SensorService.h revision 5c538053346107a8ec704d8769059ab6a23ebeef
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 // ---> <--- 1035c538053346107a8ec704d8769059ab6a23ebeefAravind Akella 1045c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // Shell commands to switch modes in SensorService. 1055c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // 1) Put SensorService in RESTRICTED mode with packageName .cts. If it is already in 1065c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // restricted mode it is treated as a NO_OP (and packageName is NOT changed). 1075c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // $ adb shell dumpsys sensorservice restrict .cts. 1085c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // 1095c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // 2) Put SensorService in DATA_INJECTION mode with packageName .xts. If it is already in 1105c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // data_injection mode it is treated as a NO_OP (and packageName is NOT changed). 1115c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // $ adb shell dumpsys sensorservice data_injection .xts. 1125c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // 1135c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // 3) Reset sensorservice back to NORMAL mode. 1145c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // $ adb shell dumpsys sensorservice enable 1154949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella }; 1164949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella 117b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static const char* WAKE_LOCK_NAME; 1187c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 119b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian static char const* getServiceName() ANDROID_API { return "sensorservice"; } 120b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian SensorService() ANDROID_API; 121fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual ~SensorService(); 122fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 123fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual void onFirstRef(); 124fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 125fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // Thread interface 126fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual bool threadLoop(); 127fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 128fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // ISensorServer interface 129b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav virtual Vector<Sensor> getSensorList(const String16& opPackageName); 130a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName, 131b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav int requestedMode, const String16& opPackageName); 1325c538053346107a8ec704d8769059ab6a23ebeefAravind Akella virtual int isDataInjectionEnabled(); 133fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian virtual status_t dump(int fd, const Vector<String16>& args); 134fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 13556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventConnection : public BnSensorEventConnection, public LooperCallback { 13656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella friend class SensorService; 1377c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual ~SensorEventConnection(); 1387c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian virtual void onFirstRef(); 139b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopian virtual sp<BitTube> getSensorChannel() const; 140724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs, 141724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t maxBatchReportLatencyNs, int reservedFlags); 142724d91d778e71c8186399f4955de14b54812b3edAravind Akella virtual status_t setEventRate(int handle, nsecs_t samplingPeriodNs); 143701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella virtual status_t flush(); 1444c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Count the number of flush complete events which are about to be dropped in the buffer. 1454c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Increment mPendingFlushEventsToSend in mSensorInfo. These flush complete events will be 1464c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // sent separately before the next batch of events. 1470ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella void countFlushCompleteEventsLocked(sensors_event_t const* scratch, int numEventsDropped); 1487c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 1496c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if there are any wake up events in the buffer. If yes, return the index of the 1506c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // first wake_up sensor event in the buffer else return -1. This wake_up sensor event will 1516c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // have the flag WAKE_UP_SENSOR_EVENT_NEEDS_ACK set. Exactly one event per packet will have 1526c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // the wake_up flag set. SOCK_SEQPACKET ensures that either the entire packet is read or 1536c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped. 1546c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int findWakeUpSensorEventLocked(sensors_event_t const* scratch, int count); 1556c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 1566c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Send pending flush_complete events. There may have been flush_complete_events that are 1576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // dropped which need to be sent separately before other events. On older HALs (1_0) this 1586c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // method emulates the behavior of flush(). 1596c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void sendPendingFlushEventsLocked(); 16056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 16156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Writes events from mEventCache to the socket. 162b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void writeToSocketFromCache(); 16356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 16456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Compute the approximate cache size from the FIFO sizes of various sensors registered for 16556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // this connection. Wake up and non-wake up sensors have separate FIFOs but FIFO may be 16656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // shared amongst wake-up sensors and non-wake up sensors. 