status_t
IMAPMailbox::StartWatchingMailbox(sem_id startedSem)
{
atomic_set(&fWatching, 1);
bool firstIDLE = true;
// refresh every 29 min
bigtime_t timeout = 1000 * 1000 * 60 * 29; // 29 min
status_t status;
while (true) {
int32 commandID = NextCommandID();
TRACE("IDLE ...\n");
status = SendCommand("IDLE", commandID);
if (firstIDLE) {
release_sem(startedSem);
firstIDLE = false;
}
if (status != B_OK)
break;
status = HandleResponse(commandID, timeout, false);
ProcessAfterQuacks(kIMAP4ClientTimeout);
if (atomic_get(&fWatching) == 0)
break;
if (status == B_TIMED_OUT) {
TRACE("Renew IDLE connection.\n");
status = SendRawCommand("DONE");
if (status != B_OK)
break;
// handle IDLE response and more
status = ProcessCommand("NOOP");
if (status != B_OK)
break;
else
continue;
}
if (status != B_OK)
break;
}
atomic_set(&fWatching, 0);
return status;
}
status_t
Protocol::ProcessCommand(Command& command, bigtime_t timeout)
{
BString commandString = command.CommandString();
if (commandString.IsEmpty())
return B_BAD_VALUE;
Handler* handler = dynamic_cast<Handler*>(&command);
if (handler != NULL && !AddHandler(*handler))
return B_NO_MEMORY;
int32 commandID = NextCommandID();
status_t status = SendCommand(commandID, commandString.String());
if (status == B_OK) {
fOngoingCommands[commandID] = &command;
status = HandleResponse(&command, timeout);
}
if (handler != NULL)
RemoveHandler(*handler);
return status;
}