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
}
func (p *protocolV2) RDY(client *nsqd.ClientV2, params [][]byte) ([]byte, error) {
state := atomic.LoadInt32(&client.State)
if state == stateClosing {
// just ignore ready changes on a closing channel
nsqd.NsqLogger().Logf(
"PROTOCOL(V2): [%s] ignoring RDY after CLS in state ClientStateV2Closing",
client)
return nil, nil
}
if state != stateSubscribed {
nsqd.NsqLogger().LogWarningf("[%s] command in wrong state: %v", client, state)
return nil, protocol.NewFatalClientErr(nil, E_INVALID, "cannot RDY in current state")
}
count := int64(1)
if len(params) > 1 {
b10, err := protocol.ByteToBase10(params[1])
if err != nil {
return nil, protocol.NewFatalClientErr(err, E_INVALID,
fmt.Sprintf("RDY could not parse count %s", params[1]))
}
count = int64(b10)
}
if count < 0 || count > p.ctx.getOpts().MaxRdyCount {
// this needs to be a fatal error otherwise clients would have
// inconsistent state
return nil, protocol.NewFatalClientErr(nil, E_INVALID,
fmt.Sprintf("RDY count %d out of range 0-%d", count, p.ctx.getOpts().MaxRdyCount))
}
client.SetReadyCount(count)
return nil, nil
}