SensorService.cpp revision e148bc29c27ae7a346fa686fdda6425ba202d97a
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> 2156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#include <sys/socket.h> 22fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 233301542828febc768e1df42892cfac4992c35474Mathias Agopian#include <cutils/properties.h> 243301542828febc768e1df42892cfac4992c35474Mathias Agopian 25fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/SortedVector.h> 26fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/KeyedVector.h> 27fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/threads.h> 28fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/Atomic.h> 29fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/Errors.h> 30fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <utils/RefBase.h> 31451beee076cac09f817abae78a990dea108a9482Mathias Agopian#include <utils/Singleton.h> 32c4a930d1d5a432a1f302763ac55460d6e83fe7e0Mathias Agopian#include <utils/String16.h> 33fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 34fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <binder/BinderService.h> 35451beee076cac09f817abae78a990dea108a9482Mathias Agopian#include <binder/IServiceManager.h> 361cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian#include <binder/PermissionCache.h> 37fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 38fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorServer.h> 39fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <gui/ISensorEventConnection.h> 40907103bf186cfdd2ed9eb3b6c36de53ade7b16f6Mathias Agopian#include <gui/SensorEventQueue.h> 41fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 42fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian#include <hardware/sensors.h> 434342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh#include <hardware_legacy/power.h> 44fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 45787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian#include "BatteryService.h" 46984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "CorrectedGyroSensor.h" 47f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "GravitySensor.h" 48f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "LinearAccelerationSensor.h" 49984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "OrientationSensor.h" 50f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian#include "RotationVectorSensor.h" 51984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "SensorFusion.h" 52984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian#include "SensorService.h" 53fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 54fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiannamespace android { 55fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 56fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 573301542828febc768e1df42892cfac4992c35474Mathias Agopian/* 583301542828febc768e1df42892cfac4992c35474Mathias Agopian * Notes: 593301542828febc768e1df42892cfac4992c35474Mathias Agopian * 603301542828febc768e1df42892cfac4992c35474Mathias Agopian * - what about a gyro-corrected magnetic-field sensor? 613301542828febc768e1df42892cfac4992c35474Mathias Agopian * - run mag sensor from time to time to force calibration 623301542828febc768e1df42892cfac4992c35474Mathias Agopian * - gravity sensor length is wrong (=> drift in linear-acc sensor) 633301542828febc768e1df42892cfac4992c35474Mathias Agopian * 643301542828febc768e1df42892cfac4992c35474Mathias Agopian */ 653301542828febc768e1df42892cfac4992c35474Mathias Agopian 664342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganeshconst char* SensorService::WAKE_LOCK_NAME = "SensorService"; 674342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 68fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorService() 691cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian : mInitCheck(NO_INIT) 70fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 71fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 72fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 73fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianvoid SensorService::onFirstRef() 74fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 75a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD("nuSensorService starting..."); 7650df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 77f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice& dev(SensorDevice::getInstance()); 78fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 79f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (dev.initCheck() == NO_ERROR) { 80f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensor_t const* list; 817b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian ssize_t count = dev.getSensorList(&list); 827b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (count > 0) { 837b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian ssize_t orientationIndex = -1; 847b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian bool hasGyro = false; 857b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian uint32_t virtualSensorsNeeds = 867b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_GRAVITY) | 877b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_LINEAR_ACCELERATION) | 887b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian (1<<SENSOR_TYPE_ROTATION_VECTOR); 897b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 907b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mLastEventSeen.setCapacity(count); 917b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian for (ssize_t i=0 ; i<count ; i++) { 927b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian registerSensor( new HardwareSensor(list[i]) ); 937b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian switch (list[i].type) { 947b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_ORIENTATION: 957b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian orientationIndex = i; 967b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 977b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_GYROSCOPE: 980319306670b0344da99efa606b6f172dde575a39Mathias Agopian case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED: 997b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian hasGyro = true; 1007b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 1017b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_GRAVITY: 1027b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_LINEAR_ACCELERATION: 1037b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian case SENSOR_TYPE_ROTATION_VECTOR: 1047b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian virtualSensorsNeeds &= ~(1<<list[i].type); 1057b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian break; 1067b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 10750df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian } 108fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1097b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // it's safe to instantiate the SensorFusion object here 1107b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // (it wants to be instantiated after h/w sensors have been 1117b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian // registered) 1127b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian const SensorFusion& fusion(SensorFusion::getInstance()); 1137b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1140319306670b0344da99efa606b6f172dde575a39Mathias Agopian // build the sensor list returned to users 1150319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList = mSensorList; 1160319306670b0344da99efa606b6f172dde575a39Mathias Agopian 1177b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian if (hasGyro) { 1180319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor aSensor; 1197b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1200319306670b0344da99efa606b6f172dde575a39Mathias Agopian // Add Android virtual sensors if they're not already 1210319306670b0344da99efa606b6f172dde575a39Mathias Agopian // available in the HAL 1227b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian 1230319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new RotationVectorSensor() ); 1240319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_ROTATION_VECTOR)) { 1250319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.add(aSensor); 1260319306670b0344da99efa606b6f172dde575a39Mathias Agopian } 127f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 1280319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new GravitySensor(list, count) ); 1290319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_GRAVITY)) { 1300319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.add(aSensor); 1310319306670b0344da99efa606b6f172dde575a39Mathias Agopian } 13233264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian 1330319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new LinearAccelerationSensor(list, count) ); 1340319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_LINEAR_ACCELERATION)) { 1350319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.add(aSensor); 1360319306670b0344da99efa606b6f172dde575a39Mathias Agopian } 13733264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian 1380319306670b0344da99efa606b6f172dde575a39Mathias Agopian aSensor = registerVirtualSensor( new OrientationSensor() ); 1390319306670b0344da99efa606b6f172dde575a39Mathias Agopian if (virtualSensorsNeeds & (1<<SENSOR_TYPE_ROTATION_VECTOR)) { 1400319306670b0344da99efa606b6f172dde575a39Mathias Agopian // if we are doing our own rotation-vector, also add 1410319306670b0344da99efa606b6f172dde575a39Mathias Agopian // the orientation sensor and remove the HAL provided one. 1420319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorList.replaceAt(aSensor, orientationIndex); 1437b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 1440319306670b0344da99efa606b6f172dde575a39Mathias Agopian 1450319306670b0344da99efa606b6f172dde575a39Mathias Agopian // virtual debugging sensors are not added to mUserSensorList 1460319306670b0344da99efa606b6f172dde575a39Mathias Agopian registerVirtualSensor( new CorrectedGyroSensor(list, count) ); 1470319306670b0344da99efa606b6f172dde575a39Mathias Agopian registerVirtualSensor( new GyroDriftSensor() ); 148010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian } 149010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian 15033264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian // debugging sensor list 1510319306670b0344da99efa606b6f172dde575a39Mathias Agopian mUserSensorListDebug = mSensorList; 15233264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian 1535466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Check if the device really supports batching by looking at the FIFO event 1545466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // counts for each sensor. 1555466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella bool batchingSupported = false; 1565466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella for (int i = 0; i < mSensorList.size(); ++i) { 1575466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella if (mSensorList[i].getFifoMaxEventCount() > 0) { 1585466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella batchingSupported = true; 1595466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella break; 1605466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella } 1615466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella } 1625466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella 1635466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella if (batchingSupported) { 1645466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Increase socket buffer size to a max of 100 KB for batching capabilities. 1655466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella mSocketBufferSize = MAX_SOCKET_BUFFER_SIZE_BATCHED; 1665466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella } else { 1675466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella mSocketBufferSize = SOCKET_BUFFER_SIZE_NON_BATCHED; 1685466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella } 1695466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella 1705466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Compare the socketBufferSize value against the system limits and limit 1715466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // it to maxSystemSocketBufferSize if necessary. 1724c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FILE *fp = fopen("/proc/sys/net/core/wmem_max", "r"); 1734c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella char line[128]; 1744c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (fp != NULL && fgets(line, sizeof(line), fp) != NULL) { 1754c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella line[sizeof(line) - 1] = '\0'; 1765466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella size_t maxSystemSocketBufferSize; 1775466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella sscanf(line, "%zu", &maxSystemSocketBufferSize); 1785466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella if (mSocketBufferSize > maxSystemSocketBufferSize) { 1795466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella mSocketBufferSize = maxSystemSocketBufferSize; 1804c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 1814c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 1824c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (fp) { 1834c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella fclose(fp); 1844c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 1854c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 1869a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 1877b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian run("SensorService", PRIORITY_URGENT_DISPLAY); 18856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mLooper = new Looper(false); 1898493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella 1908493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella const size_t minBufferSize = SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT; 1918493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mSensorEventBuffer = new sensors_event_t[minBufferSize]; 1928493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mSensorEventScratch = new sensors_event_t[minBufferSize]; 1938493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mMapFlushEventsToConnections = new SensorEventConnection const * [minBufferSize]; 1947b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian mInitCheck = NO_ERROR; 1957b2b32f2e761a919deb6f82d978b379429f77b05Mathias Agopian } 196fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 197fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 198fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1990319306670b0344da99efa606b6f172dde575a39Mathias AgopianSensor SensorService::registerSensor(SensorInterface* s) 200f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 201f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t event; 202f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian memset(&event, 0, sizeof(event)); 203f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 204f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const Sensor sensor(s->getSensor()); 205f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // add to the sensor list (returned to clients) 206f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mSensorList.add(sensor); 207f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // add to our handle->SensorInterface mapping 208f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mSensorMap.add(sensor.getHandle(), s); 209f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // create an entry in the mLastEventSeen array 210f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mLastEventSeen.add(sensor.getHandle(), event); 2110319306670b0344da99efa606b6f172dde575a39Mathias Agopian 2120319306670b0344da99efa606b6f172dde575a39Mathias Agopian return sensor; 213f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 214f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 2150319306670b0344da99efa606b6f172dde575a39Mathias AgopianSensor SensorService::registerVirtualSensor(SensorInterface* s) 216f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 2170319306670b0344da99efa606b6f172dde575a39Mathias Agopian Sensor sensor = registerSensor(s); 218f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mVirtualSensorList.add( s ); 2190319306670b0344da99efa606b6f172dde575a39Mathias Agopian return sensor; 220f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 221f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 222fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::~SensorService() 223fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 224f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t i=0 ; i<mSensorMap.size() ; i++) 225f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian delete mSensorMap.valueAt(i); 226fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 227fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 2281cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopianstatic const String16 sDump("android.permission.DUMP"); 2291cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian 23092dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzynstatus_t SensorService::dump(int fd, const Vector<String16>& /*args*/) 231fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 232fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian String8 result; 2331cb13461a8cf62e3ba634e5965332f2d284f6d42Mathias Agopian if (!PermissionCache::checkCallingPermission(sDump)) { 234ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat("Permission Denial: " 235700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "can't dump SensorService from pid=%d, uid=%d\n", 236fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian IPCThreadState::self()->getCallingPid(), 237fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian IPCThreadState::self()->getCallingUid()); 238fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } else { 239fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 240ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.append("Sensor List:\n"); 2413560fb24b668675627934356f210d84d19bf4e56Mathias Agopian for (size_t i=0 ; i<mSensorList.size() ; i++) { 2423560fb24b668675627934356f210d84d19bf4e56Mathias Agopian const Sensor& s(mSensorList[i]); 2433560fb24b668675627934356f210d84d19bf4e56Mathias Agopian const sensors_event_t& e(mLastEventSeen.valueFor(s.getHandle())); 244ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 2456c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella "%-15s| %-10s| %-20s| 0x%08x | \"%s\" | type=%d |", 2463560fb24b668675627934356f210d84d19bf4e56Mathias Agopian s.getName().string(), 2473560fb24b668675627934356f210d84d19bf4e56Mathias Agopian s.getVendor().string(), 248700180487ffec09d9df1657b018a7caadac24b75Aravind Akella s.getStringType().string(), 249700180487ffec09d9df1657b018a7caadac24b75Aravind Akella s.getHandle(), 2506c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella s.getRequiredPermission().string(), 2516c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella s.getType()); 252ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian 2530e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella const int reportingMode = s.getReportingMode(); 2540e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella if (reportingMode == AREPORTING_MODE_CONTINUOUS) { 2556c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.append(" continuous | "); 2560e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella } else if (reportingMode == AREPORTING_MODE_ON_CHANGE) { 2576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.append(" on-change | "); 2580e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella } else if (reportingMode == AREPORTING_MODE_ONE_SHOT) { 2596c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.append(" one-shot | "); 2600e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella } else { 2616c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.append(" special-trigger | "); 2626c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 2636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 2646c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (s.getMaxDelay() > 0) { 2656c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat("minRate=%.2fHz | ", 1e6f / s.getMaxDelay()); 2666c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } else { 2676c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat("maxDelay=%dus |", s.getMaxDelay()); 2680e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella } 2690e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella 270ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian if (s.getMinDelay() > 0) { 2716c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat("maxRate=%.2fHz | ", 1e6f / s.getMinDelay()); 272ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian } else { 2736c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat("minDelay=%dus |", s.getMinDelay()); 274ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian } 2750e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella 276724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (s.getFifoMaxEventCount() > 0) { 277700180487ffec09d9df1657b018a7caadac24b75Aravind Akella result.appendFormat("FifoMax=%d events | ", 278700180487ffec09d9df1657b018a7caadac24b75Aravind Akella s.getFifoMaxEventCount()); 279724d91d778e71c8186399f4955de14b54812b3edAravind Akella } else { 2806c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.append("no batching | "); 2816c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 2826c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 2836c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (s.isWakeUpSensor()) { 2846c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat("wakeUp | "); 2856c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } else { 2866c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat("non-wakeUp | "); 287724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 288ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian 289ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian switch (s.getType()) { 290ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_ROTATION_VECTOR: 291ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR: 292ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 2936c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella "last=<%5.1f,%5.1f,%5.1f,%5.1f,%5.1f, %" PRId64 ">\n", 2946c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella e.data[0], e.data[1], e.data[2], e.data[3], e.data[4], e.timestamp); 295ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 296ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED: 297ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED: 298ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 2996c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella "last=<%5.1f,%5.1f,%5.1f,%5.1f,%5.1f,%5.1f, %" PRId64 ">\n", 3006c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella e.data[0], e.data[1], e.data[2], e.data[3], e.data[4], e.data[5], 3016c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella e.timestamp); 302ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 303ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_GAME_ROTATION_VECTOR: 304ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 3056c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella "last=<%5.1f,%5.1f,%5.1f,%5.1f, %" PRId64 ">\n", 3066c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella e.data[0], e.data[1], e.data[2], e.data[3], e.timestamp); 307ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 308ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_SIGNIFICANT_MOTION: 309ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_STEP_DETECTOR: 3106c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat( "last=<%f %" PRId64 ">\n", e.data[0], e.timestamp); 311ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 312ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian case SENSOR_TYPE_STEP_COUNTER: 3136c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat( "last=<%" PRIu64 ", %" PRId64 ">\n", e.u64.step_counter, 3146c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella e.timestamp); 315ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 316ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian default: 317ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian // default to 3 values 318ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.appendFormat( 3196c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella "last=<%5.1f,%5.1f,%5.1f, %" PRId64 ">\n", 3206c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella e.data[0], e.data[1], e.data[2], e.timestamp); 321ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian break; 322ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian } 3236c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.append("\n"); 3243560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 325ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian SensorFusion::getInstance().dump(result); 326ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian SensorDevice::getInstance().dump(result); 327ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian 328ba02cd2f6cc3f59adf66cb2b9176bfe6c9e382d1Mathias Agopian result.append("Active sensors:\n"); 329fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian for (size_t i=0 ; i<mActiveSensors.size() ; i++) { 3305d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian int handle = mActiveSensors.keyAt(i); 33192dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat("%s (handle=0x%08x, connections=%zu)\n", 3325d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian getSensorName(handle).string(), 3335d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian handle, 334fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveSensors.valueAt(i)->getNumConnections()); 335fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 3364c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 3375466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella result.appendFormat("Socket Buffer size = %d events\n", 3386c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mSocketBufferSize/sizeof(sensors_event_t)); 3399a844cf78f09953145200b4074d47589257a408cAravind Akella result.appendFormat("WakeLock Status: %s \n", mWakeLockAcquired ? "acquired" : "not held"); 34092dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat("%zd active connections\n", mActiveConnections.size()); 3414c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 3424c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (size_t i=0 ; i < mActiveConnections.size() ; i++) { 3434c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sp<SensorEventConnection> connection(mActiveConnections[i].promote()); 3444c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (connection != 0) { 34592dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn result.appendFormat("Connection Number: %zu \n", i); 3464c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella connection->dump(result); 3474c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 3484c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 349fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 350fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian write(fd, result.string(), result.size()); 351fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return NO_ERROR; 352fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 353fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 3549a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::cleanupAutoDisabledSensorLocked(const sp<SensorEventConnection>& connection, 3554342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh sensors_event_t const* buffer, const int count) { 3564342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i=0 ; i<count ; i++) { 3574342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh int handle = buffer[i].sensor; 3588493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA) { 3598493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella handle = buffer[i].meta_data.sensor; 3608493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 3610e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella if (connection->hasSensor(handle)) { 3620e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella SensorInterface* sensor = mSensorMap.valueFor(handle); 3630e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella // If this buffer has an event from a one_shot sensor and this connection is registered 3640e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella // for this particular one_shot sensor, try cleaning up the connection. 3650e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella if (sensor != NULL && 3660e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella sensor->getSensor().getReportingMode() == AREPORTING_MODE_ONE_SHOT) { 3670e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella sensor->autoDisable(connection.get(), handle); 3689a844cf78f09953145200b4074d47589257a408cAravind Akella cleanupWithoutDisableLocked(connection, handle); 3694342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3704342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3714342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 3724342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh} 3734342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 374fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::threadLoop() 375fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 376a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD("nuSensorService thread starting..."); 377fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 37890ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian // each virtual sensor could generate an event per "real" event, that's why we need 37990ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian // to size numEventMax much smaller than MAX_RECEIVE_BUFFER_EVENT_COUNT. 38090ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian // in practice, this is too aggressive, but guaranteed to be enough. 38190ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian const size_t minBufferSize = SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT; 38290ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian const size_t numEventMax = minBufferSize / (1 + mVirtualSensorList.size()); 38390ed3e8d7883d9c80fb8bf11b1c593bd8b2b39d0Mathias Agopian 384f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorDevice& device(SensorDevice::getInstance()); 385f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian const size_t vcount = mVirtualSensorList.size(); 386fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 38756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella SensorEventAckReceiver sender(this); 38856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sender.run("SensorEventAckReceiver", PRIORITY_URGENT_DISPLAY); 3894342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh const int halVersion = device.getHalDeviceVersion(); 390fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian do { 3918493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella ssize_t count = device.poll(mSensorEventBuffer, numEventMax); 3928493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (count < 0) { 393f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE("sensor poll failed (%s)", strerror(-count)); 394fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian break; 395fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 39656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 39756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Reset sensors_event_t.flags to zero for all events in the buffer. 39856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella for (int i = 0; i < count; i++) { 3998493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mSensorEventBuffer[i].flags = 0; 40056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 401e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella 402e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella // Make a copy of the connection vector as some connections may be removed during the 403e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella // course of this loop (especially when one-shot sensor events are present in the 404e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella // sensor_event buffer). Promote all connections to StrongPointers before the lock is 405e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella // acquired. If the destructor of the sp gets called when the lock is acquired, it may 406e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella // result in a deadlock as ~SensorEventConnection() needs to acquire mLock again for 407e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella // cleanup. So copy all the strongPointers to a vector before the lock is acquired. 408e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella SortedVector< sp<SensorEventConnection> > activeConnections; 409e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella { 410e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella Mutex::Autolock _l(mLock); 411e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella for (size_t i=0 ; i < mActiveConnections.size(); ++i) { 412e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella sp<SensorEventConnection> connection(mActiveConnections[i].promote()); 413e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella if (connection != 0) { 414e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella activeConnections.add(connection); 415e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella } 416e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella } 417e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella } 418e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella 4199a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mLock); 4209a844cf78f09953145200b4074d47589257a408cAravind Akella // Poll has returned. Hold a wakelock if one of the events is from a wake up sensor. The 4219a844cf78f09953145200b4074d47589257a408cAravind Akella // rest of this loop is under a critical section protected by mLock. Acquiring a wakeLock, 4229a844cf78f09953145200b4074d47589257a408cAravind Akella // sending events to clients (incrementing SensorEventConnection::mWakeLockRefCount) should 4239a844cf78f09953145200b4074d47589257a408cAravind Akella // not be interleaved with decrementing SensorEventConnection::mWakeLockRefCount and 4249a844cf78f09953145200b4074d47589257a408cAravind Akella // releasing the wakelock. 4259a844cf78f09953145200b4074d47589257a408cAravind Akella bool bufferHasWakeUpEvent = false; 4264342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i = 0; i < count; i++) { 4278493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (isWakeUpSensorEvent(mSensorEventBuffer[i])) { 4289a844cf78f09953145200b4074d47589257a408cAravind Akella bufferHasWakeUpEvent = true; 4299a844cf78f09953145200b4074d47589257a408cAravind Akella break; 4304342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4314342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4324342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 4339a844cf78f09953145200b4074d47589257a408cAravind Akella if (bufferHasWakeUpEvent && !mWakeLockAcquired) { 4349a844cf78f09953145200b4074d47589257a408cAravind Akella acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); 4359a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = true; 4369a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "acquired wakelock %s", WAKE_LOCK_NAME); 4379a844cf78f09953145200b4074d47589257a408cAravind Akella } 4388493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella recordLastValueLocked(mSensorEventBuffer, count); 43994e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 440f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // handle virtual sensors 441f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (count && vcount) { 4428493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t const * const event = mSensorEventBuffer; 4439a844cf78f09953145200b4074d47589257a408cAravind Akella const size_t activeVirtualSensorCount = mActiveVirtualSensors.size(); 444f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (activeVirtualSensorCount) { 445f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian size_t k = 0; 446984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian SensorFusion& fusion(SensorFusion::getInstance()); 447984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian if (fusion.isEnabled()) { 448984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian for (size_t i=0 ; i<size_t(count) ; i++) { 449984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian fusion.process(event[i]); 450984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 451984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 452d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian for (size_t i=0 ; i<size_t(count) && k<minBufferSize ; i++) { 453f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t j=0 ; j<activeVirtualSensorCount ; j++) { 454d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian if (count + k >= minBufferSize) { 455d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian ALOGE("buffer too small to hold all events: " 456db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn "count=%zd, k=%zu, size=%zu", 457d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian count, k, minBufferSize); 458d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian break; 459d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian } 460f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t out; 4619a844cf78f09953145200b4074d47589257a408cAravind Akella SensorInterface* si = mActiveVirtualSensors.valueAt(j); 462d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian if (si->process(&out, event[i])) { 4638493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mSensorEventBuffer[count + k] = out; 464f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian k++; 465f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 466f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 467f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 468f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (k) { 469f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // record the last synthesized values 4708493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella recordLastValueLocked(&mSensorEventBuffer[count], k); 471f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian count += k; 472f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // sort the buffer by time-stamps 4738493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sortEventBuffer(mSensorEventBuffer, count); 474f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 475f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 476f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 477f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 4784342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // handle backward compatibility for RotationVector sensor 4794342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (halVersion < SENSORS_DEVICE_API_VERSION_1_0) { 4804342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i = 0; i < count; i++) { 4818493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (mSensorEventBuffer[i].type == SENSOR_TYPE_ROTATION_VECTOR) { 4824342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // All the 4 components of the quaternion should be available 4834342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // No heading accuracy. Set it to -1 4848493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mSensorEventBuffer[i].data[4] = -1; 4858493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 4868493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 4878493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 4888493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella 4898493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // Map flush_complete_events in the buffer to SensorEventConnections which called 4908493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // flush on the hardware sensor. mapFlushEventsToConnections[i] will be the 4918493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // SensorEventConnection mapped to the corresponding flush_complete_event in 4928493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // mSensorEventBuffer[i] if such a mapping exists (NULL otherwise). 4938493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella for (int i = 0; i < count; ++i) { 4948493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mMapFlushEventsToConnections[i] = NULL; 4958493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (mSensorEventBuffer[i].type == SENSOR_TYPE_META_DATA) { 4968493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella const int sensor_handle = mSensorEventBuffer[i].meta_data.sensor; 4978493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorRecord* rec = mActiveSensors.valueFor(sensor_handle); 4988493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (rec != NULL) { 4998493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mMapFlushEventsToConnections[i] = rec->getFirstPendingFlushConnection(); 5008493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella rec->removeFirstPendingFlushConnection(); 5014342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 5024342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 5034342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 5044342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 5059a844cf78f09953145200b4074d47589257a408cAravind Akella // Send our events to clients. Check the state of wake lock for each client and release the 5069a844cf78f09953145200b4074d47589257a408cAravind Akella // lock if none of the clients need it. 5079a844cf78f09953145200b4074d47589257a408cAravind Akella bool needsWakeLock = false; 5088493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella size_t numConnections = activeConnections.size(); 5098493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella for (size_t i=0 ; i < numConnections; ++i) { 510e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella if (activeConnections[i] != 0) { 511e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella activeConnections[i]->sendEvents(mSensorEventBuffer, count, mSensorEventScratch, 5128493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mMapFlushEventsToConnections); 513e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella needsWakeLock |= activeConnections[i]->needsWakeLock(); 5148493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // If the connection has one-shot sensors, it may be cleaned up after first trigger. 5158493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // Early check for one-shot sensors. 516e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella if (activeConnections[i]->hasOneShotSensors()) { 517e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella cleanupAutoDisabledSensorLocked(activeConnections[i], mSensorEventBuffer, 518e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella count); 5198493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 520fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 521fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 5224342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 5239a844cf78f09953145200b4074d47589257a408cAravind Akella if (mWakeLockAcquired && !needsWakeLock) { 5249a844cf78f09953145200b4074d47589257a408cAravind Akella release_wake_lock(WAKE_LOCK_NAME); 5259a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 5269a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "released wakelock %s", WAKE_LOCK_NAME); 5279a844cf78f09953145200b4074d47589257a408cAravind Akella } 5288493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } while (!Thread::exitPending()); 529fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 5303c20fbed7f3a916ced10f2ed5a272271b7d81edeSteve Block ALOGW("Exiting SensorService::threadLoop => aborting..."); 5311a62301fc58cd2af18239b0415813461bf5fc41bMathias Agopian abort(); 532fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return false; 533fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 534fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 53556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellasp<Looper> SensorService::getLooper() const { 53656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return mLooper; 53756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 53856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 53956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellabool SensorService::SensorEventAckReceiver::threadLoop() { 54056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOGD("new thread SensorEventAckReceiver"); 54156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella do { 54256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> looper = mService->getLooper(); 54356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella looper->pollOnce(-1); 54456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } while(!Thread::exitPending()); 54556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return false; 54656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 54756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 5489a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::recordLastValueLocked( 5494b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* buffer, size_t count) { 5504b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* last = NULL; 5514b84704b97300eff3ebfab85652e64d54149d205Aravind Akella for (size_t i = 0; i < count; i++) { 5524b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* event = &buffer[i]; 5534b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (event->type != SENSOR_TYPE_META_DATA) { 5544b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (last && event->sensor != last->sensor) { 5554b84704b97300eff3ebfab85652e64d54149d205Aravind Akella mLastEventSeen.editValueFor(last->sensor) = *last; 5564b84704b97300eff3ebfab85652e64d54149d205Aravind Akella } 5574b84704b97300eff3ebfab85652e64d54149d205Aravind Akella last = event; 55894e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 55994e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 5604b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (last) { 5614b84704b97300eff3ebfab85652e64d54149d205Aravind Akella mLastEventSeen.editValueFor(last->sensor) = *last; 5624b84704b97300eff3ebfab85652e64d54149d205Aravind Akella } 56394e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian} 56494e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 565f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianvoid SensorService::sortEventBuffer(sensors_event_t* buffer, size_t count) 566f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 567f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian struct compar { 568f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static int cmp(void const* lhs, void const* rhs) { 569f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* l = static_cast<sensors_event_t const*>(lhs); 570f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* r = static_cast<sensors_event_t const*>(rhs); 571a5c106a4f0afcf061728a1cb7c8c3b908728575dMathias Agopian return l->timestamp - r->timestamp; 572f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 573f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian }; 574f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian qsort(buffer, count, sizeof(sensors_event_t), compar::cmp); 575f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 576f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 5775d2707214dfb97bd8dfcc6620be36841d3c82420Mathias AgopianString8 SensorService::getSensorName(int handle) const { 578010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian size_t count = mUserSensorList.size(); 5795d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian for (size_t i=0 ; i<count ; i++) { 580010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian const Sensor& sensor(mUserSensorList[i]); 5815d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian if (sensor.getHandle() == handle) { 5825d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return sensor.getName(); 5835d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 5845d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 5855d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian String8 result("unknown"); 5865d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return result; 5875d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian} 5885d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian 589b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akellabool SensorService::isVirtualSensor(int handle) const { 590b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella SensorInterface* sensor = mSensorMap.valueFor(handle); 591b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella return sensor->isVirtual(); 592b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella} 593b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella 5949a844cf78f09953145200b4074d47589257a408cAravind Akellabool SensorService::isWakeUpSensorEvent(const sensors_event_t& event) const { 5957869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan int handle = event.sensor; 5967869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan if (event.type == SENSOR_TYPE_META_DATA) { 5977869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan handle = event.meta_data.sensor; 5987869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan } 5997869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan SensorInterface* sensor = mSensorMap.valueFor(handle); 6007869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan return sensor != NULL && sensor->getSensor().isWakeUpSensor(); 6019a844cf78f09953145200b4074d47589257a408cAravind Akella} 6029a844cf78f09953145200b4074d47589257a408cAravind Akella 6036c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 6046c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind AkellaSensorService::SensorRecord * SensorService::getSensorRecord(int handle) { 6056c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return mActiveSensors.valueFor(handle); 6066c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 6076c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 608fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianVector<Sensor> SensorService::getSensorList() 609fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 61033264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian char value[PROPERTY_VALUE_MAX]; 61133264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian property_get("debug.sensors", value, "0"); 612700180487ffec09d9df1657b018a7caadac24b75Aravind Akella const Vector<Sensor>& initialSensorList = (atoi(value)) ? 613700180487ffec09d9df1657b018a7caadac24b75Aravind Akella mUserSensorListDebug : mUserSensorList; 614700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Vector<Sensor> accessibleSensorList; 615700180487ffec09d9df1657b018a7caadac24b75Aravind Akella for (size_t i = 0; i < initialSensorList.size(); i++) { 616700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Sensor sensor = initialSensorList[i]; 617700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (canAccessSensor(sensor)) { 618700180487ffec09d9df1657b018a7caadac24b75Aravind Akella accessibleSensorList.add(sensor); 619700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } else { 620700180487ffec09d9df1657b018a7caadac24b75Aravind Akella String8 infoMessage; 621700180487ffec09d9df1657b018a7caadac24b75Aravind Akella infoMessage.appendFormat( 622700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "Skipped sensor %s because it requires permission %s", 623700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getName().string(), 624700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getRequiredPermission().string()); 625700180487ffec09d9df1657b018a7caadac24b75Aravind Akella ALOGI(infoMessage.string()); 626700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 62733264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian } 628700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return accessibleSensorList; 629fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 630fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 631fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiansp<ISensorEventConnection> SensorService::createSensorEventConnection() 632fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 6335307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t uid = IPCThreadState::self()->getCallingUid(); 6345307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian sp<SensorEventConnection> result(new SensorEventConnection(this, uid)); 635fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return result; 636fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 637fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 638db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopianvoid SensorService::cleanupConnection(SensorEventConnection* c) 639fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 640fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 641db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian const wp<SensorEventConnection> connection(c); 6427c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size_t size = mActiveSensors.size(); 643db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn ALOGD_IF(DEBUG_CONNECTIONS, "%zu active sensors", size); 6447c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian for (size_t i=0 ; i<size ; ) { 645db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian int handle = mActiveSensors.keyAt(i); 646db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (c->hasSensor(handle)) { 647db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn ALOGD_IF(DEBUG_CONNECTIONS, "%zu: disabling handle=0x%08x", i, handle); 648f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor( handle ); 649f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE_IF(!sensor, "mSensorMap[handle=0x%08x] is null!", handle); 650f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (sensor) { 651db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian sensor->activate(c, false); 652f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 653db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian } 654db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian SensorRecord* rec = mActiveSensors.valueAt(i); 655db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn ALOGE_IF(!rec, "mActiveSensors[%zu] is null (handle=0x%08x)!", i, handle); 656a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, 657db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn "removing connection %p for sensor[%zu].handle=0x%08x", 658a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian c, i, handle); 659a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian 660db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (rec && rec->removeConnection(connection)) { 661a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "... and it was the last connection"); 6627c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveSensors.removeItemsAt(i, 1); 663f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 6647c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian delete rec; 6657c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size--; 6667c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } else { 6677c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian i++; 668fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 669fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 6705105960d49bfa86efeeea8f87c87aa96b5771c37Aravind Akella mLooper->removeFd(c->getSensorChannel()->getSendFd()); 6717c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveConnections.remove(connection); 672787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian BatteryService::cleanup(c->getUid()); 6739a844cf78f09953145200b4074d47589257a408cAravind Akella if (c->needsWakeLock()) { 6749a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 6759a844cf78f09953145200b4074d47589257a408cAravind Akella } 676fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 677fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 678700180487ffec09d9df1657b018a7caadac24b75Aravind AkellaSensor SensorService::getSensorFromHandle(int handle) const { 679700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return mSensorMap.valueFor(handle)->getSensor(); 680700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 681700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 682fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::enable(const sp<SensorEventConnection>& connection, 683724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags) 684fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 68550df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 68650df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 68750df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 688f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 689ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian if (sensor == NULL) { 690ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian return BAD_VALUE; 691ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian } 692700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 693700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(sensor->getSensor(), "Tried enabling")) { 694700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 695700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 696700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 697ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian Mutex::Autolock _l(mLock); 6984342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh SensorRecord* rec = mActiveSensors.valueFor(handle); 6994342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (rec == 0) { 7004342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh rec = new SensorRecord(connection); 7014342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveSensors.add(handle, rec); 7024342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (sensor->isVirtual()) { 7034342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveVirtualSensors.add(handle, sensor); 7043560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 7054342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } else { 7064342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (rec->addConnection(connection)) { 7079a844cf78f09953145200b4074d47589257a408cAravind Akella // this sensor is already activated, but we are adding a connection that uses it. 7089a844cf78f09953145200b4074d47589257a408cAravind Akella // Immediately send down the last known value of the requested sensor if it's not a 7094342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // "continuous" sensor. 7100e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella if (sensor->getSensor().getReportingMode() == AREPORTING_MODE_ON_CHANGE) { 7119a844cf78f09953145200b4074d47589257a408cAravind Akella // NOTE: The wake_up flag of this event may get set to 7129a844cf78f09953145200b4074d47589257a408cAravind Akella // WAKE_UP_SENSOR_EVENT_NEEDS_ACK if this is a wake_up event. 7134342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh sensors_event_t& event(mLastEventSeen.editValueFor(handle)); 7144342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (event.version == sizeof(sensors_event_t)) { 7159a844cf78f09953145200b4074d47589257a408cAravind Akella if (isWakeUpSensorEvent(event) && !mWakeLockAcquired) { 7169a844cf78f09953145200b4074d47589257a408cAravind Akella acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); 7179a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = true; 7189a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "acquired wakelock for on_change sensor %s", 7199a844cf78f09953145200b4074d47589257a408cAravind Akella WAKE_LOCK_NAME); 7209a844cf78f09953145200b4074d47589257a408cAravind Akella } 7219a844cf78f09953145200b4074d47589257a408cAravind Akella connection->sendEvents(&event, 1, NULL); 7229a844cf78f09953145200b4074d47589257a408cAravind Akella if (!connection->needsWakeLock() && mWakeLockAcquired) { 7239a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 7249a844cf78f09953145200b4074d47589257a408cAravind Akella } 725f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 7267c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 727fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 728fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 7294342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 7304342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (connection->addSensor(handle)) { 7314342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh BatteryService::enableSensor(connection->getUid(), handle); 7324342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // the sensor was added (which means it wasn't already there) 7334342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // so, see if this connection becomes active 7344342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (mActiveConnections.indexOf(connection) < 0) { 7354342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveConnections.add(connection); 7364342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 7374342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } else { 7384342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh ALOGW("sensor %08x already enabled in connection %p (ignoring)", 7394342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh handle, connection.get()); 7404342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 7414342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 742724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t minDelayNs = sensor->getSensor().getMinDelayNs(); 743724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (samplingPeriodNs < minDelayNs) { 744724d91d778e71c8186399f4955de14b54812b3edAravind Akella samplingPeriodNs = minDelayNs; 745724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 746724d91d778e71c8186399f4955de14b54812b3edAravind Akella 7476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "Calling batch handle==%d flags=%d" 7486c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella "rate=%" PRId64 " timeout== %" PRId64"", 749724d91d778e71c8186399f4955de14b54812b3edAravind Akella handle, reservedFlags, samplingPeriodNs, maxBatchReportLatencyNs); 750724d91d778e71c8186399f4955de14b54812b3edAravind Akella 751724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t err = sensor->batch(connection.get(), handle, reservedFlags, samplingPeriodNs, 752724d91d778e71c8186399f4955de14b54812b3edAravind Akella maxBatchReportLatencyNs); 7536c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 7545466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Call flush() before calling activate() on the sensor. Wait for a first flush complete 7555466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // event before sending events on this connection. Ignore one-shot sensors which don't 7565466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // support flush(). Also if this sensor isn't already active, don't call flush(). 7575466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella if (err == NO_ERROR && sensor->getSensor().getReportingMode() != AREPORTING_MODE_ONE_SHOT && 7585466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella rec->getNumConnections() > 1) { 7595466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella connection->setFirstFlushPending(handle, true); 7604c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella status_t err_flush = sensor->flush(connection.get(), handle); 7615466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Flush may return error if the underlying h/w sensor uses an older HAL. 7626c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (err_flush == NO_ERROR) { 7636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella rec->addPendingFlushConnection(connection.get()); 7645466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella } else { 7655466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella connection->setFirstFlushPending(handle, false); 7664c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 7674c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 768724d91d778e71c8186399f4955de14b54812b3edAravind Akella 769724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (err == NO_ERROR) { 770724d91d778e71c8186399f4955de14b54812b3edAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "Calling activate on %d", handle); 771724d91d778e71c8186399f4955de14b54812b3edAravind Akella err = sensor->activate(connection.get(), true); 772724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 773724d91d778e71c8186399f4955de14b54812b3edAravind Akella 77456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (err == NO_ERROR && sensor->getSensor().isWakeUpSensor()) { 77556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Add the file descriptor to the Looper for receiving acknowledgments; 77656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int ret = mLooper->addFd(connection->getSensorChannel()->getSendFd(), 0, 77756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOOPER_EVENT_INPUT, connection.get(), NULL); 77856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 77956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 7804342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (err != NO_ERROR) { 781724d91d778e71c8186399f4955de14b54812b3edAravind Akella // batch/activate has failed, reset our state. 782ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian cleanupWithoutDisableLocked(connection, handle); 7834342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 784fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 785fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 786fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 787fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::disable(const sp<SensorEventConnection>& connection, 788fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle) 789fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 79050df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 79150df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 79250df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 793ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian Mutex::Autolock _l(mLock); 794ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t err = cleanupWithoutDisableLocked(connection, handle); 7954342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (err == NO_ERROR) { 7964342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh SensorInterface* sensor = mSensorMap.valueFor(handle); 7974342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh err = sensor ? sensor->activate(connection.get(), false) : status_t(BAD_VALUE); 7984342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 7994342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return err; 8004342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh} 8014342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 802ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopianstatus_t SensorService::cleanupWithoutDisable( 803ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle) { 804fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 805ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian return cleanupWithoutDisableLocked(connection, handle); 806ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian} 807ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian 808ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopianstatus_t SensorService::cleanupWithoutDisableLocked( 809ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle) { 810fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord* rec = mActiveSensors.valueFor(handle); 811fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec) { 812fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this connection becomes inactive 813787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian if (connection->removeSensor(handle)) { 814787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian BatteryService::disableSensor(connection->getUid(), handle); 815787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian } 816fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (connection->hasAnySensor() == false) { 8175105960d49bfa86efeeea8f87c87aa96b5771c37Aravind Akella mLooper->removeFd(connection->getSensorChannel()->getSendFd()); 818fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveConnections.remove(connection); 819fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 820fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this sensor becomes inactive 821fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec->removeConnection(connection)) { 822fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveSensors.removeItem(handle); 823f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 824fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian delete rec; 825fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 8264342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return NO_ERROR; 8277c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 8284342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return BAD_VALUE; 829fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 830fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 8317c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianstatus_t SensorService::setEventRate(const sp<SensorEventConnection>& connection, 832fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle, nsecs_t ns) 833fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 83450df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 83550df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 83650df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 837ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 838ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian if (!sensor) 839ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian return BAD_VALUE; 840ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 841700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(sensor->getSensor(), "Tried configuring")) { 842700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 843700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 844700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 8451cd700015318727d6d42236ab6274f1949fb08baMathias Agopian if (ns < 0) 8461cd700015318727d6d42236ab6274f1949fb08baMathias Agopian return BAD_VALUE; 8471cd700015318727d6d42236ab6274f1949fb08baMathias Agopian 84862569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian nsecs_t minDelayNs = sensor->getSensor().getMinDelayNs(); 84962569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian if (ns < minDelayNs) { 85062569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian ns = minDelayNs; 851ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian } 852ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 853f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian return sensor->setDelay(connection.get(), handle, ns); 854fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 855fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 8569e3adfcebf28c5c76085108dffe98c74df56857dAravind Akellastatus_t SensorService::flushSensor(const sp<SensorEventConnection>& connection) { 857700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (mInitCheck != NO_ERROR) return mInitCheck; 8589e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorDevice& dev(SensorDevice::getInstance()); 8599e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella const int halVersion = dev.getHalDeviceVersion(); 8609e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella status_t err(NO_ERROR); 8619e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella Mutex::Autolock _l(mLock); 8629e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella // Loop through all sensors for this connection and call flush on each of them. 8639e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella for (size_t i = 0; i < connection->mSensorInfo.size(); ++i) { 8649e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella const int handle = connection->mSensorInfo.keyAt(i); 8659e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorInterface* sensor = mSensorMap.valueFor(handle); 8669e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella if (sensor->getSensor().getReportingMode() == AREPORTING_MODE_ONE_SHOT) { 8679e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella ALOGE("flush called on a one-shot sensor"); 8689e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella err = INVALID_OPERATION; 8699e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella continue; 8709e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } 8719e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorEventConnection::FlushInfo& flushInfo = connection->mSensorInfo.editValueFor(handle); 8728493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (halVersion <= SENSORS_DEVICE_API_VERSION_1_0 || isVirtualSensor(handle)) { 8739e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella // For older devices just increment pending flush count which will send a trivial 8749e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella // flush complete event. 8759e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella flushInfo.mPendingFlushEventsToSend++; 8769e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } else { 8779e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella status_t err_flush = sensor->flush(connection.get(), handle); 8789e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella if (err_flush == NO_ERROR) { 8799e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorRecord* rec = mActiveSensors.valueFor(handle); 8809e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella if (rec != NULL) rec->addPendingFlushConnection(connection); 8819e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } 8829e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella err = (err_flush != NO_ERROR) ? err_flush : err; 8839e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } 8846c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 8859e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella return err; 886700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 887700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 888700180487ffec09d9df1657b018a7caadac24b75Aravind Akellabool SensorService::canAccessSensor(const Sensor& sensor) { 88956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return (sensor.getRequiredPermission().isEmpty()) || 89056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella PermissionCache::checkCallingPermission(String16(sensor.getRequiredPermission())); 891724d91d778e71c8186399f4955de14b54812b3edAravind Akella} 892700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 893700180487ffec09d9df1657b018a7caadac24b75Aravind Akellabool SensorService::verifyCanAccessSensor(const Sensor& sensor, const char* operation) { 894700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (canAccessSensor(sensor)) { 895700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return true; 896700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } else { 897700180487ffec09d9df1657b018a7caadac24b75Aravind Akella String8 errorMessage; 898700180487ffec09d9df1657b018a7caadac24b75Aravind Akella errorMessage.appendFormat( 899700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "%s a sensor (%s) without holding its required permission: %s", 900700180487ffec09d9df1657b018a7caadac24b75Aravind Akella operation, 901700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getName().string(), 902700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getRequiredPermission().string()); 903700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return false; 904700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 905700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 906700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 9079a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::checkWakeLockState() { 9089a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mLock); 9099a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 9109a844cf78f09953145200b4074d47589257a408cAravind Akella} 9119a844cf78f09953145200b4074d47589257a408cAravind Akella 9129a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::checkWakeLockStateLocked() { 9139a844cf78f09953145200b4074d47589257a408cAravind Akella if (!mWakeLockAcquired) { 9149a844cf78f09953145200b4074d47589257a408cAravind Akella return; 9159a844cf78f09953145200b4074d47589257a408cAravind Akella } 9169a844cf78f09953145200b4074d47589257a408cAravind Akella bool releaseLock = true; 9179a844cf78f09953145200b4074d47589257a408cAravind Akella for (size_t i=0 ; i<mActiveConnections.size() ; i++) { 9189a844cf78f09953145200b4074d47589257a408cAravind Akella sp<SensorEventConnection> connection(mActiveConnections[i].promote()); 9199a844cf78f09953145200b4074d47589257a408cAravind Akella if (connection != 0) { 9209a844cf78f09953145200b4074d47589257a408cAravind Akella if (connection->needsWakeLock()) { 9219a844cf78f09953145200b4074d47589257a408cAravind Akella releaseLock = false; 9229a844cf78f09953145200b4074d47589257a408cAravind Akella break; 9239a844cf78f09953145200b4074d47589257a408cAravind Akella } 9249a844cf78f09953145200b4074d47589257a408cAravind Akella } 9259a844cf78f09953145200b4074d47589257a408cAravind Akella } 9269a844cf78f09953145200b4074d47589257a408cAravind Akella if (releaseLock) { 9279a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "releasing wakelock %s", WAKE_LOCK_NAME); 9289a844cf78f09953145200b4074d47589257a408cAravind Akella release_wake_lock(WAKE_LOCK_NAME); 9299a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 9309a844cf78f09953145200b4074d47589257a408cAravind Akella } 9319a844cf78f09953145200b4074d47589257a408cAravind Akella} 9326c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 933fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 934fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorRecord::SensorRecord( 935fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 936fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 937fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 938fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 939fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 9407c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorRecord::addConnection( 941fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 942fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 943fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (mConnections.indexOf(connection) < 0) { 944fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 9457c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 946fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 9477c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 948fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 949fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 950fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorRecord::removeConnection( 951fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const wp<SensorEventConnection>& connection) 952fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 953fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian ssize_t index = mConnections.indexOf(connection); 954fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (index >= 0) { 955fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.removeItemsAt(index, 1); 956fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 9576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Remove this connections from the queue of flush() calls made on this sensor. 9586c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella for (Vector< wp<SensorEventConnection> >::iterator it = 9596c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mPendingFlushConnections.begin(); it != mPendingFlushConnections.end();) { 9606c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (it->unsafe_get() == connection.unsafe_get()) { 9616c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella it = mPendingFlushConnections.erase(it); 9626c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } else { 9636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ++it; 9646c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 9656c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 966fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mConnections.size() ? false : true; 967fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 968fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 9696c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorRecord::addPendingFlushConnection( 9706c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella const sp<SensorEventConnection>& connection) { 9716c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mPendingFlushConnections.add(connection); 9726c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 9736c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 9746c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorRecord::removeFirstPendingFlushConnection() { 9756c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (mPendingFlushConnections.size() > 0) { 9766c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mPendingFlushConnections.removeAt(0); 9776c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 9786c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 9796c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 9806c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind AkellaSensorService::SensorEventConnection * 9816c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind AkellaSensorService::SensorRecord::getFirstPendingFlushConnection() { 9826c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (mPendingFlushConnections.size() > 0) { 9836c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return mPendingFlushConnections[0].unsafe_get(); 9846c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 9856c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return NULL; 9866c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 9876c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 988fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 989fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 990fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorEventConnection::SensorEventConnection( 9915307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian const sp<SensorService>& service, uid_t uid) 99256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella : mService(service), mUid(uid), mWakeLockRefCount(0), mEventCache(NULL), mCacheSize(0), 99356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mMaxCacheSize(0) { 9944c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella const SensorDevice& device(SensorDevice::getInstance()); 9955466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella mChannel = new BitTube(mService->mSocketBufferSize); 99656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 99756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsReceived = mEventsSentFromCache = mEventsSent = 0; 998e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella mTotalAcksNeeded = mTotalAcksReceived = 0; 99956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 1000fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1001fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 100256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind AkellaSensorService::SensorEventConnection::~SensorEventConnection() { 1003a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "~SensorEventConnection(%p)", this); 1004e148bc29c27ae7a346fa686fdda6425ba202d97aAravind Akella mService->cleanupConnection(this); 100556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mEventCache != NULL) { 100656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella delete mEventCache; 100756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 1008fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1009fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 101056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellavoid SensorService::SensorEventConnection::onFirstRef() { 101156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella LooperCallback::onFirstRef(); 1012fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1013fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 10149a844cf78f09953145200b4074d47589257a408cAravind Akellabool SensorService::SensorEventConnection::needsWakeLock() { 10159a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mConnectionLock); 10169a844cf78f09953145200b4074d47589257a408cAravind Akella return mWakeLockRefCount > 0; 10179a844cf78f09953145200b4074d47589257a408cAravind Akella} 10189a844cf78f09953145200b4074d47589257a408cAravind Akella 10194c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akellavoid SensorService::SensorEventConnection::dump(String8& result) { 10204c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella Mutex::Autolock _l(mConnectionLock); 10210ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella result.appendFormat("\t WakeLockRefCount %d | uid %d | cache size %d | max cache size %d\n", 10220ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella mWakeLockRefCount, mUid, mCacheSize, mMaxCacheSize); 10234c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 10244c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella const FlushInfo& flushInfo = mSensorInfo.valueAt(i); 10250ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella result.appendFormat("\t %s 0x%08x | status: %s | pending flush events %d \n", 10264c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mService->getSensorName(mSensorInfo.keyAt(i)).string(), 10276c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mSensorInfo.keyAt(i), 10284c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mFirstFlushPending ? "First flush pending" : 10294c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella "active", 10300ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella flushInfo.mPendingFlushEventsToSend); 10310ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella } 103256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 10330ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella result.appendFormat("\t events recvd: %d | sent %d | cache %d | dropped %d |" 10340ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella " total_acks_needed %d | total_acks_recvd %d\n", 10350ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella mEventsReceived, 10360ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella mEventsSent, 10370ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella mEventsSentFromCache, 10380ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella mEventsReceived - (mEventsSentFromCache + mEventsSent + mCacheSize), 10390ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella mTotalAcksNeeded, 10400ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella mTotalAcksReceived); 104156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 10424c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 10434c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 10447c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::addSensor(int32_t handle) { 104571d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 1046700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(mService->getSensorFromHandle(handle), "Tried adding")) { 1047700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return false; 1048700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 10494c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (mSensorInfo.indexOfKey(handle) < 0) { 10504c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mSensorInfo.add(handle, FlushInfo()); 10517c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 1052fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 