JSBool JavaObject::setProperty(JSContext* ctx, JSObject* obj, jsid id,
JSBool strict, jsval* vp) {
#endif //GECKO_VERSION
Debug::log(Debug::Spam) << "JavaObject::setProperty obj=" << obj << Debug::flush;
if (!JSID_IS_INT(id)) {
Debug::log(Debug::Error) << " Error: setting string property id" << Debug::flush;
// TODO: throw a better exception here
return JS_FALSE;
}
SessionData* data = JavaObject::getSessionData(ctx, obj);
if (!data) {
return JS_TRUE;
}
int objectRef = JavaObject::getObjectId(ctx, obj);
int dispId = JSID_TO_INT(id);
Value value;
data->makeValueFromJsval(value, ctx, *vp);
HostChannel* channel = data->getHostChannel();
SessionHandler* handler = data->getSessionHandler();
if (!ServerMethods::setProperty(*channel, handler, objectRef, dispId, value)) {
// TODO: throw a better exception here
return JS_FALSE;
}
return JS_TRUE;
}
void JavaObject::finalize(JSContext* ctx, JSObject* obj) {
Debug::log(Debug::Spam) << "JavaObject::finalize obj=" << obj
<< " objId=" << JavaObject::getObjectId(ctx, obj) << Debug::flush;
SessionData* data = JavaObject::getSessionData(ctx, obj);
if (data) {
int objectId = JavaObject::getObjectId(ctx, obj);
data->freeJavaObject(objectId);
JS_SetPrivate(ctx, obj, NULL);
}
}
void JavaObject::finalize(JSFreeOp* fop, JSObject* obj) {
// In general use of JS_GetPrivate is not safe but it is OK in the finalizer
// according to:
// https://developer.mozilla.org/en/SpiderMonkey/JSAPI_Reference/JS_GetPrivate
// We will not be using getSession for that reason.
SessionData * data = static_cast<SessionData*>(JS_GetPrivate(obj));
if (data) {
jsval val = JS_GetReservedSlot(obj, 0);
int objectId = JSVAL_TO_INT(val);
data->freeJavaObject(objectId);
MOZ_JS_SetPrivate(/** Post-FF13 requires no ctx anyways*/ NULL, obj, NULL);
}
}
// release all the sessions associated with this token
bool SessionManager::releaseSessions( uint32 token )
{
m_mtx.lock();
// do we have the session?
SessionUserMap::iterator pos = m_susers.find( token );
if( pos != m_susers.end() )
{
// copy the list of sessions to be closed, so that we can work on it.
SessionList lCopy = pos->second;
m_susers.erase( pos );
m_mtx.unlock();
SessionList::iterator iter = lCopy.begin();
while( iter != lCopy.end() )
{
SessionData::WeakRef* wsd = *iter;
SessionData* sd = wsd->get();
// Still a valid reference?
if( sd != 0 )
{
// store on persistent media
sd->store();
// mark as used now
sd->touch();
// make available for other requests
m_mtx.lock();
if( timeout() > 0 )
{
m_expmap.insert( ExpirationMap::value_type( sd->lastTouched() + timeout(), sd->getWeakRef() ) );
}
sd->release();
m_mtx.unlock();
}
wsd->dropped();
++iter;
}
}
else
{
m_mtx.unlock();
}
return true;
}
JSBool JavaObject::getProperty(JSContext* ctx, JSObject* obj, jsid id,
jsval* rval) {
Debug::log(Debug::Spam) << "JavaObject::getProperty obj=" << obj << Debug::flush;
SessionData* data = JavaObject::getSessionData(ctx, obj);
if (!data) {
// TODO: replace the frame with an error page instead?
