SensorService.h revision 18d6d51a00897988e3347b130f533e9ffdd8c365
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> 304949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella#include <utils/String8.h> 31fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 32fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <binder/BinderService.h> 33fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 34fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/Sensor.h> 35b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian#include <gui/BitTube.h> 36fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorServer.h> 37fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorEventConnection.h> 38fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 39f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "SensorInterface.h" 40f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 4172952efe5ce8ee10e3c591cc6d2a3475b7b91690Bernhard Rosenkränzer#if __clang__ 4272952efe5ce8ee10e3c591cc6d2a3475b7b91690Bernhard Rosenkränzer// Clang warns about SensorEventConnection::dump hiding BBinder::dump 4372952efe5ce8ee10e3c591cc6d2a3475b7b91690Bernhard Rosenkränzer// The cause isn't fixable without changing the API, so let's tell clang 4472952efe5ce8ee10e3c591cc6d2a3475b7b91690Bernhard Rosenkränzer// this is indeed intentional. 4572952efe5ce8ee10e3c591cc6d2a3475b7b91690Bernhard Rosenkränzer#pragma clang diagnostic ignored "-Woverloaded-virtual" 4672952efe5ce8ee10e3c591cc6d2a3475b7b91690Bernhard Rosenkränzer#endif 4772952efe5ce8ee10e3c591cc6d2a3475b7b91690Bernhard Rosenkränzer 48fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 49fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 50a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian#define DEBUG_CONNECTIONS false 5156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella// Max size is 100 KB which is enough to accept a batch of about 1000 events. 5256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#define MAX_SOCKET_BUFFER_SIZE_BATCHED 100 * 1024 5356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella// For older HALs which don't support batching, use a smaller socket buffer size. 544c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella#define SOCKET_BUFFER_SIZE_NON_BATCHED 4 * 1024 55a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian 56444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella#define CIRCULAR_BUF_SIZE 10 5718d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella#define SENSOR_REGISTRATIONS_BUF_SIZE 20 58444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 59fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_poll_device_t; 60fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstruct sensors_module_t; 61fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 62fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiannamespace android { 63fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 64fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 65fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianclass SensorService : 66fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BinderService<SensorService>, 67fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public BnSensorServer, 68fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian protected Thread 69fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 70b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian friend class BinderService<SensorService>; 71fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 724949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella enum Mode { 734949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // The regular operating mode where any application can register/unregister/call flush on 744949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // sensors. 754949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella NORMAL = 0, 76a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // This mode is only used for testing purposes. Not all HALs support this mode. In this 77a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // mode, the HAL ignores the sensor data provided by physical sensors and accepts the data 78a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // that is injected from the SensorService as if it were the real sensor data. This mode 79a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // is primarily used for testing various algorithms like vendor provided SensorFusion, 80a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // Step Counter and Step Detector etc. Typically in this mode, there will be a client 81a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // (a SensorEventConnection) which will be injecting sensor data into the HAL. Normal apps 82a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // can unregister and register for any sensor that supports injection. Registering to sensors 83a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // that do not support injection will give an error. 84a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // TODO(aakella) : Allow exactly one client to inject sensor data at a time. 85a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella DATA_INJECTION = 1, 864949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // This mode is used only for testing sensors. Each sensor can be tested in isolation with 874949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // the required sampling_rate and maxReportLatency parameters without having to think about 884949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // the data rates requested by other applications. End user devices are always expected to be 894949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // in NORMAL mode. When this mode is first activated, all active sensors from all connections 904949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // are disabled. Calling flush() will return an error. In this mode, only the requests from 914949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // selected apps whose package names are whitelisted are allowed (typically CTS apps). Only 92a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // these apps can register/unregister/call flush() on sensors. If SensorService switches to 934949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // NORMAL mode again, all sensors that were previously registered to are activated with the 944949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // corresponding paramaters if the application hasn't unregistered for sensors in the mean 954949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // time. 964949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // NOTE: Non whitelisted app whose sensors were previously deactivated may still receive 974949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // events if a whitelisted app requests data from the same sensor. 98a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella RESTRICTED = 2 99a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella 100a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // State Transitions supported. 