80 lines
3.0 KiB
Java
80 lines
3.0 KiB
Java
/*
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* Copyright (c) 2008, 2024, 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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package nsk.share.aod;
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import nsk.share.*;
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import nsk.share.jpda.SocketIOPipe;
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/*
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Class TargetApplication is part of the framework used in the AttachOnDemand tests
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(tests against Attach API, API from package com.sun.tools.attach).
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This class is used in tests where main test application uses Attach API, but doesn't load agents to the another VM.
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In these test there are 2 java applications: main application using Attach API and another
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'dummy' application which should be alive while main application is working.
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To synchronize main and dummy application SocketIOPipe is used: when DummyTargetApplication starts
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it sends signal that it is ready for test and waits for signal permitting finish execution
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(socket number used for connection establishing should be passed via command line).
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*/
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public class DummyTargetApplication {
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protected Log log = new Log(System.out);
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protected AODTargetArgParser argParser;
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protected SocketIOPipe pipe;
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public DummyTargetApplication(String[] args) {
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argParser = new AODTargetArgParser(args);
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}
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protected void targetApplicationActions() {
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// do nothing by default
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}
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public void runTargetApplication() {
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try {
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pipe = SocketIOPipe.createClientIOPipe(log, argParser.getPort(), 0);
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log.display("Sending signal '" + AODTestRunner.SIGNAL_READY_FOR_ATTACH + "'");
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pipe.println(AODTestRunner.SIGNAL_READY_FOR_ATTACH);
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targetApplicationActions();
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String signal = pipe.readln();
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log.display("Signal received: '" + signal + "'");
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if ((signal == null) || !signal.equals(AODTestRunner.SIGNAL_FINISH))
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throw new TestBug("Unexpected signal: '" + signal + "'");
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} finally {
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if (pipe != null) {
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pipe.close();
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}
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}
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}
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public static void main(String[] args) {
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new DummyTargetApplication(args).runTargetApplication();
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}
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}
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