private async void InitializeInternal()
{
mInitializationCancelTokenSource = new CancellationTokenSource(ACCEPTANCE_TIMEOUT);
try
{
var serviceProviderResult = await GattServiceProvider.CreateAsync(mServiceUUID).AsTask(mInitializationCancelTokenSource.Token);
if (serviceProviderResult.Error != BluetoothError.Success)
{
Utils.Error("failed to create service provider: {0}", serviceProviderResult.Error.ToString());
if (serviceProviderResult.Error == BluetoothError.RadioNotAvailable)
{
mCallback.OnBluetoothRequire();
}
HandleError();
return;
}
mServiceProvider = serviceProviderResult.ServiceProvider;
mServiceProvider.AdvertisementStatusChanged += OnAdvertisementStatusChanged;
var uploadParameters = new GattLocalCharacteristicParameters()
{
CharacteristicProperties = GattCharacteristicProperties.Write,
};
var uploadCharacteristicResult = await mServiceProvider.Service.CreateCharacteristicAsync(mUploadUUID, uploadParameters).
AsTask(mInitializationCancelTokenSource.Token);
if (uploadCharacteristicResult.Error != BluetoothError.Success)
{
Utils.Error("failed to create uploading characteristic: {0}", uploadCharacteristicResult.Error.ToString());
HandleError();
return;
}
mUploadCharacteristic = uploadCharacteristicResult.Characteristic;
mUploadCharacteristic.WriteRequested += OnCharacteristicWriteRequested;
var downloadParameters = new GattLocalCharacteristicParameters
{
CharacteristicProperties = GattCharacteristicProperties.Read | GattCharacteristicProperties.Indicate,
};
var downloadCharacteristicResult = await mServiceProvider.Service.CreateCharacteristicAsync(mDownloadUUID, downloadParameters).
AsTask(mInitializationCancelTokenSource.Token);
if (downloadCharacteristicResult.Error != BluetoothError.Success)
{
Utils.Error("failed to create downloading characteristic: {0}", downloadCharacteristicResult.Error.ToString());
HandleError();
return;
}
mDownloadCharacteristic = downloadCharacteristicResult.Characteristic;
mDownloadCharacteristic.SubscribedClientsChanged += OnCharacteristicSubscribedClientsChanged;
mDownloadCharacteristic.ReadRequested += OnCharacteristicReadRequested;
}
catch (OperationCanceledException)
{
Utils.Info("canceled");
HandleError();
return;
}
catch (Exception e)
{
Utils.Error(e.ToString());
HandleError();
return;
}
lock (mLockObject)
{
SetStatus(Status.Ready);
mCallback.OnReady();
}
}
