unplugged-system/device/generic/goldfish/gnss/GnssBatching.h

61 lines
1.8 KiB
C++

/*
* Copyright (C) 2020 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 <condition_variable>
#include <deque>
#include <mutex>
#include <thread>
#include <aidl/android/hardware/gnss/BnGnssBatching.h>
namespace aidl {
namespace android {
namespace hardware {
namespace gnss {
namespace implementation {
struct GnssBatching : public BnGnssBatching {
~GnssBatching();
ndk::ScopedAStatus init(const std::shared_ptr<IGnssBatchingCallback>& callback) override;
ndk::ScopedAStatus getBatchSize(int* size) override;
ndk::ScopedAStatus start(const Options& options) override;
ndk::ScopedAStatus flush() override;
ndk::ScopedAStatus stop() override;
ndk::ScopedAStatus cleanup() override;
void onGnssLocationCb(GnssLocation location);
private:
void stopImpl();
void batchLocationLocked(GnssLocation location, bool wakeUpOnFifoFull);
bool flushLocked();
std::shared_ptr<IGnssBatchingCallback> mCallback;
std::deque<GnssLocation> mBatchedLocations;
std::optional<GnssLocation> mLocation;
std::condition_variable mThreadNotification;
bool mRunning = false;
std::thread mThread;
mutable std::mutex mMtx;
};
} // namespace implementation
} // namespace gnss
} // namespace hardware
} // namespace android
} // namespace aidl