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Merge remote-tracking branch 'origin/jetty-7' into jetty-8

This commit is contained in:
Jan Bartel 2012-10-26 09:39:53 +11:00
parent e8a77e7fce 8a9d25a48b
commit e93aa7d42c
4 changed files with 405 additions and 34 deletions
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164
jetty-server/src/main/java/org/eclipse/jetty/server/session/JDBCSessionIdManager.java
View File

@ -30,7 +30,9 @@ import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.Timer;
@ -81,7 +83,7 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
protected String _createSessionIdTable;
protected String _createSessionTable;
protected String _selectExpiredSessions;
protected String _selectBoundedExpiredSessions;
protected String _deleteOldExpiredSessions;
protected String _insertId;
@ -96,6 +98,8 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
protected DatabaseAdaptor _dbAdaptor;
private String _selectExpiredSessions;
/**
* DatabaseAdaptor
@ -114,7 +118,7 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
String _dbName;
boolean _isLower;
boolean _isUpper;
public DatabaseAdaptor (DatabaseMetaData dbMeta)
@ -123,7 +127,7 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
_dbName = dbMeta.getDatabaseProductName().toLowerCase();
LOG.debug ("Using database {}",_dbName);
_isLower = dbMeta.storesLowerCaseIdentifiers();
_isUpper = dbMeta.storesUpperCaseIdentifiers();
_isUpper = dbMeta.storesUpperCaseIdentifiers();
}
/**
@ -455,6 +459,7 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
inUse = _sessionIds.contains(clusterId);
}
if (inUse)
return true; //optimisation - if this session is one we've been managing, we can check locally
@ -514,7 +519,8 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
try
{
initializeDatabase();
prepareTables();
prepareTables();
cleanExpiredSessions();
super.doStart();
if (LOG.isDebugEnabled())
LOG.debug("Scavenging interval = "+getScavengeInterval()+" sec");
@ -542,6 +548,7 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
_timer.cancel();
_timer=null;
}
_sessionIds.clear();
super.doStop();
}
@ -559,31 +566,9 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
else
return DriverManager.getConnection(_connectionUrl);
}
private void initializeDatabase ()
throws Exception
{
if (_datasource != null)
return; //already set up
if (_jndiName!=null)
{
InitialContext ic = new InitialContext();
_datasource = (DataSource)ic.lookup(_jndiName);
}
else if ( _driver != null && _connectionUrl != null )
{
DriverManager.registerDriver(_driver);
}
else if (_driverClassName != null && _connectionUrl != null)
{
Class.forName(_driverClassName);
}
else
throw new IllegalStateException("No database configured for sessions");
}
/**
@ -594,7 +579,8 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
throws SQLException
{
_createSessionIdTable = "create table "+_sessionIdTable+" (id varchar(120), primary key(id))";
_selectExpiredSessions = "select * from "+_sessionTable+" where expiryTime >= ? and expiryTime <= ?";
_selectBoundedExpiredSessions = "select * from "+_sessionTable+" where expiryTime >= ? and expiryTime <= ?";
_selectExpiredSessions = "select * from "+_sessionTable+" where expiryTime >0 and expiryTime <= ?";
_deleteOldExpiredSessions = "delete from "+_sessionTable+" where expiryTime >0 and expiryTime <= ?";
_insertId = "insert into "+_sessionIdTable+" (id) values (?)";
@ -794,7 +780,7 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
connection = getConnection();
connection.setAutoCommit(true);
//"select sessionId from JettySessions where expiryTime > (lastScavengeTime - scanInterval) and expiryTime < lastScavengeTime";
PreparedStatement statement = connection.prepareStatement(_selectExpiredSessions);
PreparedStatement statement = connection.prepareStatement(_selectBoundedExpiredSessions);
long lowerBound = (_lastScavengeTime - _scavengeIntervalMs);
long upperBound = _lastScavengeTime;
if (LOG.isDebugEnabled())
@ -833,7 +819,8 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
if (LOG.isDebugEnabled()) LOG.debug("Deleting old expired sessions expired before "+upperBound);
statement = connection.prepareStatement(_deleteOldExpiredSessions);
statement.setLong(1, upperBound);
statement.executeUpdate();
int rows = statement.executeUpdate();
if (LOG.isDebugEnabled()) LOG.debug("Deleted "+rows+" rows");
}
}
}
@ -861,4 +848,121 @@ public class JDBCSessionIdManager extends AbstractSessionIdManager
}
}
}
/**
* Get rid of sessions and sessionids from sessions that have already expired
* @throws Exception
*/
private void cleanExpiredSessions ()
throws Exception
{
Connection connection = null;
List<String> expiredSessionIds = new ArrayList<String>();
try
{
connection = getConnection();
connection.setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);
connection.setAutoCommit(false);
PreparedStatement statement = connection.prepareStatement(_selectExpiredSessions);
long now = System.currentTimeMillis();
if (LOG.isDebugEnabled()) LOG.debug ("Searching for sessions expired before {}", now);
statement.setLong(1, now);
ResultSet result = statement.executeQuery();
while (result.next())
{
String sessionId = result.getString("sessionId");
expiredSessionIds.add(sessionId);
if (LOG.isDebugEnabled()) LOG.debug ("Found expired sessionId={}", sessionId);
}
Statement sessionsTableStatement = null;
Statement sessionIdsTableStatement = null;
if (!expiredSessionIds.isEmpty())
{
sessionsTableStatement = connection.createStatement();
sessionsTableStatement.executeUpdate(createCleanExpiredSessionsSql("delete from "+_sessionTable+" where sessionId in ", expiredSessionIds));
sessionIdsTableStatement = connection.createStatement();
sessionIdsTableStatement.executeUpdate(createCleanExpiredSessionsSql("delete from "+_sessionIdTable+" where id in ", expiredSessionIds));
}
connection.commit();
synchronized (_sessionIds)
{
_sessionIds.removeAll(expiredSessionIds); //in case they were in our local cache of session ids
}
}
catch (Exception e)
{
if (connection != null)
connection.rollback();
throw e;
}
finally
{
try
{
if (connection != null)
connection.close();
}
catch (SQLException e)
{
LOG.warn(e);
}
}
}
/**
*
* @param sql
* @param connection
* @param expiredSessionIds
* @throws Exception
*/
private String createCleanExpiredSessionsSql (String sql,Collection<String> expiredSessionIds)
throws Exception
{
StringBuffer buff = new StringBuffer();
buff.append(sql);
buff.append("(");
Iterator<String> itor = expiredSessionIds.iterator();
while (itor.hasNext())
{
buff.append("'"+(itor.next())+"'");
if (itor.hasNext())
buff.append(",");
}
buff.append(")");
if (LOG.isDebugEnabled()) LOG.debug("Cleaning expired sessions with: {}", buff);
return buff.toString();
}
private void initializeDatabase ()
throws Exception
{
if (_datasource != null)
return; //already set up
if (_jndiName!=null)
{
InitialContext ic = new InitialContext();
_datasource = (DataSource)ic.lookup(_jndiName);
}
else if ( _driver != null && _connectionUrl != null )
{
DriverManager.registerDriver(_driver);
}
else if (_driverClassName != null && _connectionUrl != null)
{
Class.forName(_driverClassName);
}
else
throw new IllegalStateException("No database configured for sessions");
}
}

