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hardware_samsung/aidl/sensors/include/EventMessageQueueWrapperAidl.h

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3.7 KiB

/*
* 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.
*/
#pragma once
#include <android/hardware/sensors/2.1/types.h>
#include <fmq/AidlMessageQueue.h>
#include "ConvertUtils.h"
#include "EventMessageQueueWrapper.h"
#include "ISensorsWrapper.h"
namespace aidl {
namespace android {
namespace hardware {
namespace sensors {
namespace implementation {
class EventMessageQueueWrapperAidl
: public ::android::hardware::sensors::V2_1::implementation::EventMessageQueueWrapperBase {
public:
EventMessageQueueWrapperAidl(
std::unique_ptr<::android::AidlMessageQueue<
::aidl::android::hardware::sensors::Event,
::aidl::android::hardware::common::fmq::SynchronizedReadWrite>>& queue)
: mQueue(std::move(queue)) {}
virtual std::atomic<uint32_t>* getEventFlagWord() override {
return mQueue->getEventFlagWord();
}
virtual size_t availableToRead() override { return mQueue->availableToRead(); }
size_t availableToWrite() override { return mQueue->availableToWrite(); }
virtual bool read(::android::hardware::sensors::V2_1::Event* events,
size_t numToRead) override {
bool success = mQueue->read(mIntermediateEventBuffer.data(), numToRead);
for (int i = 0; i < numToRead; ++i) {
convertToHidlEvent(mIntermediateEventBuffer[i], &events[i]);
}
return success;
}
bool write(const ::android::hardware::sensors::V2_1::Event* events,
size_t numToWrite) override {
for (int i = 0; i < numToWrite; ++i) {
convertToAidlEvent(events[i], &mIntermediateEventBuffer[i]);
}
return mQueue->write(mIntermediateEventBuffer.data(), numToWrite);
}
virtual bool write(
const std::vector<::android::hardware::sensors::V2_1::Event>& events) override {
for (int i = 0; i < events.size(); ++i) {
convertToAidlEvent(events[i], &mIntermediateEventBuffer[i]);
}
return mQueue->write(mIntermediateEventBuffer.data(), events.size());
}
bool writeBlocking(const ::android::hardware::sensors::V2_1::Event* events, size_t count,
uint32_t readNotification, uint32_t writeNotification, int64_t timeOutNanos,
::android::hardware::EventFlag* evFlag) override {
for (int i = 0; i < count; ++i) {
convertToAidlEvent(events[i], &mIntermediateEventBuffer[i]);
}
return mQueue->writeBlocking(mIntermediateEventBuffer.data(), count, readNotification,
writeNotification, timeOutNanos, evFlag);
}
size_t getQuantumCount() override { return mQueue->getQuantumCount(); }
private:
std::unique_ptr<::android::AidlMessageQueue<
::aidl::android::hardware::sensors::Event,
::aidl::android::hardware::common::fmq::SynchronizedReadWrite>>
mQueue;
std::array<::aidl::android::hardware::sensors::Event,
::android::hardware::sensors::V2_1::implementation::MAX_RECEIVE_BUFFER_EVENT_COUNT>
mIntermediateEventBuffer;
};
} // namespace implementation
} // namespace sensors
} // namespace hardware
} // namespace android
} // namespace aidl