatus(ss.s, statusOK) if len(ss.binlogs) != 0 { st := &binarylog.ServerTrailer{ Trailer: ss.s.Trailer(), Err: appErr, } for _, binlog := range ss.binlogs { - binlog.Log(st) + binlog.Log(stream.Context(), st) } } - return err + return t.WriteStatus(ss.s, statusOK) } func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Stream, trInfo *traceInfo) { @@ -1819,7 +1843,7 @@ func (s *Server) Stop() { } for _, cs := range conns { for st := range cs { - st.Close() + st.Close(errors.New("Server.Stop called")) } } if s.opts.numServerWorkers > 0 { @@ -1855,7 +1879,7 @@ func (s *Server) GracefulStop() { if !s.drain { for _, conns := range s.conns { for st := range conns { - st.Drain() + st.Drain("graceful_stop") } } s.drain = true @@ -1944,6 +1968,60 @@ func SendHeader(ctx context.Context, md metadata.MD) error { return nil } +// SetSendCompressor sets a compressor for outbound messages from the server. +// It must not be called after any event that causes headers to be sent +// (see ServerStream.SetHeader for the complete list). Provided compressor is +// used when below conditions are met: +// +// - compressor is registered via encoding.RegisterCompressor +// - compressor name must exist in the client advertised compressor names +// sent in grpc-accept-encoding header. Use ClientSupportedCompressors to +// get client supported compressor names. +// +// The context provided must be the context passed to the server's handler. +// It must be noted that compressor name encoding.Identity disables the +// outbound compression. +// By default, server messages will be sent using the same compressor with +// which request messages were sent. +// +// It is not safe to call SetSendCompressor concurrently with SendHeader and +// SendMsg. +// +// # Experimental +// +// Notice: This function is EXPERIMENTAL and may be changed or removed in a +// later release. +func SetSendCompressor(ctx context.Context, name string) error { + stream, ok := ServerTransportStreamFromContext(ctx).(*transport.Stream) + if !ok || stream == nil { + return fmt.Errorf("failed to fetch the stream from the given context") + } + + if err := validateSendCompressor(name, stream.ClientAdvertisedCompressors()); err != nil { + return fmt.Errorf("unable to set send compressor: %w", err) + } + + return stream.SetSendCompress(name) +} + +// ClientSupportedCompressors returns compressor names advertised by the client +// via grpc-accept-encoding header. +// +// The context provided must be the context passed to the server's handler. +// +// # Experimental +// +// Notice: This function is EXPERIMENTAL and may be changed or removed in a +// later release. +func ClientSupportedCompressors(ctx context.Context) ([]string, error) { + stream, ok := ServerTransportStreamFromContext(ctx).(*transport.Stream) + if !ok || stream == nil { + return nil, fmt.Errorf("failed to fetch the stream from the given context %v", ctx) + } + + return strings.Split(stream.ClientAdvertisedCompressors(), ","), nil +} + // SetTrailer sets the trailer metadata that will be sent when an RPC returns. // When called more than once, all the provided metadata will be merged. // @@ -1978,3 +2056,22 @@ type channelzServer struct { func (c *channelzServer) ChannelzMetric() *channelz.ServerInternalMetric { return c.s.channelzMetric() } + +// validateSendCompressor returns an error when given compressor name cannot be +// handled by the server or the client based on the advertised compressors. +func validateSendCompressor(name, clientCompressors string) error { + if name == encoding.Identity { + return nil + } + + if !grpcutil.IsCompressorNameRegistered(name) { + return fmt.Errorf("compressor not registered %q", name) + } + + for _, c := range strings.Split(clientCompressors, ",") { + if c == name { + return nil // found match + } + } + return fmt.Errorf("client does not support compressor %q", name) +} diff --git a/vendor/google.golang.org/grpc/service_config.go b/vendor/google.golang.org/grpc/service_config.go index 01bbb2025..0df11fc09 100644 --- a/vendor/google.golang.org/grpc/service_config.go +++ b/vendor/google.golang.org/grpc/service_config.go @@ -23,8 +23,6 @@ import ( "errors" "fmt" "reflect" - "strconv" - "strings" "time" "google.golang.org/grpc/codes" @@ -106,8 +104,8 @@ type healthCheckConfig struct { type jsonRetryPolicy struct { MaxAttempts int - InitialBackoff string - MaxBackoff string + InitialBackoff internalserviceconfig.Duration + MaxBackoff internalserviceconfig.Duration BackoffMultiplier float64 RetryableStatusCodes []codes.Code } @@ -129,50 +127,6 @@ type retryThrottlingPolicy struct { TokenRatio float64 } -func parseDuration(s *string) (*time.Duration, error) { - if s == nil { - return nil, nil - } - if !strings.HasSuffix(*s, "s") { - return nil, fmt.Errorf("malformed duration %q", *s) - } - ss := strings.SplitN((*s)[:len(*s)-1], ".", 3) - if len(ss) > 2 { - return nil, fmt.Errorf("malformed duration %q", *s) - } - // hasDigits is set if either the whole or fractional part of the number is - // present, since both are optional but one is required. - hasDigits := false - var d time.Duration - if len(ss[0]) > 0 { - i, err := strconv.ParseInt(ss[0], 10, 32) - if err != nil { - return nil, fmt.Errorf("malformed duration %q: %v", *s, err) - } - d = time.Duration(i) * time.Second - hasDigits = true - } - if len(ss) == 2 && len(ss[1]) > 0 { - if len(ss[1]) > 9 { - return nil, fmt.Errorf("malformed duration %q", *s) - } - f, err := strconv.ParseInt(ss[1], 10, 64) - if err != nil { - return nil, fmt.Errorf("malformed duration %q: %v", *s, err) - } - for i := 9; i > len(ss[1]); i-- { - f *= 10 - } - d += time.Duration(f) - hasDigits = true - } - if !hasDigits { - return nil, fmt.Errorf("malformed duration %q", *s) - } - - return &d, nil -} - type jsonName struct { Service string Method string @@ -201,7 +155,7 @@ func (j jsonName) generatePath() (string, error) { type jsonMC struct { Name *[]jsonName WaitForReady *bool - Timeout *string + Timeout *internalserviceconfig.Duration MaxRequestMessageBytes *int64 MaxResponseMessageBytes *int64 RetryPolicy *jsonRetryPolicy @@ -226,7 +180,7 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult { var rsc jsonSC err := json.Unmarshal([]byte(js), &rsc) if err != nil { - logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err) + logger.Warningf("grpc: unmarshaling service config %s: %v", js, err) return &serviceconfig.ParseResult{Err: err} } sc := ServiceConfig{ @@ -252,18 +206,13 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult { if m.Name == nil { continue } - d, err := parseDuration(m.Timeout) - if err != nil { - logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err) - return &serviceconfig.ParseResult{Err: err} - } mc := MethodConfig{ WaitForReady: m.WaitForReady, - Timeout: d, + Timeout: (*time.Duration)(m.Timeout), } if mc.RetryPolicy, err = convertRetryPolicy(m.RetryPolicy); err != nil { - logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err) + logger.Warningf("grpc: unmarshaling service config %s: %v", js, err) return &serviceconfig.ParseResult{Err: err} } if m.MaxRequestMessageBytes != nil { @@ -283,13 +232,13 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult { for i, n := range *m.Name { path, err := n.generatePath() if err != nil { - logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to methodConfig[%d]: %v", js, i, err) + logger.Warningf("grpc: error unmarshaling service config %s due to methodConfig[%d]: %v", js, i, err) return &serviceconfig.ParseResult{Err: err} } if _, ok := paths[path]; ok { err = errDuplicatedName - logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to methodConfig[%d]: %v", js, i, err) + logger.Warningf("grpc: error unmarshaling service config %s due to methodConfig[%d]: %v", js, i, err) return &serviceconfig.ParseResult{Err: err} } paths[path] = struct{}{} @@ -312,18 +261,10 @@ func convertRetryPolicy(jrp *jsonRetryPolicy) (p *internalserviceconfig.RetryPol if jrp == nil { return nil, nil } - ib, err := parseDuration(&jrp.InitialBackoff) - if err != nil { - return nil, err - } - mb, err := parseDuration(&jrp.MaxBackoff) - if err != nil { - return nil, err - } if jrp.MaxAttempts <= 1 || - *ib <= 0 || - *mb <= 0 || + jrp.InitialBackoff <= 0 || + jrp.MaxBackoff <= 0 || jrp.BackoffMultiplier <= 0 || len(jrp.RetryableStatusCodes) == 0 { logger.Warningf("grpc: ignoring retry policy %v due to illegal configuration", jrp) @@ -332,8 +273,8 @@ func convertRetryPolicy(jrp *jsonRetryPolicy) (p *internalserviceconfig.RetryPol rp := &internalserviceconfig.RetryPolicy{ MaxAttempts: jrp.MaxAttempts, - InitialBackoff: *ib, - MaxBackoff: *mb, + InitialBackoff: time.Duration(jrp.InitialBackoff), + MaxBackoff: time.Duration(jrp.MaxBackoff), BackoffMultiplier: jrp.BackoffMultiplier, RetryableStatusCodes: make(map[codes.Code]bool), } diff --git a/vendor/google.golang.org/grpc/shared_buffer_pool.go b/vendor/google.golang.org/grpc/shared_buffer_pool.go new file mode 100644 index 000000000..c3a5a9ac1 --- /dev/null +++ b/vendor/google.golang.org/grpc/shared_buffer_pool.go @@ -0,0 +1,154 @@ +/* + * + * Copyright 2023 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package grpc + +import "sync" + +// SharedBufferPool is a pool of buffers that can be shared, resulting in +// decreased memory allocation. Currently, in gRPC-go, it is only utilized +// for parsing incoming messages. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +type SharedBufferPool interface { + // Get returns a buffer with specified length from the pool. + // + // The returned byte slice may be not zero initialized. + Get(length int) []byte + + // Put returns a buffer to the pool. + Put(*[]byte) +} + +// NewSharedBufferPool creates a simple SharedBufferPool with buckets +// of different sizes to optimize memory usage. This prevents the pool from +// wasting large amounts of memory, even when handling messages of varying sizes. +// +// # Experimental +// +// Notice: This API is EXPERIMENTAL and may be changed or removed in a +// later release. +func NewSharedBufferPool() SharedBufferPool { + return &simpleSharedBufferPool{ + pools: [poolArraySize]simpleSharedBufferChildPool{ + newBytesPool(level0PoolMaxSize), + newBytesPool(level1PoolMaxSize), + newBytesPool(level2PoolMaxSize), + newBytesPool(level3PoolMaxSize), + newBytesPool(level4PoolMaxSize), + newBytesPool(0), + }, + } +} + +// simpleSharedBufferPool is a simple implementation of SharedBufferPool. +type simpleSharedBufferPool struct { + pools [poolArraySize]simpleSharedBufferChildPool +} + +func (p *simpleSharedBufferPool) Get(size int) []byte { + return p.pools[p.poolIdx(size)].Get(size) +} + +func (p *simpleSharedBufferPool) Put(bs *[]byte) { + p.pools[p.poolIdx(cap(*bs))].Put(bs) +} + +func (p *simpleSharedBufferPool) poolIdx(size int) int { + switch { + case size <= level0PoolMaxSize: + return level0PoolIdx + case size <= level1PoolMaxSize: + return level1PoolIdx + case size <= level2PoolMaxSize: + return level2PoolIdx + case size <= level3PoolMaxSize: + return level3PoolIdx + case size <= level4PoolMaxSize: + return level4PoolIdx + default: + return levelMaxPoolIdx + } +} + +const ( + level0PoolMaxSize = 16 // 16 B + level1PoolMaxSize = level0PoolMaxSize * 16 // 256 B + level2PoolMaxSize = level1PoolMaxSize * 16 // 4 KB + level3PoolMaxSize = level2PoolMaxSize * 16 // 64 KB + level4PoolMaxSize = level3PoolMaxSize * 16 // 1 MB +) + +const ( + level0PoolIdx = iota + level1PoolIdx + level2PoolIdx + level3PoolIdx + level4PoolIdx + levelMaxPoolIdx + poolArraySize +) + +type simpleSharedBufferChildPool interface { + Get(size int) []byte + Put(interface{}) +} + +type bufferPool struct { + sync.Pool + + defaultSize int +} + +func (p *bufferPool) Get(size int) []byte { + bs := p.Pool.Get().(*[]byte) + + if cap(*bs) < size { + p.Pool.Put(bs) + + return make([]byte, size) + } + + return (*bs)[:size] +} + +func newBytesPool(size int) simpleSharedBufferChildPool { + return &bufferPool{ + Pool: sync.Pool{ + New: func() interface{} { + bs := make([]byte, size) + return &bs + }, + }, + defaultSize: size, + } +} + +// nopBufferPool is a buffer pool just makes new buffer without pooling. +type nopBufferPool struct { +} + +func (nopBufferPool) Get(length int) []byte { + return make([]byte, length) +} + +func (nopBufferPool) Put(*[]byte) { +} diff --git a/vendor/google.golang.org/grpc/stats/stats.go b/vendor/google.golang.org/grpc/stats/stats.go index 0285dcc6a..7a552a9b7 100644 --- a/vendor/google.golang.org/grpc/stats/stats.go +++ b/vendor/google.golang.org/grpc/stats/stats.go @@ -67,10 +67,18 @@ type InPayload struct { Payload interface{} // Data is the serialized message payload. Data []byte - // Length is the length of uncompressed data. + + // Length is the size of the uncompressed payload data. Does not include any + // framing (gRPC or HTTP/2). Length int - // WireLength is the length of data on wire (compressed, signed, encrypted). + // CompressedLength is the size of the compressed payload data. Does not + // include any framing (gRPC or HTTP/2). Same as Length if compression not + // enabled. + CompressedLength int + // WireLength is the size of the compressed payload data plus gRPC framing. + // Does not include HTTP/2 framing. WireLength int + // RecvTime is the time when the payload is received. RecvTime time.Time } @@ -129,9 +137,15 @@ type OutPayload struct { Payload interface{} // Data is the serialized message payload. Data []byte - // Length is the length of uncompressed data. + // Length is the size of the uncompressed payload data. Does not include any + // framing (gRPC or HTTP/2). Length int - // WireLength is the length of data on wire (compressed, signed, encrypted). + // CompressedLength is the size of the compressed payload data. Does not + // include any framing (gRPC or HTTP/2). Same as Length if compression not + // enabled. + CompressedLength int + // WireLength is the size of the compressed payload data plus gRPC framing. + // Does not include HTTP/2 framing. WireLength int // SentTime is the time when the payload is sent. SentTime time.Time diff --git a/vendor/google.golang.org/grpc/status/status.go b/vendor/google.golang.org/grpc/status/status.go index 623be39f2..bcf2e4d81 100644 --- a/vendor/google.golang.org/grpc/status/status.go +++ b/vendor/google.golang.org/grpc/status/status.go @@ -77,9 +77,18 @@ func FromProto(s *spb.Status) *Status { // FromError returns a Status representation of err. // // - If err was produced by this package or implements the method `GRPCStatus() -// *Status`, the appropriate Status is returned. +// *Status` and `GRPCStatus()` does not return nil, or if err wraps a type +// satisfying this, the Status from `GRPCStatus()` is returned. For wrapped +// errors, the message returned contains the entire err.Error() text and not +// just the wrapped status. In that case, ok is true. // -// - If err is nil, a Status is returned with codes.OK and no message. +// - If err is nil, a Status is returned with codes.OK and no message, and ok +// is true. +// +// - If err implements the method `GRPCStatus() *Status` and `GRPCStatus()` +// returns nil (which maps to Codes.OK), or if err wraps a type +// satisfying this, a Status is returned with codes.Unknown and err's +// Error() message, and ok is false. // // - Otherwise, err is an error not compatible with this package. In this // case, a Status is returned with codes.Unknown and err's Error() message, @@ -88,10 +97,29 @@ func FromError(err error) (s *Status, ok bool) { if err == nil { return nil, true } - if se, ok := err.