From 7697c712dff2cd57da8342969e3104e5d05d5585 Mon Sep 17 00:00:00 2001 From: Xavier MARCELET Date: Tue, 3 Jan 2023 16:18:31 +0100 Subject: [PATCH] bump dependencies --- go.mod | 10 +- go.sum | 11 + vendor/github.com/cespare/xxhash/v2/README.md | 31 +- .../github.com/cespare/xxhash/v2/testall.sh | 10 + vendor/github.com/cespare/xxhash/v2/xxhash.go | 47 +- .../cespare/xxhash/v2/xxhash_amd64.s | 336 ++++---- .../cespare/xxhash/v2/xxhash_arm64.s | 183 +++++ .../v2/{xxhash_amd64.go => xxhash_asm.go} | 2 + .../cespare/xxhash/v2/xxhash_other.go | 22 +- .../cespare/xxhash/v2/xxhash_safe.go | 1 + .../cespare/xxhash/v2/xxhash_unsafe.go | 3 +- .../github.com/fsnotify/fsnotify/.gitignore | 10 +- vendor/github.com/fsnotify/fsnotify/AUTHORS | 62 -- .../github.com/fsnotify/fsnotify/CHANGELOG.md | 113 +++ .../fsnotify/fsnotify/CONTRIBUTING.md | 72 +- vendor/github.com/fsnotify/fsnotify/LICENSE | 47 +- vendor/github.com/fsnotify/fsnotify/README.md | 205 +++-- .../fsnotify/fsnotify/backend_fen.go | 162 ++++ .../fsnotify/fsnotify/backend_inotify.go | 459 +++++++++++ .../fsnotify/fsnotify/backend_kqueue.go | 707 +++++++++++++++++ .../fsnotify/fsnotify/backend_other.go | 66 ++ .../fsnotify/fsnotify/backend_windows.go | 746 ++++++++++++++++++ vendor/github.com/fsnotify/fsnotify/fen.go | 38 - .../github.com/fsnotify/fsnotify/fsnotify.go | 80 +- .../fsnotify/fsnotify/fsnotify_unsupported.go | 36 - .../github.com/fsnotify/fsnotify/inotify.go | 351 -------- .../fsnotify/fsnotify/inotify_poller.go | 187 ----- vendor/github.com/fsnotify/fsnotify/kqueue.go | 535 ------------- vendor/github.com/fsnotify/fsnotify/mkdoc.zsh | 208 +++++ .../{open_mode_bsd.go => system_bsd.go} | 4 - .../{open_mode_darwin.go => system_darwin.go} | 4 - .../github.com/fsnotify/fsnotify/windows.go | 586 -------------- .../github.com/gravitational/trace/README.md | 4 +- .../github.com/gravitational/trace/trace.go | 96 ++- .../prometheus/procfs/Makefile.common | 9 +- .../github.com/prometheus/procfs/cpuinfo.go | 36 + .../prometheus/procfs/cpuinfo_loong64.go | 19 + .../prometheus/procfs/cpuinfo_others.go | 4 +- vendor/github.com/prometheus/procfs/doc.go | 51 +- .../prometheus/procfs/mountstats.go | 3 +- .../prometheus/procfs/net_softnet.go | 70 +- .../github.com/prometheus/procfs/netstat.go | 53 +- .../prometheus/procfs/proc_cgroup.go | 2 +- .../prometheus/procfs/proc_interrupts.go | 98 +++ .../prometheus/procfs/proc_netstat.go | 491 ++++++------ .../github.com/prometheus/procfs/proc_snmp.go | 318 ++++---- .../prometheus/procfs/proc_snmp6.go | 364 ++++----- .../github.com/prometheus/procfs/proc_stat.go | 4 +- .../prometheus/procfs/proc_status.go | 6 +- vendor/github.com/prometheus/procfs/stat.go | 22 +- vendor/github.com/prometheus/procfs/thread.go | 79 ++ vendor/github.com/prometheus/procfs/vm.go | 4 +- vendor/modules.txt | 12 +- 53 files changed, 4146 insertions(+), 2933 deletions(-) create mode 100644 vendor/github.com/cespare/xxhash/v2/testall.sh create mode 100644 vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s rename vendor/github.com/cespare/xxhash/v2/{xxhash_amd64.go => xxhash_asm.go} (73%) delete mode 100644 vendor/github.com/fsnotify/fsnotify/AUTHORS create mode 100644 vendor/github.com/fsnotify/fsnotify/backend_fen.go create mode 100644 vendor/github.com/fsnotify/fsnotify/backend_inotify.go create mode 100644 vendor/github.com/fsnotify/fsnotify/backend_kqueue.go create mode 100644 vendor/github.com/fsnotify/fsnotify/backend_other.go create mode 100644 vendor/github.com/fsnotify/fsnotify/backend_windows.go delete mode 100644 vendor/github.com/fsnotify/fsnotify/fen.go delete mode 100644 vendor/github.com/fsnotify/fsnotify/fsnotify_unsupported.go delete mode 100644 vendor/github.com/fsnotify/fsnotify/inotify.go delete mode 100644 vendor/github.com/fsnotify/fsnotify/inotify_poller.go delete mode 100644 vendor/github.com/fsnotify/fsnotify/kqueue.go create mode 100644 vendor/github.com/fsnotify/fsnotify/mkdoc.zsh rename vendor/github.com/fsnotify/fsnotify/{open_mode_bsd.go => system_bsd.go} (57%) rename vendor/github.com/fsnotify/fsnotify/{open_mode_darwin.go => system_darwin.go} (52%) delete mode 100644 vendor/github.com/fsnotify/fsnotify/windows.go create mode 100644 vendor/github.com/prometheus/procfs/cpuinfo_loong64.go create mode 100644 vendor/github.com/prometheus/procfs/proc_interrupts.go create mode 100644 vendor/github.com/prometheus/procfs/thread.go diff --git a/go.mod b/go.mod index 69c8c60..702f682 100644 --- a/go.mod +++ b/go.mod @@ -20,14 +20,14 @@ require ( github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect github.com/beorn7/perks v1.0.1 // indirect - github.com/cespare/xxhash/v2 v2.1.2 // indirect - github.com/fsnotify/fsnotify v1.5.4 // indirect + github.com/cespare/xxhash/v2 v2.2.0 // indirect + github.com/fsnotify/fsnotify v1.6.0 // indirect github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect github.com/golang/protobuf v1.5.2 // indirect github.com/google/go-cmp v0.5.9 // indirect github.com/gorilla/securecookie v1.1.1 // indirect github.com/gorilla/websocket v1.5.0 // indirect - github.com/gravitational/trace v1.1.19 // indirect + github.com/gravitational/trace v1.2.0 // indirect github.com/jonboulle/clockwork v0.3.0 // indirect github.com/kr/pretty v0.3.1 // indirect github.com/mailgun/multibuf v0.1.2 // indirect @@ -35,9 +35,9 @@ require ( github.com/nxadm/tail v1.4.8 // indirect github.com/prometheus/client_golang v1.14.0 // indirect github.com/prometheus/client_model v0.3.0 // indirect - github.com/prometheus/procfs v0.8.0 // indirect + github.com/prometheus/procfs v0.9.0 // indirect github.com/vulcand/predicate v1.2.0 // indirect - golang.org/x/crypto v0.0.0-20220926161630-eccd6366d1be // indirect + golang.org/x/crypto v0.4.0 // indirect golang.org/x/net v0.4.0 // indirect golang.org/x/sys v0.3.0 // indirect golang.org/x/term v0.3.0 // indirect diff --git a/go.sum b/go.sum index 86c3fc4..23f6dbb 100644 --- a/go.sum +++ b/go.sum @@ -15,6 +15,8 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE= github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44= +github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= @@ -36,6 +38,8 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= github.com/fsnotify/fsnotify v1.5.4 h1:jRbGcIw6P2Meqdwuo0H1p6JVLbL5DHKAKlYndzMwVZI= github.com/fsnotify/fsnotify v1.5.4/go.mod h1:OVB6XrOHzAwXMpEM7uPOzcehqUV2UqJxmVXmkdnm1bU= +github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY= +github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0= github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I= @@ -81,6 +85,8 @@ github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad github.com/gravitational/trace v1.1.16-0.20220114165159-14a9a7dd6aaf/go.mod h1:zXqxTI6jXDdKnlf8s+nT+3c8LrwUEy3yNpO4XJL90lA= github.com/gravitational/trace v1.1.19 h1:MHxfSvqHRNyOGF2440JILYrLdseAhCMErenSkg+i8+s= github.com/gravitational/trace v1.1.19/go.mod h1:n0ijrq6psJY0sOI/NzLp+xdd8xl79jjwzVOFHDY6+kQ= +github.com/gravitational/trace v1.2.0 h1:ODrkITHAmumFOTgCLb2zScMRCT2VQVXyIzDpN2CyN6s= +github.com/gravitational/trace v1.2.0/go.mod h1:n0ijrq6psJY0sOI/NzLp+xdd8xl79jjwzVOFHDY6+kQ= github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw= github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= github.com/jonboulle/clockwork v0.2.2/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8= @@ -118,6 +124,8 @@ github.com/prometheus/common v0.39.0 h1:oOyhkDq05hPZKItWVBkJ6g6AtGxi+fy7F4JvUV8u github.com/prometheus/common v0.39.0/go.mod h1:6XBZ7lYdLCbkAVhwRsWTZn+IN5AB9F/NXd5w0BbEX0Y= github.com/prometheus/procfs v0.8.0 h1:ODq8ZFEaYeCaZOJlZZdJA2AbQR98dSHSM1KW/You5mo= github.com/prometheus/procfs v0.8.0/go.mod h1:z7EfXMXOkbkqb9IINtpCn86r/to3BnA0uaxHdg830/4= +github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI= +github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY= github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ= github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8= github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs= @@ -146,6 +154,8 @@ golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPh golang.org/x/crypto v0.0.0-20220126234351-aa10faf2a1f8/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.0.0-20220926161630-eccd6366d1be h1:fmw3UbQh+nxngCAHrDCCztao/kbYFnWjoqop8dHx05A= golang.org/x/crypto v0.0.0-20220926161630-eccd6366d1be/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= +golang.org/x/crypto v0.4.0 h1:UVQgzMY87xqpKNgb+kDsll2Igd33HszWHFLmpaRMq/8= +golang.org/x/crypto v0.4.0/go.mod h1:3quD/ATkf6oY+rnes5c3ExXTbLc8mueNue5/DoinL80= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU= @@ -192,6 +202,7 @@ golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBc golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ= golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= diff --git a/vendor/github.com/cespare/xxhash/v2/README.md b/vendor/github.com/cespare/xxhash/v2/README.md index 792b4a6..8bf0e5b 100644 --- a/vendor/github.com/cespare/xxhash/v2/README.md +++ b/vendor/github.com/cespare/xxhash/v2/README.md @@ -3,8 +3,7 @@ [![Go Reference](https://pkg.go.dev/badge/github.com/cespare/xxhash/v2.svg)](https://pkg.go.dev/github.com/cespare/xxhash/v2) [![Test](https://github.com/cespare/xxhash/actions/workflows/test.yml/badge.svg)](https://github.com/cespare/xxhash/actions/workflows/test.yml) -xxhash is a Go implementation of the 64-bit -[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a +xxhash is a Go implementation of the 64-bit [xxHash] algorithm, XXH64. This is a high-quality hashing algorithm that is much faster than anything in the Go standard library. @@ -25,8 +24,11 @@ func (*Digest) WriteString(string) (int, error) func (*Digest) Sum64() uint64 ``` -This implementation provides a fast pure-Go implementation and an even faster -assembly implementation for amd64. +The package is written with optimized pure Go and also contains even faster +assembly implementations for amd64 and arm64. If desired, the `purego` build tag +opts into using the Go code even on those architectures. + +[xxHash]: http://cyan4973.github.io/xxHash/ ## Compatibility @@ -45,19 +47,20 @@ I recommend using the latest release of Go. Here are some quick benchmarks comparing the pure-Go and assembly implementations of Sum64. -| input size | purego | asm | -| --- | --- | --- | -| 5 B | 979.66 MB/s | 1291.17 MB/s | -| 100 B | 7475.26 MB/s | 7973.40 MB/s | -| 4 KB | 17573.46 MB/s | 17602.65 MB/s | -| 10 MB | 17131.46 MB/s | 17142.16 MB/s | +| input size | purego | asm | +| ---------- | --------- | --------- | +| 4 B | 1.3 GB/s | 1.2 GB/s | +| 16 B | 2.9 GB/s | 3.5 GB/s | +| 100 B | 6.9 GB/s | 8.1 GB/s | +| 4 KB | 11.7 GB/s | 16.7 GB/s | +| 10 MB | 12.0 GB/s | 17.3 GB/s | -These numbers were generated on Ubuntu 18.04 with an Intel i7-8700K CPU using -the following commands under Go 1.11.2: +These numbers were generated on Ubuntu 20.04 with an Intel Xeon Platinum 8252C +CPU using the following commands under Go 1.19.2: ``` -$ go test -tags purego -benchtime 10s -bench '/xxhash,direct,bytes' -$ go test -benchtime 10s -bench '/xxhash,direct,bytes' +benchstat <(go test -tags purego -benchtime 500ms -count 15 -bench 'Sum64$') +benchstat <(go test -benchtime 500ms -count 15 -bench 'Sum64$') ``` ## Projects using this package diff --git a/vendor/github.com/cespare/xxhash/v2/testall.sh b/vendor/github.com/cespare/xxhash/v2/testall.sh new file mode 100644 index 0000000..94b9c44 --- /dev/null +++ b/vendor/github.com/cespare/xxhash/v2/testall.sh @@ -0,0 +1,10 @@ +#!/bin/bash +set -eu -o pipefail + +# Small convenience script for running the tests with various combinations of +# arch/tags. This assumes we're running on amd64 and have qemu available. + +go test ./... +go test -tags purego ./... +GOARCH=arm64 go test +GOARCH=arm64 go test -tags purego diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash.go b/vendor/github.com/cespare/xxhash/v2/xxhash.go index 15c835d..a9e0d45 100644 --- a/vendor/github.com/cespare/xxhash/v2/xxhash.go +++ b/vendor/github.com/cespare/xxhash/v2/xxhash.go @@ -16,19 +16,11 @@ const ( prime5 uint64 = 2870177450012600261 ) -// NOTE(caleb): I'm using both consts and vars of the primes. Using consts where -// possible in the Go code is worth a small (but measurable) performance boost -// by avoiding some MOVQs. Vars are needed for the asm and also are useful for -// convenience in the Go code in a few places where we need to intentionally -// avoid constant arithmetic (e.g., v1 := prime1 + prime2 fails because the -// result overflows a uint64). -var ( - prime1v = prime1 - prime2v = prime2 - prime3v = prime3 - prime4v = prime4 - prime5v = prime5 -) +// Store the primes in an array as well. +// +// The consts are used when possible in Go code to avoid MOVs but we need a +// contiguous array of the assembly code. +var primes = [...]uint64{prime1, prime2, prime3, prime4, prime5} // Digest implements hash.Hash64. type Digest struct { @@ -50,10 +42,10 @@ func New() *Digest { // Reset clears the Digest's state so that it can be reused. func (d *Digest) Reset() { - d.v1 = prime1v + prime2 + d.v1 = primes[0] + prime2 d.v2 = prime2 d.v3 = 0 - d.v4 = -prime1v + d.v4 = -primes[0] d.total = 0 d.n = 0 } @@ -69,21 +61,23 @@ func (d *Digest) Write(b []byte) (n int, err error) { n = len(b) d.total += uint64(n) + memleft := d.mem[d.n&(len(d.mem)-1):] + if d.n+n < 32 { // This new data doesn't even fill the current block. - copy(d.mem[d.n:], b) + copy(memleft, b) d.n += n return } if d.n > 0 { // Finish off the partial block. - copy(d.mem[d.n:], b) + c := copy(memleft, b) d.v1 = round(d.v1, u64(d.mem[0:8])) d.v2 = round(d.v2, u64(d.mem[8:16])) d.v3 = round(d.v3, u64(d.mem[16:24])) d.v4 = round(d.v4, u64(d.mem[24:32])) - b = b[32-d.n:] + b = b[c:] d.n = 0 } @@ -133,21 +127,20 @@ func (d *Digest) Sum64() uint64 { h += d.total - i, end := 0, d.n - for ; i+8 <= end; i += 8 { - k1 := round(0, u64(d.mem[i:i+8])) + b := d.mem[:d.n&(len(d.mem)-1)] + for ; len(b) >= 8; b = b[8:] { + k1 := round(0, u64(b[:8])) h ^= k1 h = rol27(h)*prime1 + prime4 } - if i+4 <= end { - h ^= uint64(u32(d.mem[i:i+4])) * prime1 + if len(b) >= 4 { + h ^= uint64(u32(b[:4])) * prime1 h = rol23(h)*prime2 + prime3 - i += 4 + b = b[4:] } - for i < end { - h ^= uint64(d.mem[i]) * prime5 + for ; len(b) > 0; b = b[1:] { + h ^= uint64(b[0]) * prime5 h = rol11(h) * prime1 - i++ } h ^= h >> 33 diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s b/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s index be8db5b..3e8b132 100644 --- a/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s +++ b/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s @@ -1,215 +1,209 @@ +//go:build !appengine && gc && !purego // +build !appengine // +build gc // +build !purego #include "textflag.h" -// Register allocation: -// AX h -// SI pointer to advance through b -// DX n -// BX loop end -// R8 v1, k1 -// R9 v2 -// R10 v3 -// R11 v4 -// R12 tmp -// R13 prime1v -// R14 prime2v -// DI prime4v - -// round reads from and advances the buffer pointer in SI. -// It assumes that R13 has prime1v and R14 has prime2v. -#define round(r) \ - MOVQ (SI), R12 \ - ADDQ $8, SI \ - IMULQ R14, R12 \ - ADDQ R12, r \ - ROLQ $31, r \ - IMULQ R13, r - -// mergeRound applies a merge round on the two registers acc and val. -// It assumes that R13 has prime1v, R14 has prime2v, and DI has prime4v. -#define mergeRound(acc, val) \ - IMULQ R14, val \ - ROLQ $31, val \ - IMULQ R13, val \ - XORQ val, acc \ - IMULQ R13, acc \ - ADDQ DI, acc +// Registers: +#define h AX +#define d AX +#define p SI // pointer to advance through b +#define n DX +#define end BX // loop end +#define v1 R8 +#define v2 R9 +#define v3 R10 +#define v4 R11 +#define x R12 +#define prime1 R13 +#define prime2 R14 +#define prime4 DI + +#define round(acc, x) \ + IMULQ prime2, x \ + ADDQ x, acc \ + ROLQ $31, acc \ + IMULQ prime1, acc + +// round0 performs the operation x = round(0, x). +#define round0(x) \ + IMULQ prime2, x \ + ROLQ $31, x \ + IMULQ prime1, x + +// mergeRound applies a merge round on the two registers acc and x. +// It assumes that prime1, prime2, and prime4 have been loaded. +#define mergeRound(acc, x) \ + round0(x) \ + XORQ x, acc \ + IMULQ prime1, acc \ + ADDQ prime4, acc + +// blockLoop processes as many 32-byte blocks as possible, +// updating v1, v2, v3, and v4. It assumes that there is at least one block +// to process. +#define blockLoop() \ +loop: \ + MOVQ +0(p), x \ + round(v1, x) \ + MOVQ +8(p), x \ + round(v2, x) \ + MOVQ +16(p), x \ + round(v3, x) \ + MOVQ +24(p), x \ + round(v4, x) \ + ADDQ $32, p \ + CMPQ p, end \ + JLE loop // func Sum64(b []byte) uint64 -TEXT ·Sum64(SB), NOSPLIT, $0-32 +TEXT ·Sum64(SB), NOSPLIT|NOFRAME, $0-32 // Load fixed primes. - MOVQ ·prime1v(SB), R13 - MOVQ ·prime2v(SB), R14 - MOVQ ·prime4v(SB), DI + MOVQ ·primes+0(SB), prime1 + MOVQ ·primes+8(SB), prime2 + MOVQ ·primes+24(SB), prime4 // Load slice. - MOVQ b_base+0(FP), SI - MOVQ b_len+8(FP), DX - LEAQ (SI)(DX*1), BX + MOVQ b_base+0(FP), p + MOVQ b_len+8(FP), n + LEAQ (p)(n*1), end // The first loop limit will be len(b)-32. - SUBQ $32, BX + SUBQ $32, end // Check whether we have at least one block. - CMPQ DX, $32 + CMPQ n, $32 JLT noBlocks // Set up initial state (v1, v2, v3, v4). - MOVQ R13, R8 - ADDQ R14, R8 - MOVQ R14, R9 - XORQ R10, R10 - XORQ R11, R11 - SUBQ R13, R11 - - // Loop until SI > BX. -blockLoop: - round(R8) - round(R9) - round(R10) - round(R11) - - CMPQ SI, BX - JLE blockLoop - - MOVQ R8, AX - ROLQ $1, AX - MOVQ R9, R12 - ROLQ $7, R12 - ADDQ R12, AX - MOVQ R10, R12 - ROLQ $12, R12 - ADDQ R12, AX - MOVQ R11, R12 - ROLQ $18, R12 - ADDQ R12, AX - - mergeRound(AX, R8) - mergeRound(AX, R9) - mergeRound(AX, R10) - mergeRound(AX, R11) + MOVQ prime1, v1 + ADDQ prime2, v1 + MOVQ prime2, v2 + XORQ v3, v3 + XORQ v4, v4 + SUBQ prime1, v4 + + blockLoop() + + MOVQ v1, h + ROLQ $1, h + MOVQ v2, x + ROLQ $7, x + ADDQ x, h + MOVQ v3, x + ROLQ $12, x + ADDQ x, h + MOVQ v4, x + ROLQ $18, x + ADDQ x, h + + mergeRound(h, v1) + mergeRound(h, v2) + mergeRound(h, v3) + mergeRound(h, v4) JMP afterBlocks noBlocks: - MOVQ ·prime5v(SB), AX + MOVQ ·primes+32(SB), h afterBlocks: - ADDQ DX, AX - - // Right now BX has len(b)-32, and we want to loop until SI > len(b)-8. - ADDQ $24, BX - - CMPQ SI, BX - JG fourByte - -wordLoop: - // Calculate k1. - MOVQ (SI), R8 - ADDQ $8, SI - IMULQ R14, R8 - ROLQ $31, R8 - IMULQ R13, R8 - - XORQ R8, AX - ROLQ $27, AX - IMULQ R13, AX - ADDQ DI, AX - - CMPQ SI, BX - JLE wordLoop - -fourByte: - ADDQ $4, BX - CMPQ SI, BX - JG singles - - MOVL (SI), R8 - ADDQ $4, SI - IMULQ R13, R8 - XORQ R8, AX - - ROLQ $23, AX - IMULQ R14, AX - ADDQ ·prime3v(SB), AX - -singles: - ADDQ $4, BX - CMPQ SI, BX + ADDQ n, h + + ADDQ $24, end + CMPQ p, end + JG try4 + +loop8: + MOVQ (p), x + ADDQ $8, p + round0(x) + XORQ x, h + ROLQ $27, h + IMULQ prime1, h + ADDQ prime4, h + + CMPQ p, end + JLE loop8 + +try4: + ADDQ $4, end + CMPQ p, end + JG try1 + + MOVL (p), x + ADDQ $4, p + IMULQ prime1, x + XORQ x, h + + ROLQ $23, h + IMULQ prime2, h + ADDQ ·primes+16(SB), h + +try1: + ADDQ $4, end + CMPQ p, end JGE finalize -singlesLoop: - MOVBQZX (SI), R12 - ADDQ $1, SI - IMULQ ·prime5v(SB), R12 - XORQ R12, AX +loop1: + MOVBQZX (p), x + ADDQ $1, p + IMULQ ·primes+32(SB), x + XORQ x, h + ROLQ $11, h + IMULQ prime1, h - ROLQ $11, AX - IMULQ R13, AX - - CMPQ SI, BX - JL singlesLoop + CMPQ p, end + JL loop1 finalize: - MOVQ AX, R12 - SHRQ $33, R12 - XORQ R12, AX - IMULQ R14, AX - MOVQ AX, R12 - SHRQ $29, R12 - XORQ R12, AX - IMULQ ·prime3v(SB), AX - MOVQ AX, R12 - SHRQ $32, R12 - XORQ R12, AX - - MOVQ AX, ret+24(FP) + MOVQ h, x + SHRQ $33, x + XORQ x, h + IMULQ prime2, h + MOVQ h, x + SHRQ $29, x + XORQ x, h + IMULQ ·primes+16(SB), h + MOVQ h, x + SHRQ $32, x + XORQ x, h + + MOVQ h, ret+24(FP) RET -// writeBlocks uses the same registers as above except that it uses AX to store -// the d pointer. - // func writeBlocks(d *Digest, b []byte) int -TEXT ·writeBlocks(SB), NOSPLIT, $0-40 +TEXT ·writeBlocks(SB), NOSPLIT|NOFRAME, $0-40 // Load fixed primes needed for round. - MOVQ ·prime1v(SB), R13 - MOVQ ·prime2v(SB), R14 + MOVQ ·primes+0(SB), prime1 + MOVQ ·primes+8(SB), prime2 // Load slice. - MOVQ b_base+8(FP), SI - MOVQ b_len+16(FP), DX - LEAQ (SI)(DX*1), BX - SUBQ $32, BX + MOVQ b_base+8(FP), p + MOVQ b_len+16(FP), n + LEAQ (p)(n*1), end + SUBQ $32, end // Load vN from d. - MOVQ d+0(FP), AX - MOVQ 0(AX), R8 // v1 - MOVQ 8(AX), R9 // v2 - MOVQ 16(AX), R10 // v3 - MOVQ 24(AX), R11 // v4 + MOVQ s+0(FP), d + MOVQ 0(d), v1 + MOVQ 8(d), v2 + MOVQ 16(d), v3 + MOVQ 24(d), v4 // We don't need to check the loop condition here; this function is // always called with at least one block of data to process. -blockLoop: - round(R8) - round(R9) - round(R10) - round(R11) - - CMPQ SI, BX - JLE blockLoop + blockLoop() // Copy vN back to d. - MOVQ R8, 0(AX) - MOVQ R9, 8(AX) - MOVQ R10, 16(AX) - MOVQ R11, 24(AX) - - // The number of bytes written is SI minus the old base pointer. - SUBQ b_base+8(FP), SI - MOVQ SI, ret+32(FP) + MOVQ v1, 0(d) + MOVQ v2, 8(d) + MOVQ v3, 16(d) + MOVQ v4, 24(d) + + // The number of bytes written is p minus the old base pointer. + SUBQ b_base+8(FP), p + MOVQ p, ret+32(FP) RET diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s b/vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s new file mode 100644 index 0000000..7e3145a --- /dev/null +++ b/vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s @@ -0,0 +1,183 @@ +//go:build !appengine && gc && !purego +// +build !appengine +// +build gc +// +build !purego + +#include "textflag.h" + +// Registers: +#define digest R1 +#define h R2 // return value +#define p R3 // input pointer +#define n R4 // input length +#define nblocks R5 // n / 32 +#define prime1 R7 +#define prime2 R8 +#define prime3 R9 +#define prime4 R10 +#define prime5 R11 +#define v1 R12 +#define v2 R13 +#define v3 R14 +#define v4 R15 +#define x1 R20 +#define x2 R21 +#define x3 R22 +#define x4 R23 + +#define round(acc, x) \ + MADD prime2, acc, x, acc \ + ROR $64-31, acc \ + MUL prime1, acc + +// round0 performs the operation x = round(0, x). +#define round0(x) \ + MUL prime2, x \ + ROR $64-31, x \ + MUL prime1, x + +#define mergeRound(acc, x) \ + round0(x) \ + EOR x, acc \ + MADD acc, prime4, prime1, acc + +// blockLoop processes as many 32-byte blocks as possible, +// updating v1, v2, v3, and v4. It assumes that n >= 32. +#define blockLoop() \ + LSR $5, n, nblocks \ + PCALIGN $16 \ + loop: \ + LDP.P 16(p), (x1, x2) \ + LDP.P 16(p), (x3, x4) \ + round(v1, x1) \ + round(v2, x2) \ + round(v3, x3) \ + round(v4, x4) \ + SUB $1, nblocks \ + CBNZ nblocks, loop + +// func Sum64(b []byte) uint64 +TEXT ·Sum64(SB), NOSPLIT|NOFRAME, $0-32 + LDP b_base+0(FP), (p, n) + + LDP ·primes+0(SB), (prime1, prime2) + LDP ·primes+16(SB), (prime3, prime4) + MOVD ·primes+32(SB), prime5 + + CMP $32, n + CSEL LT, prime5, ZR, h // if n < 32 { h = prime5 } else { h = 0 } + BLT afterLoop + + ADD prime1, prime2, v1 + MOVD prime2, v2 + MOVD $0, v3 + NEG prime1, v4 + + blockLoop() + + ROR $64-1, v1, x1 + ROR $64-7, v2, x2 + ADD x1, x2 + ROR $64-12, v3, x3 + ROR $64-18, v4, x4 + ADD x3, x4 + ADD x2, x4, h + + mergeRound(h, v1) + mergeRound(h, v2) + mergeRound(h, v3) + mergeRound(h, v4) + +afterLoop: + ADD n, h + + TBZ $4, n, try8 + LDP.P 16(p), (x1, x2) + + round0(x1) + + // NOTE: here and below, sequencing the EOR after the ROR (using a + // rotated register) is worth a small but measurable speedup for small + // inputs. + ROR $64-27, h + EOR x1 @> 64-27, h, h + MADD h, prime4, prime1, h + + round0(x2) + ROR $64-27, h + EOR x2 @> 64-27, h, h + MADD h, prime4, prime1, h + +try8: + TBZ $3, n, try4 + MOVD.P 8(p), x1 + + round0(x1) + ROR $64-27, h + EOR x1 @> 64-27, h, h + MADD h, prime4, prime1, h + +try4: + TBZ $2, n, try2 + MOVWU.P 4(p), x2 + + MUL prime1, x2 + ROR $64-23, h + EOR x2 @> 64-23, h, h + MADD h, prime3, prime2, h + +try2: + TBZ $1, n, try1 + MOVHU.P 2(p), x3 + AND $255, x3, x1 + LSR $8, x3, x2 + + MUL prime5, x1 + ROR $64-11, h + EOR x1 @> 64-11, h, h + MUL prime1, h + + MUL prime5, x2 + ROR $64-11, h + EOR x2 @> 64-11, h, h + MUL prime1, h + +try1: + TBZ $0, n, finalize + MOVBU (p), x4 + + MUL prime5, x4 + ROR $64-11, h + EOR x4 @> 64-11, h, h + MUL prime1, h + +finalize: + EOR h >> 33, h + MUL prime2, h + EOR h >> 29, h + MUL prime3, h + EOR h >> 32, h + + MOVD h, ret+24(FP) + RET + +// func writeBlocks(d *Digest, b []byte) int +TEXT ·writeBlocks(SB), NOSPLIT|NOFRAME, $0-40 + LDP ·primes+0(SB), (prime1, prime2) + + // Load state. Assume v[1-4] are stored contiguously. + MOVD d+0(FP), digest + LDP 0(digest), (v1, v2) + LDP 16(digest), (v3, v4) + + LDP b_base+8(FP), (p, n) + + blockLoop() + + // Store updated state. + STP (v1, v2), 0(digest) + STP (v3, v4), 16(digest) + + BIC $31, n + MOVD n, ret+32(FP) + RET diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go b/vendor/github.com/cespare/xxhash/v2/xxhash_asm.go similarity index 73% rename from vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go rename to vendor/github.com/cespare/xxhash/v2/xxhash_asm.go index ad14b80..9216e0a 100644 --- a/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go +++ b/vendor/github.com/cespare/xxhash/v2/xxhash_asm.go @@ -1,3 +1,5 @@ +//go:build (amd64 || arm64) && !appengine && gc && !purego +// +build amd64 arm64 // +build !appengine // +build gc // +build !purego diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_other.go b/vendor/github.com/cespare/xxhash/v2/xxhash_other.go index 4a5a821..26df13b 100644 --- a/vendor/github.com/cespare/xxhash/v2/xxhash_other.go +++ b/vendor/github.com/cespare/xxhash/v2/xxhash_other.go @@ -1,4 +1,5 @@ -// +build !amd64 appengine !gc purego +//go:build (!amd64 && !arm64) || appengine || !gc || purego +// +build !amd64,!arm64 appengine !gc purego package xxhash @@ -14,10 +15,10 @@ func Sum64(b []byte) uint64 { var h uint64 if n >= 32 { - v1 := prime1v + prime2 + v1 := primes[0] + prime2 v2 := prime2 v3 := uint64(0) - v4 := -prime1v + v4 := -primes[0] for len(b) >= 32 { v1 = round(v1, u64(b[0:8:len(b)])) v2 = round(v2, u64(b[8:16:len(b)])) @@ -36,19 +37,18 @@ func Sum64(b []byte) uint64 { h += uint64(n) - i, end := 0, len(b) - for ; i+8 <= end; i += 8 { - k1 := round(0, u64(b[i:i+8:len(b)])) + for ; len(b) >= 8; b = b[8:] { + k1 := round(0, u64(b[:8])) h ^= k1 h = rol27(h)*prime1 + prime4 } - if i+4 <= end { - h ^= uint64(u32(b[i:i+4:len(b)])) * prime1 + if len(b) >= 4 { + h ^= uint64(u32(b[:4])) * prime1 h = rol23(h)*prime2 + prime3 - i += 4 + b = b[4:] } - for ; i < end; i++ { - h ^= uint64(b[i]) * prime5 + for ; len(b) > 0; b = b[1:] { + h ^= uint64(b[0]) * prime5 h = rol11(h) * prime1 } diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go b/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go index fc9bea7..e86f1b5 100644 --- a/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go +++ b/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go @@ -1,3 +1,4 @@ +//go:build appengine // +build appengine // This file contains the safe implementations of otherwise unsafe-using code. diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go b/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go index 376e0ca..1c1638f 100644 --- a/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go +++ b/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go @@ -1,3 +1,4 @@ +//go:build !appengine // +build !appengine // This file encapsulates usage of unsafe. @@ -11,7 +12,7 @@ import ( // In the future it's possible that compiler optimizations will make these // XxxString functions unnecessary by realizing that calls such as -// Sum64([]byte(s)) don't need to copy s. See https://golang.org/issue/2205. +// Sum64([]byte(s)) don't need to copy s. See https://go.dev/issue/2205. // If that happens, even if we keep these functions they can be replaced with // the trivial safe code. diff --git a/vendor/github.com/fsnotify/fsnotify/.gitignore b/vendor/github.com/fsnotify/fsnotify/.gitignore index 4cd0cba..1d89d85 100644 --- a/vendor/github.com/fsnotify/fsnotify/.gitignore +++ b/vendor/github.com/fsnotify/fsnotify/.gitignore @@ -1,6 +1,6 @@ -# Setup a Global .gitignore for OS and editor generated files: -# https://help.github.com/articles/ignoring-files -# git config --global core.excludesfile ~/.gitignore_global +# go test -c output +*.test +*.test.exe -.vagrant -*.sublime-project +# Output of go build ./cmd/fsnotify +/fsnotify diff --git a/vendor/github.com/fsnotify/fsnotify/AUTHORS b/vendor/github.com/fsnotify/fsnotify/AUTHORS deleted file mode 100644 index 6cbabe5..0000000 --- a/vendor/github.com/fsnotify/fsnotify/AUTHORS +++ /dev/null @@ -1,62 +0,0 @@ -# Names should be added to this file as -# Name or Organization -# The email address is not required for organizations. - -# You can update this list using the following command: -# -# $ (head -n10 AUTHORS && git shortlog -se | sed -E 's/^\s+[0-9]+\t//') | tee AUTHORS - -# Please keep the list sorted. - -Aaron L -Adrien Bustany -Alexey Kazakov -Amit Krishnan -Anmol Sethi -Bjørn Erik Pedersen -Brian Goff -Bruno Bigras -Caleb Spare -Case Nelson -Chris Howey -Christoffer Buchholz -Daniel Wagner-Hall -Dave Cheney -Eric Lin -Evan Phoenix -Francisco Souza -Gautam Dey -Hari haran -Ichinose Shogo -Johannes Ebke -John C Barstow -Kelvin Fo -Ken-ichirou MATSUZAWA -Matt Layher -Matthias Stone -Nathan Youngman -Nickolai Zeldovich -Oliver Bristow -Patrick -Paul Hammond -Pawel Knap -Pieter Droogendijk -Pratik Shinde -Pursuit92 -Riku Voipio -Rob Figueiredo -Rodrigo Chiossi -Slawek Ligus -Soge Zhang -Tiffany Jernigan -Tilak Sharma -Tobias Klauser -Tom Payne -Travis Cline -Tudor Golubenco -Vahe Khachikyan -Yukang -bronze1man -debrando -henrikedwards -铁哥 diff --git a/vendor/github.com/fsnotify/fsnotify/CHANGELOG.md b/vendor/github.com/fsnotify/fsnotify/CHANGELOG.md index cc01c08..77f9593 100644 --- a/vendor/github.com/fsnotify/fsnotify/CHANGELOG.md +++ b/vendor/github.com/fsnotify/fsnotify/CHANGELOG.md @@ -7,6 +7,95 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ## [Unreleased] +Nothing yet. + +## [1.6.0] - 2022-10-13 + +This version of fsnotify needs Go 1.16 (this was already the case since 1.5.1, +but not documented). It also increases the minimum Linux version to 2.6.32. + +### Additions + +- all: add `Event.Has()` and `Op.Has()` ([#477]) + + This makes checking events a lot easier; for example: + + if event.Op&Write == Write && !