101a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // RESTRICTED <--- NORMAL ---> DATA_INJECTION 102a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // ---> <--- 1034949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella }; 1044949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella 105b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static const char* WAKE_LOCK_NAME; 1067c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 107b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static char const* getServiceName() ANDROID_API { return "sensorservice"; } 108b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian SensorService() ANDROID_API; 109fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual ~SensorService(); 110fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 111fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual void onFirstRef(); 112fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 113fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // Thread interface 114fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual bool threadLoop(); 115fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 116fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // ISensorServer interface 117b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav virtual Vector<Sensor> getSensorList(const String16& opPackageName); 118a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName, 119b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav int requestedMode, const String16& opPackageName); 120a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella virtual status_t enableDataInjection(int enable); 121fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual status_t dump(int fd, const Vector<String16>& args); 122fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 12356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventConnection : public BnSensorEventConnection, public LooperCallback { 12456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella friend class SensorService; 1257c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual ~SensorEventConnection(); 1267c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual void onFirstRef(); 127b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian virtual sp<BitTube> getSensorChannel() const; 128724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs, 129724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t maxBatchReportLatencyNs, int reservedFlags); 130724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t setEventRate(int handle, nsecs_t samplingPeriodNs); 131701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella virtual status_t flush(); 1324c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Count the number of flush complete events which are about to be dropped in the buffer. 1334c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Increment mPendingFlushEventsToSend in mSensorInfo. These flush complete events will be 1344c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // sent separately before the next batch of events. 1350ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella void countFlushCompleteEventsLocked(sensors_event_t const* scratch, int numEventsDropped); 1367c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 1376c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if there are any wake up events in the buffer. If yes, return the index of the 1386c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // first wake_up sensor event in the buffer else return -1. This wake_up sensor event will 1396c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // have the flag WAKE_UP_SENSOR_EVENT_NEEDS_ACK set. Exactly one event per packet will have 1406c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // the wake_up flag set. SOCK_SEQPACKET ensures that either the entire packet is read or 1416c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped. 1426c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int findWakeUpSensorEventLocked(sensors_event_t const* scratch, int count); 1436c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 1446c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Send pending flush_complete events. There may have been flush_complete_events that are 1456c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped which need to be sent separately before other events. On older HALs (1_0) this 1466c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // method emulates the behavior of flush(). 1476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void sendPendingFlushEventsLocked(); 14856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 14956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Writes events from mEventCache to the socket. 150b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void writeToSocketFromCache(); 15156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 15256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Compute the approximate cache size from the FIFO sizes of various sensors registered for 15356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // this connection. Wake up and non-wake up sensors have separate FIFOs but FIFO may be 15456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // shared amongst wake-up sensors and non-wake up sensors. 15556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int computeMaxCacheSizeLocked() const; 15656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 1576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // When more sensors register, the maximum cache size desired may change. Compute max cache 1586c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // size, reallocate memory and copy over events from the older cache. 1596c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void reAllocateCacheLocked(sensors_event_t const* scratch, int count); 1606c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 16156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // LooperCallback method. If there is data to read on this fd, it is an ack from the 16256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // app that it has read events from a wake up sensor, decrement mWakeLockRefCount. 16356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // If this fd is available for writing send the data from the cache. 16456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual int handleEvent(int fd, int events, void* data); 1659a844cf78f09953145200b4074d47589257a408cAravind Akella 1668a96955c8e14db40b16164236830fc9506a00872Aravind Akella // Increment mPendingFlushEventsToSend for the given sensor handle. 1678a96955c8e14db40b16164236830fc9506a00872Aravind Akella void incrementPendingFlushCount(int32_t handle); 1688a96955c8e14db40b16164236830fc9506a00872Aravind Akella 1698a96955c8e14db40b16164236830fc9506a00872Aravind Akella // Add or remove the file descriptor associated with the BitTube to the looper. If mDead is 1708a96955c8e14db40b16164236830fc9506a00872Aravind Akella // set to true or there are no more sensors for this connection, the file descriptor is 1718a96955c8e14db40b16164236830fc9506a00872Aravind Akella // removed if it has been previously added to the Looper. Depending on the state of the 1728a96955c8e14db40b16164236830fc9506a00872Aravind Akella // connection FD may be added to the Looper. The flags to set are determined by the internal 1738a96955c8e14db40b16164236830fc9506a00872Aravind Akella // state of the connection. FDs are added to the looper when wake-up sensors are registered 1748a96955c8e14db40b16164236830fc9506a00872Aravind Akella // (to poll for acknowledgements) and when write fails on the socket when there are too many 1758a96955c8e14db40b16164236830fc9506a00872Aravind Akella // error and the other end hangs up or when this client unregisters for this connection. 