// 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)
}
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.")
}