services/sensorservice/AidlSensorHalWrapper.cpp - platform/frameworks/native - Git at Google

 /*
  * 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 "AidlSensorHalWrapper.h"
 #include "ISensorsWrapper.h"
 #include "SensorDeviceUtils.h"
 #include "android/hardware/sensors/2.0/types.h"

 #include <aidl/android/hardware/sensors/BnSensorsCallback.h>
 #include <aidlcommonsupport/NativeHandle.h>
 #include <android-base/logging.h>
 #include <android/binder_manager.h>
 #include <aidl/sensors/convert.h>

 using ::aidl::android::hardware::sensors::AdditionalInfo;
 using ::aidl::android::hardware::sensors::DynamicSensorInfo;
 using ::aidl::android::hardware::sensors::Event;
 using ::aidl::android::hardware::sensors::ISensors;
 using ::aidl::android::hardware::sensors::SensorInfo;
 using ::aidl::android::hardware::sensors::SensorStatus;
 using ::aidl::android::hardware::sensors::SensorType;
 using ::android::AidlMessageQueue;
 using ::android::hardware::EventFlag;
 using ::android::hardware::sensors::V2_1::implementation::MAX_RECEIVE_BUFFER_EVENT_COUNT;
 using ::android::hardware::sensors::implementation::convertToStatus;
 using ::android::hardware::sensors::implementation::convertToSensor;
 using ::android::hardware::sensors::implementation::convertToSensorEvent;
 using ::android::hardware::sensors::implementation::convertFromSensorEvent;


 namespace android {

 namespace {

 void serviceDied(void *cookie) {
     ALOGW("Sensors HAL died, attempting to reconnect.");
     ((AidlSensorHalWrapper *)cookie)->prepareForReconnect();
 }

 template <typename EnumType>
 constexpr typename std::underlying_type<EnumType>::type asBaseType(EnumType value) {
     return static_cast<typename std::underlying_type<EnumType>::type>(value);
 }

 enum EventQueueFlagBitsInternal : uint32_t {
     INTERNAL_WAKE = 1 << 16,
 };

 } // anonymous namespace

 class AidlSensorsCallback : public ::aidl::android::hardware::sensors::BnSensorsCallback {
 public:
     AidlSensorsCallback(AidlSensorHalWrapper::SensorDeviceCallback *sensorDeviceCallback)
           : mSensorDeviceCallback(sensorDeviceCallback) {}

     ::ndk::ScopedAStatus onDynamicSensorsConnected(
             const std::vector<SensorInfo> &sensorInfos) override {
         std::vector<sensor_t> sensors;
         for (const SensorInfo &sensorInfo : sensorInfos) {
             sensor_t sensor;
             convertToSensor(sensorInfo, &sensor);
             sensors.push_back(sensor);
         }

         mSensorDeviceCallback->onDynamicSensorsConnected(sensors);
         return ::ndk::ScopedAStatus::ok();
     }

     ::ndk::ScopedAStatus onDynamicSensorsDisconnected(
             const std::vector<int32_t> &sensorHandles) override {
         mSensorDeviceCallback->onDynamicSensorsDisconnected(sensorHandles);
         return ::ndk::ScopedAStatus::ok();
     }

 private:
     ISensorHalWrapper::SensorDeviceCallback *mSensorDeviceCallback;
 };

 AidlSensorHalWrapper::AidlSensorHalWrapper()
       : mEventQueueFlag(nullptr),
         mWakeLockQueueFlag(nullptr),
         mDeathRecipient(AIBinder_DeathRecipient_new(serviceDied)) {}

 bool AidlSensorHalWrapper::supportsPolling() {
     return false;
 }

 bool AidlSensorHalWrapper::supportsMessageQueues() {
     return true;
 }

 bool AidlSensorHalWrapper::connect(SensorDeviceCallback *callback) {
     mSensorDeviceCallback = callback;
     mSensors = nullptr;

     auto aidlServiceName = std::string() + ISensors::descriptor + "/default";
     if (AServiceManager_isDeclared(aidlServiceName.c_str())) {
         if (mSensors != nullptr) {
             AIBinder_unlinkToDeath(mSensors->asBinder().get(), mDeathRecipient.get(), this);
         }