(interface { - GRPCStatus() *Status - }); ok { - return se.GRPCStatus(), true + type grpcstatus interface{ GRPCStatus() *Status } + if gs, ok := err.(grpcstatus); ok { + if gs.GRPCStatus() == nil { + // Error has status nil, which maps to codes.OK. There + // is no sensible behavior for this, so we turn it into + // an error with codes.Unknown and discard the existing + // status. + return New(codes.Unknown, err.Error()), false + } + return gs.GRPCStatus(), true + } + var gs grpcstatus + if errors.As(err, &gs) { + if gs.GRPCStatus() == nil { + // Error wraps an error that has status nil, which maps + // to codes.OK. There is no sensible behavior for this, + // so we turn it into an error with codes.Unknown and + // discard the existing status. + return New(codes.Unknown, err.Error()), false + } + p := gs.GRPCStatus().Proto() + p.Message = err.Error() + return status.FromProto(p), true } return New(codes.Unknown, err.Error()), false } @@ -103,19 +131,16 @@ func Convert(err error) *Status { return s } -// Code returns the Code of the error if it is a Status error, codes.OK if err -// is nil, or codes.Unknown otherwise. +// Code returns the Code of the error if it is a Status error or if it wraps a +// Status error. If that is not the case, it returns codes.OK if err is nil, or +// codes.Unknown otherwise. func Code(err error) codes.Code { // Don't use FromError to avoid allocation of OK status. if err == nil { return codes.OK } - if se, ok := err.(interface { - GRPCStatus() *Status - }); ok { - return se.GRPCStatus().Code() - } - return codes.Unknown + + return Convert(err).Code() } // FromContextError converts a context error or wrapped context error into a diff --git a/vendor/google.golang.org/grpc/stream.go b/vendor/google.golang.org/grpc/stream.go index 960c3e33d..de32a7597 100644 --- a/vendor/google.golang.org/grpc/stream.go +++ b/vendor/google.golang.org/grpc/stream.go @@ -123,6 +123,9 @@ type ClientStream interface { // calling RecvMsg on the same stream at the same time, but it is not safe // to call SendMsg on the same stream in different goroutines. It is also // not safe to call CloseSend concurrently with SendMsg. + // + // It is not safe to modify the message after calling SendMsg. Tracing + // libraries and stats handlers may use the message lazily. SendMsg(m interface{}) error // RecvMsg blocks until it receives a message into m or the stream is // done. It returns io.EOF when the stream completes successfully. On @@ -152,6 +155,11 @@ type ClientStream interface { // If none of the above happen, a goroutine and a context will be leaked, and grpc // will not call the optionally-configured stats handler with a stats.End message. func (cc *ClientConn) NewStream(ctx context.Context, desc *StreamDesc, method string, opts ...CallOption) (ClientStream, error) { + if err := cc.idlenessMgr.onCallBegin(); err != nil { + return nil, err + } + defer cc.idlenessMgr.onCallEnd() + // allow interceptor to see all applicable call options, which means those // configured as defaults from dial option as well as per-call options opts = combine(cc.dopts.callOptions, opts) @@ -168,10 +176,19 @@ func NewClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth } func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, opts ...CallOption) (_ ClientStream, err error) { - if md, _, ok := metadata.FromOutgoingContextRaw(ctx); ok { + if md, added, ok := metadata.FromOutgoingContextRaw(ctx); ok { + // validate md if err := imetadata.Validate(md); err != nil { return nil, status.Error(codes.Internal, err.Error()) } + // validate added + for _, kvs := range added { + for i := 0; i < len(kvs); i += 2 { + if err := imetadata.ValidatePair(kvs[i], kvs[i+1]); err != nil { + return nil, status.Error(codes.Internal, err.Error()) + } + } + } } if channelz.IsOn() { cc.incrCallsStarted() @@ -352,7 +369,7 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client } } for _, binlog := range cs.binlogs { - binlog.Log(logEntry) + binlog.Log(cs.ctx, logEntry) } } @@ -416,7 +433,7 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error) ctx = trace.NewContext(ctx, trInfo.tr) } - if cs.cc.parsedTarget.Scheme == "xds" { + if cs.cc.parsedTarget.URL.Scheme == "xds" { // Add extra metadata (metadata that will be added by transport) to context // so the balancer can see them. ctx = grpcutil.WithExtraMetadata(ctx, metadata.Pairs( @@ -438,7 +455,7 @@ func (a *csAttempt) getTransport() error { cs := a.cs var err error - a.t, a.done, err = cs.cc.getTransport(a.ctx, cs.callInfo.failFast, cs.callHdr.Method) + a.t, a.pickResult, err = cs.cc.getTransport(a.ctx, cs.callInfo.failFast, cs.callHdr.Method) if err != nil { if de, ok := err.(dropError); ok { err = de.error @@ -455,6 +472,25 @@ func (a *csAttempt) getTransport() error { func (a *csAttempt) newStream() error { cs := a.cs cs.callHdr.PreviousAttempts = cs.numRetries + + // Merge metadata stored in PickResult, if any, with existing call metadata. + // It is safe to overwrite the csAttempt's context here, since all state + // maintained in it are local to the attempt. When the attempt has to be + // retried, a new instance of csAttempt will be created. + if a.pickResult.Metadata != nil { + // We currently do not have a function it the metadata package which + // merges given metadata with existing metadata in a context. Existing + // function `AppendToOutgoingContext()` takes a variadic argument of key + // value pairs. + // + // TODO: Make it possible to retrieve key value pairs from metadata.MD + // in a form passable to AppendToOutgoingContext(), or create a version + // of AppendToOutgoingContext() that accepts a metadata.MD. + md, _ := metadata.FromOutgoingContext(a.ctx) + md = metadata.Join(md, a.pickResult.Metadata) + a.ctx = metadata.NewOutgoingContext(a.ctx, md) + } + s, err := a.t.NewStream(a.ctx, cs.callHdr) if err != nil { nse, ok := err.(*transport.NewStreamError) @@ -471,7 +507,7 @@ func (a *csAttempt) newStream() error { return toRPCErr(nse.Err) } a.s = s - a.p = &parser{r: s} + a.p = &parser{r: s, recvBufferPool: a.cs.cc.dopts.recvBufferPool} return nil } @@ -529,12 +565,12 @@ type clientStream struct { // csAttempt implements a single transport stream attempt within a // clientStream. type csAttempt struct { - ctx context.Context - cs *clientStream - t transport.ClientTransport - s *transport.Stream - p *parser - done func(balancer.DoneInfo) + ctx context.Context + cs *clientStream + t transport.ClientTransport + s *transport.Stream + p *parser + pickResult balancer.PickResult finished bool dc Decompressor @@ -781,7 +817,7 @@ func (cs *clientStream) Header() (metadata.MD, error) { } cs.serverHeaderBinlogged = true for _, binlog := range cs.binlogs { - binlog.Log(logEntry) + binlog.Log(cs.ctx, logEntry) } } return m, nil @@ -862,7 +898,7 @@ func (cs *clientStream) SendMsg(m interface{}) (err error) { Message: data, } for _, binlog := range cs.binlogs { - binlog.Log(cm) + binlog.Log(cs.ctx, cm) } } return err @@ -886,7 +922,7 @@ func (cs *clientStream) RecvMsg(m interface{}) error { Message: recvInfo.uncompressedBytes, } for _, binlog := range cs.binlogs { - binlog.Log(sm) + binlog.Log(cs.ctx, sm) } } if err != nil || !cs.desc.ServerStreams { @@ -907,7 +943,7 @@ func (cs *clientStream) RecvMsg(m interface{}) error { logEntry.PeerAddr = peer.Addr } for _, binlog := range cs.binlogs { - binlog.Log(logEntry) + binlog.Log(cs.ctx, logEntry) } } } @@ -934,7 +970,7 @@ func (cs *clientStream) CloseSend() error { OnClientSide: true, } for _, binlog := range cs.binlogs { - binlog.Log(chc) + binlog.Log(cs.ctx, chc) } } // We never returned an error here for reasons. @@ -952,6 +988,9 @@ func (cs *clientStream) finish(err error) { return } cs.finished = true + for _, onFinish := range cs.callInfo.onFinish { + onFinish(err) + } cs.commitAttemptLocked() if cs.attempt != nil { cs.attempt.finish(err) @@ -973,7 +1012,7 @@ func (cs *clientStream) finish(err error) { OnClientSide: true, } for _, binlog := range cs.binlogs { - binlog.Log(c) + binlog.Log(cs.ctx, c) } } if err == nil { @@ -1062,9 +1101,10 @@ func (a *csAttempt) recvMsg(m interface{}, payInfo *payloadInfo) (err error) { RecvTime: time.Now(), Payload: m, // TODO truncate large payload. - Data: payInfo.uncompressedBytes, - WireLength: payInfo.wireLength + headerLen, - Length: len(payInfo.uncompressedBytes), + Data: payInfo.uncompressedBytes, + WireLength: payInfo.compressedLength + headerLen, + CompressedLength: payInfo.compressedLength, + Length: len(payInfo.uncompressedBytes), }) } if channelz.IsOn() { @@ -1103,12 +1143,12 @@ func (a *csAttempt) finish(err error) { tr = a.s.Trailer() } - if a.done != nil { + if a.pickResult.Done != nil { br := false if a.s != nil { br = a.s.BytesReceived() } - a.done(balancer.DoneInfo{ + a.pickResult.Done(balancer.DoneInfo{ Err: err, Trailer: tr, BytesSent: a.s != nil, @@ -1230,17 +1270,22 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin return nil, err } as.s = s - as.p = &parser{r: s} + as.p = &parser{r: s, recvBufferPool: ac.dopts.recvBufferPool} ac.incrCallsStarted() if desc != unaryStreamDesc { - // Listen on cc and stream contexts to cleanup when the user closes the - // ClientConn or cancels the stream context. In all other cases, an error - // should already be injected into the recv buffer by the transport, which - // the client will eventually receive, and then we will cancel the stream's - // context in clientStream.finish. + // Listen on stream context to cleanup when the stream context is + // canceled. Also listen for the addrConn's context in case the + // addrConn is closed or reconnects to a different address. In all + // other cases, an error should already be injected into the recv + // buffer by the transport, which the client will eventually receive, + // and then we will cancel the stream's context in + // addrConnStream.finish. go func() { + ac.mu.Lock() + acCtx := ac.ctx + ac.mu.Unlock() select { - case <-ac.ctx.Done(): + case <-acCtx.Done(): as.finish(status.Error(codes.Canceled, "grpc: the SubConn is closing")) case <-ctx.Done(): as.finish(toRPCErr(ctx.Err())) @@ -1464,6 +1509,9 @@ type ServerStream interface { // It is safe to have a goroutine calling SendMsg and another goroutine // calling RecvMsg on the same stream at the same time, but it is not safe // to call SendMsg on the same stream in different goroutines. + // + // It is not safe to modify the message after calling SendMsg. Tracing + // libraries and stats handlers may use the message lazily. SendMsg(m interface{}) error // RecvMsg blocks until it receives a message into m or the stream is // done. It returns io.EOF when the client has performed a CloseSend. On @@ -1489,6 +1537,8 @@ type serverStream struct { comp encoding.Compressor decomp encoding.Compressor + sendCompressorName string + maxReceiveMessageSize int maxSendMessageSize int trInfo *traceInfo @@ -1536,7 +1586,7 @@ func (ss *serverStream) SendHeader(md metadata.MD) error { } ss.serverHeaderBinlogged = true for _, binlog := range ss.binlogs { - binlog.Log(sh) + binlog.Log(ss.ctx, sh) } } return err @@ -1581,6 +1631,13 @@ func (ss *serverStream) SendMsg(m interface{}) (err error) { } }() + // Server handler could have set new compressor by calling SetSendCompressor. + // In case it is set, we need to use it for compressing outbound message. + if sendCompressorsName := ss.s.SendCompress(); sendCompressorsName != ss.sendCompressorName { + ss.comp = encoding.GetCompressor(sendCompressorsName) + ss.sendCompressorName = sendCompressorsName + } + // load hdr, payload, data hdr, payload, data, err := prepareMsg(m, ss.codec, ss.cp, ss.comp) if err != nil { @@ -1602,14 +1659,14 @@ func (ss *serverStream) SendMsg(m interface{}) (err error) { } ss.serverHeaderBinlogged = true for _, binlog := range ss.binlogs { - binlog.Log(sh) + binlog.Log(ss.ctx, sh) } } sm := &binarylog.ServerMessage{ Message: data, } for _, binlog := range ss.binlogs { - binlog.Log(sm) + binlog.Log(ss.ctx, sm) } } if len(ss.statsHandler) != 0 { @@ -1657,7 +1714,7 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) { if len(ss.binlogs) != 0 { chc := &binarylog.ClientHalfClose{} for _, binlog := range ss.binlogs { - binlog.Log(chc) + binlog.Log(ss.ctx, chc) } } return err @@ -1673,9 +1730,10 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) { RecvTime: time.Now(), Payload: m, // TODO truncate large payload. - Data: payInfo.uncompressedBytes, - WireLength: payInfo.wireLength + headerLen, - Length: len(payInfo.uncompressedBytes), + Data: payInfo.uncompressedBytes, + Length: len(payInfo.uncompressedBytes), + WireLength: payInfo.compressedLength + headerLen, + CompressedLength: payInfo.compressedLength, }) } } @@ -1684,7 +1742,7 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) { Message: payInfo.uncompressedBytes, } for _, binlog := range ss.binlogs { - binlog.Log(cm) + binlog.Log(ss.ctx, cm) } } return nil diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go index 2198e7098..353cfd528 100644 --- a/vendor/google.golang.org/grpc/version.go +++ b/vendor/google.golang.org/grpc/version.go @@ -19,4 +19,4 @@ package grpc // Version is the current grpc version. -const Version = "1.51.0" +const Version = "1.57.0" diff --git a/vendor/google.golang.org/grpc/vet.sh b/vendor/google.golang.org/grpc/vet.sh index bd8e0cdb3..a8e4732b3 100644 --- a/vendor/google.golang.org/grpc/vet.sh +++ b/vendor/google.golang.org/grpc/vet.sh @@ -41,16 +41,8 @@ if [[ "$1" = "-install" ]]; then github.com/client9/misspell/cmd/misspell popd if [[ -z "${VET_SKIP_PROTO}" ]]; then - if [[ "${TRAVIS}" = "true" ]]; then - PROTOBUF_VERSION=3.14.0 - PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip - pushd /home/travis - wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME} - unzip ${PROTOC_FILENAME} - bin/protoc --version - popd - elif [[ "${GITHUB_ACTIONS}" = "true" ]]; then - PROTOBUF_VERSION=3.14.0 + if [[ "${GITHUB_ACTIONS}" = "true" ]]; then + PROTOBUF_VERSION=22.0 # a.k.a v4.22.0 in pb.go files. PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip pushd /home/runner/go wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME} @@ -66,6 +58,16 @@ elif [[ "$#" -ne 0 ]]; then die "Unknown argument(s): $*" fi +# - Check that generated proto files are up to date. +if [[ -z "${VET_SKIP_PROTO}" ]]; then + make proto && git status --porcelain 2>&1 | fail_on_output || \ + (git status; git --no-pager diff; exit 1) +fi + +if [[ -n "${VET_ONLY_PROTO}" ]]; then + exit 0 +fi + # - Ensure all source files contain a copyright message. # (Done in two parts because Darwin "git grep" has broken support for compound # exclusion matches.) @@ -93,13 +95,6 @@ git grep '"github.com/envoyproxy/go-control-plane/envoy' -- '*.go' ':(exclude)*. misspell -error . -# - Check that generated proto files are up to date. -if [[ -z "${VET_SKIP_PROTO}" ]]; then - PATH="/home/travis/bin:${PATH}" make proto && \ - git status --porcelain 2>&1 | fail_on_output || \ - (git status; git --no-pager diff; exit 1) -fi - # - gofmt, goimports, golint (with exceptions for generated code), go vet, # go mod tidy. # Perform these checks on each module inside gRPC. @@ -111,7 +106,7 @@ for MOD_FILE in $(find . -name 'go.mod'); do goimports -l . 