(event.Op&Remove == Remove) { + } + + Becomes: + + if event.Has(Write) && !event.Has(Remove) { + } + +- all: add cmd/fsnotify ([#463]) + + A command-line utility for testing and some examples. + +### Changes and fixes + +- inotify: don't ignore events for files that don't exist ([#260], [#470]) + + Previously the inotify watcher would call `os.Lstat()` to check if a file + still exists before emitting events. + + This was inconsistent with other platforms and resulted in inconsistent event + reporting (e.g. when a file is quickly removed and re-created), and generally + a source of confusion. It was added in 2013 to fix a memory leak that no + longer exists. + +- all: return `ErrNonExistentWatch` when `Remove()` is called on a path that's + not watched ([#460]) + +- inotify: replace epoll() with non-blocking inotify ([#434]) + + Non-blocking inotify was not generally available at the time this library was + written in 2014, but now it is. As a result, the minimum Linux version is + bumped from 2.6.27 to 2.6.32. This hugely simplifies the code and is faster. + +- kqueue: don't check for events every 100ms ([#480]) + + The watcher would wake up every 100ms, even when there was nothing to do. Now + it waits until there is something to do. + +- macos: retry opening files on EINTR ([#475]) + +- kqueue: skip unreadable files ([#479]) + + kqueue requires a file descriptor for every file in a directory; this would + fail if a file was unreadable by the current user. Now these files are simply + skipped. + +- windows: fix renaming a watched directory if the parent is also watched ([#370]) + +- windows: increase buffer size from 4K to 64K ([#485]) + +- windows: close file handle on Remove() ([#288]) + +- kqueue: put pathname in the error if watching a file fails ([#471]) + +- inotify, windows: calling Close() more than once could race ([#465]) + +- kqueue: improve Close() performance ([#233]) + +- all: various documentation additions and clarifications. + +[#233]: https://github.com/fsnotify/fsnotify/pull/233 +[#260]: https://github.com/fsnotify/fsnotify/pull/260 +[#288]: https://github.com/fsnotify/fsnotify/pull/288 +[#370]: https://github.com/fsnotify/fsnotify/pull/370 +[#434]: https://github.com/fsnotify/fsnotify/pull/434 +[#460]: https://github.com/fsnotify/fsnotify/pull/460 +[#463]: https://github.com/fsnotify/fsnotify/pull/463 +[#465]: https://github.com/fsnotify/fsnotify/pull/465 +[#470]: https://github.com/fsnotify/fsnotify/pull/470 +[#471]: https://github.com/fsnotify/fsnotify/pull/471 +[#475]: https://github.com/fsnotify/fsnotify/pull/475 +[#477]: https://github.com/fsnotify/fsnotify/pull/477 +[#479]: https://github.com/fsnotify/fsnotify/pull/479 +[#480]: https://github.com/fsnotify/fsnotify/pull/480 +[#485]: https://github.com/fsnotify/fsnotify/pull/485 + ## [1.5.4] - 2022-04-25 * Windows: add missing defer to `Watcher.WatchList` [#447](https://github.com/fsnotify/fsnotify/pull/447) @@ -40,6 +129,30 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 [#385](https://github.com/fsnotify/fsnotify/pull/385) * Go 1.14+: Fix unsafe pointer conversion [#325](https://github.com/fsnotify/fsnotify/pull/325) +## [1.4.9] - 2020-03-11 + +* Move example usage to the readme #329. This may resolve #328. + +## [1.4.8] - 2020-03-10 + +* CI: test more go versions (@nathany 1d13583d846ea9d66dcabbfefbfb9d8e6fb05216) +* Tests: Queued inotify events could have been read by the test before max_queued_events was hit (@matthias-stone #265) +* Tests: t.Fatalf -> t.Errorf in go routines (@gdey #266) +* CI: Less verbosity (@nathany #267) +* Tests: Darwin: Exchangedata is deprecated on 10.13 (@nathany #267) +* Tests: Check if channels are closed in the example (@alexeykazakov #244) +* CI: Only run golint on latest version of go and fix issues (@cpuguy83 #284) +* CI: Add windows to travis matrix (@cpuguy83 #284) +* Docs: Remover appveyor badge (@nathany 11844c0959f6fff69ba325d097fce35bd85a8e93) +* Linux: create epoll and pipe fds with close-on-exec (@JohannesEbke #219) +* Linux: open files with close-on-exec (@linxiulei #273) +* Docs: Plan to support fanotify (@nathany ab058b44498e8b7566a799372a39d150d9ea0119 ) +* Project: Add go.mod (@nathany #309) +* Project: Revise editor config (@nathany #309) +* Project: Update copyright for 2019 (@nathany #309) +* CI: Drop go1.8 from CI matrix (@nathany #309) +* Docs: Updating the FAQ section for supportability with NFS & FUSE filesystems (@Pratik32 4bf2d1fec78374803a39307bfb8d340688f4f28e ) + ## [1.4.7] - 2018-01-09 * BSD/macOS: Fix possible deadlock on closing the watcher on kqueue (thanks @nhooyr and @glycerine) diff --git a/vendor/github.com/fsnotify/fsnotify/CONTRIBUTING.md b/vendor/github.com/fsnotify/fsnotify/CONTRIBUTING.md index 8a64256..ea37975 100644 --- a/vendor/github.com/fsnotify/fsnotify/CONTRIBUTING.md +++ b/vendor/github.com/fsnotify/fsnotify/CONTRIBUTING.md @@ -1,60 +1,26 @@ -# Contributing +Thank you for your interest in contributing to fsnotify! We try to review and +merge PRs in a reasonable timeframe, but please be aware that: -## Issues +- To avoid "wasted" work, please discus changes on the issue tracker first. You + can just send PRs, but they may end up being rejected for one reason or the + other. -* Request features and report bugs using the [GitHub Issue Tracker](https://github.com/fsnotify/fsnotify/issues). -* Please indicate the platform you are using fsnotify on. -* A code example to reproduce the problem is appreciated. +- fsnotify is a cross-platform library, and changes must work reasonably well on + all supported platforms. -## Pull Requests +- Changes will need to be compatible; old code should still compile, and the + runtime behaviour can't change in ways that are likely to lead to problems for + users. -### Contributor License Agreement +Testing +------- +Just `go test ./...` runs all the tests; the CI runs this on all supported +platforms. Testing different platforms locally can be done with something like +[goon] or [Vagrant], but this isn't super-easy to set up at the moment. -fsnotify is derived from code in the [golang.org/x/exp](https://godoc.org/golang.org/x/exp) package and it may be included [in the standard library](https://github.com/fsnotify/fsnotify/issues/1) in the future. Therefore fsnotify carries the same [LICENSE](https://github.com/fsnotify/fsnotify/blob/master/LICENSE) as Go. Contributors retain their copyright, so you need to fill out a short form before we can accept your contribution: [Google Individual Contributor License Agreement](https://developers.google.com/open-source/cla/individual). +Use the `-short` flag to make the "stress test" run faster. -Please indicate that you have signed the CLA in your pull request. -### How fsnotify is Developed - -* Development is done on feature branches. -* Tests are run on BSD, Linux, macOS and Windows. -* Pull requests are reviewed and [applied to master][am] using [hub][]. - * Maintainers may modify or squash commits rather than asking contributors to. -* To issue a new release, the maintainers will: - * Update the CHANGELOG - * Tag a version, which will become available through gopkg.in. - -### How to Fork - -For smooth sailing, always use the original import path. Installing with `go get` makes this easy. - -1. Install from GitHub (`go get -u github.com/fsnotify/fsnotify`) -2. Create your feature branch (`git checkout -b my-new-feature`) -3. Ensure everything works and the tests pass (see below) -4. Commit your changes (`git commit -am 'Add some feature'`) - -Contribute upstream: - -1. Fork fsnotify on GitHub -2. Add your remote (`git remote add fork git@github.com:mycompany/repo.git`) -3. Push to the branch (`git push fork my-new-feature`) -4. Create a new Pull Request on GitHub - -This workflow is [thoroughly explained by Katrina Owen](https://splice.com/blog/contributing-open-source-git-repositories-go/). - -### Testing - -fsnotify uses build tags to compile different code on Linux, BSD, macOS, and Windows. - -Before doing a pull request, please do your best to test your changes on multiple platforms, and list which platforms you were able/unable to test on. - -### Maintainers - -Help maintaining fsnotify is welcome. To be a maintainer: - -* Submit a pull request and sign the CLA as above. -* You must be able to run the test suite on Mac, Windows, Linux and BSD. - -All code changes should be internal pull requests. - -Releases are tagged using [Semantic Versioning](http://semver.org/). +[goon]: https://github.com/arp242/goon +[Vagrant]: https://www.vagrantup.com/ +[integration_test.go]: /integration_test.go diff --git a/vendor/github.com/fsnotify/fsnotify/LICENSE b/vendor/github.com/fsnotify/fsnotify/LICENSE index e180c8f..fb03ade 100644 --- a/vendor/github.com/fsnotify/fsnotify/LICENSE +++ b/vendor/github.com/fsnotify/fsnotify/LICENSE @@ -1,28 +1,25 @@ -Copyright (c) 2012 The Go Authors. All rights reserved. -Copyright (c) 2012-2019 fsnotify Authors. All rights reserved. +Copyright © 2012 The Go Authors. All rights reserved. +Copyright © fsnotify Authors. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright -notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the following disclaimer -in the documentation and/or other materials provided with the -distribution. - * Neither the name of Google Inc. nor the names of its -contributors may be used to endorse or promote products derived from -this software without specific prior written permission. +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright notice, this + list of conditions and the following disclaimer in the documentation and/or + other materials provided with the distribution. +* Neither the name of Google Inc. nor the names of its contributors may be used + to endorse or promote products derived from this software without specific + prior written permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -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. +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +ANY 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. diff --git a/vendor/github.com/fsnotify/fsnotify/README.md b/vendor/github.com/fsnotify/fsnotify/README.md index 0731c5e..d4e6080 100644 --- a/vendor/github.com/fsnotify/fsnotify/README.md +++ b/vendor/github.com/fsnotify/fsnotify/README.md @@ -1,120 +1,161 @@ -# File system notifications for Go +fsnotify is a Go library to provide cross-platform filesystem notifications on +Windows, Linux, macOS, and BSD systems. -[![Go Reference](https://pkg.go.dev/badge/github.com/fsnotify/fsnotify.svg)](https://pkg.go.dev/github.com/fsnotify/fsnotify) [![Go Report Card](https://goreportcard.com/badge/github.com/fsnotify/fsnotify)](https://goreportcard.com/report/github.com/fsnotify/fsnotify) [![Maintainers Wanted](https://img.shields.io/badge/maintainers-wanted-red.svg)](https://github.com/fsnotify/fsnotify/issues/413) +Go 1.16 or newer is required; the full documentation is at +https://pkg.go.dev/github.com/fsnotify/fsnotify -fsnotify utilizes [`golang.org/x/sys`](https://pkg.go.dev/golang.org/x/sys) rather than [`syscall`](https://pkg.go.dev/syscall) from the standard library. +**It's best to read the documentation at pkg.go.dev, as it's pinned to the last +released version, whereas this README is for the last development version which +may include additions/changes.** -Cross platform: Windows, Linux, BSD and macOS. +--- -| Adapter | OS | Status | -| --------------------- | -------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- | -| inotify | Linux 2.6.27 or later, Android\* | Supported | -| kqueue | BSD, macOS, iOS\* | Supported | -| ReadDirectoryChangesW | Windows | Supported | -| FSEvents | macOS | [Planned](https://github.com/fsnotify/fsnotify/issues/11) | -| FEN | Solaris 11 | [In Progress](https://github.com/fsnotify/fsnotify/pull/371) | -| fanotify | Linux 2.6.37+ | [Maybe](https://github.com/fsnotify/fsnotify/issues/114) | -| USN Journals | Windows | [Maybe](https://github.com/fsnotify/fsnotify/issues/53) | -| Polling | *All* | [Maybe](https://github.com/fsnotify/fsnotify/issues/9) | +Platform support: -\* Android and iOS are untested. +| Adapter | OS | Status | +| --------------------- | ---------------| -------------------------------------------------------------| +| inotify | Linux 2.6.32+ | Supported | +| kqueue | BSD, macOS | Supported | +| ReadDirectoryChangesW | Windows | Supported | +| FSEvents | macOS | [Planned](https://github.com/fsnotify/fsnotify/issues/11) | +| FEN | Solaris 11 | [In Progress](https://github.com/fsnotify/fsnotify/pull/371) | +| fanotify | Linux 5.9+ | [Maybe](https://github.com/fsnotify/fsnotify/issues/114) | +| USN Journals | Windows | [Maybe](https://github.com/fsnotify/fsnotify/issues/53) | +| Polling | *All* | [Maybe](https://github.com/fsnotify/fsnotify/issues/9) | -Please see [the documentation](https://pkg.go.dev/github.com/fsnotify/fsnotify) and consult the [FAQ](#faq) for usage information. +Linux and macOS should include Android and iOS, but these are currently untested. -## API stability - -fsnotify is a fork of [howeyc/fsnotify](https://github.com/howeyc/fsnotify) with a new API as of v1.0. The API is based on [this design document](http://goo.gl/MrYxyA). - -All [releases](https://github.com/fsnotify/fsnotify/releases) are tagged based on [Semantic Versioning](http://semver.org/). - -## Usage +Usage +----- +A basic example: ```go package main import ( - "log" + "log" - "github.com/fsnotify/fsnotify" + "github.com/fsnotify/fsnotify" ) func main() { - watcher, err := fsnotify.NewWatcher() - if err != nil { - log.Fatal(err) - } - defer watcher.Close() - - done := make(chan bool) - go func() { - for { - select { - case event, ok := <-watcher.Events: - if !ok { - return - } - log.Println("event:", event) - if event.Op&fsnotify.Write == fsnotify.Write { - log.Println("modified file:", event.Name) - } - case err, ok := <-watcher.Errors: - if !ok { - return - } - log.Println("error:", err) - } - } - }() - - err = watcher.Add("/tmp/foo") - if err != nil { - log.Fatal(err) - } - <-done + // Create new watcher. + watcher, err := fsnotify.NewWatcher() + if err != nil { + log.Fatal(err) + } + defer watcher.Close() + + // Start listening for events. + go func() { + for { + select { + case event, ok := <-watcher.Events: + if !ok { + return + } + log.Println("event:", event) + if event.Has(fsnotify.Write) { + log.Println("modified file:", event.Name) + } + case err, ok := <-watcher.Errors: + if !ok { + return + } + log.Println("error:", err) + } + } + }() + + // Add a path. + err = watcher.Add("/tmp") + if err != nil { + log.Fatal(err) + } + + // Block main goroutine forever. + <-make(chan struct{}) } ``` -## Contributing +Some more examples can be found in [cmd/fsnotify](cmd/fsnotify), which can be +run with: -Please refer to [CONTRIBUTING][] before opening an issue or pull request. + % go run ./cmd/fsnotify -## FAQ +FAQ +--- +### Will a file still be watched when it's moved to another directory? +No, not unless you are watching the location it was moved to. -**When a file is moved to another directory is it still being watched?** +### Are subdirectories watched too? +No, you must add watches for any directory you want to watch (a recursive +watcher is on the roadmap: [#18]). -No (it shouldn't be, unless you are watching where it was moved to). +[#18]: https://github.com/fsnotify/fsnotify/issues/18 -**When I watch a directory, are all subdirectories watched as well?** +### Do I have to watch the Error and Event channels in a goroutine? +As of now, yes (you can read both channels in the same goroutine using `select`, +you don't need a separate goroutine for both channels; see the example). -No, you must add watches for any directory you want to watch (a recursive watcher is on the roadmap [#18][]). +### Why don't notifications work with NFS, SMB, FUSE, /proc, or /sys? +fsnotify requires support from underlying OS to work. The current NFS and SMB +protocols does not provide network level support for file notifications, and +neither do the /proc and /sys virtual filesystems. -**Do I have to watch the Error and Event channels in a separate goroutine?** +This could be fixed with a polling watcher ([#9]), but it's not yet implemented. -As of now, yes. Looking into making this single-thread friendly (see [howeyc #7][#7]) +[#9]: https://github.com/fsnotify/fsnotify/issues/9 -**Why am I receiving multiple events for the same file on OS X?** +Platform-specific notes +----------------------- +### Linux +When a file is removed a REMOVE event won't be emitted until all file +descriptors are closed; it will emit a CHMOD instead: -Spotlight indexing on OS X can result in multiple events (see [howeyc #62][#62]). A temporary workaround is to add your folder(s) to the *Spotlight Privacy settings* until we have a native FSEvents implementation (see [#11][]). + fp := os.Open("file") + os.Remove("file") // CHMOD + fp.Close() // REMOVE -**How many files can be watched at once?** +This is the event that inotify sends, so not much can be changed about this. -There are OS-specific limits as to how many watches can be created: -* Linux: /proc/sys/fs/inotify/max_user_watches contains the limit, reaching this limit results in a "no space left on device" error. -* BSD / OSX: sysctl variables "kern.maxfiles" and "kern.maxfilesperproc", reaching these limits results in a "too many open files" error. +The `fs.inotify.max_user_watches` sysctl variable specifies the upper limit for +the number of watches per user, and `fs.inotify.max_user_instances` specifies +the maximum number of inotify instances per user. Every Watcher you create is an +"instance", and every path you add is a "watch". -**Why don't notifications work with NFS filesystems or filesystem in userspace (FUSE)?** +These are also exposed in `/proc` as `/proc/sys/fs/inotify/max_user_watches` and +`/proc/sys/fs/inotify/max_user_instances` -fsnotify requires support from underlying OS to work. The current NFS protocol does not provide network level support for file notifications. +To increase them you can use `sysctl` or write the value to proc file: -[#62]: https://github.com/howeyc/fsnotify/issues/62 -[#18]: https://github.com/fsnotify/fsnotify/issues/18 -[#11]: https://github.com/fsnotify/fsnotify/issues/11 -[#7]: https://github.com/howeyc/fsnotify/issues/7 + # The default values on Linux 5.18 + sysctl fs.inotify.max_user_watches=124983 + sysctl fs.inotify.max_user_instances=128 + +To make the changes persist on reboot edit `/etc/sysctl.conf` or +`/usr/lib/sysctl.d/50-default.conf` (details differ per Linux distro; check your +distro's documentation): + + fs.inotify.max_user_watches=124983 + fs.inotify.max_user_instances=128 -[contributing]: https://github.com/fsnotify/fsnotify/blob/master/CONTRIBUTING.md +Reaching the limit will result in a "no space left on device" or "too many open +files" error. -## Related Projects +### kqueue (macOS, all BSD systems) +kqueue requires opening a file descriptor for every file that's being watched; +so if you're watching a directory with five files then that's six file +descriptors. You will run in to your system's "max open files" limit faster on +these platforms. -* [notify](https://github.com/rjeczalik/notify) -* [fsevents](https://github.com/fsnotify/fsevents) +The sysctl variables `kern.maxfiles` and `kern.maxfilesperproc` can be used to +control the maximum number of open files. +### macOS +Spotlight indexing on macOS can result in multiple events (see [#15]). A temporary +workaround is to add your folder(s) to the *Spotlight Privacy settings* until we +have a native FSEvents implementation (see [#11]). + +[#11]: https://github.com/fsnotify/fsnotify/issues/11 +[#15]: https://github.com/fsnotify/fsnotify/issues/15 diff --git a/vendor/github.com/fsnotify/fsnotify/backend_fen.go b/vendor/github.com/fsnotify/fsnotify/backend_fen.go new file mode 100644 index 0000000..1a95ad8 --- /dev/null +++ b/vendor/github.com/fsnotify/fsnotify/backend_fen.go @@ -0,0 +1,162 @@ +//go:build solaris +// +build solaris + +package fsnotify + +import ( + "errors" +) + +// Watcher watches a set of paths, delivering events on a channel. +// +// A watcher should not be copied (e.g. pass it by pointer, rather than by +// value). +// +// # Linux notes +// +// When a file is removed a Remove event won't be emitted until all file +// descriptors are closed, and deletes will always emit a Chmod. For example: +// +// fp := os.Open("file") +// os.Remove("file") // Triggers Chmod +// fp.Close() // Triggers Remove +// +// This is the event that inotify sends, so not much can be changed about this. +// +// The fs.inotify.max_user_watches sysctl variable specifies the upper limit +// for the number of watches per user, and fs.inotify.max_user_instances +// specifies the maximum number of inotify instances per user. Every Watcher you +// create is an "instance", and every path you add is a "watch". +// +// These are also exposed in /proc as /proc/sys/fs/inotify/max_user_watches and +// /proc/sys/fs/inotify/max_user_instances +// +// To increase them you can use sysctl or write the value to the /proc file: +// +// # Default values on Linux 5.18 +// sysctl fs.inotify.max_user_watches=124983 +// sysctl fs.inotify.max_user_instances=128 +// +// To make the changes persist on reboot edit /etc/sysctl.conf or +// /usr/lib/sysctl.d/50-default.conf (details differ per Linux distro; check +// your distro's documentation): +// +// fs.inotify.max_user_watches=124983 +// fs.inotify.max_user_instances=128 +// +// Reaching the limit will result in a "no space left on device" or "too many open +// files" error. +// +// # kqueue notes (macOS, BSD) +// +// kqueue requires opening a file descriptor for every file that's being watched; +// so if you're watching a directory with five files then that's six file +// descriptors. You will run in to your system's "max open files" limit faster on +// these platforms. +// +// The sysctl variables kern.maxfiles and kern.maxfilesperproc can be used to +// control the maximum number of open files, as well as /etc/login.conf on BSD +// systems. +// +// # macOS notes +// +// Spotlight indexing on macOS can result in multiple events (see [#15]). A +// temporary workaround is to add your folder(s) to the "Spotlight Privacy +// Settings" until we have a native FSEvents implementation (see [#11]). +// +// [#11]: https://github.com/fsnotify/fsnotify/issues/11 +// [#15]: https://github.com/fsnotify/fsnotify/issues/15 +type Watcher struct { + // Events sends the filesystem change events. + // + // fsnotify can send the following events; a "path" here can refer to a + // file, directory, symbolic link, or special file like a FIFO. + // + // fsnotify.Create A new path was created; this may be followed by one + // or more Write events if data also gets written to a + // file. + // + // fsnotify.Remove A path was removed. + // + // fsnotify.Rename A path was renamed. A rename is always sent with the + // old path as Event.Name, and a Create event will be + // sent with the new name. Renames are only sent for + // paths that are currently watched; e.g. moving an + // unmonitored file into a monitored directory will + // show up as just a Create. Similarly, renaming a file + // to outside a monitored directory will show up as + // only a Rename. + // + // fsnotify.Write A file or named pipe was written to. A Truncate will + // also trigger a Write. A single "write action" + // initiated by the user may show up as one or multiple + // writes, depending on when the system syncs things to + // disk. For example when compiling a large Go program + // you may get hundreds of Write events, so you + // probably want to wait until you've stopped receiving + // them (see the dedup example in cmd/fsnotify). + // + // fsnotify.Chmod Attributes were changed. On Linux this is also sent + // when a file is removed (or more accurately, when a + // link to an inode is removed). On kqueue it's sent + // and on kqueue when a file is truncated. On Windows + // it's never sent. + Events chan Event + + // Errors sends any errors. + Errors chan error +} + +// NewWatcher creates a new Watcher. +func NewWatcher() (*Watcher, error) { + return nil, errors.New("FEN based watcher not yet supported for fsnotify\n") +} + +// Close removes all watches and closes the events channel. +func (w *Watcher) Close() error { + return nil +} + +// Add starts monitoring the path for changes. +// +// A path can only be watched once; attempting to watch it more than once will +// return an error. Paths that do not yet exist on the filesystem cannot be +// added. A watch will be automatically removed if the path is deleted. +// +// A path will remain watched if it gets renamed to somewhere else on the same +// filesystem, but the monitor will get removed if the path gets deleted and +// re-created, or if it's moved to a different filesystem. +// +// Notifications on network filesystems (NFS, SMB, FUSE, etc.) or special +// filesystems (/proc, /sys, etc.) generally don't work. +// +// # Watching directories +// +// All files in a directory are monitored, including new files that are created +// after the watcher is started. Subdirectories are not watched (i.e. it's +// non-recursive). +// +// # Watching files +// +// Watching individual files (rather than directories) is generally not +// recommended as many tools update files atomically. Instead of "just" writing +// to the file a temporary file will be written to first, and if successful the +// temporary file is moved to to destination removing the original, or some +// variant thereof. The watcher on the original file is now lost, as it no +// longer exists. +// +// Instead, watch the parent directory and use Event.Name to filter out files +// you're not interested in. There is an example of this in [cmd/fsnotify/file.go]. +func (w *Watcher) Add(name string) error { + return nil +} + +// Remove stops monitoring the path for changes. +// +// Directories are always removed non-recursively. For example, if you added +// /tmp/dir and /tmp/dir/subdir then you will need to remove both. +// +// Removing a path that has not yet been added returns [ErrNonExistentWatch]. +func (w *Watcher) Remove(name string) error { + return nil +} diff --git a/vendor/github.com/fsnotify/fsnotify/backend_inotify.go b/vendor/github.com/fsnotify/fsnotify/backend_inotify.go new file mode 100644 index 0000000..54c77fb --- /dev/null +++ b/vendor/github.com/fsnotify/fsnotify/backend_inotify.go @@ -0,0 +1,459 @@ +//go:build linux +// +build linux + +package fsnotify + +import ( + "errors" + "fmt" + "io" + "os" + "path/filepath" + "strings" + "sync" + "unsafe" + + "golang.org/x/sys/unix" +) + +// Watcher watches a set of paths, delivering events on a channel. +// +// A watcher should not be copied (e.g. pass it by pointer, rather than by +// value). +// +// # Linux notes +// +// When a file is removed a Remove event won't be emitted until all file +// descriptors are closed, and deletes will always emit a Chmod. For example: +// +// fp := os.Open("file") +// os.Remove("file") // Triggers Chmod +// fp.Close() // Triggers Remove +// +// This is the event that inotify sends, so not much can be changed about this. +// +// The fs.inotify.max_user_watches sysctl variable specifies the upper limit +// for the number of watches per user, and fs.inotify.max_user_instances +// specifies the maximum number of inotify instances per user. Every Watcher you +// create is an "instance", and every path you add is a "watch". +// +// These are also exposed in /proc as /proc/sys/fs/inotify/max_user_watches and +// /proc/sys/fs/inotify/max_user_instances +// +// To increase them you can use sysctl or write the value to the /proc file: +// +// # Default values on Linux 5.18 +// sysctl fs.inotify.max_user_watches=124983 +// sysctl fs.inotify.max_user_instances=128 +// +// To make the changes persist on reboot edit /etc/sysctl.conf or +// /usr/lib/sysctl.d/50-default.conf (details differ per Linux distro; check +// your distro's documentation): +// +// fs.inotify.max_user_watches=124983 +// fs.inotify.max_user_instances=128 +// +// Reaching the limit will result in a "no space left on device" or "too many open +// files" error. +// +// # kqueue notes (macOS, BSD) +// +// kqueue requires opening a file descriptor for every file that's being watched; +// so if you're watching a directory with five files then that's six file +// descriptors. You will run in to your system's "max open files" limit faster on +// these platforms. +// +// The sysctl variables kern.maxfiles and kern.maxfilesperproc can be used to +// control the maximum number of open files, as well as /etc/login.conf on BSD +// systems. +// +// # macOS notes +// +// Spotlight indexing on macOS can result in multiple events (see [#15]). A +// temporary workaround is to add your folder(s) to the "Spotlight Privacy +// Settings" until we have a native FSEvents implementation (see [#11]). +// +// [#11]: https://github.com/fsnotify/fsnotify/issues/11 +// [#15]: https://github.com/fsnotify/fsnotify/issues/15 +type Watcher struct { + // Events sends the filesystem change events. + // + // fsnotify can send the following events; a "path" here can refer to a + // file, directory, symbolic link, or special file like a FIFO. + // + // fsnotify.Create A new path was created; this may be followed by one + // or more Write events if data also gets written to a + // file. + // + // fsnotify.Remove A path was removed. + // + // fsnotify.Rename A path was renamed. A rename is always sent with the + // old path as Event.Name, and a Create event will be + // sent with the new name. Renames are only sent for + // paths that are