         ndk::SpAIBinder binder(AServiceManager_waitForService(aidlServiceName.c_str()));
         if (binder.get() != nullptr) {
             mSensors = ISensors::fromBinder(binder);
             mEventQueue = std::make_unique<AidlMessageQueue<
                     Event, SynchronizedReadWrite>>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
                                                    /*configureEventFlagWord=*/true);

             mWakeLockQueue = std::make_unique<AidlMessageQueue<
                     int32_t, SynchronizedReadWrite>>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
                                                      /*configureEventFlagWord=*/true);
             if (mEventQueueFlag != nullptr) {
                 EventFlag::deleteEventFlag(&mEventQueueFlag);
             }
             EventFlag::createEventFlag(mEventQueue->getEventFlagWord(), &mEventQueueFlag);
             if (mWakeLockQueueFlag != nullptr) {
                 EventFlag::deleteEventFlag(&mWakeLockQueueFlag);
             }
             EventFlag::createEventFlag(mWakeLockQueue->getEventFlagWord(), &mWakeLockQueueFlag);

             CHECK(mEventQueue != nullptr && mEventQueueFlag != nullptr &&
                   mWakeLockQueue != nullptr && mWakeLockQueueFlag != nullptr);

             mCallback = ndk::SharedRefBase::make<AidlSensorsCallback>(mSensorDeviceCallback);
             mSensors->initialize(mEventQueue->dupeDesc(), mWakeLockQueue->dupeDesc(), mCallback);

             AIBinder_linkToDeath(mSensors->asBinder().get(), mDeathRecipient.get(), this);
         } else {
             ALOGE("Could not connect to declared sensors AIDL HAL");
         }
     }

     return mSensors != nullptr;
 }

 void AidlSensorHalWrapper::prepareForReconnect() {
     mReconnecting = true;
     if (mEventQueueFlag != nullptr) {
         mEventQueueFlag->wake(asBaseType(INTERNAL_WAKE));
     }
 }

 ssize_t AidlSensorHalWrapper::poll(sensors_event_t * /* buffer */, size_t /* count */) {
     return 0;
 }

 ssize_t AidlSensorHalWrapper::pollFmq(sensors_event_t *buffer, size_t maxNumEventsToRead) {
     ssize_t eventsRead = 0;
     size_t availableEvents = mEventQueue->availableToRead();

     if (availableEvents == 0) {
         uint32_t eventFlagState = 0;

         // Wait for events to become available. This is necessary so that the Event FMQ's read() is
         // able to be called with the correct number of events to read. If the specified number of
         // events is not available, then read() would return no events, possibly introducing
         // additional latency in delivering events to applications.
         if (mEventQueueFlag != nullptr) {
             mEventQueueFlag->wait(asBaseType(ISensors::EVENT_QUEUE_FLAG_BITS_READ_AND_PROCESS) |
                                           asBaseType(INTERNAL_WAKE),
                                   &eventFlagState);
         }
         availableEvents = mEventQueue->availableToRead();

         if ((eventFlagState & asBaseType(INTERNAL_WAKE)) && mReconnecting) {
             ALOGD("Event FMQ internal wake, returning from poll with no events");
             return DEAD_OBJECT;
         }
     }

     size_t eventsToRead = std::min({availableEvents, maxNumEventsToRead, mEventBuffer.size()});
     if (eventsToRead > 0) {
         if (mEventQueue->read(mEventBuffer.data(), eventsToRead)) {
             // Notify the Sensors HAL that sensor events have been read. This is required to support
             // the use of writeBlocking by the Sensors HAL.
             if (mEventQueueFlag != nullptr) {
                 mEventQueueFlag->wake(asBaseType(ISensors::EVENT_QUEUE_FLAG_BITS_EVENTS_READ));
             }

             for (size_t i = 0; i < eventsToRead; i++) {
                 convertToSensorEvent(mEventBuffer[i], &buffer[i]);
             }
             eventsRead = eventsToRead;
         } else {
             ALOGW("Failed to read %zu events, currently %zu events available", eventsToRead,
                   availableEvents);
         }
     }

     return eventsRead;
 }

 std::vector<sensor_t> AidlSensorHalWrapper::getSensorsList() {
     std::vector<sensor_t> sensorsFound;

     if (mSensors != nullptr) {
         std::vector<SensorInfo> list;
         mSensors->getSensorsList(&list);
         for (size_t i = 0; i < list.size(); i++) {
             sensor_t sensor;
             convertToSensor(list[i], &sensor);
             sensorsFound.push_back(sensor);
         }
     }

