protected ModelAndView handleRequestInternal(
HttpServletRequest request, HttpServletResponse response) throws Exception {
String[] sidWebApps = ServletRequestUtils.getStringParameters(request, "sid_webapp");
for (int i = 0; i < sidWebApps.length; i++) {
if (sidWebApps[i] != null) {
String[] ss = sidWebApps[i].split(";");
if (ss.length == 2) {
String sessionId = ss[0];
String appName = ss[1];
Context context = getContainerWrapper().getTomcatContainer().findContext(appName);
if (context != null) {
Manager manager = context.getManager();
Session session = manager.findSession(sessionId);
if (session != null && session.isValid()) {
session.expire();
}
} else {
return new ModelAndView("errors/paramerror");
}
} else {
return new ModelAndView("errors/paramerror");
}
}
}
return new ModelAndView(new InternalResourceView(getViewName()));
}
/**
* Returns true if the request specifies a JSESSIONID that is valid within the context of this
* ApplicationHttpRequest, false otherwise.
*
* @return true if the request specifies a JSESSIONID that is valid within the context of this
* ApplicationHttpRequest, false otherwise.
*/
public boolean isRequestedSessionIdValid() {
if (crossContext) {
String requestedSessionId = getRequestedSessionId();
if (requestedSessionId == null) return (false);
if (context == null) return (false);
Manager manager = context.getManager();
if (manager == null) return (false);
Session session = null;
try {
session = manager.findSession(requestedSessionId);
} catch (IOException e) {
session = null;
}
if ((session != null) && session.isValid()) {
return (true);
} else {
return (false);
}
} else {
return super.isRequestedSessionIdValid();
}
}
/**
* Return the session associated with this Request, creating one if necessary and requested.
*
* @param create Create a new session if one does not exist
*/
public HttpSession getSession(boolean create) {
if (crossContext) {
// There cannot be a session if no context has been assigned yet
if (context == null) return (null);
// Return the current session if it exists and is valid
if (session != null && session.isValid()) {
return (session.getSession());
}
HttpSession other = super.getSession(false);
if (create && (other == null)) {
// First create a session in the first context: the problem is
// that the top level request is the only one which can
// create the cookie safely
other = super.getSession(true);
}
if (other != null) {
Session localSession = null;
try {
localSession = context.getManager().findSession(other.getId());
if (localSession != null && !localSession.isValid()) {
localSession = null;
}
} catch (IOException e) {
// Ignore
}
if (localSession == null && create) {
localSession = context.getManager().createSession(other.getId());
}
if (localSession != null) {
localSession.access();
session = localSession;
return session.getSession();
}
}
return null;
} else {
return super.getSession(create);
}
}
public static ApplicationSession getApplicationSession(
Session session, boolean calcSize, boolean addAttributes) {
ApplicationSession sbean = null;
if (session != null && session.isValid()) {
sbean = new ApplicationSession();
sbean.setId(session.getId());
sbean.setCreationTime(new Date(session.getCreationTime()));
sbean.setLastAccessTime(new Date(session.getLastAccessedTime()));
sbean.setMaxIdleTime(session.getMaxInactiveInterval() * 1000);
sbean.setManagerType(session.getManager().getClass().getName());
// sbean.setInfo(session.getInfo());
// TODO:fixmee
boolean sessionSerializable = true;
int attributeCount = 0;
long size = 0;
HttpSession httpSession = session.getSession();
Set processedObjects = new HashSet(1000);
// Exclude references back to the session itself
processedObjects.add(httpSession);
try {
for (Enumeration e = httpSession.getAttributeNames(); e.hasMoreElements(); ) {
String name = (String) e.nextElement();
Object obj = httpSession.getAttribute(name);
sessionSerializable = sessionSerializable && obj instanceof Serializable;
long objSize = 0;
if (calcSize) {
try {
objSize += Instruments.sizeOf(name, processedObjects);
objSize += Instruments.sizeOf(obj, processedObjects);
} catch (Throwable th) {
logger.error("Cannot estimate size of attribute \"" + name + "\"", th);
//
// make sure we always re-throw ThreadDeath
//
if (e instanceof ThreadDeath) {
throw (ThreadDeath) e;
}
}
}
if (addAttributes) {
Attribute saBean = new Attribute();
saBean.setName(name);
saBean.setType(ClassUtils.getQualifiedName(obj.getClass()));
saBean.setValue(obj);
saBean.setSize(objSize);
saBean.setSerializable(obj instanceof Serializable);
sbean.addAttribute(saBean);
}
attributeCount++;
size += objSize;
}
String lastAccessedIp =
(String) httpSession.getAttribute(ApplicationSession.LAST_ACCESSED_BY_IP);
if (lastAccessedIp != null) {
sbean.setLastAccessedIp(lastAccessedIp);
}
try {
sbean.setLastAccessedIpLocale(
InetAddressLocator.getLocale(InetAddress.getByName(lastAccessedIp).getAddress()));
} catch (Throwable e) {
logger.error("Cannot determine Locale of " + lastAccessedIp);
//
// make sure we always re-throw ThreadDeath
//
if (e instanceof ThreadDeath) {
throw (ThreadDeath) e;
}
}
} catch (IllegalStateException e) {
logger.info("Session appears to be invalidated, ignore");
}
sbean.setObjectCount(attributeCount);
sbean.setSize(size);
sbean.setSerializable(sessionSerializable);
}
return sbean;
}
/**
* This method is called by the received thread when a SessionMessage has been received from one
* of the other nodes in the cluster.
