| // |
| // Copyright 2015 Google, Inc. |
| // |
| // 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: |
| // |
| // http://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. |
| // |
| |
| #pragma once |
| |
| #include <mutex> |
| #include <unordered_map> |
| |
| #include <base/macros.h> |
| #include <bluetooth/uuid.h> |
| |
| #include "service/bluetooth_instance.h" |
| #include "service/hal/bluetooth_gatt_interface.h" |
| |
| namespace bluetooth { |
| |
| // A GattClient instance represents an application's handle to perform GATT |
| // client-role operations. Instances cannot be created directly and should be |
| // obtained through the factory. |
| class GattClient : public BluetoothInstance { |
| public: |
| ~GattClient() override; |
| |
| // BluetoothClientInstace overrides: |
| const Uuid& GetAppIdentifier() const override; |
| int GetInstanceId() const override; |
| |
| private: |
| friend class GattClientFactory; |
| |
| // Constructor shouldn't be called directly as instances are meant to be |
| // obtained from the factory. |
| GattClient(const Uuid& uuid, int client_id); |
| |
| // See getters above for documentation. |
| Uuid app_identifier_; |
| int client_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GattClient); |
| }; |
| |
| // GattClientFactory is used to register and obtain a per-application GattClient |
| // instance. Users should call RegisterClient to obtain their own unique |
| // GattClient instance that has been registered with the Bluetooth stack. |
| class GattClientFactory : public BluetoothInstanceFactory, |
| private hal::BluetoothGattInterface::ClientObserver { |
| public: |
| // Don't construct/destruct directly except in tests. Instead, obtain a handle |
| // from an Adapter instance. |
| GattClientFactory(); |
| ~GattClientFactory() override; |
| |
| // BluetoothInstanceFactory override: |
| bool RegisterInstance(const Uuid& uuid, |
| const RegisterCallback& callback) override; |
| |
| private: |
| // hal::BluetoothGattInterface::ClientObserver override: |
| void RegisterClientCallback(hal::BluetoothGattInterface* gatt_iface, |
| int status, int client_id, |
| const Uuid& app_uuid) override; |
| |
| // Map of pending calls to register. |
| std::mutex pending_calls_lock_; |
| std::unordered_map<Uuid, RegisterCallback> pending_calls_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GattClientFactory); |
| }; |
| |
| } // namespace bluetooth |