2>&1 | not grep -vE "\.pb\.go" golint ./... 2>&1 | not grep -vE "/grpc_testing_not_regenerate/.*\.pb\.go:" - go mod tidy + go mod tidy -compat=1.17 git status --porcelain 2>&1 | fail_on_output || \ (git status; git --no-pager diff; exit 1) popd @@ -121,8 +116,9 @@ done # # TODO(dfawley): don't use deprecated functions in examples or first-party # plugins. +# TODO(dfawley): enable ST1019 (duplicate imports) but allow for protobufs. SC_OUT="$(mktemp)" -staticcheck -go 1.9 -checks 'inherit,-ST1015' ./... > "${SC_OUT}" || true +staticcheck -go 1.19 -checks 'inherit,-ST1015,-ST1019,-SA1019' ./... > "${SC_OUT}" || true # Error if anything other than deprecation warnings are printed. not grep -v "is deprecated:.*SA1019" "${SC_OUT}" # Only ignore the following deprecated types/fields/functions. diff --git a/vendor/google.golang.org/protobuf/encoding/protojson/doc.go b/vendor/google.golang.org/protobuf/encoding/protojson/doc.go index 00ea2fecf..21d5d2cb1 100644 --- a/vendor/google.golang.org/protobuf/encoding/protojson/doc.go +++ b/vendor/google.golang.org/protobuf/encoding/protojson/doc.go @@ -4,7 +4,7 @@ // Package protojson marshals and unmarshals protocol buffer messages as JSON // format. It follows the guide at -// https://developers.google.com/protocol-buffers/docs/proto3#json. +// https://protobuf.dev/programming-guides/proto3#json. // // This package produces a different output than the standard "encoding/json" // package, which does not operate correctly on protocol buffer messages. diff --git a/vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go b/vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go index c85f84694..6c37d4174 100644 --- a/vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go +++ b/vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go @@ -814,16 +814,22 @@ func (d decoder) unmarshalTimestamp(m protoreflect.Message) error { return d.unexpectedTokenError(tok) } - t, err := time.Parse(time.RFC3339Nano, tok.ParsedString()) + s := tok.ParsedString() + t, err := time.Parse(time.RFC3339Nano, s) if err != nil { return d.newError(tok.Pos(), "invalid %v value %v", genid.Timestamp_message_fullname, tok.RawString()) } - // Validate seconds. No need to validate nanos because time.Parse would have - // covered that already. + // Validate seconds. secs := t.Unix() if secs < minTimestampSeconds || secs > maxTimestampSeconds { return d.newError(tok.Pos(), "%v value out of range: %v", genid.Timestamp_message_fullname, tok.RawString()) } + // Validate subseconds. + i := strings.LastIndexByte(s, '.') // start of subsecond field + j := strings.LastIndexAny(s, "Z-+") // start of timezone field + if i >= 0 && j >= i && j-i > len(".999999999") { + return d.newError(tok.Pos(), "invalid %v value %v", genid.Timestamp_message_fullname, tok.RawString()) + } fds := m.Descriptor().Fields() fdSeconds := fds.ByNumber(genid.Timestamp_Seconds_field_number) diff --git a/vendor/google.golang.org/protobuf/encoding/protowire/wire.go b/vendor/google.golang.org/protobuf/encoding/protowire/wire.go index ce57f57eb..f4b4686cf 100644 --- a/vendor/google.golang.org/protobuf/encoding/protowire/wire.go +++ b/vendor/google.golang.org/protobuf/encoding/protowire/wire.go @@ -3,7 +3,7 @@ // license that can be found in the LICENSE file. // Package protowire parses and formats the raw wire encoding. -// See https://developers.google.com/protocol-buffers/docs/encoding. +// See https://protobuf.dev/programming-guides/encoding. // // For marshaling and unmarshaling entire protobuf messages, // use the "google.golang.org/protobuf/proto" package instead. @@ -29,12 +29,8 @@ const ( ) // IsValid reports whether the field number is semantically valid. -// -// Note that while numbers within the reserved range are semantically invalid, -// they are syntactically valid in the wire format. -// Implementations may treat records with reserved field numbers as unknown. func (n Number) IsValid() bool { - return MinValidNumber <= n && n < FirstReservedNumber || LastReservedNumber < n && n <= MaxValidNumber + return MinValidNumber <= n && n <= MaxValidNumber } // Type represents the wire type. diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go index b13fd29e8..d043a6ebe 100644 --- a/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go +++ b/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go @@ -294,7 +294,7 @@ func (d *Decoder) isValueNext() bool { } // consumeToken constructs a Token for given Kind with raw value derived from -// current d.in and given size, and consumes the given size-lenght of it. +// current d.in and given size, and consumes the given size-length of it. func (d *Decoder) consumeToken(kind Kind, size int) Token { tok := Token{ kind: kind, diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/decode.go b/vendor/google.golang.org/protobuf/internal/encoding/text/decode.go index 427c62d03..87853e786 100644 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/decode.go +++ b/vendor/google.golang.org/protobuf/internal/encoding/text/decode.go @@ -412,12 +412,13 @@ func (d *Decoder) parseFieldName() (tok Token, err error) { // Field number. Identify if input is a valid number that is not negative // and is decimal integer within 32-bit range. if num := parseNumber(d.in); num.size > 0 { + str := num.string(d.in) if !num.neg && num.kind == numDec { - if _, err := strconv.ParseInt(string(d.in[:num.size]), 10, 32); err == nil { + if _, err := strconv.ParseInt(str, 10, 32); err == nil { return d.consumeToken(Name, num.size, uint8(FieldNumber)), nil } } - return Token{}, d.newSyntaxError("invalid field number: %s", d.in[:num.size]) + return Token{}, d.newSyntaxError("invalid field number: %s", str) } return Token{}, d.newSyntaxError("invalid field name: %s", errId(d.in)) diff --git a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go b/vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go index 81a5d8c86..45c81f029 100644 --- a/vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go +++ b/vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go @@ -15,17 +15,12 @@ func (d *Decoder) parseNumberValue() (Token, bool) { if num.neg { numAttrs |= isNegative } - strSize := num.size - last := num.size - 1 - if num.kind == numFloat && (d.in[last] == 'f' || d.in[last] == 'F') { - strSize = last - } tok := Token{ kind: Scalar, attrs: numberValue, pos: len(d.orig) - len(d.in), raw: d.in[:num.size], - str: string(d.in[:strSize]), + str: num.string(d.in), numAttrs: numAttrs, } d.consume(num.size) @@ -46,6 +41,27 @@ type number struct { kind uint8 neg bool size int + // if neg, this is the length of whitespace and comments between + // the minus sign and the rest fo the number literal + sep int +} + +func (num number) string(data []byte) string { + strSize := num.size + last := num.size - 1 + if num.kind == numFloat && (data[last] == 'f' || data[last] == 'F') { + strSize = last + } + if num.neg && num.sep > 0 { + // strip whitespace/comments between negative sign and the rest + strLen := strSize - num.sep + str := make([]byte, strLen) + str[0] = data[0] + copy(str[1:], data[num.sep+1:strSize]) + return string(str) + } + return string(data[:strSize]) + } // parseNumber constructs a number object from given input. It allows for the @@ -67,19 +83,22 @@ func parseNumber(input []byte) number { } // Optional - + var sep int if s[0] == '-' { neg = true s = s[1:] size++ + // Consume any whitespace or comments between the + // negative sign and the rest of the number + lenBefore := len(s) + s = consume(s, 0) + sep = lenBefore - len(s) + size += sep if len(s) == 0 { return number{} } } - // C++ allows for whitespace and comments in between the negative sign and - // the rest of the number. This logic currently does not but is consistent - // with v1. - switch { case s[0] == '0': if len(s) > 1 { @@ -116,7 +135,7 @@ func parseNumber(input []byte) number { if len(s) > 0 && !isDelim(s[0]) { return number{} } - return number{kind: kind, neg: neg, size: size} + return number{kind: kind, neg: neg, size: size, sep: sep} } } s = s[1:] @@ -188,5 +207,5 @@ func parseNumber(input []byte) number { return number{} } - return number{kind: kind, neg: neg, size: size} + return number{kind: kind, neg: neg, size: size, sep: sep} } diff --git a/vendor/google.golang.org/protobuf/internal/genid/descriptor_gen.go b/vendor/google.golang.org/protobuf/internal/genid/descriptor_gen.go index e3cdf1c20..5c0e8f73f 100644 --- a/vendor/google.golang.org/protobuf/internal/genid/descriptor_gen.go +++ b/vendor/google.golang.org/protobuf/internal/genid/descriptor_gen.go @@ -50,6 +50,7 @@ const ( FileDescriptorProto_Options_field_name protoreflect.Name = "options" FileDescriptorProto_SourceCodeInfo_field_name protoreflect.Name = "source_code_info" FileDescriptorProto_Syntax_field_name protoreflect.Name = "syntax" + FileDescriptorProto_Edition_field_name protoreflect.Name = "edition" FileDescriptorProto_Name_field_fullname protoreflect.FullName = "google.protobuf.FileDescriptorProto.name" FileDescriptorProto_Package_field_fullname protoreflect.FullName = "google.protobuf.FileDescriptorProto.package" @@ -63,6 +64,7 @@ const ( FileDescriptorProto_Options_field_fullname protoreflect.FullName = "google.protobuf.FileDescriptorProto.options" FileDescriptorProto_SourceCodeInfo_field_fullname protoreflect.FullName = "google.protobuf.FileDescriptorProto.source_code_info" FileDescriptorProto_Syntax_field_fullname protoreflect.FullName = "google.protobuf.FileDescriptorProto.syntax" + FileDescriptorProto_Edition_field_fullname protoreflect.FullName = "google.protobuf.FileDescriptorProto.edition" ) // Field numbers for google.protobuf.FileDescriptorProto. @@ -79,6 +81,7 @@ const ( FileDescriptorProto_Options_field_number protoreflect.FieldNumber = 8 FileDescriptorProto_SourceCodeInfo_field_number protoreflect.FieldNumber = 9 FileDescriptorProto_Syntax_field_number protoreflect.FieldNumber = 12 + FileDescriptorProto_Edition_field_number protoreflect.FieldNumber = 13 ) // Names for google.protobuf.DescriptorProto. @@ -494,26 +497,29 @@ const ( // Field names for google.protobuf.MessageOptions. const ( - MessageOptions_MessageSetWireFormat_field_name protoreflect.Name = "message_set_wire_format" - MessageOptions_NoStandardDescriptorAccessor_field_name protoreflect.Name = "no_standard_descriptor_accessor" - MessageOptions_Deprecated_field_name protoreflect.Name = "deprecated" - MessageOptions_MapEntry_field_name protoreflect.Name = "map_entry" - MessageOptions_UninterpretedOption_field_name protoreflect.Name = "uninterpreted_option" + MessageOptions_MessageSetWireFormat_field_name protoreflect.Name = "message_set_wire_format" + MessageOptions_NoStandardDescriptorAccessor_field_name protoreflect.Name = "no_standard_descriptor_accessor" + MessageOptions_Deprecated_field_name protoreflect.Name = "deprecated" + MessageOptions_MapEntry_field_name protoreflect.Name = "map_entry" + MessageOptions_DeprecatedLegacyJsonFieldConflicts_field_name protoreflect.Name = "deprecated_legacy_json_field_conflicts" + MessageOptions_UninterpretedOption_field_name protoreflect.Name = "uninterpreted_option" - MessageOptions_MessageSetWireFormat_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.message_set_wire_format" - MessageOptions_NoStandardDescriptorAccessor_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.no_standard_descriptor_accessor" - MessageOptions_Deprecated_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.deprecated" - MessageOptions_MapEntry_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.map_entry" - MessageOptions_UninterpretedOption_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.uninterpreted_option" + MessageOptions_MessageSetWireFormat_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.message_set_wire_format" + MessageOptions_NoStandardDescriptorAccessor_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.no_standard_descriptor_accessor" + MessageOptions_Deprecated_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.deprecated" + MessageOptions_MapEntry_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.map_entry" + MessageOptions_DeprecatedLegacyJsonFieldConflicts_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.deprecated_legacy_json_field_conflicts" + MessageOptions_UninterpretedOption_field_fullname protoreflect.FullName = "google.protobuf.MessageOptions.uninterpreted_option" ) // Field numbers for google.protobuf.MessageOptions. const ( - MessageOptions_MessageSetWireFormat_field_number protoreflect.FieldNumber = 1 - MessageOptions_NoStandardDescriptorAccessor_field_number protoreflect.FieldNumber = 2 - MessageOptions_Deprecated_field_number protoreflect.FieldNumber = 3 - MessageOptions_MapEntry_field_number protoreflect.FieldNumber = 7 - MessageOptions_UninterpretedOption_field_number protoreflect.FieldNumber = 999 + MessageOptions_MessageSetWireFormat_field_number protoreflect.FieldNumber = 1 + MessageOptions_NoStandardDescriptorAccessor_field_number protoreflect.FieldNumber = 2 + MessageOptions_Deprecated_field_number protoreflect.FieldNumber = 3 + MessageOptions_MapEntry_field_number