Пример #1
0
// auth for goim handshake with client, use rsa & aes.
func (server *Server) authTCP(rr *bufio.Reader, wr *bufio.Writer, p *proto.Proto) (key string, rid int32, heartbeat time.Duration, err error) {
	if err = p.ReadTCP(rr); err != nil {
		return
	}
	if p.Operation != define.OP_AUTH {
		log.Warn("auth operation not valid: %d", p.Operation)
		err = ErrOperation
		return
	}
	if key, rid, heartbeat, err = server.operator.Connect(p); err != nil {
		return
	}
	p.Body = nil
	p.Operation = define.OP_AUTH_REPLY
	if err = p.WriteTCP(wr); err != nil {
		return
	}
	err = wr.Flush()
	return
}
Пример #2
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
}