16756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int computeMaxCacheSizeLocked() const; 16856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 1696c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // When more sensors register, the maximum cache size desired may change. Compute max cache 1706c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // size, reallocate memory and copy over events from the older cache. 1716c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void reAllocateCacheLocked(sensors_event_t const* scratch, int count); 1726c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 17356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // LooperCallback method. If there is data to read on this fd, it is an ack from the 17456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // app that it has read events from a wake up sensor, decrement mWakeLockRefCount. 17556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // If this fd is available for writing send the data from the cache. 17656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual int handleEvent(int fd, int events, void* data); 1779a844cf78f09953145200b4074d47589257a408cAravind Akella 1788a96955c8e14db40b16164236830fc9506a00872Aravind Akella // Increment mPendingFlushEventsToSend for the given sensor handle. 1798a96955c8e14db40b16164236830fc9506a00872Aravind Akella void incrementPendingFlushCount(int32_t handle); 1808a96955c8e14db40b16164236830fc9506a00872Aravind Akella 1818a96955c8e14db40b16164236830fc9506a00872Aravind Akella // Add or remove the file descriptor associated with the BitTube to the looper. If mDead is 1828a96955c8e14db40b16164236830fc9506a00872Aravind Akella // set to true or there are no more sensors for this connection, the file descriptor is 1838a96955c8e14db40b16164236830fc9506a00872Aravind Akella // removed if it has been previously added to the Looper. Depending on the state of the 1848a96955c8e14db40b16164236830fc9506a00872Aravind Akella // connection FD may be added to the Looper. The flags to set are determined by the internal 1858a96955c8e14db40b16164236830fc9506a00872Aravind Akella // state of the connection. FDs are added to the looper when wake-up sensors are registered 1868a96955c8e14db40b16164236830fc9506a00872Aravind Akella // (to poll for acknowledgements) and when write fails on the socket when there are too many 1878a96955c8e14db40b16164236830fc9506a00872Aravind Akella // error and the other end hangs up or when this client unregisters for this connection. 1888a96955c8e14db40b16164236830fc9506a00872Aravind Akella void updateLooperRegistration(const sp<Looper>& looper); 1898a96955c8e14db40b16164236830fc9506a00872Aravind Akella void updateLooperRegistrationLocked(const sp<Looper>& looper); 1908a96955c8e14db40b16164236830fc9506a00872Aravind Akella 191fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian sp<SensorService> const mService; 1924c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sp<BitTube> mChannel; 1935307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t mUid; 19471d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian mutable Mutex mConnectionLock; 1959a844cf78f09953145200b4074d47589257a408cAravind Akella // Number of events from wake up sensors which are still pending and haven't been delivered 1969a844cf78f09953145200b4074d47589257a408cAravind Akella // to the corresponding application. It is incremented by one unit for each write to the 1979a844cf78f09953145200b4074d47589257a408cAravind Akella // socket. 1988a96955c8e14db40b16164236830fc9506a00872Aravind Akella uint32_t mWakeLockRefCount; 1998a96955c8e14db40b16164236830fc9506a00872Aravind Akella 2008a96955c8e14db40b16164236830fc9506a00872Aravind Akella // If this flag is set to true, it means that the file descriptor associated with the 2018a96955c8e14db40b16164236830fc9506a00872Aravind Akella // BitTube has been added to the Looper in SensorService. This flag is typically set when 2028a96955c8e14db40b16164236830fc9506a00872Aravind Akella // this connection has wake-up sensors associated with it or when write has failed on this 2038a96955c8e14db40b16164236830fc9506a00872Aravind Akella // connection and we're storing some events in the cache. 2048a96955c8e14db40b16164236830fc9506a00872Aravind Akella bool mHasLooperCallbacks; 2058a96955c8e14db40b16164236830fc9506a00872Aravind Akella // If there are any errors associated with the Looper this flag is set to true and 2068a96955c8e14db40b16164236830fc9506a00872Aravind Akella // mWakeLockRefCount is reset to zero. needsWakeLock method will always return false, if 2078a96955c8e14db40b16164236830fc9506a00872Aravind Akella // this flag is set. 2088a96955c8e14db40b16164236830fc9506a00872Aravind Akella bool mDead; 209a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella 210a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella bool mDataInjectionMode; 2114c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella struct FlushInfo { 2124c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // The number of flush complete events dropped for this sensor is stored here. 2134c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // They are sent separately before the next batch of events. 2144c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella int mPendingFlushEventsToSend; 2154c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Every activate is preceded by a flush. Only after the first flush complete is 2164c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // received, the events for the sensor are sent on that *connection*. 2174c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella bool mFirstFlushPending; 2186c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella FlushInfo() : mPendingFlushEventsToSend(0), mFirstFlushPending(false) {} 2194c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella }; 2204c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // protected by SensorService::mLock. Key for this vector is the sensor handle. 