protoreflect.FieldNumber = 7 + MessageOptions_DeprecatedLegacyJsonFieldConflicts_field_number protoreflect.FieldNumber = 11 + MessageOptions_UninterpretedOption_field_number protoreflect.FieldNumber = 999 ) // Names for google.protobuf.FieldOptions. @@ -528,16 +534,24 @@ const ( FieldOptions_Packed_field_name protoreflect.Name = "packed" FieldOptions_Jstype_field_name protoreflect.Name = "jstype" FieldOptions_Lazy_field_name protoreflect.Name = "lazy" + FieldOptions_UnverifiedLazy_field_name protoreflect.Name = "unverified_lazy" FieldOptions_Deprecated_field_name protoreflect.Name = "deprecated" FieldOptions_Weak_field_name protoreflect.Name = "weak" + FieldOptions_DebugRedact_field_name protoreflect.Name = "debug_redact" + FieldOptions_Retention_field_name protoreflect.Name = "retention" + FieldOptions_Target_field_name protoreflect.Name = "target" FieldOptions_UninterpretedOption_field_name protoreflect.Name = "uninterpreted_option" FieldOptions_Ctype_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.ctype" FieldOptions_Packed_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.packed" FieldOptions_Jstype_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.jstype" FieldOptions_Lazy_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.lazy" + FieldOptions_UnverifiedLazy_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.unverified_lazy" FieldOptions_Deprecated_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.deprecated" FieldOptions_Weak_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.weak" + FieldOptions_DebugRedact_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.debug_redact" + FieldOptions_Retention_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.retention" + FieldOptions_Target_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.target" FieldOptions_UninterpretedOption_field_fullname protoreflect.FullName = "google.protobuf.FieldOptions.uninterpreted_option" ) @@ -547,8 +561,12 @@ const ( FieldOptions_Packed_field_number protoreflect.FieldNumber = 2 FieldOptions_Jstype_field_number protoreflect.FieldNumber = 6 FieldOptions_Lazy_field_number protoreflect.FieldNumber = 5 + FieldOptions_UnverifiedLazy_field_number protoreflect.FieldNumber = 15 FieldOptions_Deprecated_field_number protoreflect.FieldNumber = 3 FieldOptions_Weak_field_number protoreflect.FieldNumber = 10 + FieldOptions_DebugRedact_field_number protoreflect.FieldNumber = 16 + FieldOptions_Retention_field_number protoreflect.FieldNumber = 17 + FieldOptions_Target_field_number protoreflect.FieldNumber = 18 FieldOptions_UninterpretedOption_field_number protoreflect.FieldNumber = 999 ) @@ -564,6 +582,18 @@ const ( FieldOptions_JSType_enum_name = "JSType" ) +// Full and short names for google.protobuf.FieldOptions.OptionRetention. +const ( + FieldOptions_OptionRetention_enum_fullname = "google.protobuf.FieldOptions.OptionRetention" + FieldOptions_OptionRetention_enum_name = "OptionRetention" +) + +// Full and short names for google.protobuf.FieldOptions.OptionTargetType. +const ( + FieldOptions_OptionTargetType_enum_fullname = "google.protobuf.FieldOptions.OptionTargetType" + FieldOptions_OptionTargetType_enum_name = "OptionTargetType" +) + // Names for google.protobuf.OneofOptions. const ( OneofOptions_message_name protoreflect.Name = "OneofOptions" @@ -590,20 +620,23 @@ const ( // Field names for google.protobuf.EnumOptions. const ( - EnumOptions_AllowAlias_field_name protoreflect.Name = "allow_alias" - EnumOptions_Deprecated_field_name protoreflect.Name = "deprecated" - EnumOptions_UninterpretedOption_field_name protoreflect.Name = "uninterpreted_option" + EnumOptions_AllowAlias_field_name protoreflect.Name = "allow_alias" + EnumOptions_Deprecated_field_name protoreflect.Name = "deprecated" + EnumOptions_DeprecatedLegacyJsonFieldConflicts_field_name protoreflect.Name = "deprecated_legacy_json_field_conflicts" + EnumOptions_UninterpretedOption_field_name protoreflect.Name = "uninterpreted_option" - EnumOptions_AllowAlias_field_fullname protoreflect.FullName = "google.protobuf.EnumOptions.allow_alias" - EnumOptions_Deprecated_field_fullname protoreflect.FullName = "google.protobuf.EnumOptions.deprecated" - EnumOptions_UninterpretedOption_field_fullname protoreflect.FullName = "google.protobuf.EnumOptions.uninterpreted_option" + EnumOptions_AllowAlias_field_fullname protoreflect.FullName = "google.protobuf.EnumOptions.allow_alias" + EnumOptions_Deprecated_field_fullname protoreflect.FullName = "google.protobuf.EnumOptions.deprecated" + EnumOptions_DeprecatedLegacyJsonFieldConflicts_field_fullname protoreflect.FullName = "google.protobuf.EnumOptions.deprecated_legacy_json_field_conflicts" + EnumOptions_UninterpretedOption_field_fullname protoreflect.FullName = "google.protobuf.EnumOptions.uninterpreted_option" ) // Field numbers for google.protobuf.EnumOptions. const ( - EnumOptions_AllowAlias_field_number protoreflect.FieldNumber = 2 - EnumOptions_Deprecated_field_number protoreflect.FieldNumber = 3 - EnumOptions_UninterpretedOption_field_number protoreflect.FieldNumber = 999 + EnumOptions_AllowAlias_field_number protoreflect.FieldNumber = 2 + EnumOptions_Deprecated_field_number protoreflect.FieldNumber = 3 + EnumOptions_DeprecatedLegacyJsonFieldConflicts_field_number protoreflect.FieldNumber = 6 + EnumOptions_UninterpretedOption_field_number protoreflect.FieldNumber = 999 ) // Names for google.protobuf.EnumValueOptions. @@ -813,11 +846,13 @@ const ( GeneratedCodeInfo_Annotation_SourceFile_field_name protoreflect.Name = "source_file" GeneratedCodeInfo_Annotation_Begin_field_name protoreflect.Name = "begin" GeneratedCodeInfo_Annotation_End_field_name protoreflect.Name = "end" + GeneratedCodeInfo_Annotation_Semantic_field_name protoreflect.Name = "semantic" GeneratedCodeInfo_Annotation_Path_field_fullname protoreflect.FullName = "google.protobuf.GeneratedCodeInfo.Annotation.path" GeneratedCodeInfo_Annotation_SourceFile_field_fullname protoreflect.FullName = "google.protobuf.GeneratedCodeInfo.Annotation.source_file" GeneratedCodeInfo_Annotation_Begin_field_fullname protoreflect.FullName = "google.protobuf.GeneratedCodeInfo.Annotation.begin" GeneratedCodeInfo_Annotation_End_field_fullname protoreflect.FullName = "google.protobuf.GeneratedCodeInfo.Annotation.end" + GeneratedCodeInfo_Annotation_Semantic_field_fullname protoreflect.FullName = "google.protobuf.GeneratedCodeInfo.Annotation.semantic" ) // Field numbers for google.protobuf.GeneratedCodeInfo.Annotation. @@ -826,4 +861,11 @@ const ( GeneratedCodeInfo_Annotation_SourceFile_field_number protoreflect.FieldNumber = 2 GeneratedCodeInfo_Annotation_Begin_field_number protoreflect.FieldNumber = 3 GeneratedCodeInfo_Annotation_End_field_number protoreflect.FieldNumber = 4 + GeneratedCodeInfo_Annotation_Semantic_field_number protoreflect.FieldNumber = 5 +) + +// Full and short names for google.protobuf.GeneratedCodeInfo.Annotation.Semantic. +const ( + GeneratedCodeInfo_Annotation_Semantic_enum_fullname = "google.protobuf.GeneratedCodeInfo.Annotation.Semantic" + GeneratedCodeInfo_Annotation_Semantic_enum_name = "Semantic" ) diff --git a/vendor/google.golang.org/protobuf/internal/impl/convert.go b/vendor/google.golang.org/protobuf/internal/impl/convert.go index 11a6128ba..185ef2efa 100644 --- a/vendor/google.golang.org/protobuf/internal/impl/convert.go +++ b/vendor/google.golang.org/protobuf/internal/impl/convert.go @@ -59,7 +59,6 @@ func NewConverter(t reflect.Type, fd protoreflect.FieldDescriptor) Converter { default: return newSingularConverter(t, fd) } - panic(fmt.Sprintf("invalid Go type %v for field %v", t, fd.FullName())) } var ( diff --git a/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go b/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go index fea589c45..61a84d341 100644 --- a/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go +++ b/vendor/google.golang.org/protobuf/internal/strs/strings_unsafe.go @@ -87,7 +87,7 @@ func (sb *Builder) grow(n int) { // Unlike strings.Builder, we do not need to copy over the contents // of the old buffer since our builder provides no API for // retrieving previously created strings. - sb.buf = make([]byte, 2*(cap(sb.buf)+n)) + sb.buf = make([]byte, 0, 2*(cap(sb.buf)+n)) } func (sb *Builder) last(n int) string { diff --git a/vendor/google.golang.org/protobuf/internal/version/version.go b/vendor/google.golang.org/protobuf/internal/version/version.go index b480c5010..f7014cd51 100644 --- a/vendor/google.golang.org/protobuf/internal/version/version.go +++ b/vendor/google.golang.org/protobuf/internal/version/version.go @@ -51,8 +51,8 @@ import ( // 10. Send out the CL for review and submit it. const ( Major = 1 - Minor = 28 - Patch = 1 + Minor = 30 + Patch = 0 PreRelease = "" ) diff --git a/vendor/google.golang.org/protobuf/proto/doc.go b/vendor/google.golang.org/protobuf/proto/doc.go index 08d2a46f5..ec71e717f 100644 --- a/vendor/google.golang.org/protobuf/proto/doc.go +++ b/vendor/google.golang.org/protobuf/proto/doc.go @@ -5,16 +5,13 @@ // Package proto provides functions operating on protocol buffer messages. // // For documentation on protocol buffers in general, see: -// -// https://developers.google.com/protocol-buffers +// https://protobuf.dev. // // For a tutorial on using protocol buffers with Go, see: -// -// https://developers.google.com/protocol-buffers/docs/gotutorial +// https://protobuf.dev/getting-started/gotutorial. // // For a guide to generated Go protocol buffer code, see: -// -// https://developers.google.com/protocol-buffers/docs/reference/go-generated +// https://protobuf.dev/reference/go/go-generated. // // # Binary serialization // diff --git a/vendor/google.golang.org/protobuf/proto/equal.go b/vendor/google.golang.org/protobuf/proto/equal.go index 67948dd1d..1a0be1b03 100644 --- a/vendor/google.golang.org/protobuf/proto/equal.go +++ b/vendor/google.golang.org/protobuf/proto/equal.go @@ -5,30 +5,39 @@ package proto import ( - "bytes" - "math" "reflect" - "google.golang.org/protobuf/encoding/protowire" "google.golang.org/protobuf/reflect/protoreflect" ) -// Equal reports whether two messages are equal. -// If two messages marshal to the same bytes under deterministic serialization, -// then Equal is guaranteed to report true. +// Equal reports whether two messages are equal, +// by recursively comparing the fields of the message. // -// Two messages are equal if they belong to the same message descriptor, -// have the same set of populated known and extension field values, -// and the same set of unknown fields values. If either of the top-level -// messages are invalid, then Equal reports true only if both are invalid. +// - Bytes fields are equal if they contain identical bytes. +// Empty bytes (regardless of nil-ness) are considered equal. // -// Scalar values are compared with the equivalent of the == operator in Go, -// except bytes values which are compared using bytes.Equal and -// floating point values which specially treat NaNs as equal. -// Message values are compared by recursively calling Equal. -// Lists are equal if each element value is also equal. -// Maps are equal if they have the same set of keys, where the pair of values -// for each key is also equal. +// - Floating-point fields are equal if they contain the same value. +// Unlike the == operator, a NaN is equal to another NaN. +// +// - Other scalar fields are equal if they contain the same value. +// +// - Message fields are equal if they have +// the same set of populated known and extension field values, and +// the same set of unknown fields values. +// +// - Lists are equal if they are the same length and +// each corresponding element is equal. +// +// - Maps are equal if they have the same set of keys and +// the corresponding value for each key is equal. +// +// An invalid message is not equal to a valid message. +// An invalid message is only equal to another invalid message of the +// same type. An invalid message often corresponds to a nil pointer +// of the concrete message type. For example, (*pb.M)(nil) is not equal +// to &pb.M{}. +// If two valid messages marshal to the same bytes under deterministic +// serialization, then Equal is guaranteed to report true. func Equal(x, y Message) bool { if x == nil || y == nil { return x == nil && y == nil @@ -42,130 +51,7 @@ func Equal(x, y Message) bool { if mx.IsValid() != my.IsValid() { return false } - return equalMessage(mx, my) -} - -// equalMessage compares two messages. -func equalMessage(mx, my protoreflect.Message) bool { - if mx.Descriptor() != my.Descriptor() { - return false - } - - nx := 0 - equal := true - mx.Range(func(fd protoreflect.FieldDescriptor, vx protoreflect.Value) bool { - nx++ - vy := my.Get(fd) - equal = my.Has(fd) && equalField(fd, vx, vy) - return equal - }) - if !equal { - return false - } - ny := 0 - my.Range(func(fd protoreflect.FieldDescriptor, vx protoreflect.Value) bool { - ny++ - return true - }) - if nx != ny { - return false - } - - return equalUnknown(mx.GetUnknown(), my.GetUnknown()) -} - -// equalField compares two fields. -func equalField(fd protoreflect.FieldDescriptor, x, y protoreflect.Value) bool { - switch { - case fd.IsList(): - return equalList(fd, x.List(), y.List()) - case fd.IsMap(): - return equalMap(fd, x.Map(), y.Map()) - default: - return equalValue(fd, x, y) - } -} - -// equalMap compares two maps. -func equalMap(fd protoreflect.FieldDescriptor, x, y protoreflect.Map) bool { - if x.Len() != y.Len() { - return false - } - equal := true - x.Range(func(k protoreflect.MapKey, vx protoreflect.Value) bool { - vy := y.Get(k) - equal = y.Has(k) && equalValue(fd.MapValue(), vx, vy) - return equal - }) - return equal -} - -// equalList compares two lists. -func equalList(fd protoreflect.FieldDescriptor, x, y protoreflect.List) bool { - if x.Len() != y.Len() { - return false - } - for i := x.Len() - 1; i >= 0; i-- { - if !equalValue(fd, x.Get(i), y.Get(i)) { - return false - } - } - return true -} - -// equalValue compares two singular values. -func equalValue(fd protoreflect.FieldDescriptor, x, y protoreflect.Value) bool { - switch fd.Kind() { - case protoreflect.BoolKind: - return x.Bool() == y.Bool() - case protoreflect.EnumKind: - return x.Enum() == y.Enum() - case protoreflect.Int32Kind, protoreflect.Sint32Kind, - protoreflect.Int64Kind, protoreflect.Sint64Kind, - protoreflect.Sfixed32Kind, protoreflect.Sfixed64Kind: - return x.Int() == y.Int() - case protoreflect.Uint32Kind, protoreflect.Uint64Kind, - protoreflect.Fixed32Kind, protoreflect.Fixed64Kind: - return x.Uint() == y.Uint() - case protoreflect.FloatKind, protoreflect.DoubleKind: - fx := x.Float() - fy := y.Float() - if math.IsNaN(fx) || math.IsNaN(fy) { - return math.IsNaN(fx) && math.IsNaN(fy) - } - return fx == fy - case protoreflect.StringKind: - return x.String() == y.String() - case protoreflect.BytesKind: - return bytes.Equal(x.Bytes(), y.Bytes()) - case protoreflect.MessageKind, protoreflect.GroupKind: - return equalMessage(x.Message(), y.Message()) - default: - return x.Interface() == y.Interface() - } -} - -// equalUnknown compares unknown fields by direct comparison on the raw bytes -// of each individual field number. -func equalUnknown(x, y protoreflect.RawFields) bool { - if len(x) != len(y) { - return false - } - if bytes.Equal([]byte(x), []byte(y)) { - return true - } - - mx := make(map[protoreflect.FieldNumber]protoreflect.RawFields) - my := make(map[protoreflect.FieldNumber]protoreflect.RawFields) - for len(x) > 0 { - fnum, _, n := protowire.ConsumeField(x) - mx[fnum] = append(mx[fnum], x[:n]...) - x = x[n:] - } - for len(y) > 0 { - fnum, _, n := protowire.ConsumeField(y) - my[fnum] = append(my[fnum], y[:n]...) - y = y[n:] - } - return reflect.DeepEqual(mx, my) + vx := protoreflect.ValueOfMessage(mx) + vy := protoreflect.ValueOfMessage(my) + return vx.Equal(vy) } diff --git a/vendor/google.golang.org/protobuf/reflect/protoreflect/source_gen.go b/vendor/google.golang.org/protobuf/reflect/protoreflect/source_gen.go index b03c1223c..54ce326df 100644 --- a/vendor/google.golang.org/protobuf/reflect/protoreflect/source_gen.go +++ b/vendor/google.golang.org/protobuf/reflect/protoreflect/source_gen.go @@ -35,6 +35,8 @@ func (p *SourcePath) appendFileDescriptorProto(b []byte) []byte { b = p.appendSingularField(b, "source_code_info", (*SourcePath).appendSourceCodeInfo) case 12: b = p.appendSingularField(b, "syntax", nil) + case 13: + b = p.appendSingularField(b, "edition", nil) } return b } @@ -236,6 +238,8 @@ func (p *SourcePath) appendMessageOptions(b []byte) []byte { b = p.appendSingularField(b, "deprecated", nil) case 7: b = p.appendSingularField(b, "map_entry", nil) + case 11: + b = p.appendSingularField(b, "deprecated_legacy_json_field_conflicts", nil) case 999: b = p.appendRepeatedField(b, "uninterpreted_option", (*SourcePath).appendUninterpretedOption) } @@ -279,6 +283,8 @@ func (p *SourcePath) appendEnumOptions(b []byte) []byte { b = p.appendSingularField(b, "allow_alias", nil) case 3: b = p.appendSingularField(b, "deprecated", nil) + case 6: + b = p.appendSingularField(b, "deprecated_legacy_json_field_conflicts", nil) case 999: b = p.appendRepeatedField(b, "uninterpreted_option", (*SourcePath).appendUninterpretedOption) } @@ -345,10 +351,18 @@ func (p *SourcePath) appendFieldOptions(b []byte) []byte { b = p.appendSingularField(b, "jstype", nil) case 5: b = p.appendSingularField(b, "lazy", nil) + case 15: + b = p.appendSingularField(b, "unverified_lazy", nil) case 3: b = p.appendSingularField(b, "deprecated", nil) case 10: b = p.appendSingularField(b, "weak", nil) + case 16: + b = p.appendSingularField(b, "debug_redact", nil) + case 17: + b = p.appendSingularField(b, "retention", nil) + case 18: + b = p.appendSingularField(b, "target", nil) case 999: b = p.appendRepeatedField(b, "uninterpreted_option", (*SourcePath).appendUninterpretedOption) } diff --git a/vendor/google.golang.org/protobuf/reflect/protoreflect/value.go b/vendor/google.golang.org/protobuf/reflect/protoreflect/value.go index f31981077..37601b781 100644 --- a/vendor/google.golang.org/protobuf/reflect/protoreflect/value.go +++ b/vendor/google.golang.org/protobuf/reflect/protoreflect/value.go @@ -148,7 +148,7 @@ type Message interface { // be preserved in marshaling or other operations. IsValid() bool - // ProtoMethods returns optional fast-path implementions of various operations. + // ProtoMethods returns optional fast-path implementations of various operations. // This method may return nil. // // The returned methods type is identical to diff --git a/vendor/google.golang.org/protobuf/reflect/protoreflect/value_equal.go b/vendor/google.golang.org/protobuf/reflect/protoreflect/value_equal.go new file mode 100644 index 000000000..591652541 --- /dev/null +++ b/vendor/google.golang.org/protobuf/reflect/protoreflect/value_equal.go @@ -0,0 +1,168 @@ +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package protoreflect + +import ( + "bytes" + "fmt" + "math" + "reflect" + + "google.golang.org/protobuf/encoding/protowire" +) + +// Equal reports whether v1 and v2 are recursively equal. +// +// - Values of different types are always unequal. +// +// - Bytes values are equal if they contain identical bytes. +// Empty bytes (regardless of nil-ness) are considered equal. +// +// - Floating point values are equal if they contain the same value. +// Unlike the == operator, a NaN is equal to another NaN. +// +// - Enums are equal if they contain the same number. +// Since Value does not contain an enum descriptor, +// enum values do not consider the type of the enum. +// +// - Other scalar values are equal if they contain the same value. +// +// - Message values are equal if they belong to the same message descriptor, +// have the same set of populated known and extension field values, +// and the same set of unknown fields values. +// +// - Lists are equal if they are the same length and +// each corresponding element is equal. +// +// - Maps are equal if they have the same set of keys and +// the corresponding value for each key is equal. +func (v1 Value) Equal(v2 Value) bool { + return equalValue(v1, v2) +} + +func equalValue(x, y Value) bool { + eqType := x.typ == y.typ + switch x.typ { + case nilType: + return eqType + case boolType: + return eqType && x.Bool() == y.Bool() + case int32Type, int64Type: + return eqType && x.Int() == y.Int() + case uint32Type, uint64Type: + return eqType && x.Uint() == y.Uint() + case float32Type, float64Type: + return eqType && equalFloat(x.Float(), y.Float()) + case stringType: + return eqType && x.String() == y.String() + case bytesType: + return eqType && bytes.Equal(x.Bytes(), y.Bytes()) + case enumType: + return eqType && x.Enum() == y.Enum() + default: + switch x := x.Interface().(type) { + case Message: + y, ok := y.Interface().(Message) + return ok && equalMessage(x, y) + case List: + y, ok := y.Interface().(List) + return ok && equalList(x, y) + case Map: + y, ok := y.Interface().(Map) + return ok && equalMap(x, y) + default: + panic(fmt.Sprintf("unknown type: %T", x)) + } + } +} + +// equalFloat compares two floats, where NaNs are treated as equal. +func equalFloat(x, y float64) bool { + if math.IsNaN(x) || math.IsNaN(y) { + return math.IsNaN(x) && math.IsNaN(y) + } + return x == y +} + +// equalMessage compares two messages. +func equalMessage(mx, my Message) bool { + if mx.Descriptor() != my.Descriptor() { + return false + } + + nx := 0 + equal := true + mx.Range(func(fd FieldDescriptor, vx Value) bool { + nx++ + vy := my.Get(fd) + equal = my.Has(fd) && equalValue(vx, vy) + return equal + }) + if !equal { + return false + } + ny := 0 + my.Range(func(fd FieldDescriptor, vx Value) bool { + ny++ + return true + }) + if nx != ny { + return false + } + + return equalUnknown(mx.GetUnknown(), my.GetUnknown()) +} + +// equalList compares two lists. +func equalList(x, y List) bool { + if x.Len() != y.Len() { + return false + } + for i := x.Len() - 1; i >= 0; i-- { + if !equalValue(x.Get(i), y.Get(i)) { + return false + } + } + return true +} + +// equalMap compares two maps. +func equalMap(x, y Map) bool { + if x.Len() != y.Len() { + return false + } + equal := true + x.Range(func(k MapKey, vx Value) bool { + vy := y.Get(k) + equal = y.Has(k) && equalValue(vx, vy) + return equal + }) + return equal +} + +// equalUnknown compares unknown fields by direct comparison on the raw bytes +// of each individual field number. +func equalUnknown(x, y RawFields) bool { + if len(x) != len(y) { + return false + } + if bytes.Equal([]byte(x), []byte(y)) { + return true + } + + mx := make(map[FieldNumber]RawFields) + my := make(map[FieldNumber]RawFields) + for len(x) > 0 { + fnum, _, n := protowire.ConsumeField(x) + mx[fnum] = append(mx[fnum], x[:n]...) + x = x[n:] + } + for len(y) > 0 { + fnum, _, n := protowire.ConsumeField(y) + my[fnum] = append(my[fnum], y[:n]...) + y = y[n:] + } + return reflect.DeepEqual(mx, my) +} diff --git a/vendor/google.golang.org/protobuf/reflect/protoreflect/value_union.go b/vendor/google.golang.org/protobuf/reflect/protoreflect/value_union.go index ca8e28c5b..08e5ef73f 100644 --- a/vendor/google.golang.org/protobuf/reflect/protoreflect/value_union.go +++ b/vendor/google.golang.org/protobuf/reflect/protoreflect/value_union.go @@ -54,11 +54,11 @@ import ( // // Append a 0 to a "repeated int32" field. // // Since the Value returned by Mutable is guaranteed to alias // // the source message, modifying the Value modifies the message. -// message.Mutable(fieldDesc).(List).Append(protoreflect.ValueOfInt32(0)) +// message.Mutable(fieldDesc).List().Append(protoreflect.ValueOfInt32(0)) // // // Assign [0] to a "repeated int32" field by creating a new Value, // // modifying it, and assigning it. -// list := message.NewField(fieldDesc).(List) +// list := message.NewField(fieldDesc).List() // list.Append(protoreflect.ValueOfInt32(0)) // message.Set(fieldDesc, list) // // ERROR: Since it is not defined whether Set aliases the source, diff --git a/vendor/google.golang.org/protobuf/reflect/protoregistry/registry.go b/vendor/google.golang.org/protobuf/reflect/protoregistry/registry.go index 58352a697..aeb559774 100644 --- a/vendor/google.golang.org/protobuf/reflect/protoregistry/registry.go +++ b/vendor/google.golang.org/protobuf/reflect/protoregistry/registry.go @@ -46,7 +46,7 @@ var conflictPolicy = "panic" // "panic" | "warn" | "ignore" // It is a variable so that the behavior is easily overridden in another file. var ignoreConflict = func(d protoreflect.Descriptor, err error) bool { const env = "GOLANG_PROTOBUF_REGISTRATION_CONFLICT" - const faq = "https://developers.google.com/protocol-buffers/docs/reference/go/faq#namespace-conflict" + const faq = "https://protobuf.dev/reference/go/faq#namespace-conflict" policy := conflictPolicy if v := os.Getenv(env); v != "" { policy = v diff --git a/vendor/google.golang.org/protobuf/types/descriptorpb/descriptor.pb.go b/vendor/google.golang.org/protobuf/types/descriptorpb/descriptor.pb.go index abe4ab511..dac5671db 100644 --- a/vendor/google.golang.org/protobuf/types/descriptorpb/descriptor.pb.go +++ b/vendor/google.golang.org/protobuf/types/descriptorpb/descriptor.pb.go @@ -406,6 +406,152 @@ func (FieldOptions_JSType) EnumDescriptor() ([]byte, []int) { return file_google_protobuf_descriptor_proto_rawDescGZIP(), []int{12, 1} } +// If set to RETENTION_SOURCE, the option will be omitted from the binary. +// Note: as of January 2023, support for this is in progress and does not yet +// have an effect (b/264593489). +type FieldOptions_OptionRetention int32 + +const ( + FieldOptions_RETENTION_UNKNOWN FieldOptions_OptionRetention = 0 + FieldOptions_RETENTION_RUNTIME FieldOptions_OptionRetention = 1 + FieldOptions_RETENTION_SOURCE FieldOptions_OptionRetention = 2 +) + +// Enum value maps for FieldOptions_OptionRetention. +var ( + FieldOptions_OptionRetention_name = map[int32]string{ + 0: "RETENTION_UNKNOWN", + 1: "RETENTION_RUNTIME", + 2: "RETENTION_SOURCE", + } + FieldOptions_OptionRetention_value = map[string]int32{ + "RETENTION_UNKNOWN": 0, + "RETENTION_RUNTIME": 1, + "RETENTION_SOURCE": 2, + } +) + +func (x FieldOptions_OptionRetention) Enum() *FieldOptions_OptionRetention { + p := new(FieldOptions_OptionRetention) + *p = x + return p +} + +func (x FieldOptions_OptionRetention) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (FieldOptions_OptionRetention) Descriptor() protoreflect.EnumDescriptor { + return file_google_protobuf_descriptor_proto_enumTypes[5].Descriptor() +} + +func (FieldOptions_OptionRetention) Type() protoreflect.EnumType { + return &file_google_protobuf_descriptor_proto_enumTypes[5] +} + +func (x FieldOptions_OptionRetention) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Do not use. +func (x *FieldOptions_OptionRetention) UnmarshalJSON(b []byte) error { + num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b) + if err != nil { + return err + } + *x = FieldOptions_OptionRetention(num) + return nil +} + +// Deprecated: Use FieldOptions_OptionRetention.Descriptor instead. +func (FieldOptions_OptionRetention) EnumDescriptor() ([]byte, []int) { + return file_google_protobuf_descriptor_proto_rawDescGZIP(), []int{12, 2} +} + +// This indicates the types of entities that the field may apply to when used +// as an option. If it is unset, then the field may be freely used as an +// option on any kind of entity. Note: as of January 2023, support for this is +// in progress and does not yet have an effect (b/264593489). +type FieldOptions_OptionTargetType int32 + +const ( + FieldOptions_TARGET_TYPE_UNKNOWN FieldOptions_OptionTargetType = 0 + FieldOptions_TARGET_TYPE_FILE FieldOptions_OptionTargetType = 1 + FieldOptions_TARGET_TYPE_EXTENSION_RANGE FieldOptions_OptionTargetType = 2 + FieldOptions_TARGET_TYPE_MESSAGE FieldOptions_OptionTargetType = 3 + FieldOptions_TARGET_TYPE_FIELD FieldOptions_OptionTargetType = 4 + FieldOptions_TARGET_TYPE_ONEOF FieldOptions_OptionTargetType = 5 + FieldOptions_TARGET_TYPE_ENUM FieldOptions_OptionTargetType = 6 + FieldOptions_TARGET_TYPE_ENUM_ENTRY FieldOptions_OptionTargetType = 7 + FieldOptions_TARGET_TYPE_SERVICE FieldOptions_OptionTargetType = 8 + FieldOptions_TARGET_TYPE_METHOD FieldOptions_OptionTargetType = 9 +) + +// Enum value maps for FieldOptions_OptionTargetType. +var ( + FieldOptions_OptionTargetType_name = map[int32]string{ + 0: "TARGET_TYPE_UNKNOWN", + 1: "TARGET_TYPE_FILE", + 2: "TARGET_TYPE_EXTENSION_RANGE", + 3: "TARGET_TYPE_MESSAGE", + 4: "TARGET_TYPE_FIELD", + 5: "TARGET_TYPE_ONEOF", + 6: "TARGET_TYPE_ENUM", + 7: "TARGET_TYPE_ENUM_ENTRY", + 8: "TARGET_TYPE_SERVICE", + 9: "TARGET_TYPE_METHOD", + } + FieldOptions_OptionTargetType_value = map[string]int32{ + "TARGET_TYPE_UNKNOWN": 0, + "TARGET_TYPE_FILE": 1, + "TARGET_TYPE_EXTENSION_RANGE": 2, + "TARGET_TYPE_MESSAGE": 3, + "TARGET_TYPE_FIELD": 4, + "TARGET_TYPE_ONEOF": 5, + "TARGET_TYPE_ENUM": 6, + "TARGET_TYPE_ENUM_ENTRY": 7, + "TARGET_TYPE_SERVICE": 8, + "TARGET_TYPE_METHOD": 9, + } +) + +func (x FieldOptions_OptionTargetType) Enum() *FieldOptions_OptionTargetType { + p := new(FieldOptions_OptionTargetType) + *p = x + return p +} + +func (x FieldOptions_OptionTargetType) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (FieldOptions_OptionTargetType) Descriptor() protoreflect.EnumDescriptor { + return file_google_protobuf_descriptor_proto_enumTypes[6].Descriptor() +} + +func (FieldOptions_OptionTargetType) Type() protoreflect.EnumType { + return &file_google_protobuf_descriptor_proto_enumTypes[6] +} + +func (x FieldOptions_OptionTargetType) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Do not use. +func (x *FieldOptions_OptionTargetType) UnmarshalJSON(b []byte) error { + num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b) + if err != nil { + return err + } + *x = FieldOptions_OptionTargetType(num) + return nil +} + +// Deprecated: Use FieldOptions_OptionTargetType.Descriptor instead. +func (FieldOptions_OptionTargetType) EnumDescriptor() ([]byte, []int) { + return file_google_protobuf_descriptor_proto_rawDescGZIP(), []int{12, 3} +} + // Is this method side-effect-free (or safe in HTTP parlance), or idempotent, // or neither? HTTP based RPC implementation may choose GET verb for safe // methods, and PUT verb for idempotent methods instead of the default POST. @@ -442,11 +588,11 @@ func (x MethodOptions_IdempotencyLevel) String() string { } func (MethodOptions_IdempotencyLevel) Descriptor() protoreflect.EnumDescriptor { - return file_google_protobuf_descriptor_proto_enumTypes[5].Descriptor() + return file_google_protobuf_descriptor_proto_enumTypes[7].Descriptor() } func (MethodOptions_IdempotencyLevel) Type() protoreflect.EnumType { - return &file_google_protobuf_descriptor_proto_enumTypes[5] + return &file_google_protobuf_descriptor_proto_enumTypes[7] } func (x MethodOptions_IdempotencyLevel) Number() protoreflect.EnumNumber { @@ -468,6 +614,70 @@ func (MethodOptions_IdempotencyLevel) EnumDescriptor() ([]byte, []int) { return file_google_protobuf_descriptor_proto_rawDescGZIP(), []int{17, 0} } +// Represents the identified object's effect on the element in the original +// .proto file. +type GeneratedCodeInfo_Annotation_Semantic int32 + +const ( + // There is no effect or the effect is indescribable. + GeneratedCodeInfo_Annotation_NONE GeneratedCodeInfo_Annotation_Semantic = 0 + // The element is set or otherwise mutated. + GeneratedCodeInfo_Annotation_SET GeneratedCodeInfo_Annotation_Semantic = 1 + // An alias to the element is returned. + GeneratedCodeInfo_Annotation_ALIAS GeneratedCodeInfo_Annotation_Semantic = 2 +) + +// Enum value maps for GeneratedCodeInfo_Annotation_Semantic. +var ( + GeneratedCodeInfo_Annotation_Semantic_name = map[int32]string{ + 0: "NONE", + 1: "SET", + 2: "ALIAS", + } + GeneratedCodeInfo_Annotation_Semantic_value = map[string]int32{ + "NONE": 0, + "SET": 1, + "ALIAS": 2, + } +) + +func (x GeneratedCodeInfo_Annotation_Semantic) Enum() *GeneratedCodeInfo_Annotation_Semantic { + p := new(GeneratedCodeInfo_Annotation_Semantic) + *p = x + return p +} + +func (x GeneratedCodeInfo_Annotation_Semantic) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (GeneratedCodeInfo_Annotation_Semantic) Descriptor() protoreflect.EnumDescriptor { + return file_google_protobuf_descriptor_proto_enumTypes[8].Descriptor() +} + +func (GeneratedCodeInfo_Annotation_Semantic) Type() protoreflect.EnumType { + return &file_google_protobuf_descriptor_proto_enumTypes[8] +} + +func (x GeneratedCodeInfo_Annotation_Semantic) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Do not use. +func (x *GeneratedCodeInfo_Annotation_Semantic) UnmarshalJSON(b []byte) error { + num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b) + if err != nil { + return err + } + *x = GeneratedCodeInfo_Annotation_Semantic(num) + return nil +} + +// Deprecated: Use GeneratedCodeInfo_Annotation_Semantic.Descriptor instead. +func (GeneratedCodeInfo_Annotation_Semantic) EnumDescriptor() ([]byte, []int) { + return file_google_protobuf_descriptor_proto_rawDescGZIP(), []int{20, 0, 0} +} + // The protocol compiler can output a FileDescriptorSet containing the .proto // files it parses. type FileDescriptorSet struct { @@ -544,8 +754,12 @@ type FileDescriptorProto struct { // development tools. SourceCodeInfo *SourceCodeInfo `protobuf:"bytes,9,opt,name=source_code_info,json=sourceCodeInfo" json:"source_code_info,omitempty"` // The syntax of the proto file. - // The supported values are "proto2" and "proto3". + // The supported values are "proto2", "proto3", and "editions". + // + // If `edition` is present, this value must be "editions". Syntax *string `protobuf:"bytes,12,opt,name=syntax" json:"syntax,omitempty"` + // The edition of the proto file, which is an opaque string. + Edition *string `protobuf:"bytes,13,opt,name=edition" json:"edition,omitempty"` } func (x *FileDescriptorProto) Reset() { @@ -664,6 +878,13 @@ func (x *FileDescriptorProto) GetSyntax() string { return "" } +func (x *FileDescriptorProto) GetEdition() string { + if x != nil && x.Edition != nil { + return *x.Edition + } + return "" +} + // Describes a message type. type DescriptorProto struct { state protoimpl.MessageState @@ -860,7 +1081,6 @@ type FieldDescriptorProto struct { // For booleans, "true" or "false". // For strings, contains the default text contents (not escaped in any way). // For bytes, contains the C escaped value. All bytes >= 128 are escaped. - // TODO(kenton): Base-64 encode? DefaultValue *string `protobuf:"bytes,7,opt,name=default_value,json=defaultValue" json:"default_value,omitempty"` // If set, gives the index of a oneof in the containing type's oneof_decl // list. This field is a member of that oneof. @@ -1382,22 +1602,22 @@ type FileOptions struct { // inappropriate because proto packages do not normally start with backwards // domain names. JavaPackage *string `protobuf:"bytes,1,opt,name=java_package,json=javaPackage" json:"java_package,omitempty"` - // If set, all the classes from the .proto file are wrapped in a single - // outer class with the given name. This applies to both Proto1 - // (equivalent to the old "--one_java_file" option) and Proto2 (where - // a .proto always translates to a single class, but you may want to - // explicitly choose the class name). + // Controls the name of the wrapper Java class generated for the .proto file. + // That class will always contain the .proto file's getDescriptor() method as + // well as any top-level extensions defined in the .proto file. + // If java_multiple_files is disabled, then all the other classes from the + // .proto file will be nested inside the single wrapper outer class. JavaOuterClassname *string `protobuf:"bytes,8,opt,name=java_outer_classname,json=javaOuterClassname" json:"java_outer_classname,omitempty"` - // If set true, then the Java code generator will generate a separate .java + // If enabled, then the Java code generator will generate a separate .java // file for each top-level message, enum, and service defined in the .proto - // file. Thus, these types will *not* be nested inside the outer class - // named by java_outer_classname. However, the outer class will still be + // file. Thus, these types will *not* be nested inside the wrapper class + // named by java_outer_classname. However, the wrapper class will still be // generated to contain the file's getDescriptor() method as well as any // top-level extensions defined in the file. JavaMultipleFiles *bool `protobuf:"varint,10,opt,name=java_multiple_files,json=javaMultipleFiles,def=0" json:"java_multiple_files,omitempty"` // This option does nothing. // - // Deprecated: Do not use. + // Deprecated: Marked as deprecated in google/protobuf/descriptor.proto. JavaGenerateEqualsAndHash *bool `protobuf:"varint,20,opt,name=java_generate_equals_and_hash,json=javaGenerateEqualsAndHash" json:"java_generate_equals_and_hash,omitempty"` // If set true, then the Java2 code generator will generate code that // throws an exception whenever an attempt is made to assign a non-UTF-8 @@ -1531,7 +1751,7 @@ func (x *FileOptions) GetJavaMultipleFiles() bool { return Default_FileOptions_JavaMultipleFiles } -// Deprecated: Do not use. +// Deprecated: Marked as deprecated in google/protobuf/descriptor.proto. func (x *FileOptions) GetJavaGenerateEqualsAndHash() bool { if x != nil && x.JavaGenerateEqualsAndHash != nil { return *x.JavaGenerateEqualsAndHash @@ -1670,10 +1890,12 @@ type MessageOptions struct { // efficient, has fewer features, and is more complicated. // // The message must be defined exactly as follows: - // message Foo { - // option message_set_wire_format = true; - // extensions 4 to max; - // } + // + // message Foo { + // option message_set_wire_format = true; + // extensions 4 to max; + // } + // // Note that the message cannot have any defined fields; MessageSets only // have extensions. // @@ -1692,28 +1914,44 @@ type MessageOptions struct { // for the message, or it will be completely ignored; in the very least, // this is a formalization for deprecating messages. Deprecated *bool `protobuf:"varint,3,opt,name=deprecated,def=0" json:"deprecated,omitempty"` + // NOTE: Do not set the option in .proto files. Always use the maps syntax + // instead. The option should only be implicitly set by the proto compiler + // parser. + // // Whether the message is an automatically generated map entry type for the // maps field. // // For maps fields: - // map map_field = 1; + // + // map map_field = 1; + // // The parsed descriptor looks like: - // message MapFieldEntry { - // option map_entry = true; - // optional KeyType key = 1; - // optional ValueType value = 2; - // } - // repeated MapFieldEntry map_field = 1; + // + // message MapFieldEntry { + // option map_entry = true; + // optional KeyType key = 1; + // optional ValueType value = 2; + // } + // repeated MapFieldEntry map_field = 1; // // Implementations may choose not to generate the map_entry=true message, but // use a native map in the target language to hold the keys and values. // The reflection APIs in such implementations still need to work as // if the field is a repeated message field. - // - // NOTE: Do not set the option in .proto files. Always use the maps syntax - // instead. The option should only be implicitly set by the proto compiler - // parser. MapEntry *bool `protobuf:"varint,7,opt,name=map_entry,json=mapEntry" json:"map_entry,omitempty"` + // Enable the legacy handling of JSON field name conflicts. This lowercases + // and strips underscored from the fields before comparison in proto3 only. + // The new behavior takes `json_name` into account and applies to proto2 as + // well. + // + // This should only be used as a temporary measure against broken builds due + // to the change in behavior for JSON field name conflicts. + // + // TODO(b/261750190) This is legacy behavior we plan to remove once downstream + // teams have had time to migrate. + // + // Deprecated: Marked as deprecated in google/protobuf/descriptor.proto. + DeprecatedLegacyJsonFieldConflicts *bool `protobuf:"varint,11,opt,name=deprecated_legacy_json_field_conflicts,json=deprecatedLegacyJsonFieldConflicts" json:"deprecated_legacy_json_field_conflicts,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` } @@ -1785,6 +2023,14 @@ func (x *MessageOptions) GetMapEntry() bool { return false } +// Deprecated: Marked as deprecated in google/protobuf/descriptor.proto. +func (x *MessageOptions) GetDeprecatedLegacyJsonFieldConflicts() bool { + if x != nil && x.DeprecatedLegacyJsonFieldConflicts != nil { + return *x.DeprecatedLegacyJsonFieldConflicts + } + return false +} + func (x *MessageOptions) GetUninterpretedOption() []*UninterpretedOption { if x != nil { return x.UninterpretedOption @@ -1838,7 +2084,6 @@ type FieldOptions struct { // call from multiple threads concurrently, while non-const methods continue // to require exclusive access. // - // // Note that implementations may choose not to check required fields within // a lazy sub-message. That is, calling IsInitialized() on the outer message // may return true even if the inner message has missing required fields. @@ -1849,7 +2094,14 @@ type FieldOptions struct { // implementation must either *always* check its required fields, or *never* // check its required fields, regardless of whether or not the message has // been parsed. + // + // As of May 2022, lazy verifies the contents of the byte stream during + // parsing. An invalid byte stream will cause the overall parsing to fail. Lazy *bool `protobuf:"varint,5,opt,name=lazy,def=0" json:"lazy,omitempty"` + // unverified_lazy does no correctness checks on the byte stream. This should + // only be used where lazy with verification is prohibitive for performance + // reasons. + UnverifiedLazy *bool `protobuf:"varint,15,opt,name=unverified_lazy,json=unverifiedLazy,def=0" json:"unverified_lazy,omitempty"` // Is this field deprecated? // Depending on the target platform, this can emit Deprecated annotations // for accessors, or it will be completely ignored; in the very least, this @@ -1857,17 +2109,24 @@ type FieldOptions struct { Deprecated *bool `protobuf:"varint,3,opt,name=deprecated,def=0" json:"deprecated,omitempty"` // For Google-internal migration only. Do not use. Weak *bool `protobuf:"varint,10,opt,name=weak,def=0" json:"weak,omitempty"` + // Indicate that the field value should not be printed out when using debug + // formats, e.g. when the field contains sensitive credentials. + DebugRedact *bool `protobuf:"varint,16,opt,name=debug_redact,json=debugRedact,def=0" json:"debug_redact,omitempty"` + Retention *FieldOptions_OptionRetention `protobuf:"varint,17,opt,name=retention,enum=google.protobuf.FieldOptions_OptionRetention" json:"retention,omitempty"` + Target *FieldOptions_OptionTargetType `protobuf:"varint,18,opt,name=target,enum=google.protobuf.FieldOptions_OptionTargetType" json:"target,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` } // Default values for FieldOptions fields. const ( - Default_FieldOptions_Ctype = FieldOptions_STRING - Default_FieldOptions_Jstype = FieldOptions_JS_NORMAL - Default_FieldOptions_Lazy = bool(false) - Default_FieldOptions_Deprecated = bool(false) - Default_FieldOptions_Weak = bool(false) + Default_FieldOptions_Ctype = FieldOptions_STRING + Default_FieldOptions_Jstype = FieldOptions_JS_NORMAL + Default_FieldOptions_Lazy = bool(false) + Default_FieldOptions_UnverifiedLazy = bool(false) + Default_FieldOptions_Deprecated = bool(false) + Default_FieldOptions_Weak = bool(false) + Default_FieldOptions_DebugRedact = bool(false) ) func (x *FieldOptions) Reset() { @@ -1930,6 +2189,13 @@ func (x *FieldOptions) GetLazy() bool { return Default_FieldOptions_Lazy } +func (x *FieldOptions) GetUnverifiedLazy() bool { + if x != nil && x.UnverifiedLazy != nil { + return *x.UnverifiedLazy + } + return