Exemple #1
0
func (p *protocolV2) internalMPUBAndTrace(client *nsqd.ClientV2, params [][]byte, traceEnable bool) ([]byte, error) {
	startPub := time.Now().UnixNano()
	_, topic, preErr := p.preparePub(client, params, p.ctx.getOpts().MaxBodySize)
	if preErr != nil {
		return nil, preErr
	}

	messages, buffers, preErr := readMPUB(client.Reader, client.LenSlice, topic,
		p.ctx.getOpts().MaxMsgSize, traceEnable)

	defer func() {
		for _, b := range buffers {
			topic.BufferPoolPut(b)
		}
	}()
	if preErr != nil {
		return nil, preErr
	}

	topicName := topic.GetTopicName()
	partition := topic.GetTopicPart()
	if p.ctx.checkForMasterWrite(topicName, partition) {
		id, offset, rawSize, err := p.ctx.PutMessages(topic, messages)
		//p.ctx.setHealth(err)
		if err != nil {
			topic.GetDetailStats().UpdatePubClientStats(client.RemoteAddr().String(), client.UserAgent, "tcp", int64(len(messages)), true)
			nsqd.NsqLogger().LogErrorf("topic %v put message failed: %v", topic.GetFullName(), err)

			if clusterErr, ok := err.(*consistence.CommonCoordErr); ok {
				if !clusterErr.IsLocalErr() {
					return nil, protocol.NewClientErr(err, FailedOnNotWritable, "")
				}
			}
			return nil, protocol.NewFatalClientErr(err, "E_MPUB_FAILED", err.Error())
		}
		topic.GetDetailStats().UpdatePubClientStats(client.RemoteAddr().String(), client.UserAgent, "tcp", int64(len(messages)), false)
		cost := time.Now().UnixNano() - startPub
		topic.GetDetailStats().UpdateTopicMsgStats(0, cost/1000/int64(len(messages)))
		if !traceEnable {
			return okBytes, nil
		}
		return getTracedReponse(buffers[0], id, 0, offset, rawSize)
	} else {
		topic.GetDetailStats().UpdatePubClientStats(client.RemoteAddr().String(), client.UserAgent, "tcp", int64(len(messages)), true)
		//forward to master of topic
		nsqd.NsqLogger().LogDebugf("should put to master: %v, from %v",
			topic.GetFullName(), client.RemoteAddr)
		topic.DisableForSlave()
		return nil, protocol.NewClientErr(preErr, FailedOnNotLeader, "")
	}
}
Exemple #2
0
func (p *protocolV2) TOUCH(client *nsqd.ClientV2, params [][]byte) ([]byte, error) {
	state := atomic.LoadInt32(&client.State)
	if state != stateSubscribed && state != stateClosing {
		nsqd.NsqLogger().LogWarningf("[%s] command in wrong state: %v", client, state)
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "cannot TOUCH in current state")
	}

	if len(params) < 2 {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "TOUCH insufficient number of params")
	}

	id, err := getFullMessageID(params[1])
	if err != nil {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, err.Error())
	}

	client.LockRead()
	msgTimeout := client.MsgTimeout
	client.UnlockRead()

	if client.Channel == nil {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "No channel")
	}
	err = client.Channel.TouchMessage(client.ID, nsqd.GetMessageIDFromFullMsgID(*id), msgTimeout)
	if err != nil {
		return nil, protocol.NewClientErr(err, "E_TOUCH_FAILED",
			fmt.Sprintf("TOUCH %v failed %s", *id, err.Error()))
	}

	return nil, nil
}
Exemple #3
0
func (p *protocolV2) internalCreateTopic(client *nsqd.ClientV2, params [][]byte) ([]byte, error) {
	var err error

	if len(params) < 3 {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "CREATE_TOPIC insufficient number of parameters")
	}

	topicName := string(params[1])
	if !protocol.IsValidTopicName(topicName) {
		return nil, protocol.NewFatalClientErr(nil, "E_BAD_TOPIC",
			fmt.Sprintf("topic name %q is not valid", topicName))
	}

