| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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 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.ssl.SslHandler; |
| 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; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.net.ssl.SSLContext; |
| import javax.net.ssl.SSLEngine; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| |
| import java.util.concurrent.ThreadPoolExecutor; |
| |
| /** |
| * Creates a ChannelPipeline for a server-side openflow channel. |
| */ |
| public class OpenflowPipelineFactory |
| implements ChannelPipelineFactory, ExternalResourceReleasable { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| |
| private final SSLContext sslContext; |
| protected Controller controller; |
| protected ThreadPoolExecutor pipelineExecutor; |
| protected Timer timer; |
| protected IdleStateHandler idleHandler; |
| protected ReadTimeoutHandler readTimeoutHandler; |
| |
| public OpenflowPipelineFactory(Controller controller, |
| ThreadPoolExecutor pipelineExecutor, |
| SSLContext sslContext) { |
| super(); |
| this.controller = controller; |
| this.pipelineExecutor = pipelineExecutor; |
| this.timer = new HashedWheelTimer(groupedThreads("OpenflowPipelineFactory", "timer-%d", log)); |
| this.idleHandler = new IdleStateHandler(timer, 20, 25, 0); |
| this.readTimeoutHandler = new ReadTimeoutHandler(timer, 30); |
| this.sslContext = sslContext; |
| } |
| |
| @Override |
| public ChannelPipeline getPipeline() throws Exception { |
| OFChannelHandler handler = new OFChannelHandler(controller); |
| |
| ChannelPipeline pipeline = Channels.pipeline(); |
| if (sslContext != null) { |
| log.debug("OpenFlow SSL enabled."); |
| SSLEngine sslEngine = sslContext.createSSLEngine(); |
| |
| sslEngine.setNeedClientAuth(true); |
| sslEngine.setUseClientMode(false); |
| sslEngine.setEnabledProtocols(sslEngine.getSupportedProtocols()); |
| sslEngine.setEnabledCipherSuites(sslEngine.getSupportedCipherSuites()); |
| sslEngine.setEnableSessionCreation(true); |
| |
| SslHandler sslHandler = new SslHandler(sslEngine); |
| pipeline.addLast("ssl", sslHandler); |
| } else { |
| log.debug("OpenFlow SSL disabled."); |
| } |
| 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(); |
| } |
| } |