public LoraMessage CreateFromPayload(LoraAntennaPacket packet)
{
if (random.Next() % 2 == 0)
{
return(new LoraJoinMessage(packet.Payload));
}
return(new LoraTelemetryMessage(packet.Payload));
}
private async Task OnLoraPacketReceived(LoraAntennaPacket packet)
{
this.logger.LogInformation("Message from antenna received");
// 1. Find out the message type
var loraMessage = this.messageFactory.CreateFromPayload(packet);
// 2. Execute handler
var response = await this.mediator.Send(loraMessage);
// 3. Send response if needed
if (response.Payload.Length > 0)
{
await this.loraAntenna.SendMessage(response.Payload);
}
}
public async Task Start()
{
const int PORT = 1000;
IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, PORT);
udpClient = new UdpClient(endPoint);
while (true)
{
UdpReceiveResult receivedResults = await udpClient.ReceiveAsync();
var packet = new LoraAntennaPacket(receivedResults.Buffer);
// do not wait for it to finish
Task.Run(() => this.receiver(packet));
}
}
private async Task CreateFakePayloads()
{
while (true)
{
var payload = new LoraAntennaPacket(new byte[10]);
Task.Run(() => this.receiver(payload));
if (System.Diagnostics.Debugger.IsAttached)
{
await Task.Delay(1000 * 15);
}
else
{
await Task.Delay(1000 * 3);
}
}
}