	partition, err := strconv.Atoi(string(params[2]))
	if err != nil {
		return nil, protocol.NewFatalClientErr(nil, "E_BAD_PARTITION",
			fmt.Sprintf("topic partition is not valid: %v", err))
	}
	if err = p.CheckAuth(client, "CREATE_TOPIC", topicName, ""); err != nil {
		return nil, err
	}

	if partition < 0 {
		return nil, protocol.NewFatalClientErr(nil, "E_BAD_PARTITION", "partition should not less than 0")
	}

	if p.ctx.nsqdCoord != nil {
		return nil, protocol.NewClientErr(err, "E_CREATE_TOPIC_FAILED",
			fmt.Sprintf("CREATE_TOPIC is not allowed here while cluster feature enabled."))
	}

	topic := p.ctx.getTopic(topicName, partition)
	if topic == nil {
		return nil, protocol.NewClientErr(err, "E_CREATE_TOPIC_FAILED",
			fmt.Sprintf("CREATE_TOPIC %v failed", topicName))
	}
	return okBytes, nil
}
Exemple #4
0
func (p *protocolV2) FIN(client *nsqd.ClientV2, params [][]byte) ([]byte, error) {
	state := atomic.LoadInt32(&client.State)
	if state != stateSubscribed && state != stateClosing {
		nsqd.NsqLogger().LogWarningf("[%s] command in wrong state: %v", client, state)
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "cannot FIN in current state")
	}

	if len(params) < 2 {
		nsqd.NsqLogger().LogDebugf("FIN error params: %v", params)
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "FIN insufficient number of params")
	}

	id, err := getFullMessageID(params[1])
	if err != nil {
		nsqd.NsqLogger().LogDebugf("FIN error: %v, %v", params[1], err)
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, err.Error())
	}
	msgID := nsqd.GetMessageIDFromFullMsgID(*id)
	if int64(msgID) <= 0 {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "Invalid Message ID")
	}

	if client.Channel == nil {
		nsqd.NsqLogger().LogDebugf("FIN error no channel: %v", msgID)
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "No channel")
	}

	if !p.ctx.checkForMasterWrite(client.Channel.GetTopicName(), client.Channel.GetTopicPart()) {
		nsqd.NsqLogger().Logf("topic %v fin message failed for not leader", client.Channel.GetTopicName())
		return nil, protocol.NewFatalClientErr(nil, FailedOnNotLeader, "")
	}

	err = p.ctx.FinishMessage(client.Channel, client.ID, client.String(), msgID)
	if err != nil {
		client.IncrSubError(int64(1))
		nsqd.NsqLogger().LogDebugf("FIN error : %v, err: %v, channel: %v, topic: %v", msgID,
			err, client.Channel.GetName(), client.Channel.GetTopicName())
		if clusterErr, ok := err.(*consistence.CommonCoordErr); ok {
			if !clusterErr.IsLocalErr() {
				return nil, protocol.NewFatalClientErr(err, FailedOnNotWritable, "")
			}
		}
		return nil, protocol.NewClientErr(err, "E_FIN_FAILED",
			fmt.Sprintf("FIN %v failed %s", *id, err.Error()))
	}
	client.FinishedMessage()

	return nil, nil
}
Exemple #5
0
func (p *protocolV2) REQ(client *nsqd.ClientV2, params [][]byte) ([]byte, error) {
	state := atomic.LoadInt32(&client.State)
	if state != stateSubscribed && state != stateClosing {
		nsqd.NsqLogger().LogWarningf("[%s] command in wrong state: %v", client, state)
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "cannot REQ in current state")
	}

	if len(params) < 3 {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "REQ insufficient number of params")
	}

	id, err := getFullMessageID(params[1])
	if err != nil {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, err.Error())
	}

	timeoutMs, err := protocol.ByteToBase10(params[2])
	if err != nil {
		return nil, protocol.NewFatalClientErr(err, E_INVALID,
			fmt.Sprintf("REQ could not parse timeout %s", params[2]))
	}
	timeoutDuration := time.Duration(timeoutMs) * time.Millisecond

	if timeoutDuration < 0 || timeoutDuration > p.ctx.getOpts().MaxReqTimeout {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID,
			fmt.Sprintf("REQ timeout %v out of range 0-%v", timeoutDuration, p.ctx.getOpts().MaxReqTimeout))
	}

