web_hgtv_server/app/server/server.go

package server

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"
	"videoweb/app/appg"
	"videoweb/app/router"
	"videoweb/app/service/appser"
	"videoweb/app/service/configser"
	"videoweb/app/service/playletcache"
	"videoweb/app/service/translationser"
	ipstatsync "videoweb/app/skd/ipstat"
	"videoweb/app/skd/seo"
	"videoweb/pub/common/ipaddr"
	"videoweb/pub/common/log"
	"videoweb/pub/common/srvversion"
	"videoweb/pub/common/tgbot"
	"videoweb/pub/esmanager"
	"videoweb/pub/models"
	"videoweb/pub/mongos"
	"videoweb/pub/redis"
	"videoweb/pub/storage/proxy"

	"gopkg.in/yaml.v2"
)

func init() {
	time.Local, _ = time.LoadLocation("Asia/Shanghai")
}
func Run(args []string) {
	showVersion()
	if err := initConfig(); err != nil {
		log.Error("init config failed", log.E(err))
		os.Exit(1)
	}

	if err := initMongoDB(); err != nil {
		log.Error("init mongodb failed", log.E(err))
		os.Exit(1)
	}

	//初始化tg机器人
	if appg.Conf.TgToken != "" {
		//	tgbot.InitTgBot(appg.Conf.TgToken, "[汁乎App]")
		//tgbot.SendToProgram("Test", "Test")
	}
	detectorV6, err := ipaddr.NewXDBDetectorV6("conf/ip2region_v6.xdb")
	if err != nil {
		fmt.Printf("创建检测器失败: %v\n", err)
		fmt.Println("正在尝试下载数据库文件...")
	}
	appg.DetectorV6 = detectorV6

	detectorV4, err := ipaddr.NewXDBDetectorV4("conf/ip2region_v4.xdb")
	if err != nil {
		fmt.Printf("创建检测器失败: %v\n", err)
		fmt.Println("正在尝试下载数据库文件...")
	}
	appg.DetectorV4 = detectorV4
	proxy.InitBucketVideoAddress(appg.Conf.BucketVideoAddressV2)
	mongos.StartLid()
	initRedis()
	if err := initElasticSearch(); err != nil {
		log.Error("init ES failed", log.E(err))
		os.Exit(1)
	}
	initData()
	ipstatsync.StartSync()

	initHttpServer()
	//tgbot.SendToProgram("启动", "app启动完毕")
	shutdownHandler()
}

func initConfig() error {

	buf, err := ioutil.ReadFile("conf/app.yaml")
	if err != nil {
		return err
	}
	if err = yaml.Unmarshal(buf, &appg.Conf); err != nil {
		return err
	}
	// nameBuf, err := ioutil.ReadFile("conf/names.yaml")
	// if err != nil {
	// 	return err
	// }
	// if err = yaml.Unmarshal(nameBuf, &appg.Name); err != nil {
	// 	return err
	// }

	// pictureBuf, err := ioutil.ReadFile("conf/picture.yaml")
	// if err != nil {
	// 	return err
	// }

	// if err = yaml.Unmarshal(pictureBuf, &appg.Picture); err != nil {
	// 	return err
	// }

	return nil
}

func initMongoDB() error {
	shopDb := mongos.NewManager(appg.Conf.Mongodb.Addr)
	if err := shopDb.Init(); err != nil {
		return err
	}
	mongos.Shop = shopDb

	ycShopDb := mongos.NewManager(appg.Conf.Mongodb.LogAddr)
	if err := ycShopDb.Init(); err != nil {
		return err
	}
	mongos.ShopLog = ycShopDb
	return nil
}

func initElasticSearch() error {
	es, err := esmanager.NewManager(appg.Conf.Es.Addr,
		appg.Conf.Es.User, appg.Conf.Es.Pass)
	if err != nil {
		log.Info("new es failed", log.Any("err", err))
		return err
	}
	if err = es.ClientConnect(); err != nil {
		log.Info("connect es failed", log.Any("err", err))
		return err
	}
	esmanager.Instance = es
	log.Info("es:Init Ok!")
	return nil
}

// 数据
func initData() {
	models.Init()
	// service.Start()
	appg.InitCache()
	translationser.Start()
	configser.Start()
	appser.Start()
	playletcache.Start()
	seo.Start()
}

func initRedis() error {
	if err := redis.Init(redis.Options{
		Addr: appg.Conf.Redis.Addr,
		Psw:  appg.Conf.Redis.Passwd,
		Db:   appg.Conf.Redis.Db,
	}); err != nil {
		log.Error("redis connect err", log.E(err))
		return err
	}
	return nil
}

func showVersion() {
	log.Info(fmt.Sprintf("sevice version:%s", srvversion.SERVICE_VERSION))
	log.Info(fmt.Sprintf("git version:%s", srvversion.GIT_VERSION))
	log.Info(fmt.Sprintf("build date:%s", srvversion.BUILD_DATE))
	log.Info(fmt.Sprintf("build ip:%s", srvversion.BUILD_IP))
}

func initHttpServer() {
	addr := fmt.Sprintf(":%s", appg.Conf.ListenAddr)
	srv := &http.Server{
		Addr:    addr,
		Handler: router.Init(),
	}
	go func() {
		// service connections
		log.Info("服务已启动", log.Any("地址", addr))
		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			log.Fatal("listen:", log.E(err))
		}
	}()
}

func shutdownHandler() {
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM, os.Kill)
	<-quit
	log.Warn("Shutdown... server")

	done := make(chan int)
	go func() {
		mongos.Shop.DisConnect()
		mongos.ShopLog.DisConnect()
		redis.Disconnect()
		configser.Stop()
		tgbot.ReleaseTgBot()
		close(done)
	}()
	select {
	case <-time.After(5 * time.Second):
		log.Warn("shutdown timeout....")
	case <-done:
		log.Info("graceful shutdown")
	}
}