Java tutorial
/** * BigBlueButton open source conferencing system - http://www.bigbluebutton.org/ * * Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below). * * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License as published by the Free Software * Foundation; either version 3.0 of the License, or (at your option) any later * version. * * BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along * with BigBlueButton; if not, see <http://www.gnu.org/licenses/>. * */ package org.bigbluebutton.core.service.recorder; import org.apache.commons.pool2.impl.GenericObjectPoolConfig; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.Protocol; public class RedisDispatcher implements Recorder { private static final String COLON = ":"; private JedisPool redisPool; private int keysExpiresInSec; public RedisDispatcher(String host, int port, String password, int keysExpiresInSec) { GenericObjectPoolConfig config = new GenericObjectPoolConfig(); config.setMaxTotal(32); config.setMaxIdle(8); config.setMinIdle(1); config.setTestOnBorrow(true); config.setTestOnReturn(true); config.setTestWhileIdle(true); config.setNumTestsPerEvictionRun(12); config.setMaxWaitMillis(5000); config.setTimeBetweenEvictionRunsMillis(60000); config.setBlockWhenExhausted(true); this.keysExpiresInSec = keysExpiresInSec; // Set the name of this client to be able to distinguish when doing // CLIENT LIST on redis-cli redisPool = new JedisPool(config, host, port, Protocol.DEFAULT_TIMEOUT, null, Protocol.DEFAULT_DATABASE, "BbbAppsAkkaRec"); } @Override public void record(String session, RecordEvent message) { Jedis jedis = redisPool.getResource(); try { Long msgid = jedis.incr("global:nextRecordedMsgId"); String key = "recording" + COLON + session + COLON + msgid; jedis.hmset(key, message.toMap()); jedis.expire(key, keysExpiresInSec); key = "meeting" + COLON + session + COLON + "recordings"; jedis.rpush(key, msgid.toString()); jedis.expire(key, keysExpiresInSec); } finally { jedis.close(); } } }