*rval = JSVAL_VOID;
return JS_TRUE;
}
int objectRef = JavaObject::getObjectId(ctx, obj);
if (JSID_IS_STRING(id)) {
JSString* str = JSID_TO_STRING(id);
if ((JS_GetStringEncodingLength(ctx, str) == 8) && !strncmp("toString",
JS_EncodeString(ctx, str), 8)) {
*rval = data->getToStringTearOff();
return JS_TRUE;
}
if ((JS_GetStringEncodingLength(ctx, str) == 2) && !strncmp("id",
JS_EncodeString(ctx, str), 2)) {
*rval = INT_TO_JSVAL(objectRef);
return JS_TRUE;
}
if ((JS_GetStringEncodingLength(ctx, str) == 16) && !strncmp("__noSuchMethod__",
JS_EncodeString(ctx, str), 16)) {
// Avoid error spew if we are disconnected
*rval = JSVAL_VOID;
return JS_TRUE;
}
// TODO: dumpJsVal can no longer handle this case
//Debug::log(Debug::Error) << "Getting unexpected string property "
// << dumpJsVal(ctx, id) << Debug::flush;
// TODO: throw a better exception here
return JS_FALSE;
}
if (!JSID_IS_INT(id)) {
// TODO: dumpJsVal can no longer handle this case
//Debug::log(Debug::Error) << "Getting non-int/non-string property "
// << dumpJsVal(ctx, id) << Debug::flush;
// TODO: throw a better exception here
return JS_FALSE;
}
int dispId = JSID_TO_INT(id);
HostChannel* channel = data->getHostChannel();
SessionHandler* handler = data->getSessionHandler();
gwt::Value value = ServerMethods::getProperty(*channel, handler, objectRef, dispId);
data->makeJsvalFromValue(*rval, ctx, value);
return JS_TRUE;
}
SessionData* SessionManager::startSession( uint32 token )
{
SessionData* sd = 0;
Falcon::String sSID;
// No one can possibly use this SD as no one can know it.
sd = createUniqueId( sSID );
m_mtx.lock();
m_susers[token].push_back( sd->getWeakRef() );
// assign the session
sd->assign( token );
m_mtx.unlock();
return sd;
}
/**
* Called when the JavaObject is invoked as a function.
* We ignore the JSObject* argument, which is the 'this' context, which is
* usually the window object. The JavaObject instance is in argv[-2].
*
* Returns a JS array, with the first element being a boolean indicating that
* an exception occured, and the second element is either the return value or
* the exception which was thrown. In this case, we always return false and
* raise the exception ourselves.
*/
JSBool JavaObject::call(JSContext* ctx, JSObject*, uintN argc, jsval* argv,
jsval* rval) {
// Get the JavaObject called as a function
JSObject* obj = JSVAL_TO_OBJECT(argv[-2]);
if (argc < 2 || !JSVAL_IS_INT(argv[0]) ||
#ifdef JSVAL_IS_OBJECT
!JSVAL_IS_OBJECT(argv[1])) {
#else
(JSVAL_IS_PRIMITIVE(argv[1]) && !JSVAL_IS_NULL(argv[1]))) {
#endif
Debug::log(Debug::Error) << "JavaObject::call incorrect arguments" << Debug::flush;
return JS_FALSE;
}
int dispId = JSVAL_TO_INT(argv[0]);
if (Debug::level(Debug::Spam)) {
Debug::DebugStream& dbg = Debug::log(Debug::Spam) << "JavaObject::call oid="
<< JavaObject::getObjectId(ctx, obj) << ",dispId=" << dispId << " (";
for (unsigned i = 2; i < argc; ++i) {
if (i > 2) {
dbg << ", ";
}
dbg << dumpJsVal(ctx, argv[i]);
}
dbg << ")" << Debug::flush;
}
SessionData* data = JavaObject::getSessionData(ctx, obj);
if (!data) {
*rval = JSVAL_VOID;
return JS_TRUE;
}
Debug::log(Debug::Spam) << "Data = " << data << Debug::flush;
gwt::Value javaThis;
if (!JSVAL_IS_NULL(argv[1])) {
JSObject* thisObj = JSVAL_TO_OBJECT(argv[1]);
if (isJavaObject(ctx, thisObj)) {
