// ======================================================================== // Copyright 2004-2008 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.IOException; 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.Request; import org.mortbay.jetty.client.ContentExchange; import org.mortbay.jetty.client.HttpClient; import org.testng.annotations.Test; /** * @version $Revision: 1645 $ $Date: 2009-09-15 20:31:07 +1000 (Tue, 15 Sep 2009) $ */ public class LocalSessionScavengingTest { @Test public void testLocalSessionsScavenging() throws Exception { Random random = new Random(System.nanoTime()); String contextPath = ""; String servletMapping = "/server"; int port1 = random.nextInt(50000) + 10000; int inactivePeriod = 1; int scavengePeriod = 2; TerracottaJettyServer server1 = new TerracottaJettyServer(port1, inactivePeriod, scavengePeriod); server1.addContext(contextPath).addServlet(TestServlet.class, servletMapping); server1.start(); try { int port2 = random.nextInt(50000) + 10000; TerracottaJettyServer server2 = new TerracottaJettyServer(port2, inactivePeriod, scavengePeriod * 3); server2.addContext(contextPath).addServlet(TestServlet.class, servletMapping); server2.start(); try { HttpClient client = new HttpClient(); client.setConnectorType(HttpClient.CONNECTOR_SOCKET); client.start(); try { String[] urls = new String[2]; urls[0] = "http://localhost:" + port1 + contextPath + servletMapping; urls[1] = "http://localhost:" + port2 + contextPath + servletMapping; // Create the session on node1 ContentExchange exchange1 = new ContentExchange(true); exchange1.setMethod(HttpMethods.GET); exchange1.setURL(urls[0] + "?action=init"); client.send(exchange1); exchange1.waitForDone(); assert exchange1.getResponseStatus() == HttpServletResponse.SC_OK; String sessionCookie = exchange1.getResponseFields().getStringField("Set-Cookie"); assert sessionCookie != null; // Mangle the cookie, replacing Path with $Path, etc. sessionCookie = sessionCookie.replaceFirst("(\\W)(P|p)ath=", "$1\\$Path="); // Be sure the session is also present in node2 ContentExchange exchange2 = new ContentExchange(true); exchange2.setMethod(HttpMethods.GET); exchange2.setURL(urls[1] + "?action=test"); exchange2.getRequestFields().add("Cookie", sessionCookie); client.send(exchange2); exchange2.waitForDone(); assert exchange2.getResponseStatus() == HttpServletResponse.SC_OK; // Wait for the scavenger to run on node1, waiting 2.5 times the scavenger period Thread.sleep(scavengePeriod * 2500L); // Check that node1 does not have any local session cached exchange1 = new ContentExchange(true); exchange1.setMethod(HttpMethods.GET); exchange1.setURL(urls[0] + "?action=check"); client.send(exchange1); exchange1.waitForDone(); assert exchange1.getResponseStatus() == HttpServletResponse.SC_OK; // Wait for the scavenger to run on node2, waiting 2 times the scavenger period // This ensures that the scavenger on node2 runs at least once. Thread.sleep(scavengePeriod * 2000L); // Check that node1 does not have any local session cached exchange2 = new ContentExchange(true); exchange2.setMethod(HttpMethods.GET); exchange2.setURL(urls[1] + "?action=check"); client.send(exchange2); exchange2.waitForDone(); assert exchange2.getResponseStatus() == HttpServletResponse.SC_OK; } finally { client.stop(); } } finally { server2.stop(); } } finally { server1.stop(); } } public static class TestServlet extends HttpServlet { private TerracottaSessionManager sessionManager; @Override protected void doGet(HttpServletRequest request, HttpServletResponse httpServletResponse) throws ServletException, IOException { String action = request.getParameter("action"); if ("init".equals(action)) { HttpSession session = request.getSession(true); session.setAttribute("test", "test"); this.sessionManager = (TerracottaSessionManager)((Request)request).getSessionManager(); } else if ("test".equals(action)) { HttpSession session = request.getSession(false); session.setAttribute("test", "test"); this.sessionManager = (TerracottaSessionManager)((Request)request).getSessionManager(); } else if ("check".equals(action)) { int size = sessionManager.getSessions(); assert size == 0; } } } }