/**
* Copyright 2012 Comcast Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.comcast.cns.io;
import org.apache.log4j.Logger;
import com.comcast.cmb.common.util.CMBProperties;
import java.util.regex.*;
import java.util.Map;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import java.util.concurrent.ConcurrentHashMap;
/**
* Endpoint publisher for Redis pub/sub endpoints
* @author whatha200
*
*/
public class RedisPubSubEndpointPublisher extends AbstractEndpointPublisher {
protected static Logger logger = Logger.getLogger(RedisPubSubEndpointPublisher.class);
private static Map<String,JedisPool> jedisPoolMap = new ConcurrentHashMap<String,JedisPool>();
protected static int timeoutMS = CMBProperties.getInstance().getRedisPubSubEndpointConnectionTimeoutMS();
@Override
public void send() throws Exception {
if (jedisPoolMap.containsKey(endpoint)) {
long startTime = System.currentTimeMillis();
JedisPool pool = jedisPoolMap.get(endpoint);
Jedis connection = pool.getResource();
String []tokens = endpoint.split("/");
String channel = tokens[tokens.length-1];
long numClients = connection.publish(channel, message.getMessage());
long timeTaken = System.currentTimeMillis() - startTime;
pool.returnResource(connection);
logger.debug("event=send_redis endpoint="+ endpoint + " num_clients=" + numClients + " conn=reuse resp_ms=" + timeTaken);
return;
} else {
long startTime = System.currentTimeMillis();
Matcher m = com.comcast.cns.util.Util.redisPubSubPattern.matcher(endpoint);
if (m.matches()) {
String password = m.group(2);
String host = m.group(3);
String port = m.group(4);
String channel = m.group(5);
JedisPool pool = new JedisPool( new JedisPoolConfig(), host, Integer.parseInt(port), timeoutMS, password);
Jedis connection = pool.getResource();
long numClients = connection.publish(channel, message.getMessage());
long timeTaken = System.currentTimeMillis() - startTime;
logger.debug("event=send_redis endpoint=" + endpoint + " num_clients=" + numClients + " conn=new resp_ms=" + timeTaken);
pool.returnResource(connection);
jedisPoolMap.put(endpoint, pool);
return;
} else {
logger.error("event=send_redis error=badEndpoint endpoint="+endpoint + " topicArn=" + message.getTopicArn());
return;
}
}
}
}