bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/BGPImpl.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 java.io.Closeable;
  11 import java.io.IOException;
  12 import java.net.InetSocketAddress;
  13 import java.util.concurrent.ExecutionException;
  14
  15 import org.opendaylight.protocol.bgp.parser.BGPSession;
  16 import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
  17 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
  18 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionProposal;
  19 import org.opendaylight.protocol.concepts.ListenerRegistration;
  20 import org.opendaylight.protocol.framework.ReconnectStrategy;
  21
  22 import com.google.common.base.Preconditions;
  23
  24 /**
  25  * Implementation of {@link BGP}.
  26  */
  27 public class BGPImpl implements BGP, Closeable {
  28         /**
  29          * Wrapper class to give listener a close method.
  30          */
  31         public class BGPListenerRegistration implements ListenerRegistration<BGPSessionListener> {
  32
  33                 private final BGPSessionListener listener;
  34
  35                 private final BGPSession session;
  36
  37                 public BGPListenerRegistration(final BGPSessionListener l, final BGPSession session) {
  38                         this.listener = l;
  39                         this.session = session;
  40                 }
  41
  42                 @Override
  43                 public void close() {
  44                         this.session.close();
  45                 }
  46
  47                 @Override
  48                 public BGPSessionListener getListener() {
  49                         return this.listener;
  50                 }
  51         }
  52
  53         private final BGPDispatcher dispatcher;
  54
  55         private final InetSocketAddress address;
  56
  57         private final BGPSessionProposal proposal;
  58
  59         public BGPImpl(final BGPDispatcher dispatcher, final InetSocketAddress address, final BGPSessionProposal proposal) {
  60                 this.dispatcher = Preconditions.checkNotNull(dispatcher);
  61                 this.address = Preconditions.checkNotNull(address);
  62                 this.proposal = Preconditions.checkNotNull(proposal);
  63         }
  64
  65         /**
  66          * {@inheritDoc}
  67          */
  68         @Override
  69         public BGPListenerRegistration registerUpdateListener(final BGPSessionListener listener, final ReconnectStrategy strategy) throws IOException {
  70                 final BGPSession session;
  71                 try {
  72                         session = this.dispatcher.createClient(this.address, this.proposal.getProposal(), listener, strategy).get();
  73                 } catch (InterruptedException | ExecutionException e) {
  74                         throw new IOException("Failed to connect to peer", e);
  75                 }
  76                 return new BGPListenerRegistration(listener, session);
  77         }
  78
  79         @Override
  80         public void close() {
  81
  82         }
  83 }