2214c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella KeyedVector<int, FlushInfo> mSensorInfo; 22256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sensors_event_t *mEventCache; 22356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mCacheSize, mMaxCacheSize; 2244949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella String8 mPackageName; 225b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16 mOpPackageName; 22656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 22756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int mEventsReceived, mEventsSent, mEventsSentFromCache; 228e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella int mTotalAcksNeeded, mTotalAcksReceived; 22956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 2307c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 231fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 232a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella SensorEventConnection(const sp<SensorService>& service, uid_t uid, String8 packageName, 233b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav bool isDataInjectionMode, const String16& opPackageName); 2347c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 2350ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella status_t sendEvents(sensors_event_t const* buffer, size_t count, 2368493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t* scratch, 2378493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorEventConnection const * const * mapFlushEventsToConnections = NULL); 238fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasSensor(int32_t handle) const; 239fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool hasAnySensor() const; 2408493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella bool hasOneShotSensors() const; 2417c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addSensor(int32_t handle); 2427c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool removeSensor(int32_t handle); 2434c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void setFirstFlushPending(int32_t handle, bool value); 2444c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella void dump(String8& result); 2459a844cf78f09953145200b4074d47589257a408cAravind Akella bool needsWakeLock(); 246b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void resetWakeLockRefCount(); 2474949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella String8 getPackageName() const; 2485307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian 2495307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t getUid() const { return mUid; } 250fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 251fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 252fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian class SensorRecord { 253fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mConnections; 2546c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // A queue of all flush() calls made on this sensor. Flush complete events will be 2556c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // sent in this order. 2566c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella Vector< wp<SensorEventConnection> > mPendingFlushConnections; 257fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian public: 258fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord(const sp<SensorEventConnection>& connection); 2597c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian bool addConnection(const sp<SensorEventConnection>& connection); 260fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian bool removeConnection(const wp<SensorEventConnection>& connection); 261fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian size_t getNumConnections() const { return mConnections.size(); } 2626c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 2636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void addPendingFlushConnection(const sp<SensorEventConnection>& connection); 2646c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella void removeFirstPendingFlushConnection(); 2656c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorEventConnection * getFirstPendingFlushConnection(); 2664949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella void clearAllPendingFlushConnections(); 267fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian }; 268fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 26956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella class SensorEventAckReceiver : public Thread { 27056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<SensorService> const mService; 27156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella public: 27256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella virtual bool threadLoop(); 27356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella SensorEventAckReceiver(const sp<SensorService>& service): mService(service) {} 27456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella }; 27556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 276444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // sensor_event_t with only the data and the timestamp. 277444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella struct TrimmedSensorEvent { 278444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella union { 279444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella float *mData; 280444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella uint64_t mStepCounter; 281444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella }; 282444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // Timestamp from the sensor_event. 283444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int64_t mTimestamp; 284444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // HH:MM:SS local time at which this sensor event is read at SensorService. Useful 285444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // for debugging. 286444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int32_t mHour, mMin, mSec; 287444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 28818d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella TrimmedSensorEvent(int sensorType); 28918d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella static bool isSentinel(const TrimmedSensorEvent& event); 290444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 291444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella ~TrimmedSensorEvent() { 292444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella delete [] mData; 293444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella } 294444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella }; 295444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 296444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // A circular buffer of TrimmedSensorEvents. The size of this buffer is typically 10. The 297444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // last N events generated from the sensor are stored