Default_FieldOptions_UnverifiedLazy +} + func (x *FieldOptions) GetDeprecated() bool { if x != nil && x.Deprecated != nil { return *x.Deprecated @@ -1944,6 +2210,27 @@ func (x *FieldOptions) GetWeak() bool { return Default_FieldOptions_Weak } +func (x *FieldOptions) GetDebugRedact() bool { + if x != nil && x.DebugRedact != nil { + return *x.DebugRedact + } + return Default_FieldOptions_DebugRedact +} + +func (x *FieldOptions) GetRetention() FieldOptions_OptionRetention { + if x != nil && x.Retention != nil { + return *x.Retention + } + return FieldOptions_RETENTION_UNKNOWN +} + +func (x *FieldOptions) GetTarget() FieldOptions_OptionTargetType { + if x != nil && x.Target != nil { + return *x.Target + } + return FieldOptions_TARGET_TYPE_UNKNOWN +} + func (x *FieldOptions) GetUninterpretedOption() []*UninterpretedOption { if x != nil { return x.UninterpretedOption @@ -2014,6 +2301,15 @@ type EnumOptions struct { // for the enum, or it will be completely ignored; in the very least, this // is a formalization for deprecating enums. Deprecated *bool `protobuf:"varint,3,opt,name=deprecated,def=0" json:"deprecated,omitempty"` + // Enable the legacy handling of JSON field name conflicts. This lowercases + // and strips underscored from the fields before comparison in proto3 only. + // The new behavior takes `json_name` into account and applies to proto2 as + // well. + // TODO(b/261750190) Remove this legacy behavior once downstream teams have + // had time to migrate. + // + // Deprecated: Marked as deprecated in google/protobuf/descriptor.proto. + DeprecatedLegacyJsonFieldConflicts *bool `protobuf:"varint,6,opt,name=deprecated_legacy_json_field_conflicts,json=deprecatedLegacyJsonFieldConflicts" json:"deprecated_legacy_json_field_conflicts,omitempty"` // The parser stores options it doesn't recognize here. See above. UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"` } @@ -2069,6 +2365,14 @@ func (x *EnumOptions) GetDeprecated() bool { return Default_EnumOptions_Deprecated } +// Deprecated: Marked as deprecated in google/protobuf/descriptor.proto. +func (x *EnumOptions) GetDeprecatedLegacyJsonFieldConflicts() bool { + if x != nil && x.DeprecatedLegacyJsonFieldConflicts != nil { + return *x.DeprecatedLegacyJsonFieldConflicts + } + return false +} + func (x *EnumOptions) GetUninterpretedOption() []*UninterpretedOption { if x != nil { return x.UninterpretedOption @@ -2399,43 +2703,48 @@ type SourceCodeInfo struct { // tools. // // For example, say we have a file like: - // message Foo { - // optional string foo = 1; - // } + // + // message Foo { + // optional string foo = 1; + // } + // // Let's look at just the field definition: - // optional string foo = 1; - // ^ ^^ ^^ ^ ^^^ - // a bc de f ghi + // + // optional string foo = 1; + // ^ ^^ ^^ ^ ^^^ + // a bc de f ghi + // // We have the following locations: - // span path represents - // [a,i) [ 4, 0, 2, 0 ] The whole field definition. - // [a,b) [ 4, 0, 2, 0, 4 ] The label (optional). - // [c,d) [ 4, 0, 2, 0, 5 ] The type (string). - // [e,f) [ 4, 0, 2, 0, 1 ] The name (foo). - // [g,h) [ 4, 0, 2, 0, 3 ] The number (1). + // + // span path represents + // [a,i) [ 4, 0, 2, 0 ] The whole field definition. + // [a,b) [ 4, 0, 2, 0, 4 ] The label (optional). + // [c,d) [ 4, 0, 2, 0, 5 ] The type (string). + // [e,f) [ 4, 0, 2, 0, 1 ] The name (foo). + // [g,h) [ 4, 0, 2, 0, 3 ] The number (1). // // Notes: - // - A location may refer to a repeated field itself (i.e. not to any - // particular index within it). This is used whenever a set of elements are - // logically enclosed in a single code segment. For example, an entire - // extend block (possibly containing multiple extension definitions) will - // have an outer location whose path refers to the "extensions" repeated - // field without an index. - // - Multiple locations may have the same path. This happens when a single - // logical declaration is spread out across multiple places. The most - // obvious example is the "extend" block again -- there may be multiple - // extend blocks in the same scope, each of which will have the same path. - // - A location's span is not always a subset of its parent's span. For - // example, the "extendee" of an extension declaration appears at the - // beginning of the "extend" block and is shared by all extensions within - // the block. - // - Just because a location's span is a subset of some other location's span - // does not mean that it is a descendant. For example, a "group" defines - // both a type and a field in a single declaration. Thus, the locations - // corresponding to the type and field and their components will overlap. - // - Code which tries to interpret locations should probably be designed to - // ignore those that it doesn't understand, as more types of locations could - // be recorded in the future. + // - A location may refer to a repeated field itself (i.e. not to any + // particular index within it). This is used whenever a set of elements are + // logically enclosed in a single code segment. For example, an entire + // extend block (possibly containing multiple extension definitions) will + // have an outer location whose path refers to the "extensions" repeated + // field without an index. + // - Multiple locations may have the same path. This happens when a single + // logical declaration is spread out across multiple places. The most + // obvious example is the "extend" block again -- there may be multiple + // extend blocks in the same scope, each of which will have the same path. + // - A location's span is not always a subset of its parent's span. For + // example, the "extendee" of an extension declaration appears at the + // beginning of the "extend" block and is shared by all extensions within + // the block. + // - Just because a location's span is a subset of some other location's span + // does not mean that it is a descendant. For example, a "group" defines + // both a type and a field in a single declaration. Thus, the locations + // corresponding to the type and field and their components will overlap. + // - Code which tries to interpret locations should probably be designed to + // ignore those that it doesn't understand, as more types of locations could + // be recorded in the future. Location []*SourceCodeInfo_Location `protobuf:"bytes,1,rep,name=location" json:"location,omitempty"` } @@ -2715,8 +3024,8 @@ func (x *EnumDescriptorProto_EnumReservedRange) GetEnd() int32 { // The name of the uninterpreted option. Each string represents a segment in // a dot-separated name. is_extension is true iff a segment represents an // extension (denoted with parentheses in options specs in .proto files). -// E.g.,{ ["foo", false], ["bar.baz", true], ["qux", false] } represents -// "foo.(bar.baz).qux". +// E.g.,{ ["foo", false], ["bar.baz", true], ["moo", false] } represents +// "foo.(bar.baz).moo". type UninterpretedOption_NamePart struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -2781,23 +3090,34 @@ type SourceCodeInfo_Location struct { // location. // // Each element is a field number or an index. They form a path from - // the root FileDescriptorProto to the place where the definition. For - // example, this path: - // [ 4, 3, 2, 7, 1 ] + // the root FileDescriptorProto to the place where the definition occurs. + // For example, this path: + // + // [ 4, 3, 2, 7, 1 ] + // // refers to: - // file.message_type(3) // 4, 3 - // .field(7) // 2, 7 - // .name() // 1 + // + // file.message_type(3) // 4, 3 + // .field(7) // 2, 7 + // .name() // 1 + // // This is because FileDescriptorProto.message_type has field number 4: - // repeated DescriptorProto message_type = 4; + // + // repeated DescriptorProto message_type = 4; + // // and DescriptorProto.field has field number 2: - // repeated FieldDescriptorProto field = 2; + // + // repeated FieldDescriptorProto field = 2; + // // and FieldDescriptorProto.name has field number 1: - // optional string name = 1; + // + // optional string name = 1; // // Thus, the above path gives the location of a field name. If we removed // the last element: - // [ 4, 3, 2, 7 ] + // + // [ 4, 3, 2, 7 ] + // // this path refers to the whole field declaration (from the beginning // of the label to the terminating semicolon). Path []int32 `protobuf:"varint,1,rep,packed,name=path" json:"path,omitempty"` @@ -2826,34 +3146,34 @@ type SourceCodeInfo_Location struct { // // Examples: // - // optional int32 foo = 1; // Comment attached to foo. - // // Comment attached to bar. - // optional int32 bar = 2; + // optional int32 foo = 1; // Comment attached to foo. + // // Comment attached to bar. + // optional int32 bar = 2; // - // optional string baz = 3; - // // Comment attached to baz. - // // Another line attached to baz. + // optional string baz = 3; + // // Comment attached to baz. + // // Another line attached to baz. // - // // Comment attached to qux. - // // - // // Another line attached to qux. - // optional double qux = 4; + // // Comment attached to moo. + // // + // // Another line attached to moo. + // optional double moo = 4; // - // // Detached comment for corge. This is not leading or trailing comments - // // to qux or corge because there are blank lines separating it from - // // both. + // // Detached comment for corge. This is not leading or trailing comments + // // to moo or corge because there are blank lines separating it from + // // both. // - // // Detached comment for corge paragraph 2. + // // Detached comment for corge paragraph 2. // - // optional string corge = 5; - // /* Block comment attached - // * to corge. Leading asterisks - // * will be removed. */ - // /* Block comment attached to - // * grault. */ - // optional int32 grault = 6; + // optional string corge = 5; + // /* Block comment attached + // * to corge. Leading asterisks + // * will be removed. */ + // /* Block comment attached to + // * grault. */ + // optional int32 grault = 6; // - // // ignored detached comments. + // // ignored detached comments. LeadingComments *string `protobuf:"bytes,3,opt,name=leading_comments,json=leadingComments" json:"leading_comments,omitempty"` TrailingComments *string `protobuf:"bytes,4,opt,name=trailing_comments,json=trailingComments" json:"trailing_comments,omitempty"` LeadingDetachedComments []string `protobuf:"bytes,6,rep,name=leading_detached_comments,json=leadingDetachedComments" json:"leading_detached_comments,omitempty"` @@ -2940,9 +3260,10 @@ type GeneratedCodeInfo_Annotation struct { // that relates to the identified object. Begin *int32 `protobuf:"varint,3,opt,name=begin" json:"begin,omitempty"` // Identifies the ending offset in bytes in the generated code that - // relates to the identified offset. The end offset should be one past + // relates to the identified object. The end offset should be one past // the last relevant byte (so the length of the text = end - begin). - End *int32 `protobuf:"varint,4,opt,name=end" json:"end,omitempty"` + End *int32 `protobuf:"varint,4,opt,name=end" json:"end,omitempty"` + Semantic *GeneratedCodeInfo_Annotation_Semantic `protobuf:"varint,5,opt,name=semantic,enum=google.protobuf.GeneratedCodeInfo_Annotation_Semantic" json:"semantic,omitempty"` } func (x *GeneratedCodeInfo_Annotation) Reset() { @@ -3005,6 +3326,13 @@ func (x *GeneratedCodeInfo_Annotation) GetEnd() int32 { return 0 } +func (x *GeneratedCodeInfo_Annotation) GetSemantic() GeneratedCodeInfo_Annotation_Semantic { + if x != nil && x.Semantic != nil { + return *x.Semantic + } + return GeneratedCodeInfo_Annotation_NONE +} + var File_google_protobuf_descriptor_proto protoreflect.FileDescriptor var file_google_protobuf_descriptor_proto_rawDesc = []byte{ @@ -3016,7 +3344,7 @@ var file_google_protobuf_descriptor_proto_rawDesc = []byte{ 0x18, 0x01, 0x20, 0x03, 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google.protobuf.ExtensionRangeOptions - 43, // [43:43] is the sub-list for method output_type - 43, // [43:43] is the sub-list for method input_type - 43, // [43:43] is the sub-list for extension type_name - 43, // [43:43] is the sub-list for extension extendee - 0, // [0:43] is the sub-list for field type_name + 5, // 32: google.protobuf.FieldOptions.retention:type_name -> google.protobuf.FieldOptions.OptionRetention + 6, // 33: google.protobuf.FieldOptions.target:type_name -> google.protobuf.FieldOptions.OptionTargetType + 27, // 34: google.protobuf.FieldOptions.uninterpreted_option:type_name -> google.protobuf.UninterpretedOption + 27, // 35: google.protobuf.OneofOptions.uninterpreted_option:type_name -> google.protobuf.UninterpretedOption + 27, // 36: google.protobuf.EnumOptions.uninterpreted_option:type_name -> google.protobuf.UninterpretedOption + 27, // 37: google.protobuf.EnumValueOptions.uninterpreted_option:type_name -> google.protobuf.UninterpretedOption + 27, // 38: google.protobuf.ServiceOptions.uninterpreted_option:type_name -> google.protobuf.UninterpretedOption + 7, // 39: google.protobuf.MethodOptions.idempotency_level:type_name -> google.protobuf.MethodOptions.IdempotencyLevel + 27, // 40: google.protobuf.MethodOptions.uninterpreted_option:type_name -> google.protobuf.UninterpretedOption + 33, // 41: google.protobuf.UninterpretedOption.name:type_name -> google.protobuf.UninterpretedOption.NamePart + 34, // 42: google.protobuf.SourceCodeInfo.location:type_name -> google.protobuf.SourceCodeInfo.Location + 35, // 43: google.protobuf.GeneratedCodeInfo.annotation:type_name -> google.protobuf.GeneratedCodeInfo.Annotation + 12, // 44: google.protobuf.DescriptorProto.ExtensionRange.options:type_name -> google.protobuf.ExtensionRangeOptions + 8, // 45: google.protobuf.GeneratedCodeInfo.Annotation.semantic:type_name -> google.protobuf.GeneratedCodeInfo.Annotation.Semantic + 46, // [46:46] is the sub-list for method output_type + 46, // [46:46] is the sub-list for method input_type + 46, // [46:46] is the sub-list for extension type_name + 46, // [46:46] is the sub-list for extension extendee + 0, // [0:46] is the sub-list for field type_name } func init() { file_google_protobuf_descriptor_proto_init() } @@ -3940,7 +4333,7 @@ func file_google_protobuf_descriptor_proto_init() { File: protoimpl.DescBuilder{ GoPackagePath: reflect.TypeOf(x{}).PkgPath(), RawDescriptor: file_google_protobuf_descriptor_proto_rawDesc, - NumEnums: 6, + NumEnums: 9, NumMessages: 27, NumExtensions: 0, NumServices: 0, diff --git a/vendor/google.golang.org/protobuf/types/known/anypb/any.pb.go b/vendor/google.golang.org/protobuf/types/known/anypb/any.pb.go index 8c10797b9..a6c7a33f3 100644 --- a/vendor/google.golang.org/protobuf/types/known/anypb/any.pb.go +++ b/vendor/google.golang.org/protobuf/types/known/anypb/any.pb.go @@ -37,8 +37,7 @@ // It is functionally a tuple of the full name of the remote message type and // the serialized bytes of the remote message value. // -// -// Constructing an Any +// # Constructing an Any // // An Any message containing another message value is constructed using New: // @@ -48,8 +47,7 @@ // } // ... // make use of any // -// -// Unmarshaling an Any +// # Unmarshaling an Any // // With a populated Any message, the underlying message can be serialized into // a remote concrete message value in a few ways. @@ -95,8 +93,7 @@ // listed in the case clauses are linked into the Go binary and therefore also // registered in the global registry. // -// -// Type checking an Any +// # Type checking an Any // // In order to type check whether an Any message represents some other message, // then use the MessageIs method: @@ -115,7 +112,6 @@ // } // ... // make use of m // } -// package anypb import ( @@ -136,45 +132,49 @@ import ( // // Example 1: Pack and unpack a message in C++. // -// Foo foo = ...; -// Any any; -// any.PackFrom(foo); -// ... -// if (any.UnpackTo(&foo)) { -// ... -// } +// Foo foo = ...; +// Any any; +// any.PackFrom(foo); +// ... +// if (any.UnpackTo(&foo)) { +// ... +// } // // Example 2: Pack and unpack a message in Java. // -// Foo foo = ...; -// Any any = Any.pack(foo); -// ... -// if (any.is(Foo.class)) { -// foo = any.unpack(Foo.class); -// } -// -// Example 3: Pack and unpack a message in Python. -// -// foo = Foo(...) -// any = Any() -// any.Pack(foo) -// ... -// if any.Is(Foo.DESCRIPTOR): -// any.Unpack(foo) -// ... -// -// Example 4: Pack and unpack a message in Go -// -// foo := &pb.Foo{...