/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.activemq.artemis.tests.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Paths;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeoutException;
import org.apache.activemq.artemis.tests.unit.UnitTestLogger;
import org.apache.activemq.artemis.utils.ActiveMQThreadFactory;
import org.junit.Assert;
import static java.util.concurrent.TimeUnit.SECONDS;
public final class SpawnedVMSupport {
private static final UnitTestLogger log = UnitTestLogger.LOGGER;
public static Process spawnVM(final String className, final String... args) throws Exception {
return SpawnedVMSupport.spawnVM(className, new String[0], true, args);
}
public static Process spawnVM(final String className,
final boolean logOutput,
final String... args) throws Exception {
return SpawnedVMSupport.spawnVM(className, new String[0], logOutput, args);
}
public static Process spawnVM(final String className, final String[] vmargs, final String... args) throws Exception {
return SpawnedVMSupport.spawnVM(className, vmargs, true, args);
}
public static Process spawnVM(final String className,
final String[] vmargs,
final boolean logOutput,
final String... args) throws Exception {
return SpawnedVMSupport.spawnVM(className, "-Xms512m", "-Xmx512m", vmargs, logOutput, true, true, args);
}
public static Process spawnVMWithLogMacher(String wordMatch,
Runnable runnable,
final String className,
final String[] vmargs,
final boolean logOutput,
final String... args) throws Exception {
return SpawnedVMSupport.spawnVM(wordMatch, runnable, className, "-Xms512m", "-Xmx512m", vmargs, logOutput, true, true, args);
}
public static Process spawnVM(final String className,
final String memoryArg1,
final String memoryArg2,
final String[] vmargs,
final boolean logOutput,
final boolean logErrorOutput,
final boolean useLogging,
final String... args) throws Exception {
return spawnVM(null, null, className, memoryArg1, memoryArg2, vmargs, logOutput, logErrorOutput, useLogging, args);
}
public static Process spawnVM(final String wordMatch,
final Runnable wordRunning,
final String className,
final String memoryArg1,
final String memoryArg2,
final String[] vmargs,
final boolean logOutput,
final boolean logErrorOutput,
final boolean useLogging,
final String... args) throws Exception {
ProcessBuilder builder = new ProcessBuilder();
final String javaPath = Paths.get(System.getProperty("java.home"), "bin", "java").toAbsolutePath().toString();
builder.command(javaPath, memoryArg1, memoryArg2);
builder.environment().put("CLASSPATH", System.getProperty("java.class.path"));
List<String> commandList = builder.command();
if (vmargs != null) {
for (String arg : vmargs) {
commandList.add(arg);
}
}
// The logs will be huge if you don't set this
if (useLogging) {
commandList.add("-Djava.util.logging.manager=org.jboss.logmanager.LogManager");
commandList.add("-Dlogging.configuration=file:../config/logging.properties");
}
commandList.add("-Djava.io.tmpdir=" + System.getProperty("java.io.tmpdir", "./tmp"));
commandList.add("-Djava.library.path=" + System.getProperty("java.library.path", "./native/bin"));
String loggingConfigFile = System.getProperty("java.util.logging.config.file");
if (loggingConfigFile != null) {
commandList.add("-Djava.util.logging.config.file=" + loggingConfigFile + " ");
}
String loggingPlugin = System.getProperty("org.jboss.logging.Logger.pluginClass");
if (loggingPlugin != null) {
commandList.add("-Dorg.jboss.logging.Logger.pluginClass=" + loggingPlugin + " ");
}
commandList.add(className);
for (String arg : args) {
commandList.add(arg);
}
Process process = builder.start();
SpawnedVMSupport.startLogger(logOutput, wordMatch, wordRunning, className, process);
// Adding a reader to System.err, so the VM won't hang on a System.err.println as identified on this forum thread:
// http://www.jboss.org/index.html?module=bb&op=viewtopic&t=151815
ProcessLogger errorLogger = new ProcessLogger(logErrorOutput, process.getErrorStream(), className, wordMatch, wordRunning);
errorLogger.start();
return process;
}
/**
* @param className
* @param process
* @throws ClassNotFoundException
*/
public static void startLogger(final boolean print,
final String wordMatch,
final Runnable wordRunanble,
final String className,
final Process process) throws ClassNotFoundException {
ProcessLogger outputLogger = new ProcessLogger(print, process.getInputStream(), className, wordMatch, wordRunanble);
outputLogger.start();
}
/**
* @param className
* @param process
* @throws ClassNotFoundException
*/
public static void startLogger(final String className, final Process process) throws ClassNotFoundException {
startLogger(true, null, null, className, process);
}
/**
* Assert that a process exits with the expected value (or not depending if
* the <code>sameValue</code> is expected or not). The method waits 5
* seconds for the process to exit, then an Exception is thrown. In any case,
* the process is destroyed before the method returns.
*/
public static void assertProcessExits(final boolean sameValue,
final int value,
final Process p) throws InterruptedException, ExecutionException, TimeoutException {
ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(ActiveMQThreadFactory.defaultThreadFactory());
Future<Integer> future = executor.submit(new Callable<Integer>() {
@Override
public Integer call() throws Exception {
p.waitFor();
return p.exitValue();
}
});
try {
int exitValue = future.get(10, SECONDS);
if (sameValue) {
Assert.assertSame(value, exitValue);
} else {
Assert.assertNotSame(value, exitValue);
}
} finally {
p.destroy();
}
}
/**
* Redirect the input stream to a logger (as debug logs)
*/
static class ProcessLogger extends Thread {
private final InputStream is;
private final String className;
private final boolean print;
private final String wordMatch;
/**
* This will be executed when wordMatch is within any line on the log *
* *
*/
private final Runnable wordRunner;
ProcessLogger(final boolean print,
final InputStream is,
final String className,
String wordMatch,
Runnable wordRunner) throws ClassNotFoundException {
this.is = is;
this.print = print;
this.className = className;
this.wordMatch = wordMatch;
this.wordRunner = wordRunner;
setDaemon(true);
}
@Override
public void run() {
try {
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line = null;
while ((line = br.readLine()) != null) {
if (wordMatch != null && wordRunner != null) {
if (line.contains(wordMatch)) {
wordRunner.run();
}
}
if (print) {
System.out.println(className + ":" + line);
}
}
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}
}