Example #1
0
func (t *Timer) del(td *TimerData) {
	var (
		i    = td.index
		last = len(t.timers) - 1
	)
	if i < 0 || i > last || t.timers[i] != td {
		// already remove, usually by expire
		if Debug {
			log.Debug("timer del i: %d, last: %d, %p", i, last, td)
		}
		return
	}
	if i != last {
		t.swap(i, last)
		t.down(i, last)
		t.up(i)
	}
	// remove item is the last node
	t.timers[last].index = -1 // for safety
	t.timers = t.timers[:last]
	if Debug {
		log.Debug("timer: remove item key: %s, expire: %s, index: %d", td.Key, td.ExpireString(), td.index)
	}
	return
}
Example #2
0
// InitTCP listen all tcp.bind and start accept connections.
func InitTCP(addrs []string, accept int) (err error) {
	var (
		bind     string
		listener *net.TCPListener
		addr     *net.TCPAddr
	)
	for _, bind = range addrs {
		if addr, err = net.ResolveTCPAddr("tcp4", bind); err != nil {
			log.Error("net.ResolveTCPAddr(\"tcp4\", \"%s\") error(%v)", bind, err)
			return
		}
		if listener, err = net.ListenTCP("tcp4", addr); err != nil {
			log.Error("net.ListenTCP(\"tcp4\", \"%s\") error(%v)", bind, err)
			return
		}
		if Debug {
			log.Debug("start tcp listen: \"%s\"", bind)
		}
		// split N core accept
		for i := 0; i < accept; i++ {
			go acceptTCP(DefaultServer, listener)
		}
	}
	return
}
Example #3
0
func (server *Server) Bucket(subKey string) *Bucket {
	idx := cityhash.CityHash32([]byte(subKey), uint32(len(subKey))) % server.bucketIdx
	if Debug {
		log.Debug("\"%s\" hit channel bucket index: %d use cityhash", subKey, idx)
	}
	return server.Buckets[idx]
}
Example #4
0
// pushproc merge proto and push msgs in batch.
func (r *Room) pushproc(timer *itime.Timer, batch int, sigTime time.Duration) {
	var (
		n    int
		last time.Time
		p    *proto.Proto
		td   *itime.TimerData
		buf  = bytes.NewWriterSize(int(proto.MaxBodySize))
	)
	log.Debug("start room: %d goroutine", r.id)
	td = timer.Add(sigTime, func() {
		select {
		case r.proto <- roomReadyProto:
		default:
		}
	})
	for {
		if p = <-r.proto; p == nil {
			break // exit
		} else if p != roomReadyProto {
			// merge buffer ignore error, always nil
			p.WriteTo(buf)
			if n++; n == 1 {
				last = time.Now()
				timer.Set(td, sigTime)
				continue
			} else if n < batch {
				if sigTime > time.Now().Sub(last) {
					continue
				}
			}
		} else {
			if n == 0 {
				continue
			}
		}
		broadcastRoomBytes(r.id, buf.Buffer())
		n = 0
		// TODO use reset buffer
		// after push to room channel, renew a buffer, let old buffer gc
		buf = bytes.NewWriterSize(buf.Size())
	}
	timer.Del(td)
	log.Debug("room: %d goroutine exit", r.id)
}
Example #5
0
// Push pushes the element x onto the heap. The complexity is
// O(log(n)) where n = h.Len().
func (t *Timer) add(td *TimerData) {
	var d itime.Duration
	td.index = len(t.timers)
	// add to the minheap last node
	t.timers = append(t.timers, td)
	t.up(td.index)
	if td.index == 0 {
		// if first node, signal start goroutine
		d = td.Delay()
		t.signal.Reset(d)
		if Debug {
			log.Debug("timer: add reset delay %d ms", int64(d)/int64(itime.Millisecond))
		}
	}
	if Debug {
		log.Debug("timer: push item key: %s, expire: %s, index: %d", td.Key, td.ExpireString(), td.index)
	}
	return
}
Example #6
0
func (this *RoomBucket) Get(roomId int32) (r *Room) {
	this.rwLock.RLock()
	room, ok := this.rooms[roomId]
	if !ok {
		room = NewRoom(roomId, this.round.Timer(this.roomNum), this.options)
		this.rooms[roomId] = room
		this.roomNum++
		log.Debug("new roomId:%d num:%d", roomId, this.roomNum)
	}
	this.rwLock.RUnlock()
	return room
}
Example #7
0
// expire removes the minimum element (according to Less) from the heap.
// The complexity is O(log(n)) where n = max.
