Prep ISensorsWrapper to be used by the framework (32895908) · Commits · e / os / android_hardware_interfaces

sensors/common/utils/ISensorsWrapper.h

+158 −85

Original line number	Diff line number	Diff line
		@@ -18,23 +18,19 @@
		#define ANDROID_HARDWARE_SENSORS_V2_1_ISENSORSWRAPPER_H

		#include "EventMessageQueueWrapper.h"
		#include "convertV2_1.h"

		#include <android/hardware/sensors/2.1/ISensors.h>
		#include <android/hardware/sensors/2.1/types.h>
		#include <binder/IBinder.h>
		#include <fmq/MessageQueue.h>
		#include <hidl/MQDescriptor.h>
		#include <hidl/Status.h>
		#include <log/log.h>

		#include <atomic>

		/**
		* ISensorsWrapperBase wraps around the V2_1::ISensors APIs to make any HAL 2.0/2.1 interface
		* appear as a HAL 2.1 implementation. This ensures the maximum amount of code can be shared
		* between VTS, default implementations, and the sensors framework.
		*/
		#include "ISensorsWrapper.h"

		#include "android/hardware/sensors/1.0/ISensors.h"
		#include "android/hardware/sensors/1.0/types.h"
		#include "android/hardware/sensors/2.0/ISensors.h"
		#include "android/hardware/sensors/2.0/ISensorsCallback.h"
		#include "android/hardware/sensors/2.1/ISensors.h"
		#include "android/hardware/sensors/2.1/ISensorsCallback.h"
		#include "android/hardware/sensors/2.1/types.h"

		#include <utils/LightRefBase.h>

		#include <cassert>

		namespace android {
		namespace hardware {
		@@ -42,135 +38,212 @@ namespace sensors {
		namespace V2_1 {
		namespace implementation {

		using ::android::sp;
		using ::android::hardware::MessageQueue;
		using ::android::hardware::MQDescriptorSync;
		using ::android::hardware::Return;
		using ::android::hardware::Void;
		using ::android::hardware::sensors::V1_0::ISensors;
		using ::android::hardware::sensors::V1_0::OperationMode;
		using ::android::hardware::sensors::V1_0::RateLevel;
		using ::android::hardware::sensors::V1_0::Result;
		using ::android::hardware::sensors::V1_0::SharedMemInfo;
		using ::android::hardware::sensors::V2_1::Event;
		using ::android::hardware::sensors::V2_1::ISensorsCallback;

		// TODO: Look into providing this as a param if it needs to be a different value
		// than the framework.
		static constexpr size_t MAX_RECEIVE_BUFFER_EVENT_COUNT = 256;

		class ISensorsWrapperBase : public RefBase {
		/*
		* The ISensorsWrapper interface includes all function from supported Sensors HAL versions. This
		* allows for the SensorDevice to use the ISensorsWrapper interface to interact with the Sensors
		* HAL regardless of the current version of the Sensors HAL that is loaded. Each concrete
		* instantiation of ISensorsWrapper must correspond to a specific Sensors HAL version. This design
		* is beneficial because only the functions that change between Sensors HAL versions must be newly
		* implemented, any previously implemented function that does not change may remain the same.
		*
		* Functions that exist across all versions of the Sensors HAL should be implemented as pure
		* virtual functions which forces the concrete instantiations to implement the functions.
		*
		* Functions that do not exist across all versions of the Sensors HAL should include a default
		* implementation that generates an error if called. The default implementation should never
		* be called and must be overridden by Sensors HAL versions that support the function.
		*/
		class ISensorsWrapperBase : public VirtualLightRefBase {
		public:
		virtual ~ISensorsWrapperBase() {}
		virtual bool supportsPolling() const = 0;

		virtual bool supportsMessageQueues() const = 0;

		virtual void linkToDeath(android::sp<android::hardware::hidl_death_recipient> deathRecipient,
		uint64_t cookie) = 0;

		virtual Return<void> getSensorsList(
		::android::hardware::sensors::V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) = 0;

		virtual Return<Result> setOperationMode(OperationMode mode) = 0;

		virtual Return<Result> activate(int32_t sensorHandle, bool enabled) = 0;