	if client.Channel == nil {
		return nil, protocol.NewFatalClientErr(nil, E_INVALID, "No channel")
	}
	err = client.Channel.RequeueMessage(client.ID, client.String(), nsqd.GetMessageIDFromFullMsgID(*id), timeoutDuration, true)
	if err != nil {
		client.IncrSubError(int64(1))
		return nil, protocol.NewClientErr(err, "E_REQ_FAILED",
			fmt.Sprintf("REQ %v failed %s", *id, err.Error()))
	}

	client.RequeuedMessage(timeoutDuration > 0)

	return nil, nil
}
Exemple #6
0
func (p *protocolV2) internalPubAndTrace(client *nsqd.ClientV2, params [][]byte, traceEnable bool) ([]byte, error) {
	startPub := time.Now().UnixNano()
	bodyLen, topic, err := p.preparePub(client, params, p.ctx.getOpts().MaxMsgSize)
	if err != nil {
		return nil, err
	}
	if traceEnable && bodyLen <= nsqd.MsgTraceIDLength {
		return nil, protocol.NewFatalClientErr(nil, "E_BAD_BODY",
			fmt.Sprintf("invalid body size %d with trace id enabled", bodyLen))
	}

	messageBodyBuffer := topic.BufferPoolGet(int(bodyLen))
	defer topic.BufferPoolPut(messageBodyBuffer)
	asyncAction := shouldHandleAsync(client, params)

	_, err = io.CopyN(messageBodyBuffer, client.Reader, int64(bodyLen))
	if err != nil {
		return nil, protocol.NewFatalClientErr(err, "E_BAD_MESSAGE", "failed to read message body")
	}
	messageBody := messageBodyBuffer.Bytes()[:bodyLen]

	topicName := topic.GetTopicName()
	partition := topic.GetTopicPart()
	var traceID uint64
	var realBody []byte
	if traceEnable {
		traceID = binary.BigEndian.Uint64(messageBody[:nsqd.MsgTraceIDLength])
		realBody = messageBody[nsqd.MsgTraceIDLength:]
	} else {
		realBody = messageBody
	}
	if p.ctx.checkForMasterWrite(topicName, partition) {
		id := nsqd.MessageID(0)
		offset := nsqd.BackendOffset(0)
		rawSize := int32(0)
		if asyncAction {
			err = internalPubAsync(client.PubTimeout, messageBodyBuffer, topic)
		} else {
			id, offset, rawSize, _, err = p.ctx.PutMessage(topic, realBody, traceID)
		}
		//p.ctx.setHealth(err)
		if err != nil {
			topic.GetDetailStats().UpdatePubClientStats(client.RemoteAddr().String(), client.UserAgent, "tcp", 1, true)
			nsqd.NsqLogger().LogErrorf("topic %v put message failed: %v", topic.GetFullName(), err)
			if clusterErr, ok := err.(*consistence.CommonCoordErr); ok {
				if !clusterErr.IsLocalErr() {
					return nil, protocol.NewClientErr(err, FailedOnNotWritable, "")
				}
			}
			return nil, protocol.NewClientErr(err, "E_PUB_FAILED", err.Error())
		}
		topic.GetDetailStats().UpdatePubClientStats(client.RemoteAddr().String(), client.UserAgent, "tcp", 1, false)
		cost := time.Now().UnixNano() - startPub
		topic.GetDetailStats().UpdateTopicMsgStats(int64(len(realBody)), cost/1000)
		if !traceEnable {
			return okBytes, nil
		}
		return getTracedReponse(messageBodyBuffer, id, traceID, offset, rawSize)
	} else {
		topic.GetDetailStats().UpdatePubClientStats(client.RemoteAddr().String(), client.UserAgent, "tcp", 1, true)
		//forward to master of topic
		nsqd.NsqLogger().LogDebugf("should put to master: %v, from %v",
			topic.GetFullName(), client.RemoteAddr)
		topic.DisableForSlave()
		return nil, protocol.NewClientErr(err, FailedOnNotLeader, "")
	}
}