static void OnRecvCallback(MQTT_MESSAGE_HANDLE msgHandle, void* context)
{
const APP_PAYLOAD* appMsg = mqttmessage_getApplicationMsg(msgHandle);
PrintLogFunction(0, "Incoming Msg: Packet Id: %d\r\nQOS: %s\r\nTopic Name: %s\r\nIs Retained: %s\r\nIs Duplicate: %s\r\nApp Msg: ", mqttmessage_getPacketId(msgHandle),
QosToString(mqttmessage_getQosType(msgHandle) ),
mqttmessage_getTopicName(msgHandle),
mqttmessage_getIsRetained(msgHandle) ? "true" : "fale",
mqttmessage_getIsDuplicateMsg(msgHandle) ? "true" : "fale"
);
for (size_t index = 0; index < appMsg->length; index++)
{
PrintLogFunction(0, "0x%x", appMsg->message[index]);
}
PrintLogFunction(0, "\r\n");
}
static void mqtt_notification_callback(MQTT_MESSAGE_HANDLE handle, void* user_ctx)
{
if (user_ctx != NULL)
{
PROV_TRANSPORT_MQTT_INFO* mqtt_info = (PROV_TRANSPORT_MQTT_INFO*)user_ctx;
const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(handle);
if (payload != NULL)
{
if (mqtt_info->payload_data != NULL)
{
free(mqtt_info->payload_data);
mqtt_info->payload_data = NULL;
}
if ((mqtt_info->payload_data = malloc(payload->length + 1)) == NULL)
{
LogError("failure allocating payload data");
mqtt_info->transport_state = TRANSPORT_CLIENT_STATE_ERROR;
mqtt_info->mqtt_state = MQTT_STATE_ERROR;
}
else
{
memset(mqtt_info->payload_data, 0, payload->length + 1);
memcpy(mqtt_info->payload_data, payload->message, payload->length);
if (mqtt_info->transport_state == TRANSPORT_CLIENT_STATE_REG_SENT)
{
mqtt_info->transport_state = TRANSPORT_CLIENT_STATE_REG_RECV;
}
else
{
mqtt_info->transport_state = TRANSPORT_CLIENT_STATE_STATUS_RECV;
}
}
}
else
{
LogError("failure NULL message encountered from umqtt");
mqtt_info->transport_state = TRANSPORT_CLIENT_STATE_ERROR;
mqtt_info->mqtt_state = MQTT_STATE_ERROR;
}
}
else
{
LogError("mqtt_notification_callback was invoked with a NULL context");
}
}
static void MqttRecvCallback(MQTT_MESSAGE_HANDLE msgHandle, void* callbackCtx)
{
if (msgHandle != NULL && callbackCtx != NULL)
{
const APP_PAYLOAD* appPayload = mqttmessage_getApplicationMsg(msgHandle);
IOTHUB_MESSAGE_HANDLE IoTHubMessage = IoTHubMessage_CreateFromByteArray(appPayload->message, appPayload->length);
if (IoTHubMessage == NULL)
{
LogError("IotHub Message creation has failed.\r\n");
}
else
{
PMQTTTRANSPORT_HANDLE_DATA transportData = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
if (IoTHubClient_LL_MessageCallback(transportData->llClientHandle, IoTHubMessage) != IOTHUBMESSAGE_ACCEPTED)
{
LogError("Event not accepted by our client.\r\n");
}
IoTHubMessage_Destroy(IoTHubMessage);
}
}
}