		virtual Return<Result> batch(int32_t sensorHandle, int64_t samplingPeriodNs,
		int64_t maxReportLatencyNs) = 0;

		virtual Return<Result> flush(int32_t sensorHandle) = 0;

		virtual EventMessageQueueWrapperBase& getEventQueue() = 0;
		virtual Return<void> getSensorsList(V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) = 0;
		virtual Return<Result> injectSensorData(const V2_1::Event& event) = 0;
		virtual Return<Result> initialize(
		const ::android::hardware::MQDescriptorSync<uint32_t>& wakeLockDescriptor,
		const sp<V2_1::ISensorsCallback>& sensorsCallback) = 0;
		virtual Return<Result> injectSensorData(const Event& event) = 0;

		virtual Return<void> registerDirectChannel(const SharedMemInfo& mem,
		ISensors::registerDirectChannel_cb _hidl_cb) = 0;

		virtual Return<Result> unregisterDirectChannel(int32_t channelHandle) = 0;

		virtual Return<void> configDirectReport(int32_t sensorHandle, int32_t channelHandle,
		RateLevel rate,
		ISensors::configDirectReport_cb _hidl_cb) = 0;

		virtual Return<void> poll(int32_t /* maxCount /, ISensors::poll_cb / _hidl_cb */) {
		// Enforce this method is never invoked as it should be overridden if it's meant to be used.
		assert(false);
		return Return<void>();
		}

		virtual EventMessageQueueWrapperBase* getEventQueue() { return nullptr; }

		virtual Return<Result> initialize(const MQDescriptorSync<uint32_t>& /* wakeLockDesc */,
		const ::android::sp<ISensorsCallback>& /* callback */) {
		// Enforce this method is never invoked as it should be overridden if it's meant to be used.
		assert(false);
		return Result::INVALID_OPERATION;
		}
		};

		template <typename T>
		class SensorsWrapperBase : public ISensorsWrapperBase {
		public:
		SensorsWrapperBase(sp<T> sensors) : mSensors(sensors){};

		// V2_0::ISensors implementation
		void linkToDeath(android::sp<android::hardware::hidl_death_recipient> deathRecipient,
		uint64_t cookie) {
		getSensors()->linkToDeath(deathRecipient, cookie);
		uint64_t cookie) override {
		mSensors->linkToDeath(deathRecipient, cookie);
		}

		virtual Return<void> getSensorsList(
		::android::hardware::sensors::V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) override {
		return mSensors->getSensorsList(
		[&](const auto& list) { _hidl_cb(convertToNewSensorInfos(list)); });
		}

		Return<Result> activate(int32_t sensorHandle, bool enabled) {
		return getSensors()->activate(sensorHandle, enabled);
		Return<Result> setOperationMode(OperationMode mode) override {
		return mSensors->setOperationMode(mode);
		}

		Return<Result> activate(int32_t sensorHandle, bool enabled) override {
		return mSensors->activate(sensorHandle, enabled);
		}

		Return<Result> batch(int32_t sensorHandle, int64_t samplingPeriodNs,
		int64_t maxReportLatencyNs) {
		return getSensors()->batch(sensorHandle, samplingPeriodNs, maxReportLatencyNs);
		int64_t maxReportLatencyNs) override {
		return mSensors->batch(sensorHandle, samplingPeriodNs, maxReportLatencyNs);
		}

		Return<Result> flush(int32_t sensorHandle) { return getSensors()->flush(sensorHandle); }
		Return<Result> flush(int32_t sensorHandle) override { return mSensors->flush(sensorHandle); }

		virtual Return<Result> injectSensorData(const Event& event) override {
		return mSensors->injectSensorData(convertToOldEvent(event));
		}

		Return<void> registerDirectChannel(const SharedMemInfo& mem,
		V2_0::ISensors::registerDirectChannel_cb _hidl_cb) {
		return getSensors()->registerDirectChannel(mem, _hidl_cb);
		ISensors::registerDirectChannel_cb _hidl_cb) override {
		return mSensors->registerDirectChannel(mem, _hidl_cb);
		}

