int mqtt_unsubscribe(const char* topic)
{
if(!mqtt_ready())
return -1;
printf("sending unsubscribe\n");
mqtt_state.outbound_message = mqtt_msg_unsubscribe(&mqtt_state.mqtt_connection, topic,
&mqtt_state.pending_msg_id);
mqtt_flags &= ~MQTT_FLAG_READY;
mqtt_state.pending_msg_type = MQTT_MSG_TYPE_UNSUBSCRIBE;
tcpip_poll_tcp(mqtt_state.tcp_connection);
return 0;
}
/**
* @brief MQTT un-subscibe function.
* @param client: MQTT_Client reference
* @param topic: String topic will un-subscribe
* @retval TRUE if success queue
*/
BOOL ICACHE_FLASH_ATTR MQTT_UnSubscribe(MQTT_Client * client, char *topic) {
uint8_t dataBuffer[MQTT_BUF_SIZE];
uint16_t dataLen;
client->mqtt_state.outbound_message = mqtt_msg_unsubscribe(&client->mqtt_state.mqtt_connection,
topic, &client->mqtt_state.pending_msg_id);
MQTT_INFO("MQTT: queue un-subscribe, topic\"%s\", id: %d\r\n", topic, client->mqtt_state.pending_msg_id);
while (QUEUE_Puts
(&client->msgQueue, client->mqtt_state.outbound_message->data,
client->mqtt_state.outbound_message->length) == -1) {
MQTT_INFO("MQTT: Queue full\r\n");
if (QUEUE_Gets(&client->msgQueue, dataBuffer, &dataLen, MQTT_BUF_SIZE) == -1) {
MQTT_INFO("MQTT: Serious buffer error\r\n");
return FALSE;
}
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t) client);
return TRUE;
}