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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.
*/
#define LOG_TAG "GnssMeasIfaceAidl"
#include "GnssMeasurementInterface.h"
#include <aidl/android/hardware/gnss/BnGnss.h>
#include <log/log.h>
#include "GnssReplayUtils.h"
#include "Utils.h"
namespace aidl::android::hardware::gnss {
using Utils = ::android::hardware::gnss::common::Utils;
using ReplayUtils = ::android::hardware::gnss::common::ReplayUtils;
std::shared_ptr<IGnssMeasurementCallback> GnssMeasurementInterface::sCallback = nullptr;
GnssMeasurementInterface::GnssMeasurementInterface() : mMinIntervalMillis(1000) {}
GnssMeasurementInterface::~GnssMeasurementInterface() {
stop();
}
ndk::ScopedAStatus GnssMeasurementInterface::setCallback(
const std::shared_ptr<IGnssMeasurementCallback>& callback, const bool enableFullTracking,
const bool enableCorrVecOutputs) {
ALOGD("setCallback: enableFullTracking: %d enableCorrVecOutputs: %d", (int)enableFullTracking,
(int)enableCorrVecOutputs);
std::unique_lock<std::mutex> lock(mMutex);
sCallback = callback;
if (mIsActive) {
ALOGW("GnssMeasurement callback already set. Resetting the callback...");
stop();
}
start(enableCorrVecOutputs);
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus GnssMeasurementInterface::close() {
ALOGD("close");
stop();
std::unique_lock<std::mutex> lock(mMutex);
sCallback = nullptr;
return ndk::ScopedAStatus::ok();
}
void GnssMeasurementInterface::start(const bool enableCorrVecOutputs) {
ALOGD("start");
mIsActive = true;
mThread = std::thread([this, enableCorrVecOutputs]() {
while (mIsActive == true) {
std::string rawMeasurementStr = "";
if (ReplayUtils::hasGnssDeviceFile() &&
ReplayUtils::isGnssRawMeasurement(
rawMeasurementStr = ReplayUtils::getDataFromDeviceFile(
std::string(
::android::hardware::gnss::common::CMD_GET_RAWMEASUREMENT),
mMinIntervalMillis))) {
// TODO: implement rawMeasurementStr parser and report measurement.
ALOGD("rawMeasurementStr(size: %zu) from device file: %s", rawMeasurementStr.size(),
rawMeasurementStr.c_str());
auto measurement = Utils::getMockMeasurement(enableCorrVecOutputs);
this->reportMeasurement(measurement);
} else {
auto measurement = Utils::getMockMeasurement(enableCorrVecOutputs);
this->reportMeasurement(measurement);
}
std::this_thread::sleep_for(std::chrono::milliseconds(mMinIntervalMillis));
}
});
mThread.detach();
}
void GnssMeasurementInterface::stop() {
ALOGD("stop");
mIsActive = false;
}
void GnssMeasurementInterface::reportMeasurement(const GnssData& data) {
ALOGD("reportMeasurement()");
std::shared_ptr<IGnssMeasurementCallback> callbackCopy;
{
std::unique_lock<std::mutex> lock(mMutex);
if (sCallback == nullptr) {
ALOGE("%s: GnssMeasurement::sCallback is null.", __func__);
return;
}
callbackCopy = sCallback;
}
callbackCopy->gnssMeasurementCb(data);
}
} // namespace aidl::android::hardware::gnss
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