SensorService.h revision 5466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2
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> 2756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#include <utils/AndroidThreads.h> 28fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/RefBase.h> 2956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#include <utils/Looper.h> 30fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 31fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <binder/BinderService.h> 32fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 33fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/Sensor.h> 34b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian#include <gui/BitTube.h> 35fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorServer.h> 36fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorEventConnection.h> 37fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 38f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "SensorInterface.h" 39f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 40fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 41fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 42a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian#define DEBUG_CONNECTIONS false 4356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella// Max size is 100 KB which is enough to accept a batch of about 1000 events. 4456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#define MAX_SOCKET_BUFFER_SIZE_BATCHED 100 * 1024 4556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella// For older HALs which don't support batching, use a smaller socket buffer size. 464c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella#define SOCKET_BUFFER_SIZE_NON_BATCHED 4 * 1024 47a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian 48fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_poll_device_t; 49fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_module_t; 50fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 51fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiannamespace android { 52fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 53fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 54fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianclass SensorService : 55fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BinderService<SensorService>, 56fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BnSensorServer, 57fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian protected Thread 58fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 59b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian friend class BinderService<SensorService>; 60fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 61b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static const char* WAKE_LOCK_NAME; 627c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 63b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static char const* getServiceName() ANDROID_API { return "sensorservice"; } 64b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian SensorService() ANDROID_API; 65fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual ~SensorService(); 66fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 67fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual void onFirstRef(); 68fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 69fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // Thread interface 70fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual bool threadLoop(); 71fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 72fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // ISensorServer interface 73fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual Vector<Sensor> getSensorList(); 74fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual sp<ISensorEventConnection> createSensorEventConnection(); 75fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual status_t dump(int fd, const Vector<String16>& args); 76fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 7756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventConnection : public BnSensorEventConnection, public LooperCallback { 7856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella friend class SensorService; 797c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual ~SensorEventConnection(); 807c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual void onFirstRef(); 81b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian virtual sp<BitTube> getSensorChannel() const; 82724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs, 83724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t maxBatchReportLatencyNs, int reservedFlags); 84724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t setEventRate(int handle, nsecs_t samplingPeriodNs); 85701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella virtual status_t flush(); 864c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Count the number of flush complete events which are about to be dropped in the buffer. 874c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Increment mPendingFlushEventsToSend in mSensorInfo. These flush complete events will be 884c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // sent separately before the next batch of events. 89c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella void countFlushCompleteEventsLocked(sensors_event_t* scratch, int numEventsDropped); 907c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 916c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if there are any wake up events in the buffer. If yes, return the index of the 926c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // first wake_up sensor event in the buffer else return -1. This wake_up sensor event will 936c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // have the flag WAKE_UP_SENSOR_EVENT_NEEDS_ACK set. Exactly one event per packet will have 946c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // the wake_up flag set. SOCK_SEQPACKET ensures that either the entire packet is read or 956c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped. 966c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int findWakeUpSensorEventLocked(sensors_event_t const* scratch, int count); 976c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 986c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Send pending flush_complete events. There may have been flush_complete_events that are 996c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped which need to be sent separately before other events. On older HALs (1_0) this 1006c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // method emulates the behavior of flush(). 1016c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void sendPendingFlushEventsLocked(); 10256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 10356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Writes events from mEventCache to the socket. 10456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella void writeToSocketFromCacheLocked(); 10556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 10656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Compute the approximate cache size from the FIFO sizes of various sensors registered for 10756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // this connection. Wake up and non-wake up sensors have separate FIFOs but FIFO may be 10856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // shared amongst wake-up sensors and non-wake up sensors. 10956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int computeMaxCacheSizeLocked() const; 11056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 1116c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // When more sensors register, the maximum cache size desired may change. Compute max cache 1126c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // size, reallocate memory and copy over events from the older cache. 1136c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void reAllocateCacheLocked(sensors_event_t const* scratch, int count); 1146c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 11556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // LooperCallback method. If there is data to read on this fd, it is an ack from the 11656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // app that it has read events from a wake up sensor, decrement mWakeLockRefCount. 11756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // If this fd is available for writing send the data from the cache. 11856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual int handleEvent(int fd, int events, void* data); 1199a844cf78f09953145200b4074d47589257a408cAravind Akella 120fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian sp<SensorService> const mService; 1214c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sp<BitTube> mChannel; 1225307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t mUid; 12371d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian mutable Mutex mConnectionLock; 1249a844cf78f09953145200b4074d47589257a408cAravind Akella // Number of events from wake up sensors which are still pending and haven't been delivered 1259a844cf78f09953145200b4074d47589257a408cAravind Akella // to the corresponding application. It is incremented by one unit for each write to the 1269a844cf78f09953145200b4074d47589257a408cAravind Akella // socket. 1279a844cf78f09953145200b4074d47589257a408cAravind Akella int mWakeLockRefCount; 1287c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 1294c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella struct FlushInfo { 1304c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // The number of flush complete events dropped for this sensor is stored here. 1314c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // They are sent separately before the next batch of events. 1324c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella int mPendingFlushEventsToSend; 1334c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Every activate is preceded by a flush. Only after the first flush complete is 1344c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // received, the events for the sensor are sent on that *connection*. 