private static async Task ReceiveMessagesFromDeviceAsync(string partition, CancellationToken ct)
{
var eventHubReceiver = eventHubClient.GetDefaultConsumerGroup().CreateReceiver(partition, DateTime.UtcNow);
while (true)
{
if (ct.IsCancellationRequested)
{
break;
}
EventData eventData = await eventHubReceiver.ReceiveAsync(TimeSpan.FromSeconds(2));
if (eventData == null)
{
continue;
}
var deviceId = eventData.SystemProperties["iothub-connection-device-id"] as string;
deviceId = deviceId.Substring("dispositivo".Length);
string data = Encoding.UTF8.GetString(eventData.GetBytes());
Debug.WriteLine("Message received. Partition: {0} Data: '{1}'", partition, data);
var telemetria = JsonConvert.DeserializeObject <Telemetria>(data);
telemetria.IdDispositivo = int.Parse(deviceId);
TelemetriaHub.InviaMessaggio(telemetria);
}
}
public async Task <IHttpActionResult> Post(Telemetria telemetria)
{
telemetria.DataSalvataggio = DateTime.UtcNow;
using (var contesto = new Contesto())
{
contesto.Set <Telemetria>().Add(telemetria);
await contesto.SaveChangesAsync();
}
TelemetriaHub.InviaMessaggio(telemetria);
return(Ok(telemetria));
}