// It is equivalent to Del(0).
func (t *Timer) expire() {
	var (
		fn func()
		td *TimerData
		d  itime.Duration
	)
	t.lock.Lock()
	for {
		if len(t.timers) == 0 {
			d = infiniteDuration
			if Debug {
				log.Debug("timer: no other instance")
			}
			break
		}
		td = t.timers[0]
		if d = td.Delay(); d > 0 {
			break
		}
		fn = td.fn
		// let caller put back
		t.del(td)
		t.lock.Unlock()
		if fn == nil {
			log.Warn("expire timer no fn")
		} else {
			if Debug {
				log.Debug("timer key: %s, expire: %s, index: %d expired, call fn", td.Key, td.ExpireString(), td.index)
			}
			fn()
		}
		t.lock.Lock()
	}
	t.signal.Reset(d)
	if Debug {
		log.Debug("timer: expier reset delay %d ms", int64(d)/int64(itime.Millisecond))
	}
	t.lock.Unlock()
	return
}
Example #8
0
func serveTCP(server *Server, conn *net.TCPConn, r int) {
	var (
		// timer
		tr = server.round.Timer(r)
		rp = server.round.Reader(r)
		wp = server.round.Writer(r)
		// ip addr
		lAddr = conn.LocalAddr().String()
		rAddr = conn.RemoteAddr().String()
	)
	if Debug {
		log.Debug("start tcp serve \"%s\" with \"%s\"", lAddr, rAddr)
	}
	server.serveTCP(conn, rp, wp, tr)
}
Example #9
0
// TODO linger close?
func (server *Server) serveTCP(conn *net.TCPConn, rp, wp *bytes.Pool, tr *itime.Timer) {
	var (
		err error
		key string
		hb  time.Duration // heartbeat
		p   *proto.Proto
		b   *Bucket
		trd *itime.TimerData
		rb  = rp.Get()
		wb  = wp.Get()
		ch  = NewChannel(server.Options.CliProto, server.Options.SvrProto, define.NoRoom)
		rr  = &ch.Reader
		wr  = &ch.Writer
	)
	ch.Reader.ResetBuffer(conn, rb.Bytes())
	ch.Writer.ResetBuffer(conn, wb.Bytes())
	// handshake
	trd = tr.Add(server.Options.HandshakeTimeout, func() {
		conn.Close()
	})
	// must not setadv, only used in auth
	if p, err = ch.CliProto.Set(); err == nil {
		if key, ch.RoomId, hb, err = server.authTCP(rr, wr, p); err == nil {
			b = server.Bucket(key)
			err = b.Put(key, ch, tr)
		}
	}
	if err != nil {
		conn.Close()
		rp.Put(rb)
		wp.Put(wb)
		tr.Del(trd)
		log.Error("key: %s handshake failed error(%v)", key, err)
		return
	}
	trd.Key = key
	tr.Set(trd, hb)
	// hanshake ok start dispatch goroutine
	go server.dispatchTCP(key, conn, wr, wp, wb, ch)
	for {
		if p, err = ch.CliProto.Set(); err != nil {
			break
		}
		if err = p.ReadTCP(rr); err != nil {
			break
		}
		//p.Time = *globalNowTime
		if p.Operation == define.OP_HEARTBEAT {
			tr.Set(trd, hb)
			p.Body = nil
			p.Operation = define.OP_HEARTBEAT_REPLY
			if Debug {
				log.Debug("key: %s receive heartbeat", key)
			}
		} else {
			if err = server.operator.Operate(p); err != nil {
				break
			}
		}
		ch.CliProto.SetAdv()
		ch.Signal()
	}
	if err != nil && err != io.EOF {
		log.Error("key: %s server tcp failed error(%v)", key, err)
	}
	b.Del(key)
	tr.Del(trd)
	rp.Put(rb)
	conn.Close()
	ch.Close()
	if err = server.operator.Disconnect(key, ch.RoomId); err != nil {
		log.Error("key: %s operator do disconnect error(%v)", key, err)
	}
	if Debug {
		log.Debug("key: %s server tcp goroutine exit", key)
	}
	return
}
Example #10
0
// dispatch accepts connections on the listener and serves requests
// for each incoming connection.  dispatch blocks; the caller typically
// invokes it in a go statement.
