55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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/*
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* Copyright (C) 2021 The Android Open Source Project
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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 <aidl/android/hardware/gnss/BnGnssBatching.h>
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#include <atomic>
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#include <thread>
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namespace aidl::android::hardware::gnss {
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struct GnssBatching : public BnGnssBatching {
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public:
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GnssBatching();
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~GnssBatching();
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ndk::ScopedAStatus init(const std::shared_ptr<IGnssBatchingCallback>& callback) override;
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ndk::ScopedAStatus getBatchSize(int* size) override;
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ndk::ScopedAStatus start(const Options& options) override;
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ndk::ScopedAStatus flush() override;
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ndk::ScopedAStatus stop() override;
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ndk::ScopedAStatus cleanup() override;
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private:
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void batchLocation(const GnssLocation&);
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// Guarded by mMutex
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static std::shared_ptr<IGnssBatchingCallback> sCallback;
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std::thread mThread;
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std::atomic<bool> mIsActive;
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std::atomic<long> mMinIntervalMs;
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std::atomic<float> mMinDistanceMeters;
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std::atomic<bool> mWakeUpOnFifoFull;
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// Synchronization lock for sCallback
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mutable std::mutex mMutex;
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std::vector<GnssLocation> mBatchedLocations;
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};
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} // namespace aidl::android::hardware::gnss
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