/*
* Copyright (c) xlightweb.org, 2006 - 2009. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
* The latest copy of this software may be found on http://www.xlightweb.org/
*/
package org.xlightweb;
import java.io.IOException;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.Assert;
import org.junit.Test;
import org.xlightweb.BadMessageException;
import org.xlightweb.GetRequest;
import org.xlightweb.HttpResponse;
import org.xlightweb.IHttpExchange;
import org.xlightweb.IHttpRequestHandler;
import org.xlightweb.IHttpResponse;
import org.xlightweb.client.HttpClient;
import org.xlightweb.server.HttpServer;
import org.xsocket.connection.MaxConnectionsExceededException;
/**
*
* @author grro@xlightweb.org
*/
public final class HttpClientMaxConPerHostTest {
public static void main(String[] args) throws Exception {
for (int i = 0; i < 1000; i++) {
System.out.println("run " + i);
new HttpClientMaxConPerHostTest().testSimple();
}
}
@Test
public void testSimple() throws Exception {
RequestHandler reqHdl = new RequestHandler();
final HttpServer server = new HttpServer(0, reqHdl, 4, 10);
server.start();
final HttpClient httpClient = new HttpClient();
httpClient.setMaxActivePerServer(2);
System.out.println(System.currentTimeMillis() + " start first thread");
httpClient.send(new GetRequest("http://localhost:" + server.getLocalPort() + "/?delay=3000"), new ResponseHandler());
QAUtil.sleep(300);
System.out.println(System.currentTimeMillis() + " start second thread");
httpClient.send(new GetRequest("http://localhost:" + server.getLocalPort() + "/?delay=3000"), new ResponseHandler());
System.out.println("waiting util started");
while(reqHdl.getRunning() < 2) {
QAUtil.sleep(100);
}
System.out.println("perform third call (should fail)");
try {
httpClient.call(new GetRequest("http://localhost:" + server.getLocalPort()));
Assert.fail("MaxConnectionsExceededException expected");
} catch (MaxConnectionsExceededException expected) { }
System.out.println("waiting until less than 2 threads are running");
while(reqHdl.getRunning() >= 2) {
QAUtil.sleep(100);
}
QAUtil.sleep(1000);
System.out.println("try again calling (should be successful)");
IHttpResponse response = httpClient.call(new GetRequest("http://localhost:" + server.getLocalPort()));
Assert.assertEquals(200, response.getStatus());
httpClient.close();
server.close();
}
@Test
public void testSimpleWithCache() throws Exception {
RequestHandler reqHdl = new RequestHandler();
final HttpServer server = new HttpServer(0, reqHdl, 4, 10);
server.start();
final HttpClient httpClient = new HttpClient();
httpClient.setCacheMaxSizeKB(100);
httpClient.setMaxActivePerServer(2);
System.out.println(System.currentTimeMillis() + " start first thread");
httpClient.send(new GetRequest("http://localhost:" + server.getLocalPort() + "/?delay=3000"), new ResponseHandler());
QAUtil.sleep(300);
System.out.println(System.currentTimeMillis() + " start second thread");
httpClient.send(new GetRequest("http://localhost:" + server.getLocalPort() + "/?delay=3000"));
while(reqHdl.getRunning() < 2) {
QAUtil.sleep(100);
}
try {
httpClient.call(new GetRequest("http://localhost:" + server.getLocalPort() + "/?delay=2000"));
Assert.fail("MaxConnectionsExceededException expected");
} catch (MaxConnectionsExceededException expected) { }
while(reqHdl.getRunning() >= 2) {
QAUtil.sleep(100);
}
QAUtil.sleep(1000);
IHttpResponse response = httpClient.call(new GetRequest("http://localhost:" + server.getLocalPort()));
Assert.assertEquals(200, response.getStatus());
httpClient.close();
server.close();
}
@Test
public void testNorExceeded() throws Exception {
RequestHandler reqHdl = new RequestHandler();
final HttpServer server = new HttpServer(0, reqHdl, 4, 10);
server.start();
final HttpClient httpClient = new HttpClient();
httpClient.setMaxActivePerServer(100);
for (int i = 0; i < 50; i++) {
httpClient.send(new GetRequest("http://localhost:" + server.getLocalPort() + "/?delay=3000"), new ResponseHandler());
}
QAUtil.sleep(1000);
httpClient.close();
server.close();
}
private static final class ResponseHandler implements IHttpResponseHandler {
public void onException(IOException ioe) throws IOException {
ioe.printStackTrace();
}
public void onResponse(IHttpResponse response) throws IOException {
}
}
private static final class RequestHandler implements IHttpRequestHandler {
private final AtomicInteger running = new AtomicInteger(0);
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
running.incrementAndGet();
int delay = exchange.getRequest().getIntParameter("delay", 0);
System.out.println("[" + Thread.currentThread().getName() + "] " + System.currentTimeMillis() + " start handle request delay=" + delay + " running=" + running.get());
QAUtil.sleep(delay);
HttpResponse resp = new HttpResponse(200, "text/plain", "test");
exchange.send(resp);
running.decrementAndGet();
System.out.println(System.currentTimeMillis() + " end handle request delay=" + delay + " running=" + running.get());
}
public int getRunning() {
return running.get();
}
};
}