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 io.netty.channel.ChannelFuture;
  12 import io.netty.channel.EventLoopGroup;
  13 import io.netty.channel.socket.SocketChannel;
  14 import io.netty.util.concurrent.Promise;
  15
  16 import java.net.InetSocketAddress;
  17
  18 import org.opendaylight.controller.netconf.impl.util.DeserializerExceptionHandler;
  19 import org.opendaylight.controller.netconf.util.AbstractChannelInitializer;
  20 import org.opendaylight.protocol.framework.AbstractDispatcher;
  21
  22 public class NetconfServerDispatcher extends AbstractDispatcher<NetconfServerSession, NetconfServerSessionListener> {
  23
  24     private final ServerChannelInitializer initializer;
  25
  26     public NetconfServerDispatcher(ServerChannelInitializer serverChannelInitializer, EventLoopGroup bossGroup,
  27             EventLoopGroup workerGroup) {
  28         super(bossGroup, workerGroup);
  29         this.initializer = serverChannelInitializer;
  30     }
  31
  32     public ChannelFuture createServer(InetSocketAddress address) {
  33
  34         return super.createServer(address, new PipelineInitializer<NetconfServerSession>() {
  35             @Override
  36             public void initializeChannel(final SocketChannel ch, final Promise<NetconfServerSession> promise) {
  37                 initializer.initialize(ch, promise);
  38             }
  39         });
  40     }
  41
  42     public static class ServerChannelInitializer extends AbstractChannelInitializer<NetconfServerSession> {
  43
  44         public static final String DESERIALIZER_EX_HANDLER_KEY = "deserializerExHandler";
  45
  46         private final NetconfServerSessionNegotiatorFactory negotiatorFactory;
  47         private final NetconfServerSessionListenerFactory listenerFactory;
  48
  49         public ServerChannelInitializer(NetconfServerSessionNegotiatorFactory negotiatorFactory,
  50                                             NetconfServerSessionListenerFactory listenerFactory) {
  51             this.negotiatorFactory = negotiatorFactory;
  52             this.listenerFactory = listenerFactory;
  53         }
  54
  55         @Override
  56         protected void initializeMessageDecoder(SocketChannel ch) {
  57             super.initializeMessageDecoder(ch);
  58             ch.pipeline().addLast(DESERIALIZER_EX_HANDLER_KEY, new DeserializerExceptionHandler());
  59         }
  60
  61         @Override
  62         protected void initializeSessionNegotiator(SocketChannel ch, Promise<NetconfServerSession> promise) {
  63             ch.pipeline().addAfter(DESERIALIZER_EX_HANDLER_KEY, AbstractChannelInitializer.NETCONF_SESSION_NEGOTIATOR, negotiatorFactory.getSessionNegotiator(listenerFactory, ch, promise));
  64         }
  65     }
  66
  67 }