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org.apache.activemq.artemis.utils.SpawnedVMSupport Maven / Gradle / Ivy
/*
* 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.utils;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Paths;
import java.util.HashSet;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.shaded.org.jboss.logging.Logger;
public class SpawnedVMSupport {
static ConcurrentHashMap startedProcesses = null;
private static final Logger log = Logger.getLogger(SpawnedVMSupport.class);
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 classPath,
final String className,
final boolean logOutput,
final String... args) throws Exception {
return SpawnedVMSupport.spawnVM(classPath, 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 spawnVM(final String classpath,
final String className,
final String[] vmargs,
final boolean logOutput,
final String... args) throws Exception {
return SpawnedVMSupport.spawnVM(classpath, 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 classPath,
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(classPath, 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 {
return spawnVM(getClassPath(), wordMatch, wordRunning, className, memoryArg1, memoryArg2, vmargs, logOutput, logErrorOutput, useLogging, args);
}
public static Process spawnVM(String classPath,
String wordMatch,
Runnable wordRunning,
String className,
String memoryArg1,
String memoryArg2,
String[] vmargs,
boolean logOutput,
boolean logErrorOutput,
boolean useLogging,
String... args) throws IOException, ClassNotFoundException {
return spawnVM(classPath, wordMatch, wordRunning, className, memoryArg1, memoryArg2, vmargs, logOutput, logErrorOutput, useLogging, -1, args);
}
public static String getClassPath() {
return System.getProperty("java.class.path");
}
public static String getClassPath(File libfolder) {
if (libfolder == null) {
return getClassPath();
}
StringBuilder stringBuilder = new StringBuilder();
boolean empty = true;
File[] files = libfolder.listFiles();
if (files == null) {
return getClassPath();
} else {
for (File f : files) {
if (f.getName().endsWith(".jar") || f.getName().endsWith(".zip")) {
if (!empty) {
stringBuilder.append(File.pathSeparator);
}
empty = false;
stringBuilder.append(f.toString());
}
}
}
return stringBuilder.toString();
}
/**
* @param classPath
* @param wordMatch
* @param wordRunning
* @param className
* @param memoryArg1
* @param memoryArg2
* @param vmargs
* @param logOutput
* @param logErrorOutput
* @param useLogging
* @param debugPort if <=0 it means no debug
* @param args
* @return
* @throws IOException
* @throws ClassNotFoundException
*/
public static Process spawnVM(String classPath,
String wordMatch,
Runnable wordRunning,
String className,
String memoryArg1,
String memoryArg2,
String[] vmargs,
boolean logOutput,
boolean logErrorOutput,
boolean useLogging,
long debugPort,
String... args) throws IOException, ClassNotFoundException {
final String javaPath = Paths.get(System.getProperty("java.home"), "bin", "java").toAbsolutePath().toString();
ProcessBuilder builder = new ProcessBuilder();
if (memoryArg1 == null) {
memoryArg1 = "-Xms128m";
}
if (memoryArg2 == null) {
memoryArg2 = "-Xmx128m";
}
builder.command(javaPath, memoryArg1, memoryArg2);
if (debugPort > 0) {
builder.command().add("-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=" + debugPort);
}
builder.environment().put("CLASSPATH", classPath);
List 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.apache.activemq.artemis.shaded.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 jacocoAgent = System.getProperty("jacoco.agent");
if (jacocoAgent != null && !jacocoAgent.isEmpty()) {
commandList.add(jacocoAgent);
}
String loggingPlugin = System.getProperty("org.apache.activemq.artemis.shaded.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();
if (startedProcesses != null) {
startedProcesses.put(process, className);
}
return process;
}
/**
* it will return a pair of dead / alive servers
*
* @return
*/
private static HashSet getAliveProcesses() {
HashSet aliveProcess = new HashSet<>();
if (startedProcesses != null) {
for (;;) {
try {
aliveProcess.clear();
for (Process process : startedProcesses.keySet()) {
if (process.isAlive()) {
aliveProcess.add(process);
process.destroyForcibly();
}
}
break;
} catch (Throwable e) {
e.printStackTrace();
}
}
}
return aliveProcess;
}
public static void forceKill() {
HashSet aliveProcess = getAliveProcesses();
for (Process alive : aliveProcess) {
for (int i = 0; i < 5; i++) {
alive.destroyForcibly();
try {
alive.waitFor(5, TimeUnit.SECONDS);
} catch (Exception e) {
}
}
}
}
public static void enableCheck() {
startedProcesses = new ConcurrentHashMap<>();
}
/**
* Check if all spawned processes are finished.
*/
public static boolean checkProcess() {
HashSet aliveProcess = getAliveProcesses();
try {
if (!aliveProcess.isEmpty()) {
StringBuffer buffer = new StringBuffer();
for (Process alive : aliveProcess) {
alive.destroyForcibly();
buffer.append(startedProcesses.get(alive) + " ");
}
return false;
}
} finally {
startedProcesses = null;
}
return true;
}
/**
* @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);
}
/**
* 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();
}
}
}
}
