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.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 java.net.InetSocketAddress;
  21
  22 public class NetconfServerDispatcher extends AbstractDispatcher<NetconfSession, 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<NetconfSession>() {
  35             @Override
  36             public void initializeChannel(final SocketChannel ch, final Promise<NetconfSession> promise) {
  37                 initializer.initialize(ch, promise);
  38             }
  39         });
  40     }
  41
  42     public static class ServerChannelInitializer extends AbstractChannelInitializer {
  43
  44         private final NetconfServerSessionNegotiatorFactory negotiatorFactory;
  45         private final NetconfServerSessionListenerFactory listenerFactory;
  46
  47         public ServerChannelInitializer(NetconfServerSessionNegotiatorFactory negotiatorFactory,
  48                                             NetconfServerSessionListenerFactory listenerFactory) {
  49             this.negotiatorFactory = negotiatorFactory;
  50             this.listenerFactory = listenerFactory;
  51         }
  52
  53         @Override
  54         protected void initializeAfterDecoder(SocketChannel ch, Promise<? extends NetconfSession> promise) {
  55             ch.pipeline().addLast("deserializerExHandler", new DeserializerExceptionHandler());
  56             ch.pipeline().addLast("negotiator", negotiatorFactory.getSessionNegotiator(listenerFactory, ch, promise));
  57         }
  58
  59     }
  60
  61 }