1354c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella bool mFirstFlushPending; 1366c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella FlushInfo() : mPendingFlushEventsToSend(0), mFirstFlushPending(false) {} 1374c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella }; 1384c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // protected by SensorService::mLock. Key for this vector is the sensor handle. 1394c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella KeyedVector<int, FlushInfo> mSensorInfo; 14056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sensors_event_t *mEventCache; 14156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mCacheSize, mMaxCacheSize; 14256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 14356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 14456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mEventsReceived, mEventsSent, mEventsSentFromCache; 145e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella int mTotalAcksNeeded, mTotalAcksReceived; 14656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 1477c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 148fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 1495307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian SensorEventConnection(const sp<SensorService>& service, uid_t uid); 1507c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 151cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian status_t sendEvents(sensors_event_t const* buffer, size_t count, 1529a844cf78f09953145200b4074d47589257a408cAravind Akella sensors_event_t* scratch); 153fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasSensor(int32_t handle) const; 154fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasAnySensor() const; 1557c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addSensor(int32_t handle); 1567c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool removeSensor(int32_t handle); 1574c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void setFirstFlushPending(int32_t handle, bool value); 1584c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void dump(String8& result); 1599a844cf78f09953145200b4074d47589257a408cAravind Akella bool needsWakeLock(); 1605307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian 1615307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t getUid() const { return mUid; } 162fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 163fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 164fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian class SensorRecord { 165fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mConnections; 1666c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // A queue of all flush() calls made on this sensor. Flush complete events will be 1676c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // sent in this order. 1686c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella Vector< wp<SensorEventConnection> > mPendingFlushConnections; 169fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 170fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord(const sp<SensorEventConnection>& connection); 1717c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addConnection(const sp<SensorEventConnection>& connection); 172fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool removeConnection(const wp<SensorEventConnection>& connection); 173fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian size_t getNumConnections() const { return mConnections.size(); } 1746c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 1756c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void addPendingFlushConnection(const sp<SensorEventConnection>& connection); 1766c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void removeFirstPendingFlushConnection(); 1776c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorEventConnection * getFirstPendingFlushConnection(); 178fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 179fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 18056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventAckReceiver : public Thread { 18156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<SensorService> const mService; 18256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella public: 18356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual bool threadLoop(); 18456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella SensorEventAckReceiver(const sp<SensorService>& service): mService(service) {} 18556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella }; 18656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 187f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian String8 getSensorName(int handle) const; 188b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella bool isVirtualSensor(int handle) const; 189700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Sensor getSensorFromHandle(int handle) const; 1909a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensor(int type) const; 1919a844cf78f09953145200b4074d47589257a408cAravind Akella void recordLastValueLocked(const sensors_event_t* buffer, size_t count); 192f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static void sortEventBuffer(sensors_event_t* buffer, size_t count); 1930319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerSensor(SensorInterface* sensor); 1940319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerVirtualSensor(SensorInterface* sensor); 195ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisable( 196ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 197ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisableLocked( 198ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 1999a844cf78f09953145200b4074d47589257a408cAravind Akella void cleanupAutoDisabledSensorLocked(const sp<SensorEventConnection>& connection, 200b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian sensors_event_t const* buffer, const int count); 201700180487ffec09d9df1657b018a7caadac24b75Aravind Akella static bool canAccessSensor(const Sensor& sensor); 202700180487ffec09d9df1657b018a7caadac24b75Aravind Akella static bool verifyCanAccessSensor(const Sensor& sensor, const char* operation); 2039a844cf78f09953145200b4074d47589257a408cAravind Akella // SensorService acquires a partial wakelock for delivering events from wake up sensors. This 2049a844cf78f09953145200b4074d47589257a408cAravind Akella // method checks whether all the events from these wake up sensors have been delivered to the 2059a844cf78f09953145200b4074d47589257a408cAravind Akella // corresponding applications, if yes the wakelock is released. 2069a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockState(); 2079a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockStateLocked(); 2089a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensorEvent(const sensors_event_t& event) const; 20956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 2106c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorRecord * getSensorRecord(int handle); 2116c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 21256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> getLooper() const; 21356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 214fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // constants 215fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Vector<Sensor> mSensorList; 21633264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian Vector<Sensor> mUserSensorListDebug; 217010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian Vector<Sensor> mUserSensorList; 218f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mSensorMap; 219f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian Vector<SensorInterface *> mVirtualSensorList; 22050df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian status_t mInitCheck; 2215466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Socket buffersize used to initialize BitTube. This size depends on whether batching is 2225466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // supported or not. 2234c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella size_t mSocketBufferSize; 22456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> mLooper; 225fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 226fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // protected by mLock 227fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mutable Mutex mLock; 228fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian DefaultKeyedVector<int, SensorRecord*> mActiveSensors; 229f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mActiveVirtualSensors; 230fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mActiveConnections; 2319a844cf78f09953145200b4074d47589257a408cAravind Akella bool mWakeLockAcquired; 232fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 2333560fb24b668675627934356f210d84d19bf4e56Mathias Agopian // The size of this vector is constant, only the items are mutable 2343560fb24b668675627934356f210d84d19bf4e56Mathias Agopian KeyedVector<int32_t, sensors_event_t> mLastEventSeen; 2353560fb24b668675627934356f210d84d19bf4e56Mathias Agopian 236fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianpublic: 237db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian void cleanupConnection(SensorEventConnection* connection); 238724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t enable(const sp<SensorEventConnection>& connection, int handle, 239724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags); 240fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t disable(const sp<SensorEventConnection>& connection, int handle); 2417c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian status_t setEventRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns); 242724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t flushSensor(const sp<SensorEventConnection>& connection, int handle); 243fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; 244fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 245fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 246fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 247fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 248fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#endif // ANDROID_SENSOR_SERVICE_H 249