/*
* Copyright 2010 Ning, Inc.
*
* Ning 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.asynchttpclient.async;
import static org.testng.Assert.*;
import static org.asynchttpclient.async.util.TestUtils.findFreePort;
import static org.asynchttpclient.async.util.TestUtils.newJettyHttpServer;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.asynchttpclient.AsyncCompletionHandlerBase;
import org.asynchttpclient.AsyncHttpClient;
import org.asynchttpclient.AsyncHttpClientConfig;
import org.asynchttpclient.Response;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
abstract public class MaxConnectionsInThreads extends AbstractBasicTest {
// FIXME weird
private static URI servletEndpointUri;
@Test(groups = { "online", "default_provider" })
public void testMaxConnectionsWithinThreads() throws InterruptedException {
String[] urls = new String[] { servletEndpointUri.toString(), servletEndpointUri.toString() };
final AsyncHttpClient client = getAsyncHttpClient(new AsyncHttpClientConfig.Builder().setConnectTimeout(1000).setRequestTimeout(5000).setAllowPoolingConnections(true)//
.setMaxConnections(1).setMaxConnectionsPerHost(1).build());
final CountDownLatch inThreadsLatch = new CountDownLatch(2);
final AtomicReference<Integer> failedRank = new AtomicReference(-1);
try {
for (int i = 0; i < urls.length; i++) {
final String url = urls[i];
final int rank = i;
Thread t = new Thread() {
public void run() {
client.prepareGet(url).execute(new AsyncCompletionHandlerBase() {
@Override
public Response onCompleted(Response response) throws Exception {
Response r = super.onCompleted(response);
inThreadsLatch.countDown();
return r;
}
@Override
public void onThrowable(Throwable t) {
super.onThrowable(t);
failedRank.set(rank);
inThreadsLatch.countDown();
}
});
}
};
t.start();
}
inThreadsLatch.await();
assertEquals(failedRank.get().intValue(), 1, "Max Connections should have been reached");
final CountDownLatch notInThreadsLatch = new CountDownLatch(2);
failedRank.set(-1);
for (int i = 0; i < urls.length; i++) {
final String url = urls[i];
final int rank = i;
client.prepareGet(url).execute(new AsyncCompletionHandlerBase() {
@Override
public Response onCompleted(Response response) throws Exception {
Response r = super.onCompleted(response);
notInThreadsLatch.countDown();
return r;
}
@Override
public void onThrowable(Throwable t) {
super.onThrowable(t);
failedRank.set(rank);
notInThreadsLatch.countDown();
}
});
}
notInThreadsLatch.await();
assertEquals(failedRank.get().intValue(), 1, "Max Connections should have been reached");
} finally {
client.close();
}
}
@Override
@BeforeClass
public void setUpGlobal() throws Exception {
port1 = findFreePort();
server = newJettyHttpServer(port1);
ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
context.setContextPath("/");
server.setHandler(context);
context.addServlet(new ServletHolder(new MockTimeoutHttpServlet()), "/timeout/*");
server.start();
String endpoint = "http://127.0.0.1:" + port1 + "/timeout/";
servletEndpointUri = new URI(endpoint);
}
public String getTargetUrl() {
String s = "http://127.0.0.1:" + port1 + "/timeout/";
try {
servletEndpointUri = new URI(s);
} catch (URISyntaxException e) {
e.printStackTrace();
}
return s;
}
@SuppressWarnings("serial")
public static class MockTimeoutHttpServlet extends HttpServlet {
private static final Logger LOGGER = LoggerFactory.getLogger(MockTimeoutHttpServlet.class);
private static final String contentType = "text/plain";
public static long DEFAULT_TIMEOUT = 2000;
public void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
res.setStatus(200);
res.addHeader("Content-Type", contentType);
long sleepTime = DEFAULT_TIMEOUT;
try {
sleepTime = Integer.parseInt(req.getParameter("timeout"));
} catch (NumberFormatException e) {
sleepTime = DEFAULT_TIMEOUT;
}
try {
LOGGER.debug("=======================================");
LOGGER.debug("Servlet is sleeping for: " + sleepTime);
LOGGER.debug("=======================================");
Thread.sleep(sleepTime);
LOGGER.debug("=======================================");
LOGGER.debug("Servlet is awake for");
LOGGER.debug("=======================================");
} catch (Exception e) {
}
res.setHeader("XXX", "TripleX");
byte[] retVal = "1".getBytes();
OutputStream os = res.getOutputStream();
res.setContentLength(retVal.length);
os.write(retVal);
os.close();
}
}
}