in this buffer. The buffer is NOT 298444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // cleared when the sensor unregisters and as a result one may see very old data in the 299444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella // dumpsys output but this is WAI. 300444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella class CircularBuffer { 301444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int mNextInd; 302444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella int mSensorType; 30318d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int mBufSize; 304444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella TrimmedSensorEvent ** mTrimmedSensorEventArr; 305444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella public: 306444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella CircularBuffer(int sensor_event_type); 307444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella void addEvent(const sensors_event_t& sensor_event); 308444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella void printBuffer(String8& buffer) const; 309444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella bool populateLastEvent(sensors_event_t *event); 310444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella ~CircularBuffer(); 311444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella }; 312444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella 31318d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella struct SensorRegistrationInfo { 31418d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mSensorHandle; 31518d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella String8 mPackageName; 31618d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella bool mActivated; 31718d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mSamplingRateUs; 31818d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mMaxReportLatencyUs; 31918d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int32_t mHour, mMin, mSec; 32018d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella 32118d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella SensorRegistrationInfo() : mPackageName() { 32218d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella mSensorHandle = mSamplingRateUs = mMaxReportLatencyUs = INT32_MIN; 32318d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella mHour = mMin = mSec = INT32_MIN; 32418d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella mActivated = false; 32518d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella } 32618d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella 32718d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella static bool isSentinel(const SensorRegistrationInfo& info) { 32818d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella return (info.mHour == INT32_MIN && info.mMin == INT32_MIN && info.mSec == INT32_MIN); 32918d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella } 33018d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella }; 33118d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella 332444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella static int getNumEventsForSensorType(int sensor_event_type); 333f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian String8 getSensorName(int handle) const; 334b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella bool isVirtualSensor(int handle) const; 335700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Sensor getSensorFromHandle(int handle) const; 3369a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensor(int type) const; 3370ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella void recordLastValueLocked(sensors_event_t const* buffer, size_t count); 338f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static void sortEventBuffer(sensors_event_t* buffer, size_t count); 3390319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerSensor(SensorInterface* sensor); 3400319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor registerVirtualSensor(SensorInterface* sensor); 341ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisable( 342ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 343ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t cleanupWithoutDisableLocked( 344ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle); 3459a844cf78f09953145200b4074d47589257a408cAravind Akella void cleanupAutoDisabledSensorLocked(const sp<SensorEventConnection>& connection, 346b6df7d0e4c2117ca476662bd52b6745b3d8a305fMathias Agopian sensors_event_t const* buffer, const int count); 347b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav static bool canAccessSensor(const Sensor& sensor, const char* operation, 348b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 3499a844cf78f09953145200b4074d47589257a408cAravind Akella // SensorService acquires a partial wakelock for delivering events from wake up sensors. This 3509a844cf78f09953145200b4074d47589257a408cAravind Akella // method checks whether all the events from these wake up sensors have been delivered to the 3519a844cf78f09953145200b4074d47589257a408cAravind Akella // corresponding applications, if yes the wakelock is released. 3529a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockState(); 3539a844cf78f09953145200b4074d47589257a408cAravind Akella void checkWakeLockStateLocked(); 354b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella bool isWakeLockAcquired(); 3559a844cf78f09953145200b4074d47589257a408cAravind Akella bool isWakeUpSensorEvent(const sensors_event_t& event) const; 35656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 3576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella SensorRecord * getSensorRecord(int handle); 3586c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 35956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> getLooper() const; 36056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 361b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Reset mWakeLockRefCounts for all SensorEventConnections to zero. This may happen if 362b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // SensorService did not receive any acknowledgements from apps which have registered for 363b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // wake_up sensors. 364b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void resetAllWakeLockRefCounts(); 365b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 366b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Acquire or release wake_lock. If wake_lock is acquired, set the timeout in the looper to 367b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // 5 seconds and wake the looper. 