currently watched; e.g. moving an + // unmonitored file into a monitored directory will + // show up as just a Create. Similarly, renaming a file + // to outside a monitored directory will show up as + // only a Rename. + // + // fsnotify.Write A file or named pipe was written to. A Truncate will + // also trigger a Write. A single "write action" + // initiated by the user may show up as one or multiple + // writes, depending on when the system syncs things to + // disk. For example when compiling a large Go program + // you may get hundreds of Write events, so you + // probably want to wait until you've stopped receiving + // them (see the dedup example in cmd/fsnotify). + // + // fsnotify.Chmod Attributes were changed. On Linux this is also sent + // when a file is removed (or more accurately, when a + // link to an inode is removed). On kqueue it's sent + // and on kqueue when a file is truncated. On Windows + // it's never sent. + Events chan Event + + // Errors sends any errors. + Errors chan error + + // Store fd here as os.File.Read() will no longer return on close after + // calling Fd(). See: https://github.com/golang/go/issues/26439 + fd int + mu sync.Mutex // Map access + inotifyFile *os.File + watches map[string]*watch // Map of inotify watches (key: path) + paths map[int]string // Map of watched paths (key: watch descriptor) + done chan struct{} // Channel for sending a "quit message" to the reader goroutine + doneResp chan struct{} // Channel to respond to Close +} + +// NewWatcher creates a new Watcher. +func NewWatcher() (*Watcher, error) { + // Create inotify fd + // Need to set the FD to nonblocking mode in order for SetDeadline methods to work + // Otherwise, blocking i/o operations won't terminate on close + fd, errno := unix.InotifyInit1(unix.IN_CLOEXEC | unix.IN_NONBLOCK) + if fd == -1 { + return nil, errno + } + + w := &Watcher{ + fd: fd, + inotifyFile: os.NewFile(uintptr(fd), ""), + watches: make(map[string]*watch), + paths: make(map[int]string), + Events: make(chan Event), + Errors: make(chan error), + done: make(chan struct{}), + doneResp: make(chan struct{}), + } + + go w.readEvents() + return w, nil +} + +// Returns true if the event was sent, or false if watcher is closed. +func (w *Watcher) sendEvent(e Event) bool { + select { + case w.Events <- e: + return true + case <-w.done: + } + return false +} + +// Returns true if the error was sent, or false if watcher is closed. +func (w *Watcher) sendError(err error) bool { + select { + case w.Errors <- err: + return true + case <-w.done: + return false + } +} + +func (w *Watcher) isClosed() bool { + select { + case <-w.done: + return true + default: + return false + } +} + +// Close removes all watches and closes the events channel. +func (w *Watcher) Close() error { + w.mu.Lock() + if w.isClosed() { + w.mu.Unlock() + return nil + } + + // Send 'close' signal to goroutine, and set the Watcher to closed. + close(w.done) + w.mu.Unlock() + + // Causes any blocking reads to return with an error, provided the file + // still supports deadline operations. + err := w.inotifyFile.Close() + if err != nil { + return err + } + + // Wait for goroutine to close + <-w.doneResp + + return nil +} + +// Add starts monitoring the path for changes. +// +// A path can only be watched once; attempting to watch it more than once will +// return an error. Paths that do not yet exist on the filesystem cannot be +// added. A watch will be automatically removed if the path is deleted. +// +// A path will remain watched if it gets renamed to somewhere else on the same +// filesystem, but the monitor will get removed if the path gets deleted and +// re-created, or if it's moved to a different filesystem. +// +// Notifications on network filesystems (NFS, SMB, FUSE, etc.) or special +// filesystems (/proc, /sys, etc.) generally don't work. +// +// # Watching directories +// +// All files in a directory are monitored, including new files that are created +// after the watcher is started. Subdirectories are not watched (i.e. it's +// non-recursive). +// +// # Watching files +// +// Watching individual files (rather than directories) is generally not +// recommended as many tools update files atomically. Instead of "just" writing +// to the file a temporary file will be written to first, and if successful the +// temporary file is moved to to destination removing the original, or some +// variant thereof. The watcher on the original file is now lost, as it no +// longer exists. +// +// Instead, watch the parent directory and use Event.Name to filter out files +// you're not interested in. There is an example of this in [cmd/fsnotify/file.go]. +func (w *Watcher) Add(name string) error { + name = filepath.Clean(name) + if w.isClosed() { + return errors.New("inotify instance already closed") + } + + var flags uint32 = unix.IN_MOVED_TO | unix.IN_MOVED_FROM | + unix.IN_CREATE | unix.IN_ATTRIB | unix.IN_MODIFY | + unix.IN_MOVE_SELF | unix.IN_DELETE | unix.IN_DELETE_SELF + + w.mu.Lock() + defer w.mu.Unlock() + watchEntry := w.watches[name] + if watchEntry != nil { + flags |= watchEntry.flags | unix.IN_MASK_ADD + } + wd, errno := unix.InotifyAddWatch(w.fd, name, flags) + if wd == -1 { + return errno + } + + if watchEntry == nil { + w.watches[name] = &watch{wd: uint32(wd), flags: flags} + w.paths[wd] = name + } else { + watchEntry.wd = uint32(wd) + watchEntry.flags = flags + } + + return nil +} + +// Remove stops monitoring the path for changes. +// +// Directories are always removed non-recursively. For example, if you added +// /tmp/dir and /tmp/dir/subdir then you will need to remove both. +// +// Removing a path that has not yet been added returns [ErrNonExistentWatch]. +func (w *Watcher) Remove(name string) error { + name = filepath.Clean(name) + + // Fetch the watch. + w.mu.Lock() + defer w.mu.Unlock() + watch, ok := w.watches[name] + + // Remove it from inotify. + if !ok { + return fmt.Errorf("%w: %s", ErrNonExistentWatch, name) + } + + // We successfully removed the watch if InotifyRmWatch doesn't return an + // error, we need to clean up our internal state to ensure it matches + // inotify's kernel state. + delete(w.paths, int(watch.wd)) + delete(w.watches, name) + + // inotify_rm_watch will return EINVAL if the file has been deleted; + // the inotify will already have been removed. + // watches and pathes are deleted in ignoreLinux() implicitly and asynchronously + // by calling inotify_rm_watch() below. e.g. readEvents() goroutine receives IN_IGNORE + // so that EINVAL means that the wd is being rm_watch()ed or its file removed + // by another thread and we have not received IN_IGNORE event. + success, errno := unix.InotifyRmWatch(w.fd, watch.wd) + if success == -1 { + // TODO: Perhaps it's not helpful to return an error here in every case; + // The only two possible errors are: + // + // - EBADF, which happens when w.fd is not a valid file descriptor + // of any kind. + // - EINVAL, which is when fd is not an inotify descriptor or wd + // is not a valid watch descriptor. Watch descriptors are + // invalidated when they are removed explicitly or implicitly; + // explicitly by inotify_rm_watch, implicitly when the file they + // are watching is deleted. + return errno + } + + return nil +} + +// WatchList returns all paths added with [Add] (and are not yet removed). +func (w *Watcher) WatchList() []string { + w.mu.Lock() + defer w.mu.Unlock() + + entries := make([]string, 0, len(w.watches)) + for pathname := range w.watches { + entries = append(entries, pathname) + } + + return entries +} + +type watch struct { + wd uint32 // Watch descriptor (as returned by the inotify_add_watch() syscall) + flags uint32 // inotify flags of this watch (see inotify(7) for the list of valid flags) +} + +// readEvents reads from the inotify file descriptor, converts the +// received events into Event objects and sends them via the Events channel +func (w *Watcher) readEvents() { + defer func() { + close(w.doneResp) + close(w.Errors) + close(w.Events) + }() + + var ( + buf [unix.SizeofInotifyEvent * 4096]byte // Buffer for a maximum of 4096 raw events + errno error // Syscall errno + ) + for { + // See if we have been closed. + if w.isClosed() { + return + } + + n, err := w.inotifyFile.Read(buf[:]) + switch { + case errors.Unwrap(err) == os.ErrClosed: + return + case err != nil: + if !w.sendError(err) { + return + } + continue + } + + if n < unix.SizeofInotifyEvent { + var err error + if n == 0 { + // If EOF is received. This should really never happen. + err = io.EOF + } else if n < 0 { + // If an error occurred while reading. + err = errno + } else { + // Read was too short. + err = errors.New("notify: short read in readEvents()") + } + if !w.sendError(err) { + return + } + continue + } + + var offset uint32 + // We don't know how many events we just read into the buffer + // While the offset points to at least one whole event... + for offset <= uint32(n-unix.SizeofInotifyEvent) { + var ( + // Point "raw" to the event in the buffer + raw = (*unix.InotifyEvent)(unsafe.Pointer(&buf[offset])) + mask = uint32(raw.Mask) + nameLen = uint32(raw.Len) + ) + + if mask&unix.IN_Q_OVERFLOW != 0 { + if !w.sendError(ErrEventOverflow) { + return + } + } + + // If the event happened to the watched directory or the watched file, the kernel + // doesn't append the filename to the event, but we would like to always fill the + // the "Name" field with a valid filename. We retrieve the path of the watch from + // the "paths" map. + w.mu.Lock() + name, ok := w.paths[int(raw.Wd)] + // IN_DELETE_SELF occurs when the file/directory being watched is removed. + // This is a sign to clean up the maps, otherwise we are no longer in sync + // with the inotify kernel state which has already deleted the watch + // automatically. + if ok && mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF { + delete(w.paths, int(raw.Wd)) + delete(w.watches, name) + } + w.mu.Unlock() + + if nameLen > 0 { + // Point "bytes" at the first byte of the filename + bytes := (*[unix.PathMax]byte)(unsafe.Pointer(&buf[offset+unix.SizeofInotifyEvent]))[:nameLen:nameLen] + // The filename is padded with NULL bytes. TrimRight() gets rid of those. + name += "/" + strings.TrimRight(string(bytes[0:nameLen]), "\000") + } + + event := w.newEvent(name, mask) + + // Send the events that are not ignored on the events channel + if mask&unix.IN_IGNORED == 0 { + if !w.sendEvent(event) { + return + } + } + + // Move to the next event in the buffer + offset += unix.SizeofInotifyEvent + nameLen + } + } +} + +// newEvent returns an platform-independent Event based on an inotify mask. +func (w *Watcher) newEvent(name string, mask uint32) Event { + e := Event{Name: name} + if mask&unix.IN_CREATE == unix.IN_CREATE || mask&unix.IN_MOVED_TO == unix.IN_MOVED_TO { + e.Op |= Create + } + if mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF || mask&unix.IN_DELETE == unix.IN_DELETE { + e.Op |= Remove + } + if mask&unix.IN_MODIFY == unix.IN_MODIFY { + e.Op |= Write + } + if mask&unix.IN_MOVE_SELF == unix.IN_MOVE_SELF || mask&unix.IN_MOVED_FROM == unix.IN_MOVED_FROM { + e.Op |= Rename + } + if mask&unix.IN_ATTRIB == unix.IN_ATTRIB { + e.Op |= Chmod + } + return e +} diff --git a/vendor/github.com/fsnotify/fsnotify/backend_kqueue.go b/vendor/github.com/fsnotify/fsnotify/backend_kqueue.go new file mode 100644 index 0000000..2908746 --- /dev/null +++ b/vendor/github.com/fsnotify/fsnotify/backend_kqueue.go @@ -0,0 +1,707 @@ +//go:build freebsd || openbsd || netbsd || dragonfly || darwin +// +build freebsd openbsd netbsd dragonfly darwin + +package fsnotify + +import ( + "errors" + "fmt" + "io/ioutil" + "os" + "path/filepath" + "sync" + + "golang.org/x/sys/unix" +) + +// Watcher watches a set of paths, delivering events on a channel. +// +// A watcher should not be copied (e.g. pass it by pointer, rather than by +// value). +// +// # Linux notes +// +// When a file is removed a Remove event won't be emitted until all file +// descriptors are closed, and deletes will always emit a Chmod. For example: +// +// fp := os.Open("file") +// os.Remove("file") // Triggers Chmod +// fp.Close() // Triggers Remove +// +// This is the event that inotify sends, so not much can be changed about this. +// +// The fs.inotify.max_user_watches sysctl variable specifies the upper limit +// for the number of watches per user, and fs.inotify.max_user_instances +// specifies the maximum number of inotify instances per user. Every Watcher you +// create is an "instance", and every path you add is a "watch". +// +// These are also exposed in /proc as /proc/sys/fs/inotify/max_user_watches and +// /proc/sys/fs/inotify/max_user_instances +// +// To increase them you can use sysctl or write the value to the /proc file: +// +// # Default values on Linux 5.18 +// sysctl fs.inotify.max_user_watches=124983 +// sysctl fs.inotify.max_user_instances=128 +// +// To make the changes persist on reboot edit /etc/sysctl.conf or +// /usr/lib/sysctl.d/50-default.conf (details differ per Linux distro; check +// your distro's documentation): +// +// fs.inotify.max_user_watches=124983 +// fs.inotify.max_user_instances=128 +// +// Reaching the limit will result in a "no space left on device" or "too many open +// files" error. +// +// # kqueue notes (macOS, BSD) +// +// kqueue requires opening a file descriptor for every file that's being watched; +// so if you're watching a directory with five files then that's six file +// descriptors. You will run in to your system's "max open files" limit faster on +// these platforms. +// +// The sysctl variables kern.maxfiles and kern.maxfilesperproc can be used to +// control the maximum number of open files, as well as /etc/login.conf on BSD +// systems. +// +// # macOS notes +// +// Spotlight indexing on macOS can result in multiple events (see [#15]). A +// temporary workaround is to add your folder(s) to the "Spotlight Privacy +// Settings" until we have a native FSEvents implementation (see [#11]). +// +// [#11]: https://github.com/fsnotify/fsnotify/issues/11 +// [#15]: https://github.com/fsnotify/fsnotify/issues/15 +type Watcher struct { + // Events sends the filesystem change events. + // + // fsnotify can send the following events; a "path" here can refer to a + // file, directory, symbolic link, or special file like a FIFO. + // + // fsnotify.Create A new path was created; this may be followed by one + // or more Write events if data also gets written to a + // file. + // + // fsnotify.Remove A path was removed. + // + // fsnotify.Rename A path was renamed. A rename is always sent with the + // old path as Event.Name, and a Create event will be + // sent with the new name. Renames are only sent for + // paths that are currently watched; e.g. moving an + // unmonitored file into a monitored directory will + // show up as just a Create. Similarly, renaming a file + // to outside a monitored directory will show up as + // only a Rename. + // + // fsnotify.Write A file or named pipe was written to. A Truncate will + // also trigger a Write. A single "write action" + // initiated by the user may show up as one or multiple + // writes, depending on when the system syncs things to + // disk. For example when compiling a large Go program + // you may get hundreds of Write events, so you + // probably want to wait until you've stopped receiving + // them (see the dedup example in cmd/fsnotify). + // + // fsnotify.Chmod Attributes were changed. On Linux this is also sent + // when a file is removed (or more accurately, when a + // link to an inode is removed). On kqueue it's sent + // and on kqueue when a file is truncated. On Windows + // it's never sent. + Events chan Event + + // Errors sends any errors. + Errors chan error + + done chan struct{} + kq int // File descriptor (as returned by the kqueue() syscall). + closepipe [2]int // Pipe used for closing. + mu sync.Mutex // Protects access to watcher data + watches map[string]int // Watched file descriptors (key: path). + watchesByDir map[string]map[int]struct{} // Watched file descriptors indexed by the parent directory (key: dirname(path)). + userWatches map[string]struct{} // Watches added with Watcher.Add() + dirFlags map[string]uint32 // Watched directories to fflags used in kqueue. + paths map[int]pathInfo // File descriptors to path names for processing kqueue events. + fileExists map[string]struct{} // Keep track of if we know this file exists (to stop duplicate create events). + isClosed bool // Set to true when Close() is first called +} + +type pathInfo struct { + name string + isDir bool +} + +// NewWatcher creates a new Watcher. +func NewWatcher() (*Watcher, error) { + kq, closepipe, err := newKqueue() + if err != nil { + return nil, err + } + + w := &Watcher{ + kq: kq, + closepipe: closepipe, + watches: make(map[string]int), + watchesByDir: make(map[string]map[int]struct{}), + dirFlags: make(map[string]uint32), + paths: make(map[int]pathInfo), + fileExists: make(map[string]struct{}), + userWatches: make(map[string]struct{}), + Events: make(chan Event), + Errors: make(chan error), + done: make(chan struct{}), + } + + go w.readEvents() + return w, nil +} + +// newKqueue creates a new kernel event queue and returns a descriptor. +// +// This registers a new event on closepipe, which will trigger an event when +// it's closed. This way we can use kevent() without timeout/polling; without +// the closepipe, it would block forever and we wouldn't be able to stop it at +// all. +func newKqueue() (kq int, closepipe [2]int, err error) { + kq, err = unix.Kqueue() + if kq == -1 { + return kq, closepipe, err + } + + // Register the close pipe. + err = unix.Pipe(closepipe[:]) + if err != nil { + unix.Close(kq) + return kq, closepipe, err + } + + // Register changes to listen on the closepipe. + changes := make([]unix.Kevent_t, 1) + // SetKevent converts int to the platform-specific types. + unix.SetKevent(&changes[0], closepipe[0], unix.EVFILT_READ, + unix.EV_ADD|unix.EV_ENABLE|unix.EV_ONESHOT) + + ok, err := unix.Kevent(kq, changes, nil, nil) + if ok == -1 { + unix.Close(kq) + unix.Close(closepipe[0]) + unix.Close(closepipe[1]) + return kq, closepipe, err + } + return kq, closepipe, nil +} + +// Returns true if the event was sent, or false if watcher is closed. +func (w *Watcher) sendEvent(e Event) bool { + select { + case w.Events <- e: + return true + case <-w.done: + } + return false +} + +// Returns true if the error was sent, or false if watcher is closed. +func (w *Watcher) sendError(err error) bool { + select { + case w.Errors <- err: + return true + case <-w.done: + } + return false +} + +// Close removes all watches and closes the events channel. +func (w *Watcher) Close() error { + w.mu.Lock() + if w.isClosed { + w.mu.Unlock() + return nil + } + w.isClosed = true + + // copy paths to remove while locked + pathsToRemove := make([]string, 0, len(w.watches)) + for name := range w.watches { + pathsToRemove = append(pathsToRemove, name) + } + w.mu.Unlock() // Unlock before calling Remove, which also locks + for _, name := range pathsToRemove { + w.Remove(name) + } + + // Send "quit" message to the reader goroutine. + unix.Close(w.closepipe[1]) + close(w.done) + + return nil +} + +// Add starts monitoring the path for changes. +// +// A path can only be watched once; attempting to watch it more than once will +// return an error. Paths that do not yet exist on the filesystem cannot be +// added. A watch will be automatically removed if the path is deleted. +// +// A path will remain watched if it gets renamed to somewhere else on the same +// filesystem, but the monitor will get removed if the path gets deleted and +// re-created, or if it's moved to a different filesystem. +// +// Notifications on network filesystems (NFS, SMB, FUSE, etc.) or special +// filesystems (/proc, /sys, etc.) generally don't work. +// +// # Watching directories +// +// All files in a directory are monitored, including new files that are created +// after the watcher is started. Subdirectories are not watched (i.e. it's +// non-recursive). +// +// # Watching files +// +// Watching individual files (rather than directories) is generally not +// recommended as many tools update files atomically. Instead of "just" writing +// to the file a temporary file will be written to first, and if successful the +// temporary file is moved to to destination removing the original, or some +// variant thereof. The watcher on the original file is now lost, as it no +// longer exists. +// +// Instead, watch the parent directory and use Event.Name to filter out files +// you're not interested in. There is an example of this in [cmd/fsnotify/file.go]. +func (w *Watcher) Add(name string) error { + w.mu.Lock() + w.userWatches[name] = struct{}{} + w.mu.Unlock() + _, err := w.addWatch(name, noteAllEvents) + return err +} + +// Remove stops monitoring the path for changes. +// +// Directories are always removed non-recursively. For example, if you added +// /tmp/dir and /tmp/dir/subdir then you will need to remove both. +// +// Removing a path that has not yet been added returns [ErrNonExistentWatch]. +func (w *Watcher) Remove(name string) error { + name = filepath.Clean(name) + w.mu.Lock() + watchfd, ok := w.watches[name] + w.mu.Unlock() + if !ok { + return fmt.Errorf("%w: %s", ErrNonExistentWatch, name) + } + + err := w.register([]int{watchfd}, unix.EV_DELETE, 0) + if err != nil { + return err + } + + unix.Close(watchfd) + + w.mu.Lock() + isDir := w.paths[watchfd].isDir + delete(w.watches, name) + delete(w.userWatches, name) + + parentName := filepath.Dir(name) + delete(w.watchesByDir[parentName], watchfd) + + if len(w.watchesByDir[parentName]) == 0 { + delete(w.watchesByDir, parentName) + } + + delete(w.paths, watchfd) + delete(w.dirFlags, name) + delete(w.fileExists, name) + w.mu.Unlock() + + // Find all watched paths that are in this directory that are not external. + if isDir { + var pathsToRemove []string + w.mu.Lock() + for fd := range w.watchesByDir[name] { + path := w.paths[fd] + if _, ok := w.userWatches[path.name]; !ok { + pathsToRemove = append(pathsToRemove, path.name) + } + } + w.mu.Unlock() + for _, name := range pathsToRemove { + // Since these are internal, not much sense in propagating error + // to the user, as that will just confuse them with an error about + // a path they did not explicitly watch themselves. + w.Remove(name) + } + } + + return nil +} + +// WatchList returns all paths added with [Add] (and are not yet removed). +func (w *Watcher) WatchList() []string { + w.mu.Lock() + defer w.mu.Unlock() + + entries := make([]string, 0, len(w.userWatches)) + for pathname := range w.userWatches { + entries = append(entries, pathname) + } + + return entries +} + +// Watch all events (except NOTE_EXTEND, NOTE_LINK, NOTE_REVOKE) +const noteAllEvents = unix.NOTE_DELETE | unix.NOTE_WRITE | unix.NOTE_ATTRIB | unix.NOTE_RENAME + +// addWatch adds name to the watched file set. +// The flags are interpreted as described in kevent(2). +// Returns the real path to the file which was added, if any, which may be different from the one passed in the case of symlinks. +func (w *Watcher) addWatch(name string, flags uint32) (string, error) { + var isDir bool + // Make ./name and name equivalent + name = filepath.Clean(name) + + w.mu.Lock() + if w.isClosed { + w.mu.Unlock() + return "", errors.New("kevent instance already closed") + } + watchfd, alreadyWatching := w.watches[name] + // We already have a watch, but we can still override flags. + if alreadyWatching { + isDir = w.paths[watchfd].isDir + } + w.mu.Unlock() + + if !alreadyWatching { + fi, err := os.Lstat(name) + if err != nil { + return "", err + } + + // Don't watch sockets or named pipes + if (fi.Mode()&os.ModeSocket == os.ModeSocket) || (fi.Mode()&os.ModeNamedPipe == os.ModeNamedPipe) { + return "", nil + } + + // Follow Symlinks + // + // Linux can add unresolvable symlinks to the watch list without issue, + // and Windows can't do symlinks period. To maintain consistency, we + // will act like everything is fine if the link can't be resolved. + // There will simply be no file events for broken symlinks. Hence the + // returns of nil on errors. + if fi.Mode()&os.ModeSymlink == os.ModeSymlink { + name, err = filepath.EvalSymlinks(name) + if err != nil { + return "", nil + } + + w.mu.Lock() + _, alreadyWatching = w.watches[name] + w.mu.Unlock() + + if alreadyWatching { + return name, nil + } + + fi, err = os.Lstat(name) + if err != nil { + return "", nil + } + } + + // Retry on EINTR; open() can return EINTR in practice on macOS. + // See #354, and go issues 11180 and 39237. + for { + watchfd, err = unix.Open(name, openMode, 0) + if err == nil { + break + } + if errors.Is(err, unix.EINTR) { + continue + } + + return "", err + } + + isDir = fi.IsDir() + } + + err := w.register([]int{watchfd}, unix.EV_ADD|unix.EV_CLEAR|unix.EV_ENABLE, flags) + if err != nil { + unix.Close(watchfd) + return "", err + } + + if !alreadyWatching { + w.mu.Lock() + parentName := filepath.Dir(name) + w.watches[name] = watchfd + + watchesByDir, ok := w.watchesByDir[parentName] + if !ok { + watchesByDir = make(map[int]struct{}, 1) + w.watchesByDir[parentName] = watchesByDir + } + watchesByDir[watchfd] = struct{}{} + + w.paths[watchfd] = pathInfo{name: name, isDir: isDir} + w.mu.Unlock() + } + + if isDir { + // Watch the directory if it has not been watched before, + // or if it was watched before, but perhaps only a NOTE_DELETE (watchDirectoryFiles) + w.mu.Lock() + + watchDir := (flags&unix.NOTE_WRITE) == unix.NOTE_WRITE && + (!alreadyWatching || (w.dirFlags[name]&unix.NOTE_WRITE) != unix.NOTE_WRITE) + // Store flags so this watch can be updated later + w.dirFlags[name] = flags + w.mu.Unlock() + + if watchDir { + if err := w.watchDirectoryFiles(name); err != nil { + return "", err + } + } + } + return name, nil +} + +// readEvents reads from kqueue and converts the received kevents into +// Event values that it sends down the Events channel. +func (w *Watcher) readEvents() { + defer func() { + err := unix.Close(w.kq) + if err != nil { + w.Errors <- err + } + unix.Close(w.closepipe[0]) + close(w.Events) + close(w.Errors) + }() + + eventBuffer := make([]unix.Kevent_t, 10) + for closed := false; !closed; { + kevents, err := w.read(eventBuffer) + // EINTR is okay, the syscall was interrupted before timeout expired. + if err != nil && err != unix.EINTR { + if !w.sendError(fmt.Errorf("fsnotify.readEvents: %w", err)) { + closed = true + } + continue + } + + // Flush the events we received to the Events channel + for _, kevent := range kevents { + var ( + watchfd = int(kevent.Ident) + mask = uint32(kevent.Fflags) + ) + + // Shut down the loop when the pipe is closed, but only after all + // other events have been processed. + if watchfd == w.closepipe[0] { + closed = true + continue + } + + w.mu.Lock() + path := w.paths[watchfd] + w.mu.Unlock() + + event := w.newEvent(path.name, mask) + + if path.isDir && !event.Has(Remove) { + // Double check to make sure the directory exists. This can + // happen when we do a rm -fr on a recursively watched folders + // and we receive a modification event first but the folder has + // been deleted and later receive the delete event. + if _, err := os.Lstat(event.Name); os.IsNotExist(err) { + event.Op |= Remove + } + } + + if event.Has(Rename) || event.Has(Remove) { + w.Remove(event.Name) + w.mu.Lock() + delete(w.fileExists, event.Name) + w.mu.Unlock() + } + + if path.isDir && event.Has(Write) && !event.Has(Remove) { + w.sendDirectoryChangeEvents(event.Name) + } else { + if !w.sendEvent(event) { + closed = true + continue + } + } + + if event.Has(Remove) { + // Look for a file that may have overwritten this. + // For example, mv f1 f2 will delete f2, then create f2. + if path.isDir { + fileDir := filepath.Clean(event.Name) + w.mu.Lock() + _, found := w.watches[fileDir] + w.mu.Unlock() + if found { + // make sure the directory exists before we watch for changes. When we + // do a recursive watch and perform rm -fr, the parent directory might + // have gone missing, ignore the missing directory and let the + // upcoming delete event remove the watch from the parent directory. + if _, err := os.Lstat(fileDir); err == nil { + w.sendDirectoryChangeEvents(fileDir) + } + } + } else { + filePath := filepath.Clean(event.Name) + if fileInfo, err := os.Lstat(filePath); err == nil { + w.sendFileCreatedEventIfNew(filePath, fileInfo) + } + } + } + } + } +} + +// newEvent returns an platform-independent Event based on kqueue Fflags. +func (w *Watcher) newEvent(name string, mask uint32) Event { + e := Event{Name: name} + if mask&unix.NOTE_DELETE == unix.NOTE_DELETE { + e.Op |= Remove + } + if mask&unix.NOTE_WRITE == unix.NOTE_WRITE { + e.Op |= Write + } + if mask&unix.NOTE_RENAME == unix.NOTE_RENAME { + e.Op |= Rename + } + if mask&unix.NOTE_ATTRIB == unix.NOTE_ATTRIB { + e.Op |= Chmod + } + return e +} + +// watchDirectoryFiles to mimic inotify when adding a watch on a directory +func (w *Watcher) watchDirectoryFiles(dirPath string) error { + // Get all files + files, err := ioutil.ReadDir(dirPath) + if err != nil { + return err + } + + for _, fileInfo := range files { + path := filepath.Join(dirPath, fileInfo.Name()) + + cleanPath, err := w.internalWatch(path, fileInfo) + if err != nil { + // No permission to read the file; that's not a problem: just skip. + // But do add it to w.fileExists to prevent it from being picked up + // as a "new" file later (it still shows up in the directory + // listing). + switch { + case errors.Is(err, unix.EACCES) || errors.Is(err, unix.EPERM): + cleanPath = filepath.Clean(path) + default: + return fmt.Errorf("%q: %w", filepath.Join(dirPath, fileInfo.Name()), err) + } + } + + w.mu.Lock() + w.fileExists[cleanPath] = struct{}{} + w.mu.Unlock() + } + + return nil +} + +// Search the directory for new files and send an event for them. +// +// This functionality is to have the BSD watcher match the inotify, which sends +// a create event for files