// ========================================================================
// Copyright 2004-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed 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.mortbay.terracotta.servlet;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Random;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.mortbay.jetty.HttpMethods;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.client.ContentExchange;
import org.mortbay.jetty.client.HttpClient;
import org.mortbay.jetty.servlet.SessionHandler;
import org.mortbay.jetty.webapp.WebAppContext;
import org.testng.annotations.Test;
/**
* @version $Revision: 1256 $ $Date: 2008-10-18 01:50:04 +1100 (Sat, 18 Oct 2008) $
*/
public class TIMSessionMigrationTest
{
@Test
public void testSessionMigration() throws Exception
{
File warDir = new File(System.getProperty("java.io.tmpdir"), "sessionMigration");
warDir.deleteOnExit();
warDir.mkdir();
File webInfDir = new File(warDir, "WEB-INF");
webInfDir.deleteOnExit();
webInfDir.mkdir();
File webXml = new File(webInfDir, "web.xml");
webXml.deleteOnExit();
String xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<web-app xmlns=\"http://java.sun.com/xml/ns/j2ee\"\n" +
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
" xsi:schemaLocation=\"http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd\"\n" +
" version=\"2.4\">\n" +
"\n" +
"</web-app>";
FileWriter w = new FileWriter(webXml);
w.write(xml);
w.close();
Random random = new Random(System.nanoTime());
String contextPath = "/migration";
String servletMapping = "/server";
int port1 = random.nextInt(50000) + 10000;
Server server1 = new Server(port1);
WebAppContext context1 = new WebAppContext(warDir.getCanonicalPath(), contextPath);
context1.setSessionHandler(new SessionHandler());
context1.addServlet(TestServlet.class, servletMapping);
server1.setHandler(context1);
server1.start();
try
{
int port2 = random.nextInt(50000) + 10000;
Server server2 = new Server(port2);
WebAppContext context2 = new WebAppContext(warDir.getCanonicalPath(), contextPath);
context2.setSessionHandler(new SessionHandler());
context2.addServlet(TestServlet.class, servletMapping);
server2.setHandler(context2);
server2.start();
try
{
HttpClient client = new HttpClient();
client.setConnectorType(HttpClient.CONNECTOR_SOCKET);
client.start();
try
{
// Perform one request to server1 to create a session
int value = 1;
ContentExchange exchange1 = new ContentExchange(true);
exchange1.setMethod(HttpMethods.POST);
exchange1.setURL("http://localhost:" + port1 + contextPath + servletMapping + "?action=set&value=" + value);
client.send(exchange1);
exchange1.waitForDone();
assert exchange1.getResponseStatus() == HttpServletResponse.SC_OK : exchange1.getResponseStatus();
String sessionCookie = exchange1.getResponseFields().getStringField("Set-Cookie");
System.out.println("sessionCookie = " + sessionCookie);
// Perform a request to server2 using the session cookie from the previous request
// This should migrate the session from server1 to server2.
ContentExchange exchange2 = new ContentExchange(true);
exchange2.setMethod(HttpMethods.GET);
exchange2.setURL("http://localhost:" + port2 + contextPath + servletMapping + "?action=get");
exchange2.getRequestFields().add("Cookie", sessionCookie);
client.send(exchange2);
exchange2.waitForDone();
assert exchange2.getResponseStatus() == HttpServletResponse.SC_OK;
String response = exchange2.getResponseContent();
assert response.trim().equals(String.valueOf(value));
}
finally
{
client.stop();
}
}
finally
{
server2.stop();
}
}
finally
{
server1.stop();
}
}
public static class TestServlet extends HttpServlet
{
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
doPost(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
HttpSession session = request.getSession(false);
if (session == null) session = request.getSession(true);
String action = request.getParameter("action");
if ("set".equals(action))
{
int value = Integer.parseInt(request.getParameter("value"));
session.setAttribute("value", value);
PrintWriter writer = response.getWriter();
writer.println(value);
writer.flush();
}
else if ("get".equals(action))
{
int value = (Integer)session.getAttribute("value");
PrintWriter writer = response.getWriter();
writer.println(value);
writer.flush();
}
}
}
}