func (server *Server) dispatchTCP(key string, conn *net.TCPConn, wr *bufio.Writer, wp *bytes.Pool, wb *bytes.Buffer, ch *Channel) {
	var (
		p   *proto.Proto
		err error
	)
	if Debug {
		log.Debug("key: %s start dispatch tcp goroutine", key)
	}
	for {
		p = ch.Ready()
		if Debug {
			log.Debug("key:%s dispatch msg:%v", key, *p)
		}

		switch p {
		case proto.ProtoFinish:
			if Debug {
				log.Debug("key: %s wakeup exit dispatch goroutine", key)
			}
			goto failed
		case proto.ProtoReady:
			// fetch message from svrbox(client send)
			for {
				if p, err = ch.CliProto.Get(); err != nil {
					err = nil // must be empty error
					break
				}
				//LogSlow(SlowLogTypeReceive, key, p)
				if err = p.WriteTCP(wr); err != nil {
					goto failed
				}
				p.Body = nil // avoid memory leak
				ch.CliProto.GetAdv()
			}
		default:
			// server send
			//LogSlow(SlowLogTypeReceive, key, p)
			if err = p.WriteTCP(wr); err != nil {
				goto failed
			}
		}
		// only hungry flush response
		if err = wr.Flush(); err != nil {
			break
		}
	}
failed:
	if err != nil {
		log.Error("key: %s dispatch tcp error(%v)", key, err)
	}
	conn.Close()
	wp.Put(wb)
	// must ensure all channel message discard, for reader won't blocking Signal
	for {
		if p == proto.ProtoFinish {
			break
		}
		p = ch.Ready()
	}
	if Debug {
		log.Debug("key: %s dispatch goroutine exit", key)
	}
	return
}
Example #11
0
func websocketReadProto(conn *websocket.Conn, p *Proto) error {
	msg, _ := json.Marshal(p)
	log.Debug("%s", string(msg))
	return websocket.JSON.Receive(conn, p)
}
Example #12
0
func initWebsocket() {
	origin := "http://" + Conf.WebsocketAddr + "/sub"
	url := "ws://" + Conf.WebsocketAddr + "/sub"
	conn, err := websocket.Dial(url, "", origin)
	if err != nil {
		log.Error("websocket.Dial(\"%s\") error(%v)", Conf.WebsocketAddr, err)
		return
	}
	proto := new(Proto)
	proto.Ver = 1
	// auth
	// test handshake timeout
	// time.Sleep(time.Second * 31)
	proto.Operation = OP_AUTH
	seqId := int32(0)
	proto.SeqId = seqId
	proto.Body = []byte("{\"test\":1}")
	if err = websocketWriteProto(conn, proto); err != nil {
		log.Error("websocketWriteProto() error(%v)", err)
		return
	}
	if err = websocketReadProto(conn, proto); err != nil {
		log.Error("websocketReadProto() error(%v)", err)
		return
	}
	log.Debug("auth ok, proto: %v", proto)
	seqId++
	// writer
	go func() {
		proto1 := new(Proto)
		for {
			// heartbeat
			proto1.Operation = OP_HEARTBEAT
			proto1.SeqId = seqId
			proto1.Body = nil
			if err = websocketWriteProto(conn, proto1); err != nil {
				log.Error("tcpWriteProto() error(%v)", err)
				return
			}
			// test heartbeat
			//time.Sleep(time.Second * 31)
			seqId++
			// op_test
			proto1.Operation = OP_TEST
			proto1.SeqId = seqId
			if err = websocketWriteProto(conn, proto1); err != nil {
				log.Error("tcpWriteProto() error(%v)", err)
				return
			}
			seqId++
			time.Sleep(10000 * time.Millisecond)
		}
	}()
	// reader
	for {
		if err = websocketReadProto(conn, proto); err != nil {
			log.Error("tcpReadProto() error(%v)", err)
			return
		}
		if proto.Operation == OP_HEARTBEAT_REPLY {
			log.Debug("receive heartbeat")
			if err = conn.SetReadDeadline(time.Now().Add(25 * time.Second)); err != nil {
				log.Error("conn.SetReadDeadline() error(%v)", err)
				return
			}
		} else if proto.Operation == OP_TEST_REPLY {
			log.Debug("body: %s", string(proto.Body))
		} else if proto.Operation == OP_SEND_SMS_REPLY {
			log.Debug("body: %s", string(proto.Body))
		}
	}
}
Example #13
0
func startClient(key string) {
	//time.Sleep(time.Duration(mrand.Intn(30)) * time.Second)
	quit := make(chan bool, 1)
	defer close(quit)

	conn, err := net.Dial("tcp", os.Args[3])
	if err != nil {
		log.Error("net.Dial(\"%s\") error(%v)", os.Args[3], err)
		return
	}
	seqId := int32(0)
	wr := bufio.NewWriter(conn)
	rd := bufio.NewReader(conn)
	proto := new(Proto)
	proto.Ver = 1
	// auth
	// test handshake timeout