12
jetty-server/src/main/java/org/eclipse/jetty/server/session/JDBCSessionManager.java
View File

@ -542,7 +542,7 @@ public class JDBCSessionManager extends AbstractSessionManager
//if the session has no expiry, or it is not already expired
if (data._expiryTime <= 0 || data._expiryTime > now)
{
LOG.debug("getSession("+idInCluster+"): lastNode="+data.getLastNode()+" thisNode="+getSessionIdManager().getWorkerName());
if (LOG.isDebugEnabled()) LOG.debug("getSession("+idInCluster+"): lastNode="+data.getLastNode()+" thisNode="+getSessionIdManager().getWorkerName());
data.setLastNode(getSessionIdManager().getWorkerName());
//session last used on a different node, or we don't have it in memory
session = new Session(now,data);
@ -553,18 +553,21 @@ public class JDBCSessionManager extends AbstractSessionManager
updateSessionNode(data);
}
else
if (LOG.isDebugEnabled()) LOG.debug("getSession("+idInCluster+"): Session has expired");
{
LOG.debug("getSession ({}): Session has expired", idInCluster);
}
}
else
if (LOG.isDebugEnabled()) LOG.debug("getSession("+idInCluster+"): Session not stale "+session._data);
LOG.debug("getSession({}): Session not stale {}", idInCluster,session._data);
//session in db shares same id, but is not for this context
}
else
{
//No session in db with matching id and context path.
session=null;
if (LOG.isDebugEnabled()) LOG.debug("getSession("+idInCluster+"): No session in database matching id="+idInCluster);
LOG.debug("getSession({}): No session in database matching id={}",idInCluster,idInCluster);
}
return session;
@ -608,6 +611,7 @@ public class JDBCSessionManager extends AbstractSessionManager
_jdbcSessionIdMgr = (JDBCSessionIdManager)_sessionIdManager;
_sessions = new ConcurrentHashMap<String, AbstractSession>();
super.doStart();
}

53
tests/test-sessions/test-jdbc-sessions/src/test/java/org/eclipse/jetty/server/session/SessionExpiryTest.java Normal file
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@ -0,0 +1,53 @@
//
// ========================================================================
// Copyright (c) 1995-2012 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 org.junit.Test;
/**
* SessionExpiryTest
*
*
*
*/
public class SessionExpiryTest extends AbstractSessionExpiryTest
{
/**
* @see org.eclipse.jetty.server.session.AbstractSessionExpiryTest#createServer(int, int, int)
*/
@Override
public AbstractTestServer createServer(int port, int max, int scavenge)
{
return new JdbcTestServer(port,max,scavenge);
}
@Test
public void testSessionExpiry() throws Exception
{
super.testSessionExpiry();
}
@Test
public void testSessionNotExpired() throws Exception
{
super.testSessionNotExpired();
}
}

210
tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractSessionExpiryTest.java Normal file
View File

