SensorService.h revision 9e3adfcebf28c5c76085108dffe98c74df56857d
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 489e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella// Flags for sensors_event_t.flag. Using only the most significant two bits for flags. 499e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella// MSB is to invalidate a sensor_event (typically a flush_complete_event) so that 509e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella// it won't be used by other connections. 519e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella// MSB 2nd bit is used to indicate whether the event needs to be acknowledged or not. 529e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella// This is typically used for WAKE_UP sensors. WAKE_UP_SENSOR_EVENT_NEEDS_ACK is defined 539e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella// in SensorEveneQueue.h 549e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella#define SENSOR_EVENT_INVALID_FLAG (1U << 31) 559e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella 56fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_poll_device_t; 57fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_module_t; 58fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 59fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiannamespace android { 60fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 61fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 62fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianclass SensorService : 63fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BinderService<SensorService>, 64fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BnSensorServer, 65fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian protected Thread 66fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 67b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian friend class BinderService<SensorService>; 68fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 69b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static const char* WAKE_LOCK_NAME; 707c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 71b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static char const* getServiceName() ANDROID_API { return "sensorservice"; } 72b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian SensorService() ANDROID_API; 73fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual ~SensorService(); 74fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 75fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual void onFirstRef(); 76fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 77fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // Thread interface 78fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual bool threadLoop(); 79fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 80fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // ISensorServer interface 81fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual Vector<Sensor> getSensorList(); 82fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual sp<ISensorEventConnection> createSensorEventConnection(); 83fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual status_t dump(int fd, const Vector<String16>& args); 84fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 8556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventConnection : public BnSensorEventConnection, public LooperCallback { 8656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella friend class SensorService; 877c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual ~SensorEventConnection(); 887c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual void onFirstRef(); 89b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian virtual sp<BitTube> getSensorChannel() const; 90724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs, 91724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t maxBatchReportLatencyNs, int reservedFlags); 92724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t setEventRate(int handle, nsecs_t samplingPeriodNs); 93701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella virtual status_t flush(); 944c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Count the number of flush complete events which are about to be dropped in the buffer. 954c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Increment mPendingFlushEventsToSend in mSensorInfo. These flush complete events will be 964c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // sent separately before the next batch of events. 97c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella void countFlushCompleteEventsLocked(sensors_event_t* scratch, int numEventsDropped); 987c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 996c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if there are any wake up events in the buffer. If yes, return the index of the 1006c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // first wake_up sensor event in the buffer else return -1. This wake_up sensor event will 1016c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // have the flag WAKE_UP_SENSOR_EVENT_NEEDS_ACK set. Exactly one event per packet will have 1026c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // the wake_up flag set. SOCK_SEQPACKET ensures that either the entire packet is read or 1036c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped. 1046c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int findWakeUpSensorEventLocked(sensors_event_t const* scratch, int count); 1056c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 1066c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Send pending flush_complete events. There may have been flush_complete_events that are 1076c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped which need to be sent separately before other events. On older HALs (1_0) this 1086c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // method emulates the behavior of flush(). 1096c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void sendPendingFlushEventsLocked(); 11056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 11156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Writes events from mEventCache to the socket. 11256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella void writeToSocketFromCacheLocked(); 11356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 11456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Compute the approximate cache size from the FIFO sizes of various sensors registered for 11556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // this connection. Wake up and non-wake up sensors have separate FIFOs but FIFO may be 11656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // shared amongst wake-up sensors and non-wake up sensors. 11756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int computeMaxCacheSizeLocked() const; 11856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 1196c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // When more sensors register, the maximum cache size desired may change. Compute max cache 1206c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // size, reallocate memory and copy over events from the older cache. 1216c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void reAllocateCacheLocked(sensors_event_t const* scratch, int count); 1226c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // LooperCallback method. If there is data to read on this fd, it is an ack from the 12456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // app that it has read events from a wake up sensor, decrement mWakeLockRefCount. 12556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // If this fd is available for writing send the data from the cache. 12656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual int handleEvent(int fd, int events, void* data); 1279a844cf78f09953145200b4074d47589257a408cAravind Akella 128fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian sp<SensorService> const mService; 1294c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sp<BitTube> mChannel; 1305307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t mUid; 13171d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian mutable Mutex mConnectionLock; 1329a844cf78f09953145200b4074d47589257a408cAravind Akella // Number of events from wake up sensors which are still pending and haven't been delivered 1339a844cf78f09953145200b4074d47589257a408cAravind Akella // to the corresponding application. It is incremented by one unit for each write to the 1349a844cf78f09953145200b4074d47589257a408cAravind Akella // socket. 1359a844cf78f09953145200b4074d47589257a408cAravind Akella int mWakeLockRefCount; 1367c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 1374c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella struct FlushInfo { 1384c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // The number of flush complete events dropped for this sensor is stored here. 1394c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // They are sent separately before the next batch of events. 1404c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella int mPendingFlushEventsToSend; 1414c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Every activate is preceded by a flush. Only after the first flush complete is 1424c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // received, the events for the sensor are sent on that *connection*. 1434c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella bool mFirstFlushPending; 1446c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella FlushInfo() : mPendingFlushEventsToSend(0), mFirstFlushPending(false) {} 1454c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella }; 1464c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // protected by SensorService::mLock. Key for this vector is the sensor handle. 