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 extends ListenerRegistration<BGPSessionListener> {
  32                 private final BGPSession session;
  33
  34                 public BGPListenerRegistration(final BGPSessionListener l, final BGPSession session) {
  35                         super(l);
  36                         this.session = session;
  37                 }
  38
  39                 @Override
  40                 public void removeRegistration() {
  41                         this.session.close();
  42                 }
  43         }
  44
  45         private final BGPDispatcher dispatcher;
  46
  47         private final InetSocketAddress address;
  48
  49         private final BGPSessionProposal proposal;
  50
  51         public BGPImpl(final BGPDispatcher dispatcher, final InetSocketAddress address, final BGPSessionProposal proposal) {
  52                 this.dispatcher = Preconditions.checkNotNull(dispatcher);
  53                 this.address = Preconditions.checkNotNull(address);
  54                 this.proposal = Preconditions.checkNotNull(proposal);
  55         }
  56
  57         /**
  58          * {@inheritDoc}
  59          */
  60         @Override
  61         public BGPListenerRegistration registerUpdateListener(final BGPSessionListener listener, final ReconnectStrategy strategy) throws IOException {
  62                 final BGPSession session;
  63                 try {
  64                         session = this.dispatcher.createClient(this.address, this.proposal.getProposal(), listener, strategy).get();
  65                 } catch (InterruptedException | ExecutionException e) {
  66                         throw new IOException("Failed to connect to peer", e);
  67                 }
  68                 return new BGPListenerRegistration(listener, session);
  69         }
  70
  71         @Override
  72         public void close() {
  73
  74         }
  75 }