bgp/testtool/src/main/java/org/opendaylight/protocol/bgp/testtool/Main.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.testtool;
   9
  10 import io.netty.channel.nio.NioEventLoopGroup;
  11 import io.netty.util.HashedWheelTimer;
  12 import io.netty.util.concurrent.GlobalEventExecutor;
  13
  14 import java.net.InetAddress;
  15 import java.net.InetSocketAddress;
  16 import java.util.HashMap;
  17 import java.util.Map;
  18
  19 import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
  20 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
  21 import org.opendaylight.protocol.bgp.rib.impl.BGPDispatcherImpl;
  22 import org.opendaylight.protocol.bgp.rib.impl.BGPSessionProposalImpl;
  23 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  24 import org.opendaylight.protocol.framework.NeverReconnectStrategy;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.LinkstateAddressFamily;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.LinkstateSubsequentAddressFamily;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * Starter class for testing.
  38  */
  39 public final class Main {
  40
  41         private static final Logger LOG = LoggerFactory.getLogger(Main.class);
  42
  43         private static final String USAGE = "DESCRIPTION:\n"
  44                         + "\tCreates a server with given parameters. As long as it runs, it accepts connections " + "from PCCs.\n" + "USAGE:\n"
  45                         + "\t-a, --address\n" + "\t\tthe ip address to which is this server bound.\n"
  46                         + "\t\tFormat: x.x.x.x:y where y is port number.\n\n"
  47                         + "\t\tThis IP address will appear in BGP Open message as BGP Identifier of the server.\n" +
  48
  49                         "\t-as\n" + "\t\t value of AS in the initial open message\n\n" +
  50
  51                         "\t-h, --holdtimer\n" + "\t\tin seconds, value of the desired holdtimer\n"
  52                         + "\t\tAccording to RFC4271, recommended value for deadtimer is 90 seconds.\n"
  53                         + "\t\tIf not set, this will be the default value.\n\n" +
  54
  55                         "\t--help\n" + "\t\tdisplay this help and exits\n\n" +
  56
  57                         "With no parameters, this help is printed.";
  58
  59         private final BGPDispatcherImpl dispatcher;
  60
  61         private static final int INITIAL_HOLD_TIME = 90;
  62
  63         private static final int RECONNECT_MILLIS = 5000;
  64
  65         private Main() throws Exception {
  66                 this.dispatcher = new BGPDispatcherImpl(ServiceLoaderBGPExtensionProviderContext.createConsumerContext().getMessageRegistry(),
  67                                 new HashedWheelTimer(), new NioEventLoopGroup(), new NioEventLoopGroup());
  68         }
  69
  70         public static void main(final String[] args) throws Exception {
  71                 if (args.length == 0 || (args.length == 1 && args[0].equalsIgnoreCase("--help"))) {
  72                         System.err.println(Main.USAGE);
  73                         return;
  74                 }
  75
  76                 InetSocketAddress address = null;
  77                 short holdTimerValue = INITIAL_HOLD_TIME;
  78                 AsNumber as = null;
  79
  80                 int i = 0;
  81                 while (i < args.length) {
  82                         if (args[i].equalsIgnoreCase("-a") || args[i].equalsIgnoreCase("--address")) {
  83                                 final String[] ip = args[i + 1].split(":");
  84                                 address = new InetSocketAddress(InetAddress.getByName(ip[0]), Integer.valueOf(ip[1]));
  85                                 i++;
  86                         } else if (args[i].equalsIgnoreCase("-h") || args[i].equalsIgnoreCase("--holdtimer")) {
  87                                 holdTimerValue = Short.valueOf(args[i + 1]);
  88                                 i++;
  89                         } else if (args[i].equalsIgnoreCase("-as")) {
  90                                 as = new AsNumber(Long.valueOf(args[i + 1]));
  91                                 i++;
  92                         } else {
  93                                 LOG.error("WARNING: Unrecognized argument: " + args[i]);
  94                         }
  95                         i++;
  96                 }
  97
  98                 final Main m = new Main();
  99
 100                 final BGPSessionListener sessionListener = new TestingListener();
 101
 102                 final Map<Class<? extends AddressFamily>, Class<? extends SubsequentAddressFamily>> tables = new HashMap<>();
 103                 tables.put(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
 104                 tables.put(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class);
 105
 106                 final BGPSessionProposalImpl prop = new BGPSessionProposalImpl(holdTimerValue, as, new Ipv4Address("25.25.25.2"), tables);
 107
 108                 final BGPSessionPreferences proposal = prop.getProposal();
 109
 110                 LOG.debug("{} {} {}", address, sessionListener, proposal);
 111
 112                 final InetSocketAddress addr = address;
 113                 m.dispatcher.createClient(addr, proposal, as, sessionListener,
 114                                 new NeverReconnectStrategy(GlobalEventExecutor.INSTANCE, RECONNECT_MILLIS));
 115         }
 116 }