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