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/*
* 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 <aidl/android/hardware/gnss/BnGnssMeasurementCallback.h>
#include <aidl/android/hardware/gnss/BnGnssMeasurementInterface.h>
#include <atomic>
#include <future>
#include <mutex>
#include <thread>
#include "Utils.h"
namespace aidl::android::hardware::gnss {
struct GnssMeasurementInterface : public BnGnssMeasurementInterface {
public:
GnssMeasurementInterface();
~GnssMeasurementInterface();
ndk::ScopedAStatus setCallback(const std::shared_ptr<IGnssMeasurementCallback>& callback,
const bool enableFullTracking,
const bool enableCorrVecOutputs) override;
ndk::ScopedAStatus close() override;
ndk::ScopedAStatus setCallbackWithOptions(
const std::shared_ptr<IGnssMeasurementCallback>& callback,
const Options& options) override;
void setLocationInterval(const int intervalMs);
void setLocationEnabled(const bool enabled);
private:
void start(const bool enableCorrVecOutputs);
void stop();
void reportMeasurement(const GnssData&);
void waitForStoppingThreads();
std::atomic<long> mIntervalMs;
std::atomic<long> mLocationIntervalMs;
std::atomic<bool> mIsActive;
std::atomic<bool> mLocationEnabled;
std::thread mThread;
std::vector<std::future<void>> mFutures;
::android::hardware::gnss::common::ThreadBlocker mThreadBlocker;
// Guarded by mMutex
static std::shared_ptr<IGnssMeasurementCallback> sCallback;
// Synchronization lock for sCallback
mutable std::mutex mMutex;
};
} // namespace aidl::android::hardware::gnss
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