| /* |
| * 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.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.netty.channel.ChannelInitializer; |
| import io.netty.channel.ChannelPipeline; |
| import io.netty.channel.socket.SocketChannel; |
| import io.netty.handler.ssl.SslHandler; |
| import io.netty.handler.timeout.IdleStateHandler; |
| import io.netty.handler.timeout.ReadTimeoutHandler; |
| import io.netty.util.concurrent.EventExecutorGroup; |
| |
| import javax.net.ssl.SSLContext; |
| import javax.net.ssl.SSLEngine; |
| |
| /** |
| * Creates a ChannelInitializer for a server-side openflow channel. |
| */ |
| public class OFChannelInitializer |
| extends ChannelInitializer<SocketChannel> { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| |
| private final SSLContext sslContext; |
| protected Controller controller; |
| protected EventExecutorGroup pipelineExecutor; |
| |
| public OFChannelInitializer(Controller controller, |
| EventExecutorGroup pipelineExecutor, |
| SSLContext sslContext) { |
| super(); |
| this.controller = controller; |
| this.pipelineExecutor = pipelineExecutor; |
| this.sslContext = sslContext; |
| } |
| |
| @Override |
| protected void initChannel(SocketChannel ch) throws Exception { |
| |
| OFChannelHandler handler = new OFChannelHandler(controller); |
| |
| ChannelPipeline pipeline = ch.pipeline(); |
| if (sslContext != null) { |
| log.info("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("ofmessageencoder", OFMessageEncoder.getInstance()); |
| pipeline.addLast("ofmessagedecoder", OFMessageDecoder.getInstance()); |
| |
| pipeline.addLast("idle", new IdleStateHandler(20, 25, 0)); |
| pipeline.addLast("timeout", new ReadTimeoutHandler(30)); |
| |
| // XXX S ONOS: was 15 increased it to fix Issue #296 |
| pipeline.addLast("handshaketimeout", |
| new HandshakeTimeoutHandler(handler, 60)); |
| // ExecutionHandler equivalent now part of Netty core |
| if (pipelineExecutor != null) { |
| pipeline.addLast(pipelineExecutor, "handler", handler); |
| } else { |
| pipeline.addLast("handler", handler); |
| } |
| } |
| } |