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optimization arbiter poll member status and add replset subscriber st…
…atus tool
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "github.com/snower/slock/client" | ||
| "github.com/snower/slock/protocol" | ||
| "github.com/snower/slock/protocol/protobuf" | ||
| "github.com/snower/slock/server" | ||
| "google.golang.org/protobuf/proto" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
| "time" | ||
| ) | ||
|
|
||
| func subscribe(client *client.Client, finishWaiter chan bool) { | ||
| fmt.Printf("start wait poll arbiter changing\n") | ||
| version, vertime := uint32(0), uint64(0) | ||
| for { | ||
| request := protobuf.ArbiterMemberListRequest{PollTimeout: 5, Version: version, Vertime: vertime} | ||
| data, err := proto.Marshal(&request) | ||
| if err != nil { | ||
| fmt.Printf("poll wait build request error %v\n", err) | ||
| close(finishWaiter) | ||
| return | ||
| } | ||
| command := protocol.NewCallCommand("REPL_MLIST", data) | ||
| commandResult, rerr := client.ExecuteCommand(command, 10) | ||
| if rerr != nil { | ||
| fmt.Printf("poll wait error %v\n", rerr) | ||
| close(finishWaiter) | ||
| return | ||
| } | ||
| callResultCommand, ok := commandResult.(*protocol.CallResultCommand) | ||
| if !ok { | ||
| fmt.Printf("poll wait unkown command result error %v\n", commandResult) | ||
| close(finishWaiter) | ||
| return | ||
| } | ||
| if callResultCommand.Result != 0 || callResultCommand.ErrType != "" { | ||
| if callResultCommand.ErrType == "ERR_UNINIT" || callResultCommand.ErrType == "ERR_PTIMEOUT" { | ||
| continue | ||
| } | ||
| fmt.Printf("poll wait command result error %d %v\n", callResultCommand.Result, callResultCommand.ErrType) | ||
| close(finishWaiter) | ||
| return | ||
| } | ||
| response := protobuf.ArbiterMemberListResponse{} | ||
| err = proto.Unmarshal(callResultCommand.Data, &response) | ||
| if err != nil { | ||
| fmt.Printf("poll wait parse response error %v\n", callResultCommand.ErrType) | ||
| close(finishWaiter) | ||
| return | ||
| } | ||
| version, vertime = response.Version, response.Vertime | ||
| if response.Members == nil || len(response.Members) == 0 { | ||
| continue | ||
| } | ||
|
|
||
| fmt.Printf("Replset Member Status: %s\n", time.Now().Format("2006-01-02 15:04:05.999999999-0700")) | ||
| for _, member := range response.Members { | ||
| arbiter, isself, status, abstianed, closed := "no", "no", "offline", "no", "no" | ||
| if member.Arbiter != 0 { | ||
| arbiter = "yes" | ||
| } | ||
| if member.IsSelf { | ||
| isself = "yes" | ||
| } | ||
| if member.Status == server.ARBITER_MEMBER_STATUS_ONLINE { | ||
| status = "online" | ||
| } | ||
| if member.Abstianed { | ||
| abstianed = "yes" | ||
| } | ||
| if member.Closed { | ||
| closed = "yes" | ||
| } | ||
| fmt.Printf("%s Weight:%d,Arbiter:%s,Role:%s,Status:%s,LastUpdated:%d,LastDelay:%.2f,LastError:%d,AofId:%x,IsSelf:%s,Abstianed:%s,Closed:%s\n", | ||
| member.Host, member.Weight, arbiter, server.ROLE_NAMES[member.Role], status, member.LastUpdated/1e6, float64(member.LastDelay)/1e6, | ||
| member.LastError, member.AofId, isself, abstianed, closed) | ||
| } | ||
| fmt.Println() | ||
| } | ||
| } | ||
|
|
||
| func main() { | ||
| port := flag.Int("port", 5658, "port") | ||
| host := flag.String("host", "127.0.0.1", "host") | ||
|
|
||
| flag.Parse() | ||
|
|
||
| c := client.NewClient(*host, uint(*port)) | ||
| err := c.Open() | ||
| if err != nil { | ||
| fmt.Printf("Client open error %v\n", err) | ||
| return | ||
| } | ||
|
|
||
| finishWaiter, stopSignal := make(chan bool, 1), make(chan os.Signal, 1) | ||
| signal.Notify(stopSignal, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM) | ||
| go subscribe(c, finishWaiter) | ||
| select { | ||
| case <-finishWaiter: | ||
| err := c.Close() | ||
| if err != nil { | ||
| fmt.Printf("Client close error %v\n", err) | ||
| return | ||
| } | ||
| case <-stopSignal: | ||
| err := c.Close() | ||
| if err != nil { | ||
| fmt.Printf("Client close error %v\n", err) | ||
| return | ||
| } | ||
| case <-c.Unavailable(): | ||
| err := c.Close() | ||
| if err != nil { | ||
| fmt.Printf("Client close error %v\n", err) | ||
| return | ||
| } | ||
| } | ||
| } |
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