/*
* 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.inbound;
import org.freeswitch.esl.client.internal.debug.ExecutionHandler;
import org.freeswitch.esl.client.transport.message.EslFrameDecoder;
import org.jboss.netty.channel.ChannelHandler;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.handler.codec.string.StringEncoder;
import org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor;
/**
* End users of the {@link Client} should not need to use this class.
* <p>
* Convenience factory to assemble a Netty processing pipeline for inbound clients.
*
* @author david varnes
*/
public class InboundPipelineFactory implements ChannelPipelineFactory
{
private final ChannelHandler handler;
public InboundPipelineFactory( ChannelHandler handler )
{
this.handler = handler;
}
public ChannelPipeline getPipeline() throws Exception
{
ChannelPipeline pipeline = Channels.pipeline();
pipeline.addLast( "encoder", new StringEncoder() );
pipeline.addLast( "decoder", new EslFrameDecoder( 8192 ) );
// Add an executor to ensure separate thread for each upstream message from here
pipeline.addLast( "executor", new ExecutionHandler(
new OrderedMemoryAwareThreadPoolExecutor( 16, 1048576, 1048576 ) ) );
// now the inbound client logic
pipeline.addLast( "clientHandler", handler );
return pipeline;
}
}