hal/vehicle/2.0/DefaultVehicleHalServer.h

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * 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 "vhal_v2_0/VehicleObjectPool.h"
#include "vhal_v2_0/VehiclePropertyStore.h"
#include "vhal_v2_0/VehicleServer.h"

#include "vhal_v2_0/DefaultConfig.h"
#include "vhal_v2_0/GeneratorHub.h"

namespace android {
namespace hardware {
namespace automotive {
namespace vehicle {
namespace V2_0 {

namespace impl {

// This contains the server operation for VHAL running in emulator.
class DefaultVehicleHalServer : public IVehicleServer {
  public:
    DefaultVehicleHalServer();

    // Send all the property values to client.
    void sendAllValuesToClient();

    // Methods from IVehicleServer

    std::vector<VehiclePropConfig> onGetAllPropertyConfig() const override;

    StatusCode onSetProperty(const VehiclePropValue& value, bool updateStatus) override;

    // Set the Property Value Pool used in this server
    void setValuePool(VehiclePropValuePool* valuePool);

  protected:
    using VehiclePropValuePtr = recyclable_ptr<VehiclePropValue>;
    GeneratorHub* getGenerator();

    VehiclePropValuePool* getValuePool() const;

    void onFakeValueGenerated(const VehiclePropValue& value);

    StatusCode handleGenerateFakeDataRequest(const VehiclePropValue& request);

    VehiclePropValuePtr createApPowerStateReq(VehicleApPowerStateReq req, int32_t param);

    VehiclePropValuePtr createHwInputKeyProp(VehicleHwKeyInputAction action, int32_t keyCode,
                                             int32_t targetDisplay);

    void storePropInitialValue(const ConfigDeclaration& config);

  protected:
    GeneratorHub mGeneratorHub{
            [this](const VehiclePropValue& value) { return onFakeValueGenerated(value); }};

    VehiclePropValuePool* mValuePool{nullptr};
    VehiclePropertyStore mServerSidePropStore;
};

}  // namespace impl

}  // namespace V2_0
}  // namespace vehicle
}  // namespace automotive
}  // namespace hardware
}  // namespace android