Example #1
0
func (client *TCPClient) init() {
	client.Lock()
	defer client.Unlock()

	if client.ConnNum <= 0 {
		client.ConnNum = 1
		log.Release("invalid ConnNum, reset to %v", client.ConnNum)
	}
	if client.ConnectInterval <= 0 {
		client.ConnectInterval = 3 * time.Second
		log.Release("invalid ConnectInterval, reset to %v", client.ConnectInterval)
	}
	if client.PendingWriteNum <= 0 {
		client.PendingWriteNum = 100
		log.Release("invalid PendingWriteNum, reset to %v", client.PendingWriteNum)
	}
	if client.NewAgent == nil {
		log.Fatal("NewAgent must not be nil")
	}
	if client.conns != nil {
		log.Fatal("client is running")
	}

	client.conns = make(ConnSet)
	client.closeFlag = false

	// msg parser
	msgParser := NewMsgParser()
	msgParser.SetMsgLen(client.LenMsgLen, client.MinMsgLen, client.MaxMsgLen)
	msgParser.SetByteOrder(client.LittleEndian)
	client.msgParser = msgParser
}
Example #2
0
func (server *TCPServer) init() {
	ln, err := net.Listen("tcp", server.Addr)
	if err != nil {
		log.Fatal("%v", err)
	}

	if server.MaxConnNum <= 0 {
		server.MaxConnNum = 100
		log.Release("invalid MaxConnNum, reset to %v", server.MaxConnNum)
	}
	if server.PendingWriteNum <= 0 {
		server.PendingWriteNum = 100
		log.Release("invalid PendingWriteNum, reset to %v", server.PendingWriteNum)
	}
	if server.NewAgent == nil {
		log.Fatal("NewAgent must not be nil")
	}

	server.ln = ln
	server.conns = make(ConnSet)

	// msg parser
	msgParser := NewMsgParser()
	msgParser.SetMsgLen(server.LenMsgLen, server.MinMsgLen, server.MaxMsgLen)
	msgParser.SetByteOrder(server.LittleEndian)
	server.msgParser = msgParser
}
Example #3
0
//初始化TCP服务器
func (server *TCPServer) init() {
	ln, err := net.Listen("tcp", server.Addr) //监听
	if err != nil {
		log.Fatal("%v", err)
	}

	if server.MaxConnNum <= 0 { //最大连接数小于0,重置到100
		server.MaxConnNum = 100
		log.Release("invalid MaxConnNum, reset to %v", server.MaxConnNum)
	}
	if server.PendingWriteNum <= 0 { //发送缓冲区长度小于0,重置到100
		server.PendingWriteNum = 100
		log.Release("invalid PendingWriteNum, reset to %v", server.PendingWriteNum)
	}
	if server.NewAgent == nil { //创建代理函数不能为空
		log.Fatal("NewAgent must not be nil")
	}

	server.ln = ln               //保存监听连接器
	server.conns = make(ConnSet) //创建连接集合
	server.closeFlag = false     //关闭标志

	// msg parser
	msgParser := NewMsgParser()                                               //创建消息解析器
	msgParser.SetMsgLen(server.LenMsgLen, server.MinMsgLen, server.MaxMsgLen) //设置消息长度
	msgParser.SetByteOrder(server.LittleEndian)                               //设置字节序
	server.msgParser = msgParser                                              //保存消息解析器
}
Example #4
0
func Run(mods ...module.Module) { //...不定参数语法,参数类型都为module.Module
	// logger
	if conf.LogLevel != "" { //日志级别不为空
		logger, err := log.New(conf.LogLevel, conf.LogPath) //创建一个logger
		if err != nil {
			panic(err)
		}
		log.Export(logger)   //替换默认的gLogger
		defer logger.Close() //Run函数返回,关闭logger
	}

	log.Release("Leaf starting up") //关键日志

	// module
	for i := 0; i < len(mods); i++ { //遍历传入的所有module
		module.Register(mods[i]) //注册module
	}
	module.Init() //初始化模块,并执行各个模块(在各个不同的goroutine里)

	// console
	console.Init() //初始化控制台

	// close
	c := make(chan os.Signal, 1)                       //新建一个管道用于接收系统Signal
	signal.Notify(c, os.Interrupt, os.Kill)            //监听SIGINT和SIGKILL信号(linux下叫这个名字)
	sig := <-c                                         //读信号,没有信号时会阻塞goroutine
	log.Release("Leaf closing down (signal: %v)", sig) //关键日志 服务器关闭
	console.Destroy()                                  //销毁控制台
	module.Destroy()                                   //销毁模块
}
Example #5
0
func Run(mods ...module.Module) {
	// logger
	if conf.LogLevel != "" {
		logger, err := log.New(conf.LogLevel, conf.LogPath)
		if err != nil {
			panic(err)
		}
		log.Export(logger)
		defer logger.Close()
	}

	log.Release("Leaf starting up")

	// module
	for i := 0; i < len(mods); i++ {
		module.Register(mods[i])
	}
	module.Init()

