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, ¤t))
{
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;
}
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;
}