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/*
* Copyright (C) 2021 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.
*/
#include "SensorsAidlEnvironment.h"
#include <android/binder_manager.h>
#include <log/log.h>
#include <aidl/android/hardware/sensors/BnSensorsCallback.h>
using aidl::android::hardware::sensors::BnSensorsCallback;
using aidl::android::hardware::sensors::SensorInfo;
using android::hardware::EventFlag;
using ndk::ScopedAStatus;
using ndk::SpAIBinder;
namespace {
void serviceDied(void* /* cookie */) {
ALOGE("Sensors HAL died (likely crashed) during test");
FAIL() << "Sensors HAL died during test";
}
class NoOpSensorsCallback : public BnSensorsCallback {
public:
ScopedAStatus onDynamicSensorsConnected(
const std::vector<SensorInfo>& /* sensorInfos */) override {
return ScopedAStatus::ok();
}
ScopedAStatus onDynamicSensorsDisconnected(
const std::vector<int32_t>& /* sensorHandles */) override {
return ScopedAStatus::ok();
}
};
} // anonymous namespace
SensorsAidlEnvironment::SensorsAidlEnvironment(const std::string& service_name)
: SensorsVtsEnvironmentBase(service_name),
mCallback(ndk::SharedRefBase::make<NoOpSensorsCallback>()),
mDeathRecipient(AIBinder_DeathRecipient_new(serviceDied)) {}
bool SensorsAidlEnvironment::resetHal() {
bool succeed = false;
do {
mSensors = ISensors::fromBinder(
SpAIBinder(AServiceManager_waitForService(mServiceName.c_str())));
if (mSensors == nullptr) {
break;
}
AIBinder_linkToDeath(mSensors->asBinder().get(), mDeathRecipient.get(), this);
// Initialize FMQs
mWakeLockQueue = std::make_unique<WakeLockQueue>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
true /* configureEventFlagWord */);
mEventQueue = std::make_unique<EventQueue>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
true /* configureEventFlagWord */);
if (mWakeLockQueue == nullptr || mEventQueue == nullptr) {
break;
}
EventFlag::deleteEventFlag(&mEventQueueFlag);
EventFlag::createEventFlag(mEventQueue->getEventFlagWord(), &mEventQueueFlag);
if (mEventQueueFlag == nullptr) {
break;
}
mSensors->initialize(mEventQueue->dupeDesc(), mWakeLockQueue->dupeDesc(), mCallback);
std::vector<SensorInfo> sensorList;
if (!mSensors->getSensorsList(&sensorList).isOk()) {
break;
}
// stop each sensor individually
bool ok = true;
for (const auto& i : sensorList) {
if (!mSensors->activate(i.sensorHandle, false).isOk()) {
ok = false;
break;
}
}
if (!ok) {
break;
}
// mark it done
succeed = true;
} while (0);
if (!succeed) {
mSensors = nullptr;
}
return succeed;
}
void SensorsAidlEnvironment::TearDown() {
mStopThread = true;
if (mEventQueueFlag != nullptr) {
// Wake up the event queue so the poll thread can exit
mEventQueueFlag->wake(ISensors::EVENT_QUEUE_FLAG_BITS_READ_AND_PROCESS);
if (mPollThread.joinable()) {
mPollThread.join();
}
EventFlag::deleteEventFlag(&mEventQueueFlag);
}
}
void SensorsAidlEnvironment::startPollingThread() {
mStopThread = false;
mEvents.reserve(MAX_RECEIVE_BUFFER_EVENT_COUNT);
mPollThread = std::thread(pollingThread, this);
}
void SensorsAidlEnvironment::readEvents() {
size_t availableEvents = mEventQueue->availableToRead();
if (availableEvents == 0) {
uint32_t eventFlagState = 0;
mEventQueueFlag->wait(ISensors::EVENT_QUEUE_FLAG_BITS_READ_AND_PROCESS, &eventFlagState);
availableEvents = mEventQueue->availableToRead();
}
size_t eventsToRead = std::min(availableEvents, mEventBuffer.size());
if (eventsToRead > 0) {
if (mEventQueue->read(mEventBuffer.data(), eventsToRead)) {
mEventQueueFlag->wake(ISensors::EVENT_QUEUE_FLAG_BITS_EVENTS_READ);
for (size_t i = 0; i < eventsToRead; i++) {
addEvent(mEventBuffer[i]);
}
}
}
}
void SensorsAidlEnvironment::pollingThread(SensorsAidlEnvironment* env) {
ALOGD("polling thread start");
while (!env->mStopThread.load()) {
env->readEvents();
}
ALOGD("polling thread end");
}
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