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 io.netty.util.concurrent.GenericFutureListener;
  14 import java.net.InetSocketAddress;
  15 import java.util.Collections;
  16 import java.util.concurrent.ExecutionException;
  17 import org.opendaylight.protocol.bgp.rib.impl.BGPDispatcherImpl;
  18 import org.opendaylight.protocol.bgp.rib.impl.StrictBGPPeerRegistry;
  19 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
  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.rev100924.AsNumber;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  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, final InetSocketAddress localAddress,
  37         final BGPSessionListener sessionListener, final BgpParameters bgpParameters) {
  38         final AsNumber as = arguments.getAs();
  39         final BGPSessionPreferences proposal = new BGPSessionPreferences(as, arguments.getHoldTimer(), new Ipv4Address(localAddress.getAddress().getHostAddress()),
  40             as, Collections.singletonList(bgpParameters));
  41         final StrictBGPPeerRegistry strictBGPPeerRegistry = new StrictBGPPeerRegistry();
  42         if (arguments.getInitiateConnection()) {
  43             for (final InetSocketAddress remoteAddress : arguments.getRemoteAddresses()) {
  44                 strictBGPPeerRegistry.addPeer(StrictBGPPeerRegistry.getIpAddress(remoteAddress), sessionListener, proposal);
  45                 addFutureListener(localAddress, ((BGPDispatcherImpl) dispatcher).createClient(localAddress, remoteAddress, strictBGPPeerRegistry, RETRY_TIMER));
  46             }
  47         } else {
  48             for (final InetSocketAddress remoteAddress : arguments.getRemoteAddresses()) {
  49                 strictBGPPeerRegistry.addPeer(StrictBGPPeerRegistry.getIpAddress(remoteAddress), sessionListener, proposal);
  50             }
  51             addFutureListener(localAddress, dispatcher.createServer(strictBGPPeerRegistry, localAddress));
  52         }
  53         LOG.debug("{} {}", sessionListener, proposal);
  54     }
  55
  56     private static <T> void addFutureListener(final InetSocketAddress localAddress, final Future<T> future) {
  57         future.addListener(new GenericFutureListener<Future<T>>() {
  58             @Override
  59             public void operationComplete(final Future<T> future) throws ExecutionException, InterruptedException {
  60                 Preconditions.checkArgument(future.isSuccess(), "Unable to start bgp session on %s", localAddress, future.cause());
  61             }
  62         });
  63     }
  64 }