Beispiel #1
0
int MQTTClient_subscribeMany(MQTTClient handle, int count, char* const* topic, int* qos)
{
	MQTTClients* m = handle;
	List* topics = ListInitialize();
	List* qoss = ListInitialize();
	int i = 0;
	int rc = MQTTCLIENT_FAILURE;
	int msgid = 0;

	FUNC_ENTRY;
	Thread_lock_mutex(mqttclient_mutex);

	if (m == NULL || m->c == NULL)
	{
		rc = MQTTCLIENT_FAILURE;
		goto exit;
	}
	if (m->c->connected == 0)
	{
		rc = MQTTCLIENT_DISCONNECTED;
		goto exit;
	}
	for (i = 0; i < count; i++)
	{
		if (!UTF8_validateString(topic[i]))
		{
			rc = MQTTCLIENT_BAD_UTF8_STRING;
			goto exit;
		}
		
		if(qos[i] < 0 || qos[i] > 2)
		{
			rc = MQTTCLIENT_BAD_QOS;
			goto exit;
		}
	}
	if ((msgid = MQTTProtocol_assignMsgId(m->c)) == 0)
	{
		rc = MQTTCLIENT_MAX_MESSAGES_INFLIGHT;
		goto exit;
	}

	for (i = 0; i < count; i++)
	{
		ListAppend(topics, topic[i], strlen(topic[i]));
		ListAppend(qoss, &qos[i], sizeof(int));
	}

	rc = MQTTProtocol_subscribe(m->c, topics, qoss, msgid);
	ListFreeNoContent(topics);
	ListFreeNoContent(qoss);

	if (rc == TCPSOCKET_COMPLETE)
	{
		MQTTPacket* pack = NULL;

		Thread_unlock_mutex(mqttclient_mutex);
		pack = MQTTClient_waitfor(handle, SUBACK, &rc, 10000L);
		Thread_lock_mutex(mqttclient_mutex);
		if (pack != NULL)
		{
			Suback* sub = (Suback*)pack;	
			ListElement* current = NULL;
			i = 0;
			while (ListNextElement(sub->qoss, &current))
			{
				int* reqqos = (int*)(current->content);
				qos[i++] = *reqqos;
			}	
			rc = MQTTProtocol_handleSubacks(pack, m->c->net.socket);
			m->pack = NULL;
		}
		else
			rc = SOCKET_ERROR;
	}

	if (rc == SOCKET_ERROR)
	{
		Thread_unlock_mutex(mqttclient_mutex);
		MQTTClient_disconnect_internal(handle, 0);
		Thread_lock_mutex(mqttclient_mutex);
	}
	else if (rc == TCPSOCKET_COMPLETE)
		rc = MQTTCLIENT_SUCCESS;

exit:
	Thread_unlock_mutex(mqttclient_mutex);
	FUNC_EXIT_RC(rc);
	return rc;
}
Beispiel #2
0
int MQTTClient_subscribeMany(MQTTClient handle, int count, char** topic, int* qos)
{
	MQTTClients* m = handle;
	List* topics = ListInitialize();
	List* qoss = ListInitialize();
	int i = 0;
	int rc = MQTTCLIENT_FAILURE;

	FUNC_ENTRY;
	Thread_lock_mutex(mqttclient_mutex);

	if (m == NULL || m->c == NULL)
	{
		rc = MQTTCLIENT_FAILURE;
		goto exit;
	}
	if (m->c->connected == 0)
	{
		rc = MQTTCLIENT_DISCONNECTED;
		goto exit;
	}
	for (i = 0; i < count; i++)
	{
		if (!UTF8_validateString(topic[i]))
		{
			rc = MQTTCLIENT_BAD_UTF8_STRING;
			goto exit;
		}
	}

	for (i = 0; i < count; i++)
	{
		ListAppend(topics, topic[i], strlen(topic[i]));
		ListAppend(qoss, &qos[i], sizeof(int));
	}
	rc = MQTTProtocol_subscribe(m->c, topics, qoss);
	ListFreeNoContent(topics);
	ListFreeNoContent(qoss);

	if (rc == TCPSOCKET_COMPLETE)
	{
		MQTTPacket* pack = NULL;

		Thread_unlock_mutex(mqttclient_mutex);
		pack = MQTTClient_waitfor(handle, SUBACK, &rc, 10000L);
		Thread_lock_mutex(mqttclient_mutex);
		if (pack != NULL)
		{
			rc = MQTTProtocol_handleSubacks(pack, m->c->socket);
			m->pack = NULL;
		}
		else
			rc = SOCKET_ERROR;
	}

	if (rc == SOCKET_ERROR)
	{
		Thread_unlock_mutex(mqttclient_mutex);
		MQTTClient_disconnect_internal(handle, 0);
		Thread_lock_mutex(mqttclient_mutex);
	}
	else if (rc == TCPSOCKET_COMPLETE)
		rc = MQTTCLIENT_SUCCESS;

exit:
	Thread_unlock_mutex(mqttclient_mutex);
	FUNC_EXIT_RC(rc);
	return rc;
}