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