Exemple #1
0
static void KprMQTTClientResetKeepAliveTimer(KprMQTTClient self)
{
	FskTimeCallbackRemove(self->pingRequestCallaback);

	if (self->keepAlive > 0) {
		FskTimeRecord when;
		FskTimeGetNow(&when);
		FskTimeAddSecs(&when, self->keepAlive);
		FskTimeCallbackSet(self->pingRequestCallaback, &when, KprMQTTClientIdle, self);
	}

}
Boolean KplTimeCallbackGetNextTime(const KplTime now, KplTime whenNext, void *threadIn)
{
	KplThread thread = threadIn ? threadIn : KplThreadGetCurrent();

	if (thread->timerCallbacks) {
		KplTimeCallback cb = (KplTimeCallback)thread->timerCallbacks;
		if (FskTimeCompare((FskTime)now, (FskTime)&cb->trigger) < 1) {
			FskTimeClear((FskTime)whenNext);
			return false;
		}

		*whenNext = cb->trigger;
	}
	else {
		*whenNext = *now;
		FskTimeAddSecs((FskTime)whenNext, 3600 * 12);	// a long time from now
	}

	return true;
}
Exemple #3
0
static void KprMQTTClientIdle(FskTimeCallBack callback UNUSED, const FskTime time, void *it)
{
	KprMQTTClient self = it;
	FskErr err;
	KprMQTTMessage message = NULL;
	FskTimeRecord when;

	bailIfError(KprMQTTMessageNewWithType(&message, kKprMQTTMessageTypePINGREQ));
	bailIfError(KprMQTTClientSendMessage(self, &message));

	when = *time;
	FskDebugStr("< PING %ld", when.seconds);
	FskTimeAddSecs(&when, self->keepAlive);
	FskTimeCallbackSet(self->pingResponseCallaback, &when, KprMQTTClientCheckPingResponse, self);

bail:
	if (err) {
		KprMQTTClientHandleError(self, err, "sending ping");
	}

	KprMQTTMessageDispose(message);
}
Exemple #4
0
FskErr KprMQTTQueueOutboxPut(KprMQTTQueue self, KprMQTTMessage *it)
{
	KprMQTTMessage message = *it;
	int i;
	double m;

	if (KprMQTTQueueOutboxFind(self, message->messageId) != NULL) return kFskErrDuplicateElement;

	FskTimeGetNow(&message->nextTime);
	m = 1.0;
	for (i = 0; i < message->retryCount; i++) {
		m *= 1.1;
	}
	FskTimeAddSecs(&message->nextTime, self->resendInterval * m);
	message->retryCount += 1;

	FskListAppend(&self->outbox, message);

	KprMQTTQueueReschedule(self);

	*it = NULL;
	return kFskErrNone;
}
Exemple #5
0
static void fxDoConnect(txMachine *the)
{
	if (!FskStrLen(debugAddress)) {
        char *address = FskEnvironmentGet("debugger");
		if (address)
			FskStrCopy(debugAddress, address);
#if TARGET_OS_WIN32 || (TARGET_OS_MAC && !TARGET_OS_IPHONE)
		else
			FskStrCopy(debugAddress, "localhost");
#endif
	}
	if (FskStrLen(debugAddress) && !debugAddressFailed) {
		FskErr err;
		char host[64];
		char* colon;
		int port;
		FskTimeRecord expireTime, now;
		SInt32 waitMS;
		
		colon = FskStrNCopyUntil(host, debugAddress, 63, ':');
		if (*colon)
			port = FskStrToNum(colon);
		else
			port = 5002;
			
#if TARGET_OS_MAC
		waitMS = 0;
#else
		waitMS = -1;
#endif
		// Connect to the host asynchronously
		err = FskNetConnectToHostPrioritized(host, port, false, fxConnectComplete, the, 0, 0, NULL, "fxConnect");
		if (err) goto bail;
		
		// Allow two seconds for the connection to resolve and for the socket to become readable and writable
		FskTimeGetNow(&expireTime);
		FskTimeAddSecs(&expireTime, 2);
		while (!the->connection) {
			FskTimeGetNow(&now);
			if (FskTimeCompare(&expireTime, &now) > 0)
				goto bail;
			FskThreadRunloopCycle(waitMS);
		}
		while (!FskNetSocketIsReadable((FskSocket)the->connection) && !FskNetSocketIsWritable((FskSocket)the->connection)) {
			FskTimeGetNow(&now);
			if (FskTimeCompare(&expireTime, &now) > 0)
				goto bail;
			FskThreadRunloopCycle(waitMS);
		}
		
		// Make the socket blocking
		FskNetSocketMakeBlocking((FskSocket)the->connection);
		return;
		
bail:
		if (the->connection) {
			FskNetSocketClose((FskSocket)the->connection);
			the->connection = 0;
		}
		debugAddressFailed = true;
	}
}