private async Task <IotHubDevice> AcquireDeviceId()
{
IotHubDevice device = null;
try
{
using (var client = new HttpClient())
{
client.BaseAddress = new Uri(ServiceUri);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// HTTP GET
HttpResponseMessage response = await client.GetAsync(RequestUri + "/ 1");
if (response.IsSuccessStatusCode)
{
device = await response.Content.ReadAsAsync <IotHubDevice>();
Debug.WriteLine("AcquireDeviceId: " + device.DeviceId + ", " + device.DeviceKey + ",\r\n " + device.ConnectionString);
device.IsUsed = true;
response = await client.PutAsJsonAsync(RequestUri + "/" + device.DevId.ToString(), device);
Debug.WriteLine(response.StatusCode.ToString());
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
return(device);
}
public async Task <string> GetDeviceId()
{
if (App.curScenario.EmuAzure != 0)
{
return("");
}
var localSettings = ApplicationData.Current.LocalSettings;
string deviceId = localSettings.Values[DEVICEID_TAG] as string;
if (deviceId == null)
{
IotHubDevice device = await AcquireDeviceId();
localSettings.Values[IOTDEVICESERVICEURL_TAG] = ServiceUri;
localSettings.Values[DEVICEID_TAG] = device.DeviceId;
localSettings.Values[IOTHUBRECVCONN_TAG] = device.ConnectionString;
localSettings.Values[IOTHUBKEY_TAG] = device.DeviceKey;
deviceId = device.DeviceId;
}
return(deviceId);
}