*
* @param msg - the message received
* @param sender - the sender of the message, this is used if we receive a EVT_GET_ALL_SESSION
* message, so that we only reply to the requesting node
*/
protected void messageReceived(SessionMessage msg, Member sender) {
try {
if (log.isInfoEnabled()) {
log.debug("Received SessionMessage of type=" + msg.getEventTypeString());
log.debug("Received SessionMessage sender=" + sender);
}
switch (msg.getEventType()) {
case SessionMessage.EVT_GET_ALL_SESSIONS:
{
// get a list of all the session from this manager
Object[] sessions = findSessions();
java.io.ByteArrayOutputStream bout = new java.io.ByteArrayOutputStream();
java.io.ObjectOutputStream oout = new java.io.ObjectOutputStream(bout);
oout.writeInt(sessions.length);
for (int i = 0; i < sessions.length; i++) {
ReplicatedSession ses = (ReplicatedSession) sessions[i];
oout.writeUTF(ses.getIdInternal());
byte[] data = writeSession(ses);
oout.writeObject(data);
} // for
// don't send a message if we don't have to
oout.flush();
oout.close();
byte[] data = bout.toByteArray();
SessionMessage newmsg =
new SessionMessageImpl(
name,
SessionMessage.EVT_ALL_SESSION_DATA,
data,
"SESSION-STATE",
"SESSION-STATE-" + getName());
cluster.send(newmsg, sender);
break;
}
case SessionMessage.EVT_ALL_SESSION_DATA:
{
java.io.ByteArrayInputStream bin = new java.io.ByteArrayInputStream(msg.getSession());
java.io.ObjectInputStream oin = new java.io.ObjectInputStream(bin);
int size = oin.readInt();
for (int i = 0; i < size; i++) {
String id = oin.readUTF();
byte[] data = (byte[]) oin.readObject();
Session session = readSession(data, id);
} // for
stateTransferred = true;
break;
}
case SessionMessage.EVT_SESSION_CREATED:
{
Session session = this.readSession(msg.getSession(), msg.getSessionID());
if (log.isDebugEnabled()) {
log.debug("Received replicated session=" + session + " isValid=" + session.isValid());
}
break;
}
case SessionMessage.EVT_SESSION_EXPIRED:
{
Session session = findSession(msg.getSessionID());
if (session != null) {
session.expire();
this.remove(session);
} // end if
break;
}
case SessionMessage.EVT_SESSION_ACCESSED:
{
Session session = findSession(msg.getSessionID());
if (session != null) {
session.access();
session.endAccess();
}
break;
}
default:
{
// we didn't recognize the message type, do nothing
break;
}
} // switch
} catch (Exception x) {
log.error("Unable to receive message through TCP channel", x);
}
}
/**
* Save a session to the Store.
*
* @param session the session to be stored
* @exception IOException if an input/output error occurs
*/
public void save(Session session) throws IOException {
String saveSql =
"INSERT INTO "
+ sessionTable
+ " ("
+ sessionIdCol
+ ", "
+ sessionAppCol
+ ", "
+ sessionDataCol
+ ", "
+ sessionValidCol
+ ", "
+ sessionMaxInactiveCol
+ ", "
+ sessionLastAccessedCol
+ ") VALUES (?, ?, ?, ?, ?, ?)";
ObjectOutputStream oos = null;
ByteArrayOutputStream bos = null;
ByteArrayInputStream bis = null;
InputStream in = null;
synchronized (this) {
Connection _conn = getConnection();
if (_conn == null) {
return;
}
// If sessions already exist in DB, remove and insert again.
// TODO:
// * Check if ID exists in database and if so use UPDATE.
remove(session.getId());
try {
bos = new ByteArrayOutputStream();
oos = new ObjectOutputStream(new BufferedOutputStream(bos));
((StandardSession) session).writeObjectData(oos);
oos.close();
byte[] obs = bos.toByteArray();
int size = obs.length;
bis = new ByteArrayInputStream(obs, 0, size);
in = new BufferedInputStream(bis, size);
if (preparedSaveSql == null) {
preparedSaveSql = _conn.prepareStatement(saveSql);
}
preparedSaveSql.setString(1, session.getId());
preparedSaveSql.setString(2, getName());
preparedSaveSql.setBinaryStream(3, in, size);
preparedSaveSql.setString(4, session.isValid() ? "1" : "0");
preparedSaveSql.setInt(5, session.getMaxInactiveInterval());
preparedSaveSql.setLong(6, session.getLastAccessedTime());
preparedSaveSql.execute();
} catch (SQLException e) {
log(sm.getString(getStoreName() + ".SQLException", e));
} catch (IOException e) {;
} finally {
if (bis != null) {
bis.close();
}
if (in != null) {
in.close();
}
release(_conn);
}
}
if (debug > 0) {
log(sm.getString(getStoreName() + ".saving", session.getId(), sessionTable));
}
}