1768a96955c8e14db40b16164236830fc9506a00872Aravind Akella void updateLooperRegistration(const sp<Looper>& looper); 1778a96955c8e14db40b16164236830fc9506a00872Aravind Akella void updateLooperRegistrationLocked(const sp<Looper>& looper); 1788a96955c8e14db40b16164236830fc9506a00872Aravind Akella 179fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian sp<SensorService> const mService; 1804c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sp<BitTube> mChannel; 1815307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t mUid; 18271d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian mutable Mutex mConnectionLock; 1839a844cf78f09953145200b4074d47589257a408cAravind Akella // Number of events from wake up sensors which are still pending and haven't been delivered 1849a844cf78f09953145200b4074d47589257a408cAravind Akella // to the corresponding application. It is incremented by one unit for each write to the 1859a844cf78f09953145200b4074d47589257a408cAravind Akella // socket. 1868a96955c8e14db40b16164236830fc9506a00872Aravind Akella uint32_t mWakeLockRefCount; 1878a96955c8e14db40b16164236830fc9506a00872Aravind Akella 1888a96955c8e14db40b16164236830fc9506a00872Aravind Akella // If this flag is set to true, it means that the file descriptor associated with the 1898a96955c8e14db40b16164236830fc9506a00872Aravind Akella // BitTube has been added to the Looper in SensorService. This flag is typically set when 1908a96955c8e14db40b16164236830fc9506a00872Aravind Akella // this connection has wake-up sensors associated with it or when write has failed on this 1918a96955c8e14db40b16164236830fc9506a00872Aravind Akella // connection and we're storing some events in the cache. 1928a96955c8e14db40b16164236830fc9506a00872Aravind Akella bool mHasLooperCallbacks; 1938a96955c8e14db40b16164236830fc9506a00872Aravind Akella // If there are any errors associated with the Looper this flag is set to true and 1948a96955c8e14db40b16164236830fc9506a00872Aravind Akella // mWakeLockRefCount is reset to zero. needsWakeLock method will always return false, if 1958a96955c8e14db40b16164236830fc9506a00872Aravind Akella // this flag is set. 1968a96955c8e14db40b16164236830fc9506a00872Aravind Akella bool mDead; 197a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella 198a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella bool mDataInjectionMode; 1994c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella struct FlushInfo { 2004c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // The number of flush complete events dropped for this sensor is stored here. 2014c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // They are sent separately before the next batch of events. 2024c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella int mPendingFlushEventsToSend; 2034c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Every activate is preceded by a flush. Only after the first flush complete is 2044c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // received, the events for the sensor are sent on that *connection*. 2054c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella bool mFirstFlushPending; 2066c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella FlushInfo() : mPendingFlushEventsToSend(0), mFirstFlushPending(false) {} 2074c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella }; 2084c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // protected by SensorService::mLock. Key for this vector is the sensor handle. 2094c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella KeyedVector<int, FlushInfo> mSensorInfo; 21056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sensors_event_t *mEventCache; 21156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mCacheSize, mMaxCacheSize; 2124949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella String8 mPackageName; 213b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16 mOpPackageName; 21456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 21556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mEventsReceived, mEventsSent, mEventsSentFromCache; 216e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella int mTotalAcksNeeded, mTotalAcksReceived; 21756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 2187c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 219fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 220a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella SensorEventConnection(const sp<SensorService>& service, uid_t uid, String8 packageName, 221b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav bool isDataInjectionMode, const String16& opPackageName); 2227c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 2230ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella status_t sendEvents(sensors_event_t const* buffer, size_t count, 2248493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t* scratch, 2258493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorEventConnection const * const * mapFlushEventsToConnections = NULL); 226fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasSensor(int32_t handle) const; 227fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasAnySensor() const; 2288493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella bool hasOneShotSensors() const; 2297c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addSensor(int32_t handle); 2307c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool removeSensor(int32_t handle); 2314c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void setFirstFlushPending(int32_t handle, bool value); 2324c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void dump(String8& result); 2339a844cf78f09953145200b4074d47589257a408cAravind Akella bool needsWakeLock(); 234b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void resetWakeLockRefCount(); 2354949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella String8 getPackageName() const; 2365307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian 2375307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t getUid() const { return mUid; } 238fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 239fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 240fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian class SensorRecord { 241fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mConnections; 2426c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // A queue of all flush() calls made on this sensor. Flush complete events will be 2436c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // sent in this order. 2446c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella Vector< wp<SensorEventConnection> > mPendingFlushConnections; 245fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 246fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord(const sp<SensorEventConnection>& connection); 2477c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addConnection(const sp<SensorEventConnection>& connection); 248fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool removeConnection(const wp<SensorEventConnection>& connection); 249fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian size_t getNumConnections() const { return mConnections.size(); } 2506c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 2516c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void addPendingFlushConnection(const sp<SensorEventConnection>& connection); 2526c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void removeFirstPendingFlushConnection(); 2536c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorEventConnection * getFirstPendingFlushConnection(); 2544949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella void clearAllPendingFlushConnections(); 255fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 256fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 25756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventAckReceiver : public Thread { 25856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<SensorService> const mService; 25956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella public: 26056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual bool threadLoop(); 26156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella SensorEventAckReceiver(const sp<SensorService>& service): mService(service) {} 26256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella }; 26356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 264444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // sensor_event_t with only the data and the timestamp. 