void SessionInitialiser::execute()
{
Scope x( log() );
SessionInitialiserData::State state = d->state;
do {
state = d->state;
switch ( d->state ) {
case SessionInitialiserData::NoTransaction:
findSessions();
if ( d->sessions.isEmpty() ) {
emitUpdates();
d->state = SessionInitialiserData::QueriesDone;
}
else {
grabLock();
d->state = SessionInitialiserData::WaitingForLock;
}
break;
case SessionInitialiserData::SessionInitialiserData::WaitingForLock:
findRecent();
if ( !d->recent || d->recent->done() )
d->state = SessionInitialiserData::HaveUidnext;
break;
case SessionInitialiserData::HaveUidnext:
findMailboxChanges();
d->state = SessionInitialiserData::ReceivingChanges;
break;
case SessionInitialiserData::ReceivingChanges:
recordMailboxChanges();
recordExpunges();
if ( d->messages->done() &&
( !d->expunges || d->expunges->done() ) )
d->state = SessionInitialiserData::Updated;
break;
case SessionInitialiserData::Updated:
releaseLock(); // may change d->state
break;
case SessionInitialiserData::QueriesDone:
break;
}
} while ( state != d->state );
if ( d->t && d->t->failed() ) {
releaseLock();
d->t = 0;
}
// when we come down here, we either have a callback from a query
// or we don't. if we don't, we're done and Allocator will deal
// with the object.
}
ATerm get_sessions_by_moduleid(int cid, ATerm moduleId) {
ATermList sessions = findSessions(moduleId);
return sndValue(ATmake("sessions(<term>)", sessions));
}