javaThis.setJavaObject(getObjectId(ctx, thisObj));
} else {
data->makeValueFromJsval(javaThis, ctx, argv[1]);
}
} else {
int oid = getObjectId(ctx, obj);
javaThis.setJavaObject(oid);
}
return invokeJava(ctx, data, javaThis, dispId, argc - 2, &argv[2], rval);
}
SessionData* SessionManager::startSession( uint32 token, const Falcon::String &sSID )
{
SessionData* sd = 0;
m_mtx.lock();
if ( m_smap.find( sSID ) == m_smap.end() )
{
sd = createSession(sSID);
m_smap[ sSID ] = sd;
m_susers[token].push_back( sd->getWeakRef() );
// assign the session
sd->assign( token );
}
m_mtx.unlock();
// else, it's still 0
return sd;
}
void AuthSession::process(const SessionData &sessionData,
const QString &mechanism)
{
m_mechanism = mechanism;
m_sessionData = sessionData.toMap();
m_sessionData.insert("credentialsId", m_id);
responseTimer.start();
}
bool SessionManager::closeSession( const String& sSID, uint32 token )
{
m_mtx.lock();
SessionMap::iterator iter = m_smap.find( sSID );
if( iter != m_smap.end() )
{
SessionData* sd = iter->second;
m_smap.erase( sSID );
sd->clearRefs();
m_mtx.unlock();
sd->dispose();
delete sd;
return true;
}
m_mtx.unlock();
return false;
}
void SessionManager::expireOldSessions()
{
numeric now = Sys::_seconds();
std::deque<SessionData*> expiredSessions;
m_mtx.lock();
while( ! m_expmap.empty() && m_expmap.begin()->first < now )
{
SessionData::WeakRef* wsd = m_expmap.begin()->second;
SessionData* sd = wsd->get();
// Is the session still alive?
if ( sd != 0 && sd->lastTouched() + timeout() < now )
{
// the data is dead, so we remove it now from the available map
m_smap.erase( sd->sID() );
// prevents others (and ourselves) to use it again
sd->clearRefs();
// and we push it aside for later clearing
expiredSessions.push_back( sd );
}
// also, take it away from our expired data
m_expmap.erase( m_expmap.begin() );
}
m_mtx.unlock();
// now we can destroy the expired sessions
std::deque<SessionData*>::iterator elem = expiredSessions.begin();
while( elem != expiredSessions.end() )
{
SessionData* sd = *elem;
sd->dispose();
delete sd;
++elem;
}
}
SessionData* SessionManager::getSession( const Falcon::String& sSID, uint32 token )
{
SessionData* sd = 0;
bool bCreated;
// Should we start a new thread for this?
if( timeout() > 0 )
expireOldSessions();
m_mtx.lock();
SessionMap::iterator iter = m_smap.find( sSID );
if( iter != m_smap.end() )
{
sd = iter->second;
if ( sd == 0 || sd->isAssigned() )
{
m_mtx.unlock();
return 0;
}
sd->assign( token );
// We must manipulate m_susers in the lock to prevent concurrent update
// from other threads.
m_susers[token].push_back( sd->getWeakRef() );
// now that the session is assigned, we are free to manipulate it outside the lock.
m_mtx.unlock();
bCreated = false;
}
else
{
// create the session (fast)
sd = createSession( sSID );
// assign to our maps
m_smap[sSID] = sd;
m_susers[token].push_back( sd->getWeakRef() );
// assign the session
sd->assign( token );
// try to resume after unlock
m_mtx.unlock();
bCreated = true;
}
// can we resume this session?
if( ! sd->resume() )
{
// all useless work.
m_mtx.lock();
m_smap.erase( sSID );
sd->clearRefs();
m_mtx.unlock();
//If the session was created, we should have done it.
if( ! bCreated )
{
sd->setInvalid();
}
else
{
delete sd;
sd = 0;
}
}
return sd;
}
