/*
* 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.jmeter.engine;
import java.io.File;
import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.NotBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.server.RemoteObject;
import java.util.Properties;
import org.apache.jmeter.services.FileServer;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.collections.HashTree;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;
/**
* Class to run remote tests from the client JMeter and collect remote samples
*/
public class ClientJMeterEngine implements JMeterEngine {
private static final Logger log = LoggingManager.getLoggerForClass();
private static final Object LOCK = new Object();
private RemoteJMeterEngine remote;
private HashTree test;
private final String host;
private static RemoteJMeterEngine getEngine(String h) throws MalformedURLException, RemoteException,
NotBoundException {
final String name = "//" + h + "/" + RemoteJMeterEngineImpl.JMETER_ENGINE_RMI_NAME; // $NON-NLS-1$ $NON-NLS-2$
Remote remobj = Naming.lookup(name);
if (remobj instanceof RemoteJMeterEngine){
final RemoteJMeterEngine rje = (RemoteJMeterEngine) remobj;
if (remobj instanceof RemoteObject){
RemoteObject robj = (RemoteObject) remobj;
System.out.println("Using remote object: "+robj.getRef().remoteToString());
}
return rje;
}
throw new RemoteException("Could not find "+name);
}
public ClientJMeterEngine(String host) throws MalformedURLException, NotBoundException, RemoteException {
this.remote = getEngine(host);
this.host = host;
}
/** {@inheritDoc} */
@Override
public void configure(HashTree testTree) {
TreeCloner cloner = new TreeCloner(false);
testTree.traverse(cloner);
test = cloner.getClonedTree();
}
/** {@inheritDoc} */
@Override
public void stopTest(boolean now) {
log.info("about to "+(now ? "stop" : "shutdown")+" remote test on "+host);
try {
remote.rstopTest(now);
} catch (Exception ex) {
log.error("", ex); // $NON-NLS-1$
}
}
/** {@inheritDoc} */
@Override
public void reset() {
try {
try {
remote.rreset();
} catch (java.rmi.ConnectException e) {
log.info("Retry reset after: "+e);
remote = getEngine(host);
remote.rreset();
}
} catch (Exception ex) {
log.error("Failed to reset remote engine", ex); // $NON-NLS-1$
}
}
@Override
public void runTest() throws JMeterEngineException {
log.info("running clientengine run method");
HashTree testTree = test;
synchronized(testTree) {
testTree.traverse(new PreCompiler(true)); // limit the changes to client only test elements
testTree.traverse(new TurnElementsOn());
testTree.traverse(new ConvertListeners());
}
String methodName="unknown";
try {
JMeterContextService.startTest();
/*
* Add fix for Deadlocks, see:
*
* See https://issues.apache.org/bugzilla/show_bug.cgi?id=48350
*/
File baseDirRelative = FileServer.getFileServer().getBaseDirRelative();
String scriptName = FileServer.getFileServer().getScriptName();
synchronized(LOCK)
{
methodName="rconfigure()";
remote.rconfigure(testTree, host, baseDirRelative, scriptName);
}
log.info("sent test to " + host + " basedir='"+baseDirRelative+"'"); // $NON-NLS-1$
if(savep == null) {
savep = new Properties();
}
log.info("Sending properties "+savep);
try {
methodName="rsetProperties()";
remote.rsetProperties(savep);
} catch (RemoteException e) {
log.warn("Could not set properties: " + e.toString());
}
methodName="rrunTest()";
remote.rrunTest();
log.info("sent run command to "+ host);
} catch (IllegalStateException ex) {
log.error("Error in "+methodName+" method "+ex); // $NON-NLS-1$ $NON-NLS-2$
tidyRMI(log);
throw ex; // Don't wrap this error - display it as is
} catch (Exception ex) {
log.error("Error in "+methodName+" method "+ex); // $NON-NLS-1$ $NON-NLS-2$
tidyRMI(log);
throw new JMeterEngineException("Error in "+methodName+" method "+ex, ex); // $NON-NLS-1$ $NON-NLS-2$
}
}
/**
* Tidy up RMI access to allow JMeter client to exit.
* Currently just interrups the "RMI Reaper" thread.
* @param logger where to log the information
*/
public static void tidyRMI(Logger logger) {
String reaperRE = JMeterUtils.getPropDefault("rmi.thread.name", "^RMI Reaper$");
for(Thread t : Thread.getAllStackTraces().keySet()){
String name = t.getName();
if (name.matches(reaperRE)) {
logger.info("Interrupting "+name);
t.interrupt();
}
}
}
/** {@inheritDoc} */
// Called by JMeter ListenToTest if remoteStop is true
@Override
public void exit() {
log.info("about to exit remote server on "+host);
try {
remote.rexit();
} catch (RemoteException e) {
log.warn("Could not perform remote exit: " + e.toString());
}
}
private Properties savep;
/** {@inheritDoc} */
@Override
public void setProperties(Properties p) {
savep = p;
// Sent later
}
@Override
public boolean isActive() {
return true;
}
}