opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerDispatcher.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.netconf.impl;
  10
  11 import com.google.common.base.Optional;
  12 import io.netty.channel.ChannelFuture;
  13 import io.netty.channel.socket.SocketChannel;
  14 import io.netty.util.concurrent.Promise;
  15 import org.opendaylight.controller.netconf.api.NetconfSession;
  16 import org.opendaylight.controller.netconf.impl.util.DeserializerExceptionHandler;
  17 import org.opendaylight.controller.netconf.util.AbstractChannelInitializer;
  18 import org.opendaylight.protocol.framework.AbstractDispatcher;
  19
  20 import javax.net.ssl.SSLContext;
  21 import javax.net.ssl.SSLEngine;
  22 import java.net.InetSocketAddress;
  23
  24 public class NetconfServerDispatcher extends AbstractDispatcher<NetconfSession, NetconfServerSessionListener> {
  25
  26     private final ServerChannelInitializer initializer;
  27
  28     public NetconfServerDispatcher(final Optional<SSLContext> maybeContext,
  29             NetconfServerSessionNegotiatorFactory serverNegotiatorFactory,
  30             NetconfServerSessionListenerFactory listenerFactory) {
  31         this.initializer = new ServerChannelInitializer(maybeContext, serverNegotiatorFactory, listenerFactory);
  32     }
  33
  34     // FIXME change headers for all new source code files
  35
  36     // TODO test create server with same address twice
  37     public ChannelFuture createServer(InetSocketAddress address) {
  38
  39         return super.createServer(address, new PipelineInitializer<NetconfSession>() {
  40             @Override
  41             public void initializeChannel(final SocketChannel ch, final Promise<NetconfSession> promise) {
  42                 initializer.initialize(ch, promise);
  43             }
  44         });
  45     }
  46
  47     private static class ServerChannelInitializer extends AbstractChannelInitializer {
  48
  49         private final NetconfServerSessionNegotiatorFactory negotiatorFactory;
  50         private final NetconfServerSessionListenerFactory listenerFactory;
  51
  52         private ServerChannelInitializer(Optional<SSLContext> maybeContext,
  53                 NetconfServerSessionNegotiatorFactory negotiatorFactory,
  54                 NetconfServerSessionListenerFactory listenerFactory) {
  55             super(maybeContext);
  56             this.negotiatorFactory = negotiatorFactory;
  57             this.listenerFactory = listenerFactory;
  58         }
  59
  60         @Override
  61         protected void initializeAfterDecoder(SocketChannel ch, Promise<? extends NetconfSession> promise) {
  62             ch.pipeline().addLast("deserializerExHandler", new DeserializerExceptionHandler());
  63             ch.pipeline().addLast("negotiator", negotiatorFactory.getSessionNegotiator(listenerFactory, ch, promise));
  64         }
  65
  66         @Override
  67         protected void initSslEngine(SSLEngine sslEngine) {
  68             sslEngine.setUseClientMode(false);
  69         }
  70     }
  71
  72 }