265444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella struct TrimmedSensorEvent { 266444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella union { 267444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella float *mData; 268444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella uint64_t mStepCounter; 269444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella }; 270444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // Timestamp from the sensor_event. 271444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int64_t mTimestamp; 272444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // HH:MM:SS local time at which this sensor event is read at SensorService. Useful 273444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // for debugging. 274444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int32_t mHour, mMin, mSec; 275444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 27618d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella TrimmedSensorEvent(int sensorType); 27718d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella static bool isSentinel(const TrimmedSensorEvent& event); 278444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 279444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella ~TrimmedSensorEvent() { 280444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella delete [] mData; 281444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella } 282444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella }; 283444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 284444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // A circular buffer of TrimmedSensorEvents. The size of this buffer is typically 10. The 285444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // last N events generated from the sensor are stored in this buffer. The buffer is NOT 286444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // cleared when the sensor unregisters and as a result one may see very old data in the 287444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // dumpsys output but this is WAI. 288444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella class CircularBuffer { 289444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int mNextInd; 290444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int mSensorType; 29118d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int mBufSize; 292444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella TrimmedSensorEvent ** mTrimmedSensorEventArr; 293444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella public: 294444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella CircularBuffer(int sensor_event_type); 295444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella void addEvent(const sensors_event_t& sensor_event); 296444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella void printBuffer(String8& buffer) const; 297444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella bool populateLastEvent(sensors_event_t *event); 298444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella ~CircularBuffer(); 299444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella }; 300444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 30118d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella struct SensorRegistrationInfo { 30218d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mSensorHandle; 30318d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella String8 mPackageName; 30418d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella bool mActivated; 30518d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mSamplingRateUs; 30618d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mMaxReportLatencyUs; 30718d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mHour, mMin, mSec; 30818d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella 30918d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella SensorRegistrationInfo() : mPackageName() { 31018d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella mSensorHandle = mSamplingRateUs = mMaxReportLatencyUs = INT32_MIN; 31118d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella mHour = mMin = mSec = INT32_MIN; 31218d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella mActivated = false; 31318d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella } 31418d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella 31518d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella static bool isSentinel(const SensorRegistrationInfo& info) { 31618d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella return (info.mHour == INT32_MIN && info.mMin == INT32_MIN && info.mSec == INT32_MIN); 31718d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella } 31818d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella }; 31918d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella 320444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella static int getNumEventsForSensorType(int sensor_event_type); 321f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian String8 getSensorName(int handle) const; 322b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella bool isVirtualSensor(int handle) const; 323700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Sensor getSensorFromHandle(int handle) const; 3249a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensor(int type) const; 3250ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella void recordLastValueLocked(sensors_event_t const* buffer, size_t count); 326f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static void sortEventBuffer(sensors_event_t* buffer, size_t count); 3270319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerSensor(SensorInterface* sensor); 3280319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerVirtualSensor(SensorInterface* sensor); 329ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisable( 330ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 331ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisableLocked( 332ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 3339a844cf78f09953145200b4074d47589257a408cAravind Akella void cleanupAutoDisabledSensorLocked(const sp<SensorEventConnection>& connection, 334b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian sensors_event_t const* buffer, const int count); 335b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav static bool canAccessSensor(const Sensor& sensor, const char* operation, 336b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 337a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella static bool hasDataInjectionPermissions(); 3389a844cf78f09953145200b4074d47589257a408cAravind Akella // SensorService acquires a partial wakelock for delivering events from wake up sensors. This 3399a844cf78f09953145200b4074d47589257a408cAravind Akella // method checks whether all the events from these wake up sensors have been delivered to the 3409a844cf78f09953145200b4074d47589257a408cAravind Akella // corresponding applications, if yes the wakelock is released. 