public void start(final boolean startFactory) throws MQClientException {
switch (this.serviceState) {
case CREATE_JUST:
this.serviceState = ServiceState.START_FAILED;
this.checkConfig();
this.mQClientFactory =
MQClientManager.getInstance().getAndCreateMQClientFactory(this.defaultMQProducer);
boolean registerOK =
mQClientFactory.registerProducer(this.defaultMQProducer.getProducerGroup(), this);
if (!registerOK) {
this.serviceState = ServiceState.CREATE_JUST;
throw new MQClientException(
"The producer group["
+ this.defaultMQProducer.getProducerGroup()
+ "] has been created before, specify another name please."
+ FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL),
null);
}
// 默认Topic注册
this.topicPublishInfoTable.put(
this.defaultMQProducer.getCreateTopicKey(), new TopicPublishInfo());
if (startFactory) {
mQClientFactory.start();
}
log.info("the producer [{}] start OK", this.defaultMQProducer.getProducerGroup());
this.serviceState = ServiceState.RUNNING;
break;
case RUNNING:
case START_FAILED:
case SHUTDOWN_ALREADY:
throw new MQClientException(
"The producer service state not OK, maybe started once, " //
+ this.serviceState //
+ FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
null);
default:
break;
}
this.mQClientFactory.sendHeartbeatToAllBrokerWithLock();
}
private void makeSureStateOK() throws MQClientException {
if (this.serviceState != ServiceState.RUNNING) {
throw new MQClientException(
"The producer service state not OK, " //
+ this.serviceState //
+ FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
null);
}
}
private void makesureInstanceNameIsOnly(final String instanceName) throws MQClientException {
int udpPort = 33333;
int value = instanceName.hashCode();
if (value < 0) {
value = Math.abs(value);
}
udpPort += value % 10000;
try {
this.datagramSocket = new DatagramSocket(udpPort);
} catch (SocketException e) {
throw new MQClientException(
"instance name is a duplicate one["
+ instanceName
+ ","
+ udpPort
+ "], please set a new name"
+ FAQUrl.suggestTodo(FAQUrl.CLIENT_INSTACNCE_NAME_DUPLICATE_URL),
e);
}
}
private SendResult sendDefaultImpl( //
Message msg, //
final CommunicationMode communicationMode, //
final SendCallback sendCallback //
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
// 有效性检查
this.makeSureStateOK();
Validators.checkMessage(msg, this.defaultMQProducer);
final long beginTimestamp = System.currentTimeMillis();
long endTimestamp = beginTimestamp;
TopicPublishInfo topicPublishInfo = this.tryToFindTopicPublishInfo(msg.getTopic());
if (topicPublishInfo != null && topicPublishInfo.ok()) {
MessageQueue mq = null;
Exception exception = null;
SendResult sendResult = null;
int timesTotal = 1 + this.defaultMQProducer.getRetryTimesWhenSendFailed();
for (int times = 0;
times < timesTotal
&& (endTimestamp - beginTimestamp) < this.defaultMQProducer.getSendMsgTimeout();
times++) {
String lastBrokerName = null == mq ? null : mq.getBrokerName();
MessageQueue tmpmq = topicPublishInfo.selectOneMessageQueue(lastBrokerName);
if (tmpmq != null) {
mq = tmpmq;
try {
sendResult = this.sendKernelImpl(msg, mq, communicationMode, sendCallback);
endTimestamp = System.currentTimeMillis();
switch (communicationMode) {
case ASYNC:
return null;
case ONEWAY:
return null;
case SYNC:
if (sendResult.getSendStatus() != SendStatus.SEND_OK) {
if (this.defaultMQProducer.isRetryAnotherBrokerWhenNotStoreOK()) {
continue;
}
}
return sendResult;
default:
break;
}
} catch (RemotingException e) {
log.warn("sendKernelImpl exception", e);
log.warn(msg.toString());
exception = e;
endTimestamp = System.currentTimeMillis();
continue;
} catch (MQClientException e) {
log.warn("sendKernelImpl exception", e);
log.warn(msg.toString());
exception = e;
endTimestamp = System.currentTimeMillis();
continue;
} catch (MQBrokerException e) {
log.warn("sendKernelImpl exception", e);
log.warn(msg.toString());
exception = e;
endTimestamp = System.currentTimeMillis();
switch (e.getResponseCode()) {
case MQResponseCode.TOPIC_NOT_EXIST_VALUE:
case MQResponseCode.SERVICE_NOT_AVAILABLE_VALUE:
case ResponseCode.SYSTEM_ERROR_VALUE:
case MQResponseCode.NO_PERMISSION_VALUE:
continue;
default:
if (sendResult != null) {
return sendResult;
}
throw e;
}
} catch (InterruptedException e) {
log.warn("sendKernelImpl exception", e);
log.warn(msg.toString());
throw e;
}
} else {
break;
}
} // end of for
if (sendResult != null) {
return sendResult;
}
throw new MQClientException("Retry many times, still failed", exception);
}
List<String> nsList = this.getmQClientFactory().getMQClientAPIImpl().getNameServerAddressList();
if (null == nsList || nsList.isEmpty()) {
// 说明没有设置Name Server地址
throw new MQClientException(
"No name server address, please set it."
+ FAQUrl.suggestTodo(FAQUrl.NAME_SERVER_ADDR_NOT_EXIST_URL),
null);
}
throw new MQClientException(
"No route info of this topic, "
+ msg.getTopic()
+ FAQUrl.suggestTodo(FAQUrl.NO_TOPIC_ROUTE_INFO),
null);
}