static int send_mqtt_message(PROV_TRANSPORT_MQTT_INFO* mqtt_info, const char* msg_topic)
{
int result;
MQTT_MESSAGE_HANDLE msg_handle = NULL;
if ((msg_handle = mqttmessage_create(get_next_packet_id(mqtt_info), msg_topic, DELIVER_AT_MOST_ONCE, NULL, 0)) == NULL)
{
LogError("Failed creating mqtt message");
result = __FAILURE__;
}
else
{
if (mqtt_client_publish(mqtt_info->mqtt_client, msg_handle) != 0)
{
LogError("Failed publishing client message");
result = __FAILURE__;
}
else
{
result = 0;
}
mqttmessage_destroy(msg_handle);
}
return result;
}
static int publishMqttMessage(PMQTTTRANSPORT_HANDLE_DATA transportState, MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry, const unsigned char* payload, size_t len)
{
int result;
MQTT_MESSAGE_HANDLE mqttMsg = mqttmessage_create(transportState->packetId++, STRING_c_str(transportState->mqttEventTopic), DELIVER_AT_LEAST_ONCE, payload, len);
if (mqttMsg == NULL)
{
result = __LINE__;
}
else
{
if (mqtt_client_publish(transportState->mqttClient, mqttMsg) != 0)
{
result = __LINE__;
}
else
{
mqttMsgEntry->retryCount++;
(void)tickcounter_get_current_ms(g_msgTickCounter, &mqttMsgEntry->msgPublishTime);
result = 0;
}
mqttmessage_destroy(mqttMsg);
}
return result;
}
static void OnOperationComplete(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_RESULT actionResult, const void* msgInfo, void* callbackCtx)
{
(void)callbackCtx;
switch (actionResult)
{
case MQTT_CLIENT_ON_CONNACK:
{
PrintLogFunction(LOG_LINE, "ConnAck function called");
const CONNECT_ACK* connack = (CONNECT_ACK*)msgInfo;
SUBSCRIBE_PAYLOAD subscribe[] = {
{ TOPIC_NAME_A, DELIVER_AT_MOST_ONCE },
{ TOPIC_NAME_B, DELIVER_EXACTLY_ONCE },
};
if (mqtt_client_subscribe(handle, PACKET_ID_VALUE++, subscribe, sizeof(subscribe) / sizeof(subscribe[0])) != 0)
{
PrintLogFunction(LOG_LINE, "%d: mqtt_client_subscribe failed", __LINE__);
g_continue = false;
}
break;
}
case MQTT_CLIENT_ON_SUBSCRIBE_ACK:
{
const SUBSCRIBE_ACK* suback = (SUBSCRIBE_ACK*)msgInfo;
MQTT_MESSAGE_HANDLE msg = mqttmessage_create(PACKET_ID_VALUE++, TOPIC_NAME_A, DELIVER_EXACTLY_ONCE, APP_NAME_A, strlen(APP_NAME_A));
if (msg == NULL)
{
PrintLogFunction(LOG_LINE, "%d: mqttmessage_create failed", __LINE__);
g_continue = false;
}
else
{
if (mqtt_client_publish(handle, msg))
{
PrintLogFunction(LOG_LINE, "%d: mqtt_client_publish failed", __LINE__);
g_continue = false;
}
mqttmessage_destroy(msg);
}
// Now send a message that will get
break;
}
case MQTT_CLIENT_ON_PUBLISH_ACK:
{
const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo;
break;
}
case MQTT_CLIENT_ON_PUBLISH_RECV:
{
const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo;
break;
}
case MQTT_CLIENT_ON_PUBLISH_REL:
{
const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo;
break;
}
case MQTT_CLIENT_ON_PUBLISH_COMP:
{
const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo;
// Done so send disconnect
mqtt_client_disconnect(handle);
break;
}
case MQTT_CLIENT_ON_ERROR:
case MQTT_CLIENT_ON_DISCONNECT:
g_continue = false;
break;
}
}