     return sensorsFound;
 }

 status_t AidlSensorHalWrapper::setOperationMode(SensorService::Mode mode) {
     if (mSensors == nullptr) return NO_INIT;
     return convertToStatus(mSensors->setOperationMode(static_cast<ISensors::OperationMode>(mode)));
 }

 status_t AidlSensorHalWrapper::activate(int32_t sensorHandle, bool enabled) {
     if (mSensors == nullptr) return NO_INIT;
     return convertToStatus(mSensors->activate(sensorHandle, enabled));
 }

 status_t AidlSensorHalWrapper::batch(int32_t sensorHandle, int64_t samplingPeriodNs,
                                      int64_t maxReportLatencyNs) {
     if (mSensors == nullptr) return NO_INIT;
     return convertToStatus(mSensors->batch(sensorHandle, samplingPeriodNs, maxReportLatencyNs));
 }

 status_t AidlSensorHalWrapper::flush(int32_t sensorHandle) {
     if (mSensors == nullptr) return NO_INIT;
     return convertToStatus(mSensors->flush(sensorHandle));
 }

 status_t AidlSensorHalWrapper::injectSensorData(const sensors_event_t *event) {
     if (mSensors == nullptr) return NO_INIT;

     Event ev;
     convertFromSensorEvent(*event, &ev);
     return convertToStatus(mSensors->injectSensorData(ev));
 }

 status_t AidlSensorHalWrapper::registerDirectChannel(const sensors_direct_mem_t *memory,
                                                      int32_t *channelHandle) {
     if (mSensors == nullptr) return NO_INIT;

     ISensors::SharedMemInfo::SharedMemType type;
     switch (memory->type) {
         case SENSOR_DIRECT_MEM_TYPE_ASHMEM:
             type = ISensors::SharedMemInfo::SharedMemType::ASHMEM;
             break;
         case SENSOR_DIRECT_MEM_TYPE_GRALLOC:
             type = ISensors::SharedMemInfo::SharedMemType::GRALLOC;
             break;
         default:
             return BAD_VALUE;
     }

     if (memory->format != SENSOR_DIRECT_FMT_SENSORS_EVENT) {
         return BAD_VALUE;
     }
     ISensors::SharedMemInfo::SharedMemFormat format =
             ISensors::SharedMemInfo::SharedMemFormat::SENSORS_EVENT;

     ISensors::SharedMemInfo mem = {
             .type = type,
             .format = format,
             .size = static_cast<int32_t>(memory->size),
             .memoryHandle = dupToAidl(memory->handle),
     };

     return convertToStatus(mSensors->registerDirectChannel(mem, channelHandle));
 }

 status_t AidlSensorHalWrapper::unregisterDirectChannel(int32_t channelHandle) {
     if (mSensors == nullptr) return NO_INIT;
     return convertToStatus(mSensors->unregisterDirectChannel(channelHandle));
 }

 status_t AidlSensorHalWrapper::configureDirectChannel(int32_t sensorHandle, int32_t channelHandle,
                                                       const struct sensors_direct_cfg_t *config) {
     if (mSensors == nullptr) return NO_INIT;

     ISensors::RateLevel rate;
     switch (config->rate_level) {
         case SENSOR_DIRECT_RATE_STOP:
             rate = ISensors::RateLevel::STOP;
             break;
         case SENSOR_DIRECT_RATE_NORMAL:
             rate = ISensors::RateLevel::NORMAL;
             break;
         case SENSOR_DIRECT_RATE_FAST:
             rate = ISensors::RateLevel::FAST;
             break;
         case SENSOR_DIRECT_RATE_VERY_FAST:
             rate = ISensors::RateLevel::VERY_FAST;
             break;
         default:
             return BAD_VALUE;
     }

     int32_t token;
     status_t status = convertToStatus(
         mSensors->configDirectReport(sensorHandle, channelHandle, rate, &token));
     if (status == OK && rate != ISensors::RateLevel::STOP) {
         status = static_cast<status_t>(token);
     }
     return status;
 }

 void AidlSensorHalWrapper::writeWakeLockHandled(uint32_t count) {
     int signedCount = (int)count;
     if (mWakeLockQueue->write(&signedCount)) {
         mWakeLockQueueFlag->wake(asBaseType(ISensors::WAKE_LOCK_QUEUE_FLAG_BITS_DATA_WRITTEN));
     } else {
         ALOGW("Failed to write wake lock handled");
     }
 }

