func main() { var err error // 先设定工作目录 var dir string dir, err = util.GetDir() if err != nil { log.Fatalln("My God, GetDir Fatal!") } dir = path.Dir(dir) // 检测是否存在错误锁定 if ok, _ := util.IsExist(dir + util.LOCKFILE); ok { log.Fatalln("Sorry, encoder had locked, please check error!") } // 启动daemon模式 var isDaemon bool if len(os.Args) > 1 && os.Args[1] == "-d" { _, err = daemon.Daemon(1, 0) if err != nil { log.Fatalln(err) } isDaemon = true } // 加载配置文件 config := parseConfig(dir+CONFIG_FILE, dir) // 加载过滤列表 excludeList := parseExcludeList(dir + EXCLUDE_FILE) // 初始化日志 var logFileHandle *os.File if isDaemon { logFileHandle, err = os.OpenFile(config["logFile"], os.O_CREATE|os.O_RDWR|os.O_APPEND, 0666) defer logFileHandle.Close() if err != nil { log.Fatalln(err.Error()) } } else { logFileHandle = os.Stderr } logger := log.New(logFileHandle, "", log.Ldate|log.Ltime) var encoder client.Encoder if config["versionType"] == "git" { // GIT git := new(client.GitEncoder) git.Config = config git.ExcludeList = excludeList git.Pwd = dir git.Logger = logger encoder = git } else { // SVN svn := new(client.SvnEncoder) svn.Config = config svn.ExcludeList = excludeList svn.Pwd = dir svn.Logger = logger encoder = svn } // 开始工作啦 sign := make(chan bool) encoder.Info("autoencode starting...") go encoder.Run(sign) // 启动信号监听,等待所有Process都运行结束 trapSignal(encoder) <-sign // 停止工作 encoder.Info("autoencode stopped.") }
// 处理系统信号 // 监听系统信号,重启或停止服务 func trapSignal(server client.Encoder) { sch := make(chan os.Signal, 10) signal.Notify(sch, syscall.SIGTERM, syscall.SIGKILL, syscall.SIGINT, syscall.SIGHUP, syscall.SIGSTOP, syscall.SIGQUIT) go func(ch <-chan os.Signal) { sig := <-ch server.Shutdown("signal recieved " + sig.String() + ", at: " + time.Now().String()) if sig == syscall.SIGHUP { server.Info("autoencode restart now...") procAttr := new(os.ProcAttr) procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr} procAttr.Dir = os.Getenv("PWD") procAttr.Env = os.Environ() process, err := os.StartProcess(os.Args[0], os.Args, procAttr) if err != nil { server.Info("autoencode restart process failed:" + err.Error()) return } waitMsg, err := process.Wait() if err != nil { server.Info("autoencode restart wait error:" + err.Error()) } server.Info(waitMsg) } else { server.Info("autoencode shutdown now...") } }(sch) }