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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.plugins.context.metrics;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Map.Entry;
import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
import org.onap.policy.apex.model.basicmodel.service.AbstractParameters;
import org.onap.policy.apex.model.basicmodel.service.ParameterService;
import org.slf4j.ext.XLogger;
import org.slf4j.ext.XLoggerFactory;
import com.google.gson.Gson;
/**
* The Class ConcurrentContextMetricsJVMThread gets metrics for concurrent use of context.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
public class ConcurrentContextMetricsJVMThread implements Runnable {
// Logger for this class
private static final XLogger LOGGER = XLoggerFactory.getXLogger(ConcurrentContextMetricsJVMThread.class);
private final String testType;
private final int jvm;
private final int threadCount;
private final int threadLoops;
private final int longArraySize;
private final int lockType;
private boolean readyToGo = false;
private boolean allFinished = false;
private PrintWriter processWriter;
/**
* The Constructor.
*
* @param testType the test type
* @param jvm the jvm
* @param threadCount the thread count
* @param threadLoops the thread loops
* @param longArraySize the long array size
* @param lockType the lock type
* @throws ApexException the apex exception
*/
public ConcurrentContextMetricsJVMThread(final String testType, final int jvm, final int threadCount,
final int threadLoops, final int longArraySize, final int lockType) throws ApexException {
this.testType = testType;
this.jvm = jvm;
this.threadCount = threadCount;
this.threadLoops = threadLoops;
this.longArraySize = longArraySize;
this.lockType = lockType;
}
/*
* (non-Javadoc)
*
* @see java.lang.Runnable#run()
*/
@Override
public void run() {
final List<String> commandList = new ArrayList<>();
commandList.add(System.getProperty("java.home") + System.getProperty("file.separator") + "bin"
+ System.getProperty("file.separator") + "java");
commandList.add("-cp");
commandList.add(System.getProperty("java.class.path"));
for (final Entry<Object, Object> property : System.getProperties().entrySet()) {
if (property.getKey().toString().startsWith("APEX")
|| property.getKey().toString().equals("java.net.preferIPv4Stack")
|| property.getKey().toString().equals("jgroups.bind_addr")) {
commandList.add("-D" + property.getKey().toString() + "=" + property.getValue().toString());
}
}
commandList.add("org.onap.policy.apex.plugins.context.metrics.ConcurrentContextMetricsJVM");
commandList.add(testType);
commandList.add(new Integer(jvm).toString());
commandList.add(new Integer(threadCount).toString());
commandList.add(new Integer(threadLoops).toString());
commandList.add(new Integer(longArraySize).toString());
commandList.add(new Integer(lockType).toString());
for (final Entry<Class<?>, AbstractParameters> parameterServiceEntry : ParameterService.getAll()) {
commandList.add(parameterServiceEntry.getKey().getCanonicalName());
commandList.add(new Gson().toJson(parameterServiceEntry.getValue()));
}
LOGGER.info("starting JVM " + jvm);
// Run the JVM
final ProcessBuilder processBuilder = new ProcessBuilder(commandList);
processBuilder.redirectErrorStream(true);
Process process;
try {
process = processBuilder.start();
final InputStream is = process.getInputStream();
processWriter = new PrintWriter(process.getOutputStream());
final InputStreamReader isr = new InputStreamReader(is);
final BufferedReader br = new BufferedReader(isr);
String line;
LOGGER.info("JVM Output for command " + commandList + "\n");
while ((line = br.readLine()) != null) {
LOGGER.info(line);
if (line.trim().equals("ReadyToGo")) {
readyToGo = true;
} else if (line.trim().equals("AllFinished")) {
allFinished = true;
}
}
// Wait to get exit value
try {
final int exitValue = process.waitFor();
LOGGER.info("\n\nJVM " + jvm + " finished, exit value is " + exitValue);
} catch (final InterruptedException e) {
e.printStackTrace();
}
} catch (final IOException e1) {
e1.printStackTrace();
}
}
/**
* Checks if is ready to go.
*
* @return true, if checks if is ready to go
*/
public boolean isReadyToGo() {
return readyToGo;
}
/**
* Checks if is all finished.
*
* @return true, if checks if is all finished
*/
public boolean isAllFinished() {
return allFinished;
}
/**
* Off you go.
*/
public void offYouGo() {
processWriter.println("OffYouGo");
processWriter.flush();
}
/**
* Finish it out.
*/
public void finishItOut() {
processWriter.println("FinishItOut");
processWriter.flush();
}
}
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