/*
* $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0.1/contrib/src/main/java/org/apache/http/contrib/benchmark/BenchmarkWorker.java $
* $Revision: 744512 $
* $Date: 2009-02-14 17:34:15 +0100 (Sat, 14 Feb 2009) $
*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.contrib.benchmark;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocketFactory;
import org.apache.http.ConnectionReuseStrategy;
import org.apache.http.Header;
import org.apache.http.HeaderIterator;
import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.impl.DefaultHttpClientConnection;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.DefaultedHttpParams;
import org.apache.http.protocol.BasicHttpProcessor;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.ExecutionContext;
import org.apache.http.protocol.HttpRequestExecutor;
import org.apache.http.protocol.RequestConnControl;
import org.apache.http.protocol.RequestContent;
import org.apache.http.protocol.RequestExpectContinue;
import org.apache.http.protocol.RequestTargetHost;
import org.apache.http.protocol.RequestUserAgent;
import org.apache.http.util.EntityUtils;
/**
* Worker thread for the {@link HttpBenchmark HttpBenchmark}.
*
*
* <!-- empty lines above to avoid 'svn diff' context problems -->
* @version $Revision: 744512 $
*
* @since 4.0
*/
public class BenchmarkWorker implements Runnable {
private byte[] buffer = new byte[4096];
private final int verbosity;
private final HttpParams params;
private final HttpContext context;
private final BasicHttpProcessor httpProcessor;
private final HttpRequestExecutor httpexecutor;
private final ConnectionReuseStrategy connstrategy;
private final HttpRequest request;
private final HttpHost targetHost;
private final int count;
private final boolean keepalive;
private final Stats stats = new Stats();
public BenchmarkWorker(
final HttpParams params,
int verbosity,
final HttpRequest request,
final HttpHost targetHost,
int count,
boolean keepalive) {
super();
this.params = params;
this.context = new BasicHttpContext(null);
this.request = request;
this.targetHost = targetHost;
this.count = count;
this.keepalive = keepalive;
this.httpProcessor = new BasicHttpProcessor();
this.httpexecutor = new HttpRequestExecutor();
// Required request interceptors
this.httpProcessor.addInterceptor(new RequestContent());
this.httpProcessor.addInterceptor(new RequestTargetHost());
// Recommended request interceptors
this.httpProcessor.addInterceptor(new RequestConnControl());
this.httpProcessor.addInterceptor(new RequestUserAgent());
this.httpProcessor.addInterceptor(new RequestExpectContinue());
this.connstrategy = new DefaultConnectionReuseStrategy();
this.verbosity = verbosity;
}
public void run() {
HttpResponse response = null;
DefaultHttpClientConnection conn = new DefaultHttpClientConnection();
String hostname = targetHost.getHostName();
int port = targetHost.getPort();
if (port == -1) {
port = 80;
}
// Populate the execution context
this.context.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);
this.context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, this.targetHost);
this.context.setAttribute(ExecutionContext.HTTP_REQUEST, this.request);
stats.start();
request.setParams(new DefaultedHttpParams(new BasicHttpParams(), this.params));
for (int i = 0; i < count; i++) {
try {
resetHeader(request);
if (!conn.isOpen()) {
Socket socket = null;
if ("https".equals(targetHost.getSchemeName())) {
SocketFactory socketFactory = SSLSocketFactory.getDefault();
socket = socketFactory.createSocket(hostname, port);
} else {
socket = new Socket(hostname, port);
}
conn.bind(socket, params);
}
try {
// Prepare request
this.httpexecutor.preProcess(this.request, this.httpProcessor, this.context);
// Execute request and get a response
response = this.httpexecutor.execute(this.request, conn, this.context);
// Finalize response
this.httpexecutor.postProcess(response, this.httpProcessor, this.context);
} catch (HttpException e) {
stats.incWriteErrors();
if (this.verbosity >= 2) {
System.err.println("Failed HTTP request : " + e.getMessage());
}
continue;
}
verboseOutput(response);
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
stats.incSuccessCount();
} else {
stats.incFailureCount();
continue;
}
HttpEntity entity = response.getEntity();
String charset = EntityUtils.getContentCharSet(entity);
if (charset == null) {
charset = HTTP.DEFAULT_CONTENT_CHARSET;
}
long contentlen = 0;
if (entity != null) {
InputStream instream = entity.getContent();
int l = 0;
while ((l = instream.read(this.buffer)) != -1) {
stats.incTotalBytesRecv(l);
contentlen += l;
if (this.verbosity >= 4) {
String s = new String(this.buffer, 0, l, charset);
System.out.print(s);
}
}
instream.close();
}
if (this.verbosity >= 4) {
System.out.println();
System.out.println();
}
if (!keepalive || !this.connstrategy.keepAlive(response, this.context)) {
conn.close();
}
stats.setContentLength(contentlen);
} catch (IOException ex) {
ex.printStackTrace();
stats.incFailureCount();
if (this.verbosity >= 2) {
System.err.println("I/O error: " + ex.getMessage());
}
}
}
stats.finish();
if (response != null) {
Header header = response.getFirstHeader("Server");
if (header != null) {
stats.setServerName(header.getValue());
}
}
try {
conn.close();
} catch (IOException ex) {
ex.printStackTrace();
stats.incFailureCount();
if (this.verbosity >= 2) {
System.err.println("I/O error: " + ex.getMessage());
}
}
}
private void verboseOutput(HttpResponse response) {
if (this.verbosity >= 3) {
System.out.println(">> " + request.getRequestLine().toString());
Header[] headers = request.getAllHeaders();
for (int h = 0; h < headers.length; h++) {
System.out.println(">> " + headers[h].toString());
}
System.out.println();
}
if (this.verbosity >= 2) {
System.out.println(response.getStatusLine().getStatusCode());
}
if (this.verbosity >= 3) {
System.out.println("<< " + response.getStatusLine().toString());
Header[] headers = response.getAllHeaders();
for (int h = 0; h < headers.length; h++) {
System.out.println("<< " + headers[h].toString());
}
System.out.println();
}
}
private static void resetHeader(final HttpRequest request) {
for (HeaderIterator it = request.headerIterator(); it.hasNext();) {
Header header = it.nextHeader();
if (!(header instanceof DefaultHeader)) {
it.remove();
}
}
}
public Stats getStats() {
return stats;
}
}