-
Notifications
You must be signed in to change notification settings - Fork 19
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
6 changed files
with
176 additions
and
21 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/gob" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "github.com/Symantec/Dominator/lib/errors" | ||
| "github.com/Symantec/Dominator/lib/log" | ||
| "github.com/Symantec/Dominator/lib/srpc" | ||
| proto "github.com/Symantec/Dominator/proto/logger" | ||
| ) | ||
|
|
||
| func watchSubcommand(clients []*srpc.Client, addrs, args []string, | ||
| logger log.Logger) { | ||
| level, err := strconv.ParseInt(args[0], 10, 16) | ||
| if err != nil { | ||
| logger.Fatalf("Error parsing level: %s\n", err) | ||
| } | ||
| if err != nil { | ||
| logger.Fatalf("Error dialing: %s\n", err) | ||
| } | ||
| if err := watchAll(clients, addrs, int16(level)); err != nil { | ||
| logger.Fatalf("Error watching: %s\n", err) | ||
| } | ||
| os.Exit(0) | ||
| } | ||
|
|
||
| func watchAll(clients []*srpc.Client, addrs []string, level int16) error { | ||
| if len(clients) == 1 { | ||
| return watchOne(clients[0], level, "") | ||
| } | ||
| maxWidth := 0 | ||
| for _, addr := range addrs { | ||
| if len(addr) > maxWidth { | ||
| maxWidth = len(addr) | ||
| } | ||
| } | ||
| errors := make(chan error, 1) | ||
| for index, client := range clients { | ||
| prefix := addrs[index] | ||
| if len(prefix) < maxWidth { | ||
| prefix += strings.Repeat(" ", maxWidth-len(prefix)) | ||
| } | ||
| go func(client *srpc.Client, level int16, prefix string) { | ||
| errors <- watchOne(client, level, prefix) | ||
| }(client, level, prefix) | ||
| } | ||
| for range clients { | ||
| if err := <-errors; err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func watchOne(client *srpc.Client, level int16, prefix string) error { | ||
| request := proto.WatchRequest{ | ||
| ExcludeRegex: *excludeRegex, | ||
| IncludeRegex: *includeRegex, | ||
| Name: *loggerName, | ||
| DebugLevel: level, | ||
| } | ||
| if conn, err := client.Call("Logger.Watch"); err != nil { | ||
| return err | ||
| } else { | ||
| defer conn.Close() | ||
| encoder := gob.NewEncoder(conn) | ||
| if err := encoder.Encode(request); err != nil { | ||
| return err | ||
| } | ||
| if err := conn.Flush(); err != nil { | ||
| return err | ||
| } | ||
| decoder := gob.NewDecoder(conn) | ||
| var response proto.WatchResponse | ||
| if err := decoder.Decode(&response); err != nil { | ||
| return fmt.Errorf("error decoding: %s", err) | ||
| } | ||
| if response.Error != "" { | ||
| return errors.New(response.Error) | ||
| } | ||
| if prefix == "" { | ||
| _, err := io.Copy(os.Stdout, conn) | ||
| return err | ||
| } | ||
| for { | ||
| line, err := conn.ReadString('\n') | ||
| if len(line) > 0 { | ||
| if prefix != "" { | ||
| line = prefix + " " + line | ||
| } | ||
| if _, err := os.Stdout.Write([]byte(line)); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| if err != nil { | ||
| if err == io.EOF { | ||
| return nil | ||
| } | ||
| return err | ||
| } | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters