SensorService.cpp revision 9a844cf78f09953145200b4074d47589257a408c
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 1792dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn#include <inttypes.h> 18f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include <math.h> 1992dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn#include <stdint.h> 20fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <sys/types.h> 21fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 223301542828febc768e1df42892cfac4992c35474Mathias Agopian#include <cutils/properties.h> 233301542828febc768e1df42892cfac4992c35474Mathias Agopian 24fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/SortedVector.h> 25fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/KeyedVector.h> 26fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/threads.h> 27fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/Atomic.h> 28fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/Errors.h> 29fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/RefBase.h> 30451beee076cac09f817abae78a990dea108a9482Mathias Agopian#include <utils/Singleton.h> 31c4a930d1d5a432a1f302763ac55460d6e83fe7e0Mathias Agopian#include <utils/String16.h> 32fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 33fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <binder/BinderService.h> 34451beee076cac09f817abae78a990dea108a9482Mathias Agopian#include <binder/IServiceManager.h> 351cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian#include <binder/PermissionCache.h> 36fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 37fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorServer.h> 38fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorEventConnection.h> 39907103bf186cfdd2ed9eb3b6c36de53ade7b16f6Mathias Agopian#include <gui/SensorEventQueue.h> 40fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 41fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <hardware/sensors.h> 424342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh#include <hardware_legacy/power.h> 43fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 44787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian#include "BatteryService.h" 45984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "CorrectedGyroSensor.h" 46f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "GravitySensor.h" 47f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "LinearAccelerationSensor.h" 48984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "OrientationSensor.h" 49f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "RotationVectorSensor.h" 50984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "SensorFusion.h" 51984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "SensorService.h" 52fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 53fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiannamespace android { 54fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 55fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 563301542828febc768e1df42892cfac4992c35474Mathias Agopian/* 573301542828febc768e1df42892cfac4992c35474Mathias Agopian * Notes: 583301542828febc768e1df42892cfac4992c35474Mathias Agopian * 593301542828febc768e1df42892cfac4992c35474Mathias Agopian * - what about a gyro-corrected magnetic-field sensor? 603301542828febc768e1df42892cfac4992c35474Mathias Agopian * - run mag sensor from time to time to force calibration 613301542828febc768e1df42892cfac4992c35474Mathias Agopian * - gravity sensor length is wrong (=> drift in linear-acc sensor) 623301542828febc768e1df42892cfac4992c35474Mathias Agopian * 633301542828febc768e1df42892cfac4992c35474Mathias Agopian */ 643301542828febc768e1df42892cfac4992c35474Mathias Agopian 654342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganeshconst char* SensorService::WAKE_LOCK_NAME = "SensorService"; 664342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 67fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorService() 681cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian : mInitCheck(NO_INIT) 69fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 70fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 71fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 72fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianvoid SensorService::onFirstRef() 73fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 74a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD("nuSensorService starting..."); 7550df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 76f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice& dev(SensorDevice::getInstance()); 77fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 78f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (dev.initCheck() == NO_ERROR) { 79f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensor_t const* list; 807b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian ssize_t count = dev.getSensorList(&list); 817b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (count > 0) { 827b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian ssize_t orientationIndex = -1; 837b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian bool hasGyro = false; 847b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian uint32_t virtualSensorsNeeds = 857b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_GRAVITY) | 867b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_LINEAR_ACCELERATION) | 877b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_ROTATION_VECTOR); 887b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 897b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mLastEventSeen.setCapacity(count); 907b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian for (ssize_t i=0 ; i<count ; i++) { 917b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerSensor( new HardwareSensor(list[i]) ); 927b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian switch (list[i].type) { 937b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_ORIENTATION: 947b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian orientationIndex = i; 957b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 967b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_GYROSCOPE: 970319306670b0344da99efa606b6f172dde575a39Mathias Agopian case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED: 987b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian hasGyro = true; 997b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 1007b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_GRAVITY: 1017b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_LINEAR_ACCELERATION: 1027b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_ROTATION_VECTOR: 1037b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian virtualSensorsNeeds &= ~(1<<list[i].type); 1047b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 1057b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 10650df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian } 107fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1087b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // it's safe to instantiate the SensorFusion object here 1097b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // (it wants to be instantiated after h/w sensors have been 1107b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // registered) 1117b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian const SensorFusion& fusion(SensorFusion::getInstance()); 1127b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1130319306670b0344da99efa606b6f172dde575a39Mathias Agopian // build the sensor list returned to users 1140319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList = mSensorList; 1150319306670b0344da99efa606b6f172dde575a39Mathias Agopian 1167b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (hasGyro) { 1170319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor aSensor; 1187b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1190319306670b0344da99efa606b6f172dde575a39Mathias Agopian // Add Android virtual sensors if they're not already 1200319306670b0344da99efa606b6f172dde575a39Mathias Agopian // available in the HAL 1217b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1220319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new RotationVectorSensor() ); 1230319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_ROTATION_VECTOR)) { 1240319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.add(aSensor); 1250319306670b0344da99efa606b6f172dde575a39Mathias Agopian } 126f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 1270319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new GravitySensor(list, count) ); 1280319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_GRAVITY)) { 1290319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.add(aSensor); 1300319306670b0344da99efa606b6f172dde575a39Mathias Agopian } 13133264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian 1320319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new LinearAccelerationSensor(list, count) ); 1330319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_LINEAR_ACCELERATION)) { 1340319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.add(aSensor); 1350319306670b0344da99efa606b6f172dde575a39Mathias Agopian } 13633264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian 1370319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new OrientationSensor() ); 1380319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_ROTATION_VECTOR)) { 1390319306670b0344da99efa606b6f172dde575a39Mathias Agopian // if we are doing our own rotation-vector, also add 1400319306670b0344da99efa606b6f172dde575a39Mathias Agopian // the orientation sensor and remove the HAL provided one. 1410319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.replaceAt(aSensor, orientationIndex); 1427b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 1430319306670b0344da99efa606b6f172dde575a39Mathias Agopian 1440319306670b0344da99efa606b6f172dde575a39Mathias Agopian // virtual debugging sensors are not added to mUserSensorList 1450319306670b0344da99efa606b6f172dde575a39Mathias Agopian registerVirtualSensor( new CorrectedGyroSensor(list, count) ); 1460319306670b0344da99efa606b6f172dde575a39Mathias Agopian registerVirtualSensor( new GyroDriftSensor() ); 147010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian } 148010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian 14933264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian // debugging sensor list 1500319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorListDebug = mSensorList; 15133264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian 1524c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mSocketBufferSize = SOCKET_BUFFER_SIZE_NON_BATCHED; 1534c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FILE *fp = fopen("/proc/sys/net/core/wmem_max", "r"); 1544c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella char line[128]; 1554c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (fp != NULL && fgets(line, sizeof(line), fp) != NULL) { 1564c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella line[sizeof(line) - 1] = '\0'; 15792dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn sscanf(line, "%zu", &mSocketBufferSize); 1584c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (mSocketBufferSize > MAX_SOCKET_BUFFER_SIZE_BATCHED) { 1594c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mSocketBufferSize = MAX_SOCKET_BUFFER_SIZE_BATCHED; 1604c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 1614c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 1624c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD("Max socket buffer size %u", mSocketBufferSize); 1634c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (fp) { 1644c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella fclose(fp); 1654c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 1664c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 1679a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 1687b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian run("SensorService", PRIORITY_URGENT_DISPLAY); 1697b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mInitCheck = NO_ERROR; 1707b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 171fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 172fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 173fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1740319306670b0344da99efa606b6f172dde575a39Mathias AgopianSensor SensorService::registerSensor(SensorInterface* s) 175f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 176f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t event; 177f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian memset(&event, 0, sizeof(event)); 178f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 179f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const Sensor sensor(s->getSensor()); 180f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // add to the sensor list (returned to clients) 181f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mSensorList.add(sensor); 182f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // add to our handle->SensorInterface mapping 183f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mSensorMap.add(sensor.getHandle(), s); 184f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // create an entry in the mLastEventSeen array 185f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mLastEventSeen.add(sensor.getHandle(), event); 1860319306670b0344da99efa606b6f172dde575a39Mathias Agopian 1870319306670b0344da99efa606b6f172dde575a39Mathias Agopian return sensor; 188f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 189f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 1900319306670b0344da99efa606b6f172dde575a39Mathias AgopianSensor SensorService::registerVirtualSensor(SensorInterface* s) 191f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 1920319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor sensor = registerSensor(s); 193f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mVirtualSensorList.add( s ); 1940319306670b0344da99efa606b6f172dde575a39Mathias Agopian return sensor; 195f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 196f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 197fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::~SensorService() 198fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 199f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t i=0 ; i<mSensorMap.size() ; i++) 200f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian delete mSensorMap.valueAt(i); 201fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 202fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 2031cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopianstatic const String16 sDump("android.permission.DUMP"); 2041cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian 20592dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzynstatus_t SensorService::dump(int fd, const Vector<String16>& /*args*/) 206fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 207fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian String8 result; 2081cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian if (!PermissionCache::checkCallingPermission(sDump)) { 209ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat("Permission Denial: " 210700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "can't dump SensorService from pid=%d, uid=%d\n", 211fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian IPCThreadState::self()->getCallingPid(), 212fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian IPCThreadState::self()->getCallingUid()); 213fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } else { 214fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 215ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.append("Sensor List:\n"); 2163560fb24b668675627934356f210d84d19bf4e56Mathias Agopian for (size_t i=0 ; i<mSensorList.size() ; i++) { 2173560fb24b668675627934356f210d84d19bf4e56Mathias Agopian const Sensor& s(mSensorList[i]); 2183560fb24b668675627934356f210d84d19bf4e56Mathias Agopian const sensors_event_t& e(mLastEventSeen.valueFor(s.getHandle())); 219ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 220700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "%-48s| %-32s| %-48s| 0x%08x | \"%s\"\n\t", 2213560fb24b668675627934356f210d84d19bf4e56Mathias Agopian s.getName().string(), 2223560fb24b668675627934356f210d84d19bf4e56Mathias Agopian s.getVendor().string(), 223700180487ffec09d9df1657b018a7caadac24b75Aravind Akella s.getStringType().string(), 224700180487ffec09d9df1657b018a7caadac24b75Aravind Akella s.getHandle(), 225700180487ffec09d9df1657b018a7caadac24b75Aravind Akella s.getRequiredPermission().string()); 226ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian 227ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian if (s.getMinDelay() > 0) { 228ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 229700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "maxRate=%7.2fHz | ", 1e6f / s.getMinDelay()); 230ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian } else { 231ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.append(s.getMinDelay() == 0 232ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian ? "on-demand | " 233ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian : "one-shot | "); 234ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian } 235724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (s.getFifoMaxEventCount() > 0) { 236700180487ffec09d9df1657b018a7caadac24b75Aravind Akella result.appendFormat("FifoMax=%d events | ", 237700180487ffec09d9df1657b018a7caadac24b75Aravind Akella s.getFifoMaxEventCount()); 238724d91d778e71c8186399f4955de14b54812b3edAravind Akella } else { 239724d91d778e71c8186399f4955de14b54812b3edAravind Akella result.append("no batching support | "); 240724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 241ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian 242ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian switch (s.getType()) { 243ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_ROTATION_VECTOR: 244ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR: 245ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 246ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian "last=<%5.1f,%5.1f,%5.1f,%5.1f,%5.1f>\n", 247ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian e.data[0], e.data[1], e.data[2], e.data[3], e.data[4]); 248ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 249ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED: 250ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED: 251ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 252ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian "last=<%5.1f,%5.1f,%5.1f,%5.1f,%5.1f,%5.1f>\n", 253ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian e.data[0], e.data[1], e.data[2], e.data[3], e.data[4], e.data[5]); 254ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 255ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_GAME_ROTATION_VECTOR: 256ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 257ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian "last=<%5.1f,%5.1f,%5.1f,%5.1f>\n", 258ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian e.data[0], e.data[1], e.data[2], e.data[3]); 259ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 260ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_SIGNIFICANT_MOTION: 261ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_STEP_DETECTOR: 262ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( "last=<%f>\n", e.data[0]); 263ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 264ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_STEP_COUNTER: 26592dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat( "last=<%" PRIu64 ">\n", e.u64.step_counter); 266ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 267ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian default: 268ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian // default to 3 values 269ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 270ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian "last=<%5.1f,%5.1f,%5.1f>\n", 271ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian e.data[0], e.data[1], e.data[2]); 272ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 273ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian } 2743560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 275ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian SensorFusion::getInstance().dump(result); 276ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian SensorDevice::getInstance().dump(result); 277ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian 278ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.append("Active sensors:\n"); 279fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian for (size_t i=0 ; i<mActiveSensors.size() ; i++) { 2805d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian int handle = mActiveSensors.keyAt(i); 28192dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat("%s (handle=0x%08x, connections=%zu)\n", 2825d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian getSensorName(handle).string(), 2835d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian handle, 284fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveSensors.valueAt(i)->getNumConnections()); 285fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 2864c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 28792dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat("%zu Max Socket Buffer size\n", mSocketBufferSize); 2889a844cf78f09953145200b4074d47589257a408cAravind Akella result.appendFormat("WakeLock Status: %s \n", mWakeLockAcquired ? "acquired" : "not held"); 28992dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat("%zd active connections\n", mActiveConnections.size()); 2904c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 2914c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (size_t i=0 ; i < mActiveConnections.size() ; i++) { 2924c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sp<SensorEventConnection> connection(mActiveConnections[i].promote()); 2934c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (connection != 0) { 29492dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat("Connection Number: %zu \n", i); 2954c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella connection->dump(result); 2964c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 2974c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 298fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 299fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian write(fd, result.string(), result.size()); 300fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return NO_ERROR; 301fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 302fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 3039a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::cleanupAutoDisabledSensorLocked(const sp<SensorEventConnection>& connection, 3044342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh sensors_event_t const* buffer, const int count) { 3054c01b1ad80e084f0cd1057f89fdd1fcedf19dd96Jaikumar Ganesh SensorInterface* sensor; 3064c01b1ad80e084f0cd1057f89fdd1fcedf19dd96Jaikumar Ganesh status_t err = NO_ERROR; 3074342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i=0 ; i<count ; i++) { 3084342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh int handle = buffer[i].sensor; 3097438fd1a0132bc6de101e2a5f75040a119b6f29bMathias Agopian int type = buffer[i].type; 3107438fd1a0132bc6de101e2a5f75040a119b6f29bMathias Agopian if (type == SENSOR_TYPE_SIGNIFICANT_MOTION) { 3114342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (connection->hasSensor(handle)) { 3124c01b1ad80e084f0cd1057f89fdd1fcedf19dd96Jaikumar Ganesh sensor = mSensorMap.valueFor(handle); 313ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian if (sensor != NULL) { 314ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian sensor->autoDisable(connection.get(), handle); 3154c01b1ad80e084f0cd1057f89fdd1fcedf19dd96Jaikumar Ganesh } 3169a844cf78f09953145200b4074d47589257a408cAravind Akella cleanupWithoutDisableLocked(connection, handle); 3174342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3184342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3194342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3204342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh} 3214342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 322fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::threadLoop() 323fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 324a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD("nuSensorService thread starting..."); 325fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 32690ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian // each virtual sensor could generate an event per "real" event, that's why we need 32790ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian // to size numEventMax much smaller than MAX_RECEIVE_BUFFER_EVENT_COUNT. 32890ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian // in practice, this is too aggressive, but guaranteed to be enough. 32990ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian const size_t minBufferSize = SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT; 33090ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian const size_t numEventMax = minBufferSize / (1 + mVirtualSensorList.size()); 33190ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian 332d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian sensors_event_t buffer[minBufferSize]; 333d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian sensors_event_t scratch[minBufferSize]; 334f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice& device(SensorDevice::getInstance()); 335f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const size_t vcount = mVirtualSensorList.size(); 336fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 337f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian ssize_t count; 3384342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh const int halVersion = device.getHalDeviceVersion(); 339fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian do { 340f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian count = device.poll(buffer, numEventMax); 341fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (count<0) { 342f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE("sensor poll failed (%s)", strerror(-count)); 343fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian break; 344fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 3459a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mLock); 3469a844cf78f09953145200b4074d47589257a408cAravind Akella // Poll has returned. Hold a wakelock if one of the events is from a wake up sensor. The 3479a844cf78f09953145200b4074d47589257a408cAravind Akella // rest of this loop is under a critical section protected by mLock. Acquiring a wakeLock, 3489a844cf78f09953145200b4074d47589257a408cAravind Akella // sending events to clients (incrementing SensorEventConnection::mWakeLockRefCount) should 3499a844cf78f09953145200b4074d47589257a408cAravind Akella // not be interleaved with decrementing SensorEventConnection::mWakeLockRefCount and 3509a844cf78f09953145200b4074d47589257a408cAravind Akella // releasing the wakelock. 3519a844cf78f09953145200b4074d47589257a408cAravind Akella bool bufferHasWakeUpEvent = false; 3524342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i = 0; i < count; i++) { 3539a844cf78f09953145200b4074d47589257a408cAravind Akella if (isWakeUpSensorEvent(buffer[i])) { 3549a844cf78f09953145200b4074d47589257a408cAravind Akella bufferHasWakeUpEvent = true; 3559a844cf78f09953145200b4074d47589257a408cAravind Akella break; 3564342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3574342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3584342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 3599a844cf78f09953145200b4074d47589257a408cAravind Akella if (bufferHasWakeUpEvent && !mWakeLockAcquired) { 3609a844cf78f09953145200b4074d47589257a408cAravind Akella acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); 3619a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = true; 3629a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "acquired wakelock %s", WAKE_LOCK_NAME); 3639a844cf78f09953145200b4074d47589257a408cAravind Akella } 3649a844cf78f09953145200b4074d47589257a408cAravind Akella recordLastValueLocked(buffer, count); 36594e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 366f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // handle virtual sensors 367f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (count && vcount) { 368984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian sensors_event_t const * const event = buffer; 3699a844cf78f09953145200b4074d47589257a408cAravind Akella const size_t activeVirtualSensorCount = mActiveVirtualSensors.size(); 370f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (activeVirtualSensorCount) { 371f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian size_t k = 0; 372984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian SensorFusion& fusion(SensorFusion::getInstance()); 373984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian if (fusion.isEnabled()) { 374984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian for (size_t i=0 ; i<size_t(count) ; i++) { 375984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian fusion.process(event[i]); 376984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 377984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 378d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian for (size_t i=0 ; i<size_t(count) && k<minBufferSize ; i++) { 379f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t j=0 ; j<activeVirtualSensorCount ; j++) { 380d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian if (count + k >= minBufferSize) { 381d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian ALOGE("buffer too small to hold all events: " 382d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian "count=%u, k=%u, size=%u", 383d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian count, k, minBufferSize); 384d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian break; 385d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian } 386f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t out; 3879a844cf78f09953145200b4074d47589257a408cAravind Akella SensorInterface* si = mActiveVirtualSensors.valueAt(j); 388d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian if (si->process(&out, event[i])) { 389f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian buffer[count + k] = out; 390f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian k++; 391f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 392f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 393f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 394f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (k) { 395f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // record the last synthesized values 3969a844cf78f09953145200b4074d47589257a408cAravind Akella recordLastValueLocked(&buffer[count], k); 397f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian count += k; 398f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // sort the buffer by time-stamps 399f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sortEventBuffer(buffer, count); 400f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 401f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 402f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 403f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 4044342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // handle backward compatibility for RotationVector sensor 4054342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (halVersion < SENSORS_DEVICE_API_VERSION_1_0) { 4064342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i = 0; i < count; i++) { 4077438fd1a0132bc6de101e2a5f75040a119b6f29bMathias Agopian if (buffer[i].type == SENSOR_TYPE_ROTATION_VECTOR) { 4084342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // All the 4 components of the quaternion should be available 4094342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // No heading accuracy. Set it to -1 4104342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh buffer[i].data[4] = -1; 4114342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4124342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4134342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4144342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 4159a844cf78f09953145200b4074d47589257a408cAravind Akella // Send our events to clients. Check the state of wake lock for each client and release the 4169a844cf78f09953145200b4074d47589257a408cAravind Akella // lock if none of the clients need it. 4179a844cf78f09953145200b4074d47589257a408cAravind Akella bool needsWakeLock = false; 4189a844cf78f09953145200b4074d47589257a408cAravind Akella for (size_t i=0 ; i < mActiveConnections.size(); i++) { 4199a844cf78f09953145200b4074d47589257a408cAravind Akella sp<SensorEventConnection> connection(mActiveConnections[i].promote()); 420f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (connection != 0) { 421f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian connection->sendEvents(buffer, count, scratch); 4229a844cf78f09953145200b4074d47589257a408cAravind Akella needsWakeLock |= connection->needsWakeLock(); 4234342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // Some sensors need to be auto disabled after the trigger 4249a844cf78f09953145200b4074d47589257a408cAravind Akella cleanupAutoDisabledSensorLocked(connection, buffer, count); 425fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 426fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 4274342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 4289a844cf78f09953145200b4074d47589257a408cAravind Akella if (mWakeLockAcquired && !needsWakeLock) { 4299a844cf78f09953145200b4074d47589257a408cAravind Akella release_wake_lock(WAKE_LOCK_NAME); 4309a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 4319a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "released wakelock %s", WAKE_LOCK_NAME); 4329a844cf78f09953145200b4074d47589257a408cAravind Akella } 433fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } while (count >= 0 || Thread::exitPending()); 434fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 4353c20fbed7f3a916ced10f2ed5a272271b7d81edeSteve Block ALOGW("Exiting SensorService::threadLoop => aborting..."); 4361a62301fc58cd2af18239b0415813461bf5fc41bMathias Agopian abort(); 437fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return false; 438fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 439fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 4409a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::recordLastValueLocked( 4414b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* buffer, size_t count) { 4424b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* last = NULL; 4434b84704b97300eff3ebfab85652e64d54149d205Aravind Akella for (size_t i = 0; i < count; i++) { 4444b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* event = &buffer[i]; 4454b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (event->type != SENSOR_TYPE_META_DATA) { 4464b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (last && event->sensor != last->sensor) { 4474b84704b97300eff3ebfab85652e64d54149d205Aravind Akella mLastEventSeen.editValueFor(last->sensor) = *last; 4484b84704b97300eff3ebfab85652e64d54149d205Aravind Akella } 4494b84704b97300eff3ebfab85652e64d54149d205Aravind Akella last = event; 45094e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 45194e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 4524b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (last) { 4534b84704b97300eff3ebfab85652e64d54149d205Aravind Akella mLastEventSeen.editValueFor(last->sensor) = *last; 4544b84704b97300eff3ebfab85652e64d54149d205Aravind Akella } 45594e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian} 45694e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 457f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianvoid SensorService::sortEventBuffer(sensors_event_t* buffer, size_t count) 458f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 459f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian struct compar { 460f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static int cmp(void const* lhs, void const* rhs) { 461f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* l = static_cast<sensors_event_t const*>(lhs); 462f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* r = static_cast<sensors_event_t const*>(rhs); 463a5c106a4f0afcf061728a1cb7c8c3b908728575dMathias Agopian return l->timestamp - r->timestamp; 464f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 465f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian }; 466f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian qsort(buffer, count, sizeof(sensors_event_t), compar::cmp); 467f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 468f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 4695d2707214dfb97bd8dfcc6620be36841d3c82420Mathias AgopianString8 SensorService::getSensorName(int handle) const { 470010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian size_t count = mUserSensorList.size(); 4715d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian for (size_t i=0 ; i<count ; i++) { 472010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian const Sensor& sensor(mUserSensorList[i]); 4735d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian if (sensor.getHandle() == handle) { 4745d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return sensor.getName(); 4755d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 4765d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 4775d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian String8 result("unknown"); 4785d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return result; 4795d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian} 4805d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian 481b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akellabool SensorService::isVirtualSensor(int handle) const { 482b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella SensorInterface* sensor = mSensorMap.valueFor(handle); 483b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella return sensor->isVirtual(); 484b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella} 485b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella 4869a844cf78f09953145200b4074d47589257a408cAravind Akellabool SensorService::isWakeUpSensorEvent(const sensors_event_t& event) const { 4879a844cf78f09953145200b4074d47589257a408cAravind Akella SensorInterface* sensor = mSensorMap.valueFor(event.sensor); 4889a844cf78f09953145200b4074d47589257a408cAravind Akella return sensor->getSensor().isWakeUpSensor(); 4899a844cf78f09953145200b4074d47589257a408cAravind Akella} 4909a844cf78f09953145200b4074d47589257a408cAravind Akella 491fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianVector<Sensor> SensorService::getSensorList() 492fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 49333264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian char value[PROPERTY_VALUE_MAX]; 49433264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian property_get("debug.sensors", value, "0"); 495700180487ffec09d9df1657b018a7caadac24b75Aravind Akella const Vector<Sensor>& initialSensorList = (atoi(value)) ? 496700180487ffec09d9df1657b018a7caadac24b75Aravind Akella mUserSensorListDebug : mUserSensorList; 497700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Vector<Sensor> accessibleSensorList; 498700180487ffec09d9df1657b018a7caadac24b75Aravind Akella for (size_t i = 0; i < initialSensorList.size(); i++) { 499700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Sensor sensor = initialSensorList[i]; 500700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (canAccessSensor(sensor)) { 501700180487ffec09d9df1657b018a7caadac24b75Aravind Akella accessibleSensorList.add(sensor); 502700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } else { 503700180487ffec09d9df1657b018a7caadac24b75Aravind Akella String8 infoMessage; 504700180487ffec09d9df1657b018a7caadac24b75Aravind Akella infoMessage.appendFormat( 505700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "Skipped sensor %s because it requires permission %s", 506700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getName().string(), 507700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getRequiredPermission().string()); 508700180487ffec09d9df1657b018a7caadac24b75Aravind Akella ALOGI(infoMessage.string()); 509700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 51033264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian } 511700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return accessibleSensorList; 512fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 513fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 514fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiansp<ISensorEventConnection> SensorService::createSensorEventConnection() 515fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 5165307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t uid = IPCThreadState::self()->getCallingUid(); 5175307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian sp<SensorEventConnection> result(new SensorEventConnection(this, uid)); 518fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return result; 519fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 520fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 521db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopianvoid SensorService::cleanupConnection(SensorEventConnection* c) 522fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 523fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 524db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian const wp<SensorEventConnection> connection(c); 5257c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size_t size = mActiveSensors.size(); 526a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "%d active sensors", size); 5277c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian for (size_t i=0 ; i<size ; ) { 528db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian int handle = mActiveSensors.keyAt(i); 529db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (c->hasSensor(handle)) { 530a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "%i: disabling handle=0x%08x", i, handle); 531f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor( handle ); 532f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE_IF(!sensor, "mSensorMap[handle=0x%08x] is null!", handle); 533f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (sensor) { 534db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian sensor->activate(c, false); 535f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 536db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian } 537db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian SensorRecord* rec = mActiveSensors.valueAt(i); 538f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE_IF(!rec, "mActiveSensors[%d] is null (handle=0x%08x)!", i, handle); 539a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, 540a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian "removing connection %p for sensor[%d].handle=0x%08x", 541a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian c, i, handle); 542a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian 543db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (rec && rec->removeConnection(connection)) { 544a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "... and it was the last connection"); 5457c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveSensors.removeItemsAt(i, 1); 546f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 5477c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian delete rec; 5487c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size--; 5497c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } else { 5507c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian i++; 551fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 552fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 5537c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveConnections.remove(connection); 554787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian BatteryService::cleanup(c->getUid()); 5559a844cf78f09953145200b4074d47589257a408cAravind Akella if (c->needsWakeLock()) { 5569a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 5579a844cf78f09953145200b4074d47589257a408cAravind Akella } 558fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 559fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 560700180487ffec09d9df1657b018a7caadac24b75Aravind AkellaSensor SensorService::getSensorFromHandle(int handle) const { 561700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return mSensorMap.valueFor(handle)->getSensor(); 562700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 563700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 564fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::enable(const sp<SensorEventConnection>& connection, 565724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags) 566fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 56750df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 56850df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 56950df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 570f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 571ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian if (sensor == NULL) { 572ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian return BAD_VALUE; 573ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian } 574700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 575700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(sensor->getSensor(), "Tried enabling")) { 576700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 577700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 578700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 579ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian Mutex::Autolock _l(mLock); 5804342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh SensorRecord* rec = mActiveSensors.valueFor(handle); 5814342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (rec == 0) { 5824342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh rec = new SensorRecord(connection); 5834342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveSensors.add(handle, rec); 5844342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (sensor->isVirtual()) { 5854342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveVirtualSensors.add(handle, sensor); 5863560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 5874342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } else { 5884342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (rec->addConnection(connection)) { 5899a844cf78f09953145200b4074d47589257a408cAravind Akella // this sensor is already activated, but we are adding a connection that uses it. 5909a844cf78f09953145200b4074d47589257a408cAravind Akella // Immediately send down the last known value of the requested sensor if it's not a 5914342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // "continuous" sensor. 5924342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (sensor->getSensor().getMinDelay() == 0) { 5939a844cf78f09953145200b4074d47589257a408cAravind Akella // NOTE: The wake_up flag of this event may get set to 5949a844cf78f09953145200b4074d47589257a408cAravind Akella // WAKE_UP_SENSOR_EVENT_NEEDS_ACK if this is a wake_up event. 5954342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh sensors_event_t& event(mLastEventSeen.editValueFor(handle)); 5964342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (event.version == sizeof(sensors_event_t)) { 5979a844cf78f09953145200b4074d47589257a408cAravind Akella if (isWakeUpSensorEvent(event) && !mWakeLockAcquired) { 5989a844cf78f09953145200b4074d47589257a408cAravind Akella acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); 5999a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = true; 6009a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "acquired wakelock for on_change sensor %s", 6019a844cf78f09953145200b4074d47589257a408cAravind Akella WAKE_LOCK_NAME); 6029a844cf78f09953145200b4074d47589257a408cAravind Akella } 6039a844cf78f09953145200b4074d47589257a408cAravind Akella connection->sendEvents(&event, 1, NULL); 6049a844cf78f09953145200b4074d47589257a408cAravind Akella if (!connection->needsWakeLock() && mWakeLockAcquired) { 6059a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 6069a844cf78f09953145200b4074d47589257a408cAravind Akella } 607f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 6087c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 609fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 610fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 6114342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 6124342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (connection->addSensor(handle)) { 6134342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh BatteryService::enableSensor(connection->getUid(), handle); 6144342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // the sensor was added (which means it wasn't already there) 6154342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // so, see if this connection becomes active 6164342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (mActiveConnections.indexOf(connection) < 0) { 6174342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveConnections.add(connection); 6184342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 6194342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } else { 6204342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh ALOGW("sensor %08x already enabled in connection %p (ignoring)", 6214342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh handle, connection.get()); 6224342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 6234342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 624724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t minDelayNs = sensor->getSensor().getMinDelayNs(); 625724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (samplingPeriodNs < minDelayNs) { 626724d91d778e71c8186399f4955de14b54812b3edAravind Akella samplingPeriodNs = minDelayNs; 627724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 628724d91d778e71c8186399f4955de14b54812b3edAravind Akella 629724d91d778e71c8186399f4955de14b54812b3edAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "Calling batch handle==%d flags=%d rate=%lld timeout== %lld", 630724d91d778e71c8186399f4955de14b54812b3edAravind Akella handle, reservedFlags, samplingPeriodNs, maxBatchReportLatencyNs); 631724d91d778e71c8186399f4955de14b54812b3edAravind Akella 632724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t err = sensor->batch(connection.get(), handle, reservedFlags, samplingPeriodNs, 633724d91d778e71c8186399f4955de14b54812b3edAravind Akella maxBatchReportLatencyNs); 6344c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (err == NO_ERROR) { 6354c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella connection->setFirstFlushPending(handle, true); 6364c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella status_t err_flush = sensor->flush(connection.get(), handle); 6374c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Flush may return error if the sensor is not activated or the underlying h/w sensor does 6384c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // not support flush. 6394c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (err_flush != NO_ERROR) { 6404c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella connection->setFirstFlushPending(handle, false); 6414c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 6424c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 643724d91d778e71c8186399f4955de14b54812b3edAravind Akella 644724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (err == NO_ERROR) { 645724d91d778e71c8186399f4955de14b54812b3edAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "Calling activate on %d", handle); 646724d91d778e71c8186399f4955de14b54812b3edAravind Akella err = sensor->activate(connection.get(), true); 647724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 648724d91d778e71c8186399f4955de14b54812b3edAravind Akella 6494342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (err != NO_ERROR) { 650724d91d778e71c8186399f4955de14b54812b3edAravind Akella // batch/activate has failed, reset our state. 651ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian cleanupWithoutDisableLocked(connection, handle); 6524342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 653fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 654fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 655fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 656fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::disable(const sp<SensorEventConnection>& connection, 657fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle) 658fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 65950df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 66050df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 66150df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 662ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian Mutex::Autolock _l(mLock); 663ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t err = cleanupWithoutDisableLocked(connection, handle); 6644342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (err == NO_ERROR) { 6654342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh SensorInterface* sensor = mSensorMap.valueFor(handle); 6664342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh err = sensor ? sensor->activate(connection.get(), false) : status_t(BAD_VALUE); 6674342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 6684342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return err; 6694342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh} 6704342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 671ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopianstatus_t SensorService::cleanupWithoutDisable( 672ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle) { 673fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 674ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian return cleanupWithoutDisableLocked(connection, handle); 675ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian} 676ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian 677ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopianstatus_t SensorService::cleanupWithoutDisableLocked( 678ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle) { 679fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord* rec = mActiveSensors.valueFor(handle); 680fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec) { 681fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this connection becomes inactive 682787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian if (connection->removeSensor(handle)) { 683787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian BatteryService::disableSensor(connection->getUid(), handle); 684787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian } 685fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (connection->hasAnySensor() == false) { 686fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveConnections.remove(connection); 687fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 688fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this sensor becomes inactive 689fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec->removeConnection(connection)) { 690fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveSensors.removeItem(handle); 691f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 692fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian delete rec; 693fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 6944342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return NO_ERROR; 6957c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 6964342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return BAD_VALUE; 697fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 698fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 6997c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianstatus_t SensorService::setEventRate(const sp<SensorEventConnection>& connection, 700fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle, nsecs_t ns) 701fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 70250df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 70350df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 70450df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 705ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 706ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian if (!sensor) 707ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian return BAD_VALUE; 708ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 709700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(sensor->getSensor(), "Tried configuring")) { 710700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 711700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 712700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 7131cd700015318727d6d42236ab6274f1949fb08baMathias Agopian if (ns < 0) 7141cd700015318727d6d42236ab6274f1949fb08baMathias Agopian return BAD_VALUE; 7151cd700015318727d6d42236ab6274f1949fb08baMathias Agopian 71662569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian nsecs_t minDelayNs = sensor->getSensor().getMinDelayNs(); 71762569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian if (ns < minDelayNs) { 71862569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian ns = minDelayNs; 719ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian } 720ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 721f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian return sensor->setDelay(connection.get(), handle, ns); 722fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 723fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 724724d91d778e71c8186399f4955de14b54812b3edAravind Akellastatus_t SensorService::flushSensor(const sp<SensorEventConnection>& connection, 725724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle) { 726700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (mInitCheck != NO_ERROR) return mInitCheck; 727700180487ffec09d9df1657b018a7caadac24b75Aravind Akella SensorInterface* sensor = mSensorMap.valueFor(handle); 728700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (sensor == NULL) { 729700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 730700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 731700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 732700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(sensor->getSensor(), "Tried flushing")) { 733700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 734700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 735700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 736700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (sensor->getSensor().getType() == SENSOR_TYPE_SIGNIFICANT_MOTION) { 737700180487ffec09d9df1657b018a7caadac24b75Aravind Akella ALOGE("flush called on Significant Motion sensor"); 738700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return INVALID_OPERATION; 739700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 740700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return sensor->flush(connection.get(), handle); 741700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 742700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 743700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 744700180487ffec09d9df1657b018a7caadac24b75Aravind Akellabool SensorService::canAccessSensor(const Sensor& sensor) { 745700180487ffec09d9df1657b018a7caadac24b75Aravind Akella String16 permissionString(sensor.getRequiredPermission()); 746700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return permissionString.size() == 0 || 747700180487ffec09d9df1657b018a7caadac24b75Aravind Akella PermissionCache::checkCallingPermission(permissionString); 748724d91d778e71c8186399f4955de14b54812b3edAravind Akella} 749700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 750700180487ffec09d9df1657b018a7caadac24b75Aravind Akellabool SensorService::verifyCanAccessSensor(const Sensor& sensor, const char* operation) { 751700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (canAccessSensor(sensor)) { 752700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return true; 753700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } else { 754700180487ffec09d9df1657b018a7caadac24b75Aravind Akella String8 errorMessage; 755700180487ffec09d9df1657b018a7caadac24b75Aravind Akella errorMessage.appendFormat( 756700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "%s a sensor (%s) without holding its required permission: %s", 757700180487ffec09d9df1657b018a7caadac24b75Aravind Akella operation, 758700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getName().string(), 759700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getRequiredPermission().string()); 760700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return false; 761700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 762700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 763700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 7649a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::checkWakeLockState() { 7659a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mLock); 7669a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 7679a844cf78f09953145200b4074d47589257a408cAravind Akella} 7689a844cf78f09953145200b4074d47589257a408cAravind Akella 7699a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::checkWakeLockStateLocked() { 7709a844cf78f09953145200b4074d47589257a408cAravind Akella if (!mWakeLockAcquired) { 7719a844cf78f09953145200b4074d47589257a408cAravind Akella return; 7729a844cf78f09953145200b4074d47589257a408cAravind Akella } 7739a844cf78f09953145200b4074d47589257a408cAravind Akella bool releaseLock = true; 7749a844cf78f09953145200b4074d47589257a408cAravind Akella for (size_t i=0 ; i<mActiveConnections.size() ; i++) { 7759a844cf78f09953145200b4074d47589257a408cAravind Akella sp<SensorEventConnection> connection(mActiveConnections[i].promote()); 7769a844cf78f09953145200b4074d47589257a408cAravind Akella if (connection != 0) { 7779a844cf78f09953145200b4074d47589257a408cAravind Akella if (connection->needsWakeLock()) { 7789a844cf78f09953145200b4074d47589257a408cAravind Akella releaseLock = false; 7799a844cf78f09953145200b4074d47589257a408cAravind Akella break; 7809a844cf78f09953145200b4074d47589257a408cAravind Akella } 7819a844cf78f09953145200b4074d47589257a408cAravind Akella } 7829a844cf78f09953145200b4074d47589257a408cAravind Akella } 7839a844cf78f09953145200b4074d47589257a408cAravind Akella if (releaseLock) { 7849a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "releasing wakelock %s", WAKE_LOCK_NAME); 7859a844cf78f09953145200b4074d47589257a408cAravind Akella release_wake_lock(WAKE_LOCK_NAME); 7869a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 7879a844cf78f09953145200b4074d47589257a408cAravind Akella } 7889a844cf78f09953145200b4074d47589257a408cAravind Akella} 789fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 790fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 791fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorRecord::SensorRecord( 792fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 793fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 794fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 795fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 796fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 7977c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorRecord::addConnection( 798fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 799fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 800fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (mConnections.indexOf(connection) < 0) { 801fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 8027c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 803fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 8047c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 805fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 806fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 807fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorRecord::removeConnection( 808fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const wp<SensorEventConnection>& connection) 809fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 810fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian ssize_t index = mConnections.indexOf(connection); 811fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (index >= 0) { 812fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.removeItemsAt(index, 1); 813fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 814fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mConnections.size() ? false : true; 815fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 816fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 817fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 818fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 819fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorEventConnection::SensorEventConnection( 8205307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian const sp<SensorService>& service, uid_t uid) 8219a844cf78f09953145200b4074d47589257a408cAravind Akella : mService(service), mUid(uid), mWakeLockRefCount(0) 822fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 8234c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella const SensorDevice& device(SensorDevice::getInstance()); 8244c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (device.getHalDeviceVersion() >= SENSORS_DEVICE_API_VERSION_1_1) { 8254c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Increase socket buffer size to 1MB for batching capabilities. 8264c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mChannel = new BitTube(service->mSocketBufferSize); 8274c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } else { 8284c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mChannel = new BitTube(SOCKET_BUFFER_SIZE_NON_BATCHED); 8294c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 830fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 831fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 832fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorEventConnection::~SensorEventConnection() 833fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 834a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "~SensorEventConnection(%p)", this); 835fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mService->cleanupConnection(this); 836fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 837fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 838fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianvoid SensorService::SensorEventConnection::onFirstRef() 839fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 840fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 841fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 8429a844cf78f09953145200b4074d47589257a408cAravind Akellabool SensorService::SensorEventConnection::needsWakeLock() { 8439a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mConnectionLock); 8449a844cf78f09953145200b4074d47589257a408cAravind Akella return mWakeLockRefCount > 0; 8459a844cf78f09953145200b4074d47589257a408cAravind Akella} 8469a844cf78f09953145200b4074d47589257a408cAravind Akella 8474c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akellavoid SensorService::SensorEventConnection::dump(String8& result) { 8484c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella Mutex::Autolock _l(mConnectionLock); 8499a844cf78f09953145200b4074d47589257a408cAravind Akella result.appendFormat("%d WakeLockRefCount\n", mWakeLockRefCount); 8504c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 8514c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella const FlushInfo& flushInfo = mSensorInfo.valueAt(i); 852eefced119bc568d773b86c34cd8bc9d9574638f6Patrick Tjin result.appendFormat("\t %s | status: %s | pending flush events %d | uid %d\n", 8534c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mService->getSensorName(mSensorInfo.keyAt(i)).string(), 8544c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mFirstFlushPending ? "First flush pending" : 8554c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella "active", 856eefced119bc568d773b86c34cd8bc9d9574638f6Patrick Tjin flushInfo.mPendingFlushEventsToSend, 857eefced119bc568d773b86c34cd8bc9d9574638f6Patrick Tjin mUid); 8584c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 8594c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 8604c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 8617c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::addSensor(int32_t handle) { 86271d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 863700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(mService->getSensorFromHandle(handle), "Tried adding")) { 864700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return false; 865700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 8664c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (mSensorInfo.indexOfKey(handle) < 0) { 8674c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mSensorInfo.add(handle, FlushInfo()); 8687c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 869fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 8707c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 871fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 872fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 8737c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::removeSensor(int32_t handle) { 87471d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 8754c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (mSensorInfo.removeItem(handle) >= 0) { 8767c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 8777c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 8787c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 879fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 880fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 881fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasSensor(int32_t handle) const { 88271d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 8834c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella return mSensorInfo.indexOfKey(handle) >= 0; 884fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 885fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 886fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasAnySensor() const { 88771d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 8887c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return mSensorInfo.size() ? true : false; 8897c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian} 8907c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 8914c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akellavoid SensorService::SensorEventConnection::setFirstFlushPending(int32_t handle, 8924c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella bool value) { 8934c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella Mutex::Autolock _l(mConnectionLock); 8944c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ssize_t index = mSensorInfo.indexOfKey(handle); 8954c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (index >= 0) { 8964c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(index); 8974c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mFirstFlushPending = value; 8984c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 8994c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 9004c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 901fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::sendEvents( 902cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian sensors_event_t const* buffer, size_t numEvents, 903cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian sensors_event_t* scratch) 904fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 905cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian // filter out events not for this connection 9063560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t count = 0; 9079a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mConnectionLock); 9083560fb24b668675627934356f210d84d19bf4e56Mathias Agopian if (scratch) { 9093560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t i=0; 9103560fb24b668675627934356f210d84d19bf4e56Mathias Agopian while (i<numEvents) { 911724d91d778e71c8186399f4955de14b54812b3edAravind Akella int32_t curr = buffer[i].sensor; 912724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA) { 913724d91d778e71c8186399f4955de14b54812b3edAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "flush complete event sensor==%d ", 914724d91d778e71c8186399f4955de14b54812b3edAravind Akella buffer[i].meta_data.sensor); 915724d91d778e71c8186399f4955de14b54812b3edAravind Akella // Setting curr to the correct sensor to ensure the sensor events per connection are 916724d91d778e71c8186399f4955de14b54812b3edAravind Akella // filtered correctly. buffer[i].sensor is zero for meta_data events. 917724d91d778e71c8186399f4955de14b54812b3edAravind Akella curr = buffer[i].meta_data.sensor; 918724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 9194c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ssize_t index = mSensorInfo.indexOfKey(curr); 9204c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (index >= 0 && mSensorInfo[index].mFirstFlushPending == true && 9214c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella buffer[i].type == SENSOR_TYPE_META_DATA) { 9224c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // This is the first flush before activate is called. Events can now be sent for 9234c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // this sensor on this connection. 9244c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "First flush event for sensor==%d ", 9254c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella buffer[i].meta_data.sensor); 9264c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mSensorInfo.editValueAt(index).mFirstFlushPending = false; 9274c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 9284c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (index >= 0 && mSensorInfo[index].mFirstFlushPending == false) { 9293560fb24b668675627934356f210d84d19bf4e56Mathias Agopian do { 9304c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella scratch[count++] = buffer[i++]; 931724d91d778e71c8186399f4955de14b54812b3edAravind Akella } while ((i<numEvents) && ((buffer[i].sensor == curr) || 932724d91d778e71c8186399f4955de14b54812b3edAravind Akella (buffer[i].type == SENSOR_TYPE_META_DATA && 933724d91d778e71c8186399f4955de14b54812b3edAravind Akella buffer[i].meta_data.sensor == curr))); 9343560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } else { 9353560fb24b668675627934356f210d84d19bf4e56Mathias Agopian i++; 9363560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 937cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 9383560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } else { 9393560fb24b668675627934356f210d84d19bf4e56Mathias Agopian scratch = const_cast<sensors_event_t *>(buffer); 9403560fb24b668675627934356f210d84d19bf4e56Mathias Agopian count = numEvents; 941cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 942fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 9434c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Send pending flush events (if any) before sending events from the cache. 9444c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella { 9454c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ASensorEvent flushCompleteEvent; 9464c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushCompleteEvent.type = SENSOR_TYPE_META_DATA; 9474c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushCompleteEvent.sensor = 0; 9484c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Loop through all the sensors for this connection and check if there are any pending 9494c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // flush complete events to be sent. 9504c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 9514c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(i); 9524c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella while (flushInfo.mPendingFlushEventsToSend > 0) { 9534c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushCompleteEvent.meta_data.sensor = mSensorInfo.keyAt(i); 9544c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ssize_t size = SensorEventQueue::write(mChannel, &flushCompleteEvent, 1); 9554c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (size < 0) { 9564c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // ALOGW("dropping %d events on the floor", count); 957c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella countFlushCompleteEventsLocked(scratch, count); 9584c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella return size; 9594c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 9604c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "sent dropped flush complete event==%d ", 9614c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushCompleteEvent.meta_data.sensor); 9624c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mPendingFlushEventsToSend--; 9634c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 9644c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 9654c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 9664c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 967b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella // Early return if there are no events for this connection. 968b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella if (count == 0) { 969b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella return status_t(NO_ERROR); 970b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella } 971b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella 9729a844cf78f09953145200b4074d47589257a408cAravind Akella int numWakeUpSensorEvents = countWakeUpSensorEventsLocked(scratch, count); 973907103bf186cfdd2ed9eb3b6c36de53ade7b16f6Mathias Agopian // NOTE: ASensorEvent and sensors_event_t are the same type 974907103bf186cfdd2ed9eb3b6c36de53ade7b16f6Mathias Agopian ssize_t size = SensorEventQueue::write(mChannel, 975907103bf186cfdd2ed9eb3b6c36de53ade7b16f6Mathias Agopian reinterpret_cast<ASensorEvent const*>(scratch), count); 976fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (size == -EAGAIN) { 977fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // the destination doesn't accept events anymore, it's probably 978fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // full. For now, we just drop the events on the floor. 9794c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // ALOGW("dropping %d events on the floor", count); 980c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella countFlushCompleteEventsLocked(scratch, count); 9819a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockRefCount -= numWakeUpSensorEvents; 982fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return size; 983fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 9841e0b1e8491e5f6dc59faabe70cbfa942853150e0Jeff Brown return size < 0 ? status_t(size) : status_t(NO_ERROR); 985fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 986fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 987c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akellavoid SensorService::SensorEventConnection::countFlushCompleteEventsLocked( 9884c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sensors_event_t* scratch, const int numEventsDropped) { 9894c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "dropping %d events ", numEventsDropped); 9904c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Count flushComplete events in the events that are about to the dropped. These will be sent 9914c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // separately before the next batch of events. 9924c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (int j = 0; j < numEventsDropped; ++j) { 9934c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (scratch[j].type == SENSOR_TYPE_META_DATA) { 9944c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueFor(scratch[j].meta_data.sensor); 9954c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mPendingFlushEventsToSend++; 9964c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "increment pendingFlushCount %d", 9974c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mPendingFlushEventsToSend); 9984c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 9994c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 10004c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella return; 10014c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 10024c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 10039a844cf78f09953145200b4074d47589257a408cAravind Akellaint SensorService::SensorEventConnection::countWakeUpSensorEventsLocked( 10049a844cf78f09953145200b4074d47589257a408cAravind Akella sensors_event_t* scratch, const int count) { 10059a844cf78f09953145200b4074d47589257a408cAravind Akella for (int i = 0; i < count; ++i) { 10069a844cf78f09953145200b4074d47589257a408cAravind Akella if (mService->isWakeUpSensorEvent(scratch[i])) { 10079a844cf78f09953145200b4074d47589257a408cAravind Akella scratch[i].flags |= WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 10089a844cf78f09953145200b4074d47589257a408cAravind Akella ++mWakeLockRefCount; 10099a844cf78f09953145200b4074d47589257a408cAravind Akella return 1; 10109a844cf78f09953145200b4074d47589257a408cAravind Akella } 10119a844cf78f09953145200b4074d47589257a408cAravind Akella } 10129a844cf78f09953145200b4074d47589257a408cAravind Akella return 0; 10139a844cf78f09953145200b4074d47589257a408cAravind Akella} 10149a844cf78f09953145200b4074d47589257a408cAravind Akella 1015b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopiansp<BitTube> SensorService::SensorEventConnection::getSensorChannel() const 1016fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1017fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mChannel; 1018fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1019fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1020fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::enableDisable( 1021724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, bool enabled, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, 1022724d91d778e71c8186399f4955de14b54812b3edAravind Akella int reservedFlags) 1023fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1024fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t err; 1025fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (enabled) { 1026724d91d778e71c8186399f4955de14b54812b3edAravind Akella err = mService->enable(this, handle, samplingPeriodNs, maxBatchReportLatencyNs, 1027724d91d778e71c8186399f4955de14b54812b3edAravind Akella reservedFlags); 1028fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } else { 1029fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian err = mService->disable(this, handle); 1030fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 1031fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 1032fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1033fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1034fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::setEventRate( 1035724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, nsecs_t samplingPeriodNs) 1036fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1037724d91d778e71c8186399f4955de14b54812b3edAravind Akella return mService->setEventRate(this, handle, samplingPeriodNs); 1038fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1039fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1040701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akellastatus_t SensorService::SensorEventConnection::flush() { 1041c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella SensorDevice& dev(SensorDevice::getInstance()); 1042c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella const int halVersion = dev.getHalDeviceVersion(); 1043701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella Mutex::Autolock _l(mConnectionLock); 1044701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella status_t err(NO_ERROR); 1045c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella // Loop through all sensors for this connection and call flush on each of them. 1046701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 1047701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella const int handle = mSensorInfo.keyAt(i); 1048b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella if (halVersion < SENSORS_DEVICE_API_VERSION_1_1 || mService->isVirtualSensor(handle)) { 1049c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella // For older devices just increment pending flush count which will send a trivial 1050c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella // flush complete event. 1051c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueFor(handle); 1052c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella flushInfo.mPendingFlushEventsToSend++; 1053c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella } else { 1054c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella status_t err_flush = mService->flushSensor(this, handle); 1055c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella if (err_flush != NO_ERROR) { 1056c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella ALOGE("Flush error handle=%d %s", handle, strerror(-err_flush)); 1057c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella } 1058c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akella err = (err_flush != NO_ERROR) ? err_flush : err; 1059701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella } 1060701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella } 1061701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akella return err; 1062724d91d778e71c8186399f4955de14b54812b3edAravind Akella} 10634c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 10649a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::SensorEventConnection::decreaseWakeLockRefCount() { 10659a844cf78f09953145200b4074d47589257a408cAravind Akella { 10669a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mConnectionLock); 10679a844cf78f09953145200b4074d47589257a408cAravind Akella --mWakeLockRefCount; 10689a844cf78f09953145200b4074d47589257a408cAravind Akella } 10699a844cf78f09953145200b4074d47589257a408cAravind Akella // Release the lock before calling checkWakeLockState which also needs the same connectionLock. 10709a844cf78f09953145200b4074d47589257a408cAravind Akella if (mWakeLockRefCount == 0) { 10719a844cf78f09953145200b4074d47589257a408cAravind Akella mService->checkWakeLockState(); 10729a844cf78f09953145200b4074d47589257a408cAravind Akella } 10739a844cf78f09953145200b4074d47589257a408cAravind Akella} 10749a844cf78f09953145200b4074d47589257a408cAravind Akella 1075fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 1076fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 1077fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1078