internal Task <bool> ReadValueAsyncTask(BluetoothGattAttributeHandle handle)
{
TaskCompletionSource <bool> task = new TaskCompletionSource <bool>();
int requestId = 0;
lock (this)
{
requestId = _requestId++;
_readValueTaskSource[requestId] = task;
}
int err = Interop.Bluetooth.BtGattClientReadValue(handle, _readValueCallback, (IntPtr)requestId);
if (err.IsFailed())
{
GattUtil.Error(err, "Failed to read value from remote device");
task.SetResult(false);
_readValueTaskSource.Remove(requestId);
BluetoothErrorFactory.ThrowBluetoothException(err);
}
return(task.Task);
}
internal IEnumerable <BluetoothGattService> GetServices(BluetoothGattClient client)
{
List <BluetoothGattService> attribututeList = new List <BluetoothGattService>();
_serviceForeachCallback = (total, index, attributeHandle, userData) =>
{
BluetoothGattAttributeHandle handle = new BluetoothGattAttributeHandle(attributeHandle, false);
BluetoothGattService service = BluetoothGattServiceImpl.CreateBluetoothGattService(handle, "");
if (service != null)
{
service.SetParent(client);
attribututeList.Add(service);
}
return(true);
};
int err = Interop.Bluetooth.BtGattClientForeachServices(_handle, _serviceForeachCallback, IntPtr.Zero);
GattUtil.Error(err, "Failed to get all services");
return(attribututeList);
}
internal IEnumerable <BluetoothGattDescriptor> GetDescriptors(BluetoothGattCharacteristic characteristic)
{
List <BluetoothGattDescriptor> attribututeList = new List <BluetoothGattDescriptor>();
_descriptorForeachCallback = (total, index, attributeHandle, userData) =>
{
BluetoothGattAttributeHandle handle = new BluetoothGattAttributeHandle(attributeHandle, false);
BluetoothGattDescriptor descriptor = BluetoothGattDescriptorImpl.CreateBluetoothGattDescriptor(handle, "");
if (descriptor != null)
{
descriptor.SetParent(characteristic);
attribututeList.Add(descriptor);
}
return(true);
};
int err = Interop.Bluetooth.BtGattCharacteristicForeachDescriptors(characteristic.GetHandle(), _descriptorForeachCallback, IntPtr.Zero);
GattUtil.Error(err, "Failed to get all descriptor");
return(attribututeList);
}
internal IEnumerable <BluetoothGattCharacteristic> GetCharacteristics(BluetoothGattService service)
{
List <BluetoothGattCharacteristic> attribututeList = new List <BluetoothGattCharacteristic>();
_characteristicForeachCallback = (total, index, attributeHandle, userData) =>
{
BluetoothGattAttributeHandle handle = new BluetoothGattAttributeHandle(attributeHandle, false);
BluetoothGattCharacteristic Characteristic = BluetoothGattCharacteristicImpl.CreateBluetoothGattGattCharacteristic(handle, "");
if (Characteristic != null)
{
Characteristic.SetParent(service);
attribututeList.Add(Characteristic);
}
return(true);
};
int err = Interop.Bluetooth.BtGattServiceForeachCharacteristics(service.GetHandle(), _characteristicForeachCallback, IntPtr.Zero);
GattUtil.Error(err, "Failed to get all Characteristic");
return(attribututeList);
}
internal BluetoothGattDescriptorImpl(BluetoothGattAttributeHandle handle)
{
_handle = handle;
}
internal static BluetoothGattCharacteristic CreateBluetoothGattGattCharacteristic(BluetoothGattAttributeHandle handle, string uuid)
{
int permission;
int err = Interop.Bluetooth.BtGattCharacteristicGetPermissions(handle, out permission);
GattUtil.ThrowForError(err, "Failed to get permissions");
if (uuid == "")
{
err = Interop.Bluetooth.BtGattGetUuid(handle, out uuid);
GattUtil.ThrowForError(err, "Failed to get UUID");
}
BluetoothGattCharacteristicImpl impl = new BluetoothGattCharacteristicImpl(handle);
return(new BluetoothGattCharacteristic(impl, uuid, (BluetoothGattPermission)permission));
}
internal BluetoothGattCharacteristicImpl(BluetoothGattAttributeHandle handle)
{
_handle = handle;
}
internal BluetoothGattServiceImpl(BluetoothGattAttributeHandle handle)
{
_handle = handle;
}