created in a watched directory. +func (w *Watcher) sendDirectoryChangeEvents(dir string) { + // Get all files + files, err := ioutil.ReadDir(dir) + if err != nil { + if !w.sendError(fmt.Errorf("fsnotify.sendDirectoryChangeEvents: %w", err)) { + return + } + } + + // Search for new files + for _, fi := range files { + err := w.sendFileCreatedEventIfNew(filepath.Join(dir, fi.Name()), fi) + if err != nil { + return + } + } +} + +// sendFileCreatedEvent sends a create event if the file isn't already being tracked. +func (w *Watcher) sendFileCreatedEventIfNew(filePath string, fileInfo os.FileInfo) (err error) { + w.mu.Lock() + _, doesExist := w.fileExists[filePath] + w.mu.Unlock() + if !doesExist { + if !w.sendEvent(Event{Name: filePath, Op: Create}) { + return + } + } + + // like watchDirectoryFiles (but without doing another ReadDir) + filePath, err = w.internalWatch(filePath, fileInfo) + if err != nil { + return err + } + + w.mu.Lock() + w.fileExists[filePath] = struct{}{} + w.mu.Unlock() + + return nil +} + +func (w *Watcher) internalWatch(name string, fileInfo os.FileInfo) (string, error) { + if fileInfo.IsDir() { + // mimic Linux providing delete events for subdirectories + // but preserve the flags used if currently watching subdirectory + w.mu.Lock() + flags := w.dirFlags[name] + w.mu.Unlock() + + flags |= unix.NOTE_DELETE | unix.NOTE_RENAME + return w.addWatch(name, flags) + } + + // watch file to mimic Linux inotify + return w.addWatch(name, noteAllEvents) +} + +// Register events with the queue. +func (w *Watcher) register(fds []int, flags int, fflags uint32) error { + changes := make([]unix.Kevent_t, len(fds)) + for i, fd := range fds { + // SetKevent converts int to the platform-specific types. + unix.SetKevent(&changes[i], fd, unix.EVFILT_VNODE, flags) + changes[i].Fflags = fflags + } + + // Register the events. + success, err := unix.Kevent(w.kq, changes, nil, nil) + if success == -1 { + return err + } + return nil +} + +// read retrieves pending events, or waits until an event occurs. +func (w *Watcher) read(events []unix.Kevent_t) ([]unix.Kevent_t, error) { + n, err := unix.Kevent(w.kq, nil, events, nil) + if err != nil { + return nil, err + } + return events[0:n], nil +} diff --git a/vendor/github.com/fsnotify/fsnotify/backend_other.go b/vendor/github.com/fsnotify/fsnotify/backend_other.go new file mode 100644 index 0000000..a9bb1c3 --- /dev/null +++ b/vendor/github.com/fsnotify/fsnotify/backend_other.go @@ -0,0 +1,66 @@ +//go:build !darwin && !dragonfly && !freebsd && !openbsd && !linux && !netbsd && !solaris && !windows +// +build !darwin,!dragonfly,!freebsd,!openbsd,!linux,!netbsd,!solaris,!windows + +package fsnotify + +import ( + "fmt" + "runtime" +) + +// Watcher watches a set of files, delivering events to a channel. +type Watcher struct{} + +// NewWatcher creates a new Watcher. +func NewWatcher() (*Watcher, error) { + return nil, fmt.Errorf("fsnotify not supported on %s", runtime.GOOS) +} + +// Close removes all watches and closes the events channel. +func (w *Watcher) Close() error { + return nil +} + +// Add starts monitoring the path for changes. +// +// A path can only be watched once; attempting to watch it more than once will +// return an error. Paths that do not yet exist on the filesystem cannot be +// added. A watch will be automatically removed if the path is deleted. +// +// A path will remain watched if it gets renamed to somewhere else on the same +// filesystem, but the monitor will get removed if the path gets deleted and +// re-created, or if it's moved to a different filesystem. +// +// Notifications on network filesystems (NFS, SMB, FUSE, etc.) or special +// filesystems (/proc, /sys, etc.) generally don't work. +// +// # Watching directories +// +// All files in a directory are monitored, including new files that are created +// after the watcher is started. Subdirectories are not watched (i.e. it's +// non-recursive). +// +// # Watching files +// +// Watching individual files (rather than directories) is generally not +// recommended as many tools update files atomically. Instead of "just" writing +// to the file a temporary file will be written to first, and if successful the +// temporary file is moved to to destination removing the original, or some +// variant thereof. The watcher on the original file is now lost, as it no +// longer exists. +// +// Instead, watch the parent directory and use Event.Name to filter out files +// you're not interested in. There is an example of this in [cmd/fsnotify/file.go]. +func (w *Watcher) Add(name string) error { + return nil +} + +// Remove stops monitoring the path for changes. +// +// Directories are always removed non-recursively. For example, if you added +// /tmp/dir and /tmp/dir/subdir then you will need to remove both. +// +// Removing a path that has not yet been added returns [ErrNonExistentWatch]. +func (w *Watcher) Remove(name string) error { + return nil +} diff --git a/vendor/github.com/fsnotify/fsnotify/backend_windows.go b/vendor/github.com/fsnotify/fsnotify/backend_windows.go new file mode 100644 index 0000000..ae39286 --- /dev/null +++ b/vendor/github.com/fsnotify/fsnotify/backend_windows.go @@ -0,0 +1,746 @@ +//go:build windows +// +build windows + +package fsnotify + +import ( + "errors" + "fmt" + "os" + "path/filepath" + "reflect" + "runtime" + "strings" + "sync" + "unsafe" + + "golang.org/x/sys/windows" +) + +// Watcher watches a set of paths, delivering events on a channel. +// +// A watcher should not be copied (e.g. pass it by pointer, rather than by +// value). +// +// # Linux notes +// +// When a file is removed a Remove event won't be emitted until all file +// descriptors are closed, and deletes will always emit a Chmod. For example: +// +// fp := os.Open("file") +// os.Remove("file") // Triggers Chmod +// fp.Close() // Triggers Remove +// +// This is the event that inotify sends, so not much can be changed about this. +// +// The fs.inotify.max_user_watches sysctl variable specifies the upper limit +// for the number of watches per user, and fs.inotify.max_user_instances +// specifies the maximum number of inotify instances per user. Every Watcher you +// create is an "instance", and every path you add is a "watch". +// +// These are also exposed in /proc as /proc/sys/fs/inotify/max_user_watches and +// /proc/sys/fs/inotify/max_user_instances +// +// To increase them you can use sysctl or write the value to the /proc file: +// +// # Default values on Linux 5.18 +// sysctl fs.inotify.max_user_watches=124983 +// sysctl fs.inotify.max_user_instances=128 +// +// To make the changes persist on reboot edit /etc/sysctl.conf or +// /usr/lib/sysctl.d/50-default.conf (details differ per Linux distro; check +// your distro's documentation): +// +// fs.inotify.max_user_watches=124983 +// fs.inotify.max_user_instances=128 +// +// Reaching the limit will result in a "no space left on device" or "too many open +// files" error. +// +// # kqueue notes (macOS, BSD) +// +// kqueue requires opening a file descriptor for every file that's being watched; +// so if you're watching a directory with five files then that's six file +// descriptors. You will run in to your system's "max open files" limit faster on +// these platforms. +// +// The sysctl variables kern.maxfiles and kern.maxfilesperproc can be used to +// control the maximum number of open files, as well as /etc/login.conf on BSD +// systems. +// +// # macOS notes +// +// Spotlight indexing on macOS can result in multiple events (see [#15]). A +// temporary workaround is to add your folder(s) to the "Spotlight Privacy +// Settings" until we have a native FSEvents implementation (see [#11]). +// +// [#11]: https://github.com/fsnotify/fsnotify/issues/11 +// [#15]: https://github.com/fsnotify/fsnotify/issues/15 +type Watcher struct { + // Events sends the filesystem change events. + // + // fsnotify can send the following events; a "path" here can refer to a + // file, directory, symbolic link, or special file like a FIFO. + // + // fsnotify.Create A new path was created; this may be followed by one + // or more Write events if data also gets written to a + // file. + // + // fsnotify.Remove A path was removed. + // + // fsnotify.Rename A path was renamed. A rename is always sent with the + // old path as Event.Name, and a Create event will be + // sent with the new name. Renames are only sent for + // paths that are currently watched; e.g. moving an + // unmonitored file into a monitored directory will + // show up as just a Create. Similarly, renaming a file + // to outside a monitored directory will show up as + // only a Rename. + // + // fsnotify.Write A file or named pipe was written to. A Truncate will + // also trigger a Write. A single "write action" + // initiated by the user may show up as one or multiple + // writes, depending on when the system syncs things to + // disk. For example when compiling a large Go program + // you may get hundreds of Write events, so you + // probably want to wait until you've stopped receiving + // them (see the dedup example in cmd/fsnotify). + // + // fsnotify.Chmod Attributes were changed. On Linux this is also sent + // when a file is removed (or more accurately, when a + // link to an inode is removed). On kqueue it's sent + // and on kqueue when a file is truncated. On Windows + // it's never sent. + Events chan Event + + // Errors sends any errors. + Errors chan error + + port windows.Handle // Handle to completion port + input chan *input // Inputs to the reader are sent on this channel + quit chan chan<- error + + mu sync.Mutex // Protects access to watches, isClosed + watches watchMap // Map of watches (key: i-number) + isClosed bool // Set to true when Close() is first called +} + +// NewWatcher creates a new Watcher. +func NewWatcher() (*Watcher, error) { + port, err := windows.CreateIoCompletionPort(windows.InvalidHandle, 0, 0, 0) + if err != nil { + return nil, os.NewSyscallError("CreateIoCompletionPort", err) + } + w := &Watcher{ + port: port, + watches: make(watchMap), + input: make(chan *input, 1), + Events: make(chan Event, 50), + Errors: make(chan error), + quit: make(chan chan<- error, 1), + } + go w.readEvents() + return w, nil +} + +func (w *Watcher) sendEvent(name string, mask uint64) bool { + if mask == 0 { + return false + } + + event := w.newEvent(name, uint32(mask)) + select { + case ch := <-w.quit: + w.quit <- ch + case w.Events <- event: + } + return true +} + +// Returns true if the error was sent, or false if watcher is closed. +func (w *Watcher) sendError(err error) bool { + select { + case w.Errors <- err: + return true + case <-w.quit: + } + return false +} + +// Close removes all watches and closes the events channel. +func (w *Watcher) Close() error { + w.mu.Lock() + if w.isClosed { + w.mu.Unlock() + return nil + } + w.isClosed = true + w.mu.Unlock() + + // Send "quit" message to the reader goroutine + ch := make(chan error) + w.quit <- ch + if err := w.wakeupReader(); err != nil { + return err + } + return <-ch +} + +// Add starts monitoring the path for changes. +// +// A path can only be watched once; attempting to watch it more than once will +// return an error. Paths that do not yet exist on the filesystem cannot be +// added. A watch will be automatically removed if the path is deleted. +// +// A path will remain watched if it gets renamed to somewhere else on the same +// filesystem, but the monitor will get removed if the path gets deleted and +// re-created, or if it's moved to a different filesystem. +// +// Notifications on network filesystems (NFS, SMB, FUSE, etc.) or special +// filesystems (/proc, /sys, etc.) generally don't work. +// +// # Watching directories +// +// All files in a directory are monitored, including new files that are created +// after the watcher is started. Subdirectories are not watched (i.e. it's +// non-recursive). +// +// # Watching files +// +// Watching individual files (rather than directories) is generally not +// recommended as many tools update files atomically. Instead of "just" writing +// to the file a temporary file will be written to first, and if successful the +// temporary file is moved to to destination removing the original, or some +// variant thereof. The watcher on the original file is now lost, as it no +// longer exists. +// +// Instead, watch the parent directory and use Event.Name to filter out files +// you're not interested in. There is an example of this in [cmd/fsnotify/file.go]. +func (w *Watcher) Add(name string) error { + w.mu.Lock() + if w.isClosed { + w.mu.Unlock() + return errors.New("watcher already closed") + } + w.mu.Unlock() + + in := &input{ + op: opAddWatch, + path: filepath.Clean(name), + flags: sysFSALLEVENTS, + reply: make(chan error), + } + w.input <- in + if err := w.wakeupReader(); err != nil { + return err + } + return <-in.reply +} + +// Remove stops monitoring the path for changes. +// +// Directories are always removed non-recursively. For example, if you added +// /tmp/dir and /tmp/dir/subdir then you will need to remove both. +// +// Removing a path that has not yet been added returns [ErrNonExistentWatch]. +func (w *Watcher) Remove(name string) error { + in := &input{ + op: opRemoveWatch, + path: filepath.Clean(name), + reply: make(chan error), + } + w.input <- in + if err := w.wakeupReader(); err != nil { + return err + } + return <-in.reply +} + +// WatchList returns all paths added with [Add] (and are not yet removed). +func (w *Watcher) WatchList() []string { + w.mu.Lock() + defer w.mu.Unlock() + + entries := make([]string, 0, len(w.watches)) + for _, entry := range w.watches { + for _, watchEntry := range entry { + entries = append(entries, watchEntry.path) + } + } + + return entries +} + +// These options are from the old golang.org/x/exp/winfsnotify, where you could +// add various options to the watch. This has long since been removed. +// +// The "sys" in the name is misleading as they're not part of any "system". +// +// This should all be removed at some point, and just use windows.FILE_NOTIFY_* +const ( + sysFSALLEVENTS = 0xfff + sysFSATTRIB = 0x4 + sysFSCREATE = 0x100 + sysFSDELETE = 0x200 + sysFSDELETESELF = 0x400 + sysFSMODIFY = 0x2 + sysFSMOVE = 0xc0 + sysFSMOVEDFROM = 0x40 + sysFSMOVEDTO = 0x80 + sysFSMOVESELF = 0x800 + sysFSIGNORED = 0x8000 +) + +func (w *Watcher) newEvent(name string, mask uint32) Event { + e := Event{Name: name} + if mask&sysFSCREATE == sysFSCREATE || mask&sysFSMOVEDTO == sysFSMOVEDTO { + e.Op |= Create + } + if mask&sysFSDELETE == sysFSDELETE || mask&sysFSDELETESELF == sysFSDELETESELF { + e.Op |= Remove + } + if mask&sysFSMODIFY == sysFSMODIFY { + e.Op |= Write + } + if mask&sysFSMOVE == sysFSMOVE || mask&sysFSMOVESELF == sysFSMOVESELF || mask&sysFSMOVEDFROM == sysFSMOVEDFROM { + e.Op |= Rename + } + if mask&sysFSATTRIB == sysFSATTRIB { + e.Op |= Chmod + } + return e +} + +const ( + opAddWatch = iota + opRemoveWatch +) + +const ( + provisional uint64 = 1 << (32 + iota) +) + +type input struct { + op int + path string + flags uint32 + reply chan error +} + +type inode struct { + handle windows.Handle + volume uint32 + index uint64 +} + +type watch struct { + ov windows.Overlapped + ino *inode // i-number + path string // Directory path + mask uint64 // Directory itself is being watched with these notify flags + names map[string]uint64 // Map of names being watched and their notify flags + rename string // Remembers the old name while renaming a file + buf [65536]byte // 64K buffer +} + +type ( + indexMap map[uint64]*watch + watchMap map[uint32]indexMap +) + +func (w *Watcher) wakeupReader() error { + err := windows.PostQueuedCompletionStatus(w.port, 0, 0, nil) + if err != nil { + return os.NewSyscallError("PostQueuedCompletionStatus", err) + } + return nil +} + +func (w *Watcher) getDir(pathname string) (dir string, err error) { + attr, err := windows.GetFileAttributes(windows.StringToUTF16Ptr(pathname)) + if err != nil { + return "", os.NewSyscallError("GetFileAttributes", err) + } + if attr&windows.FILE_ATTRIBUTE_DIRECTORY != 0 { + dir = pathname + } else { + dir, _ = filepath.Split(pathname) + dir = filepath.Clean(dir) + } + return +} + +func (w *Watcher) getIno(path string) (ino *inode, err error) { + h, err := windows.CreateFile(windows.StringToUTF16Ptr(path), + windows.FILE_LIST_DIRECTORY, + windows.FILE_SHARE_READ|windows.FILE_SHARE_WRITE|windows.FILE_SHARE_DELETE, + nil, windows.OPEN_EXISTING, + windows.FILE_FLAG_BACKUP_SEMANTICS|windows.FILE_FLAG_OVERLAPPED, 0) + if err != nil { + return nil, os.NewSyscallError("CreateFile", err) + } + + var fi windows.ByHandleFileInformation + err = windows.GetFileInformationByHandle(h, &fi) + if err != nil { + windows.CloseHandle(h) + return nil, os.NewSyscallError("GetFileInformationByHandle", err) + } + ino = &inode{ + handle: h, + volume: fi.VolumeSerialNumber, + index: uint64(fi.FileIndexHigh)<<32 | uint64(fi.FileIndexLow), + } + return ino, nil +} + +// Must run within the I/O thread. +func (m watchMap) get(ino *inode) *watch { + if i := m[ino.volume]; i != nil { + return i[ino.index] + } + return nil +} + +// Must run within the I/O thread. +func (m watchMap) set(ino *inode, watch *watch) { + i := m[ino.volume] + if i == nil { + i = make(indexMap) + m[ino.volume] = i + } + i[ino.index] = watch +} + +// Must run within the I/O thread. +func (w *Watcher) addWatch(pathname string, flags uint64) error { + dir, err := w.getDir(pathname) + if err != nil { + return err + } + + ino, err := w.getIno(dir) + if err != nil { + return err + } + w.mu.Lock() + watchEntry := w.watches.get(ino) + w.mu.Unlock() + if watchEntry == nil { + _, err := windows.CreateIoCompletionPort(ino.handle, w.port, 0, 0) + if err != nil { + windows.CloseHandle(ino.handle) + return os.NewSyscallError("CreateIoCompletionPort", err) + } + watchEntry = &watch{ + ino: ino, + path: dir, + names: make(map[string]uint64), + } + w.mu.Lock() + w.watches.set(ino, watchEntry) + w.mu.Unlock() + flags |= provisional + } else { + windows.CloseHandle(ino.handle) + } + if pathname == dir { + watchEntry.mask |= flags + } else { + watchEntry.names[filepath.Base(pathname)] |= flags + } + + err = w.startRead(watchEntry) + if err != nil { + return err + } + + if pathname == dir { + watchEntry.mask &= ^provisional + } else { + watchEntry.names[filepath.Base(pathname)] &= ^provisional + } + return nil +} + +// Must run within the I/O thread. +func (w *Watcher) remWatch(pathname string) error { + dir, err := w.getDir(pathname) + if err != nil { + return err + } + ino, err := w.getIno(dir) + if err != nil { + return err + } + + w.mu.Lock() + watch := w.watches.get(ino) + w.mu.Unlock() + + err = windows.CloseHandle(ino.handle) + if err != nil { + w.sendError(os.NewSyscallError("CloseHandle", err)) + } + if watch == nil { + return fmt.Errorf("%w: %s", ErrNonExistentWatch, pathname) + } + if pathname == dir { + w.sendEvent(watch.path, watch.mask&sysFSIGNORED) + watch.mask = 0 + } else { + name := filepath.Base(pathname) + w.sendEvent(filepath.Join(watch.path, name), watch.names[name]&sysFSIGNORED) + delete(watch.names, name) + } + + return w.startRead(watch) +} + +// Must run within the I/O thread. +func (w *Watcher) deleteWatch(watch *watch) { + for name, mask := range watch.names { + if mask&provisional == 0 { + w.sendEvent(filepath.Join(watch.path, name), mask&sysFSIGNORED) + } + delete(watch.names, name) + } + if watch.mask != 0 { + if watch.mask&provisional == 0 { + w.sendEvent(watch.path, watch.mask&sysFSIGNORED) + } + watch.mask = 0 + } +} + +// Must run within the I/O thread. +func (w *Watcher) startRead(watch *watch) error { + err := windows.CancelIo(watch.ino.handle) + if err != nil { + w.sendError(os.NewSyscallError("CancelIo", err)) + w.deleteWatch(watch) + } + mask := w.toWindowsFlags(watch.mask) + for _, m := range watch.names { + mask |= w.toWindowsFlags(m) + } + if mask == 0 { + err := windows.CloseHandle(watch.ino.handle) + if err != nil { + w.sendError(os.NewSyscallError("CloseHandle", err)) + } + w.mu.Lock() + delete(w.watches[watch.ino.volume], watch.ino.index) + w.mu.Unlock() + return nil + } + + rdErr := windows.ReadDirectoryChanges(watch.ino.handle, &watch.buf[0], + uint32(unsafe.Sizeof(watch.buf)), false, mask, nil, &watch.ov, 0) + if rdErr != nil { + err := os.NewSyscallError("ReadDirectoryChanges", rdErr) + if rdErr == windows.ERROR_ACCESS_DENIED && watch.mask&provisional == 0 { + // Watched directory was probably removed + w.sendEvent(watch.path, watch.mask&sysFSDELETESELF) + err = nil + } + w.deleteWatch(watch) + w.startRead(watch) + return err + } + return nil +} + +// readEvents reads from the I/O completion port, converts the +// received events into Event objects and sends them via the Events channel. +// Entry point to the I/O thread. +func (w *Watcher) readEvents() { + var ( + n uint32 + key uintptr + ov *windows.Overlapped + ) + runtime.LockOSThread() + + for { + qErr := windows.GetQueuedCompletionStatus(w.port, &n, &key, &ov, windows.INFINITE) + // This error is handled after the watch == nil check below. NOTE: this + // seems odd, note sure if it's correct. + + watch := (*watch)(unsafe.Pointer(ov)) + if watch == nil { + select { + case ch := <-w.quit: + w.mu.Lock() + var indexes []indexMap + for _, index := range w.watches { + indexes = append(indexes, index) + } + w.mu.Unlock() + for _, index := range indexes { + for _, watch := range index { + w.deleteWatch(watch) + w.startRead(watch) + } + } + + err := windows.CloseHandle(w.port) + if err != nil { + err = os.NewSyscallError("CloseHandle", err) + } + close(w.Events) + close(w.Errors) + ch <- err + return + case in := <-w.input: + switch in.op { + case opAddWatch: + in.reply <- w.addWatch(in.path, uint64(in.flags)) + case opRemoveWatch: + in.reply <- w.remWatch(in.path) + } + default: + } + continue + } + + switch qErr { + case windows.ERROR_MORE_DATA: + if watch == nil { + w.sendError(errors.New("ERROR_MORE_DATA has unexpectedly null lpOverlapped buffer")) + } else { + // The i/o succeeded but the buffer is full. + // In theory we should be building up a full packet. + // In practice we can get away with just carrying on. + n = uint32(unsafe.Sizeof(watch.buf)) + } + case windows.ERROR_ACCESS_DENIED: + // Watched directory was probably removed + w.sendEvent(watch.path, watch.mask&sysFSDELETESELF) + w.deleteWatch(watch) + w.startRead(watch) + continue + case windows.ERROR_OPERATION_ABORTED: + // CancelIo was called on this handle + continue + default: + w.sendError(os.NewSyscallError("GetQueuedCompletionPort", qErr)) + continue + case nil: + } + + var offset uint32 + for { + if n == 0 { + w.sendError(errors.New("short read in readEvents()")) + break + } + + // Point "raw" to the event in the buffer + raw := (*windows.FileNotifyInformation)(unsafe.Pointer(&watch.buf[offset])) + + // Create a buf that is the size of the path name + size := int(raw.FileNameLength / 2) + var buf []uint16 + // TODO: Use unsafe.Slice in Go 1.17; https://stackoverflow.com/questions/51187973 + sh := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) + sh.Data = uintptr(unsafe.Pointer(&raw.FileName)) + sh.Len = size + sh.Cap = size + name := windows.UTF16ToString(buf) + fullname := filepath.Join(watch.path, name) + + var mask uint64 + switch raw.Action { + case windows.FILE_ACTION_REMOVED: + mask = sysFSDELETESELF + case windows.FILE_ACTION_MODIFIED: + mask = sysFSMODIFY + case windows.FILE_ACTION_RENAMED_OLD_NAME: + watch.rename = name + case windows.FILE_ACTION_RENAMED_NEW_NAME: + // Update saved path of all sub-watches. + old := filepath.Join(watch.path, watch.rename) + w.mu.Lock() + for _, watchMap := range w.watches { + for _, ww := range watchMap { + if strings.HasPrefix(ww.path, old) { + ww.path = filepath.Join(fullname, strings.TrimPrefix(ww.path, old)) + } + } + } + w.mu.Unlock() + + if watch.names[watch.rename] != 0 { + watch.names[name] |= watch.names[watch.rename] + delete(watch.names, watch.rename) + mask = sysFSMOVESELF + } + } + + sendNameEvent := func() { + w.sendEvent(fullname, watch.names[name]&mask) + } + if raw.Action != windows.FILE_ACTION_RENAMED_NEW_NAME { + sendNameEvent() + } + if raw.Action == windows.FILE_ACTION_REMOVED { + w.sendEvent(fullname, watch.names[name]&sysFSIGNORED) + delete(watch.names, name) + } + + w.sendEvent(fullname, watch.mask&w.toFSnotifyFlags(raw.Action)) + if raw.Action == windows.FILE_ACTION_RENAMED_NEW_NAME { + fullname = filepath.Join(watch.path, watch.rename) + sendNameEvent() + } + + // Move to the next event in the buffer + if raw.NextEntryOffset == 0 { + break + } + offset += raw.NextEntryOffset + + // Error! + if offset >= n { + w.sendError(errors.New( + "Windows system assumed buffer larger than it is, events have likely been missed.")) + break + } + } + + if err := w.startRead(watch); err != nil { + w.sendError(err) + } + } +} + +func (w *Watcher) toWindowsFlags(mask uint64) uint32 { + var m uint32 + if mask&sysFSMODIFY != 0 { + m |= windows.FILE_NOTIFY_CHANGE_LAST_WRITE + } + if mask&sysFSATTRIB != 0 { + m |= windows.FILE_NOTIFY_CHANGE_ATTRIBUTES + } + if mask&(sysFSMOVE|sysFSCREATE|sysFSDELETE) != 0 { + m |= windows.FILE_NOTIFY_CHANGE_FILE_NAME | windows.FILE_NOTIFY_CHANGE_DIR_NAME + } + return m +} + +func (w *Watcher) toFSnotifyFlags(action uint32) uint64 { + switch action { + case windows.FILE_ACTION_ADDED: + return sysFSCREATE + case windows.FILE_ACTION_REMOVED: + return sysFSDELETE + case windows.FILE_ACTION_MODIFIED: + return sysFSMODIFY + case windows.FILE_ACTION_RENAMED_OLD_NAME: + return sysFSMOVEDFROM + case windows.FILE_ACTION_RENAMED_NEW_NAME: + return sysFSMOVEDTO + } + return 0 +} diff --git a/vendor/github.com/fsnotify/fsnotify/fen.go b/vendor/github.com/fsnotify/fsnotify/fen.go deleted file mode 100644 index b3ac3d8..0000000 --- a/vendor/github.com/fsnotify/fsnotify/fen.go +++ /dev/null @@ -1,38 +0,0 @@ -// Copyright 2010 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. - -//go:build solaris -// +build solaris - -package fsnotify - -import ( - "errors" -) - -// Watcher watches a set of files, delivering events to a channel. -type Watcher struct { - Events chan Event - Errors chan error -} - -// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events. -func NewWatcher() (*Watcher, error) { - return nil, errors.New("FEN based watcher not yet supported for fsnotify\n") -} - -// Close removes all watches and closes the events channel. -func (w *Watcher) Close() error { - return nil -} - -// Add starts watching the named file or directory (non-recursively). -func (w *Watcher) Add(name string) error { - return nil -} - -// Remove stops watching the the named file or directory (non-recursively). -func (w *Watcher) Remove(name string) error { - return nil -} diff --git a/vendor/github.com/fsnotify/fsnotify/fsnotify.go b/vendor/github.com/fsnotify/fsnotify/fsnotify.go index 0f4ee52..30a5bf0 100644 --- a/vendor/github.com/fsnotify/fsnotify/fsnotify.go +++ b/vendor/github.com/fsnotify/fsnotify/fsnotify.go @@ -1,29 +1,37 @@ -// Copyright 2012 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. - //go:build !plan9 // +build !plan9 -// Package fsnotify provides a platform-independent interface for file system notifications. +// Package fsnotify provides a cross-platform interface for file system +// notifications. package fsnotify import ( - "bytes" "errors" "fmt" + "strings" ) -// Event represents a single file system notification. +// Event represents a file system notification. type Event struct { - Name string // Relative path to the file or directory. - Op Op // File operation that triggered the event. + // Path to the file or directory. + // + // Paths are relative to the input; for example with Add("dir") the Name + // will be set to "dir/file" if you create that file, but if you use + // Add("/path/to/dir") it will be "/path/to/dir/file". + Name string + + // File operation that triggered the event. + // + // This is a bitmask and some systems may send multiple operations at once. + // Use the Event.Has() method instead of comparing with ==. + Op Op } // Op describes a set of file operations. type Op uint32 -// These are the generalized file operations that can trigger a notification. +// The operations fsnotify can trigger; see the documentation on [Watcher] for a +// full description, and check them with [Event.Has]. const ( Create Op = 1 << iota Write @@ -32,38 +40,42 @@ const ( Chmod ) -func (op Op) String() string { - // Use a buffer for efficient string concatenation - var buffer bytes.Buffer +// Common errors that can be reported by a watcher +var ( + ErrNonExistentWatch = errors.New("can't remove non-existent watcher") + ErrEventOverflow = errors.New("fsnotify queue overflow") +) - if op&Create == Create { - buffer.WriteString("|CREATE") +func (op Op) String() string { + var b strings.Builder + if op.Has(Create) { + b.WriteString("|CREATE") } - if op&Remove == Remove { - buffer.WriteString("|REMOVE") + if op.Has(Remove) { + b.WriteString("|REMOVE") } - if op&Write == Write { - buffer.WriteString("|WRITE") + if op.Has(Write) { + b.WriteString("|WRITE") } - if op&Rename == Rename { - buffer.WriteString("|RENAME") + if op.Has(Rename) { + b.WriteString("|RENAME") } - if op&Chmod == Chmod { - buffer.WriteString("|CHMOD") + if op.Has(Chmod) { + b.WriteString("|CHMOD") } - if buffer.Len() == 0 { - return "" + if b.Len() == 0 { + return "[no events]" } - return buffer.String()[1:] // Strip leading pipe + return b.String()[1:] } -// String returns a string representation of the event in the form -// "file: REMOVE|WRITE|..." +// Has reports if this operation has the given operation. +func (o Op) Has(h Op) bool { return o&h == h } + +// Has reports if this event has the given operation. +func (e Event) Has(op Op) bool { return e.Op.Has(op) } + +// String returns a string representation of the event with their path. func (e Event) String() string { - return fmt.Sprintf("%q: %s", e.Name, e.Op.String()) + return fmt.Sprintf("%-13s %q", e.Op.String(), e.Name) } - -// Common errors that can be reported by a