internal BluetoothGattServerImpl()
{
_sendIndicationCallback = SendIndicationCallback;
int err = Interop.Bluetooth.BtGattServerInitialize();
GattUtil.ThrowForError(err, "Failed to initialize server");
err = Interop.Bluetooth.BtGattServerCreate(out _handle);
GattUtil.ThrowForError(err, "Failed to create server");
}
internal Task <bool> SendIndicationAsync(BluetoothGattServer server, BluetoothGattCharacteristic characteristic, string clientAddress)
{
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
Interop.Bluetooth.BtGattServerNotificationSentCallback cb = (result, address, serverHandle, characteristicHandle, completed, userData) =>
{
_notificationSent?.Invoke(characteristic, new NotificationSentEventArg(server, address, result, completed));
if (completed)
{
tcs.SetResult(true);
}
};
int err = Interop.Bluetooth.BtGattServerNotify(characteristic.GetHandle(), cb, clientAddress, IntPtr.Zero);
GattUtil.ThrowForError(err, string.Format("Failed to send value changed indication for characteristic uuid {0}", characteristic.Uuid));
return(tcs.Task);
}