@ -0,0 +1,210 @@
//
// ========================================================================
// Copyright (c) 1995-2012 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 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.ContentExchange;
import org.eclipse.jetty.client.HttpClient;
import org.eclipse.jetty.http.HttpMethods;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.SessionManager;
import org.eclipse.jetty.server.session.AbstractTestServer;
import org.eclipse.jetty.servlet.ServletHolder;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* AbstractSessionExpiryTest
*
*
*
*/
public abstract class AbstractSessionExpiryTest
{
public abstract AbstractTestServer createServer(int port, int max, int scavenge);
public void pause(int scavengePeriod)
{
try
{
Thread.sleep(scavengePeriod * 2500L);
}
catch (InterruptedException e)
{
e.printStackTrace();
}
}
@Test
public void testSessionNotExpired() throws Exception
{
String contextPath = "";
String servletMapping = "/server";
int inactivePeriod = 10;
int scavengePeriod = 10;
AbstractTestServer server1 = createServer(0, inactivePeriod, scavengePeriod);
TestServlet servlet = new TestServlet();
ServletHolder holder = new ServletHolder(servlet);
server1.addContext(contextPath).addServlet(holder, servletMapping);
server1.start();
int port1 = server1.getPort();
try
{
HttpClient client = new HttpClient();
client.setConnectorType(HttpClient.CONNECTOR_SOCKET);
client.start();
String url = "http://localhost:" + port1 + contextPath + servletMapping;
//make a request to set up a session on the server
ContentExchange exchange1 = new ContentExchange(true);
exchange1.setMethod(HttpMethods.GET);
exchange1.setURL(url + "?action=init");
client.send(exchange1);
exchange1.waitForDone();
assertEquals(HttpServletResponse.SC_OK,exchange1.getResponseStatus());
String sessionCookie = exchange1.getResponseFields().getStringField("Set-Cookie");
assertTrue(sessionCookie != null);
// Mangle the cookie, replacing Path with $Path, etc.
sessionCookie = sessionCookie.replaceFirst("(\\W)(P|p)ath=", "$1\\$Path=");
//now stop the server
server1.stop();
//start the server again, before the session times out
server1.start();
port1 = server1.getPort();
url = "http://localhost:" + port1 + contextPath + servletMapping;
//make another request, the session should not have expired
ContentExchange exchange2 = new ContentExchange(true);
exchange2.setMethod(HttpMethods.GET);
exchange2.setURL(url + "?action=notexpired");
exchange2.getRequestFields().add("Cookie", sessionCookie);
client.send(exchange2);
exchange2.waitForDone();
assertEquals(HttpServletResponse.SC_OK,exchange2.getResponseStatus());
}
finally
{
server1.stop();
}
}
@Test
public void testSessionExpiry() throws Exception
{
String contextPath = "";
String servletMapping = "/server";
int inactivePeriod = 2;
int scavengePeriod = 10;
AbstractTestServer server1 = createServer(0, inactivePeriod, scavengePeriod);
TestServlet servlet = new TestServlet();
ServletHolder holder = new ServletHolder(servlet);
server1.addContext(contextPath).addServlet(holder, servletMapping);
server1.start();
int port1 = server1.getPort();
try
{
HttpClient client = new HttpClient();
client.setConnectorType(HttpClient.CONNECTOR_SOCKET);
client.start();
String url = "http://localhost:" + port1 + contextPath + servletMapping;
//make a request to set up a session on the server
ContentExchange exchange1 = new ContentExchange(true);
exchange1.setMethod(HttpMethods.GET);
exchange1.setURL(url + "?action=init");
client.send(exchange1);
exchange1.waitForDone();
assertEquals(HttpServletResponse.SC_OK,exchange1.getResponseStatus());
String sessionCookie = exchange1.getResponseFields().getStringField("Set-Cookie");
assertTrue(sessionCookie != null);
// Mangle the cookie, replacing Path with $Path, etc.
sessionCookie = sessionCookie.replaceFirst("(\\W)(P|p)ath=", "$1\\$Path=");
//now stop the server
server1.stop();
//and wait until the expiry time has passed
pause(inactivePeriod);
//restart the server
server1.start();
port1 = server1.getPort();
url = "http://localhost:" + port1 + contextPath + servletMapping;
//make another request, the session should have expired
ContentExchange exchange2 = new ContentExchange(true);
exchange2.setMethod(HttpMethods.GET);
exchange2.setURL(url + "?action=test");
exchange2.getRequestFields().add("Cookie", sessionCookie);
client.send(exchange2);
exchange2.waitForDone();
assertEquals(HttpServletResponse.SC_OK,exchange2.getResponseStatus());
}
finally
{
server1.stop();
}
}
public static class TestServlet extends HttpServlet
{
public String originalId = null;
public String testId = null;
public String checkId = null;
@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");
originalId = session.getId();
}
else if ("test".equals(action))
{
HttpSession session = request.getSession(true);
assertTrue(session != null);
assertTrue(!originalId.equals(session.getId()));
}
else if ("notexpired".equals(action))
{
HttpSession session = request.getSession(false);
assertTrue(session != null);
assertTrue(originalId.equals(session.getId()));
}
}
}
}