netconf/netconf-impl/src/main/java/org/opendaylight/netconf/impl/NetconfServerDispatcherImpl.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 package org.opendaylight.netconf.impl;
   9
  10 import io.netty.channel.Channel;
  11 import io.netty.channel.ChannelFuture;
  12 import io.netty.channel.EventLoopGroup;
  13 import io.netty.channel.local.LocalAddress;
  14 import io.netty.channel.local.LocalServerChannel;
  15 import io.netty.util.concurrent.Promise;
  16 import java.net.InetSocketAddress;
  17 import org.opendaylight.netconf.api.NetconfServerDispatcher;
  18 import org.opendaylight.netconf.impl.util.DeserializerExceptionHandler;
  19 import org.opendaylight.netconf.nettyutil.AbstractChannelInitializer;
  20 import org.opendaylight.netconf.nettyutil.AbstractNetconfDispatcher;
  21
  22 public class NetconfServerDispatcherImpl extends AbstractNetconfDispatcher<NetconfServerSession,
  23         NetconfServerSessionListener> implements NetconfServerDispatcher {
  24
  25     private final ServerChannelInitializer initializer;
  26
  27     public NetconfServerDispatcherImpl(ServerChannelInitializer serverChannelInitializer, EventLoopGroup bossGroup,
  28                                        EventLoopGroup workerGroup) {
  29         super(bossGroup, workerGroup);
  30         this.initializer = serverChannelInitializer;
  31     }
  32
  33     @Override
  34     public ChannelFuture createServer(InetSocketAddress address) {
  35         return super.createServer(address, initializer::initialize);
  36     }
  37
  38     @Override
  39     public ChannelFuture createLocalServer(LocalAddress address) {
  40         return super.createServer(address, LocalServerChannel.class, initializer::initialize);
  41     }
  42
  43     public static class ServerChannelInitializer extends AbstractChannelInitializer<NetconfServerSession> {
  44
  45         public static final String DESERIALIZER_EX_HANDLER_KEY = "deserializerExHandler";
  46
  47         private final NetconfServerSessionNegotiatorFactory negotiatorFactory;
  48
  49
  50         public ServerChannelInitializer(NetconfServerSessionNegotiatorFactory negotiatorFactory) {
  51             this.negotiatorFactory = negotiatorFactory;
  52
  53         }
  54
  55         @Override
  56         protected void initializeMessageDecoder(Channel ch) {
  57             super.initializeMessageDecoder(ch);
  58             ch.pipeline().addLast(DESERIALIZER_EX_HANDLER_KEY, new DeserializerExceptionHandler());
  59         }
  60
  61         @Override
  62         protected void initializeSessionNegotiator(Channel ch, Promise<NetconfServerSession> promise) {
  63             ch.pipeline().addAfter(DESERIALIZER_EX_HANDLER_KEY, AbstractChannelInitializer.NETCONF_SESSION_NEGOTIATOR,
  64                     negotiatorFactory.getSessionNegotiator(null, ch, promise));
  65         }
  66     }
  67 }