} -// any, err := anypb.New(foo) -// if err != nil { -// ... -// } -// ... -// foo := &pb.Foo{} -// if err := any.UnmarshalTo(foo); err != nil { -// ... -// } +// Foo foo = ...; +// Any any = Any.pack(foo); +// ... +// if (any.is(Foo.class)) { +// foo = any.unpack(Foo.class); +// } +// // or ... +// if (any.isSameTypeAs(Foo.getDefaultInstance())) { +// foo = any.unpack(Foo.getDefaultInstance()); +// } +// +// Example 3: Pack and unpack a message in Python. +// +// foo = Foo(...) +// any = Any() +// any.Pack(foo) +// ... +// if any.Is(Foo.DESCRIPTOR): +// any.Unpack(foo) +// ... +// +// Example 4: Pack and unpack a message in Go +// +// foo := &pb.Foo{...} +// any, err := anypb.New(foo) +// if err != nil { +// ... +// } +// ... +// foo := &pb.Foo{} +// if err := any.UnmarshalTo(foo); err != nil { +// ... +// } // // The pack methods provided by protobuf library will by default use // 'type.googleapis.com/full.type.name' as the type URL and the unpack @@ -182,35 +182,33 @@ import ( // in the type URL, for example "foo.bar.com/x/y.z" will yield type // name "y.z". // +// # JSON // -// JSON -// ==== // The JSON representation of an `Any` value uses the regular // representation of the deserialized, embedded message, with an // additional field `@type` which contains the type URL. Example: // -// package google.profile; -// message Person { -// string first_name = 1; -// string last_name = 2; -// } +// package google.profile; +// message Person { +// string first_name = 1; +// string last_name = 2; +// } // -// { -// "@type": "type.googleapis.com/google.profile.Person", -// "firstName": , -// "lastName": -// } +// { +// "@type": "type.googleapis.com/google.profile.Person", +// "firstName": , +// "lastName": +// } // // If the embedded message type is well-known and has a custom JSON // representation, that representation will be embedded adding a field // `value` which holds the custom JSON in addition to the `@type` // field. Example (for message [google.protobuf.Duration][]): // -// { -// "@type": "type.googleapis.com/google.protobuf.Duration", -// "value": "1.212s" -// } -// +// { +// "@type": "type.googleapis.com/google.protobuf.Duration", +// "value": "1.212s" +// } type Any struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -228,14 +226,14 @@ type Any struct { // scheme `http`, `https`, or no scheme, one can optionally set up a type // server that maps type URLs to message definitions as follows: // - // * If no scheme is provided, `https` is assumed. - // * An HTTP GET on the URL must yield a [google.protobuf.Type][] - // value in binary format, or produce an error. - // * Applications are allowed to cache lookup results based on the - // URL, or have them precompiled into a binary to avoid any - // lookup. Therefore, binary compatibility needs to be preserved - // on changes to types. (Use versioned type names to manage - // breaking changes.) + // - If no scheme is provided, `https` is assumed. + // - An HTTP GET on the URL must yield a [google.protobuf.Type][] + // value in binary format, or produce an error. + // - Applications are allowed to cache lookup results based on the + // URL, or have them precompiled into a binary to avoid any + // lookup. Therefore, binary compatibility needs to be preserved + // on changes to types. (Use versioned type names to manage + // breaking changes.) // // Note: this functionality is not currently available in the official // protobuf release, and it is not used for type URLs beginning with @@ -243,7 +241,6 @@ type Any struct { // // Schemes other than `http`, `https` (or the empty scheme) might be // used with implementation specific semantics. - // TypeUrl string `protobuf:"bytes,1,opt,name=type_url,json=typeUrl,proto3" json:"type_url,omitempty"` // Must be a valid serialized protocol buffer of the above specified type. Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"` diff --git a/vendor/google.golang.org/protobuf/types/known/durationpb/duration.pb.go b/vendor/google.golang.org/protobuf/types/known/durationpb/duration.pb.go index a583ca2f6..df709a8dd 100644 --- a/vendor/google.golang.org/protobuf/types/known/durationpb/duration.pb.go +++ b/vendor/google.golang.org/protobuf/types/known/durationpb/duration.pb.go @@ -35,8 +35,7 @@ // // The Duration message represents a signed span of time. // -// -// Conversion to a Go Duration +// # Conversion to a Go Duration // // The AsDuration method can be used to convert a Duration message to a // standard Go time.Duration value: @@ -65,15 +64,13 @@ // the resulting value to the closest representable value (e.g., math.MaxInt64 // for positive overflow and math.MinInt64 for negative overflow). // -// -// Conversion from a Go Duration +// # Conversion from a Go Duration // // The durationpb.New function can be used to construct a Duration message // from a standard Go time.Duration value: // // dur := durationpb.New(d) // ... // make use of d as a *durationpb.Duration -// package durationpb import ( @@ -96,43 +93,43 @@ import ( // // Example 1: Compute Duration from two Timestamps in pseudo code. // -// Timestamp start = ...; -// Timestamp end = ...; -// Duration duration = ...; +// Timestamp start = ...; +// Timestamp end = ...; +// Duration duration = ...; // -// duration.seconds = end.seconds - start.seconds; -// duration.nanos = end.nanos - start.nanos; +// duration.seconds = end.seconds - start.seconds; +// duration.nanos = end.nanos - start.nanos; // -// if (duration.seconds < 0 && duration.nanos > 0) { -// duration.seconds += 1; -// duration.nanos -= 1000000000; -// } else if (duration.seconds > 0 && duration.nanos < 0) { -// duration.seconds -= 1; -// duration.nanos += 1000000000; -// } +// if (duration.seconds < 0 && duration.nanos > 0) { +// duration.seconds += 1; +// duration.nanos -= 1000000000; +// } else if (duration.seconds > 0 && duration.nanos < 0) { +// duration.seconds -= 1; +// duration.nanos += 1000000000; +// } // // Example 2: Compute Timestamp from Timestamp + Duration in pseudo code. // -// Timestamp start = ...; -// Duration duration = ...; -// Timestamp end = ...; +// Timestamp start = ...; +// Duration duration = ...; +// Timestamp end = ...; // -// end.seconds = start.seconds + duration.seconds; -// end.nanos = start.nanos + duration.nanos; +// end.seconds = start.seconds + duration.seconds; +// end.nanos = start.nanos + duration.nanos; // -// if (end.nanos < 0) { -// end.seconds -= 1; -// end.nanos += 1000000000; -// } else if (end.nanos >= 1000000000) { -// end.seconds += 1; -// end.nanos -= 1000000000; -// } +// if (end.nanos < 0) { +// end.seconds -= 1; +// end.nanos += 1000000000; +// } else if (end.nanos >= 1000000000) { +// end.seconds += 1; +// end.nanos -= 1000000000; +// } // // Example 3: Compute Duration from datetime.timedelta in Python. // -// td = datetime.timedelta(days=3, minutes=10) -// duration = Duration() -// duration.FromTimedelta(td) +// td = datetime.timedelta(days=3, minutes=10) +// duration = Duration() +// duration.FromTimedelta(td) // // # JSON Mapping // @@ -143,8 +140,6 @@ import ( // encoded in JSON format as "3s", while 3 seconds and 1 nanosecond should // be expressed in JSON format as "3.000000001s", and 3 seconds and 1 // microsecond should be expressed in JSON format as "3.000001s". -// -// type Duration struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache diff --git a/vendor/google.golang.org/protobuf/types/known/timestamppb/timestamp.pb.go b/vendor/google.golang.org/protobuf/types/known/timestamppb/timestamp.pb.go index c9ae92132..61f69fc11 100644 --- a/vendor/google.golang.org/protobuf/types/known/timestamppb/timestamp.pb.go +++ b/vendor/google.golang.org/protobuf/types/known/timestamppb/timestamp.pb.go @@ -36,8 +36,7 @@ // The Timestamp message represents a timestamp, // an instant in time since the Unix epoch (January 1st, 1970). // -// -// Conversion to a Go Time +// # Conversion to a Go Time // // The AsTime method can be used to convert a Timestamp message to a // standard Go time.Time value in UTC: @@ -59,8 +58,7 @@ // ... // handle error // } // -// -// Conversion from a Go Time +// # Conversion from a Go Time // // The timestamppb.New function can be used to construct a Timestamp message // from a standard Go time.Time value: @@ -72,7 +70,6 @@ // // ts := timestamppb.Now() // ... // make use of ts as a *timestamppb.Timestamp -// package timestamppb import ( @@ -101,52 +98,50 @@ import ( // // Example 1: Compute Timestamp from POSIX `time()`. // -// Timestamp timestamp; -// timestamp.set_seconds(time(NULL)); -// timestamp.set_nanos(0); +// Timestamp timestamp; +// timestamp.set_seconds(time(NULL)); +// timestamp.set_nanos(0); // // Example 2: Compute Timestamp from POSIX `gettimeofday()`. // -// struct timeval tv; -// gettimeofday(&tv, NULL); +// struct timeval tv; +// gettimeofday(&tv, NULL); // -// Timestamp timestamp; -// timestamp.set_seconds(tv.tv_sec); -// timestamp.set_nanos(tv.tv_usec * 1000); +// Timestamp timestamp; +// timestamp.set_seconds(tv.tv_sec); +// timestamp.set_nanos(tv.tv_usec * 1000); // // Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`. // -// FILETIME ft; -// GetSystemTimeAsFileTime(&ft); -// UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime; +// FILETIME ft; +// GetSystemTimeAsFileTime(&ft); +// UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime; // -// // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z -// // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z. -// Timestamp timestamp; -// timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL)); -// timestamp.set_nanos((INT32) ((ticks % 10000000) * 100)); +// // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z +// // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z. +// Timestamp timestamp; +// timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL)); +// timestamp.set_nanos((INT32) ((ticks % 10000000) * 100)); // // Example 4: Compute Timestamp from Java `System.currentTimeMillis()`. // -// long millis = System.currentTimeMillis(); -// -// Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000) -// .setNanos((int) ((millis % 1000) * 1000000)).build(); +// long millis = System.currentTimeMillis(); // +// Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000) +// .setNanos((int) ((millis % 1000) * 1000000)).build(); // // Example 5: Compute Timestamp from Java `Instant.now()`. // -// Instant now = Instant.now(); -// -// Timestamp timestamp = -// Timestamp.newBuilder().setSeconds(now.getEpochSecond()) -// .setNanos(now.getNano()).build(); +// Instant now = Instant.now(); // +// Timestamp timestamp = +// Timestamp.newBuilder().setSeconds(now.getEpochSecond()) +// .setNanos(now.getNano()).build(); // // Example 6: Compute Timestamp from current time in Python. // -// timestamp = Timestamp() -// timestamp.GetCurrentTime() +// timestamp = Timestamp() +// timestamp.GetCurrentTime() // // # JSON Mapping // @@ -174,8 +169,6 @@ import ( // the Joda Time's [`ISODateTimeFormat.dateTime()`]( // http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime%2D%2D // ) to obtain a formatter capable of generating timestamps in this format. -// -// type Timestamp struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache diff --git a/vendor/google.golang.org/protobuf/types/known/wrapperspb/wrappers.pb.go b/vendor/google.golang.org/protobuf/types/known/wrapperspb/wrappers.pb.go index 895a8049e..762a87130 100644 --- a/vendor/google.golang.org/protobuf/types/known/wrapperspb/wrappers.pb.go +++ b/vendor/google.golang.org/protobuf/types/known/wrapperspb/wrappers.pb.go @@ -27,7 +27,7 @@ // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - +// // Wrappers for primitive (non-message) types. These types are useful // for embedding primitives in the `google.protobuf.Any` type and for places // where we need to distinguish between the absence of a primitive diff --git a/vendor/modules.txt b/vendor/modules.txt index 45e0d435c..ef28c7bf8 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -211,10 +211,10 @@ google.golang.org/appengine/internal/log google.golang.org/appengine/internal/remote_api google.golang.org/appengine/internal/urlfetch google.golang.org/appengine/urlfetch -# google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21 -## explicit; go 1.15 +# google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19 +## explicit; go 1.19 google.golang.org/genproto/googleapis/rpc/status -# google.golang.org/grpc v1.51.0 +# google.golang.org/grpc v1.57.0 ## explicit; go 1.17 google.golang.org/grpc google.golang.org/grpc/attributes @@ -264,7 +264,7 @@ google.golang.org/grpc/serviceconfig google.golang.org/grpc/stats google.golang.org/grpc/status google.golang.org/grpc/tap -# google.golang.org/protobuf v1.28.1 +# google.golang.org/protobuf v1.30.0 ## explicit; go 1.11 google.golang.org/protobuf/encoding/protojson google.golang.org/protobuf/encoding/prototext