	// time.Sleep(time.Second * 31)
	proto.Operation = OP_AUTH
	proto.SeqId = seqId
	proto.Body = []byte(key)
	if err = tcpWriteProto(wr, proto); err != nil {
		log.Error("tcpWriteProto() error(%v)", err)
		return
	}
	if err = tcpReadProto(rd, proto); err != nil {
		log.Error("tcpReadProto() error(%v)", err)
		return
	}
	log.Debug("key:%s auth ok, proto: %v", key, proto)
	seqId++
	// writer
	go func() {
		proto1 := new(Proto)
		for {
			// heartbeat
			proto1.Operation = OP_HEARTBEAT
			proto1.SeqId = seqId
			proto1.Body = nil
			if err = tcpWriteProto(wr, proto1); err != nil {
				log.Error("key:%s tcpWriteProto() error(%v)", key, err)
				return
			}
			log.Debug("key:%s Write heartbeat", key)
			// test heartbeat
			time.Sleep(heart)
			seqId++
			select {
			case <-quit:
				return
			default:
			}
		}
	}()
	// reader
	for {
		if err = tcpReadProto(rd, proto); err != nil {
			log.Error("key:%s tcpReadProto() error(%v)", key, err)
			quit <- true
			return
		}
		if proto.Operation == OP_HEARTBEAT_REPLY {
			log.Debug("key:%s receive heartbeat", key)
			if err = conn.SetReadDeadline(time.Now().Add(heart + 60*time.Second)); err != nil {
				log.Error("conn.SetReadDeadline() error(%v)", err)
				quit <- true
				return
			}
		} else if proto.Operation == OP_TEST_REPLY {
			log.Debug("body: %s", string(proto.Body))
		} else if proto.Operation == OP_SEND_SMS_REPLY {
			log.Info("key:%s msg: %s", key, string(proto.Body))
			atomic.AddInt64(&countDown, 1)
		}
	}
}
Example #14
0
func initWebsocketTLS() {
	origin := "https://" + Conf.WebsocketAddr + "/sub"
	url := "wss://" + Conf.WebsocketAddr + "/sub"
	conf, err := websocket.NewConfig(url, origin)
	if err != nil {
		log.Error("websocket.NewConfig(\"%s\") error(%v)", Conf.WebsocketAddr, err)
		return
	}
	roots := x509.NewCertPool()
	certPem, err := ioutil.ReadFile(Conf.CertFile)
	if err != nil {
		panic(err)
	}
	ok := roots.AppendCertsFromPEM(certPem)
	if !ok {
		panic("failed to parse root certificate")
	}

	tlsConf := &tls.Config{
		//InsecureSkipVerify: true,
		RootCAs:    roots,
		ServerName: "bili.com",
	}
	conf.TlsConfig = tlsConf

	conn, err := websocket.DialConfig(conf)
	if err != nil {
		log.Error("websocket.Dial(\"%s\") error(%v)", Conf.WebsocketAddr, err)
		return
	}

	proto := new(Proto)
	proto.Ver = 1
	// auth
	// test handshake timeout
	// time.Sleep(time.Second * 31)
	proto.Operation = OP_AUTH
	seqId := int32(0)
	proto.SeqId = seqId
	proto.Body = []byte("{\"test\":1}")
	if err = websocketWriteProto(conn, proto); err != nil {
		log.Error("websocketWriteProto() error(%v)", err)
		return
	}
	if err = websocketReadProto(conn, proto); err != nil {
		log.Error("websocketReadProto() error(%v)", err)
		return
	}
	log.Debug("auth ok, proto: %v", proto)
	seqId++
	// writer
	go func() {
		proto1 := new(Proto)
		for {
			// heartbeat
			proto1.Operation = OP_HEARTBEAT
			proto1.SeqId = seqId
			proto1.Body = nil
			if err = websocketWriteProto(conn, proto1); err != nil {
				log.Error("tcpWriteProto() error(%v)", err)
				return
			}
			// test heartbeat
			//time.Sleep(time.Second * 31)
			seqId++
			// op_test
			proto1.Operation = OP_TEST
			proto1.SeqId = seqId
			if err = websocketWriteProto(conn, proto1); err != nil {
				log.Error("tcpWriteProto() error(%v)", err)
				return
			}
			seqId++
			time.Sleep(10000 * time.Millisecond)
		}
	}()
	// reader
	for {
		if err = websocketReadProto(conn, proto); err != nil {
			log.Error("tcpReadProto() error(%v)", err)
			return
		}
		if proto.Operation == OP_HEARTBEAT_REPLY {
			log.Debug("receive heartbeat")
			if err = conn.SetReadDeadline(time.Now().Add(25 * time.Second)); err != nil {
				log.Error("conn.SetReadDeadline() error(%v)", err)
				return
			}
		} else if proto.Operation == OP_TEST_REPLY {
			log.Debug("body: %s", string(proto.Body))
		} else if proto.Operation == OP_SEND_SMS_REPLY {
			log.Debug("body: %s", string(proto.Body))
		}
	}
}