/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_SENSOR_DIRECT_CONNECTION_H
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#define ANDROID_SENSOR_DIRECT_CONNECTION_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/BinderService.h>
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#include <sensor/Sensor.h>
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#include <sensor/BitTube.h>
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#include <sensor/ISensorServer.h>
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#include <sensor/ISensorEventConnection.h>
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#include "SensorService.h"
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namespace android {
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class SensorService;
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class BitTube;
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class SensorService::SensorDirectConnection: public BnSensorEventConnection {
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public:
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SensorDirectConnection(const sp<SensorService>& service, uid_t uid,
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const sensors_direct_mem_t *mem, int32_t halChannelHandle,
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const String16& opPackageName);
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void dump(String8& result) const;
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uid_t getUid() const { return mUid; }
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int32_t getHalChannelHandle() const;
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bool isEquivalent(const sensors_direct_mem_t *mem) const;
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// stop all active sensor report. if backupRecord is set to false,
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// those report can be recovered by recoverAll
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// called by SensorService when enter restricted mode
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void stopAll(bool backupRecord = false);
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// recover sensor reports previously stopped by stopAll(true)
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// called by SensorService when return to NORMAL mode.
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void recoverAll();
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protected:
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virtual ~SensorDirectConnection();
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// ISensorEventConnection functions
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virtual void onFirstRef();
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virtual sp<BitTube> getSensorChannel() const;
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virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs,
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nsecs_t maxBatchReportLatencyNs, int reservedFlags);
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virtual status_t setEventRate(int handle, nsecs_t samplingPeriodNs);
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virtual status_t flush();
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virtual int32_t configureChannel(int handle, int rateLevel);
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virtual void destroy();
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private:
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const sp<SensorService> mService;
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const uid_t mUid;
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const sensors_direct_mem_t mMem;
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const int32_t mHalChannelHandle;
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const String16 mOpPackageName;
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mutable Mutex mConnectionLock;
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std::unordered_map<int, int> mActivated;
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std::unordered_map<int, int> mActivatedBackup;
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mutable Mutex mDestroyLock;
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bool mDestroyed;
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};
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} // namepsace android
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#endif // ANDROID_SENSOR_DIRECT_CONNECTION_H
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