3419a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockState(); 3429a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockStateLocked(); 343b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella bool isWakeLockAcquired(); 3449a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensorEvent(const sensors_event_t& event) const; 34556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 3466c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorRecord * getSensorRecord(int handle); 3476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 34856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> getLooper() const; 34956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 350b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Reset mWakeLockRefCounts for all SensorEventConnections to zero. This may happen if 351b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // SensorService did not receive any acknowledgements from apps which have registered for 352b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // wake_up sensors. 353b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void resetAllWakeLockRefCounts(); 354b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 355b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Acquire or release wake_lock. If wake_lock is acquired, set the timeout in the looper to 356b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // 5 seconds and wake the looper. 357b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void setWakeLockAcquiredLocked(bool acquire); 358b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 359b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Send events from the event cache for this particular connection. 360b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void sendEventsFromCache(const sp<SensorEventConnection>& connection); 361b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 362b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Promote all weak referecences in mActiveConnections vector to strong references and add them 363b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // to the output vector. 364b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void populateActiveConnections(SortedVector< sp<SensorEventConnection> >* activeConnections); 365b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 3664949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // If SensorService is operating in RESTRICTED mode, only select whitelisted packages are 3674949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // allowed to register for or call flush on sensors. Typically only cts test packages are 3684949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // allowed. 3694949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella bool isWhiteListedPackage(const String8& packageName); 3704949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella 371a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // Reset the state of SensorService to NORMAL mode. 372a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella status_t resetToNormalMode(); 373a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella status_t resetToNormalModeLocked(); 374a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella 375fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // constants 376fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Vector<Sensor> mSensorList; 37733264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian Vector<Sensor> mUserSensorListDebug; 378010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian Vector<Sensor> mUserSensorList; 379f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mSensorMap; 380f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian Vector<SensorInterface *> mVirtualSensorList; 38150df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian status_t mInitCheck; 3825466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Socket buffersize used to initialize BitTube. This size depends on whether batching is 3835466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // supported or not. 3848a96955c8e14db40b16164236830fc9506a00872Aravind Akella uint32_t mSocketBufferSize; 38556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> mLooper; 386b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella sp<SensorEventAckReceiver> mAckReceiver; 387fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 388fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // protected by mLock 389fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mutable Mutex mLock; 390fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian DefaultKeyedVector<int, SensorRecord*> mActiveSensors; 391f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mActiveVirtualSensors; 392fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mActiveConnections; 3939a844cf78f09953145200b4074d47589257a408cAravind Akella bool mWakeLockAcquired; 3948493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t *mSensorEventBuffer, *mSensorEventScratch; 3958493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorEventConnection const **mMapFlushEventsToConnections; 396a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella Mode mCurrentOperatingMode; 3978493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella 3983560fb24b668675627934356f210d84d19bf4e56Mathias Agopian // The size of this vector is constant, only the items are mutable 399444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella KeyedVector<int32_t, CircularBuffer *> mLastEventSeen; 4003560fb24b668675627934356f210d84d19bf4e56Mathias Agopian 40118d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int mNextSensorRegIndex; 40218d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella Vector<SensorRegistrationInfo> mLastNSensorRegistrations; 403fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianpublic: 404db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian void cleanupConnection(SensorEventConnection* connection); 405724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t enable(const sp<SensorEventConnection>& connection, int handle, 406b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags, 407b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 408fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t disable(const sp<SensorEventConnection>& connection, int handle); 409b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav status_t setEventRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns, 410b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 411b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav status_t flushSensor(const sp<SensorEventConnection>& connection, 412b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 413fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; 414fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 415fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 416fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 417fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 418fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#endif // ANDROID_SENSOR_SERVICE_H 419