10537c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 1054fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1055fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 10567c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::removeSensor(int32_t handle) { 105771d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 10584c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (mSensorInfo.removeItem(handle) >= 0) { 10597c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 10607c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 10617c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 1062fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1063fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1064fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasSensor(int32_t handle) const { 106571d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 10664c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella return mSensorInfo.indexOfKey(handle) >= 0; 1067fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1068fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1069fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasAnySensor() const { 107071d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 10717c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return mSensorInfo.size() ? true : false; 10727c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian} 10737c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 10748493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akellabool SensorService::SensorEventConnection::hasOneShotSensors() const { 10758493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella Mutex::Autolock _l(mConnectionLock); 10768493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 10778493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella const int handle = mSensorInfo.keyAt(i); 10788493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (mService->getSensorFromHandle(handle).getReportingMode() == AREPORTING_MODE_ONE_SHOT) { 10798493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella return true; 10808493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 10818493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 10828493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella return false; 10838493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella} 10848493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella 10854c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akellavoid SensorService::SensorEventConnection::setFirstFlushPending(int32_t handle, 10864c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella bool value) { 10874c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella Mutex::Autolock _l(mConnectionLock); 10884c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ssize_t index = mSensorInfo.indexOfKey(handle); 10894c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (index >= 0) { 10904c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(index); 10914c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mFirstFlushPending = value; 10924c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 10934c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 10944c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 1095fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::sendEvents( 10960ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella sensors_event_t const* buffer, size_t numEvents, 10978493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t* scratch, 10988493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorEventConnection const * const * mapFlushEventsToConnections) { 1099cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian // filter out events not for this connection 11003560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t count = 0; 11019a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mConnectionLock); 11023560fb24b668675627934356f210d84d19bf4e56Mathias Agopian if (scratch) { 11033560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t i=0; 11043560fb24b668675627934356f210d84d19bf4e56Mathias Agopian while (i<numEvents) { 11056c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int32_t sensor_handle = buffer[i].sensor; 1106724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA) { 1107724d91d778e71c8186399f4955de14b54812b3edAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "flush complete event sensor==%d ", 11089e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella buffer[i].meta_data.sensor); 11096c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Setting sensor_handle to the correct sensor to ensure the sensor events per connection are 1110724d91d778e71c8186399f4955de14b54812b3edAravind Akella // filtered correctly. buffer[i].sensor is zero for meta_data events. 11116c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sensor_handle = buffer[i].meta_data.sensor; 1112724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 11136c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ssize_t index = mSensorInfo.indexOfKey(sensor_handle); 111456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Check if this connection has registered for this sensor. If not continue to the 111556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // next sensor_event. 111656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (index < 0) { 111756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ++i; 111856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella continue; 11194c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 112056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 112156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(index); 11226c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if there is a pending flush_complete event for this sensor on this connection. 11238493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA && flushInfo.mFirstFlushPending == true && 11248493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella this == mapFlushEventsToConnections[i]) { 11258493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella flushInfo.mFirstFlushPending = false; 11268493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "First flush event for sensor==%d ", 11278493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella buffer[i].meta_data.sensor); 11288493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella ++i; 11298493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella continue; 113056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 113156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 113256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // If there is a pending flush complete event for this sensor on this connection, 113356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // ignore the event and proceed to the next. 113456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (flushInfo.mFirstFlushPending) { 113556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ++i; 113656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella continue; 11373560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 113856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 113956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella do { 11408493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // Keep copying events into the scratch buffer as long as they are regular 11418493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // sensor_events are from the same sensor_handle OR they are flush_complete_events 11428493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // from the same sensor_handle AND the current connection is mapped to the 11438493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // corresponding flush_complete_event. 114456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA) { 11458493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (this == mapFlushEventsToConnections[i]) { 114656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella scratch[count++] = buffer[i]; 114756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 114856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ++i; 114956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 115056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Regular sensor event, just copy it to the scratch buffer. 115156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella scratch[count++] = buffer[i++]; 115256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 11538493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } while ((i<numEvents) && ((buffer[i].sensor == sensor_handle && 11548493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella buffer[i].type != SENSOR_TYPE_META_DATA) || 115556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella (buffer[i].type == SENSOR_TYPE_META_DATA && 11566c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella buffer[i].meta_data.sensor == sensor_handle))); 1157cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 11583560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } else { 11593560fb24b668675627934356f210d84d19bf4e56Mathias Agopian scratch = const_cast<sensors_event_t *>(buffer); 11603560fb24b668675627934356f210d84d19bf4e56Mathias Agopian count = numEvents; 1161cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 1162fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 11636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sendPendingFlushEventsLocked(); 116456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Early return if there are no events for this connection. 116556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (count == 0) { 116656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return status_t(NO_ERROR); 116756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 116856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 116956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 117056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsReceived += count; 117156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 117256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mCacheSize != 0) { 117356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // There are some events in the cache which need to be sent first. Copy this buffer to 117456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // the end of cache. 117556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mCacheSize + count <= mMaxCacheSize) { 117656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize], scratch, count * sizeof(sensors_event_t)); 117756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize += count; 117856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 11796c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if any new sensors have registered on this connection which may have increased 11806c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // the max cache size that is desired. 11816c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (mCacheSize + count < computeMaxCacheSizeLocked()) { 11826c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella reAllocateCacheLocked(scratch, count); 11836c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return status_t(NO_ERROR); 11846c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 118556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Some events need to be dropped. 118656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int remaningCacheSize = mMaxCacheSize - mCacheSize; 118756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (remaningCacheSize != 0) { 118856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize], scratch, 118956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella remaningCacheSize * sizeof(sensors_event_t)); 119056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 119156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int numEventsDropped = count - remaningCacheSize; 119256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella countFlushCompleteEventsLocked(mEventCache, numEventsDropped); 119356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Drop the first "numEventsDropped" in the cache. 119456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memmove(mEventCache, &mEventCache[numEventsDropped], 119556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella (mCacheSize - numEventsDropped) * sizeof(sensors_event_t)); 119656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 119756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Copy the remainingEvents in scratch buffer to the end of cache. 119856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize - numEventsDropped], scratch + remaningCacheSize, 119956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella numEventsDropped * sizeof(sensors_event_t)); 120056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 120156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return status_t(NO_ERROR); 120256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 120356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 12046c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int index_wake_up_event = findWakeUpSensorEventLocked(scratch, count); 12056c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 12066c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella scratch[index_wake_up_event].flags |= WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 12076c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ++mWakeLockRefCount; 1208e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1209e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella ++mTotalAcksNeeded; 1210e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 12116c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 121256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 121356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // NOTE: ASensorEvent and sensors_event_t are the same type. 121456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ssize_t size = SensorEventQueue::write(mChannel, 121556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella reinterpret_cast<ASensorEvent const*>(scratch), count); 121656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (size < 0) { 121756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Write error, copy events to local cache. 