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84 lines
2.7 KiB
84 lines
2.7 KiB
4 months ago
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// Copyright 2015 Google, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at:
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#pragma once
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#include <mutex>
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#include <unordered_map>
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#include <base/macros.h>
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#include <bluetooth/uuid.h>
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#include "service/bluetooth_instance.h"
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#include "service/hal/bluetooth_gatt_interface.h"
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namespace bluetooth {
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// A GattClient instance represents an application's handle to perform GATT
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// client-role operations. Instances cannot be created directly and should be
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// obtained through the factory.
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class GattClient : public BluetoothInstance {
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public:
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~GattClient() override;
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// BluetoothClientInstace overrides:
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const Uuid& GetAppIdentifier() const override;
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int GetInstanceId() const override;
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private:
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friend class GattClientFactory;
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// Constructor shouldn't be called directly as instances are meant to be
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// obtained from the factory.
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GattClient(const Uuid& uuid, int client_id);
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// See getters above for documentation.
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Uuid app_identifier_;
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int client_id_;
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DISALLOW_COPY_AND_ASSIGN(GattClient);
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};
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// GattClientFactory is used to register and obtain a per-application GattClient
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// instance. Users should call RegisterClient to obtain their own unique
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// GattClient instance that has been registered with the Bluetooth stack.
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class GattClientFactory : public BluetoothInstanceFactory,
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private hal::BluetoothGattInterface::ClientObserver {
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public:
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// Don't construct/destruct directly except in tests. Instead, obtain a handle
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// from an Adapter instance.
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GattClientFactory();
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~GattClientFactory() override;
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// BluetoothInstanceFactory override:
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bool RegisterInstance(const Uuid& uuid,
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const RegisterCallback& callback) override;
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private:
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// hal::BluetoothGattInterface::ClientObserver override:
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void RegisterClientCallback(hal::BluetoothGattInterface* gatt_iface,
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int status, int client_id,
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const Uuid& app_uuid) override;
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// Map of pending calls to register.
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std::mutex pending_calls_lock_;
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std::unordered_map<Uuid, RegisterCallback> pending_calls_;
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DISALLOW_COPY_AND_ASSIGN(GattClientFactory);
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};
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} // namespace bluetooth
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