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.util.concurrent.GlobalEventExecutor;
  11
  12 import java.io.IOException;
  13 import java.net.InetAddress;
  14 import java.net.InetSocketAddress;
  15
  16 import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
  17 import org.opendaylight.protocol.bgp.parser.impl.BGPMessageFactory;
  18 import org.opendaylight.protocol.bgp.rib.impl.BGPConnectionImpl;
  19 import org.opendaylight.protocol.bgp.rib.impl.BGPDispatcherImpl;
  20 import org.opendaylight.protocol.bgp.rib.impl.BGPSessionProposalCheckerImpl;
  21 import org.opendaylight.protocol.bgp.rib.impl.BGPSessionProposalImpl;
  22 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  23 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionProposalChecker;
  24 import org.opendaylight.protocol.concepts.ASNumber;
  25 import org.opendaylight.protocol.concepts.IPv4Address;
  26 import org.opendaylight.protocol.framework.DispatcherImpl;
  27 import org.opendaylight.protocol.framework.NeverReconnectStrategy;
  28 import org.opendaylight.protocol.framework.ProtocolMessageFactory;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * Starter class for testing.
  34  */
  35 public class Main {
  36
  37         private final static Logger logger = LoggerFactory.getLogger(Main.class);
  38
  39         public static String usage = "DESCRIPTION:\n" + "\tCreates a server with given parameters. As long as it runs, it accepts connections "
  40                         + "from PCCs.\n" + "USAGE:\n" + "\t-a, --address\n" + "\t\tthe ip address to which is this server bound.\n"
  41                         + "\t\tFormat: x.x.x.x:y where y is port number.\n\n"
  42                         + "\t\tThis IP address will appear in BGP Open message as BGP Identifier of the server.\n" +
  43
  44                         "\t-as\n" + "\t\t value of AS in the initial open message\n\n" +
  45
  46                         "\t-h, --holdtimer\n" + "\t\tin seconds, value of the desired holdtimer\n"
  47                         + "\t\tAccording to RFC4271, recommended value for deadtimer is 90 seconds.\n"
  48                         + "\t\tIf not set, this will be the default value.\n\n" +
  49
  50                         "\t--help\n" + "\t\tdisplay this help and exits\n\n" +
  51
  52                         "With no parameters, this help is printed.";
  53
  54         BGPDispatcherImpl dispatcher;
  55
  56         public Main() throws IOException {
  57                 this.dispatcher = new BGPDispatcherImpl(new DispatcherImpl(new BGPMessageFactory()));
  58         }
  59
  60         public static void main(final String[] args) throws NumberFormatException, IOException {
  61                 if (args.length == 0 || (args.length == 1 && args[0].equalsIgnoreCase("--help"))) {
  62                         System.out.println(Main.usage);
  63                         return;
  64                 }
  65
  66                 InetSocketAddress address = null;
  67                 short holdTimerValue = 90;
  68                 ASNumber as = null;
  69
  70                 int i = 0;
  71                 while (i < args.length) {
  72                         if (args[i].equalsIgnoreCase("-a") || args[i].equalsIgnoreCase("--address")) {
  73                                 final String[] ip = args[i + 1].split(":");
  74                                 address = new InetSocketAddress(InetAddress.getByName(ip[0]), Integer.valueOf(ip[1]));
  75                                 i++;
  76                         } else if (args[i].equalsIgnoreCase("-h") || args[i].equalsIgnoreCase("--holdtimer")) {
  77                                 holdTimerValue = Short.valueOf(args[i + 1]);
  78                                 i++;
  79                         } else if (args[i].equalsIgnoreCase("-as")) {
  80                                 as = new ASNumber(Long.valueOf(args[i + 1]));
  81                                 i++;
  82                         } else {
  83                                 System.out.println("WARNING: Unrecognized argument: " + args[i]);
  84                         }
  85                         i++;
  86                 }
  87
  88                 final Main m = new Main();
  89
  90                 final BGPSessionListener sessionListener = new TestingListener((DispatcherImpl) m.dispatcher.getDispatcher());
  91
  92                 final BGPSessionProposalImpl prop = new BGPSessionProposalImpl(holdTimerValue, as, new IPv4Address(InetAddress.getByName("25.25.25.2")));
  93
  94                 final BGPSessionPreferences proposal = prop.getProposal();
  95
  96                 prop.close();
  97
  98                 final BGPSessionProposalChecker checker = new BGPSessionProposalCheckerImpl();
  99
 100                 final ProtocolMessageFactory parser = new BGPMessageFactory();
 101
 102                 logger.debug(address + " " + sessionListener + " " + proposal + " " + checker);
 103
 104                 final InetSocketAddress addr = address;
 105                 m.dispatcher.createClient(new BGPConnectionImpl(addr, sessionListener, proposal, checker), parser,
 106                                 new NeverReconnectStrategy(GlobalEventExecutor.INSTANCE, 5000));
 107         }
 108 }