	// cluster
	cluster.Init()

	// console
	console.Init()

	// close
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, os.Kill)
	sig := <-c
	log.Release("Leaf closing down (signal: %v)", sig)
	console.Destroy()
	cluster.Destroy()
	module.Destroy()
}
Example #6
0
func (server *WSServer) Start() {
	ln, err := net.Listen("tcp", server.Addr)
	if err != nil {
		log.Fatal("%v", err)
	}

	if server.MaxConnNum <= 0 {
		server.MaxConnNum = 100
		log.Release("invalid MaxConnNum, reset to %v", server.MaxConnNum)
	}
	if server.PendingWriteNum <= 0 {
		server.PendingWriteNum = 100
		log.Release("invalid PendingWriteNum, reset to %v", server.PendingWriteNum)
	}
	if server.MaxMsgLen <= 0 {
		server.MaxMsgLen = 4096
		log.Release("invalid MaxMsgLen, reset to %v", server.MaxMsgLen)
	}
	if server.HTTPTimeout <= 0 {
		server.HTTPTimeout = 10 * time.Second
		log.Release("invalid HTTPTimeout, reset to %v", server.HTTPTimeout)
	}
	if server.NewAgent == nil {
		log.Fatal("NewAgent must not be nil")
	}

	server.ln = ln
	server.handler = &WSHandler{
		maxConnNum:      server.MaxConnNum,
		pendingWriteNum: server.PendingWriteNum,
		maxMsgLen:       server.MaxMsgLen,
		newAgent:        server.NewAgent,
		conns:           make(WebsocketConnSet),
		upgrader: websocket.Upgrader{
			HandshakeTimeout: server.HTTPTimeout,
			CheckOrigin:      func(_ *http.Request) bool { return true },
		},
	}

	httpServer := &http.Server{
		Addr:           server.Addr,
		Handler:        server.handler,
		ReadTimeout:    server.HTTPTimeout,
		WriteTimeout:   server.HTTPTimeout,
		MaxHeaderBytes: 1024,
	}

	go httpServer.Serve(ln)
}
Example #7
0
// goroutine safe
func DialWithTimeout(url string, sessionNum int, dialTimeout time.Duration, timeout time.Duration) (*DialContext, error) {
	if sessionNum <= 0 {
		sessionNum = 100
		log.Release("invalid sessionNum, reset to %v", sessionNum)
	}

	s, err := mgo.DialWithTimeout(url, dialTimeout)
	if err != nil {
		return nil, err
	}
	s.SetSyncTimeout(timeout)
	s.SetSocketTimeout(timeout)

	c := new(DialContext)

	// sessions
	c.sessions = make(SessionHeap, sessionNum)
	c.sessions[0] = &Session{s, 0, 0}
	for i := 1; i < sessionNum; i++ {
		c.sessions[i] = &Session{s.New(), 0, i}
	}
	heap.Init(&c.sessions)

	return c, nil
}
Example #8
0
File: leaf.go Project: Jasonix/leaf
func Run(mods ...module.Module) {
	// logger
	if conf.LogLevel != "" {
		logger, err := log.New(conf.LogLevel, conf.LogPath)
		if err != nil {
			panic(err)
		}
		log.Export(logger)
		defer logger.Close()
	}

	log.Release("Leaf starting up")

	// profile
	if conf.EnableProfiling {
		now := time.Now()

		filename := fmt.Sprintf("%d%02d%02d_%02d_%02d_%02d.prof",
			now.Year(),
			now.Month(),
			now.Day(),
			now.Hour(),
			now.Minute(),
			now.Second())

		f, err := os.Create(path.Join(conf.ProfilePath, filename))
		if err != nil {
			log.Fatal("%v", err)
		}

		pprof.StartCPUProfile(f)
		defer pprof.StopCPUProfile()
	}

	// module
	for i := 0; i < len(mods); i++ {
		module.Register(mods[i])
	}
	module.Init()

	// close
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, os.Kill)
	sig := <-c
	log.Release("Leaf closing down (signal: %v)", sig)
	module.Destroy()
}
Example #9
0
func (server *TCPServer) run() {
	server.wgLn.Add(1)
	defer server.wgLn.Done()

	var tempDelay time.Duration
	for {
		conn, err := server.ln.Accept()
		if err != nil {
			if ne, ok := err.(net.Error); ok && ne.Temporary() {
				if tempDelay == 0 {
					tempDelay = 5 * time.Millisecond
				} else {
					tempDelay *= 2
				}
				if max := 1 * time.Second; tempDelay > max {
					tempDelay = max
				}
				log.Release("accept error: %v; retrying in %v", err, tempDelay)
				time.Sleep(tempDelay)
				continue
			}
			return
		}
		tempDelay = 0

		server.mutexConns.Lock()
		if len(server.conns) >= server.MaxConnNum {
			server.mutexConns.Unlock()
			conn.Close()
			log.Debug("too many connections")
			continue
		}
		server.conns[conn] = struct{}{}
		server.mutexConns.Unlock()

		server.wgConns.Add(1)

		tcpConn := newTCPConn(conn, server.PendingWriteNum, server.msgParser)
		agent := server.NewAgent(tcpConn)
		go func() {
			agent.Run()

