| /* |
| * Copyright 2018-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.ovsdb.controller.impl; |
| |
| import io.netty.channel.ChannelInitializer; |
| import io.netty.channel.ChannelPipeline; |
| import io.netty.channel.socket.SocketChannel; |
| import io.netty.handler.codec.string.StringEncoder; |
| import io.netty.handler.ssl.SslHandler; |
| import io.netty.handler.timeout.IdleStateHandler; |
| import io.netty.handler.timeout.ReadTimeoutHandler; |
| import io.netty.util.CharsetUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.net.ssl.SSLContext; |
| import javax.net.ssl.SSLEngine; |
| |
| /** |
| * Creates a ChannelInitializer for a server-side OVSDB channel. |
| */ |
| public class OvsdbChannelInitializer |
| extends ChannelInitializer<SocketChannel> { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private final SSLContext sslContext; |
| protected Controller controller; |
| |
| private static final int READER_IDLE_TIME = 20; |
| private static final int WRITER_IDLE_TIME = 25; |
| private static final int ALL_IDLE_TIME = 0; |
| private static final int TIMEOUT = 180; |
| |
| public OvsdbChannelInitializer(Controller controller, SSLContext sslContext) { |
| super(); |
| this.controller = controller; |
| this.sslContext = sslContext; |
| } |
| |
| @Override |
| protected void initChannel(SocketChannel channel) throws Exception { |
| |
| ChannelPipeline pipeline = channel.pipeline(); |
| if (sslContext != null) { |
| log.info("OVSDB 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.info("OVSDB SSL disabled."); |
| } |
| pipeline.addLast(new StringEncoder(CharsetUtil.UTF_8)); |
| pipeline.addLast(new MessageDecoder()); |
| |
| pipeline.addLast(new IdleStateHandler(READER_IDLE_TIME, WRITER_IDLE_TIME, ALL_IDLE_TIME)); |
| pipeline.addLast(new ReadTimeoutHandler(TIMEOUT)); |
| controller.handleNewNodeConnection(channel); |
| } |
| } |
| |