SensorService.h revision 724d91d778e71c8186399f4955de14b54812b3ed
1fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian/* 2fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * Copyright (C) 2010 The Android Open Source Project 3fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * 4fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 5fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * you may not use this file except in compliance with the License. 6fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * You may obtain a copy of the License at 7fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * 8fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 9fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * 10fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * Unless required by applicable law or agreed to in writing, software 11fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 12fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * See the License for the specific language governing permissions and 14fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian * limitations under the License. 15fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian */ 16fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 17fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#ifndef ANDROID_SENSOR_SERVICE_H 18fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#define ANDROID_SENSOR_SERVICE_H 19fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 20fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <stdint.h> 21fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <sys/types.h> 22fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 23fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/Vector.h> 24fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/SortedVector.h> 25fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/KeyedVector.h> 26fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/threads.h> 27fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/RefBase.h> 28fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 29fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <binder/BinderService.h> 30fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 31fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/Sensor.h> 32b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian#include <gui/BitTube.h> 33fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorServer.h> 34fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorEventConnection.h> 35fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 36f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "SensorInterface.h" 37f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 38fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 39fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 40a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian#define DEBUG_CONNECTIONS false 41a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian 42fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_poll_device_t; 43fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_module_t; 44fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 45fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiannamespace android { 46fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 47fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 48fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianclass SensorService : 49fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BinderService<SensorService>, 50fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BnSensorServer, 51fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian protected Thread 52fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 53b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian friend class BinderService<SensorService>; 54fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 55b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static const char* WAKE_LOCK_NAME; 567c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 57b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static char const* getServiceName() ANDROID_API { return "sensorservice"; } 58b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian SensorService() ANDROID_API; 59fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual ~SensorService(); 60fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 61fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual void onFirstRef(); 62fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 63fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // Thread interface 64fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual bool threadLoop(); 65fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 66fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // ISensorServer interface 67fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual Vector<Sensor> getSensorList(); 68fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual sp<ISensorEventConnection> createSensorEventConnection(); 69fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual status_t dump(int fd, const Vector<String16>& args); 70fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 71fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 72fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian class SensorEventConnection : public BnSensorEventConnection { 737c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual ~SensorEventConnection(); 747c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual void onFirstRef(); 75b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian virtual sp<BitTube> getSensorChannel() const; 76724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs, 77724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t maxBatchReportLatencyNs, int reservedFlags); 78724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t setEventRate(int handle, nsecs_t samplingPeriodNs); 79724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t flushSensor(int handle); 807c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 81fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian sp<SensorService> const mService; 82b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian sp<BitTube> const mChannel; 835307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t mUid; 8471d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian mutable Mutex mConnectionLock; 857c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 86f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // protected by SensorService::mLock 87f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SortedVector<int> mSensorInfo; 887c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 89fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 905307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian SensorEventConnection(const sp<SensorService>& service, uid_t uid); 917c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 92cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian status_t sendEvents(sensors_event_t const* buffer, size_t count, 933560fb24b668675627934356f210d84d19bf4e56Mathias Agopian sensors_event_t* scratch = NULL); 94fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasSensor(int32_t handle) const; 95fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasAnySensor() const; 967c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addSensor(int32_t handle); 977c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool removeSensor(int32_t handle); 985307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian 995307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t getUid() const { return mUid; } 100fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 101fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 102fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian class SensorRecord { 103fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mConnections; 104fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 105fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord(const sp<SensorEventConnection>& connection); 1067c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addConnection(const sp<SensorEventConnection>& connection); 107fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool removeConnection(const wp<SensorEventConnection>& connection); 108fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian size_t getNumConnections() const { return mConnections.size(); } 109fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 110fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 111fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > getActiveConnections() const; 112f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> getActiveVirtualSensors() const; 113fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 114f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian String8 getSensorName(int handle) const; 11594e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian void recordLastValue(sensors_event_t const * buffer, size_t count); 116f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static void sortEventBuffer(sensors_event_t* buffer, size_t count); 1170319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerSensor(SensorInterface* sensor); 1180319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerVirtualSensor(SensorInterface* sensor); 119ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisable( 120ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 121ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisableLocked( 122ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 1234342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh void cleanupAutoDisabledSensor(const sp<SensorEventConnection>& connection, 124b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian sensors_event_t const* buffer, const int count); 12594e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 126fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // constants 127fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Vector<Sensor> mSensorList; 12833264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian Vector<Sensor> mUserSensorListDebug; 129010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian Vector<Sensor> mUserSensorList; 130f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mSensorMap; 131f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian Vector<SensorInterface *> mVirtualSensorList; 13250df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian status_t mInitCheck; 133fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 134fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // protected by mLock 135fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mutable Mutex mLock; 136fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian DefaultKeyedVector<int, SensorRecord*> mActiveSensors; 137f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mActiveVirtualSensors; 138fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mActiveConnections; 139fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1403560fb24b668675627934356f210d84d19bf4e56Mathias Agopian // The size of this vector is constant, only the items are mutable 1413560fb24b668675627934356f210d84d19bf4e56Mathias Agopian KeyedVector<int32_t, sensors_event_t> mLastEventSeen; 1423560fb24b668675627934356f210d84d19bf4e56Mathias Agopian 143fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianpublic: 144db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian void cleanupConnection(SensorEventConnection* connection); 145724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t enable(const sp<SensorEventConnection>& connection, int handle, 146724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags); 147fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t disable(const sp<SensorEventConnection>& connection, int handle); 1487c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian status_t setEventRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns); 149724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t flushSensor(const sp<SensorEventConnection>& connection, int handle); 150fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; 151fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 152fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 153fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 154fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 155fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#endif // ANDROID_SENSOR_SERVICE_H 156