mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 07:06:11 -04:00
117 lines
4.4 KiB
C++
117 lines
4.4 KiB
C++
// Copyright 2023 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_BLE_GATT_CLIENT_H_
|
|
#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_BLE_GATT_CLIENT_H_
|
|
|
|
#include <windows.h>
|
|
|
|
#include <cstddef>
|
|
#include <memory>
|
|
#include <optional>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "absl/base/thread_annotations.h"
|
|
#include "absl/container/flat_hash_map.h"
|
|
#include "absl/functional/any_invocable.h"
|
|
#include "absl/strings/string_view.h"
|
|
#include "absl/synchronization/mutex.h"
|
|
#include "absl/types/optional.h"
|
|
#include "internal/platform/byte_array.h"
|
|
#include "internal/platform/implementation/ble.h"
|
|
#include "internal/platform/uuid.h"
|
|
#include "winrt/Windows.Devices.Bluetooth.GenericAttributeProfile.h"
|
|
#include "winrt/Windows.Devices.Bluetooth.h"
|
|
#include "winrt/base.h"
|
|
|
|
namespace nearby {
|
|
namespace windows {
|
|
|
|
class BleGattClient : public api::ble::GattClient {
|
|
public:
|
|
explicit BleGattClient(
|
|
::winrt::Windows::Devices::Bluetooth::BluetoothLEDevice ble_device);
|
|
~BleGattClient() override;
|
|
|
|
bool DiscoverServiceAndCharacteristics(
|
|
const Uuid& service_uuid,
|
|
const std::vector<Uuid>& characteristic_uuids) override
|
|
ABSL_LOCKS_EXCLUDED(mutex_);
|
|
|
|
absl::optional<api::ble::GattCharacteristic> GetCharacteristic(
|
|
const Uuid& service_uuid, const Uuid& characteristic_uuid) override
|
|
ABSL_LOCKS_EXCLUDED(mutex_);
|
|
|
|
absl::optional<std::string> ReadCharacteristic(
|
|
const api::ble::GattCharacteristic& characteristic) override
|
|
ABSL_LOCKS_EXCLUDED(mutex_);
|
|
|
|
bool WriteCharacteristic(const api::ble::GattCharacteristic& characteristic,
|
|
absl::string_view value,
|
|
api::ble::GattClient::WriteType write_type) override
|
|
ABSL_LOCKS_EXCLUDED(mutex_);
|
|
|
|
bool SetCharacteristicSubscription(
|
|
const api::ble::GattCharacteristic& characteristic, bool enable,
|
|
absl::AnyInvocable<void(absl::string_view value)>
|
|
on_characteristic_changed_cb) override ABSL_LOCKS_EXCLUDED(mutex_);
|
|
|
|
void Disconnect() override ABSL_LOCKS_EXCLUDED(mutex_);
|
|
|
|
private:
|
|
// Used to save native data related to the GATT characteristic.
|
|
struct GattCharacteristicData {
|
|
std::optional<::winrt::Windows::Devices::Bluetooth::
|
|
GenericAttributeProfile::GattCharacteristic>
|
|
native_characteristic = std::nullopt;
|
|
::winrt::event_token notification_token;
|
|
absl::AnyInvocable<void(absl::string_view value)>
|
|
on_characteristic_changed_cb;
|
|
};
|
|
std::optional<::winrt::Windows::Devices::Bluetooth::GenericAttributeProfile::
|
|
GattCharacteristic>
|
|
GetNativeCharacteristic(const Uuid& service_uuid,
|
|
const Uuid& characteristic_uuid)
|
|
ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
|
|
|
|
bool WriteCharacteristicConfigurationDescriptor(
|
|
::winrt::Windows::Devices::Bluetooth::GenericAttributeProfile::
|
|
GattCharacteristic& characteristic,
|
|
::winrt::Windows::Devices::Bluetooth::GenericAttributeProfile::
|
|
GattClientCharacteristicConfigurationDescriptorValue value)
|
|
ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
|
|
|
|
void OnCharacteristicValueChanged(
|
|
const api::ble::GattCharacteristic& characteristic,
|
|
::winrt::Windows::Devices::Bluetooth::GenericAttributeProfile::
|
|
GattValueChangedEventArgs args);
|
|
|
|
absl::Mutex mutex_;
|
|
|
|
::winrt::Windows::Devices::Bluetooth::BluetoothLEDevice ble_device_
|
|
ABSL_GUARDED_BY(mutex_);
|
|
::winrt::Windows::Devices::Bluetooth::GenericAttributeProfile::
|
|
GattDeviceServicesResult gatt_devices_services_result_
|
|
ABSL_GUARDED_BY(mutex_) = nullptr;
|
|
|
|
absl::flat_hash_map<api::ble::GattCharacteristic, GattCharacteristicData>
|
|
native_characteristic_map_ ABSL_GUARDED_BY(mutex_);
|
|
};
|
|
|
|
} // namespace windows
|
|
} // namespace nearby
|
|
|
|
#endif // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_BLE_GATT_CLIENT_H_
|