			// cleanup
			tcpConn.Destroy()
			server.mutexConns.Lock()
			delete(server.conns, conn)
			server.mutexConns.Unlock()
			agent.OnClose()

			server.wgConns.Done()
		}()
	}
}
Example #10
0
func (client *TCPClient) dial() net.Conn {
	for {
		conn, err := net.Dial("tcp", client.Addr)
		if err == nil || client.closeFlag {
			return conn
		}

		log.Release("connect to %v error: %v", client.Addr, err)
		time.Sleep(client.ConnectInterval)
		continue
	}
}
Example #11
0
func (client *WSClient) dial() *websocket.Conn {
	for {
		conn, _, err := client.dialer.Dial(client.Addr, nil)
		if err == nil || client.closeFlag {
			return conn
		}

		log.Release("connect to %v error: %v", client.Addr, err)
		time.Sleep(client.ConnectInterval)
		continue
	}
}
Example #12
0
func Example() {
	name := "Leaf"

	log.Debug("My name is %v", name)
	log.Release("My name is %v", name)
	log.Error("My name is %v", name)
	// log.Fatal("My name is %v", name)

	logger, err := log.New("release", "")
	if err != nil {
		return
	}
	defer logger.Close()

	logger.Debug("will not print")
	logger.Release("My name is %v", name)

	log.Export(logger)

	log.Debug("will not print")
	log.Release("My name is %v", name)
}
Example #13
0
func (client *WSClient) init() {
	client.Lock()
	defer client.Unlock()

	if client.ConnNum <= 0 {
		client.ConnNum = 1
		log.Release("invalid ConnNum, reset to %v", client.ConnNum)
	}
	if client.ConnectInterval <= 0 {
		client.ConnectInterval = 3 * time.Second
		log.Release("invalid ConnectInterval, reset to %v", client.ConnectInterval)
	}
	if client.PendingWriteNum <= 0 {
		client.PendingWriteNum = 100
		log.Release("invalid PendingWriteNum, reset to %v", client.PendingWriteNum)
	}
	if client.MaxMsgLen <= 0 {
		client.MaxMsgLen = 4096
		log.Release("invalid MaxMsgLen, reset to %v", client.MaxMsgLen)
	}
	if client.HandshakeTimeout <= 0 {
		client.HandshakeTimeout = 10 * time.Second
		log.Release("invalid HandshakeTimeout, reset to %v", client.HandshakeTimeout)
	}
	if client.NewAgent == nil {
		log.Fatal("NewAgent must not be nil")
	}
	if client.conns != nil {
		log.Fatal("client is running")
	}

	client.conns = make(WebsocketConnSet)
	client.closeFlag = false
	client.dialer = websocket.Dialer{
		HandshakeTimeout: client.HandshakeTimeout,
	}
}
func (data *UserData) saveDB() error {
	//save User

	id := data.User.Id
	affected, err := model.Engine.Id(id).AllCols().Omit("Id", "AccId").Update(data.User)
	if err != nil {
		return fmt.Errorf("save db error: %v", err)
	}
	if affected != 1 {
		log.Error("%v", "save db no affect,may be an error")
	} else {
		log.Release("%v", "save db ok")
	}
	return nil
}
Example #15
0
// goroutine safe
//连接mongodb数据库,返回拨号上下文
func Dial(url string, sessionNum int) (*DialContext, error) {
	if sessionNum <= 0 { //非法会话数
		sessionNum = 100 //重置为100
		log.Release("invalid sessionNum, reset to %v", sessionNum)
	}

	s, err := mgo.Dial(url) //连接数据库
	if err != nil {
		return nil, err
	}

	c := new(DialContext) //创建拨号上下文

	// sessions
	c.sessions = make(SessionHeap, sessionNum) //创建会话堆
	c.sessions[0] = &Session{s, 0, 0}          //保存会话,0索引
	for i := 1; i < sessionNum; i++ {
		c.sessions[i] = &Session{s.New(), 0, i} //利用原始会话创建新的会话。1,2,3,i索引
	}
	heap.Init(&c.sessions) //A heap must be initialized before any of the heap operations can be used

	return c, nil
}
Example #16
0
// goroutine safe
func Dial(url string, sessionNum int) (*DialContext, error) {
	if sessionNum <= 0 {
		sessionNum = 100
		log.Release("invalid sessionNum, reset to %v", sessionNum)
	}

	s, err := mgo.Dial(url)
	if err != nil {
		return nil, err
	}

	c := new(DialContext)

	// sessions
	c.sessions = make(SessionHeap, sessionNum)
	c.sessions[0] = &Session{s, 0, 0}
	for i := 1; i < sessionNum; i++ {
		c.sessions[i] = &Session{s.New(), 0, i}
	}
	heap.Init(&c.sessions)

	return c, nil
}