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