/** 判断Topic配置信息是否发生变更 */
private boolean isBrokerTopicConfigChanged(
final String brokerAddr, final DataVersion dataVersion) {
BrokerLiveInfo prev = this.brokerLiveTable.get(brokerAddr);
if (null == prev || !prev.getDataVersion().equals(dataVersion)) {
return true;
}
return false;
}
/** @return 如果是slave，则返回master的ha地址 */
public RegisterBrokerResult registerBroker( //
final String clusterName, // 1
final String brokerAddr, // 2
final String brokerName, // 3
final long brokerId, // 4
final String haServerAddr, // 5
final TopicConfigSerializeWrapper topicConfigWrapper, // 6
final List<String> filterServerList, // 7
final Channel channel // 8
) {
RegisterBrokerResult result = new RegisterBrokerResult();
try {
try {
this.lock.writeLock().lockInterruptibly();
// 更新集群信息
Set<String> brokerNames = this.clusterAddrTable.get(clusterName);
if (null == brokerNames) {
brokerNames = new HashSet<String>();
this.clusterAddrTable.put(clusterName, brokerNames);
}
brokerNames.add(brokerName);
boolean registerFirst = false;
// 更新主备信息
BrokerData brokerData = this.brokerAddrTable.get(brokerName);
if (null == brokerData) {
registerFirst = true;
brokerData = new BrokerData();
brokerData.setBrokerName(brokerName);
HashMap<Long, String> brokerAddrs = new HashMap<Long, String>();
brokerData.setBrokerAddrs(brokerAddrs);
this.brokerAddrTable.put(brokerName, brokerData);
}
String oldAddr = brokerData.getBrokerAddrs().put(brokerId, brokerAddr);
registerFirst = registerFirst || (null == oldAddr);
// 更新Topic信息
if (null != topicConfigWrapper //
&& MixAll.MASTER_ID == brokerId) {
if (this.isBrokerTopicConfigChanged(brokerAddr, topicConfigWrapper.getDataVersion()) //
|| registerFirst) {
ConcurrentHashMap<String, TopicConfig> tcTable =
topicConfigWrapper.getTopicConfigTable();
if (tcTable != null) {
for (String topic : tcTable.keySet()) {
TopicConfig topicConfig = tcTable.get(topic);
this.createAndUpdateQueueData(brokerName, topicConfig);
}
}
}
}
// 更新最后变更时间
BrokerLiveInfo prevBrokerLiveInfo =
this.brokerLiveTable.put(
brokerAddr, //
new BrokerLiveInfo( //
System.currentTimeMillis(), //
topicConfigWrapper.getDataVersion(), //
channel, //
haServerAddr));
if (null == prevBrokerLiveInfo) {
log.info("new broker registerd, {} HAServer: {}", brokerAddr, haServerAddr);
}
// 更新Filter Server列表
if (filterServerList != null) {
if (filterServerList.isEmpty()) {
this.filterServerTable.remove(brokerAddr);
} else {
this.filterServerTable.put(brokerAddr, filterServerList);
}
}
// 返回值
if (MixAll.MASTER_ID != brokerId) {
String masterAddr = brokerData.getBrokerAddrs().get(MixAll.MASTER_ID);
if (masterAddr != null) {
BrokerLiveInfo brokerLiveInfo = this.brokerLiveTable.get(masterAddr);
if (brokerLiveInfo != null) {
result.setHaServerAddr(brokerLiveInfo.getHaServerAddr());
result.setMasterAddr(masterAddr);
}
}
}
} finally {
this.lock.writeLock().unlock();
}
} catch (Exception e) {
log.error("registerBroker Exception", e);
}
return result;
}