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/*
* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* A JVM with JDP on should send multicast JDP packets regularly.
*
* See main for more information on running this test manually.
* See Launcher classes for automated runs.
*
*/
import java.net.SocketTimeoutException;
import java.util.Map;
import static jdk.test.lib.Asserts.assertNotEquals;
public class JdpOnTestCase extends JdpTestCase {
private int receivedJDPpackets = 0;
public JdpOnTestCase(ClientConnection connection) {
super(connection);
}
/**
* Subclasses: JdpOnTestCase and JdpOffTestCase have different messages.
*/
@Override
protected String initialLogMessage() {
return "Waiting for 3 packets with jdp.name=" + connection.instanceName;
}
/**
* This method is executed after a correct Jdp packet (coming from this VM) has been received.
*
* @param payload A dictionary containing the data if the received Jdp packet.
*/
protected void packetFromThisVMReceived(Map<String, String> payload) {
receivedJDPpackets++;
final String jdpName = payload.get("INSTANCE_NAME");
log.fine("Received correct JDP packet #" + String.valueOf(receivedJDPpackets) +
", jdp.name=" + jdpName);
assertNotEquals(null, payload.get("PROCESS_ID"), "Expected payload.get(\"PROCESS_ID\") to be not null.");
}
/**
* The socket should not timeout.
* It is set to wait for 10 times the defined pause between Jdp packet. See JdpOnTestCase.TIME_OUT_FACTOR.
*/
@Override
protected void onSocketTimeOut(SocketTimeoutException e) throws Exception {
String message = "Timed out waiting for JDP packet. Should arrive within " +
connection.pauseInSeconds + " seconds, but waited for " +
timeOut + " seconds.";
log.severe(message);
throw new Exception(message, e);
}
/**
* After receiving three Jdp packets the test should end.
*/
@Override
protected boolean shouldContinue() {
return receivedJDPpackets < 3;
}
/**
* To run this test manually you might need the following VM options:
* <p/>
* -Dcom.sun.management.jmxremote.authenticate=false
* -Dcom.sun.management.jmxremote.ssl=false
* -Dcom.sun.management.jmxremote.port=4711 (or some other port number)
* -Dcom.sun.management.jmxremote=true
* -Dcom.sun.management.jmxremote.autodiscovery=true
* -Dcom.sun.management.jdp.pause=1
* -Dcom.sun.management.jdp.name=alex (or some other string to identify this VM)
* <p/>
* Recommended for nice output:
* -Djava.util.logging.SimpleFormatter.format="%1$tF %1$tT %4$-7s %5$s %n"
*
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
JdpTestCase client = new JdpOnTestCase(new ClientConnection());
client.run();
}
}
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