bgp/testtool/src/main/java/org/opendaylight/protocol/bgp/testtool/BGPPeerBuilder.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.protocol.bgp.testtool;
  10
  11 import com.google.common.base.Preconditions;
  12 import io.netty.util.concurrent.Future;
  13 import java.net.InetSocketAddress;
  14 import java.util.Collections;
  15 import java.util.Optional;
  16 import org.opendaylight.protocol.bgp.rib.impl.BGPDispatcherImpl;
  17 import org.opendaylight.protocol.bgp.rib.impl.StrictBGPPeerRegistry;
  18 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
  19 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  20 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  21 import org.opendaylight.protocol.bgp.rib.spi.BGPSessionListener;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.BgpParameters;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpId;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 final class BGPPeerBuilder {
  29     private static final int RETRY_TIMER = 10;
  30     private static final Logger LOG = LoggerFactory.getLogger(BGPPeerBuilder.class);
  31
  32     private BGPPeerBuilder() {
  33         throw new UnsupportedOperationException();
  34     }
  35
  36     static void createPeer(final BGPDispatcher dispatcher, final Arguments arguments,
  37             final InetSocketAddress localAddress, final BGPSessionListener sessionListener,
  38             final BgpParameters bgpParameters) {
  39         final AsNumber as = arguments.getAs();
  40         final BGPSessionPreferences proposal = new BGPSessionPreferences(as, arguments.getHoldTimer(),
  41                 new BgpId(localAddress.getAddress().getHostAddress()), as, Collections.singletonList(bgpParameters),
  42                 Optional.empty());
  43         final BGPPeerRegistry strictBGPPeerRegistry = dispatcher.getBGPPeerRegistry();
  44         if (arguments.getInitiateConnection()) {
  45             for (final InetSocketAddress remoteAddress : arguments.getRemoteAddresses()) {
  46                 strictBGPPeerRegistry.addPeer(StrictBGPPeerRegistry.getIpAddress(remoteAddress), sessionListener,
  47                         proposal);
  48                 addFutureListener(localAddress, ((BGPDispatcherImpl) dispatcher).createClient(localAddress,
  49                         remoteAddress, RETRY_TIMER, true));
  50             }
  51         } else {
  52             for (final InetSocketAddress remoteAddress : arguments.getRemoteAddresses()) {
  53                 strictBGPPeerRegistry.addPeer(StrictBGPPeerRegistry.getIpAddress(remoteAddress), sessionListener,
  54                         proposal);
  55             }
  56             addFutureListener(localAddress, dispatcher.createServer(localAddress));
  57         }
  58         LOG.debug("{} {}", sessionListener, proposal);
  59     }
  60
  61     private static <T> void addFutureListener(final InetSocketAddress localAddress, final Future<T> future) {
  62         future.addListener(future1 -> Preconditions.checkArgument(future1.isSuccess(),
  63                 "Unable to start bgp session on %s", localAddress, future1.cause()));
  64     }
  65 }