368b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void setWakeLockAcquiredLocked(bool acquire); 369b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 370b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Send events from the event cache for this particular connection. 371b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void sendEventsFromCache(const sp<SensorEventConnection>& connection); 372b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 373b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // Promote all weak referecences in mActiveConnections vector to strong references and add them 374b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella // to the output vector. 375b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella void populateActiveConnections(SortedVector< sp<SensorEventConnection> >* activeConnections); 376b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella 3774949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // If SensorService is operating in RESTRICTED mode, only select whitelisted packages are 3784949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // allowed to register for or call flush on sensors. Typically only cts test packages are 3794949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella // allowed. 3804949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella bool isWhiteListedPackage(const String8& packageName); 3814949c50372de4c7fdb57de1dc0c1f5bb3ac463ebAravind Akella 382a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella // Reset the state of SensorService to NORMAL mode. 383a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella status_t resetToNormalMode(); 384a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella status_t resetToNormalModeLocked(); 385a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella 386fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // constants 387fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Vector<Sensor> mSensorList; 38833264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian Vector<Sensor> mUserSensorListDebug; 389010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian Vector<Sensor> mUserSensorList; 390f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mSensorMap; 391f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian Vector<SensorInterface *> mVirtualSensorList; 39250df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian status_t mInitCheck; 3935466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Socket buffersize used to initialize BitTube. This size depends on whether batching is 3945466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // supported or not. 3958a96955c8e14db40b16164236830fc9506a00872Aravind Akella uint32_t mSocketBufferSize; 39656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> mLooper; 397b4373ac9f53e3a6edee915715101d535e1a851a1Aravind Akella sp<SensorEventAckReceiver> mAckReceiver; 398fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 399fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // protected by mLock 400fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mutable Mutex mLock; 401fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian DefaultKeyedVector<int, SensorRecord*> mActiveSensors; 402f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian DefaultKeyedVector<int, SensorInterface*> mActiveVirtualSensors; 403fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SortedVector< wp<SensorEventConnection> > mActiveConnections; 4049a844cf78f09953145200b4074d47589257a408cAravind Akella bool mWakeLockAcquired; 4058493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t *mSensorEventBuffer, *mSensorEventScratch; 4068493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorEventConnection const **mMapFlushEventsToConnections; 407a9e6cc387072e25706a6d847a97b02a6f25a918bAravind Akella Mode mCurrentOperatingMode; 4085c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // This packagaName is set when SensorService is in RESTRICTED or DATA_INJECTION mode. Only 4095c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // applications with this packageName are allowed to activate/deactivate or call flush on 4105c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // sensors. To run CTS this is can be set to ".cts." and only CTS tests will get access to 4115c538053346107a8ec704d8769059ab6a23ebeefAravind Akella // sensors. 4125c538053346107a8ec704d8769059ab6a23ebeefAravind Akella String8 mWhiteListedPackage; 4138493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella 4143560fb24b668675627934356f210d84d19bf4e56Mathias Agopian // The size of this vector is constant, only the items are mutable 415444f2675728dde36378beb8e67a94f86ebf1ca46Aravind Akella KeyedVector<int32_t, CircularBuffer *> mLastEventSeen; 4163560fb24b668675627934356f210d84d19bf4e56Mathias Agopian 41718d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella int mNextSensorRegIndex; 41818d6d51a00897988e3347b130f533e9ffdd8c365Aravind Akella Vector<SensorRegistrationInfo> mLastNSensorRegistrations; 419fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianpublic: 420db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian void cleanupConnection(SensorEventConnection* connection); 421724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t enable(const sp<SensorEventConnection>& connection, int handle, 422b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags, 423b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 424fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t disable(const sp<SensorEventConnection>& connection, int handle); 425b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav status_t setEventRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns, 426b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 427b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav status_t flushSensor(const sp<SensorEventConnection>& connection, 428b412f6e203b38f8047f760261a5e3dc6d0722f08Svetoslav const String16& opPackageName); 429fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; 430fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 431fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 432fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 433fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 434fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#endif // ANDROID_SENSOR_SERVICE_H 435