mirror of https://github.com/ouqiang/gocron
138 lines
3.1 KiB
Go
138 lines
3.1 KiB
Go
package cmd
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import (
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"github.com/ouqiang/gocron/modules/app"
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"github.com/ouqiang/gocron/routers"
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"github.com/urfave/cli"
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"gopkg.in/macaron.v1"
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"os"
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"os/signal"
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"syscall"
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"github.com/ouqiang/gocron/modules/logger"
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"github.com/ouqiang/gocron/service"
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"github.com/ouqiang/gocron/models"
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"github.com/ouqiang/gocron/modules/setting"
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"time"
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)
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// web服务器默认端口
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const DefaultPort = 5920
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var CmdWeb = cli.Command{
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Name: "web",
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Usage: "run web server",
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Action: run,
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Flags: []cli.Flag{
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cli.IntFlag{
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Name: "port,p",
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Value: DefaultPort,
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Usage: "bind port number",
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},
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cli.StringFlag{
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Name: "env,e",
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Value: "prod",
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Usage: "runtime environment, dev|test|prod",
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},
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},
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}
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func run(ctx *cli.Context) {
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// 设置运行环境
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setEnvironment(ctx)
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// 初始化应用
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app.InitEnv()
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// 初始化模块 DB、定时任务等
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initModule()
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// 捕捉信号,配置热更新等
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go catchSignal()
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m := macaron.Classic()
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// 注册路由
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routers.Register(m)
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// 注册中间件.
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routers.RegisterMiddleware(m)
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port := parsePort(ctx)
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m.Run(port)
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}
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func initModule() {
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if !app.Installed {
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return
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}
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config, err := setting.Read(app.AppConfig)
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if err != nil {
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logger.Fatal("读取应用配置失败", err)
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}
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app.Setting = config
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models.Db = models.CreateDb()
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// 初始化定时任务
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serviceTask := new(service.Task)
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serviceTask.Initialize()
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}
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// 解析端口
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func parsePort(ctx *cli.Context) int {
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var port int = DefaultPort
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if ctx.IsSet("port") {
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port = ctx.Int("port")
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}
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if port <= 0 || port >= 65535 {
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port = DefaultPort
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}
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return port
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}
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func setEnvironment(ctx *cli.Context) {
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var env string = "prod"
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if ctx.IsSet("env") {
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env = ctx.String("env")
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}
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switch env {
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case "prod":
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macaron.Env = macaron.PROD
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case "test":
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macaron.Env = macaron.TEST
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case "dev":
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macaron.Env = macaron.DEV
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}
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}
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// 捕捉信号
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func catchSignal() {
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c := make(chan os.Signal)
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// todo 配置热更新, windows 不支持 syscall.SIGUSR1, syscall.SIGUSR2
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signal.Notify(c, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
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for {
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s := <- c
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logger.Info("收到信号 -- ", s)
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switch s {
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case syscall.SIGHUP:
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logger.Info("收到终端断开信号, 忽略")
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case syscall.SIGINT, syscall.SIGTERM:
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shutdown()
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}
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}
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}
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func shutdown() {
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logger.Info("应用准备退出\n停止任务调度")
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serviceTask := new(service.Task)
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// 停止所有任务调度
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serviceTask.StopAll()
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taskNumInRunning := service.TaskNum.Num()
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logger.Infof("正在运行的任务有%d个", taskNumInRunning)
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for {
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if taskNumInRunning <= 0 {
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break
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}
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time.Sleep(3 * time.Second)
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taskNumInRunning = service.TaskNum.Num()
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}
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logger.Info("已退出")
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os.Exit(0)
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} |