| /* |
| * 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(); |
| } |
| } |