19a32b6270
Bug: 206670536 Test: atest VtsHalGnssTargetTest Change-Id: Id597c772fbe63789cb394b2aa14faeb755196f64
119 lines
3.7 KiB
C++
119 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 "GnssNavigationMessageAidl"
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#include "GnssNavigationMessageInterface.h"
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#include <aidl/android/hardware/gnss/BnGnss.h>
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#include <log/log.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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using GnssNavigationMessage = IGnssNavigationMessageCallback::GnssNavigationMessage;
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using GnssNavigationMessageType = GnssNavigationMessage::GnssNavigationMessageType;
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std::shared_ptr<IGnssNavigationMessageCallback> GnssNavigationMessageInterface::sCallback = nullptr;
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GnssNavigationMessageInterface::GnssNavigationMessageInterface() : mMinIntervalMillis(1000) {}
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GnssNavigationMessageInterface::~GnssNavigationMessageInterface() {
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waitForStoppingThreads();
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}
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ndk::ScopedAStatus GnssNavigationMessageInterface::setCallback(
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const std::shared_ptr<IGnssNavigationMessageCallback>& callback) {
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ALOGD("setCallback");
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std::unique_lock<std::mutex> lock(mMutex);
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sCallback = callback;
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start();
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus GnssNavigationMessageInterface::close() {
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ALOGD("close");
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if (mIsActive) {
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stop();
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}
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std::unique_lock<std::mutex> lock(mMutex);
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sCallback = nullptr;
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return ndk::ScopedAStatus::ok();
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}
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void GnssNavigationMessageInterface::start() {
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ALOGD("start");
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if (mIsActive) {
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ALOGD("restarting since nav msg has started");
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stop();
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}
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// Wait for stopping previous thread.
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waitForStoppingThreads();
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mIsActive = true;
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mThread = std::thread([this]() {
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do {
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if (!mIsActive) {
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break;
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}
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GnssNavigationMessage message = {
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.svid = 19,
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.type = GnssNavigationMessageType::GPS_L1CA,
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.status = GnssNavigationMessage::STATUS_PARITY_PASSED,
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.messageId = 2,
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.submessageId = 3,
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.data = std::vector<uint8_t>(40, 0xF9),
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};
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this->reportMessage(message);
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} while (mIsActive &&
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mThreadBlocker.wait_for(std::chrono::milliseconds(mMinIntervalMillis)));
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});
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}
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void GnssNavigationMessageInterface::stop() {
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ALOGD("stop");
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mIsActive = false;
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mThreadBlocker.notify();
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if (mThread.joinable()) {
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mFutures.push_back(std::async(std::launch::async, [this] { mThread.join(); }));
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}
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}
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void GnssNavigationMessageInterface::reportMessage(const GnssNavigationMessage& message) {
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ALOGD("reportMessage()");
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std::shared_ptr<IGnssNavigationMessageCallback> callbackCopy;
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{
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std::unique_lock<std::mutex> lock(mMutex);
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if (sCallback == nullptr) {
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ALOGE("%s: GnssNavigationMessageInterface::sCallback is null.", __func__);
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return;
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}
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callbackCopy = sCallback;
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}
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callbackCopy->gnssNavigationMessageCb(message);
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}
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void GnssNavigationMessageInterface::waitForStoppingThreads() {
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for (auto& future : mFutures) {
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ALOGD("Stopping previous thread.");
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future.wait();
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ALOGD("Done stopping thread.");
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}
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mFutures.clear();
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}
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} // namespace aidl::android::hardware::gnss
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