 } // namespace android
	/*
	* 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 "AidlSensorHalWrapper.h"
	#include "ISensorsWrapper.h"
	#include "SensorDeviceUtils.h"
	#include "android/hardware/sensors/2.0/types.h"

	#include <aidl/android/hardware/sensors/BnSensorsCallback.h>
	#include <aidlcommonsupport/NativeHandle.h>
	#include <android-base/logging.h>
	#include <android/binder_manager.h>
	#include <aidl/sensors/convert.h>

	using ::aidl::android::hardware::sensors::AdditionalInfo;
	using ::aidl::android::hardware::sensors::DynamicSensorInfo;
	using ::aidl::android::hardware::sensors::Event;
	using ::aidl::android::hardware::sensors::ISensors;
	using ::aidl::android::hardware::sensors::SensorInfo;
	using ::aidl::android::hardware::sensors::SensorStatus;
	using ::aidl::android::hardware::sensors::SensorType;
	using ::android::AidlMessageQueue;
	using ::android::hardware::EventFlag;
	using ::android::hardware::sensors::V2_1::implementation::MAX_RECEIVE_BUFFER_EVENT_COUNT;
	using ::android::hardware::sensors::implementation::convertToStatus;
	using ::android::hardware::sensors::implementation::convertToSensor;
	using ::android::hardware::sensors::implementation::convertToSensorEvent;
	using ::android::hardware::sensors::implementation::convertFromSensorEvent;


	namespace android {

	namespace {

	void serviceDied(void *cookie) {
	ALOGW("Sensors HAL died, attempting to reconnect.");
	((AidlSensorHalWrapper *)cookie)->prepareForReconnect();
	}

	template <typename EnumType>
	constexpr typename std::underlying_type<EnumType>::type asBaseType(EnumType value) {
	return static_cast<typename std::underlying_type<EnumType>::type>(value);
	}

	enum EventQueueFlagBitsInternal : uint32_t {
	INTERNAL_WAKE = 1 << 16,
	};

	} // anonymous namespace

	class AidlSensorsCallback : public ::aidl::android::hardware::sensors::BnSensorsCallback {
	public:
	AidlSensorsCallback(AidlSensorHalWrapper::SensorDeviceCallback *sensorDeviceCallback)
	: mSensorDeviceCallback(sensorDeviceCallback) {}

	::ndk::ScopedAStatus onDynamicSensorsConnected(
	const std::vector<SensorInfo> &sensorInfos) override {
	std::vector<sensor_t> sensors;
	for (const SensorInfo &sensorInfo : sensorInfos) {
	sensor_t sensor;
	convertToSensor(sensorInfo, &sensor);
	sensors.push_back(sensor);
	}

	mSensorDeviceCallback->onDynamicSensorsConnected(sensors);
	return ::ndk::ScopedAStatus::ok();
	}

	::ndk::ScopedAStatus onDynamicSensorsDisconnected(
	const std::vector<int32_t> &sensorHandles) override {
	mSensorDeviceCallback->onDynamicSensorsDisconnected(sensorHandles);
	return ::ndk::ScopedAStatus::ok();
	}

	private:
	ISensorHalWrapper::SensorDeviceCallback *mSensorDeviceCallback;
	};

	AidlSensorHalWrapper::AidlSensorHalWrapper()
	: mEventQueueFlag(nullptr),
	mWakeLockQueueFlag(nullptr),
	mDeathRecipient(AIBinder_DeathRecipient_new(serviceDied)) {}

	bool AidlSensorHalWrapper::supportsPolling() {
	return false;
	}

	bool AidlSensorHalWrapper::supportsMessageQueues() {
	return true;
	}

	bool AidlSensorHalWrapper::connect(SensorDeviceCallback *callback) {
	mSensorDeviceCallback = callback;
	mSensors = nullptr;

	auto aidlServiceName = std::string() + ISensors::descriptor + "/default";
	if (AServiceManager_isDeclared(aidlServiceName.c_str())) {
	if (mSensors != nullptr) {
	AIBinder_unlinkToDeath(mSensors->asBinder().get(), mDeathRecipient.get(), this);
	}

	ndk::SpAIBinder binder(AServiceManager_waitForService(aidlServiceName.c_str()));
	if (binder.get() != nullptr) {
	mSensors = ISensors::fromBinder(binder);
	mEventQueue = std::make_unique<AidlMessageQueue<
	Event, SynchronizedReadWrite>>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
	/configureEventFlagWord=/true);

