bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/BGPDispatcherImpl.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.protocol.bgp.rib.impl;
   9
  10 import io.netty.channel.socket.SocketChannel;
  11 import io.netty.util.HashedWheelTimer;
  12 import io.netty.util.Timer;
  13 import io.netty.util.concurrent.Future;
  14 import io.netty.util.concurrent.Promise;
  15
  16 import java.net.InetSocketAddress;
  17
  18 import org.opendaylight.protocol.bgp.parser.BGPMessageFactory;
  19 import org.opendaylight.protocol.bgp.parser.BGPSession;
  20 import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
  21 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
  22 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  23 import org.opendaylight.protocol.framework.AbstractDispatcher;
  24 import org.opendaylight.protocol.framework.ReconnectStrategy;
  25 import org.opendaylight.protocol.framework.SessionListenerFactory;
  26
  27 /**
  28  * Implementation of BGPDispatcher.
  29  */
  30 public final class BGPDispatcherImpl extends AbstractDispatcher<BGPSessionImpl, BGPSessionListener> implements BGPDispatcher {
  31         private final Timer timer = new HashedWheelTimer();
  32
  33         private BGPSessionNegotiatorFactory snf;
  34
  35         private final BGPHandlerFactory hf;
  36
  37         public BGPDispatcherImpl(final BGPMessageFactory parser) {
  38                 super();
  39                 this.hf = new BGPHandlerFactory(parser);
  40         }
  41
  42         @Override
  43         public Future<? extends BGPSession> createClient(final InetSocketAddress address, final BGPSessionPreferences preferences,
  44                         final BGPSessionListener listener, final ReconnectStrategy strategy) {
  45                 this.snf = new BGPSessionNegotiatorFactory(this.timer, preferences);
  46                 final SessionListenerFactory<BGPSessionListener> slf = new SessionListenerFactory<BGPSessionListener>() {
  47
  48                         @Override
  49                         public BGPSessionListener getSessionListener() {
  50                                 return listener;
  51                         }
  52                 };
  53                 return super.createClient(address, strategy, slf);
  54         }
  55
  56         @Override
  57         public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise,
  58                         final SessionListenerFactory<BGPSessionListener> slf) {
  59                 ch.pipeline().addLast(this.hf.getDecoders());
  60                 ch.pipeline().addLast("negotiator", this.snf.getSessionNegotiator(slf, ch, promise));
  61                 ch.pipeline().addLast(this.hf.getEncoders());
  62         }
  63 }