package main

import (
	"github.com/pkg/profile"
	"io/ioutil"
	_ "net/http/pprof"
	"os"
	"rocommon"
	"rocommon/service"
	_ "rocommon/socket"
	_ "rocommon/socket/tcp"
	_ "rocommon/socket/websocket"
	"roserver/baseserver"
	"roserver/baseserver/model"
	_ "roserver/gate/model"
	"runtime"
	"strconv"
	"syscall"
)

func main() {
	//记录gate pid用来做关闭操作
	sysType := runtime.GOOS
	if sysType != "windows" {
		if pid := syscall.Getpid(); pid != 1 {
			fileName := "gate_server.pid" + strconv.Itoa(pid)
			ioutil.WriteFile(fileName, []byte(strconv.Itoa(pid)), 0777)
			defer os.Remove(fileName)
		}
	}

	//chybenchmark
	//go func() {
	//	log.Fatal(http.ListenAndServe(":9091", nil))
	//}()
	//go func() {
	//	delayTimer := time.NewTimer(10 * time.Second)
	//	for {
	//		delayTimer.Reset(10 * time.Second)
	//		select {
	//		case <-delayTimer.C:
	//			//debug.FreeOSMemory()
	//			runtime.GC()
	//
	//			var ms runtime.MemStats
	//			runtime.ReadMemStats(&ms)
	//			log.Printf("Alloc:%d(kb) HeapIdle:%d(kb) HeapReleased:%d(kb)", ms.Alloc/1024, ms.HeapIdle/1024, ms.HeapReleased/1024)
	//			log.Printf("Alloc:%d(M) HeapIdle:%d(M) HeapReleased:%d(M)", ms.Alloc/1024/1024, ms.HeapIdle/1024/1024, ms.HeapReleased/1024/1024)
	//		}
	//	}
	//}()

	//CPU使用详情
	//https://github.com/pkg/profile/blob/master/profile.go
	//prof := profile.Start(profile.CPUProfile, profile.ProfilePath("./pprof/gate.pprof"), profile.NoShutdownHook)
	prof := profile.Start(profile.MemProfile, profile.ProfilePath("./pprof/gatemem.pprof"), profile.NoShutdownHook)

	baseserver.Init(model.SERVICE_NODE_TYPE_GATE_STR, nil, &model.GateUpdate{})

	//先建立服务器对应的连接，再监听客户端
	sConfig := service.GetServiceConfig()

	model.GateServiceID = service.GetLocalServiceID()
	//需要连接哪些类型的服务器可以通过配置表来决定
	//连接auth用来处理sdk验证相关信息
	for _, concern := range sConfig.Node.Concern {
		//建立需要链接的服务器,可以通过服务器发现etcd来处理(包含在了CreateConnector中)
		baseserver.CreateConnector(baseserver.ServiceParam{
			DiscoveryServiceName: concern,
			DiscoveryServiceZone: sConfig.Node.Zone,
			ServiceType:          "tcpConnector",
			ServiceName:          model.SERVICE_NODE_TYPE_GATE_STR,
			ProcName:             "gate.backend",
		})
	}

	var acceNode rocommon.ServerNode = nil
	if sConfig.Acceptor.Addr != "" {
		if !sConfig.Node.ISWS {
			//创建客户端监听
			acceNode = baseserver.CreateClientAcceptor(baseserver.ServiceParam{
				ServiceName: model.SERVICE_NODE_TYPE_GATE_STR,
				ServiceType: "tcpAcceptor",
				ProcName:    "gate.frontend",
				LisAddr:     sConfig.Acceptor.Addr,
			}, sConfig)
		} else {
			//websocket
			//创建客户端监听
			acceNode = baseserver.CreateWebSocketAcceptor(baseserver.ServiceParam{
				ServiceName: model.SERVICE_NODE_TYPE_GATE_STR,
				ServiceType: "wsAcceptor",
				ProcName:    "gatews.frontend",
				LisAddr:     sConfig.Acceptor.Addr,
			}, sConfig)
		}
	}

	baseserver.Wait()
	prof.Stop()
	baseserver.Exit(acceNode) //需要unregister的node节点

	////内存使用详情
	//f, err := os.Create("./pprof/gate.pprof/gate_mem_profile.pro")
	//if err != nil {
	//	log.Println("err:", err)
	//}
	//pprof.WriteHeapProfile(f)
	//f.Close()
}