/// <summary>
/// Process a raw message
/// </summary>
/// <param name="rxpk"><see cref="Rxpk"/> representing incoming message</param>
/// <param name="startTimeProcessing">Starting time counting from the moment the message was received</param>
/// <returns>A <see cref="DownlinkPktFwdMessage"/> if a message has to be sent back to device</returns>
public async Task <DownlinkPktFwdMessage> ProcessMessageAsync(Rxpk rxpk, DateTime startTimeProcessing)
{
if (!LoRaPayload.TryCreateLoRaPayload(rxpk, out LoRaPayload loRaPayload))
{
Logger.Log("There was a problem in decoding the Rxpk", LogLevel.Error);
return(null);
}
if (this.loraRegion == null)
{
if (!RegionFactory.TryResolveRegion(rxpk))
{
// log is generated in Region factory
// move here once V2 goes GA
return(null);
}
this.loraRegion = RegionFactory.CurrentRegion;
}
if (loRaPayload.LoRaMessageType == LoRaMessageType.JoinRequest)
{
return(await this.ProcessJoinRequestAsync(rxpk, (LoRaPayloadJoinRequest)loRaPayload, startTimeProcessing));
}
else if (loRaPayload.LoRaMessageType == LoRaMessageType.UnconfirmedDataUp || loRaPayload.LoRaMessageType == LoRaMessageType.ConfirmedDataUp)
{
return(await this.ProcessDataMessageAsync(rxpk, (LoRaPayloadData)loRaPayload, startTimeProcessing));
}
Logger.Log("Unknwon message type in rxpk, message ignored", LogLevel.Error);
return(null);
}