		Return<Result> unregisterDirectChannel(int32_t channelHandle) {
		return getSensors()->unregisterDirectChannel(channelHandle);
		Return<Result> unregisterDirectChannel(int32_t channelHandle) override {
		return mSensors->unregisterDirectChannel(channelHandle);
		}

		Return<void> configDirectReport(int32_t sensorHandle, int32_t channelHandle, RateLevel rate,
		V2_0::ISensors::configDirectReport_cb _hidl_cb) {
		return getSensors()->configDirectReport(sensorHandle, channelHandle, rate, _hidl_cb);
		ISensors::configDirectReport_cb _hidl_cb) override {
		return mSensors->configDirectReport(sensorHandle, channelHandle, rate, _hidl_cb);
		}

		Return<Result> setOperationMode(OperationMode mode) {
		return getSensors()->setOperationMode(mode);
		}
		protected:
		sp<T> mSensors;
		};

		private:
		virtual V2_0::ISensors* getSensors() = 0;
		class ISensorsWrapperV1_0 : public SensorsWrapperBase<hardware::sensors::V1_0::ISensors> {
		public:
		ISensorsWrapperV1_0(sp<hardware::sensors::V1_0::ISensors> sensors)
		: SensorsWrapperBase(sensors){};

		bool supportsPolling() const override { return true; }

		bool supportsMessageQueues() const override { return false; }

		Return<void> poll(int32_t maxCount,
		hardware::sensors::V1_0::ISensors::poll_cb _hidl_cb) override {
		return mSensors->poll(maxCount, _hidl_cb);
		}
		};

		class ISensorsWrapperV2_0 : public ISensorsWrapperBase {
		class ISensorsWrapperV2_0 : public SensorsWrapperBase<hardware::sensors::V2_0::ISensors> {
		public:
		typedef MessageQueue<V1_0::Event, ::android::hardware::kSynchronizedReadWrite>
		typedef MessageQueue<::android::hardware::sensors::V1_0::Event,
		::android::hardware::kSynchronizedReadWrite>
		EventMessageQueue;

		ISensorsWrapperV2_0(sp<V2_0::ISensors>& sensors) : mSensors(sensors) {
		ISensorsWrapperV2_0(sp<hardware::sensors::V2_0::ISensors> sensors)
		: SensorsWrapperBase(sensors) {
		auto eventQueue = std::make_unique<EventMessageQueue>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
		true /* configureEventFlagWord */);
		mEventQueue = std::make_unique<EventMessageQueueWrapperV1_0>(eventQueue);
		}
		};

		EventMessageQueueWrapperBase& getEventQueue() override { return *mEventQueue; }
		bool supportsPolling() const override { return false; }

		Return<Result> initialize(
		const ::android::hardware::MQDescriptorSync<uint32_t>& wakeLockDescriptor,
		const sp<V2_1::ISensorsCallback>& sensorsCallback) override {
		return mSensors->initialize(*mEventQueue->getDesc(), wakeLockDescriptor, sensorsCallback);
		}
		bool supportsMessageQueues() const override { return true; }

		Return<void> getSensorsList(V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) override {
		return getSensors()->getSensorsList(
		[&](const auto& list) { _hidl_cb(convertToNewSensorInfos(list)); });
		}
		EventMessageQueueWrapperBase* getEventQueue() override { return mEventQueue.get(); }

		Return<Result> injectSensorData(const V2_1::Event& event) override {
		return mSensors->injectSensorData(convertToOldEvent(event));
		Return<Result> initialize(const MQDescriptorSync<uint32_t>& wakeLockDesc,
		const ::android::sp<ISensorsCallback>& callback) override {
		return mSensors->initialize(*mEventQueue->getDesc(), wakeLockDesc, callback);
		}

		private:
		V2_0::ISensors* getSensors() override { return mSensors.get(); }

		sp<V2_0::ISensors> mSensors;
		std::unique_ptr<EventMessageQueueWrapperV1_0> mEventQueue;
		};

		class ISensorsWrapperV2_1 : public ISensorsWrapperBase {
		class ISensorsWrapperV2_1 : public SensorsWrapperBase<hardware::sensors::V2_1::ISensors> {
		public:
		typedef MessageQueue<V2_1::Event, ::android::hardware::kSynchronizedReadWrite>
		EventMessageQueue;
		typedef MessageQueue<Event, ::android::hardware::kSynchronizedReadWrite> EventMessageQueueV2_1;