watcher -var ( - ErrEventOverflow = errors.New("fsnotify queue overflow") -) diff --git a/vendor/github.com/fsnotify/fsnotify/fsnotify_unsupported.go b/vendor/github.com/fsnotify/fsnotify/fsnotify_unsupported.go deleted file mode 100644 index 5968855..0000000 --- a/vendor/github.com/fsnotify/fsnotify/fsnotify_unsupported.go +++ /dev/null @@ -1,36 +0,0 @@ -// 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. - -//go:build !darwin && !dragonfly && !freebsd && !openbsd && !linux && !netbsd && !solaris && !windows -// +build !darwin,!dragonfly,!freebsd,!openbsd,!linux,!netbsd,!solaris,!windows - -package fsnotify - -import ( - "fmt" - "runtime" -) - -// Watcher watches a set of files, delivering events to a channel. -type Watcher struct{} - -// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events. -func NewWatcher() (*Watcher, error) { - return nil, fmt.Errorf("fsnotify not supported on %s", runtime.GOOS) -} - -// Close removes all watches and closes the events channel. -func (w *Watcher) Close() error { - return nil -} - -// Add starts watching the named file or directory (non-recursively). -func (w *Watcher) Add(name string) error { - return nil -} - -// Remove stops watching the the named file or directory (non-recursively). -func (w *Watcher) Remove(name string) error { - return nil -} diff --git a/vendor/github.com/fsnotify/fsnotify/inotify.go b/vendor/github.com/fsnotify/fsnotify/inotify.go deleted file mode 100644 index a6d0e0e..0000000 --- a/vendor/github.com/fsnotify/fsnotify/inotify.go +++ /dev/null @@ -1,351 +0,0 @@ -// Copyright 2010 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. - -//go:build linux -// +build linux - -package fsnotify - -import ( - "errors" - "fmt" - "io" - "os" - "path/filepath" - "strings" - "sync" - "unsafe" - - "golang.org/x/sys/unix" -) - -// Watcher watches a set of files, delivering events to a channel. -type Watcher struct { - Events chan Event - Errors chan error - mu sync.Mutex // Map access - fd int - poller *fdPoller - watches map[string]*watch // Map of inotify watches (key: path) - paths map[int]string // Map of watched paths (key: watch descriptor) - done chan struct{} // Channel for sending a "quit message" to the reader goroutine - doneResp chan struct{} // Channel to respond to Close -} - -// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events. -func NewWatcher() (*Watcher, error) { - // Create inotify fd - fd, errno := unix.InotifyInit1(unix.IN_CLOEXEC) - if fd == -1 { - return nil, errno - } - // Create epoll - poller, err := newFdPoller(fd) - if err != nil { - unix.Close(fd) - return nil, err - } - w := &Watcher{ - fd: fd, - poller: poller, - watches: make(map[string]*watch), - paths: make(map[int]string), - Events: make(chan Event), - Errors: make(chan error), - done: make(chan struct{}), - doneResp: make(chan struct{}), - } - - go w.readEvents() - return w, nil -} - -func (w *Watcher) isClosed() bool { - select { - case <-w.done: - return true - default: - return false - } -} - -// Close removes all watches and closes the events channel. -func (w *Watcher) Close() error { - if w.isClosed() { - return nil - } - - // Send 'close' signal to goroutine, and set the Watcher to closed. - close(w.done) - - // Wake up goroutine - w.poller.wake() - - // Wait for goroutine to close - <-w.doneResp - - return nil -} - -// Add starts watching the named file or directory (non-recursively). -func (w *Watcher) Add(name string) error { - name = filepath.Clean(name) - if w.isClosed() { - return errors.New("inotify instance already closed") - } - - const agnosticEvents = unix.IN_MOVED_TO | unix.IN_MOVED_FROM | - unix.IN_CREATE | unix.IN_ATTRIB | unix.IN_MODIFY | - unix.IN_MOVE_SELF | unix.IN_DELETE | unix.IN_DELETE_SELF - - var flags uint32 = agnosticEvents - - w.mu.Lock() - defer w.mu.Unlock() - watchEntry := w.watches[name] - if watchEntry != nil { - flags |= watchEntry.flags | unix.IN_MASK_ADD - } - wd, errno := unix.InotifyAddWatch(w.fd, name, flags) - if wd == -1 { - return errno - } - - if watchEntry == nil { - w.watches[name] = &watch{wd: uint32(wd), flags: flags} - w.paths[wd] = name - } else { - watchEntry.wd = uint32(wd) - watchEntry.flags = flags - } - - return nil -} - -// Remove stops watching the named file or directory (non-recursively). -func (w *Watcher) Remove(name string) error { - name = filepath.Clean(name) - - // Fetch the watch. - w.mu.Lock() - defer w.mu.Unlock() - watch, ok := w.watches[name] - - // Remove it from inotify. - if !ok { - return fmt.Errorf("can't remove non-existent inotify watch for: %s", name) - } - - // We successfully removed the watch if InotifyRmWatch doesn't return an - // error, we need to clean up our internal state to ensure it matches - // inotify's kernel state. - delete(w.paths, int(watch.wd)) - delete(w.watches, name) - - // inotify_rm_watch will return EINVAL if the file has been deleted; - // the inotify will already have been removed. - // watches and pathes are deleted in ignoreLinux() implicitly and asynchronously - // by calling inotify_rm_watch() below. e.g. readEvents() goroutine receives IN_IGNORE - // so that EINVAL means that the wd is being rm_watch()ed or its file removed - // by another thread and we have not received IN_IGNORE event. - success, errno := unix.InotifyRmWatch(w.fd, watch.wd) - if success == -1 { - // TODO: Perhaps it's not helpful to return an error here in every case. - // the only two possible errors are: - // EBADF, which happens when w.fd is not a valid file descriptor of any kind. - // EINVAL, which is when fd is not an inotify descriptor or wd is not a valid watch descriptor. - // Watch descriptors are invalidated when they are removed explicitly or implicitly; - // explicitly by inotify_rm_watch, implicitly when the file they are watching is deleted. - return errno - } - - return nil -} - -// WatchList returns the directories and files that are being monitered. -func (w *Watcher) WatchList() []string { - w.mu.Lock() - defer w.mu.Unlock() - - entries := make([]string, 0, len(w.watches)) - for pathname := range w.watches { - entries = append(entries, pathname) - } - - return entries -} - -type watch struct { - wd uint32 // Watch descriptor (as returned by the inotify_add_watch() syscall) - flags uint32 // inotify flags of this watch (see inotify(7) for the list of valid flags) -} - -// readEvents reads from the inotify file descriptor, converts the -// received events into Event objects and sends them via the Events channel -func (w *Watcher) readEvents() { - var ( - buf [unix.SizeofInotifyEvent * 4096]byte // Buffer for a maximum of 4096 raw events - n int // Number of bytes read with read() - errno error // Syscall errno - ok bool // For poller.wait - ) - - defer close(w.doneResp) - defer close(w.Errors) - defer close(w.Events) - defer unix.Close(w.fd) - defer w.poller.close() - - for { - // See if we have been closed. - if w.isClosed() { - return - } - - ok, errno = w.poller.wait() - if errno != nil { - select { - case w.Errors <- errno: - case <-w.done: - return - } - continue - } - - if !ok { - continue - } - - n, errno = unix.Read(w.fd, buf[:]) - // If a signal interrupted execution, see if we've been asked to close, and try again. - // http://man7.org/linux/man-pages/man7/signal.7.html : - // "Before Linux 3.8, reads from an inotify(7) file descriptor were not restartable" - if errno == unix.EINTR { - continue - } - - // unix.Read might have been woken up by Close. If so, we're done. - if w.isClosed() { - return - } - - if n < unix.SizeofInotifyEvent { - var err error - if n == 0 { - // If EOF is received. This should really never happen. - err = io.EOF - } else if n < 0 { - // If an error occurred while reading. - err = errno - } else { - // Read was too short. - err = errors.New("notify: short read in readEvents()") - } - select { - case w.Errors <- err: - case <-w.done: - return - } - continue - } - - var offset uint32 - // We don't know how many events we just read into the buffer - // While the offset points to at least one whole event... - for offset <= uint32(n-unix.SizeofInotifyEvent) { - // Point "raw" to the event in the buffer - raw := (*unix.InotifyEvent)(unsafe.Pointer(&buf[offset])) - - mask := uint32(raw.Mask) - nameLen := uint32(raw.Len) - - if mask&unix.IN_Q_OVERFLOW != 0 { - select { - case w.Errors <- ErrEventOverflow: - case <-w.done: - return - } - } - - // If the event happened to the watched directory or the watched file, the kernel - // doesn't append the filename to the event, but we would like to always fill the - // the "Name" field with a valid filename. We retrieve the path of the watch from - // the "paths" map. - w.mu.Lock() - name, ok := w.paths[int(raw.Wd)] - // IN_DELETE_SELF occurs when the file/directory being watched is removed. - // This is a sign to clean up the maps, otherwise we are no longer in sync - // with the inotify kernel state which has already deleted the watch - // automatically. - if ok && mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF { - delete(w.paths, int(raw.Wd)) - delete(w.watches, name) - } - w.mu.Unlock() - - if nameLen > 0 { - // Point "bytes" at the first byte of the filename - bytes := (*[unix.PathMax]byte)(unsafe.Pointer(&buf[offset+unix.SizeofInotifyEvent]))[:nameLen:nameLen] - // The filename is padded with NULL bytes. TrimRight() gets rid of those. - name += "/" + strings.TrimRight(string(bytes[0:nameLen]), "\000") - } - - event := newEvent(name, mask) - - // Send the events that are not ignored on the events channel - if !event.ignoreLinux(mask) { - select { - case w.Events <- event: - case <-w.done: - return - } - } - - // Move to the next event in the buffer - offset += unix.SizeofInotifyEvent + nameLen - } - } -} - -// Certain types of events can be "ignored" and not sent over the Events -// channel. Such as events marked ignore by the kernel, or MODIFY events -// against files that do not exist. -func (e *Event) ignoreLinux(mask uint32) bool { - // Ignore anything the inotify API says to ignore - if mask&unix.IN_IGNORED == unix.IN_IGNORED { - return true - } - - // If the event is not a DELETE or RENAME, the file must exist. - // Otherwise the event is ignored. - // *Note*: this was put in place because it was seen that a MODIFY - // event was sent after the DELETE. This ignores that MODIFY and - // assumes a DELETE will come or has come if the file doesn't exist. - if !(e.Op&Remove == Remove || e.Op&Rename == Rename) { - _, statErr := os.Lstat(e.Name) - return os.IsNotExist(statErr) - } - return false -} - -// newEvent returns an platform-independent Event based on an inotify mask. -func newEvent(name string, mask uint32) Event { - e := Event{Name: name} - if mask&unix.IN_CREATE == unix.IN_CREATE || mask&unix.IN_MOVED_TO == unix.IN_MOVED_TO { - e.Op |= Create - } - if mask&unix.IN_DELETE_SELF == unix.IN_DELETE_SELF || mask&unix.IN_DELETE == unix.IN_DELETE { - e.Op |= Remove - } - if mask&unix.IN_MODIFY == unix.IN_MODIFY { - e.Op |= Write - } - if mask&unix.IN_MOVE_SELF == unix.IN_MOVE_SELF || mask&unix.IN_MOVED_FROM == unix.IN_MOVED_FROM { - e.Op |= Rename - } - if mask&unix.IN_ATTRIB == unix.IN_ATTRIB { - e.Op |= Chmod - } - return e -} diff --git a/vendor/github.com/fsnotify/fsnotify/inotify_poller.go b/vendor/github.com/fsnotify/fsnotify/inotify_poller.go deleted file mode 100644 index b572a37..0000000 --- a/vendor/github.com/fsnotify/fsnotify/inotify_poller.go +++ /dev/null @@ -1,187 +0,0 @@ -// Copyright 2015 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. - -//go:build linux -// +build linux - -package fsnotify - -import ( - "errors" - - "golang.org/x/sys/unix" -) - -type fdPoller struct { - fd int // File descriptor (as returned by the inotify_init() syscall) - epfd int // Epoll file descriptor - pipe [2]int // Pipe for waking up -} - -func emptyPoller(fd int) *fdPoller { - poller := new(fdPoller) - poller.fd = fd - poller.epfd = -1 - poller.pipe[0] = -1 - poller.pipe[1] = -1 - return poller -} - -// Create a new inotify poller. -// This creates an inotify handler, and an epoll handler. -func newFdPoller(fd int) (*fdPoller, error) { - var errno error - poller := emptyPoller(fd) - defer func() { - if errno != nil { - poller.close() - } - }() - - // Create epoll fd - poller.epfd, errno = unix.EpollCreate1(unix.EPOLL_CLOEXEC) - if poller.epfd == -1 { - return nil, errno - } - // Create pipe; pipe[0] is the read end, pipe[1] the write end. - errno = unix.Pipe2(poller.pipe[:], unix.O_NONBLOCK|unix.O_CLOEXEC) - if errno != nil { - return nil, errno - } - - // Register inotify fd with epoll - event := unix.EpollEvent{ - Fd: int32(poller.fd), - Events: unix.EPOLLIN, - } - errno = unix.EpollCtl(poller.epfd, unix.EPOLL_CTL_ADD, poller.fd, &event) - if errno != nil { - return nil, errno - } - - // Register pipe fd with epoll - event = unix.EpollEvent{ - Fd: int32(poller.pipe[0]), - Events: unix.EPOLLIN, - } - errno = unix.EpollCtl(poller.epfd, unix.EPOLL_CTL_ADD, poller.pipe[0], &event) - if errno != nil { - return nil, errno - } - - return poller, nil -} - -// Wait using epoll. -// Returns true if something is ready to be read, -// false if there is not. -func (poller *fdPoller) wait() (bool, error) { - // 3 possible events per fd, and 2 fds, makes a maximum of 6 events. - // I don't know whether epoll_wait returns the number of events returned, - // or the total number of events ready. - // I decided to catch both by making the buffer one larger than the maximum. - events := make([]unix.EpollEvent, 7) - for { - n, errno := unix.EpollWait(poller.epfd, events, -1) - if n == -1 { - if errno == unix.EINTR { - continue - } - return false, errno - } - if n == 0 { - // If there are no events, try again. - continue - } - if n > 6 { - // This should never happen. More events were returned than should be possible. - return false, errors.New("epoll_wait returned more events than I know what to do with") - } - ready := events[:n] - epollhup := false - epollerr := false - epollin := false - for _, event := range ready { - if event.Fd == int32(poller.fd) { - if event.Events&unix.EPOLLHUP != 0 { - // This should not happen, but if it does, treat it as a wakeup. - epollhup = true - } - if event.Events&unix.EPOLLERR != 0 { - // If an error is waiting on the file descriptor, we should pretend - // something is ready to read, and let unix.Read pick up the error. - epollerr = true - } - if event.Events&unix.EPOLLIN != 0 { - // There is data to read. - epollin = true - } - } - if event.Fd == int32(poller.pipe[0]) { - if event.Events&unix.EPOLLHUP != 0 { - // Write pipe descriptor was closed, by us. This means we're closing down the - // watcher, and we should wake up. - } - if event.Events&unix.EPOLLERR != 0 { - // If an error is waiting on the pipe file descriptor. - // This is an absolute mystery, and should never ever happen. - return false, errors.New("Error on the pipe descriptor.") - } - if event.Events&unix.EPOLLIN != 0 { - // This is a regular wakeup, so we have to clear the buffer. - err := poller.clearWake() - if err != nil { - return false, err - } - } - } - } - - if epollhup || epollerr || epollin { - return true, nil - } - return false, nil - } -} - -// Close the write end of the poller. -func (poller *fdPoller) wake() error { - buf := make([]byte, 1) - n, errno := unix.Write(poller.pipe[1], buf) - if n == -1 { - if errno == unix.EAGAIN { - // Buffer is full, poller will wake. - return nil - } - return errno - } - return nil -} - -func (poller *fdPoller) clearWake() error { - // You have to be woken up a LOT in order to get to 100! - buf := make([]byte, 100) - n, errno := unix.Read(poller.pipe[0], buf) - if n == -1 { - if errno == unix.EAGAIN { - // Buffer is empty, someone else cleared our wake. - return nil - } - return errno - } - return nil -} - -// Close all poller file descriptors, but not the one passed to it. -func (poller *fdPoller) close() { - if poller.pipe[1] != -1 { - unix.Close(poller.pipe[1]) - } - if poller.pipe[0] != -1 { - unix.Close(poller.pipe[0]) - } - if poller.epfd != -1 { - unix.Close(poller.epfd) - } -} diff --git a/vendor/github.com/fsnotify/fsnotify/kqueue.go b/vendor/github.com/fsnotify/fsnotify/kqueue.go deleted file mode 100644 index 6fb8d85..0000000 --- a/vendor/github.com/fsnotify/fsnotify/kqueue.go +++ /dev/null @@ -1,535 +0,0 @@ -// Copyright 2010 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. - -//go:build freebsd || openbsd || netbsd || dragonfly || darwin -// +build freebsd openbsd netbsd dragonfly darwin - -package fsnotify - -import ( - "errors" - "fmt" - "io/ioutil" - "os" - "path/filepath" - "sync" - "time" - - "golang.org/x/sys/unix" -) - -// Watcher watches a set of files, delivering events to a channel. -type Watcher struct { - Events chan Event - Errors chan error - done chan struct{} // Channel for sending a "quit message" to the reader goroutine - - kq int // File descriptor (as returned by the kqueue() syscall). - - mu sync.Mutex // Protects access to watcher data - watches map[string]int // Map of watched file descriptors (key: path). - externalWatches map[string]bool // Map of watches added by user of the library. - dirFlags map[string]uint32 // Map of watched directories to fflags used in kqueue. - paths map[int]pathInfo // Map file descriptors to path names for processing kqueue events. - fileExists map[string]bool // Keep track of if we know this file exists (to stop duplicate create events). - isClosed bool // Set to true when Close() is first called -} - -type pathInfo struct { - name string - isDir bool -} - -// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events. -func NewWatcher() (*Watcher, error) { - kq, err := kqueue() - if err != nil { - return nil, err - } - - w := &Watcher{ - kq: kq, - watches: make(map[string]int), - dirFlags: make(map[string]uint32), - paths: make(map[int]pathInfo), - fileExists: make(map[string]bool), - externalWatches: make(map[string]bool), - Events: make(chan Event), - Errors: make(chan error), - done: make(chan struct{}), - } - - go w.readEvents() - return w, nil -} - -// Close removes all watches and closes the events channel. -func (w *Watcher) Close() error { - w.mu.Lock() - if w.isClosed { - w.mu.Unlock() - return nil - } - w.isClosed = true - - // copy paths to remove while locked - var pathsToRemove = make([]string, 0, len(w.watches)) - for name := range w.watches { - pathsToRemove = append(pathsToRemove, name) - } - w.mu.Unlock() - // unlock before calling Remove, which also locks - - for _, name := range pathsToRemove { - w.Remove(name) - } - - // send a "quit" message to the reader goroutine - close(w.done) - - return nil -} - -// Add starts watching the named file or directory (non-recursively). -func (w *Watcher) Add(name string) error { - w.mu.Lock() - w.externalWatches[name] = true - w.mu.Unlock() - _, err := w.addWatch(name, noteAllEvents) - return err -} - -// Remove stops watching the the named file or directory (non-recursively). -func (w *Watcher) Remove(name string) error { - name = filepath.Clean(name) - w.mu.Lock() - watchfd, ok := w.watches[name] - w.mu.Unlock() - if !ok { - return fmt.Errorf("can't remove non-existent kevent watch for: %s", name) - } - - const registerRemove = unix.EV_DELETE - if err := register(w.kq, []int{watchfd}, registerRemove, 0); err != nil { - return err - } - - unix.Close(watchfd) - - w.mu.Lock() - isDir := w.paths[watchfd].isDir - delete(w.watches, name) - delete(w.paths, watchfd) - delete(w.dirFlags, name) - w.mu.Unlock() - - // Find all watched paths that are in this directory that are not external. - if isDir { - var pathsToRemove []string - w.mu.Lock() - for _, path := range w.paths { - wdir, _ := filepath.Split(path.name) - if filepath.Clean(wdir) == name { - if !w.externalWatches[path.name] { - pathsToRemove = append(pathsToRemove, path.name) - } - } - } - w.mu.Unlock() - for _, name := range pathsToRemove { - // Since these are internal, not much sense in propagating error - // to the user, as that will just confuse them with an error about - // a path they did not explicitly watch themselves. - w.Remove(name) - } - } - - return nil -} - -// WatchList returns the directories and files that are being monitered. -func (w *Watcher) WatchList() []string { - w.mu.Lock() - defer w.mu.Unlock() - - entries := make([]string, 0, len(w.watches)) - for pathname := range w.watches { - entries = append(entries, pathname) - } - - return entries -} - -// Watch all events (except NOTE_EXTEND, NOTE_LINK, NOTE_REVOKE) -const noteAllEvents = unix.NOTE_DELETE | unix.NOTE_WRITE | unix.NOTE_ATTRIB | unix.NOTE_RENAME - -// keventWaitTime to block on each read from kevent -var keventWaitTime = durationToTimespec(100 * time.Millisecond) - -// addWatch adds name to the watched file set. -// The flags are interpreted as described in kevent(2). -// Returns the real path to the file which was added, if any, which may be different from the one passed in the case of symlinks. -func (w *Watcher) addWatch(name string, flags uint32) (string, error) { - var isDir bool - // Make ./name and name equivalent - name = filepath.Clean(name) - - w.mu.Lock() - if w.isClosed { - w.mu.Unlock() - return "", errors.New("kevent instance already closed") - } - watchfd, alreadyWatching := w.watches[name] - // We already have a watch, but we can still override flags. - if alreadyWatching { - isDir = w.paths[watchfd].isDir - } - w.mu.Unlock() - - if !alreadyWatching { - fi, err := os.Lstat(name) - if err != nil { - return "", err - } - - // Don't watch sockets. - if fi.Mode()&os.ModeSocket == os.ModeSocket { - return "", nil - } - - // Don't watch named pipes. - if fi.Mode()&os.ModeNamedPipe == os.ModeNamedPipe { - return "", nil - } - - // Follow Symlinks - // Unfortunately, Linux can add bogus symlinks to watch list without - // issue, and Windows can't do symlinks period (AFAIK). To maintain - // consistency, we will act like everything is fine. There will simply - // be no file events for broken symlinks. - // Hence the returns of nil on errors. - if fi.Mode()&os.ModeSymlink == os.ModeSymlink { - name, err = filepath.EvalSymlinks(name) - if err != nil { - return "", nil - } - - w.mu.Lock() - _, alreadyWatching = w.watches[name] - w.mu.Unlock() - - if alreadyWatching { - return name, nil - } - - fi, err = os.Lstat(name) - if err != nil { - return "", nil - } - } - - watchfd, err = unix.Open(name, openMode, 0700) - if watchfd == -1 { - return "", err - } - - isDir = fi.IsDir() - } - - const registerAdd = unix.EV_ADD | unix.EV_CLEAR | unix.EV_ENABLE - if err := register(w.kq, []int{watchfd}, registerAdd, flags); err != nil { - unix.Close(watchfd) - return "", err - } - - if !alreadyWatching { - w.mu.Lock() - w.watches[name] = watchfd - w.paths[watchfd] = pathInfo{name: name, isDir: isDir} - w.mu.Unlock() - } - - if isDir { - // Watch the directory if it has not been watched before, - // or if it was watched before, but perhaps only a NOTE_DELETE (watchDirectoryFiles) - w.mu.Lock() - - watchDir := (flags&unix.NOTE_WRITE) == unix.NOTE_WRITE && - (!alreadyWatching || (w.dirFlags[name]&unix.NOTE_WRITE) != unix.NOTE_WRITE) - // Store flags so this watch can be updated later - w.dirFlags[name] = flags - w.mu.Unlock() - - if watchDir { - if err := w.watchDirectoryFiles(name); err != nil { - return "", err - } - } - } - return name, nil -} - -// readEvents reads from kqueue and converts the received kevents into -// Event values that it sends down the Events channel. -func (w *Watcher) readEvents() { - eventBuffer := make([]unix.Kevent_t, 10) - -loop: - for { - // See if there is a message on the "done" channel - select { - case <-w.done: - break loop - default: - } - - // Get new events - kevents, err := read(w.kq, eventBuffer, &keventWaitTime) - // EINTR is okay, the syscall was interrupted before timeout expired. - if err != nil && err != unix.EINTR { - select { - case w.Errors <- err: - case <-w.done: - break loop - } - continue - } - - // Flush the events we received to the Events channel - for len(kevents) > 0 { - kevent := &kevents[0] - watchfd := int(kevent.Ident) - mask := uint32(kevent.Fflags) - w.mu.Lock() - path := w.paths[watchfd] - w.mu.Unlock() - event := newEvent(path.name, mask) - - if path.isDir && !(event.Op&Remove == Remove) { - // Double check to make sure the directory exists. This can happen when - // we do a rm -fr on a recursively watched folders and we receive a - // modification event first but the folder has been deleted and later - // receive the delete event - if _, err := os.Lstat(event.Name); os.IsNotExist(err) { - // mark is as delete event - event.Op |= Remove - } - } - - if event.Op&Rename == Rename || event.Op&Remove == Remove { - w.Remove(event.Name) - w.mu.Lock() - delete(w.fileExists, event.Name) - w.mu.Unlock() - } - - if path.isDir && event.Op&Write == Write && !(event.Op&Remove == Remove) { - w.sendDirectoryChangeEvents(event.Name) - } else { - // Send the event on the Events channel. - select { - case w.Events <- event: - case <-w.done: - break loop - } - } - - if event.Op&Remove == Remove { - // Look for a file that may have overwritten this. - // For example, mv f1 f2 will delete f2, then create f2. - if path.isDir { - fileDir := filepath.Clean(event.Name) - w.mu.Lock() - _, found := w.watches[fileDir] - w.mu.Unlock() - if found { - // make sure the directory exists before we watch for changes. When we - // do a recursive watch and perform rm -fr, the parent directory might - // have gone missing, ignore the missing directory and let the - // upcoming delete event remove the watch from the parent directory. - if _, err := os.Lstat(fileDir); err == nil { - w.sendDirectoryChangeEvents(fileDir) - } - } - } else { - filePath := filepath.Clean(event.Name) - if fileInfo, err := os.Lstat(filePath); err == nil { - w.sendFileCreatedEventIfNew(filePath, fileInfo) - } - } - } - - // Move to next event - kevents = kevents[1:] - } - } - - // cleanup - err := unix.Close(w.kq) - if err != nil { - // only way the previous loop breaks is if w.done was closed so we need to async send to w.Errors. - select { - case w.Errors <- err: - default: - } - } - close(w.Events) - close(w.Errors) -} - -// newEvent returns an platform-independent Event based on kqueue Fflags. -func newEvent(name string, mask uint32) Event { - e := Event{Name: name} - if mask&unix.NOTE_DELETE == unix.NOTE_DELETE { - e.Op |= Remove - } - if mask&unix.NOTE_WRITE == unix.NOTE_WRITE { - e.Op |= Write - } - if mask&unix.NOTE_RENAME == unix.NOTE_RENAME { - e.Op |= Rename - } - if mask&unix.NOTE_ATTRIB == unix.NOTE_ATTRIB { - e.Op |= Chmod - } - return e -} - -func newCreateEvent(name string) Event { - return Event{Name: name, Op: Create} -} - -// watchDirectoryFiles to mimic inotify when adding a watch on a directory -func (w *Watcher) watchDirectoryFiles(dirPath string) error { - // Get all files - files, err := ioutil.ReadDir(dirPath) - if err != nil { - return err - } - - for _, fileInfo := range files { - filePath := filepath.Join(dirPath, fileInfo.Name()) - filePath, err = w.internalWatch(filePath, fileInfo) - if err != nil { - return err - } - - w.mu.Lock() - w.fileExists[filePath] = true - w.mu.Unlock() - } - - return nil -} - -// sendDirectoryEvents searches the directory for newly created files -// and sends them over the event channel. This functionality is to have -// the BSD version of fsnotify match Linux inotify which provides a -// create event for files created in a watched directory. -func (w *Watcher) sendDirectoryChangeEvents(dirPath string) { - // Get all files - files, err := ioutil.ReadDir(dirPath) - if err != nil { - select { - case w.Errors <- err: - case <-w.done: - return - } - } - - // Search for new files - for _, fileInfo := range files { - filePath := filepath.Join(dirPath, fileInfo.Name()) - err := w.sendFileCreatedEventIfNew(filePath, fileInfo) - - if err != nil { - return - } - } -} - -// sendFileCreatedEvent sends a create event if the file isn't already being tracked. -func (w *Watcher) sendFileCreatedEventIfNew(filePath string, fileInfo os.FileInfo) (err error) { - w.mu.Lock() - _, doesExist := w.fileExists[filePath] - w.mu.Unlock() - if !doesExist { - // Send create event - select { - case w.Events <- newCreateEvent(filePath): - case <-w.done: - return - } - } - - // like watchDirectoryFiles (but without doing another ReadDir) - filePath, err = w.internalWatch(filePath, fileInfo) - if err != nil { - return err - } - - w.mu.Lock() - w.fileExists[filePath] = true - w.mu.Unlock() - - return nil -} - -func (w *Watcher) internalWatch(name string, fileInfo os.FileInfo) (string, error) { - if fileInfo.IsDir() { - // mimic Linux providing delete events for subdirectories - // but preserve the flags used if currently watching subdirectory - w.mu.Lock() - flags := w.dirFlags[name] - w.mu.Unlock() - - flags |= unix.NOTE_DELETE | unix.NOTE_RENAME - return w.addWatch(name, flags) - } - - // watch file to mimic Linux inotify - return w.addWatch(name, noteAllEvents) -} - -// kqueue creates a new kernel event queue and returns a descriptor. -func kqueue() (kq int, err error) { - kq, err = unix.Kqueue() - if kq == -1 { - return kq, err - } - return kq, nil -} - -// register events with the queue -func register(kq int, fds []int, flags int, fflags uint32) error { - changes := make([]unix.Kevent_t, len(fds)) - - for i, fd := range fds { - // SetKevent converts int to the platform-specific types: - unix.SetKevent(&changes[i], fd, unix.EVFILT_VNODE, flags) - changes[i].Fflags = fflags - } - - // register the events - success, err := unix.Kevent(kq, changes, nil, nil) - if success == -1 { - return err - } - return nil -} - -// read retrieves pending events, or waits until an event occurs. -// A timeout of nil blocks indefinitely, while 0 polls the queue. -func read(kq int, events []unix.Kevent_t, timeout *unix.Timespec) ([]unix.Kevent_t, error) { - n, err := unix.Kevent(kq, nil, events, timeout) - if err != nil { - return nil, err - } - return events[0:n], nil -} - -// durationToTimespec prepares a timeout value -func durationToTimespec(d time.Duration) unix.Timespec { - return unix.NsecToTimespec(d.Nanoseconds()) -} diff --git a/vendor/github.com/fsnotify/fsnotify/mkdoc.zsh b/vendor/github.com/fsnotify/fsnotify/mkdoc.zsh new file mode 100644 index 0000000..b09ef76 --- /dev/null +++ b/vendor/github.com/fsnotify/fsnotify/mkdoc.zsh @@ -0,0 +1,208 @@ +#!