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 package org.opendaylight.protocol.bgp.testtool;
   9
  10 import com.google.common.base.Preconditions;
  11 import io.netty.util.concurrent.Future;
  12 import java.net.InetSocketAddress;
  13 import java.util.Collections;
  14 import java.util.Optional;
  15 import org.opendaylight.protocol.bgp.rib.impl.BGPDispatcherImpl;
  16 import org.opendaylight.protocol.bgp.rib.impl.StrictBGPPeerRegistry;
  17 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
  18 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  19 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  20 import org.opendaylight.protocol.bgp.rib.spi.BGPSessionListener;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.BgpParameters;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.BgpId;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 final class BGPPeerBuilder {
  28     private static final int RETRY_TIMER = 10;
  29     private static final Logger LOG = LoggerFactory.getLogger(BGPPeerBuilder.class);
  30
  31     private BGPPeerBuilder() {
  32         // Hidden on purpose
  33     }
  34
  35     static void createPeer(final BGPDispatcher dispatcher, final Arguments arguments,
  36             final InetSocketAddress localAddress, final BGPSessionListener sessionListener,
  37             final BgpParameters bgpParameters) {
  38         final AsNumber as = arguments.getAs();
  39         final BGPSessionPreferences proposal = new BGPSessionPreferences(as, arguments.getHoldTimer(),
  40                 new BgpId(localAddress.getAddress().getHostAddress()), as, Collections.singletonList(bgpParameters),
  41                 Optional.empty());
  42         final BGPPeerRegistry strictBGPPeerRegistry = dispatcher.getBGPPeerRegistry();
  43         if (arguments.getInitiateConnection()) {
  44             for (final InetSocketAddress remoteAddress : arguments.getRemoteAddresses()) {
  45                 strictBGPPeerRegistry.addPeer(StrictBGPPeerRegistry.getIpAddress(remoteAddress), sessionListener,
  46                         proposal);
  47                 addFutureListener(localAddress, ((BGPDispatcherImpl) dispatcher).createClient(localAddress,
  48                         remoteAddress, RETRY_TIMER, true));
  49             }
  50         } else {
  51             for (final InetSocketAddress remoteAddress : arguments.getRemoteAddresses()) {
  52                 strictBGPPeerRegistry.addPeer(StrictBGPPeerRegistry.getIpAddress(remoteAddress), sessionListener,
  53                         proposal);
  54             }
  55             addFutureListener(localAddress, dispatcher.createServer(localAddress));
  56         }
  57         LOG.debug("Listener {} received proposal {}", sessionListener, proposal);
  58     }
  59
  60     private static <T> void addFutureListener(final InetSocketAddress localAddress, final Future<T> future) {
  61         future.addListener(future1 -> Preconditions.checkArgument(future1.isSuccess(),
  62                 "Unable to start bgp session on %s", localAddress, future1.cause()));
  63     }
  64 }