		ISensorsWrapperV2_1(sp<V2_1::ISensors>& sensors) : mSensors(sensors) {
		auto eventQueue = std::make_unique<EventMessageQueue>(MAX_RECEIVE_BUFFER_EVENT_COUNT,
		true /* configureEventFlagWord */);
		ISensorsWrapperV2_1(sp<hardware::sensors::V2_1::ISensors> sensors)
		: SensorsWrapperBase(sensors) {
		auto eventQueue = std::make_unique<EventMessageQueueV2_1>(
		MAX_RECEIVE_BUFFER_EVENT_COUNT, true /* configureEventFlagWord */);
		mEventQueue = std::make_unique<EventMessageQueueWrapperV2_1>(eventQueue);
		}
		};

		EventMessageQueueWrapperBase& getEventQueue() override { return *mEventQueue; }
		bool supportsPolling() const override { return false; }

		Return<Result> initialize(
		const ::android::hardware::MQDescriptorSync<uint32_t>& wakeLockDescriptor,
		const sp<V2_1::ISensorsCallback>& sensorsCallback) override {
		return mSensors->initialize_2_1(*mEventQueue->getDesc(), wakeLockDescriptor,
		sensorsCallback);
		}
		bool supportsMessageQueues() const override { return true; }

		EventMessageQueueWrapperBase* getEventQueue() override { return mEventQueue.get(); }

		Return<void> getSensorsList(V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) override {
		Return<void> getSensorsList(
		::android::hardware::sensors::V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) override {
		return mSensors->getSensorsList_2_1(_hidl_cb);
		}

		Return<Result> injectSensorData(const V2_1::Event& event) override {
		Return<Result> injectSensorData(const Event& event) override {
		return mSensors->injectSensorData_2_1(event);
		}

		private:
		V2_0::ISensors* getSensors() override { return mSensors.get(); }
		Return<Result> initialize(const MQDescriptorSync<uint32_t>& wakeLockDesc,
		const ::android::sp<ISensorsCallback>& callback) override {
		return mSensors->initialize_2_1(*mEventQueue->getDesc(), wakeLockDesc, callback);
		}

		sp<V2_1::ISensors> mSensors;
		private:
		std::unique_ptr<EventMessageQueueWrapperV2_1> mEventQueue;
		};

sensors/common/vts/2_X/SensorsHidlEnvironmentV2_X.cpp

+4 −4

Original line number	Diff line number	Diff line
		@@ -67,7 +67,7 @@ bool SensorsHidlEnvironmentV2_X::resetHal() {
		}

		EventFlag::deleteEventFlag(&mEventQueueFlag);
		EventFlag::createEventFlag(mSensors->getEventQueue().getEventFlagWord(), &mEventQueueFlag);
		EventFlag::createEventFlag(mSensors->getEventQueue()->getEventFlagWord(), &mEventQueueFlag);
		if (mEventQueueFlag == nullptr) {
		break;
		}
		@@ -124,18 +124,18 @@ void SensorsHidlEnvironmentV2_X::startPollingThread() {
		}

		void SensorsHidlEnvironmentV2_X::readEvents() {
		size_t availableEvents = mSensors->getEventQueue().availableToRead();
		size_t availableEvents = mSensors->getEventQueue()->availableToRead();

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

		mEventQueueFlag->wait(asBaseType(EventQueueFlagBits::READ_AND_PROCESS), &eventFlagState);
		availableEvents = mSensors->getEventQueue().availableToRead();
		availableEvents = mSensors->getEventQueue()->availableToRead();
		}

		size_t eventsToRead = std::min(availableEvents, mEventBuffer.size());
		if (eventsToRead > 0) {
		if (mSensors->getEventQueue().read(mEventBuffer.data(), eventsToRead)) {
		if (mSensors->getEventQueue()->read(mEventBuffer.data(), eventsToRead)) {
		mEventQueueFlag->wake(asBaseType(EventQueueFlagBits::EVENTS_READ));
		for (size_t i = 0; i < eventsToRead; i++) {
		addEvent(mEventBuffer[i]);