public void notifyElementExpired(Ehcache cache, Element element) {
JRadiusSession session = (JRadiusSession) element.getValue();
RadiusLog.debug("Expired session: " + session.getSessionKey());
if (JRadiusServer.getEventDispatcher() != null) {
SessionExpiredEvent evt = new SessionExpiredEvent(session);
evt.setApplicationContext(applicationContext);
JRadiusServer.getEventDispatcher().post(evt);
}
}
public synchronized JRadiusSession newSession(JRadiusRequest request, Object key)
throws RadiusException {
JRadiusSession session =
(JRadiusSession) getSessionFactory(request.getSender()).newSession(request);
session.setJRadiusKey((String) key);
put(session.getJRadiusKey(), session);
put(session.getSessionKey(), session);
lock(session);
return session;
}
private synchronized void release(JRadiusSession session) {
String thisThread = Thread.currentThread().getName();
String sessionToUnlock = session.getSessionKey();
String sessionOwner = (String) locks.get(sessionToUnlock);
if (sessionOwner != null) {
if (sessionOwner.equals(thisThread)) {
locks.remove(sessionToUnlock);
RadiusLog.debug("Release: Thread " + thisThread + " unlocking session " + sessionToUnlock);
} else {
RadiusLog.error(
"Releasing session lock not owned by this thread (owner="
+ sessionOwner
+ ",this="
+ thisThread
+ ")");
}
}
notifyAll();
}
private synchronized void lock(JRadiusSession session) {
String thisThread = Thread.currentThread().getName();
String sessionToLock = session.getSessionKey();
String sessionOwner = null;
while (true) {
sessionOwner = (String) locks.get(sessionToLock);
if (sessionOwner == null) {
locks.put(sessionToLock, thisThread);
RadiusLog.debug("Lock: Thread " + thisThread + " locked session " + sessionToLock);
break;
} else if (sessionOwner.equals(thisThread)) {
break;
} else {
try {
wait();
} catch (InterruptedException ex) {
}
}
}
}
public synchronized JRadiusSession getSession(JRadiusRequest request, Serializable key)
throws RadiusException {
Element element = sessionCache.get(key);
JRadiusSession session = null;
if (element != null) session = (JRadiusSession) element.getValue();
if (session == null && request != null) {
SessionFactory sf = getSessionFactory(request.getSender());
session = sf.getSession(request, key);
if (session != null) {
put(session.getJRadiusKey(), session);
put(session.getSessionKey(), session);
}
}
if (session == null) return null;
lock(session);
return session;
}
public synchronized void removeSession(JRadiusSession session) {
if (session != null) {
remove(session.getJRadiusKey());
remove(session.getSessionKey());
}
}
/**
* Returns a session object. First, a key is generated by the session manager's key provider,
* based on the JRadiusRequest. If there is a stored session based on the key, this session is
* returned, otherwise a new session created by the session factory is returned
*
* @param request a JRadiusRequest used to retrieve or generate a session with
* @return Returns a RadiusSession
* @throws RadiusException
*/
public JRadiusSession getSession(JRadiusRequest request) throws RadiusException {
SessionKeyProvider skp = getSessionKeyProvider(request.getSender());
Serializable key = skp.getAppSessionKey(request);
JRadiusSession session = null;
Serializable nkey = null;
if (key != null) {
RadiusLog.debug("** Looking for session: " + key);
session = getSession(request, key);
if (session == null) {
RadiusLog.error("Broken JRadius-Session-Id implementation for session: " + key);
key = null;
}
}
if (key == null) {
key = skp.getClassKey(request);
if (key != null) {
RadiusLog.debug("** Looking for session: " + key);
session = getSession(request, key);
if (session == null) {
RadiusLog.error("Broken Class implementation for session: " + key);
key = null;
} else {
if (session.getJRadiusKey() != null
&& !session.getJRadiusKey().equals(session.getSessionKey())) {
rehashSession(session, session.getJRadiusKey(), key);
}
}
}
}
if (key == null) {
Serializable keys = skp.getRequestSessionKey(request);
if (keys == null) {
return null;
}
if (keys instanceof Serializable[]) {
key = ((Serializable[]) (keys))[0];
nkey = ((Serializable[]) (keys))[1];
RadiusLog.debug("Rehashing session with key " + key + " under new key " + nkey);
} else {
key = keys;
}
RadiusLog.debug("** Looking for session: " + key);
session = getSession(request, key);
if (session != null && nkey != null && !nkey.equals(key)) {
rehashSession(session, key, nkey);
}
}
if (session == null) {
session = newSession(request, nkey == null ? key : nkey);
} else {
session.setNewSession(false);
}
session.setTimeStamp(System.currentTimeMillis());
session.setLastRadiusRequest(request);
return session;
}