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.EventLoopGroup;
  11 import io.netty.channel.socket.SocketChannel;
  12 import io.netty.util.HashedWheelTimer;
  13 import io.netty.util.Timer;
  14 import io.netty.util.concurrent.Future;
  15 import io.netty.util.concurrent.Promise;
  16
  17 import java.net.InetSocketAddress;
  18
  19 import org.opendaylight.protocol.bgp.parser.BGPMessageFactory;
  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.ReconnectStrategyFactory;
  26 import org.opendaylight.protocol.framework.SessionListenerFactory;
  27
  28 /**
  29  * Implementation of BGPDispatcher.
  30  */
  31 public final class BGPDispatcherImpl extends AbstractDispatcher<BGPSessionImpl, BGPSessionListener> implements BGPDispatcher, AutoCloseable {
  32         private final Timer timer = new HashedWheelTimer();
  33
  34         private final BGPHandlerFactory hf;
  35
  36         public BGPDispatcherImpl(final BGPMessageFactory parser, final EventLoopGroup bossGroup, final EventLoopGroup workerGroup) {
  37                 super(bossGroup, workerGroup);
  38                 this.hf = new BGPHandlerFactory(parser);
  39         }
  40
  41         @Override
  42         public Future<BGPSessionImpl> createClient(final InetSocketAddress address, final BGPSessionPreferences preferences,
  43                         final BGPSessionListener listener, final ReconnectStrategy strategy) {
  44                 final BGPSessionNegotiatorFactory snf = new BGPSessionNegotiatorFactory(this.timer, preferences);
  45                 final SessionListenerFactory<BGPSessionListener> slf = new SessionListenerFactory<BGPSessionListener>() {
  46                         @Override
  47                         public BGPSessionListener getSessionListener() {
  48                                 return listener;
  49                         }
  50                 };
  51                 return super.createClient(address, strategy, new PipelineInitializer<BGPSessionImpl>() {
  52                         @Override
  53                         public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise) {
  54                                 ch.pipeline().addLast(hf.getDecoders());
  55                                 ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(slf, ch, promise));
  56                                 ch.pipeline().addLast(hf.getEncoders());
  57                         }
  58                 });
  59         }
  60
  61         @Override
  62         public Future<Void> createReconnectingClient(final InetSocketAddress address,
  63                         final BGPSessionPreferences preferences, final BGPSessionListener listener,
  64                         final ReconnectStrategyFactory connectStrategyFactory,
  65                         final ReconnectStrategy reestablishStrategy) {
  66                 final BGPSessionNegotiatorFactory snf = new BGPSessionNegotiatorFactory(this.timer, preferences);
  67                 final SessionListenerFactory<BGPSessionListener> slf = new SessionListenerFactory<BGPSessionListener>() {
  68                         @Override
  69                         public BGPSessionListener getSessionListener() {
  70                                 return listener;
  71                         }
  72                 };
  73
  74                 return super.createReconnectingClient(address, connectStrategyFactory, reestablishStrategy, new PipelineInitializer<BGPSessionImpl>() {
  75                         @Override
  76                         public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise) {
  77                                 ch.pipeline().addLast(hf.getDecoders());
  78                                 ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(slf, ch, promise));
  79                                 ch.pipeline().addLast(hf.getEncoders());
  80                         }
  81                 });
  82         }
  83
  84         @Override
  85         public void close() {
  86         }
  87 }