cmd/vapor/main.go

   1 package main
   2
   3 import (
   4         "os"
   5         "path"
   6         "runtime"
   7         "strings"
   8
   9         log "github.com/sirupsen/logrus"
  10         "github.com/tendermint/tmlibs/cli"
  11
  12         "github.com/vapor/cmd/vapor/commands"
  13         "github.com/vapor/config"
  14 )
  15
  16 // ContextHook is a hook for logrus.
  17 type ContextHook struct{}
  18
  19 // Levels returns the whole levels.
  20 func (hook ContextHook) Levels() []log.Level {
  21         return log.AllLevels
  22 }
  23
  24 // Fire helps logrus record the related file, function and line.
  25 func (hook ContextHook) Fire(entry *log.Entry) error {
  26         pc := make([]uintptr, 3, 3)
  27         cnt := runtime.Callers(6, pc)
  28
  29         for i := 0; i < cnt; i++ {
  30                 fu := runtime.FuncForPC(pc[i] - 1)
  31                 name := fu.Name()
  32                 if !strings.Contains(name, "github.com/Sirupsen/log") {
  33                         file, line := fu.FileLine(pc[i] - 1)
  34                         entry.Data["file"] = path.Base(file)
  35                         entry.Data["func"] = path.Base(name)
  36                         entry.Data["line"] = line
  37                         break
  38                 }
  39         }
  40         return nil
  41 }
  42
  43 func init() {
  44         log.SetFormatter(&log.TextFormatter{FullTimestamp: true, DisableColors: true})
  45
  46         // If environment variable BYTOM_DEBUG is not empty,
  47         // then add the hook to logrus and set the log level to DEBUG
  48         if os.Getenv("BYTOM_DEBUG") != "" {
  49                 log.AddHook(ContextHook{})
  50         }
  51 }
  52
  53 func main() {
  54         cmd := cli.PrepareBaseCmd(commands.RootCmd, "TM", os.ExpandEnv(config.DefaultDataDir()))
  55         cmd.Execute()
  56 }