	mWakeLockQueue = std::make_unique<AidlMessageQueue<
	int32_t, SynchronizedReadWrite>>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
	/configureEventFlagWord=/true);
	if (mEventQueueFlag != nullptr) {
	EventFlag::deleteEventFlag(&mEventQueueFlag);
	}
	EventFlag::createEventFlag(mEventQueue->getEventFlagWord(), &mEventQueueFlag);
	if (mWakeLockQueueFlag != nullptr) {
	EventFlag::deleteEventFlag(&mWakeLockQueueFlag);
	}
	EventFlag::createEventFlag(mWakeLockQueue->getEventFlagWord(), &mWakeLockQueueFlag);

	CHECK(mEventQueue != nullptr && mEventQueueFlag != nullptr &&
	mWakeLockQueue != nullptr && mWakeLockQueueFlag != nullptr);

	mCallback = ndk::SharedRefBase::make<AidlSensorsCallback>(mSensorDeviceCallback);
	mSensors->initialize(mEventQueue->dupeDesc(), mWakeLockQueue->dupeDesc(), mCallback);

	AIBinder_linkToDeath(mSensors->asBinder().get(), mDeathRecipient.get(), this);
	} else {
	ALOGE("Could not connect to declared sensors AIDL HAL");
	}
	}

	return mSensors != nullptr;
	}

	void AidlSensorHalWrapper::prepareForReconnect() {
	mReconnecting = true;
	if (mEventQueueFlag != nullptr) {
	mEventQueueFlag->wake(asBaseType(INTERNAL_WAKE));
	}
	}

	ssize_t AidlSensorHalWrapper::poll(sensors_event_t * /* buffer /, size_t / count */) {
	return 0;
	}

	ssize_t AidlSensorHalWrapper::pollFmq(sensors_event_t *buffer, size_t maxNumEventsToRead) {
	ssize_t eventsRead = 0;
	size_t availableEvents = mEventQueue->availableToRead();

	if (availableEvents == 0) {
	uint32_t eventFlagState = 0;

	// Wait for events to become available. This is necessary so that the Event FMQ's read() is
	// able to be called with the correct number of events to read. If the specified number of
	// events is not available, then read() would return no events, possibly introducing
	// additional latency in delivering events to applications.
	if (mEventQueueFlag != nullptr) {
	mEventQueueFlag->wait(asBaseType(ISensors::EVENT_QUEUE_FLAG_BITS_READ_AND_PROCESS) \|
	asBaseType(INTERNAL_WAKE),
	&eventFlagState);
	}
	availableEvents = mEventQueue->availableToRead();

	if ((eventFlagState & asBaseType(INTERNAL_WAKE)) && mReconnecting) {
	ALOGD("Event FMQ internal wake, returning from poll with no events");
	return DEAD_OBJECT;
	}
	}

	size_t eventsToRead = std::min({availableEvents, maxNumEventsToRead, mEventBuffer.size()});
	if (eventsToRead > 0) {
	if (mEventQueue->read(mEventBuffer.data(), eventsToRead)) {
	// Notify the Sensors HAL that sensor events have been read. This is required to support
	// the use of writeBlocking by the Sensors HAL.
	if (mEventQueueFlag != nullptr) {
	mEventQueueFlag->wake(asBaseType(ISensors::EVENT_QUEUE_FLAG_BITS_EVENTS_READ));
	}

	for (size_t i = 0; i < eventsToRead; i++) {
	convertToSensorEvent(mEventBuffer[i], &buffer[i]);
	}
	eventsRead = eventsToRead;
	} else {
	ALOGW("Failed to read %zu events, currently %zu events available", eventsToRead,
	availableEvents);
	}
	}

	return eventsRead;
	}

	std::vector<sensor_t> AidlSensorHalWrapper::getSensorsList() {
	std::vector<sensor_t> sensorsFound;

	if (mSensors != nullptr) {
	std::vector<SensorInfo> list;
	mSensors->getSensorsList(&list);
	for (size_t i = 0; i < list.size(); i++) {
	sensor_t sensor;
	convertToSensor(list[i], &sensor);
	sensorsFound.push_back(sensor);
	}
	}

