e7b8ac382e
Bug: 205200767 Test: atest LocationManagerFineTest#testRequestFlush_Gnss Change-Id: I98841f1e83e39289f0e09517d572041ecb058d07
126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/*
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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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#define LOG_TAG "GnssBatchingAidl"
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#include "GnssBatching.h"
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#include <aidl/android/hardware/gnss/BnGnss.h>
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#include <inttypes.h>
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#include <log/log.h>
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#include <utils/SystemClock.h>
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#include "Utils.h"
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namespace aidl::android::hardware::gnss {
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using namespace ::android::hardware::gnss;
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constexpr int BATCH_SIZE = 10;
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std::shared_ptr<IGnssBatchingCallback> GnssBatching::sCallback = nullptr;
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GnssBatching::GnssBatching()
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: mMinIntervalMs(1000),
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mWakeUpOnFifoFull(false),
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mBatchedLocations(std::vector<GnssLocation>()) {}
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GnssBatching::~GnssBatching() {
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cleanup();
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}
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ndk::ScopedAStatus GnssBatching::init(const std::shared_ptr<IGnssBatchingCallback>& callback) {
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ALOGD("init");
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std::unique_lock<std::mutex> lock(mMutex);
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sCallback = callback;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus GnssBatching::getBatchSize(int* size) {
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ALOGD("getBatchingSize");
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*size = BATCH_SIZE;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus GnssBatching::start(int64_t periodNanos, int flags) {
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ALOGD("start: periodNanos=%" PRId64 ", flags=%d", periodNanos, flags);
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if (mIsActive) {
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ALOGW("Gnss has started. Restarting...");
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stop();
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}
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mWakeUpOnFifoFull = (flags & IGnssBatching::WAKEUP_ON_FIFO_FULL) ? true : false;
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// mMinIntervalMs is not smaller than 1 sec
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periodNanos = (periodNanos < 1e9) ? 1e9 : periodNanos;
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mMinIntervalMs = periodNanos / 1e6;
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mIsActive = true;
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mThread = std::thread([this]() {
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while (mIsActive == true) {
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const auto location = common::Utils::getMockLocation();
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this->batchLocation(location);
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std::this_thread::sleep_for(std::chrono::milliseconds(mMinIntervalMs));
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}
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});
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus GnssBatching::flush() {
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ALOGD("flush");
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std::vector<GnssLocation> copy = std::vector<GnssLocation>(mBatchedLocations);
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ndk::ScopedAStatus status;
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if (sCallback != nullptr) {
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sCallback->gnssLocationBatchCb(copy);
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status = ndk::ScopedAStatus::ok();
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} else {
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ALOGE("GnssBatchingCallback is null. flush() failed.");
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status = ndk::ScopedAStatus::fromServiceSpecificError(IGnss::ERROR_GENERIC);
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}
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mBatchedLocations.clear();
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return status;
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}
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ndk::ScopedAStatus GnssBatching::stop() {
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ALOGD("stop");
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// Do not call flush() at stop()
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mIsActive = false;
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if (mThread.joinable()) {
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mThread.join();
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus GnssBatching::cleanup() {
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ALOGD("cleanup");
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std::unique_lock<std::mutex> lock(mMutex);
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if (mIsActive) {
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stop();
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}
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flush();
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sCallback = nullptr;
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return ndk::ScopedAStatus::ok();
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}
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void GnssBatching::batchLocation(const GnssLocation& location) {
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if (mBatchedLocations.size() > BATCH_SIZE) {
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mBatchedLocations.erase(mBatchedLocations.begin());
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}
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mBatchedLocations.push_back(location);
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if (mWakeUpOnFifoFull && mBatchedLocations.size() == BATCH_SIZE) {
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flush();
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}
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}
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} // namespace aidl::android::hardware::gnss
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