hal/vehicle/2.0/GrpcVehicleServer.h

/*
 * Copyright (C) 2019 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.
 */

#ifndef android_hardware_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleServer_H_
#define android_hardware_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleServer_H_

#include "Utils.h"

// TODO(chenjaosjtuacm,egranata): remove this hack during AIDL migration
// If building for Android, use the VHAL server definition coming from
// hardware/interfaces; if building for a host environment use the older
// hardcoded header file coming from our own source code
// These two versions export slightly incompatible C++ interfaces but this
// only affects building the server, whereas the communication happens over
// the VHAL protocol which is stable across Android releases
#if defined(ANDROID) || defined(__ANDROID__)
#include "vhal_v2_0/DefaultVehicleHalServer.h"
#else
#include "DefaultVehicleHalServer.h"
#endif

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

namespace impl {

// Connect to the Vehicle Client via GRPC
class GrpcVehicleServer : public DefaultVehicleHalServer {
  public:
    // Start listening incoming calls
    virtual GrpcVehicleServer& Start() = 0;

    // Wait until error or Stop is called
    virtual void Wait() = 0;

    // Stop the server
    virtual GrpcVehicleServer& Stop() = 0;

    // Methods for unit tests
    virtual uint32_t NumOfActivePropertyValueStream() = 0;
};

using GrpcVehicleServerPtr = std::unique_ptr<GrpcVehicleServer>;

GrpcVehicleServerPtr makeGrpcVehicleServer(const VirtualizedVhalServerInfo& serverInfo);

}  // namespace impl

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

#endif  // android_hardware_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleServer_H_