/usr/bin/env zsh +[ "${ZSH_VERSION:-}" = "" ] && echo >&2 "Only works with zsh" && exit 1 +setopt err_exit no_unset pipefail extended_glob + +# Simple script to update the godoc comments on all watchers. Probably took me +# more time to write this than doing it manually, but ah well 🙃 + +watcher=$(</tmp/x + print -r -- $cmt >>/tmp/x + tail -n+$(( end + 1 )) $file >>/tmp/x + mv /tmp/x $file + done +} + +set-cmt '^type Watcher struct ' $watcher +set-cmt '^func NewWatcher(' $new +set-cmt '^func (w \*Watcher) Add(' $add +set-cmt '^func (w \*Watcher) Remove(' $remove +set-cmt '^func (w \*Watcher) Close(' $close +set-cmt '^func (w \*Watcher) WatchList(' $watchlist +set-cmt '^[[:space:]]*Events *chan Event$' $events +set-cmt '^[[:space:]]*Errors *chan error$' $errors diff --git a/vendor/github.com/fsnotify/fsnotify/open_mode_bsd.go b/vendor/github.com/fsnotify/fsnotify/system_bsd.go similarity index 57% rename from vendor/github.com/fsnotify/fsnotify/open_mode_bsd.go rename to vendor/github.com/fsnotify/fsnotify/system_bsd.go index 36cc384..4322b0b 100644 --- a/vendor/github.com/fsnotify/fsnotify/open_mode_bsd.go +++ b/vendor/github.com/fsnotify/fsnotify/system_bsd.go @@ -1,7 +1,3 @@ -// Copyright 2013 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. - //go:build freebsd || openbsd || netbsd || dragonfly // +build freebsd openbsd netbsd dragonfly diff --git a/vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go b/vendor/github.com/fsnotify/fsnotify/system_darwin.go similarity index 52% rename from vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go rename to vendor/github.com/fsnotify/fsnotify/system_darwin.go index 98cd847..5da5ffa 100644 --- a/vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go +++ b/vendor/github.com/fsnotify/fsnotify/system_darwin.go @@ -1,7 +1,3 @@ -// Copyright 2013 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. - //go:build darwin // +build darwin diff --git a/vendor/github.com/fsnotify/fsnotify/windows.go b/vendor/github.com/fsnotify/fsnotify/windows.go deleted file mode 100644 index 02ce7de..0000000 --- a/vendor/github.com/fsnotify/fsnotify/windows.go +++ /dev/null @@ -1,586 +0,0 @@ -// Copyright 2011 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. - -//go:build windows -// +build windows - -package fsnotify - -import ( - "errors" - "fmt" - "os" - "path/filepath" - "reflect" - "runtime" - "sync" - "syscall" - "unsafe" -) - -// Watcher watches a set of files, delivering events to a channel. -type Watcher struct { - Events chan Event - Errors chan error - isClosed bool // Set to true when Close() is first called - mu sync.Mutex // Map access - port syscall.Handle // Handle to completion port - watches watchMap // Map of watches (key: i-number) - input chan *input // Inputs to the reader are sent on this channel - quit chan chan<- error -} - -// NewWatcher establishes a new watcher with the underlying OS and begins waiting for events. -func NewWatcher() (*Watcher, error) { - port, e := syscall.CreateIoCompletionPort(syscall.InvalidHandle, 0, 0, 0) - if e != nil { - return nil, os.NewSyscallError("CreateIoCompletionPort", e) - } - w := &Watcher{ - port: port, - watches: make(watchMap), - input: make(chan *input, 1), - Events: make(chan Event, 50), - Errors: make(chan error), - quit: make(chan chan<- error, 1), - } - go w.readEvents() - return w, nil -} - -// Close removes all watches and closes the events channel. -func (w *Watcher) Close() error { - if w.isClosed { - return nil - } - w.isClosed = true - - // Send "quit" message to the reader goroutine - ch := make(chan error) - w.quit <- ch - if err := w.wakeupReader(); err != nil { - return err - } - return <-ch -} - -// Add starts watching the named file or directory (non-recursively). -func (w *Watcher) Add(name string) error { - if w.isClosed { - return errors.New("watcher already closed") - } - in := &input{ - op: opAddWatch, - path: filepath.Clean(name), - flags: sysFSALLEVENTS, - reply: make(chan error), - } - w.input <- in - if err := w.wakeupReader(); err != nil { - return err - } - return <-in.reply -} - -// Remove stops watching the the named file or directory (non-recursively). -func (w *Watcher) Remove(name string) error { - in := &input{ - op: opRemoveWatch, - path: filepath.Clean(name), - reply: make(chan error), - } - w.input <- in - if err := w.wakeupReader(); err != nil { - return err - } - return <-in.reply -} - -// WatchList returns the directories and files that are being monitered. -func (w *Watcher) WatchList() []string { - w.mu.Lock() - defer w.mu.Unlock() - - entries := make([]string, 0, len(w.watches)) - for _, entry := range w.watches { - for _, watchEntry := range entry { - entries = append(entries, watchEntry.path) - } - } - - return entries -} - -const ( - // Options for AddWatch - sysFSONESHOT = 0x80000000 - sysFSONLYDIR = 0x1000000 - - // Events - sysFSACCESS = 0x1 - sysFSALLEVENTS = 0xfff - sysFSATTRIB = 0x4 - sysFSCLOSE = 0x18 - sysFSCREATE = 0x100 - sysFSDELETE = 0x200 - sysFSDELETESELF = 0x400 - sysFSMODIFY = 0x2 - sysFSMOVE = 0xc0 - sysFSMOVEDFROM = 0x40 - sysFSMOVEDTO = 0x80 - sysFSMOVESELF = 0x800 - - // Special events - sysFSIGNORED = 0x8000 - sysFSQOVERFLOW = 0x4000 -) - -func newEvent(name string, mask uint32) Event { - e := Event{Name: name} - if mask&sysFSCREATE == sysFSCREATE || mask&sysFSMOVEDTO == sysFSMOVEDTO { - e.Op |= Create - } - if mask&sysFSDELETE == sysFSDELETE || mask&sysFSDELETESELF == sysFSDELETESELF { - e.Op |= Remove - } - if mask&sysFSMODIFY == sysFSMODIFY { - e.Op |= Write - } - if mask&sysFSMOVE == sysFSMOVE || mask&sysFSMOVESELF == sysFSMOVESELF || mask&sysFSMOVEDFROM == sysFSMOVEDFROM { - e.Op |= Rename - } - if mask&sysFSATTRIB == sysFSATTRIB { - e.Op |= Chmod - } - return e -} - -const ( - opAddWatch = iota - opRemoveWatch -) - -const ( - provisional uint64 = 1 << (32 + iota) -) - -type input struct { - op int - path string - flags uint32 - reply chan error -} - -type inode struct { - handle syscall.Handle - volume uint32 - index uint64 -} - -type watch struct { - ov syscall.Overlapped - ino *inode // i-number - path string // Directory path - mask uint64 // Directory itself is being watched with these notify flags - names map[string]uint64 // Map of names being watched and their notify flags - rename string // Remembers the old name while renaming a file - buf [4096]byte -} - -type indexMap map[uint64]*watch -type watchMap map[uint32]indexMap - -func (w *Watcher) wakeupReader() error { - e := syscall.PostQueuedCompletionStatus(w.port, 0, 0, nil) - if e != nil { - return os.NewSyscallError("PostQueuedCompletionStatus", e) - } - return nil -} - -func getDir(pathname string) (dir string, err error) { - attr, e := syscall.GetFileAttributes(syscall.StringToUTF16Ptr(pathname)) - if e != nil { - return "", os.NewSyscallError("GetFileAttributes", e) - } - if attr&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 { - dir = pathname - } else { - dir, _ = filepath.Split(pathname) - dir = filepath.Clean(dir) - } - return -} - -func getIno(path string) (ino *inode, err error) { - h, e := syscall.CreateFile(syscall.StringToUTF16Ptr(path), - syscall.FILE_LIST_DIRECTORY, - syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE, - nil, syscall.OPEN_EXISTING, - syscall.FILE_FLAG_BACKUP_SEMANTICS|syscall.FILE_FLAG_OVERLAPPED, 0) - if e != nil { - return nil, os.NewSyscallError("CreateFile", e) - } - var fi syscall.ByHandleFileInformation - if e = syscall.GetFileInformationByHandle(h, &fi); e != nil { - syscall.CloseHandle(h) - return nil, os.NewSyscallError("GetFileInformationByHandle", e) - } - ino = &inode{ - handle: h, - volume: fi.VolumeSerialNumber, - index: uint64(fi.FileIndexHigh)<<32 | uint64(fi.FileIndexLow), - } - return ino, nil -} - -// Must run within the I/O thread. -func (m watchMap) get(ino *inode) *watch { - if i := m[ino.volume]; i != nil { - return i[ino.index] - } - return nil -} - -// Must run within the I/O thread. -func (m watchMap) set(ino *inode, watch *watch) { - i := m[ino.volume] - if i == nil { - i = make(indexMap) - m[ino.volume] = i - } - i[ino.index] = watch -} - -// Must run within the I/O thread. -func (w *Watcher) addWatch(pathname string, flags uint64) error { - dir, err := getDir(pathname) - if err != nil { - return err - } - if flags&sysFSONLYDIR != 0 && pathname != dir { - return nil - } - ino, err := getIno(dir) - if err != nil { - return err - } - w.mu.Lock() - watchEntry := w.watches.get(ino) - w.mu.Unlock() - if watchEntry == nil { - if _, e := syscall.CreateIoCompletionPort(ino.handle, w.port, 0, 0); e != nil { - syscall.CloseHandle(ino.handle) - return os.NewSyscallError("CreateIoCompletionPort", e) - } - watchEntry = &watch{ - ino: ino, - path: dir, - names: make(map[string]uint64), - } - w.mu.Lock() - w.watches.set(ino, watchEntry) - w.mu.Unlock() - flags |= provisional - } else { - syscall.CloseHandle(ino.handle) - } - if pathname == dir { - watchEntry.mask |= flags - } else { - watchEntry.names[filepath.Base(pathname)] |= flags - } - if err = w.startRead(watchEntry); err != nil { - return err - } - if pathname == dir { - watchEntry.mask &= ^provisional - } else { - watchEntry.names[filepath.Base(pathname)] &= ^provisional - } - return nil -} - -// Must run within the I/O thread. -func (w *Watcher) remWatch(pathname string) error { - dir, err := getDir(pathname) - if err != nil { - return err - } - ino, err := getIno(dir) - if err != nil { - return err - } - w.mu.Lock() - watch := w.watches.get(ino) - w.mu.Unlock() - if watch == nil { - return fmt.Errorf("can't remove non-existent watch for: %s", pathname) - } - if pathname == dir { - w.sendEvent(watch.path, watch.mask&sysFSIGNORED) - watch.mask = 0 - } else { - name := filepath.Base(pathname) - w.sendEvent(filepath.Join(watch.path, name), watch.names[name]&sysFSIGNORED) - delete(watch.names, name) - } - return w.startRead(watch) -} - -// Must run within the I/O thread. -func (w *Watcher) deleteWatch(watch *watch) { - for name, mask := range watch.names { - if mask&provisional == 0 { - w.sendEvent(filepath.Join(watch.path, name), mask&sysFSIGNORED) - } - delete(watch.names, name) - } - if watch.mask != 0 { - if watch.mask&provisional == 0 { - w.sendEvent(watch.path, watch.mask&sysFSIGNORED) - } - watch.mask = 0 - } -} - -// Must run within the I/O thread. -func (w *Watcher) startRead(watch *watch) error { - if e := syscall.CancelIo(watch.ino.handle); e != nil { - w.Errors <- os.NewSyscallError("CancelIo", e) - w.deleteWatch(watch) - } - mask := toWindowsFlags(watch.mask) - for _, m := range watch.names { - mask |= toWindowsFlags(m) - } - if mask == 0 { - if e := syscall.CloseHandle(watch.ino.handle); e != nil { - w.Errors <- os.NewSyscallError("CloseHandle", e) - } - w.mu.Lock() - delete(w.watches[watch.ino.volume], watch.ino.index) - w.mu.Unlock() - return nil - } - e := syscall.ReadDirectoryChanges(watch.ino.handle, &watch.buf[0], - uint32(unsafe.Sizeof(watch.buf)), false, mask, nil, &watch.ov, 0) - if e != nil { - err := os.NewSyscallError("ReadDirectoryChanges", e) - if e == syscall.ERROR_ACCESS_DENIED && watch.mask&provisional == 0 { - // Watched directory was probably removed - if w.sendEvent(watch.path, watch.mask&sysFSDELETESELF) { - if watch.mask&sysFSONESHOT != 0 { - watch.mask = 0 - } - } - err = nil - } - w.deleteWatch(watch) - w.startRead(watch) - return err - } - return nil -} - -// readEvents reads from the I/O completion port, converts the -// received events into Event objects and sends them via the Events channel. -// Entry point to the I/O thread. -func (w *Watcher) readEvents() { - var ( - n, key uint32 - ov *syscall.Overlapped - ) - runtime.LockOSThread() - - for { - e := syscall.GetQueuedCompletionStatus(w.port, &n, &key, &ov, syscall.INFINITE) - watch := (*watch)(unsafe.Pointer(ov)) - - if watch == nil { - select { - case ch := <-w.quit: - w.mu.Lock() - var indexes []indexMap - for _, index := range w.watches { - indexes = append(indexes, index) - } - w.mu.Unlock() - for _, index := range indexes { - for _, watch := range index { - w.deleteWatch(watch) - w.startRead(watch) - } - } - var err error - if e := syscall.CloseHandle(w.port); e != nil { - err = os.NewSyscallError("CloseHandle", e) - } - close(w.Events) - close(w.Errors) - ch <- err - return - case in := <-w.input: - switch in.op { - case opAddWatch: - in.reply <- w.addWatch(in.path, uint64(in.flags)) - case opRemoveWatch: - in.reply <- w.remWatch(in.path) - } - default: - } - continue - } - - switch e { - case syscall.ERROR_MORE_DATA: - if watch == nil { - w.Errors <- errors.New("ERROR_MORE_DATA has unexpectedly null lpOverlapped buffer") - } else { - // The i/o succeeded but the buffer is full. - // In theory we should be building up a full packet. - // In practice we can get away with just carrying on. - n = uint32(unsafe.Sizeof(watch.buf)) - } - case syscall.ERROR_ACCESS_DENIED: - // Watched directory was probably removed - w.sendEvent(watch.path, watch.mask&sysFSDELETESELF) - w.deleteWatch(watch) - w.startRead(watch) - continue - case syscall.ERROR_OPERATION_ABORTED: - // CancelIo was called on this handle - continue - default: - w.Errors <- os.NewSyscallError("GetQueuedCompletionPort", e) - continue - case nil: - } - - var offset uint32 - for { - if n == 0 { - w.Events <- newEvent("", sysFSQOVERFLOW) - w.Errors <- errors.New("short read in readEvents()") - break - } - - // Point "raw" to the event in the buffer - raw := (*syscall.FileNotifyInformation)(unsafe.Pointer(&watch.buf[offset])) - // TODO: Consider using unsafe.Slice that is available from go1.17 - // https://stackoverflow.com/questions/51187973/how-to-create-an-array-or-a-slice-from-an-array-unsafe-pointer-in-golang - // instead of using a fixed syscall.MAX_PATH buf, we create a buf that is the size of the path name - size := int(raw.FileNameLength / 2) - var buf []uint16 - sh := (*reflect.SliceHeader)(unsafe.Pointer(&buf)) - sh.Data = uintptr(unsafe.Pointer(&raw.FileName)) - sh.Len = size - sh.Cap = size - name := syscall.UTF16ToString(buf) - fullname := filepath.Join(watch.path, name) - - var mask uint64 - switch raw.Action { - case syscall.FILE_ACTION_REMOVED: - mask = sysFSDELETESELF - case syscall.FILE_ACTION_MODIFIED: - mask = sysFSMODIFY - case syscall.FILE_ACTION_RENAMED_OLD_NAME: - watch.rename = name - case syscall.FILE_ACTION_RENAMED_NEW_NAME: - if watch.names[watch.rename] != 0 { - watch.names[name] |= watch.names[watch.rename] - delete(watch.names, watch.rename) - mask = sysFSMOVESELF - } - } - - sendNameEvent := func() { - if w.sendEvent(fullname, watch.names[name]&mask) { - if watch.names[name]&sysFSONESHOT != 0 { - delete(watch.names, name) - } - } - } - if raw.Action != syscall.FILE_ACTION_RENAMED_NEW_NAME { - sendNameEvent() - } - if raw.Action == syscall.FILE_ACTION_REMOVED { - w.sendEvent(fullname, watch.names[name]&sysFSIGNORED) - delete(watch.names, name) - } - if w.sendEvent(fullname, watch.mask&toFSnotifyFlags(raw.Action)) { - if watch.mask&sysFSONESHOT != 0 { - watch.mask = 0 - } - } - if raw.Action == syscall.FILE_ACTION_RENAMED_NEW_NAME { - fullname = filepath.Join(watch.path, watch.rename) - sendNameEvent() - } - - // Move to the next event in the buffer - if raw.NextEntryOffset == 0 { - break - } - offset += raw.NextEntryOffset - - // Error! - if offset >= n { - w.Errors <- errors.New("Windows system assumed buffer larger than it is, events have likely been missed.") - break - } - } - - if err := w.startRead(watch); err != nil { - w.Errors <- err - } - } -} - -func (w *Watcher) sendEvent(name string, mask uint64) bool { - if mask == 0 { - return false - } - event := newEvent(name, uint32(mask)) - select { - case ch := <-w.quit: - w.quit <- ch - case w.Events <- event: - } - return true -} - -func toWindowsFlags(mask uint64) uint32 { - var m uint32 - if mask&sysFSACCESS != 0 { - m |= syscall.FILE_NOTIFY_CHANGE_LAST_ACCESS - } - if mask&sysFSMODIFY != 0 { - m |= syscall.FILE_NOTIFY_CHANGE_LAST_WRITE - } - if mask&sysFSATTRIB != 0 { - m |= syscall.FILE_NOTIFY_CHANGE_ATTRIBUTES - } - if mask&(sysFSMOVE|sysFSCREATE|sysFSDELETE) != 0 { - m |= syscall.FILE_NOTIFY_CHANGE_FILE_NAME | syscall.FILE_NOTIFY_CHANGE_DIR_NAME - } - return m -} - -func toFSnotifyFlags(action uint32) uint64 { - switch action { - case syscall.FILE_ACTION_ADDED: - return sysFSCREATE - case syscall.FILE_ACTION_REMOVED: - return sysFSDELETE - case syscall.FILE_ACTION_MODIFIED: - return sysFSMODIFY - case syscall.FILE_ACTION_RENAMED_OLD_NAME: - return sysFSMOVEDFROM - case syscall.FILE_ACTION_RENAMED_NEW_NAME: - return sysFSMOVEDTO - } - return 0 -} diff --git a/vendor/github.com/gravitational/trace/README.md b/vendor/github.com/gravitational/trace/README.md index 800ef07..e4fcd1b 100644 --- a/vendor/github.com/gravitational/trace/README.md +++ b/vendor/github.com/gravitational/trace/README.md @@ -1,13 +1,13 @@ # Trace [![GoDoc](https://godoc.org/github.com/gravitational/trace?status.png)](https://godoc.org/github.com/gravitational/trace) - +![Test workflow](https://github.com/gravitational/trace/actions/workflows/test.yaml/badge.svg?branch=master) Package for error handling and error reporting Read more here: -http://gravitational.com/blog/golang_error_handling/ +https://goteleport.com/blog/golang-error-handling/ ### Capture file, line and function diff --git a/vendor/github.com/gravitational/trace/trace.go b/vendor/github.com/gravitational/trace/trace.go index ba7f40e..15b1313 100644 --- a/vendor/github.com/gravitational/trace/trace.go +++ b/vendor/github.com/gravitational/trace/trace.go @@ -61,7 +61,7 @@ func Wrap(err error, args ...interface{}) Error { trace = newTrace(err, 2) } if len(args) > 0 { - trace = trace.AddUserMessage(args[0], args[1:]...) + trace = WithUserMessage(trace, args[0], args[1:]...) } return trace } @@ -172,8 +172,7 @@ func WrapWithMessage(err error, message interface{}, args ...interface{}) Error } else { trace = newTrace(err, 2) } - trace.AddUserMessage(message, args...) - return trace + return WithUserMessage(trace, message, args...) } // Errorf is similar to fmt.Errorf except that it captures @@ -254,31 +253,29 @@ type RawTrace struct { Fields map[string]interface{} `json:"fields,omitempty"` } -// AddUserMessage adds user-friendly message describing the error nature -func (e *TraceErr) AddUserMessage(formatArg interface{}, rest ...interface{}) *TraceErr { - newMessage := fmt.Sprintf(fmt.Sprintf("%v", formatArg), rest...) - e.Messages = append(e.Messages, newMessage) - return e -} +func (e *TraceErr) Clone() *TraceErr { + if e == nil { + return nil + } -// AddFields adds the given map of fields to the error being reported -func (e *TraceErr) AddFields(fields map[string]interface{}) *TraceErr { - if e.Fields == nil { - e.Fields = make(map[string]interface{}, len(fields)) + tr := &TraceErr{ + Err: e.Err, + Traces: e.Traces, + Message: e.Message, } - for k, v := range fields { - e.Fields[k] = v + + if e.Messages != nil { + tr.Messages = append([]string{}, e.Messages...) } - return e -} -// AddField adds a single field to the error wrapper as context for the error -func (e *TraceErr) AddField(k string, v interface{}) *TraceErr { - if e.Fields == nil { - e.Fields = make(map[string]interface{}, 1) + if e.Fields != nil { + tr.Fields = make(map[string]interface{}, len(e.Fields)) + for k, v := range e.Fields { + tr.Fields[k] = v + } } - e.Fields[k] = v - return e + + return tr } // UserMessage returns user-friendly error message @@ -356,7 +353,7 @@ func (e *TraceErr) OrigError() error { } // GoString formats this trace object for use with -// with the "%#v" format string +// the "%#v" format string func (e *TraceErr) GoString() string { return e.DebugReport() } @@ -375,21 +372,48 @@ type Error interface { DebugReporter UserMessager - // AddUserMessage adds formatted user-facing message - // to the error, depends on the implementation, - // usually works as fmt.Sprintf(formatArg, rest...) - // but implementations can choose another way, e.g. treat - // arguments as structured args - AddUserMessage(formatArg interface{}, rest ...interface{}) *TraceErr + // GetFields returns any fields that have been added to the error + GetFields() map[string]interface{} + + // Clone returns a copy of the current Error. + Clone() *TraceErr +} - // AddField adds additional field information to the error - AddField(key string, value interface{}) *TraceErr +// WithUserMessage adds formatted user-facing message +// to the error, depends on the implementation, +// usually works as fmt.Sprintf(formatArg, rest...) +// but implementations can choose another way, e.g. treat +// arguments as structured args. +func WithUserMessage(err Error, formatArg interface{}, rest ...interface{}) *TraceErr { + errCopy := err.Clone() - // AddFields adds a map of additional fields to the error - AddFields(fields map[string]interface{}) *TraceErr + newMessage := fmt.Sprintf(fmt.Sprintf("%v", formatArg), rest...) + errCopy.Messages = append(errCopy.Messages, newMessage) + return errCopy +} - // GetFields returns any fields that have been added to the error - GetFields() map[string]interface{} +// WithField adds additional field information to the error. +func WithField(err Error, key string, value interface{}) *TraceErr { + errCopy := err.Clone() + + if errCopy.Fields == nil { + errCopy.Fields = make(map[string]interface{}, 1) + } + errCopy.Fields[key] = value + return errCopy +} + +// WithFields adds a map of additional fields to the error +func WithFields(err Error, fields map[string]interface{}) *TraceErr { + errCopy := err.Clone() + + if errCopy.Fields == nil { + errCopy.Fields = make(map[string]interface{}, len(fields)) + } + for k, v := range fields { + errCopy.Fields[k] = v + } + return errCopy } // NewAggregate creates a new aggregate instance from the specified diff --git a/vendor/github.com/prometheus/procfs/Makefile.common b/vendor/github.com/prometheus/procfs/Makefile.common index 6c8e3e2..e358db6 100644 --- a/vendor/github.com/prometheus/procfs/Makefile.common +++ b/vendor/github.com/prometheus/procfs/Makefile.common @@ -55,19 +55,22 @@ ifneq ($(shell which gotestsum),) endif endif -PROMU_VERSION ?= 0.13.0 +PROMU_VERSION ?= 0.14.0 PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz +SKIP_GOLANGCI_LINT := GOLANGCI_LINT := GOLANGCI_LINT_OPTS ?= -GOLANGCI_LINT_VERSION ?= v1.45.2 +GOLANGCI_LINT_VERSION ?= v1.49.0 # golangci-lint only supports linux, darwin and windows platforms on i386/amd64. # windows isn't included here because of the path separator being different. ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin)) ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386)) # If we're in CI and there is an Actions file, that means the linter # is being run in Actions, so we don't need to run it here. - ifeq (,$(CIRCLE_JOB)) + ifneq (,$(SKIP_GOLANGCI_LINT)) + GOLANGCI_LINT := + else ifeq (,$(CIRCLE_JOB)) GOLANGCI_LINT := $(FIRST_GOPATH)/bin/golangci-lint else ifeq (,$(wildcard .github/workflows/golangci-lint.yml)) GOLANGCI_LINT := $(FIRST_GOPATH)/bin/golangci-lint diff --git a/vendor/github.com/prometheus/procfs/cpuinfo.go b/vendor/github.com/prometheus/procfs/cpuinfo.go index ff6b927..06968ca 100644 --- a/vendor/github.com/prometheus/procfs/cpuinfo.go +++ b/vendor/github.com/prometheus/procfs/cpuinfo.go @@ -380,6 +380,42 @@ func parseCPUInfoMips(info []byte) ([]CPUInfo, error) { return cpuinfo, nil } +func parseCPUInfoLoong(info []byte) ([]CPUInfo, error) { + scanner := bufio.NewScanner(bytes.NewReader(info)) + // find the first "processor" line + firstLine := firstNonEmptyLine(scanner) + if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") { + return nil, errors.New("invalid cpuinfo file: " + firstLine) + } + field := strings.SplitN(firstLine, ": ", 2) + cpuinfo := []CPUInfo{} + systemType := field[1] + i := 0 + for scanner.Scan() { + line := scanner.Text() + if !strings.Contains(line, ":") { + continue + } + field := strings.SplitN(line, ": ", 2) + switch strings.TrimSpace(field[0]) { + case "processor": + v, err := strconv.ParseUint(field[1], 0, 32) + if err != nil { + return nil, err + } + i = int(v) + cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor + cpuinfo[i].Processor = uint(v) + cpuinfo[i].VendorID = systemType + case "CPU Family": + cpuinfo[i].CPUFamily = field[1] + case "Model Name": + cpuinfo[i].ModelName = field[1] + } + } + return cpuinfo, nil +} + func parseCPUInfoPPC(info []byte) ([]CPUInfo, error) { scanner := bufio.NewScanner(bytes.NewReader(info)) diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_loong64.go b/vendor/github.com/prometheus/procfs/cpuinfo_loong64.go new file mode 100644 index 0000000..d88442f --- /dev/null +++ b/vendor/github.com/prometheus/procfs/cpuinfo_loong64.go @@ -0,0 +1,19 @@ +// Copyright 2022 The Prometheus 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. + +//go:build linux +// +build linux + +package procfs + +var parseCPUInfo = parseCPUInfoLoong diff --git a/vendor/github.com/prometheus/procfs/cpuinfo_others.go b/vendor/github.com/prometheus/procfs/cpuinfo_others.go index ea41bf2..a6b2b31 100644 --- a/vendor/github.com/prometheus/procfs/cpuinfo_others.go +++ b/vendor/github.com/prometheus/procfs/cpuinfo_others.go @@ -11,8 +11,8 @@ // See the License for the specific language governing permissions and // limitations under the License. -//go:build linux && !386 && !amd64 && !arm && !arm64 && !mips && !mips64 && !mips64le && !mipsle && !ppc64 && !ppc64le && !riscv64 && !s390x -// +build linux,!386,!amd64,!arm,!arm64,!mips,!mips64,!mips64le,!mipsle,!ppc64,!ppc64le,!riscv64,!s390x +//go:build linux && !386 && !amd64 && !arm && !arm64 && !loong64 && !mips && !mips64 && !mips64le && !mipsle && !ppc64 && !ppc64le && !riscv64 && !s390x +// +build linux,!386,!amd64,!arm,!arm64,!loong64,!mips,!mips64,!mips64le,!mipsle,!ppc64,!ppc64le,!riscv64,!s390x package procfs diff --git a/vendor/github.com/prometheus/procfs/doc.go b/vendor/github.com/prometheus/procfs/doc.go index d31a826..f9d961e 100644 --- a/vendor/github.com/prometheus/procfs/doc.go +++ b/vendor/github.com/prometheus/procfs/doc.go @@ -16,30 +16,29 @@ // // Example: // -// package main -// -// import ( -// "fmt" -// "log" -// -// "github.com/prometheus/procfs" -// ) -// -// func main() { -// p, err := procfs.Self() -// if err != nil { -// log.Fatalf("could not get process: %s", err) -// } -// -// stat, err := p.Stat() -// if err != nil { -// log.Fatalf("could not get process stat: %s", err) -// } -// -// fmt.Printf("command: %s\n", stat.Comm) -// fmt.Printf("cpu time: %fs\n", stat.CPUTime()) -// fmt.Printf("vsize: %dB\n", stat.VirtualMemory()) -// fmt.Printf("rss: %dB\n", stat.ResidentMemory()) -// } -// +// package main +// +// import ( +// "fmt" +// "log" +// +// "github.com/prometheus/procfs" +// ) +// +// func main() { +// p, err := procfs.Self() +// if err != nil { +// log.Fatalf("could not get process: %s", err) +// } +// +// stat, err := p.Stat() +// if err != nil { +// log.Fatalf("could not get process stat: %s", err) +// } +// +// fmt.Printf("command: %s\n", stat.Comm) +// fmt.Printf("cpu time: %fs\n", stat.CPUTime()) +// fmt.Printf("vsize: %dB\n", stat.VirtualMemory()) +// fmt.Printf("rss: %dB\n", stat.ResidentMemory()) +// } package procfs diff --git a/vendor/github.com/prometheus/procfs/mountstats.go b/vendor/github.com/prometheus/procfs/mountstats.go index f7a828b..0c482c1 100644 --- a/vendor/github.com/prometheus/procfs/mountstats.go +++ b/vendor/github.com/prometheus/procfs/mountstats.go @@ -284,7 +284,8 @@ func parseMountStats(r io.Reader) ([]*Mount, error) { } // parseMount parses an entry in /proc/[pid]/mountstats in the format: -// device [device] mounted on [mount] with fstype [type] +// +// device [device] mounted on [mount] with fstype [type] func parseMount(ss []string) (*Mount, error) { if len(ss) < deviceEntryLen { return nil, fmt.Errorf("invalid device entry: %v", ss) diff --git a/vendor/github.com/prometheus/procfs/net_softnet.go b/vendor/github.com/prometheus/procfs/net_softnet.go index a94f86d..06b7b8f 100644 --- a/vendor/github.com/prometheus/procfs/net_softnet.go +++ b/vendor/github.com/prometheus/procfs/net_softnet.go @@ -27,8 +27,9 @@ import ( // For the proc file format details, // See: // * Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2343 -// * Linux 4.17 https://elixir.bootlin.com/linux/v4.17/source/net/core/net-procfs.c#L162 -// and https://elixir.bootlin.com/linux/v4.17/source/include/linux/netdevice.h#L2810. +// * Linux 2.6.39 https://elixir.bootlin.com/linux/v2.6.39/source/net/core/dev.c#L4086 +// * Linux 4.18 https://elixir.bootlin.com/linux/v4.18/source/net/core/net-procfs.c#L162 +// * Linux 5.14 https://elixir.bootlin.com/linux/v5.14/source/net/core/net-procfs.c#L169 // SoftnetStat contains a single row of data from /proc/net/softnet_stat. type SoftnetStat struct { @@ -38,6 +39,18 @@ type SoftnetStat struct { Dropped uint32 // Number of times processing packets ran out of quota. TimeSqueezed uint32 + // Number of collision occur while obtaining device lock while transmitting. + CPUCollision uint32 + // Number of times cpu woken up received_rps. + ReceivedRps uint32 + // number of times flow limit has been reached. + FlowLimitCount uint32 + // Softnet backlog status. + SoftnetBacklogLen uint32 + // CPU id owning this softnet_data. + Index uint32 + // softnet_data's Width. + Width int } var softNetProcFile = "net/softnet_stat" @@ -66,22 +79,57 @@ func parseSoftnet(r io.Reader) ([]SoftnetStat, error) { for s.Scan() { columns := strings.Fields(s.Text()) width := len(columns) + softnetStat := SoftnetStat{} if width < minColumns { return nil, fmt.Errorf("%d columns were detected, but at least %d were expected", width, minColumns) } - // We only parse the first three columns at the moment. - us, err := parseHexUint32s(columns[0:3]) - if