96 lines
3.6 KiB
Java
96 lines
3.6 KiB
Java
/*
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* Copyright (c) 2008, 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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package nsk.share.aod;
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import java.io.File;
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import nsk.share.*;
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public class Utils {
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// prevent class instantiation
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private Utils() {
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}
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public static final long JPS_WORK_TIMEOUT = 60000; // 1 min
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/**
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* Find id of VM with certain value of property key. Method findVMIdUsingJPS
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* runs 'jps -v' and seeks in jps output line containing this unique string,
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* discovered string should also contain VM id.
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*
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* @param jdkPath - path to jdk
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* @param key - name of property
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* @param value - value of property
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* @return VM id
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*/
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public static String findVMIdUsingJPS(String jdkPath, String key, String value) {
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try {
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if (value == null) {
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return null;
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}
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String idString = key + "=" + value;
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String jpsPath = jdkPath + File.separator + "bin" + File.separator + "jps";
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while (true) {
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ProcessExecutor executor = new ProcessExecutor(jpsPath + " -v", JPS_WORK_TIMEOUT, "jps -v");
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executor.startProcess();
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executor.waitForProcess();
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if (executor.getExitCode() != 0) {
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throw new Failure("jps finished with non-zero code " + executor.getExitCode());
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}
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for (String jpsOutLine : executor.getProcessOut()) {
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if (jpsOutLine.contains(idString)) {
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if (jpsOutLine.indexOf(' ') < 0)
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throw new Failure("Unexpected format of the jps output '" + jpsOutLine + " (line doesn't contain space)");
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return jpsOutLine.substring(0, jpsOutLine.indexOf(' '));
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}
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}
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Thread.sleep(100);
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}
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} catch (Failure f) {
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throw f;
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} catch (Throwable t) {
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throw new Failure("Unexpected exception during jps execution: " + t, t);
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}
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}
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public static String findCurrentVMIdUsingJPS(String jdkPath) {
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/*
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* VM should be run with special property which allows to find VM id using jps
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* (see comments for method Utils.findVMIdUsingJPS)
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*/
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String applicationId = System.getProperty(AODTestRunner.targetAppIdProperty);
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if (applicationId == null)
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throw new TestBug("Property '" + AODTestRunner.targetAppIdProperty + "' isn't defined");
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String targetVMId = Utils.findVMIdUsingJPS(jdkPath, AODTestRunner.targetAppIdProperty, applicationId);
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return targetVMId;
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}
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}
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