1474c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella KeyedVector<int, FlushInfo> mSensorInfo; 14856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sensors_event_t *mEventCache; 14956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mCacheSize, mMaxCacheSize; 15056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 15156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 15256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mEventsReceived, mEventsSent, mEventsSentFromCache; 153e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella int mTotalAcksNeeded, mTotalAcksReceived; 15456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 1557c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 156fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 1575307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian SensorEventConnection(const sp<SensorService>& service, uid_t uid); 1587c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 1599e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella status_t sendEvents(sensors_event_t* buffer, size_t count, 1609a844cf78f09953145200b4074d47589257a408cAravind Akella sensors_event_t* scratch); 161fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasSensor(int32_t handle) const; 162fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasAnySensor() const; 1637c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addSensor(int32_t handle); 1647c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool removeSensor(int32_t handle); 1654c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void setFirstFlushPending(int32_t handle, bool value); 1664c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void dump(String8& result); 1679a844cf78f09953145200b4074d47589257a408cAravind Akella bool needsWakeLock(); 1685307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian 1695307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t getUid() const { return mUid; } 170fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 171fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 172fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian class SensorRecord { 173fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mConnections; 1746c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // A queue of all flush() calls made on this sensor. Flush complete events will be 1756c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // sent in this order. 1766c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella Vector< wp<SensorEventConnection> > mPendingFlushConnections; 177fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 178fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord(const sp<SensorEventConnection>& connection); 1797c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addConnection(const sp<SensorEventConnection>& connection); 180fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool removeConnection(const wp<SensorEventConnection>& connection); 181fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian size_t getNumConnections() const { return mConnections.size(); } 1826c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 1836c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void addPendingFlushConnection(const sp<SensorEventConnection>& connection); 1846c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void removeFirstPendingFlushConnection(); 1856c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorEventConnection * getFirstPendingFlushConnection(); 186fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 187fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 18856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventAckReceiver : public Thread { 18956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<SensorService> const mService; 19056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella public: 19156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual bool threadLoop(); 19256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella SensorEventAckReceiver(const sp<SensorService>& service): mService(service) {} 19356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella }; 19456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 195f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian String8 getSensorName(int handle) const; 196b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella bool isVirtualSensor(int handle) const; 197700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Sensor getSensorFromHandle(int handle) const; 1989a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensor(int type) const; 1999a844cf78f09953145200b4074d47589257a408cAravind Akella void recordLastValueLocked(const sensors_event_t* buffer, size_t count); 200f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static void sortEventBuffer(sensors_event_t* buffer, size_t count); 2010319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerSensor(SensorInterface* sensor); 2020319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerVirtualSensor(SensorInterface* sensor); 203ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisable( 204ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 205ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisableLocked( 206ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 2079a844cf78f09953145200b4074d47589257a408cAravind Akella void cleanupAutoDisabledSensorLocked(const sp<SensorEventConnection>& connection, 208b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian sensors_event_t const* buffer, const int count); 209700180487ffec09d9df1657b018a7caadac24b75Aravind Akella static bool canAccessSensor(const Sensor& sensor); 210700180487ffec09d9df1657b018a7caadac24b75Aravind Akella static bool verifyCanAccessSensor(const Sensor& sensor, const char* operation); 2119a844cf78f09953145200b4074d47589257a408cAravind Akella // SensorService acquires a partial wakelock for delivering events from wake up sensors. This 2129a844cf78f09953145200b4074d47589257a408cAravind Akella // method checks whether all the events from these wake up sensors have been delivered to the 2139a844cf78f09953145200b4074d47589257a408cAravind Akella // corresponding applications, if yes the wakelock is released. 2149a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockState(); 2159a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockStateLocked(); 2169a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensorEvent(const sensors_event_t& event) const; 21756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 2186c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorRecord * getSensorRecord(int handle); 2196c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 22056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> getLooper() const; 22156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 222fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // constants 223fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Vector<Sensor> mSensorList; 22433264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian Vector<Sensor> mUserSensorListDebug; 225010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian Vector<Sensor> mUserSensorList; 226f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mSensorMap; 227f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian Vector<SensorInterface *> mVirtualSensorList; 22850df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian status_t mInitCheck; 2295466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Socket buffersize used to initialize BitTube. This size depends on whether batching is 2305466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // supported or not. 2314c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella size_t mSocketBufferSize; 23256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> mLooper; 233fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 234fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // protected by mLock 235fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mutable Mutex mLock; 236fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian DefaultKeyedVector<int, SensorRecord*> mActiveSensors; 237f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mActiveVirtualSensors; 238fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mActiveConnections; 2399a844cf78f09953145200b4074d47589257a408cAravind Akella bool mWakeLockAcquired; 2403560fb24b668675627934356f210d84d19bf4e56Mathias Agopian // The size of this vector is constant, only the items are mutable 2413560fb24b668675627934356f210d84d19bf4e56Mathias Agopian KeyedVector<int32_t, sensors_event_t> mLastEventSeen; 2423560fb24b668675627934356f210d84d19bf4e56Mathias Agopian 243fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianpublic: 244db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian void cleanupConnection(SensorEventConnection* connection); 245724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t enable(const sp<SensorEventConnection>& connection, int handle, 246724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags); 247fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t disable(const sp<SensorEventConnection>& connection, int handle); 2487c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian status_t setEventRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns); 2499e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella status_t flushSensor(const sp<SensorEventConnection>& connection); 250fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; 251fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 252fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 253fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 254fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 255fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#endif // ANDROID_SENSOR_SERVICE_H 256