	return sensorsFound;
	}

	status_t AidlSensorHalWrapper::setOperationMode(SensorService::Mode mode) {
	if (mSensors == nullptr) return NO_INIT;
	return convertToStatus(mSensors->setOperationMode(static_cast<ISensors::OperationMode>(mode)));
	}

	status_t AidlSensorHalWrapper::activate(int32_t sensorHandle, bool enabled) {
	if (mSensors == nullptr) return NO_INIT;
	return convertToStatus(mSensors->activate(sensorHandle, enabled));
	}

	status_t AidlSensorHalWrapper::batch(int32_t sensorHandle, int64_t samplingPeriodNs,
	int64_t maxReportLatencyNs) {
	if (mSensors == nullptr) return NO_INIT;
	return convertToStatus(mSensors->batch(sensorHandle, samplingPeriodNs, maxReportLatencyNs));
	}

	status_t AidlSensorHalWrapper::flush(int32_t sensorHandle) {
	if (mSensors == nullptr) return NO_INIT;
	return convertToStatus(mSensors->flush(sensorHandle));
	}

	status_t AidlSensorHalWrapper::injectSensorData(const sensors_event_t *event) {
	if (mSensors == nullptr) return NO_INIT;

	Event ev;
	convertFromSensorEvent(*event, &ev);
	return convertToStatus(mSensors->injectSensorData(ev));
	}

	status_t AidlSensorHalWrapper::registerDirectChannel(const sensors_direct_mem_t *memory,
	int32_t *channelHandle) {
	if (mSensors == nullptr) return NO_INIT;

	ISensors::SharedMemInfo::SharedMemType type;
	switch (memory->type) {
	case SENSOR_DIRECT_MEM_TYPE_ASHMEM:
	type = ISensors::SharedMemInfo::SharedMemType::ASHMEM;
	break;
	case SENSOR_DIRECT_MEM_TYPE_GRALLOC:
	type = ISensors::SharedMemInfo::SharedMemType::GRALLOC;
	break;
	default:
	return BAD_VALUE;
	}

	if (memory->format != SENSOR_DIRECT_FMT_SENSORS_EVENT) {
	return BAD_VALUE;
	}
	ISensors::SharedMemInfo::SharedMemFormat format =
	ISensors::SharedMemInfo::SharedMemFormat::SENSORS_EVENT;

	ISensors::SharedMemInfo mem = {
	.type = type,
	.format = format,
	.size = static_cast<int32_t>(memory->size),
	.memoryHandle = dupToAidl(memory->handle),
	};

	return convertToStatus(mSensors->registerDirectChannel(mem, channelHandle));
	}

	status_t AidlSensorHalWrapper::unregisterDirectChannel(int32_t channelHandle) {
	if (mSensors == nullptr) return NO_INIT;
	return convertToStatus(mSensors->unregisterDirectChannel(channelHandle));
	}

	status_t AidlSensorHalWrapper::configureDirectChannel(int32_t sensorHandle, int32_t channelHandle,
	const struct sensors_direct_cfg_t *config) {
	if (mSensors == nullptr) return NO_INIT;

	ISensors::RateLevel rate;
	switch (config->rate_level) {
	case SENSOR_DIRECT_RATE_STOP:
	rate = ISensors::RateLevel::STOP;
	break;
	case SENSOR_DIRECT_RATE_NORMAL:
	rate = ISensors::RateLevel::NORMAL;
	break;
	case SENSOR_DIRECT_RATE_FAST:
	rate = ISensors::RateLevel::FAST;
	break;
	case SENSOR_DIRECT_RATE_VERY_FAST:
	rate = ISensors::RateLevel::VERY_FAST;
	break;
	default:
	return BAD_VALUE;
	}

	int32_t token;
	status_t status = convertToStatus(
	mSensors->configDirectReport(sensorHandle, channelHandle, rate, &token));
	if (status == OK && rate != ISensors::RateLevel::STOP) {
	status = static_cast<status_t>(token);
	}
	return status;
	}

	void AidlSensorHalWrapper::writeWakeLockHandled(uint32_t count) {
	int signedCount = (int)count;
	if (mWakeLockQueue->write(&signedCount)) {
	mWakeLockQueueFlag->wake(asBaseType(ISensors::WAKE_LOCK_QUEUE_FLAG_BITS_DATA_WRITTEN));
	} else {
	ALOGW("Failed to write wake lock handled");
	}
	}

	} // namespace android