/*
* Copyright 2010 david varnes.
*
* 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 org.freeswitch.esl.client.outbound;
import java.net.InetSocketAddress;
import java.util.concurrent.Executors;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.channel.group.ChannelGroupFuture;
import org.jboss.netty.channel.group.DefaultChannelGroup;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Entry point to run a socket client that a running FreeSWITCH Event Socket Library module can
* make outbound connections to.
* <p>
* This class provides for what the FreeSWITCH documentation refers to as 'Outbound' connections
* from the Event Socket module. That is, with reference to the module running on the FreeSWITCH
* server, this client accepts an outbound connection from the server module.
* <p>
* See <a href="http://wiki.freeswitch.org/wiki/Mod_event_socket">http://wiki.freeswitch.org/wiki/Mod_event_socket</a>
*
* @author david varnes
*/
public class SocketClient
{
private final Logger log = LoggerFactory.getLogger( this.getClass() );
private final ChannelGroup allChannels = new DefaultChannelGroup( "esl-socket-client" );
private final int port;
private final ChannelFactory channelFactory;
private final AbstractOutboundPipelineFactory pipelineFactory;
public SocketClient( int port, AbstractOutboundPipelineFactory pipelineFactory )
{
this.port = port;
this.pipelineFactory = pipelineFactory;
this.channelFactory = new NioServerSocketChannelFactory(
Executors.newCachedThreadPool(),
Executors.newCachedThreadPool() );
}
public void start()
{
ServerBootstrap bootstrap = new ServerBootstrap( channelFactory );
bootstrap.setPipelineFactory( pipelineFactory );
bootstrap.setOption( "child.tcpNoDelay", true );
bootstrap.setOption( "child.keepAlive", true );
Channel serverChannel = bootstrap.bind( new InetSocketAddress( port ) );
allChannels.add( serverChannel );
log.info( "SocketClient waiting for connections on port [{}] ...", port );
}
public void stop()
{
ChannelGroupFuture future = allChannels.close();
future.awaitUninterruptibly();
channelFactory.releaseExternalResources();
log.info( "SocketClient stopped" );
}
}