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/*
* Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.protocol.pcep.testtool;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.List;
import java.util.ServiceLoader;
import java.util.concurrent.ExecutionException;
import org.opendaylight.protocol.concepts.KeyMapping;
import org.opendaylight.protocol.pcep.MessageRegistry;
import org.opendaylight.protocol.pcep.PCEPTimerProposal;
import org.opendaylight.protocol.pcep.ietf.stateful.PCEPStatefulCapability;
import org.opendaylight.protocol.pcep.impl.DefaultPCEPSessionNegotiatorFactory;
import org.opendaylight.protocol.pcep.impl.PCEPDispatcherImpl;
import org.opendaylight.protocol.pcep.spi.PCEPExtensionConsumerContext;
import org.opendaylight.yangtools.yang.common.Uint16;
import org.opendaylight.yangtools.yang.common.Uint8;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class Main {
private static final Logger LOG = LoggerFactory.getLogger(Main.class);
// FIXME: inline as a text block
private static final String USAGE = "DESCRIPTION:\n"
+ "\tCreates a server with given parameters. As long as it runs, it accepts connections "
+ "from PCCs.\n" + "USAGE:\n"
+ "\t-a, --address\n" + "\t\tthe ip address to which is this server bound.\n"
+ "\t\tFormat: x.x.x.x:y where y is port number.\n\n"
+ "\t-d, --deadtimer\n" + "\t\tin seconds, value of the desired deadtimer\n"
+ "\t\tAccording to RFC5440, recommended value for deadtimer is 4 times the value\n"
+ "\t\tof KeepAlive timer. If it's not, a warning is printed.\n"
+ "\t\tIf not set, it's value will be derived from KeepAlive timer value.\n\n"
+ "\t-ka, --keepalive\n" + "\t\tin seconds, value of the desired KeepAlive timer.\n"
+ "\t\tIf not present, KeepAlive timer will be set to recommended value (30s).\n\n"
+ "\t--stateful\n" + "\t\tpassive stateful\n\n"
+ "\t--active\n" + "\t\tactive stateful (implies --stateful)\n\n"
+ "\t--instant\n"
+ "\t\tinstantiated stateful, cleanup timeout "
+ "(default value, if not included = 0) (implies --stateful)\n\n"
+ "\t-arm, --autoResponseMessages \n"
+ "\t\t with groovy script which implements MessageGeneratorService.\n"
+ "\t\t Messages are used as auto response for every message received. Purely for testing puposes! \n\n"
+ "\t-psm, --periodicallySendMessages \n"
+ "\t\t with groovy script which implements"
+ " MessageGeneratorService followed by in seconds.\n"
+ "\t\t Messages which are sent periodically. Purely for testing puposes! \n\n"
+ "\t-snm, --sendNowMessage \n"
+ "\t\t with groovy script which implements MessageGeneratorService.\n"
+ "\t\t Messages are sent in defined states defined by programmer. Purely for testing puposes! \n\n"
+ "\t--help\n" + "\t\tdisplay this help and exits\n\n"
+ "With no parameters, this help is printed.";
private static final int KA_TO_DEADTIMER_RATIO = 4;
private Main() {
}
public static void main(final String[] args) throws UnknownHostException, InterruptedException, ExecutionException {
if (args.length == 0 || args.length == 1 && args[0].equalsIgnoreCase("--help")) {
LOG.info(Main.USAGE);
return;
}
InetSocketAddress address = null;
Uint8 keepAliveValue = Uint8.valueOf(30);
Uint8 deadTimerValue = Uint8.ZERO;
// FIXME: add a command-line option for this
Uint16 maxUnknownMessages = Uint16.valueOf(5);
boolean stateful = false;
boolean active = false;
boolean instant = false;
int pos = 0;
while (pos < args.length) {
if (args[pos].equalsIgnoreCase("-a") || args[pos].equalsIgnoreCase("--address")) {
final String[] ip = args[pos + 1].split(":");
address = new InetSocketAddress(InetAddress.getByName(ip[0]), Integer.parseInt(ip[1]));
pos++;
} else if (args[pos].equalsIgnoreCase("-d") || args[pos].equalsIgnoreCase("--deadtimer")) {
deadTimerValue = Uint8.valueOf(args[pos + 1]);
pos++;
} else if (args[pos].equalsIgnoreCase("-ka") || args[pos].equalsIgnoreCase("--keepalive")) {
keepAliveValue = Uint8.valueOf(args[pos + 1]);
pos++;
} else if (args[pos].equalsIgnoreCase("--stateful")) {
stateful = true;
} else if (args[pos].equalsIgnoreCase("--active")) {
stateful = true;
active = true;
} else if (args[pos].equalsIgnoreCase("--instant")) {
stateful = true;
instant = true;
} else {
LOG.warn("WARNING: Unrecognized argument: {}", args[pos]);
}
pos++;
}
if (Uint8.ZERO.equals(deadTimerValue)) {
final var newValue = keepAliveValue.toJava() * KA_TO_DEADTIMER_RATIO;
deadTimerValue = newValue <= Uint8.MAX_VALUE.toJava() ? Uint8.valueOf(newValue) : Uint8.MAX_VALUE;
} else if (deadTimerValue.toJava() != keepAliveValue.toJava() * KA_TO_DEADTIMER_RATIO) {
LOG.warn("WARNING: The value of DeadTimer should be 4 times the value of KeepAlive.");
}
final MessageRegistry handlerRegistry = ServiceLoader.load(PCEPExtensionConsumerContext.class).findFirst()
.orElseThrow()
.getMessageHandlerRegistry();
final PCEPDispatcherImpl dispatcher = new PCEPDispatcherImpl();
dispatcher.createServer(address, KeyMapping.of(), handlerRegistry, new DefaultPCEPSessionNegotiatorFactory(
new TestingSessionListenerFactory(),
new PCEPTimerProposal(keepAliveValue, deadTimerValue),
stateful ? List.of(new PCEPStatefulCapability(active, instant, false, false, false, false)) : List.of(),
maxUnknownMessages, null)).get();
}
}
