/*
* 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.protocol.http.sampler;
import java.net.URL;
import org.apache.jmeter.engine.event.LoopIterationEvent;
import org.apache.jmeter.samplers.Interruptible;
/**
* Proxy class that dispatches to the appropriate HTTP sampler.
* <p>
* This class is stored in the test plan, and holds all the configuration settings.
* The actual implementation is created at run-time, and is passed a reference to this class
* so it can get access to all the settings stored by HTTPSamplerProxy.
*/
public final class HTTPSamplerProxy extends HTTPSamplerBase implements Interruptible {
private static final long serialVersionUID = 1L;
private transient HTTPAbstractImpl impl;
private transient volatile boolean notifyFirstSampleAfterLoopRestart;
public HTTPSamplerProxy(){
super();
}
/**
* Convenience method used to initialise the implementation.
*
* @param impl the implementation to use.
*/
public HTTPSamplerProxy(String impl){
super();
setImplementation(impl);
}
/** {@inheritDoc} */
@Override
protected HTTPSampleResult sample(URL u, String method, boolean areFollowingRedirect, int depth) {
// When Retrieve Embedded resources + Concurrent Pool is used
// as the instance of Proxy is cloned, we end up with impl being null
// testIterationStart will not be executed but it's not a problem for 51380 as it's download of resources
// so SSL context is to be reused
if (impl == null) { // Not called from multiple threads, so this is OK
try {
impl = HTTPSamplerFactory.getImplementation(getImplementation(), this);
} catch (Exception ex) {
return errorResult(ex, new HTTPSampleResult());
}
}
// see https://bz.apache.org/bugzilla/show_bug.cgi?id=51380
if(notifyFirstSampleAfterLoopRestart) {
impl.notifyFirstSampleAfterLoopRestart();
notifyFirstSampleAfterLoopRestart = false;
}
return impl.sample(u, method, areFollowingRedirect, depth);
}
// N.B. It's not po ssible to forward threadStarted() to the implementation class.
// This is because Config items are not processed until later, and HTTPDefaults may define the implementation
@Override
public void threadFinished(){
if (impl != null){
impl.threadFinished(); // Forward to sampler
}
}
@Override
public boolean interrupt() {
if (impl != null) {
return impl.interrupt(); // Forward to sampler
}
return false;
}
/* (non-Javadoc)
* @see org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase#testIterationStart(org.apache.jmeter.engine.event.LoopIterationEvent)
*/
@Override
public void testIterationStart(LoopIterationEvent event) {
notifyFirstSampleAfterLoopRestart = true;
}
}