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