IoT_Error_t aws_iot_mqtt_unsubscribe(char *pTopic) {
IoT_Error_t rc = NONE_ERROR;
if(0 != MQTTUnsubscribe(&c, pTopic)) {
rc = UNSUBSCRIBE_ERROR;
}
return rc;
}
int Cpush_unsubscribing(unsigned int clientHandle, unsigned char* topic)
{
if ((0 == clientHandle)||(NULL == topic)) {
return CPUSH_RET_ERROR_PARA;
}
Client* client = (Client*)clientHandle;
int rc = MQTTUnsubscribe(client,(const char*)topic);
if (FAILURE == rc) {
printf("Cpush_unsubscribing fail! ret:%d", rc);
return CPUSH_RET_FAIL;
}
printf("Cpush_unsubscribing OK!");
return CPUSH_RET_OK;
}
static enum cmd_status cmd_mqtt_unsubscribe_exec(char *cmd)
{
uint32_t i;
char *tmp;
int rc;
/* get param */
if ((tmp = cmd_strrchr(cmd, '\"')) == NULL)
return CMD_STATUS_INVALID_ARG;
*tmp = '\0';
if ((tmp = cmd_strchr(cmd, '\"')) == NULL)
return CMD_STATUS_INVALID_ARG;
tmp++;
i = 0;
while (i < MAX_SUB_TOPICS) {
if ((sub_topic[i] != NULL) && (!cmd_memcmp(sub_topic[i], tmp, cmd_strlen(tmp) + 1)))
break;
i++;
}
if (OS_MutexLock(&lock, 60000) == OS_E_TIMEOUT)
return CMD_STATUS_FAIL;
if ((rc = MQTTUnsubscribe(&client, tmp/*sub_topic[i]*/)) != 0) {
CMD_ERR("Return code from MQTT unsubscribe is %d\n", rc);
return CMD_STATUS_FAIL;
}
if (i == MAX_SUB_TOPICS)
CMD_WRN("Unsubscribe topics is inexist\n");
else {
cmd_free(sub_topic[i]);
sub_topic[i] = NULL;
}
OS_MutexUnlock(&lock);
return CMD_STATUS_OK;
}
