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/*
* Copyright 2014 Open Networking Laboratory
*
* 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.onosproject.openflow.controller.impl;
import java.util.concurrent.ThreadPoolExecutor;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.handler.execution.ExecutionHandler;
import org.jboss.netty.handler.timeout.IdleStateHandler;
import org.jboss.netty.handler.timeout.ReadTimeoutHandler;
import org.jboss.netty.util.ExternalResourceReleasable;
import org.jboss.netty.util.HashedWheelTimer;
import org.jboss.netty.util.Timer;
/**
* Creates a ChannelPipeline for a server-side openflow channel.
*/
public class OpenflowPipelineFactory
implements ChannelPipelineFactory, ExternalResourceReleasable {
protected Controller controller;
protected ThreadPoolExecutor pipelineExecutor;
protected Timer timer;
protected IdleStateHandler idleHandler;
protected ReadTimeoutHandler readTimeoutHandler;
public OpenflowPipelineFactory(Controller controller,
ThreadPoolExecutor pipelineExecutor) {
super();
this.controller = controller;
this.pipelineExecutor = pipelineExecutor;
this.timer = new HashedWheelTimer();
this.idleHandler = new IdleStateHandler(timer, 20, 25, 0);
this.readTimeoutHandler = new ReadTimeoutHandler(timer, 30);
}
@Override
public ChannelPipeline getPipeline() throws Exception {
OFChannelHandler handler = new OFChannelHandler(controller);
ChannelPipeline pipeline = Channels.pipeline();
pipeline.addLast("ofmessagedecoder", new OFMessageDecoder());
pipeline.addLast("ofmessageencoder", new OFMessageEncoder());
pipeline.addLast("idle", idleHandler);
pipeline.addLast("timeout", readTimeoutHandler);
// XXX S ONOS: was 15 increased it to fix Issue #296
pipeline.addLast("handshaketimeout",
new HandshakeTimeoutHandler(handler, timer, 60));
if (pipelineExecutor != null) {
pipeline.addLast("pipelineExecutor",
new ExecutionHandler(pipelineExecutor));
}
pipeline.addLast("handler", handler);
return pipeline;
}
@Override
public void releaseExternalResources() {
timer.stop();
}
}
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