Example #1
0
func (p *ProtocolV2) REQ(client *ClientV2, params [][]byte) ([]byte, error) {
	state := atomic.LoadInt32(&client.State)
	if state != nsq.StateSubscribed && state != nsq.StateClosing {
		return nil, nsq.NewFatalClientErr(nil, "E_INVALID", "cannot REQ in current state")
	}

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

	id := *(*nsq.MessageID)(unsafe.Pointer(&params[1][0]))
	timeoutMs, err := util.ByteToBase10(params[2])
	if err != nil {
		return nil, nsq.NewFatalClientErr(err, "E_INVALID",
			fmt.Sprintf("REQ could not parse timeout %s", params[2]))
	}
	timeoutDuration := time.Duration(timeoutMs) * time.Millisecond

	if timeoutDuration < 0 || timeoutDuration > maxTimeout {
		return nil, nsq.NewFatalClientErr(nil, "E_INVALID",
			fmt.Sprintf("REQ timeout %d out of range 0-%d", timeoutDuration, maxTimeout))
	}

	err = client.Channel.RequeueMessage(client, id, timeoutDuration)
	if err != nil {
		return nil, nsq.NewClientErr(err, "E_REQ_FAILED",
			fmt.Sprintf("REQ %s failed %s", id, err.Error()))
	}

	client.RequeuedMessage()

	return nil, nil
}
Example #2
0
func (p *ProtocolV2) TOUCH(client *ClientV2, params [][]byte) ([]byte, error) {
	state := atomic.LoadInt32(&client.State)
	if state != nsq.StateSubscribed && state != nsq.StateClosing {
		return nil, nsq.NewFatalClientErr(nil, "E_INVALID", "cannot TOUCH in current state")
	}

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

	id := *(*nsq.MessageID)(unsafe.Pointer(&params[1][0]))
	err := client.Channel.TouchMessage(client, id)
	if err != nil {
		return nil, nsq.NewClientErr(err, "E_TOUCH_FAILED",
			fmt.Sprintf("TOUCH %s failed %s", id, err.Error()))
	}

	return nil, nil
}
Example #3
0
func (p *ProtocolV2) FIN(client *ClientV2, params [][]byte) ([]byte, error) {
	var id nsq.MessageID

	state := atomic.LoadInt32(&client.State)
	if state != nsq.StateSubscribed && state != nsq.StateClosing {
		return nil, nsq.NewFatalClientErr(nil, "E_INVALID", "cannot FIN in current state")
	}

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

	copy(id[:], params[1])
	err := client.Channel.FinishMessage(client, id)
	if err != nil {
		return nil, nsq.NewClientErr(err, "E_FIN_FAILED",
			fmt.Sprintf("FIN %s failed %s", id, err.Error()))
	}

	client.FinishedMessage()

	return nil, nil
}