final ServerRunningData serverData = new ServerRunningData(cid, ip + ":" + port);
ServerRunningMonitors.setServerData(serverData);
ServerRunningMonitors.setRunningMonitors(new MapMaker().makeComputingMap(new Function<String, ServerRunningMonitor>() {
public ServerRunningMonitor apply(final String destination) {
ServerRunningMonitor runningMonitor = new ServerRunningMonitor(serverData);
runningMonitor.setDestination(destination);
runningMonitor.setListener(new ServerRunningListener() {
public void processActiveEnter() {
try {
MDC.put(CanalConstants.MDC_DESTINATION, String.valueOf(destination));
embededCanalServer.start(destination);
} finally {
MDC.remove(CanalConstants.MDC_DESTINATION);
}
}
public void processActiveExit() {
try {
MDC.put(CanalConstants.MDC_DESTINATION, String.valueOf(destination));
embededCanalServer.stop(destination);
} finally {
MDC.remove(CanalConstants.MDC_DESTINATION);
}
}
public void processStart() {
try {
if (zkclientx != null) {
final String path = ZookeeperPathUtils.getDestinationClusterNode(destination, ip + ":"
+ port);
initCid(path);
zkclientx.subscribeStateChanges(new IZkStateListener() {
public void handleStateChanged(KeeperState state) throws Exception {
}
public void handleNewSession() throws Exception {
initCid(path);
}
});
}
} finally {
MDC.remove(CanalConstants.MDC_DESTINATION);
}
}
public void processStop() {
try {
MDC.put(CanalConstants.MDC_DESTINATION, String.valueOf(destination));
if (zkclientx != null) {
final String path = ZookeeperPathUtils.getDestinationClusterNode(destination, ip + ":"
+ port);
releaseCid(path);
}
} finally {
MDC.remove(CanalConstants.MDC_DESTINATION);
}
}
});
if (zkclientx != null) {
runningMonitor.setZkClient(zkclientx);
}
return runningMonitor;
}
}));
embededCanalServer = new CanalServerWithEmbeded();
embededCanalServer.setCanalInstanceGenerator(instanceGenerator);// 设置自定义的instanceGenerator
canalServer = new CanalServerWithNetty(embededCanalServer);
canalServer.setIp(ip);
canalServer.setPort(port);
canalServer.setStopInstanceAsPossible(stopInstanceAsPossible);
// 初始化monitor机制
autoScan = BooleanUtils.toBoolean(getProperty(properties, CanalConstants.CANAL_AUTO_SCAN));
if (autoScan) {
defaultAction = new InstanceAction() {
public void start(String destination) {
InstanceConfig config = instanceConfigs.get(destination);
if (config == null) {
config = new InstanceConfig(globalInstanceConfig);
instanceConfigs.put(destination, config);
}
if (!config.getLazy() && !embededCanalServer.isStart(destination)) {
// HA机制启动
ServerRunningMonitor runningMonitor = ServerRunningMonitors.getRunningMonitor(destination);
if (!runningMonitor.isStart()) {
runningMonitor.start();
}
}
}
public void stop(String destination) {
// 此处的stop，代表强制退出，非HA机制，所以需要退出HA的monitor和配置信息
InstanceConfig config = instanceConfigs.remove(destination);
if (config != null) {
embededCanalServer.stop(destination);
ServerRunningMonitor runningMonitor = ServerRunningMonitors.getRunningMonitor(destination);
if (runningMonitor.isStart()) {
runningMonitor.stop();
}
}
}
public void reload(String destination) {