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/*
* Copyright (C) 2019 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 "V2_0/ScopedWakelock.h"
#include "V2_0/SubHal.h"
#include "V2_1/SubHal.h"
#include "convertV2_1.h"
#include <android/hardware/sensors/2.1/ISensors.h>
#include <android/hardware/sensors/2.1/types.h>
#include <log/log.h>
namespace android {
namespace hardware {
namespace sensors {
namespace V2_0 {
namespace implementation {
/**
* Interface used to communicate with the HalProxy when subHals interact with their provided
* callback.
*/
class ISubHalCallback {
public:
virtual ~ISubHalCallback() {}
// Below methods from ::android::hardware::sensors::V2_0::ISensorsCallback with a minor change
// to pass in the sub-HAL index. While the above methods are invoked from the sensors framework
// via the binder, these methods are invoked from a callback provided to sub-HALs inside the
// same process as the HalProxy, but potentially running on different threads.
virtual Return<void> onDynamicSensorsConnected(
const hidl_vec<V2_1::SensorInfo>& dynamicSensorsAdded, int32_t subHalIndex) = 0;
virtual Return<void> onDynamicSensorsDisconnected(
const hidl_vec<int32_t>& dynamicSensorHandlesRemoved, int32_t subHalIndex) = 0;
/**
* Post events to the event message queue if there is room to write them. Otherwise post the
* remaining events to a background thread for a blocking write with a kPendingWriteTimeoutNs
* timeout.
*
* @param events The list of events to post to the message queue.
* @param numWakeupEvents The number of wakeup events in events.
* @param wakelock The wakelock associated with this post of events.
*/
virtual void postEventsToMessageQueue(const std::vector<V2_1::Event>& events,
size_t numWakeupEvents,
V2_0::implementation::ScopedWakelock wakelock) = 0;
/**
* Get the sensor info associated with that sensorHandle.
*
* @param sensorHandle The sensor handle.
*
* @return The sensor info object in the mapping.
*/
virtual const V2_1::SensorInfo& getSensorInfo(int32_t sensorHandle) = 0;
virtual bool areThreadsRunning() = 0;
};
/**
* Callback class given to subhals that allows the HalProxy to know which subhal a given invocation
* is coming from.
*/
class HalProxyCallbackBase : public VirtualLightRefBase {
public:
HalProxyCallbackBase(ISubHalCallback* callback,
V2_0::implementation::IScopedWakelockRefCounter* refCounter,
int32_t subHalIndex)
: mCallback(callback), mRefCounter(refCounter), mSubHalIndex(subHalIndex) {}
void postEvents(const std::vector<V2_1::Event>& events,
V2_0::implementation::ScopedWakelock wakelock);
V2_0::implementation::ScopedWakelock createScopedWakelock(bool lock);
protected:
ISubHalCallback* mCallback;
V2_0::implementation::IScopedWakelockRefCounter* mRefCounter;
int32_t mSubHalIndex;
private:
std::vector<V2_1::Event> processEvents(const std::vector<V2_1::Event>& events,
size_t* numWakeupEvents) const;
};
class HalProxyCallbackV2_0 : public HalProxyCallbackBase,
public V2_0::implementation::IHalProxyCallback {
public:
HalProxyCallbackV2_0(ISubHalCallback* callback,
V2_0::implementation::IScopedWakelockRefCounter* refCounter,
int32_t subHalIndex)
: HalProxyCallbackBase(callback, refCounter, subHalIndex) {}
Return<void> onDynamicSensorsConnected(
const hidl_vec<V1_0::SensorInfo>& dynamicSensorsAdded) override {
return mCallback->onDynamicSensorsConnected(
V2_1::implementation::convertToNewSensorInfos(dynamicSensorsAdded), mSubHalIndex);
}
Return<void> onDynamicSensorsDisconnected(
const hidl_vec<int32_t>& dynamicSensorHandlesRemoved) override {
return mCallback->onDynamicSensorsDisconnected(dynamicSensorHandlesRemoved, mSubHalIndex);
}
void postEvents(const std::vector<V1_0::Event>& events,
V2_0::implementation::ScopedWakelock wakelock) override {
HalProxyCallbackBase::postEvents(V2_1::implementation::convertToNewEvents(events),
std::move(wakelock));
}
V2_0::implementation::ScopedWakelock createScopedWakelock(bool lock) override {
return HalProxyCallbackBase::createScopedWakelock(lock);
}
};
class HalProxyCallbackV2_1 : public HalProxyCallbackBase,
public V2_1::implementation::IHalProxyCallback {
public:
HalProxyCallbackV2_1(ISubHalCallback* callback,
V2_0::implementation::IScopedWakelockRefCounter* refCounter,
int32_t subHalIndex)
: HalProxyCallbackBase(callback, refCounter, subHalIndex) {}
Return<void> onDynamicSensorsConnected_2_1(
const hidl_vec<V2_1::SensorInfo>& dynamicSensorsAdded) override {
return mCallback->onDynamicSensorsConnected(dynamicSensorsAdded, mSubHalIndex);
}
Return<void> onDynamicSensorsConnected(
const hidl_vec<V1_0::SensorInfo>& /* dynamicSensorsAdded */) override {
LOG_ALWAYS_FATAL("Old dynamic sensors method can't be used");
return Void();
}
Return<void> onDynamicSensorsDisconnected(
const hidl_vec<int32_t>& dynamicSensorHandlesRemoved) override {
return mCallback->onDynamicSensorsDisconnected(dynamicSensorHandlesRemoved, mSubHalIndex);
}
void postEvents(const std::vector<V2_1::Event>& events,
V2_0::implementation::ScopedWakelock wakelock) override {
return HalProxyCallbackBase::postEvents(events, std::move(wakelock));
}
V2_0::implementation::ScopedWakelock createScopedWakelock(bool lock) override {
return HalProxyCallbackBase::createScopedWakelock(lock);
}
};
} // namespace implementation
} // namespace V2_0
} // namespace sensors
} // namespace hardware
} // namespace android
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