//
   //  ========================================================================
   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.server.session;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.io.IOException;
  
  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.eclipse.jetty.client.HttpClient;
  import org.eclipse.jetty.client.api.ContentResponse;
  import org.junit.Test;
  
  
  /**
   * AbstractReentrantRequestSessionTest
   */
  public abstract class AbstractReentrantRequestSessionTest
  {
      public abstract AbstractTestServer createServer(int port);
  
      @Test
      public void testReentrantRequestSession() throws Exception
      {
          String contextPath = "";
          String servletMapping = "/server";
          AbstractTestServer server = createServer(0);
          server.addContext(contextPath).addServlet(TestServlet.class, servletMapping);
          try
          {
              server.start();
              int port = server.getPort();
  
              HttpClient client = new HttpClient();
              client.start();
              try
              {
                  ContentResponse response = client.GET("http://localhost:" + port + contextPath + servletMapping + "?action=reenter&port=" + port + "&path=" + contextPath + servletMapping);
                  assertEquals(HttpServletResponse.SC_OK,response.getStatus());
              }
              finally
              {
                  client.stop();
              }
          }
          finally
          {
              server.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);
  
              String action = request.getParameter("action");
              if ("reenter".equals(action))
              {
                  if (session == null)
                      session = request.getSession(true);
                  int port = Integer.parseInt(request.getParameter("port"));
                  String path = request.getParameter("path");
  
                  // We want to make another request
                  // while this request is still pending, to see if the locking is
                  // fine grained (per session at least).
                  try
                  {
                     HttpClient client = new HttpClient();
                     client.start();
                     try
                     {
                         ContentResponse resp = client.GET("http://localhost:" + port + path + ";jsessionid="+session.getId()+"?action=none");
                         assertEquals(HttpServletResponse.SC_OK,resp.getStatus());
                         assertEquals("true",session.getAttribute("reentrant"));
                     }
                     finally
                     {
                         client.stop();
                     }
                 }
                 catch (Exception x)
                 {
                     throw new ServletException(x);
                 }
             }
             else
             {
                 assertTrue(session!=null);
                 session.setAttribute("reentrant","true");
             }
         }
     }
 }