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.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.BGPSessionListener;
  19 import org.opendaylight.protocol.bgp.parser.spi.MessageRegistry;
  20 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
  21 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  22 import org.opendaylight.protocol.framework.AbstractDispatcher;
  23 import org.opendaylight.protocol.framework.ReconnectStrategy;
  24 import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
  25 import org.opendaylight.protocol.framework.SessionListenerFactory;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  27
  28 import com.google.common.base.Preconditions;
  29
  30 /**
  31  * Implementation of BGPDispatcher.
  32  */
  33 public final class BGPDispatcherImpl extends AbstractDispatcher<BGPSessionImpl, BGPSessionListener> implements BGPDispatcher, AutoCloseable {
  34         private final BGPHandlerFactory hf;
  35         private final Timer timer;
  36
  37         public BGPDispatcherImpl(final MessageRegistry messageRegistry, final Timer timer, final EventLoopGroup bossGroup, final EventLoopGroup workerGroup) {
  38                 super(bossGroup, workerGroup);
  39                 this.timer = Preconditions.checkNotNull(timer);
  40                 this.hf = new BGPHandlerFactory(messageRegistry);
  41         }
  42
  43         @Override
  44         public Future<BGPSessionImpl> createClient(final InetSocketAddress address, final BGPSessionPreferences preferences,
  45                         final AsNumber remoteAs, final BGPSessionListener listener, final ReconnectStrategy strategy) {
  46                 final BGPSessionNegotiatorFactory snf = new BGPSessionNegotiatorFactory(this.timer, preferences, remoteAs);
  47                 final SessionListenerFactory<BGPSessionListener> slf = new SessionListenerFactory<BGPSessionListener>() {
  48                         @Override
  49                         public BGPSessionListener getSessionListener() {
  50                                 return listener;
  51                         }
  52                 };
  53                 return super.createClient(address, strategy, new PipelineInitializer<BGPSessionImpl>() {
  54                         @Override
  55                         public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise) {
  56                                 ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getDecoders());
  57                                 ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(slf, ch, promise));
  58                                 ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getEncoders());
  59                         }
  60                 });
  61         }
  62
  63         @Override
  64         public Future<Void> createReconnectingClient(final InetSocketAddress address,
  65                         final BGPSessionPreferences preferences, final AsNumber remoteAs,
  66                         final BGPSessionListener listener, final ReconnectStrategyFactory connectStrategyFactory,
  67                         final ReconnectStrategyFactory reestablishStrategyFactory) {
  68                 final BGPSessionNegotiatorFactory snf = new BGPSessionNegotiatorFactory(this.timer, preferences, remoteAs);
  69                 final SessionListenerFactory<BGPSessionListener> slf = new SessionListenerFactory<BGPSessionListener>() {
  70                         @Override
  71                         public BGPSessionListener getSessionListener() {
  72                                 return listener;
  73                         }
  74                 };
  75
  76                 return super.createReconnectingClient(address, connectStrategyFactory, reestablishStrategyFactory.createReconnectStrategy(), new PipelineInitializer<BGPSessionImpl>() {
  77                         @Override
  78                         public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise) {
  79                                 ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getDecoders());
  80                                 ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(slf, ch, promise));
  81                                 ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getEncoders());
  82                         }
  83                 });
  84         }
  85
  86         @Override
  87         public void close() {
  88         }
  89 }