/** Loops on processing a client forever */
public void run() {
TProcessor processor = null;
TTransport inputTransport = null;
TTransport outputTransport = null;
TProtocol inputProtocol = null;
TProtocol outputProtocol = null;
try {
processor = processorFactory_.getProcessor(client_);
inputTransport = inputTransportFactory_.getTransport(client_);
outputTransport = outputTransportFactory_.getTransport(client_);
inputProtocol = inputProtocolFactory_.getProtocol(inputTransport);
outputProtocol = outputProtocolFactory_.getProtocol(outputTransport);
// we check stopped_ first to make sure we're not supposed to be shutting
// down. this is necessary for graceful shutdown.
while (!stopped_ && processor.process(inputProtocol, outputProtocol)) {}
} catch (TTransportException ttx) {
// Assume the client died and continue silently
} catch (TException tx) {
LOGGER.error("Thrift error occurred during processing of message.", tx);
} catch (Exception x) {
LOGGER.error("Error occurred during processing of message.", x);
}
if (inputTransport != null) {
inputTransport.close();
}
if (outputTransport != null) {
outputTransport.close();
}
}
@Override
public void onMessage(String key, String msg) {
if (LOGGER.isInfoEnabled()) {
LOGGER.info("redis event: " + key + " = " + msg);
}
if (msg.equals(Constants.REGISTER) || msg.equals(Constants.UNREGISTER)) {
try {
Jedis jedis = jedisPool.getResource();
try {
doNotify(jedis, key);
} finally {
jedis.close();
}
} catch (Throwable t) {
LOGGER.error(t.getMessage(), t);
}
}
}
@Override
public void run() {
try {
while (running) {
int retryTimes = 0;
for (Map.Entry<String, JedisPool> entry : jedisPools.entrySet()) {
try {
JedisPool jedisPool = entry.getValue();
jedis = jedisPool.getResource();
if (listenNodePath.equals(monitorId) && !redisAvailable) {
redisAvailable = true;
appContext.getRegistryStatMonitor().setAvailable(redisAvailable);
}
try {
retryTimes = 0;
jedis.subscribe(new NotifySub(jedisPool), listenNodePath); // 阻塞
break;
} finally {
jedis.close();
}
} catch (Throwable t) { // 重试另一台
LOGGER.warn(
"Failed to subscribe node from redis registry. registry: " + entry.getKey(), t);
if (++retryTimes % jedisPools.size() == 0) {
// 如果在所有redis都不可用，需要休息一会，避免空转占用过多cpu资源
sleep(reconnectPeriod);
if (listenNodePath.equals(monitorId) && redisAvailable) {
redisAvailable = false;
appContext.getRegistryStatMonitor().setAvailable(redisAvailable);
}
}
}
}
}
} catch (Throwable t) {
LOGGER.error(t.getMessage(), t);
}
}