err != nil { - return nil, err + // Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2347 + if width >= minColumns { + us, err := parseHexUint32s(columns[0:9]) + if err != nil { + return nil, err + } + + softnetStat.Processed = us[0] + softnetStat.Dropped = us[1] + softnetStat.TimeSqueezed = us[2] + softnetStat.CPUCollision = us[8] + } + + // Linux 2.6.39 https://elixir.bootlin.com/linux/v2.6.39/source/net/core/dev.c#L4086 + if width >= 10 { + us, err := parseHexUint32s(columns[9:10]) + if err != nil { + return nil, err + } + + softnetStat.ReceivedRps = us[0] } - stats = append(stats, SoftnetStat{ - Processed: us[0], - Dropped: us[1], - TimeSqueezed: us[2], - }) + // Linux 4.18 https://elixir.bootlin.com/linux/v4.18/source/net/core/net-procfs.c#L162 + if width >= 11 { + us, err := parseHexUint32s(columns[10:11]) + if err != nil { + return nil, err + } + + softnetStat.FlowLimitCount = us[0] + } + + // Linux 5.14 https://elixir.bootlin.com/linux/v5.14/source/net/core/net-procfs.c#L169 + if width >= 13 { + us, err := parseHexUint32s(columns[11:13]) + if err != nil { + return nil, err + } + + softnetStat.SoftnetBacklogLen = us[0] + softnetStat.Index = us[1] + } + softnetStat.Width = width + stats = append(stats, softnetStat) } return stats, nil diff --git a/vendor/github.com/prometheus/procfs/netstat.go b/vendor/github.com/prometheus/procfs/netstat.go index dcea9c5..5cc40ae 100644 --- a/vendor/github.com/prometheus/procfs/netstat.go +++ b/vendor/github.com/prometheus/procfs/netstat.go @@ -15,6 +15,7 @@ package procfs import ( "bufio" + "io" "os" "path/filepath" "strconv" @@ -42,27 +43,43 @@ func (fs FS) NetStat() ([]NetStat, error) { return nil, err } - netStatFile := NetStat{ - Filename: filepath.Base(filePath), - Stats: make(map[string][]uint64), + procNetstat, err := parseNetstat(file) + if err != nil { + return nil, err + } + procNetstat.Filename = filepath.Base(filePath) + + netStatsTotal = append(netStatsTotal, procNetstat) + } + return netStatsTotal, nil +} + +// parseNetstat parses the metrics from `/proc/net/stat/` file +// and returns a NetStat structure. +func parseNetstat(r io.Reader) (NetStat, error) { + var ( + scanner = bufio.NewScanner(r) + netStat = NetStat{ + Stats: make(map[string][]uint64), } - scanner := bufio.NewScanner(file) - scanner.Scan() - // First string is always a header for stats - var headers []string - headers = append(headers, strings.Fields(scanner.Text())...) + ) + + scanner.Scan() - // Other strings represent per-CPU counters - for scanner.Scan() { - for num, counter := range strings.Fields(scanner.Text()) { - value, err := strconv.ParseUint(counter, 16, 64) - if err != nil { - return nil, err - } - netStatFile.Stats[headers[num]] = append(netStatFile.Stats[headers[num]], value) + // First string is always a header for stats + var headers []string + headers = append(headers, strings.Fields(scanner.Text())...) + + // Other strings represent per-CPU counters + for scanner.Scan() { + for num, counter := range strings.Fields(scanner.Text()) { + value, err := strconv.ParseUint(counter, 16, 64) + if err != nil { + return NetStat{}, err } + netStat.Stats[headers[num]] = append(netStat.Stats[headers[num]], value) } - netStatsTotal = append(netStatsTotal, netStatFile) } - return netStatsTotal, nil + + return netStat, nil } diff --git a/vendor/github.com/prometheus/procfs/proc_cgroup.go b/vendor/github.com/prometheus/procfs/proc_cgroup.go index cca0332..ea83a75 100644 --- a/vendor/github.com/prometheus/procfs/proc_cgroup.go +++ b/vendor/github.com/prometheus/procfs/proc_cgroup.go @@ -23,7 +23,7 @@ import ( "github.com/prometheus/procfs/internal/util" ) -// Cgroup models one line from /proc/[pid]/cgroup. Each Cgroup struct describes the the placement of a PID inside a +// Cgroup models one line from /proc/[pid]/cgroup. Each Cgroup struct describes the placement of a PID inside a // specific control hierarchy. The kernel has two cgroup APIs, v1 and v2. v1 has one hierarchy per available resource // controller, while v2 has one unified hierarchy shared by all controllers. Regardless of v1 or v2, all hierarchies // contain all running processes, so the question answerable with a Cgroup struct is 'where is this process in diff --git a/vendor/github.com/prometheus/procfs/proc_interrupts.go b/vendor/github.com/prometheus/procfs/proc_interrupts.go new file mode 100644 index 0000000..9df79c2 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_interrupts.go @@ -0,0 +1,98 @@ +// Copyright 2022 The Prometheus 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 procfs + +import ( + "bufio" + "bytes" + "errors" + "fmt" + "io" + "strconv" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// Interrupt represents a single interrupt line. +type Interrupt struct { + // Info is the type of interrupt. + Info string + // Devices is the name of the device that is located at that IRQ + Devices string + // Values is the number of interrupts per CPU. + Values []string +} + +// Interrupts models the content of /proc/interrupts. Key is the IRQ number. +// - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/s2-proc-interrupts +// - https://raspberrypi.stackexchange.com/questions/105802/explanation-of-proc-interrupts-output +type Interrupts map[string]Interrupt + +// Interrupts creates a new instance from a given Proc instance. +func (p Proc) Interrupts() (Interrupts, error) { + data, err := util.ReadFileNoStat(p.path("interrupts")) + if err != nil { + return nil, err + } + return parseInterrupts(bytes.NewReader(data)) +} + +func parseInterrupts(r io.Reader) (Interrupts, error) { + var ( + interrupts = Interrupts{} + scanner = bufio.NewScanner(r) + ) + + if !scanner.Scan() { + return nil, errors.New("interrupts empty") + } + cpuNum := len(strings.Fields(scanner.Text())) // one header per cpu + + for scanner.Scan() { + parts := strings.Fields(scanner.Text()) + if len(parts) == 0 { // skip empty lines + continue + } + if len(parts) < 2 { + return nil, fmt.Errorf("not enough fields in interrupts (expected at least 2 fields but got %d): %s", len(parts), parts) + } + intName := parts[0][:len(parts[0])-1] // remove trailing : + + if len(parts) == 2 { + interrupts[intName] = Interrupt{ + Info: "", + Devices: "", + Values: []string{ + parts[1], + }, + } + continue + } + + intr := Interrupt{ + Values: parts[1 : cpuNum+1], + } + + if _, err := strconv.Atoi(intName); err == nil { // numeral interrupt + intr.Info = parts[cpuNum+1] + intr.Devices = strings.Join(parts[cpuNum+2:], " ") + } else { + intr.Info = strings.Join(parts[cpuNum+1:], " ") + } + interrupts[intName] = intr + } + + return interrupts, scanner.Err() +} diff --git a/vendor/github.com/prometheus/procfs/proc_netstat.go b/vendor/github.com/prometheus/procfs/proc_netstat.go index 48b5238..6a43bb2 100644 --- a/vendor/github.com/prometheus/procfs/proc_netstat.go +++ b/vendor/github.com/prometheus/procfs/proc_netstat.go @@ -33,139 +33,140 @@ type ProcNetstat struct { } type TcpExt struct { // nolint:revive - SyncookiesSent float64 - SyncookiesRecv float64 - SyncookiesFailed float64 - EmbryonicRsts float64 - PruneCalled float64 - RcvPruned float64 - OfoPruned float64 - OutOfWindowIcmps float64 - LockDroppedIcmps float64 - ArpFilter float64 - TW float64 - TWRecycled float64 - TWKilled float64 - PAWSActive float64 - PAWSEstab float64 - DelayedACKs float64 - DelayedACKLocked float64 - DelayedACKLost float64 - ListenOverflows float64 - ListenDrops float64 - TCPHPHits float64 - TCPPureAcks float64 - TCPHPAcks float64 - TCPRenoRecovery float64 - TCPSackRecovery float64 - TCPSACKReneging float64 - TCPSACKReorder float64 - TCPRenoReorder float64 - TCPTSReorder float64 - TCPFullUndo float64 - TCPPartialUndo float64 - TCPDSACKUndo float64 - TCPLossUndo float64 - TCPLostRetransmit float64 - TCPRenoFailures float64 - TCPSackFailures float64 - TCPLossFailures float64 - TCPFastRetrans float64 - TCPSlowStartRetrans float64 - TCPTimeouts float64 - TCPLossProbes float64 - TCPLossProbeRecovery float64 - TCPRenoRecoveryFail float64 - TCPSackRecoveryFail float64 - TCPRcvCollapsed float64 - TCPDSACKOldSent float64 - TCPDSACKOfoSent float64 - TCPDSACKRecv float64 - TCPDSACKOfoRecv float64 - TCPAbortOnData float64 - TCPAbortOnClose float64 - TCPAbortOnMemory float64 - TCPAbortOnTimeout float64 - TCPAbortOnLinger float64 - TCPAbortFailed float64 - TCPMemoryPressures float64 - TCPMemoryPressuresChrono float64 - TCPSACKDiscard float64 - TCPDSACKIgnoredOld float64 - TCPDSACKIgnoredNoUndo float64 - TCPSpuriousRTOs float64 - TCPMD5NotFound float64 - TCPMD5Unexpected float64 - TCPMD5Failure float64 - TCPSackShifted float64 - TCPSackMerged float64 - TCPSackShiftFallback float64 - TCPBacklogDrop float64 - PFMemallocDrop float64 - TCPMinTTLDrop float64 - TCPDeferAcceptDrop float64 - IPReversePathFilter float64 - TCPTimeWaitOverflow float64 - TCPReqQFullDoCookies float64 - TCPReqQFullDrop float64 - TCPRetransFail float64 - TCPRcvCoalesce float64 - TCPOFOQueue float64 - TCPOFODrop float64 - TCPOFOMerge float64 - TCPChallengeACK float64 - TCPSYNChallenge float64 - TCPFastOpenActive float64 - TCPFastOpenActiveFail float64 - TCPFastOpenPassive float64 - TCPFastOpenPassiveFail float64 - TCPFastOpenListenOverflow float64 - TCPFastOpenCookieReqd float64 - TCPFastOpenBlackhole float64 - TCPSpuriousRtxHostQueues float64 - BusyPollRxPackets float64 - TCPAutoCorking float64 - TCPFromZeroWindowAdv float64 - TCPToZeroWindowAdv float64 - TCPWantZeroWindowAdv float64 - TCPSynRetrans float64 - TCPOrigDataSent float64 - TCPHystartTrainDetect float64 - TCPHystartTrainCwnd float64 - TCPHystartDelayDetect float64 - TCPHystartDelayCwnd float64 - TCPACKSkippedSynRecv float64 - TCPACKSkippedPAWS float64 - TCPACKSkippedSeq float64 - TCPACKSkippedFinWait2 float64 - TCPACKSkippedTimeWait float64 - TCPACKSkippedChallenge float64 - TCPWinProbe float64 - TCPKeepAlive float64 - TCPMTUPFail float64 - TCPMTUPSuccess float64 - TCPWqueueTooBig float64 + SyncookiesSent *float64 + SyncookiesRecv *float64 + SyncookiesFailed *float64 + EmbryonicRsts *float64 + PruneCalled *float64 + RcvPruned *float64 + OfoPruned *float64 + OutOfWindowIcmps *float64 + LockDroppedIcmps *float64 + ArpFilter *float64 + TW *float64 + TWRecycled *float64 + TWKilled *float64 + PAWSActive *float64 + PAWSEstab *float64 + DelayedACKs *float64 + DelayedACKLocked *float64 + DelayedACKLost *float64 + ListenOverflows *float64 + ListenDrops *float64 + TCPHPHits *float64 + TCPPureAcks *float64 + TCPHPAcks *float64 + TCPRenoRecovery *float64 + TCPSackRecovery *float64 + TCPSACKReneging *float64 + TCPSACKReorder *float64 + TCPRenoReorder *float64 + TCPTSReorder *float64 + TCPFullUndo *float64 + TCPPartialUndo *float64 + TCPDSACKUndo *float64 + TCPLossUndo *float64 + TCPLostRetransmit *float64 + TCPRenoFailures *float64 + TCPSackFailures *float64 + TCPLossFailures *float64 + TCPFastRetrans *float64 + TCPSlowStartRetrans *float64 + TCPTimeouts *float64 + TCPLossProbes *float64 + TCPLossProbeRecovery *float64 + TCPRenoRecoveryFail *float64 + TCPSackRecoveryFail *float64 + TCPRcvCollapsed *float64 + TCPDSACKOldSent *float64 + TCPDSACKOfoSent *float64 + TCPDSACKRecv *float64 + TCPDSACKOfoRecv *float64 + TCPAbortOnData *float64 + TCPAbortOnClose *float64 + TCPAbortOnMemory *float64 + TCPAbortOnTimeout *float64 + TCPAbortOnLinger *float64 + TCPAbortFailed *float64 + TCPMemoryPressures *float64 + TCPMemoryPressuresChrono *float64 + TCPSACKDiscard *float64 + TCPDSACKIgnoredOld *float64 + TCPDSACKIgnoredNoUndo *float64 + TCPSpuriousRTOs *float64 + TCPMD5NotFound *float64 + TCPMD5Unexpected *float64 + TCPMD5Failure *float64 + TCPSackShifted *float64 + TCPSackMerged *float64 + TCPSackShiftFallback *float64 + TCPBacklogDrop *float64 + PFMemallocDrop *float64 + TCPMinTTLDrop *float64 + TCPDeferAcceptDrop *float64 + IPReversePathFilter *float64 + TCPTimeWaitOverflow *float64 + TCPReqQFullDoCookies *float64 + TCPReqQFullDrop *float64 + TCPRetransFail *float64 + TCPRcvCoalesce *float64 + TCPRcvQDrop *float64 + TCPOFOQueue *float64 + TCPOFODrop *float64 + TCPOFOMerge *float64 + TCPChallengeACK *float64 + TCPSYNChallenge *float64 + TCPFastOpenActive *float64 + TCPFastOpenActiveFail *float64 + TCPFastOpenPassive *float64 + TCPFastOpenPassiveFail *float64 + TCPFastOpenListenOverflow *float64 + TCPFastOpenCookieReqd *float64 + TCPFastOpenBlackhole *float64 + TCPSpuriousRtxHostQueues *float64 + BusyPollRxPackets *float64 + TCPAutoCorking *float64 + TCPFromZeroWindowAdv *float64 + TCPToZeroWindowAdv *float64 + TCPWantZeroWindowAdv *float64 + TCPSynRetrans *float64 + TCPOrigDataSent *float64 + TCPHystartTrainDetect *float64 + TCPHystartTrainCwnd *float64 + TCPHystartDelayDetect *float64 + TCPHystartDelayCwnd *float64 + TCPACKSkippedSynRecv *float64 + TCPACKSkippedPAWS *float64 + TCPACKSkippedSeq *float64 + TCPACKSkippedFinWait2 *float64 + TCPACKSkippedTimeWait *float64 + TCPACKSkippedChallenge *float64 + TCPWinProbe *float64 + TCPKeepAlive *float64 + TCPMTUPFail *float64 + TCPMTUPSuccess *float64 + TCPWqueueTooBig *float64 } type IpExt struct { // nolint:revive - InNoRoutes float64 - InTruncatedPkts float64 - InMcastPkts float64 - OutMcastPkts float64 - InBcastPkts float64 - OutBcastPkts float64 - InOctets float64 - OutOctets float64 - InMcastOctets float64 - OutMcastOctets float64 - InBcastOctets float64 - OutBcastOctets float64 - InCsumErrors float64 - InNoECTPkts float64 - InECT1Pkts float64 - InECT0Pkts float64 - InCEPkts float64 - ReasmOverlaps float64 + InNoRoutes *float64 + InTruncatedPkts *float64 + InMcastPkts *float64 + OutMcastPkts *float64 + InBcastPkts *float64 + OutBcastPkts *float64 + InOctets *float64 + OutOctets *float64 + InMcastOctets *float64 + OutMcastOctets *float64 + InBcastOctets *float64 + OutBcastOctets *float64 + InCsumErrors *float64 + InNoECTPkts *float64 + InECT1Pkts *float64 + InECT0Pkts *float64 + InCEPkts *float64 + ReasmOverlaps *float64 } func (p Proc) Netstat() (ProcNetstat, error) { @@ -174,14 +175,14 @@ func (p Proc) Netstat() (ProcNetstat, error) { if err != nil { return ProcNetstat{PID: p.PID}, err } - procNetstat, err := parseNetstat(bytes.NewReader(data), filename) + procNetstat, err := parseProcNetstat(bytes.NewReader(data), filename) procNetstat.PID = p.PID return procNetstat, err } -// parseNetstat parses the metrics from proc//net/netstat file +// parseProcNetstat parses the metrics from proc//net/netstat file // and returns a ProcNetstat structure. -func parseNetstat(r io.Reader, fileName string) (ProcNetstat, error) { +func parseProcNetstat(r io.Reader, fileName string) (ProcNetstat, error) { var ( scanner = bufio.NewScanner(r) procNetstat = ProcNetstat{} @@ -208,230 +209,232 @@ func parseNetstat(r io.Reader, fileName string) (ProcNetstat, error) { case "TcpExt": switch key { case "SyncookiesSent": - procNetstat.TcpExt.SyncookiesSent = value + procNetstat.TcpExt.SyncookiesSent = &value case "SyncookiesRecv": - procNetstat.TcpExt.SyncookiesRecv = value + procNetstat.TcpExt.SyncookiesRecv = &value case "SyncookiesFailed": - procNetstat.TcpExt.SyncookiesFailed = value + procNetstat.TcpExt.SyncookiesFailed = &value case "EmbryonicRsts": - procNetstat.TcpExt.EmbryonicRsts = value + procNetstat.TcpExt.EmbryonicRsts = &value case "PruneCalled": - procNetstat.TcpExt.PruneCalled = value + procNetstat.TcpExt.PruneCalled = &value case "RcvPruned": - procNetstat.TcpExt.RcvPruned = value + procNetstat.TcpExt.RcvPruned = &value case "OfoPruned": - procNetstat.TcpExt.OfoPruned = value + procNetstat.TcpExt.OfoPruned = &value case "OutOfWindowIcmps": - procNetstat.TcpExt.OutOfWindowIcmps = value + procNetstat.TcpExt.OutOfWindowIcmps = &value case "LockDroppedIcmps": - procNetstat.TcpExt.LockDroppedIcmps = value + procNetstat.TcpExt.LockDroppedIcmps = &value case "ArpFilter": - procNetstat.TcpExt.ArpFilter = value + procNetstat.TcpExt.ArpFilter = &value case "TW": - procNetstat.TcpExt.TW = value + procNetstat.TcpExt.TW = &value case "TWRecycled": - procNetstat.TcpExt.TWRecycled = value + procNetstat.TcpExt.TWRecycled = &value case "TWKilled": - procNetstat.TcpExt.TWKilled = value + procNetstat.TcpExt.TWKilled = &value case "PAWSActive": - procNetstat.TcpExt.PAWSActive = value + procNetstat.TcpExt.PAWSActive = &value case "PAWSEstab": - procNetstat.TcpExt.PAWSEstab = value + procNetstat.TcpExt.PAWSEstab = &value case "DelayedACKs": - procNetstat.TcpExt.DelayedACKs = value + procNetstat.TcpExt.DelayedACKs = &value case "DelayedACKLocked": - procNetstat.TcpExt.DelayedACKLocked = value + procNetstat.TcpExt.DelayedACKLocked = &value case "DelayedACKLost": - procNetstat.TcpExt.DelayedACKLost = value + procNetstat.TcpExt.DelayedACKLost = &value case "ListenOverflows": - procNetstat.TcpExt.ListenOverflows = value + procNetstat.TcpExt.ListenOverflows = &value case "ListenDrops": - procNetstat.TcpExt.ListenDrops = value + procNetstat.TcpExt.ListenDrops = &value case "TCPHPHits": - procNetstat.TcpExt.TCPHPHits = value + procNetstat.TcpExt.TCPHPHits = &value case "TCPPureAcks": - procNetstat.TcpExt.TCPPureAcks = value + procNetstat.TcpExt.TCPPureAcks = &value case "TCPHPAcks": - procNetstat.TcpExt.TCPHPAcks = value + procNetstat.TcpExt.TCPHPAcks = &value case "TCPRenoRecovery": - procNetstat.TcpExt.TCPRenoRecovery = value + procNetstat.TcpExt.TCPRenoRecovery = &value case "TCPSackRecovery": - procNetstat.TcpExt.TCPSackRecovery = value + procNetstat.TcpExt.TCPSackRecovery = &value case "TCPSACKReneging": - procNetstat.TcpExt.TCPSACKReneging = value + procNetstat.TcpExt.TCPSACKReneging = &value case "TCPSACKReorder": - procNetstat.TcpExt.TCPSACKReorder = value + procNetstat.TcpExt.TCPSACKReorder = &value case "TCPRenoReorder": - procNetstat.TcpExt.TCPRenoReorder = value + procNetstat.TcpExt.TCPRenoReorder = &value case "TCPTSReorder": - procNetstat.TcpExt.TCPTSReorder = value + procNetstat.TcpExt.TCPTSReorder = &value case "TCPFullUndo": - procNetstat.TcpExt.TCPFullUndo = value + procNetstat.TcpExt.TCPFullUndo = &value case "TCPPartialUndo": - procNetstat.TcpExt.TCPPartialUndo = value + procNetstat.TcpExt.TCPPartialUndo = &value case "TCPDSACKUndo": - procNetstat.TcpExt.TCPDSACKUndo = value + procNetstat.TcpExt.TCPDSACKUndo = &value case "TCPLossUndo": - procNetstat.TcpExt.TCPLossUndo = value + procNetstat.TcpExt.TCPLossUndo = &value case "TCPLostRetransmit": - procNetstat.TcpExt.TCPLostRetransmit = value + procNetstat.TcpExt.TCPLostRetransmit = &value case "TCPRenoFailures": - procNetstat.TcpExt.TCPRenoFailures = value + procNetstat.TcpExt.TCPRenoFailures = &value case "TCPSackFailures": - procNetstat.TcpExt.TCPSackFailures = value + procNetstat.TcpExt.TCPSackFailures = &value case "TCPLossFailures": - procNetstat.TcpExt.TCPLossFailures = value + procNetstat.TcpExt.TCPLossFailures = &value case "TCPFastRetrans": - procNetstat.TcpExt.TCPFastRetrans = value + procNetstat.TcpExt.TCPFastRetrans = &value case "TCPSlowStartRetrans": - procNetstat.TcpExt.TCPSlowStartRetrans = value + procNetstat.TcpExt.TCPSlowStartRetrans = &value case "TCPTimeouts": - procNetstat.TcpExt.TCPTimeouts = value + procNetstat.TcpExt.TCPTimeouts = &value case "TCPLossProbes": - procNetstat.TcpExt.TCPLossProbes = value + procNetstat.TcpExt.TCPLossProbes = &value case "TCPLossProbeRecovery": - procNetstat.TcpExt.TCPLossProbeRecovery = value + procNetstat.TcpExt.TCPLossProbeRecovery = &value case "TCPRenoRecoveryFail": - procNetstat.TcpExt.TCPRenoRecoveryFail = value + procNetstat.TcpExt.TCPRenoRecoveryFail = &value case "TCPSackRecoveryFail": - procNetstat.TcpExt.TCPSackRecoveryFail = value + procNetstat.TcpExt.TCPSackRecoveryFail = &value case "TCPRcvCollapsed": - procNetstat.TcpExt.TCPRcvCollapsed = value + procNetstat.TcpExt.TCPRcvCollapsed = &value case "TCPDSACKOldSent": - procNetstat.TcpExt.TCPDSACKOldSent = value + procNetstat.TcpExt.TCPDSACKOldSent = &value case "TCPDSACKOfoSent": - procNetstat.TcpExt.TCPDSACKOfoSent = value + procNetstat.TcpExt.TCPDSACKOfoSent = &value case "TCPDSACKRecv": - procNetstat.TcpExt.TCPDSACKRecv = value + procNetstat.TcpExt.TCPDSACKRecv = &value case "TCPDSACKOfoRecv": - procNetstat.TcpExt.TCPDSACKOfoRecv = value + procNetstat.TcpExt.TCPDSACKOfoRecv = &value case "TCPAbortOnData": - procNetstat.TcpExt.TCPAbortOnData = value + procNetstat.TcpExt.TCPAbortOnData = &value case "TCPAbortOnClose": - procNetstat.TcpExt.TCPAbortOnClose = value + procNetstat.TcpExt.TCPAbortOnClose = &value case "TCPDeferAcceptDrop": - procNetstat.TcpExt.TCPDeferAcceptDrop = value + procNetstat.TcpExt.TCPDeferAcceptDrop = &value case "IPReversePathFilter": - procNetstat.TcpExt.IPReversePathFilter = value + procNetstat.TcpExt.IPReversePathFilter = &value case "TCPTimeWaitOverflow": - procNetstat.TcpExt.TCPTimeWaitOverflow = value + procNetstat.TcpExt.TCPTimeWaitOverflow = &value case "TCPReqQFullDoCookies": - procNetstat.TcpExt.TCPReqQFullDoCookies = value + procNetstat.TcpExt.TCPReqQFullDoCookies = &value case "TCPReqQFullDrop": - procNetstat.TcpExt.TCPReqQFullDrop = value + procNetstat.TcpExt.TCPReqQFullDrop = &value case "TCPRetransFail": - procNetstat.TcpExt.TCPRetransFail = value + procNetstat.TcpExt.TCPRetransFail = &value case "TCPRcvCoalesce": - procNetstat.TcpExt.TCPRcvCoalesce = value + procNetstat.TcpExt.TCPRcvCoalesce = &value + case "TCPRcvQDrop": + procNetstat.TcpExt.TCPRcvQDrop = &value case "TCPOFOQueue": - procNetstat.TcpExt.TCPOFOQueue = value + procNetstat.TcpExt.TCPOFOQueue = &value case "TCPOFODrop": - procNetstat.TcpExt.TCPOFODrop = value + procNetstat.TcpExt.TCPOFODrop = &value case "TCPOFOMerge": - procNetstat.TcpExt.TCPOFOMerge = value + procNetstat.TcpExt.TCPOFOMerge = &value case "TCPChallengeACK": - procNetstat.TcpExt.TCPChallengeACK = value + procNetstat.TcpExt.TCPChallengeACK = &value case "TCPSYNChallenge": - procNetstat.TcpExt.TCPSYNChallenge = value + procNetstat.TcpExt.TCPSYNChallenge = &value case "TCPFastOpenActive": - procNetstat.TcpExt.TCPFastOpenActive = value + procNetstat.TcpExt.TCPFastOpenActive = &value case "TCPFastOpenActiveFail": - procNetstat.TcpExt.TCPFastOpenActiveFail = value + procNetstat.TcpExt.TCPFastOpenActiveFail = &value case "TCPFastOpenPassive": - procNetstat.TcpExt.TCPFastOpenPassive = value + procNetstat.TcpExt.TCPFastOpenPassive = &value case "TCPFastOpenPassiveFail": - procNetstat.TcpExt.TCPFastOpenPassiveFail = value + procNetstat.TcpExt.TCPFastOpenPassiveFail = &value case "TCPFastOpenListenOverflow": - procNetstat.TcpExt.TCPFastOpenListenOverflow = value + procNetstat.TcpExt.TCPFastOpenListenOverflow = &value case "TCPFastOpenCookieReqd": - procNetstat.TcpExt.TCPFastOpenCookieReqd = value + procNetstat.TcpExt.TCPFastOpenCookieReqd = &value case "TCPFastOpenBlackhole": - procNetstat.TcpExt.TCPFastOpenBlackhole = value + procNetstat.TcpExt.TCPFastOpenBlackhole = &value case "TCPSpuriousRtxHostQueues": - procNetstat.TcpExt.TCPSpuriousRtxHostQueues = value + procNetstat.TcpExt.TCPSpuriousRtxHostQueues = &value case "BusyPollRxPackets": - procNetstat.TcpExt.BusyPollRxPackets = value + procNetstat.TcpExt.BusyPollRxPackets = &value case "TCPAutoCorking": - procNetstat.TcpExt.TCPAutoCorking = value + procNetstat.TcpExt.TCPAutoCorking = &value case "TCPFromZeroWindowAdv": - procNetstat.TcpExt.TCPFromZeroWindowAdv = value + procNetstat.TcpExt.TCPFromZeroWindowAdv = &value case "TCPToZeroWindowAdv": - procNetstat.TcpExt.TCPToZeroWindowAdv = value + procNetstat.TcpExt.TCPToZeroWindowAdv = &value case "TCPWantZeroWindowAdv": - procNetstat.TcpExt.TCPWantZeroWindowAdv = value + procNetstat.TcpExt.TCPWantZeroWindowAdv = &value case "TCPSynRetrans": - procNetstat.TcpExt.TCPSynRetrans = value + procNetstat.TcpExt.TCPSynRetrans = &value case "TCPOrigDataSent": - procNetstat.TcpExt.TCPOrigDataSent = value + procNetstat.TcpExt.TCPOrigDataSent = &value case "TCPHystartTrainDetect": - procNetstat.TcpExt.TCPHystartTrainDetect = value + procNetstat.TcpExt.TCPHystartTrainDetect = &value case "TCPHystartTrainCwnd": - procNetstat.TcpExt.TCPHystartTrainCwnd = value + procNetstat.TcpExt.TCPHystartTrainCwnd = &value case "TCPHystartDelayDetect": - procNetstat.TcpExt.TCPHystartDelayDetect = value + procNetstat.TcpExt.TCPHystartDelayDetect = &value case "TCPHystartDelayCwnd": - procNetstat.TcpExt.TCPHystartDelayCwnd = value + procNetstat.TcpExt.TCPHystartDelayCwnd = &value case "TCPACKSkippedSynRecv": - procNetstat.TcpExt.TCPACKSkippedSynRecv = value + procNetstat.TcpExt.TCPACKSkippedSynRecv = &value case "TCPACKSkippedPAWS": - procNetstat.TcpExt.TCPACKSkippedPAWS = value + procNetstat.TcpExt.TCPACKSkippedPAWS = &value case "TCPACKSkippedSeq": - procNetstat.TcpExt.TCPACKSkippedSeq = value + procNetstat.TcpExt.TCPACKSkippedSeq = &value case "TCPACKSkippedFinWait2": - procNetstat.TcpExt.TCPACKSkippedFinWait2 = value + procNetstat.TcpExt.TCPACKSkippedFinWait2 = &value case "TCPACKSkippedTimeWait": - procNetstat.TcpExt.TCPACKSkippedTimeWait = value + procNetstat.TcpExt.TCPACKSkippedTimeWait = &value case "TCPACKSkippedChallenge": - procNetstat.TcpExt.TCPACKSkippedChallenge = value + procNetstat.TcpExt.TCPACKSkippedChallenge = &value case "TCPWinProbe": - procNetstat.TcpExt.TCPWinProbe = value + procNetstat.TcpExt.TCPWinProbe = &value case "TCPKeepAlive": - procNetstat.TcpExt.TCPKeepAlive = value + procNetstat.TcpExt.TCPKeepAlive = &value case "TCPMTUPFail": - procNetstat.TcpExt.TCPMTUPFail = value + procNetstat.TcpExt.TCPMTUPFail = &value case "TCPMTUPSuccess": - procNetstat.TcpExt.TCPMTUPSuccess = value + procNetstat.TcpExt.TCPMTUPSuccess = &value case "TCPWqueueTooBig": - procNetstat.TcpExt.TCPWqueueTooBig = value + procNetstat.TcpExt.TCPWqueueTooBig = &value } case "IpExt": switch key { case "InNoRoutes": - procNetstat.IpExt.InNoRoutes = value + procNetstat.IpExt.InNoRoutes = &value case "InTruncatedPkts": - procNetstat.IpExt.InTruncatedPkts = value + procNetstat.IpExt.InTruncatedPkts = &value case "InMcastPkts": - procNetstat.IpExt.InMcastPkts = value + procNetstat.IpExt.InMcastPkts = &value case "OutMcastPkts": - procNetstat.IpExt.OutMcastPkts = value + procNetstat.IpExt.OutMcastPkts = &value case "InBcastPkts": - procNetstat.IpExt.InBcastPkts = value + procNetstat.IpExt.InBcastPkts = &value case "OutBcastPkts": - procNetstat.IpExt.OutBcastPkts = value + procNetstat.IpExt.OutBcastPkts = &value case "InOctets": - procNetstat.IpExt.InOctets = value + procNetstat.IpExt.InOctets = &value case "OutOctets": - procNetstat.IpExt.OutOctets = value + procNetstat.IpExt.OutOctets = &value case "InMcastOctets": - procNetstat.IpExt.InMcastOctets = value + procNetstat.IpExt.InMcastOctets = &value case "OutMcastOctets": - procNetstat.IpExt.OutMcastOctets = value + procNetstat.IpExt.OutMcastOctets = &value case "InBcastOctets": - procNetstat.IpExt.InBcastOctets = value + procNetstat.IpExt.InBcastOctets = &value case "OutBcastOctets": - procNetstat.IpExt.OutBcastOctets = value + procNetstat.IpExt.OutBcastOctets = &value case "InCsumErrors": - procNetstat.IpExt.InCsumErrors = value + procNetstat.IpExt.InCsumErrors = &value case "InNoECTPkts": - procNetstat.IpExt.InNoECTPkts = value + procNetstat.IpExt.InNoECTPkts = &value case "InECT1Pkts": - procNetstat.IpExt.InECT1Pkts = value + procNetstat.IpExt.InECT1Pkts = &value case "InECT0Pkts": - procNetstat.IpExt.InECT0Pkts = value + procNetstat.IpExt.InECT0Pkts = &value case "InCEPkts": - procNetstat.IpExt.InCEPkts = value + procNetstat.IpExt.InCEPkts = &value case "ReasmOverlaps": - procNetstat.IpExt.ReasmOverlaps = value + procNetstat.IpExt.ReasmOverlaps = &value } } } diff --git a/vendor/github.com/prometheus/procfs/proc_snmp.go b/vendor/github.com/prometheus/procfs/proc_snmp.go index ae19189..6c46b71 100644 --- a/vendor/github.com/prometheus/procfs/proc_snmp.go +++ b/vendor/github.com/prometheus/procfs/proc_snmp.go @@ -37,100 +37,100 @@ type ProcSnmp struct { } type Ip struct { // nolint:revive - Forwarding float64 - DefaultTTL float64 - InReceives float64 - InHdrErrors float64 - InAddrErrors float64 - ForwDatagrams float64 - InUnknownProtos float64 - InDiscards float64 - InDelivers float64 - OutRequests float64 - OutDiscards float64 - OutNoRoutes float64 - ReasmTimeout float64 - ReasmReqds float64 - ReasmOKs float64 - ReasmFails float64 - FragOKs float64 - FragFails float64 - FragCreates float64 + Forwarding *float64 + DefaultTTL *float64 + InReceives *float64 + InHdrErrors *float64 + InAddrErrors *float64 + ForwDatagrams *float64 + InUnknownProtos *float64 + InDiscards *float64 + InDelivers *float64 + OutRequests *float64 + OutDiscards *float64 + OutNoRoutes *float64 + ReasmTimeout *float64 + ReasmReqds *float64 + ReasmOKs *float64 + ReasmFails *float64 + FragOKs *float64 + FragFails *float64 + FragCreates *float64 } -type Icmp struct { - InMsgs float64 - InErrors float64 - InCsumErrors float64 - InDestUnreachs float64 - InTimeExcds float64 - InParmProbs float64 - InSrcQuenchs float64 - InRedirects float64 - InEchos float64 - InEchoReps float64 - InTimestamps float64 - InTimestampReps float64 - InAddrMasks float64 - InAddrMaskReps float64 - OutMsgs float64 - OutErrors float64 - OutDestUnreachs float64 - OutTimeExcds float64 - OutParmProbs float64 - OutSrcQuenchs float64 - OutRedirects float64 - OutEchos float64 - OutEchoReps float64 - OutTimestamps float64 - OutTimestampReps float64 - OutAddrMasks float64 - OutAddrMaskReps float64 +type Icmp struct { // nolint:revive + InMsgs *float64 + InErrors *float64 + InCsumErrors *float64 + InDestUnreachs *float64 + InTimeExcds *float64 + InParmProbs *float64 + InSrcQuenchs *float64 + InRedirects *float64 + InEchos *float64 + InEchoReps *float64 + InTimestamps *float64 + InTimestampReps *float64 + InAddrMasks *float64 + InAddrMaskReps *float64 + OutMsgs *float64 + OutErrors *float64 + OutDestUnreachs *float64 + OutTimeExcds *float64 + OutParmProbs *float64 + OutSrcQuenchs *float64 + OutRedirects *float64 + OutEchos *float64 + OutEchoReps *float64 + OutTimestamps *float64 + OutTimestampReps *float64 + OutAddrMasks *float64 + OutAddrMaskReps *float64 } type IcmpMsg struct { - InType3 float64 - OutType3 float64 + InType3 *float64 + OutType3 *float64 } type Tcp struct { // nolint:revive - RtoAlgorithm float64 - RtoMin float64 - RtoMax float64 - MaxConn float64 - ActiveOpens float64 - PassiveOpens float64 - AttemptFails float64 - EstabResets float64 - CurrEstab float64 - InSegs float64 - OutSegs float64 - RetransSegs float64 - InErrs float64 - OutRsts float64 - InCsumErrors float64 + RtoAlgorithm *float64 + RtoMin *float64 + RtoMax *float64 + MaxConn *float64 + ActiveOpens *float64 + PassiveOpens *float64 + AttemptFails *float64 + EstabResets *float64 + CurrEstab *float64 + InSegs *float64 + OutSegs *float64 + RetransSegs *float64 + InErrs *float64 + OutRsts *float64 + InCsumErrors *float64 } type Udp struct { // nolint:revive - InDatagrams float64 - NoPorts float64 - InErrors float64 - OutDatagrams float64 - RcvbufErrors float64 - SndbufErrors float64 - InCsumErrors float64 - IgnoredMulti float64 + InDatagrams *float64 + NoPorts *float64 + InErrors *float64 + OutDatagrams *float64 + RcvbufErrors *float64 + SndbufErrors *float64 + InCsumErrors *float64 + IgnoredMulti *float64 } type UdpLite struct { // nolint:revive - InDatagrams float64 - NoPorts float64 - InErrors float64 - OutDatagrams float64 - RcvbufErrors float64 - SndbufErrors float64 - InCsumErrors float64 - IgnoredMulti float64 + InDatagrams *float64 + NoPorts *float64 + InErrors *float64 + OutDatagrams *float64 + RcvbufErrors *float64 + SndbufErrors *float64 + InCsumErrors *float64 + IgnoredMulti *float64 } func (p Proc) Snmp() (ProcSnmp, error) { @@ -173,178 +173,178 @@ func parseSnmp(r io.Reader, fileName string) (ProcSnmp, error) { case "Ip": switch key { case "Forwarding": - procSnmp.Ip.Forwarding = value + procSnmp.Ip.Forwarding = &value case "DefaultTTL": - procSnmp.Ip.DefaultTTL = value + procSnmp.Ip.DefaultTTL = &value case "InReceives": - procSnmp.Ip.InReceives = value + procSnmp.Ip.InReceives = &value case "InHdrErrors": - procSnmp.Ip.InHdrErrors = value + procSnmp.Ip.InHdrErrors = &value case "InAddrErrors": - procSnmp.Ip.InAddrErrors = value + procSnmp.Ip.InAddrErrors = &value case "ForwDatagrams": - procSnmp.Ip.ForwDatagrams = value + procSnmp.Ip.ForwDatagrams = &value case "InUnknownProtos": - procSnmp.Ip.InUnknownProtos = value + procSnmp.Ip.InUnknownProtos = &value case "InDiscards": - procSnmp.Ip.InDiscards = value + procSnmp.Ip.InDiscards = &value case "InDelivers": - procSnmp.Ip.InDelivers = value + procSnmp.Ip.InDelivers = &value case "OutRequests": - procSnmp.Ip.OutRequests = value + procSnmp.Ip.OutRequests = &value case "OutDiscards": - procSnmp.Ip.OutDiscards = value + procSnmp.Ip.OutDiscards = &value case "OutNoRoutes": - procSnmp.Ip.OutNoRoutes = value + procSnmp.Ip.OutNoRoutes = &value case "ReasmTimeout": - procSnmp.Ip.ReasmTimeout = value + procSnmp.Ip.ReasmTimeout = &value case "ReasmReqds": - procSnmp.Ip.ReasmReqds = value + procSnmp.Ip.ReasmReqds = &value case "ReasmOKs": - procSnmp.Ip.ReasmOKs = value + procSnmp.Ip.ReasmOKs = &value case "ReasmFails": - procSnmp.Ip.ReasmFails = value + procSnmp.Ip.ReasmFails = &value case "FragOKs": - procSnmp.Ip.FragOKs = value + procSnmp.Ip.FragOKs = &value case "FragFails": - procSnmp.Ip.FragFails = value + procSnmp.Ip.FragFails = &value case "FragCreates": - procSnmp.Ip.FragCreates = value + procSnmp.Ip.FragCreates = &value } case "Icmp": switch key { case "InMsgs": - procSnmp.Icmp.InMsgs = value + procSnmp.Icmp.InMsgs = &value case "InErrors": - procSnmp.Icmp.InErrors = value + procSnmp.Icmp.InErrors = &value case "InCsumErrors": - procSnmp.Icmp.InCsumErrors = value + procSnmp.Icmp.InCsumErrors = &value case "InDestUnreachs": - procSnmp.Icmp.InDestUnreachs = value + procSnmp.Icmp.InDestUnreachs = &value case "InTimeExcds": - procSnmp.Icmp.InTimeExcds = value + procSnmp.Icmp.InTimeExcds = &value case "InParmProbs": - procSnmp.Icmp.InParmProbs = value + procSnmp.Icmp.InParmProbs = &value case "InSrcQuenchs": - procSnmp.Icmp.InSrcQuenchs = value + procSnmp.Icmp.InSrcQuenchs = &value case "InRedirects": - procSnmp.Icmp.InRedirects = value + procSnmp.Icmp.InRedirects = &value case "InEchos": - procSnmp.Icmp.InEchos = value + procSnmp.Icmp.InEchos = &value case "InEchoReps": - procSnmp.Icmp.InEchoReps = value + procSnmp.Icmp.InEchoReps = &value case "InTimestamps": - procSnmp.Icmp.InTimestamps = value + procSnmp.Icmp.InTimestamps = &value case "InTimestampReps": - procSnmp.Icmp.InTimestampReps = value + procSnmp.Icmp.InTimestampReps = &value case "InAddrMasks": - procSnmp.Icmp.InAddrMasks = value + procSnmp.Icmp.InAddrMasks = &value case "InAddrMaskReps": - procSnmp.Icmp.InAddrMaskReps = value + procSnmp.Icmp.InAddrMaskReps = &value case "OutMsgs": - procSnmp.Icmp.OutMsgs = value + procSnmp.Icmp.OutMsgs = &value case "OutErrors": - procSnmp.Icmp.OutErrors = value + procSnmp.Icmp.OutErrors = &value case "OutDestUnreachs": - procSnmp.Icmp.OutDestUnreachs = value + procSnmp.Icmp.OutDestUnreachs = &value case "OutTimeExcds": - procSnmp.Icmp.OutTimeExcds = value + procSnmp.Icmp.OutTimeExcds = &value case "OutParmProbs": - procSnmp.Icmp.OutParmProbs = value + procSnmp.Icmp.OutParmProbs = &value case "OutSrcQuenchs": - procSnmp.Icmp.OutSrcQuenchs = value + procSnmp.Icmp.OutSrcQuenchs = &value case "OutRedirects": - procSnmp.Icmp.OutRedirects = value + procSnmp.Icmp.OutRedirects = &value case "OutEchos": - procSnmp.Icmp.OutEchos = value + procSnmp.Icmp.OutEchos = &value case "OutEchoReps": - procSnmp.Icmp.OutEchoReps = value + procSnmp.Icmp.OutEchoReps = &value case "OutTimestamps": - procSnmp.Icmp.OutTimestamps = value + procSnmp.Icmp.OutTimestamps = &value case "OutTimestampReps": - procSnmp.Icmp.OutTimestampReps = value + procSnmp.Icmp.OutTimestampReps = &value case "OutAddrMasks": - procSnmp.Icmp.OutAddrMasks = value + procSnmp.Icmp.OutAddrMasks = &value case "OutAddrMaskReps": - procSnmp.Icmp.OutAddrMaskReps = value + procSnmp.Icmp.OutAddrMaskReps = &value } case "IcmpMsg": switch key { case "InType3": - procSnmp.IcmpMsg.InType3 = value + procSnmp.IcmpMsg.InType3 = &value case "OutType3": - procSnmp.IcmpMsg.OutType3 = value + procSnmp.IcmpMsg.OutType3 = &value } case "Tcp": switch key { case "RtoAlgorithm": - procSnmp.Tcp.RtoAlgorithm = value + procSnmp.Tcp.RtoAlgorithm = &value case "RtoMin": - procSnmp.Tcp.RtoMin = value + procSnmp.Tcp.RtoMin = &value case "RtoMax": - procSnmp.Tcp.RtoMax = value + procSnmp.Tcp.RtoMax = &value case "MaxConn": - procSnmp.Tcp.MaxConn = value + procSnmp.Tcp.MaxConn = &value case "ActiveOpens": - procSnmp.Tcp.ActiveOpens = value + procSnmp.Tcp.ActiveOpens = &value case "PassiveOpens": - procSnmp.Tcp.PassiveOpens = value + procSnmp.Tcp.PassiveOpens = &value case "AttemptFails": - procSnmp.Tcp.AttemptFails = value + procSnmp.Tcp.AttemptFails = &value case "EstabResets": - procSnmp.Tcp.EstabResets = value + procSnmp.Tcp.EstabResets = &value case "CurrEstab": - procSnmp.Tcp.CurrEstab = value + procSnmp.Tcp.CurrEstab = &value case "InSegs": - procSnmp.Tcp.InSegs = value + procSnmp.Tcp.InSegs = &value case "OutSegs": - procSnmp.Tcp.OutSegs = value + procSnmp.Tcp.OutSegs = &value case "RetransSegs": - procSnmp.Tcp.RetransSegs = value + procSnmp.Tcp.RetransSegs = &value case "InErrs": - procSnmp.Tcp.InErrs = value + procSnmp.Tcp.InErrs = &value case "OutRsts": - procSnmp.Tcp.OutRsts = value + procSnmp.Tcp.OutRsts = &value case "InCsumErrors": - procSnmp.Tcp.InCsumErrors = value + procSnmp.Tcp.InCsumErrors = &value } case "Udp": switch key { case "InDatagrams": - procSnmp.Udp.InDatagrams = value + procSnmp.Udp.InDatagrams = &value case "NoPorts": - procSnmp.Udp.NoPorts = value + procSnmp.Udp.NoPorts = &value case "InErrors": - procSnmp.Udp.InErrors = value + procSnmp.Udp.InErrors = &value case "OutDatagrams": - procSnmp.Udp.OutDatagrams = value + procSnmp.Udp.OutDatagrams = &value case "RcvbufErrors": - procSnmp.Udp.RcvbufErrors = value + procSnmp.Udp.RcvbufErrors = &value case "SndbufErrors": - procSnmp.Udp.SndbufErrors = value + procSnmp.Udp.SndbufErrors = &value case "InCsumErrors": - procSnmp.Udp.InCsumErrors = value + procSnmp.Udp.InCsumErrors = &value case "IgnoredMulti": - procSnmp.Udp.IgnoredMulti = value + procSnmp.Udp.IgnoredMulti = &value } case "UdpLite": switch key { case "InDatagrams": - procSnmp.UdpLite.InDatagrams = value + procSnmp.UdpLite.InDatagrams = &value case "NoPorts": - procSnmp.UdpLite.NoPorts = value + procSnmp.UdpLite.NoPorts = &value case "InErrors": - procSnmp.UdpLite.InErrors = value + procSnmp.UdpLite.InErrors = &value case "OutDatagrams": - procSnmp.UdpLite.OutDatagrams = value + procSnmp.UdpLite.OutDatagrams = &value case "RcvbufErrors": - procSnmp.UdpLite.RcvbufErrors = value + procSnmp.UdpLite.RcvbufErrors = &value case "SndbufErrors": - procSnmp.UdpLite.SndbufErrors = value + procSnmp.UdpLite.SndbufErrors = &value case "InCsumErrors": - procSnmp.UdpLite.InCsumErrors = value + procSnmp.UdpLite.InCsumErrors = &value case "IgnoredMulti": - procSnmp.UdpLite.IgnoredMulti = value + procSnmp.UdpLite.IgnoredMulti = &value } } } diff --git a/vendor/github.com/prometheus/procfs/proc_snmp6.go b/vendor/github.com/prometheus/procfs/proc_snmp6.go index f611992..3059cc6 100644 --- a/vendor/github.com/prometheus/procfs/proc_snmp6.go +++ b/vendor/github.com/prometheus/procfs/proc_snmp6.go @@ -36,106 +36,106 @@ type ProcSnmp6 struct { } type Ip6 struct { // nolint:revive - InReceives float64 - InHdrErrors float64 - InTooBigErrors float64 - InNoRoutes float64 - InAddrErrors float64 - InUnknownProtos float64 - InTruncatedPkts float64 - InDiscards float64 - InDelivers float64 - OutForwDatagrams float64 - OutRequests float64 - OutDiscards float64 - OutNoRoutes float64 - ReasmTimeout float64 - ReasmReqds float64 - ReasmOKs float64 - ReasmFails float64 - FragOKs float64 - FragFails float64 - FragCreates float64 - InMcastPkts float64 - OutMcastPkts float64 - InOctets float64 - OutOctets float64 - InMcastOctets float64 - OutMcastOctets float64 - InBcastOctets float64 - OutBcastOctets float64 - InNoECTPkts float64 - InECT1Pkts float64 - InECT0Pkts float64 - InCEPkts float64 + InReceives *float64 + InHdrErrors *float64 + InTooBigErrors *float64 + InNoRoutes *float64 + InAddrErrors *float64 + InUnknownProtos *float64 + InTruncatedPkts *float64 + InDiscards *float64 + InDelivers *float64 + OutForwDatagrams *float64 + OutRequests *float64 + OutDiscards *float64 + OutNoRoutes *float64 + ReasmTimeout *float64 + ReasmReqds *float64 + ReasmOKs *float64 + ReasmFails *float64 + FragOKs *float64 + FragFails *float64 + FragCreates *float64 + InMcastPkts *float64 + OutMcastPkts *float64 + InOctets *float64 + OutOctets *float64 + InMcastOctets *float64 + OutMcastOctets *float64 + InBcastOctets *float64 + OutBcastOctets *float64 + InNoECTPkts *float64 + InECT1Pkts *float64 + InECT0Pkts *float64 + InCEPkts *float64 } type Icmp6 struct { - InMsgs float64 - InErrors float64 - OutMsgs float64 - OutErrors float64 - InCsumErrors float64 - InDestUnreachs float64 - InPktTooBigs float64 - InTimeExcds float64 - InParmProblems float64 - InEchos float64 - InEchoReplies float64 - InGroupMembQueries float64 - InGroupMembResponses float64 - InGroupMembReductions float64 - InRouterSolicits float64 - InRouterAdvertisements float64 - InNeighborSolicits float64 - InNeighborAdvertisements float64 - InRedirects float64 - InMLDv2Reports float64 - OutDestUnreachs float64 - OutPktTooBigs float64 - OutTimeExcds float64 - OutParmProblems float64 - OutEchos float64 - OutEchoReplies float64 - OutGroupMembQueries float64 - OutGroupMembResponses float64 - OutGroupMembReductions float64 - OutRouterSolicits float64 - OutRouterAdvertisements float64 - OutNeighborSolicits float64 - OutNeighborAdvertisements float64 - OutRedirects float64 - OutMLDv2Reports float64 - InType1 float64 - InType134 float64 - InType135 float64 - InType136 float64 - InType143 float64 - OutType133 float64 - OutType135 float64 - OutType136 float64 - OutType143 float64 + InMsgs *float64 + InErrors *float64 + OutMsgs *float64 + OutErrors *float64 + InCsumErrors *float64 + InDestUnreachs *float64 + InPktTooBigs *float64 + InTimeExcds *float64 + InParmProblems *float64 + InEchos *float64 + InEchoReplies *float64 + InGroupMembQueries *float64 + InGroupMembResponses *float64 + InGroupMembReductions *float64 + InRouterSolicits *float64 + InRouterAdvertisements *float64 + InNeighborSolicits *float64 + InNeighborAdvertisements *float64 + InRedirects *float64 + InMLDv2Reports *float64 + OutDestUnreachs *float64 + OutPktTooBigs *float64 + OutTimeExcds *float64 + OutParmProblems *float64 + OutEchos *float64 + OutEchoReplies *float64 + OutGroupMembQueries *float64 + OutGroupMembResponses *float64 + OutGroupMembReductions *float64 + OutRouterSolicits *float64 + OutRouterAdvertisements *float64 + OutNeighborSolicits *float64 + OutNeighborAdvertisements *float64 + OutRedirects *float64 + OutMLDv2Reports *float64 + InType1 *float64 + InType134 *float64 + InType135 *float64 + InType136 *float64 + InType143 *float64 + OutType133 *float64 + OutType135 *float64 + OutType136 *float64 + OutType143 *float64 } type Udp6 struct { // nolint:revive - InDatagrams float64 - NoPorts float64 - InErrors float64 - OutDatagrams float64 - RcvbufErrors float64 - SndbufErrors float64 - InCsumErrors float64 - IgnoredMulti float64 + InDatagrams *float64 + NoPorts *float64 + InErrors *float64 + OutDatagrams *float64 + RcvbufErrors *float64 + SndbufErrors *float64 + InCsumErrors *float64 + IgnoredMulti *float64 } type UdpLite6 struct { // nolint:revive - InDatagrams float64 - NoPorts float64 - InErrors float64 - OutDatagrams float64 - RcvbufErrors float64 - SndbufErrors float64 - InCsumErrors float64 + InDatagrams *float64 + NoPorts *float64 + InErrors *float64 + OutDatagrams *float64 + RcvbufErrors *float64 + SndbufErrors *float64 + InCsumErrors *float64 } func (p Proc) Snmp6() (ProcSnmp6, error) { @@ -182,197 +182,197 @@ func parseSNMP6Stats(r io.Reader) (ProcSnmp6, error) { case "Ip6": switch key { case "InReceives": - procSnmp6.Ip6.InReceives = value + procSnmp6.Ip6.InReceives = &value case "InHdrErrors": - procSnmp6.Ip6.InHdrErrors = value + procSnmp6.Ip6.InHdrErrors = &value case "InTooBigErrors": - procSnmp6.Ip6.InTooBigErrors = value + procSnmp6.Ip6.InTooBigErrors = &value case "InNoRoutes": - procSnmp6.Ip6.InNoRoutes = value + procSnmp6.Ip6.InNoRoutes = &value case "InAddrErrors": - procSnmp6.Ip6.InAddrErrors = value + procSnmp6.Ip6.InAddrErrors = &value case "InUnknownProtos": - procSnmp6.Ip6.InUnknownProtos = value + procSnmp6.Ip6.InUnknownProtos = &value case "InTruncatedPkts": - procSnmp6.Ip6.InTruncatedPkts = value + procSnmp6.Ip6.InTruncatedPkts = &value case "InDiscards": - procSnmp6.Ip6.InDiscards = value + procSnmp6.Ip6.InDiscards = &value case "InDelivers": - procSnmp6.Ip6.InDelivers = value + procSnmp6.Ip6.InDelivers = &value case "OutForwDatagrams": - procSnmp6.Ip6.OutForwDatagrams = value + procSnmp6.Ip6.OutForwDatagrams = &value case "OutRequests": - procSnmp6.Ip6.OutRequests = value + procSnmp6.Ip6.OutRequests = &value case "OutDiscards": - procSnmp6.Ip6.OutDiscards = value + procSnmp6.Ip6.OutDiscards = &value case "OutNoRoutes": - procSnmp6.Ip6.OutNoRoutes = value + procSnmp6.Ip6.OutNoRoutes = &value case "ReasmTimeout": - procSnmp6.Ip6.ReasmTimeout = value + procSnmp6.Ip6.ReasmTimeout = &value case "ReasmReqds": - procSnmp6.Ip6.ReasmReqds = value + procSnmp6.Ip6.ReasmReqds = &value case "ReasmOKs": - procSnmp6.Ip6.ReasmOKs = value + procSnmp6.Ip6.ReasmOKs = &value case "ReasmFails": - procSnmp6.Ip6.ReasmFails = value + procSnmp6.Ip6.ReasmFails = &value case "FragOKs": - procSnmp6.Ip6.FragOKs = value + procSnmp6.Ip6.FragOKs = &value case "FragFails": - procSnmp6.Ip6.FragFails = value + procSnmp6.Ip6.FragFails = &value case "FragCreates": - procSnmp6.Ip6.FragCreates = value + procSnmp6.Ip6.FragCreates = &value case "InMcastPkts": - procSnmp6.Ip6.InMcastPkts = value + procSnmp6.Ip6.InMcastPkts = &value case "OutMcastPkts": - procSnmp6.Ip6.OutMcastPkts = value + procSnmp6.Ip6.OutMcastPkts = &value case "InOctets": - procSnmp6.Ip6.InOctets = value + procSnmp6.Ip6.InOctets = &value case "OutOctets": - procSnmp6.Ip6.OutOctets = value + procSnmp6.Ip6.OutOctets = &value case "InMcastOctets": - procSnmp6.Ip6.InMcastOctets = value + procSnmp6.Ip6.InMcastOctets = &value case "OutMcastOctets": - procSnmp6.Ip6.OutMcastOctets = value + procSnmp6.Ip6.OutMcastOctets = &value case "InBcastOctets": - procSnmp6.Ip6.InBcastOctets = value + procSnmp6.Ip6.InBcastOctets = &value case "OutBcastOctets": - procSnmp6.Ip6.OutBcastOctets = value + procSnmp6.Ip6.OutBcastOctets = &value case "InNoECTPkts": - procSnmp6.Ip6.InNoECTPkts = value + procSnmp6.Ip6.InNoECTPkts = &value case "InECT1Pkts": - procSnmp6.Ip6.InECT1Pkts = value + procSnmp6.Ip6.InECT1Pkts = &value case "InECT0Pkts": - procSnmp6.Ip6.InECT0Pkts = value + procSnmp6.Ip6.InECT0Pkts = &value case "InCEPkts": - procSnmp6.Ip6.InCEPkts = value + procSnmp6.Ip6.InCEPkts = &value } case "Icmp6": switch key { case "InMsgs": - procSnmp6.Icmp6.InMsgs = value + procSnmp6.Icmp6.InMsgs = &value case "InErrors": - procSnmp6.Icmp6.InErrors = value + procSnmp6.Icmp6.InErrors = &value case "OutMsgs": - procSnmp6.Icmp6.OutMsgs = value + procSnmp6.Icmp6.OutMsgs = &value case "OutErrors": - procSnmp6.Icmp6.OutErrors = value + procSnmp6.Icmp6.OutErrors = &value case "InCsumErrors": - procSnmp6.Icmp6.InCsumErrors = value + procSnmp6.Icmp6.InCsumErrors = &value case "InDestUnreachs": - procSnmp6.Icmp6.InDestUnreachs = value + procSnmp6.Icmp6.InDestUnreachs = &value case "InPktTooBigs": - procSnmp6.Icmp6.InPktTooBigs = value + procSnmp6.Icmp6.InPktTooBigs = &value case "InTimeExcds": - procSnmp6.Icmp6.InTimeExcds = value + procSnmp6.Icmp6.InTimeExcds = &value case "InParmProblems": - procSnmp6.Icmp6.InParmProblems = value + procSnmp6.Icmp6.InParmProblems = &value case "InEchos": - procSnmp6.Icmp6.InEchos = value + procSnmp6.Icmp6.InEchos = &value case "InEchoReplies": - procSnmp6.Icmp6.InEchoReplies = value + procSnmp6.Icmp6.InEchoReplies = &value case "InGroupMembQueries": - procSnmp6.Icmp6.InGroupMembQueries = value + procSnmp6.Icmp6.InGroupMembQueries = &value case "InGroupMembResponses": - procSnmp6.Icmp6.InGroupMembResponses = value + procSnmp6.Icmp6.InGroupMembResponses = &value case "InGroupMembReductions": - procSnmp6.Icmp6.InGroupMembReductions = value + procSnmp6.Icmp6.InGroupMembReductions = &value case "InRouterSolicits": - procSnmp6.Icmp6.InRouterSolicits = value + procSnmp6.Icmp6.InRouterSolicits = &value case "InRouterAdvertisements": - procSnmp6.Icmp6.InRouterAdvertisements = value + procSnmp6.Icmp6.InRouterAdvertisements = &value case "InNeighborSolicits": - procSnmp6.Icmp6.InNeighborSolicits = value + procSnmp6.Icmp6.InNeighborSolicits = &value case "InNeighborAdvertisements": - procSnmp6.Icmp6.InNeighborAdvertisements = value + procSnmp6.Icmp6.InNeighborAdvertisements = &value case "InRedirects": - procSnmp6.Icmp6.InRedirects = value + procSnmp6.Icmp6.InRedirects = &value case "InMLDv2Reports": - procSnmp6.Icmp6.InMLDv2Reports = value + procSnmp6.Icmp6.InMLDv2Reports = &value case "OutDestUnreachs": - procSnmp6.Icmp6.OutDestUnreachs = value + procSnmp6.Icmp6.OutDestUnreachs = &value case "OutPktTooBigs": - procSnmp6.Icmp6.OutPktTooBigs = value + procSnmp6.Icmp6.OutPktTooBigs = &value case "OutTimeExcds": - procSnmp6.Icmp6.OutTimeExcds = value + procSnmp6.Icmp6.OutTimeExcds = &value case "OutParmProblems": - procSnmp6.Icmp6.OutParmProblems = value + procSnmp6.Icmp6.OutParmProblems = &value case "OutEchos": - procSnmp6.Icmp6.OutEchos = value + procSnmp6.Icmp6.OutEchos = &value case "OutEchoReplies": - procSnmp6.Icmp6.OutEchoReplies = value + procSnmp6.Icmp6.OutEchoReplies = &value case "OutGroupMembQueries": - procSnmp6.Icmp6.OutGroupMembQueries = value + procSnmp6.Icmp6.OutGroupMembQueries = &value case "OutGroupMembResponses": - procSnmp6.Icmp6.OutGroupMembResponses = value + procSnmp6.Icmp6.OutGroupMembResponses = &value case "OutGroupMembReductions": - procSnmp6.Icmp6.OutGroupMembReductions = value + procSnmp6.Icmp6.OutGroupMembReductions = &value case "OutRouterSolicits": - procSnmp6.Icmp6.OutRouterSolicits = value + procSnmp6.Icmp6.OutRouterSolicits = &value case "OutRouterAdvertisements": - procSnmp6.Icmp6.OutRouterAdvertisements = value + procSnmp6.Icmp6.OutRouterAdvertisements = &value case "OutNeighborSolicits": - procSnmp6.Icmp6.OutNeighborSolicits = value + procSnmp6.Icmp6.OutNeighborSolicits = &value case "OutNeighborAdvertisements": - procSnmp6.Icmp6.OutNeighborAdvertisements = value + procSnmp6.Icmp6.OutNeighborAdvertisements = &value case "OutRedirects": - procSnmp6.Icmp6.OutRedirects = value + procSnmp6.Icmp6.OutRedirects = &value case "OutMLDv2Reports": - procSnmp6.Icmp6.OutMLDv2Reports = value + procSnmp6.Icmp6.OutMLDv2Reports = &value case "InType1": - procSnmp6.Icmp6.InType1 = value + procSnmp6.Icmp6.InType1 = &value case "InType134": - procSnmp6.Icmp6.InType134 = value + procSnmp6.Icmp6.InType134 = &value case "InType135": - procSnmp6.Icmp6.InType135 = value + procSnmp6.Icmp6.InType135 = &value case "InType136": - procSnmp6.Icmp6.InType136 = value + procSnmp6.Icmp6.InType136 = &value case "InType143": - procSnmp6.Icmp6.InType143 = value + procSnmp6.Icmp6.InType143 = &value case "OutType133": - procSnmp6.Icmp6.OutType133 = value + procSnmp6.Icmp6.OutType133 = &value case "OutType135": - procSnmp6.Icmp6.OutType135 = value + procSnmp6.Icmp6.OutType135 = &value case "OutType136": - procSnmp6.Icmp6.OutType136 = value + procSnmp6.Icmp6.OutType136 = &value case "OutType143": - procSnmp6.Icmp6.OutType143 = value + procSnmp6.Icmp6.OutType143 = &value } case "Udp6": switch key { case "InDatagrams": - procSnmp6.Udp6.InDatagrams = value + procSnmp6.Udp6.InDatagrams = &value case "NoPorts": - procSnmp6.Udp6.NoPorts = value + procSnmp6.Udp6.NoPorts = &value case "InErrors": - procSnmp6.Udp6.InErrors = value + procSnmp6.Udp6.InErrors = &value case "OutDatagrams": - procSnmp6.Udp6.OutDatagrams = value + procSnmp6.Udp6.OutDatagrams = &value case "RcvbufErrors": - procSnmp6.Udp6.RcvbufErrors = value + procSnmp6.Udp6.RcvbufErrors = &value case "SndbufErrors": - procSnmp6.Udp6.SndbufErrors = value + procSnmp6.Udp6.SndbufErrors = &value case "InCsumErrors": - procSnmp6.Udp6.InCsumErrors = value + procSnmp6.Udp6.InCsumErrors = &value case "IgnoredMulti": - procSnmp6.Udp6.IgnoredMulti = value + procSnmp6.Udp6.IgnoredMulti = &value } case "UdpLite6": switch key { case "InDatagrams": - procSnmp6.UdpLite6.InDatagrams = value + procSnmp6.UdpLite6.InDatagrams = &value case "NoPorts": - procSnmp6.UdpLite6.NoPorts = value + procSnmp6.UdpLite6.NoPorts = &value case "InErrors": - procSnmp6.UdpLite6.InErrors = value + procSnmp6.UdpLite6.InErrors = &value case "OutDatagrams": - procSnmp6.UdpLite6.OutDatagrams = value + procSnmp6.UdpLite6.OutDatagrams = &value case "RcvbufErrors": - procSnmp6.UdpLite6.RcvbufErrors = value + procSnmp6.UdpLite6.RcvbufErrors = &value case "SndbufErrors": - procSnmp6.UdpLite6.SndbufErrors = value + procSnmp6.UdpLite6.SndbufErrors = &value case "InCsumErrors": - procSnmp6.UdpLite6.InCsumErrors = value + procSnmp6.UdpLite6.InCsumErrors = &value } } } diff --git a/vendor/github.com/prometheus/procfs/proc_stat.go b/vendor/github.com/prometheus/procfs/proc_stat.go index 06c556e..b278eb2 100644 --- a/vendor/github.com/prometheus/procfs/proc_stat.go +++ b/vendor/github.com/prometheus/procfs/proc_stat.go @@ -102,6 +102,8 @@ type ProcStat struct { RSS int // Soft limit in bytes on the rss of the process. RSSLimit uint64 + // CPU number last executed on. + Processor uint // Real-time scheduling priority, a number in the range 1 to 99 for processes // scheduled under a real-time policy, or 0, for non-real-time processes. RTPriority uint @@ -184,7 +186,7 @@ func (p Proc) Stat() (ProcStat, error) { &ignoreUint64, &ignoreUint64, &ignoreInt64, - &ignoreInt64, + &s.Processor, &s.RTPriority, &s.Policy, &s.DelayAcctBlkIOTicks, diff --git a/vendor/github.com/prometheus/procfs/proc_status.go b/vendor/github.com/prometheus/procfs/proc_status.go index 594022d..3d8c064 100644 --- a/vendor/github.com/prometheus/procfs/proc_status.go +++ b/vendor/github.com/prometheus/procfs/proc_status.go @@ -96,10 +96,10 @@ func (p Proc) NewStatus() (ProcStatus, error) { kv := strings.SplitN(line, ":", 2) // removes spaces - k := string(strings.TrimSpace(kv[0])) - v := string(strings.TrimSpace(kv[1])) + k := strings.TrimSpace(kv[0]) + v := strings.TrimSpace(kv[1]) // removes "kB" - v = string(bytes.Trim([]byte(v), " kB")) + v = strings.TrimSuffix(v, " kB") // value to int when possible // we can skip error check here, 'cause vKBytes is not used when value is a string diff --git a/vendor/github.com/prometheus/procfs/stat.go b/vendor/github.com/prometheus/procfs/stat.go index 33f97ca..586af48 100644 --- a/vendor/github.com/prometheus/procfs/stat.go +++ b/vendor/github.com/prometheus/procfs/stat.go @@ -62,7 +62,7 @@ type Stat struct { // Summed up cpu statistics. CPUTotal CPUStat // Per-CPU statistics. - CPU []CPUStat + CPU map[int64]CPUStat // Number of times interrupts were handled, which contains numbered and unnumbered IRQs. IRQTotal uint64 // Number of times a numbered IRQ was triggered. @@ -170,10 +170,23 @@ func (fs FS) Stat() (Stat, error) { if err != nil { return Stat{}, err } + procStat, err := parseStat(bytes.NewReader(data), fileName) + if err != nil { + return Stat{}, err + } + return procStat, nil +} - stat := Stat{} +// parseStat parses the metrics from /proc/[pid]/stat. +func parseStat(r io.Reader, fileName string) (Stat, error) { + var ( + scanner = bufio.NewScanner(r) + stat = Stat{ + CPU: make(map[int64]CPUStat), + } + err error + ) - scanner := bufio.NewScanner(bytes.NewReader(data)) for scanner.Scan() { line := scanner.Text() parts := strings.Fields(scanner.Text()) @@ -228,9 +241,6 @@ func (fs FS) Stat() (Stat, error) { if cpuID == -1 { stat.CPUTotal = cpuStat } else { - for int64(len(stat.CPU)) <= cpuID { - stat.CPU = append(stat.CPU, CPUStat{}) - } stat.CPU[cpuID] = cpuStat } } diff --git a/vendor/github.com/prometheus/procfs/thread.go b/vendor/github.com/prometheus/procfs/thread.go new file mode 100644 index 0000000..f08bfc7 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/thread.go @@ -0,0 +1,79 @@ +// Copyright 2022 The Prometheus 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 procfs + +import ( + "fmt" + "os" + "strconv" + + fsi "github.com/prometheus/procfs/internal/fs" +) + +// Provide access to /proc/PID/task/TID files, for thread specific values. Since +// such files have the same structure as /proc/PID/ ones, the data structures +// and the parsers for the latter may be reused. + +// AllThreads returns a list of all currently available threads under /proc/PID. +func AllThreads(pid int) (Procs, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Procs{}, err + } + return fs.AllThreads(pid) +} + +// AllThreads returns a list of all currently available threads for PID. +func (fs FS) AllThreads(pid int) (Procs, error) { + taskPath := fs.proc.Path(strconv.Itoa(pid), "task") + d, err := os.Open(taskPath) + if err != nil { + return Procs{}, err + } + defer d.Close() + + names, err := d.Readdirnames(-1) + if err != nil { + return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err) + } + + t := Procs{} + for _, n := range names { + tid, err := strconv.ParseInt(n, 10, 64) + if err != nil { + continue + } + t = append(t, Proc{PID: int(tid), fs: fsi.FS(taskPath)}) + } + + return t, nil +} + +// Thread returns a process for a given PID, TID. +func (fs FS) Thread(pid, tid int) (Proc, error) { + taskPath := fs.proc.Path(strconv.Itoa(pid), "task") + if _, err := os.Stat(taskPath); err != nil { + return Proc{}, err + } + return Proc{PID: tid, fs: fsi.FS(taskPath)}, nil +} + +// Thread returns a process for a given TID of Proc. +func (proc Proc) Thread(tid int) (Proc, error) { + tfs := fsi.FS(proc.path("task")) + if _, err := os.Stat(tfs.Path(strconv.Itoa(tid))); err != nil { + return Proc{}, err + } + return Proc{PID: tid, fs: tfs}, nil +} diff --git a/vendor/github.com/prometheus/procfs/vm.go b/vendor/github.com/prometheus/procfs/vm.go index 20ceb77..cdedcae 100644 --- a/vendor/github.com/prometheus/procfs/vm.go +++ b/vendor/github.com/prometheus/procfs/vm.go @@ -26,7 +26,9 @@ import ( ) // The VM interface is described at -// https://www.kernel.org/doc/Documentation/sysctl/vm.txt +// +// https://www.kernel.org/doc/Documentation/sysctl/vm.txt +// // Each setting is exposed as a single file. // Each file contains one line with a single numerical value, except lowmem_reserve_ratio which holds an array // and numa_zonelist_order (deprecated) which is a string. diff --git a/vendor/modules.txt b/vendor/modules.txt index 5c1334d..c1b3b9d 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -11,10 +11,10 @@ github.com/alecthomas/units # github.com/beorn7/perks v1.0.1 ## explicit; go 1.11 github.com/beorn7/perks/quantile -# github.com/cespare/xxhash/v2 v2.1.2 +# github.com/cespare/xxhash/v2 v2.2.0 ## explicit; go 1.11 github.com/cespare/xxhash/v2 -# github.com/fsnotify/fsnotify v1.5.4 +# github.com/fsnotify/fsnotify v1.6.0 ## explicit; go 1.16 github.com/fsnotify/fsnotify # github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 @@ -56,7 +56,7 @@ github.com/gorilla/sessions # github.com/gorilla/websocket v1.5.0 ## explicit; go 1.12 github.com/gorilla/websocket -# github.com/gravitational/trace v1.1.19 +# github.com/gravitational/trace v1.2.0 ## explicit; go 1.15 github.com/gravitational/trace github.com/gravitational/trace/internal @@ -133,8 +133,8 @@ github.com/prometheus/common/expfmt github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg github.com/prometheus/common/model github.com/prometheus/common/version -# github.com/prometheus/procfs v0.8.0 -## explicit; go 1.17 +# github.com/prometheus/procfs v0.9.0 +## explicit; go 1.18 github.com/prometheus/procfs github.com/prometheus/procfs/internal/fs github.com/prometheus/procfs/internal/util @@ -151,7 +151,7 @@ github.com/vulcand/oxy/utils # github.com/vulcand/predicate v1.2.0 ## explicit; go 1.16 github.com/vulcand/predicate -# golang.org/x/crypto v0.0.0-20220926161630-eccd6366d1be +# golang.org/x/crypto v0.4.0 ## explicit; go 1.17 golang.org/x/crypto/ssh/terminal # golang.org/x/net v0.4.0