| /** |
| * Copyright 2011, Big Switch Networks, Inc. |
| * Originally created by David Erickson, Stanford University |
| * |
| * 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 net.floodlightcontroller.core.internal; |
| |
| 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.HashedWheelTimer; |
| import org.jboss.netty.util.Timer; |
| |
| /** |
| * Creates a ChannelPipeline for a server-side openflow channel |
| * @author readams |
| */ |
| public class OpenflowPipelineFactory implements ChannelPipelineFactory { |
| |
| 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 { |
| OFChannelState state = new OFChannelState(); |
| |
| ChannelPipeline pipeline = Channels.pipeline(); |
| pipeline.addLast("ofmessagedecoder", new OFMessageDecoder()); |
| pipeline.addLast("ofmessageencoder", new OFMessageEncoder()); |
| pipeline.addLast("idle", idleHandler); |
| pipeline.addLast("timeout", readTimeoutHandler); |
| pipeline.addLast("handshaketimeout", |
| new HandshakeTimeoutHandler(state, timer, 15)); |
| if (pipelineExecutor != null) |
| pipeline.addLast("pipelineExecutor", |
| new ExecutionHandler(pipelineExecutor)); |
| pipeline.addLast("handler", controller.getChannelHandler(state)); |
| return pipeline; |
| } |
| |
| } |