12186c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 12196c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // If there was a wake_up sensor_event, reset the flag. 12206c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella scratch[index_wake_up_event].flags &= ~WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 12210ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella if (mWakeLockRefCount > 0) { 12220ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella --mWakeLockRefCount; 12230ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella } 1224e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1225e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella --mTotalAcksNeeded; 1226e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 12276c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 122856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mEventCache == NULL) { 122956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mMaxCacheSize = computeMaxCacheSizeLocked(); 123056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventCache = new sensors_event_t[mMaxCacheSize]; 123156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize = 0; 123256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 123356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize], scratch, count * sizeof(sensors_event_t)); 123456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize += count; 123556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 123656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Add this file descriptor to the looper to get a callback when this fd is available for 123756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // writing. 123856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mService->getLooper()->addFd(mChannel->getSendFd(), 0, 123956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOOPER_EVENT_OUTPUT | ALOOPER_EVENT_INPUT, this, NULL); 124056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return size; 124156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 124256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 124356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 124456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (size > 0) { 124556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsSent += count; 124656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 124756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 124856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 124956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return size < 0 ? status_t(size) : status_t(NO_ERROR); 125056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 125156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 12526c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorEventConnection::reAllocateCacheLocked(sensors_event_t const* scratch, 12536c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int count) { 12546c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sensors_event_t *eventCache_new; 12556c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella const int new_cache_size = computeMaxCacheSizeLocked(); 12566c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Allocate new cache, copy over events from the old cache & scratch, free up memory. 12576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella eventCache_new = new sensors_event_t[new_cache_size]; 12586c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella memcpy(eventCache_new, mEventCache, mCacheSize * sizeof(sensors_event_t)); 12596c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella memcpy(&eventCache_new[mCacheSize], scratch, count * sizeof(sensors_event_t)); 12606c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12616c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "reAllocateCacheLocked maxCacheSize=%d %d", mMaxCacheSize, 12626c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella new_cache_size); 12636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12646c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella delete mEventCache; 12656c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventCache = eventCache_new; 12666c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mCacheSize += count; 12676c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mMaxCacheSize = new_cache_size; 12686c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 12696c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12706c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorEventConnection::sendPendingFlushEventsLocked() { 12716c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ASensorEvent flushCompleteEvent; 12720ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella memset(&flushCompleteEvent, 0, sizeof(flushCompleteEvent)); 12736c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushCompleteEvent.type = SENSOR_TYPE_META_DATA; 12746c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Loop through all the sensors for this connection and check if there are any pending 12756c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // flush complete events to be sent. 12766c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 12776c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(i); 12786c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella while (flushInfo.mPendingFlushEventsToSend > 0) { 12790ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella const int sensor_handle = mSensorInfo.keyAt(i); 12800ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella flushCompleteEvent.meta_data.sensor = sensor_handle; 12810ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella if (mService->getSensorFromHandle(sensor_handle).isWakeUpSensor()) { 12820ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella flushCompleteEvent.flags |= WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 12830ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella } 12846c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ssize_t size = SensorEventQueue::write(mChannel, &flushCompleteEvent, 1); 12856c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (size < 0) { 12866c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return; 12874c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 12886c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "sent dropped flush complete event==%d ", 12896c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushCompleteEvent.meta_data.sensor); 12906c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushInfo.mPendingFlushEventsToSend--; 12914c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 12924c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 12936c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 12946c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12956c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorEventConnection::writeToSocketFromCacheLocked() { 12965466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // At a time write at most half the size of the receiver buffer in SensorEventQueue OR 12975466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // half the size of the socket buffer allocated in BitTube whichever is smaller. 12985466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella const int maxWriteSize = helpers::min(SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT/2, 12995466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella int(mService->mSocketBufferSize/(sizeof(sensors_event_t)*2))); 13005466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Send pending flush complete events (if any) 13016c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sendPendingFlushEventsLocked(); 130256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella for (int numEventsSent = 0; numEventsSent < mCacheSize;) { 13035466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella const int numEventsToWrite = helpers::min(mCacheSize - numEventsSent, maxWriteSize); 13046c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int index_wake_up_event = 13056c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella findWakeUpSensorEventLocked(mEventCache + numEventsSent, numEventsToWrite); 13066c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 13076c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventCache[index_wake_up_event + numEventsSent].flags |= 13086c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 13096c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ++mWakeLockRefCount; 1310e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1311e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella ++mTotalAcksNeeded; 1312e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 13136c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 131456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 131556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ssize_t size = SensorEventQueue::write(mChannel, 131656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella reinterpret_cast<ASensorEvent const*>(mEventCache + numEventsSent), 13176c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella numEventsToWrite); 131856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (size < 0) { 13196c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 13206c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // If there was a wake_up sensor_event, reset the flag. 13216c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventCache[index_wake_up_event + numEventsSent].flags &= 13226c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ~WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 13230ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella if (mWakeLockRefCount > 0) { 13240ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella --mWakeLockRefCount; 13250ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella } 1326e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1327e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella --mTotalAcksNeeded; 1328e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 13296c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 133056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memmove(mEventCache, &mEventCache[numEventsSent], 133156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella (mCacheSize - numEventsSent) * sizeof(sensors_event_t)); 133256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "wrote %d events from cache size==%d ", 13336c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella numEventsSent, mCacheSize); 133456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize -= numEventsSent; 133556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return; 133656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 13376c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella numEventsSent += numEventsToWrite; 133856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 13396c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventsSentFromCache += numEventsToWrite; 134056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 1341fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 134256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "wrote all events from cache size=%d ", mCacheSize); 134356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // All events from the cache have been sent. Reset cache size to zero. 134456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize = 0; 134556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Poll only for ALOOPER_EVENT_INPUT(read) on the file descriptor. 134656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mService->getLooper()->addFd(mChannel->getSendFd(), 0, ALOOPER_EVENT_INPUT, this, NULL); 1347fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1348fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1349c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akellavoid SensorService::SensorEventConnection::countFlushCompleteEventsLocked( 13500ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella sensors_event_t const* scratch, const int numEventsDropped) { 13514c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "dropping %d events ", numEventsDropped); 13524c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Count flushComplete events in the events that are about to the dropped. These will be sent 13534c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // separately before the next batch of events. 13544c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (int j = 0; j < numEventsDropped; ++j) { 13554c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (scratch[j].type == SENSOR_TYPE_META_DATA) { 13564c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueFor(scratch[j].meta_data.sensor); 13574c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mPendingFlushEventsToSend++; 13584c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "increment pendingFlushCount %d", 13594c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mPendingFlushEventsToSend); 13604c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 13614c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 13624c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella return; 13634c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 13644c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 13656c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellaint SensorService::SensorEventConnection::findWakeUpSensorEventLocked( 13666c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sensors_event_t const* scratch, const int count) { 13679a844cf78f09953145200b4074d47589257a408cAravind Akella for (int i = 0; i < count; ++i) { 13689a844cf78f09953145200b4074d47589257a408cAravind Akella if (mService->isWakeUpSensorEvent(scratch[i])) { 13696c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return i; 13709a844cf78f09953145200b4074d47589257a408cAravind Akella } 13719a844cf78f09953145200b4074d47589257a408cAravind Akella } 13726c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return -1; 13739a844cf78f09953145200b4074d47589257a408cAravind Akella} 13749a844cf78f09953145200b4074d47589257a408cAravind Akella 1375b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopiansp<BitTube> SensorService::SensorEventConnection::getSensorChannel() const 1376fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1377fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mChannel; 1378fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1379fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1380fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::enableDisable( 1381724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, bool enabled, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, 1382724d91d778e71c8186399f4955de14b54812b3edAravind Akella int reservedFlags) 1383fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1384fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t err; 1385fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (enabled) { 1386724d91d778e71c8186399f4955de14b54812b3edAravind Akella err = mService->enable(this, handle, samplingPeriodNs, maxBatchReportLatencyNs, 1387724d91d778e71c8186399f4955de14b54812b3edAravind Akella reservedFlags); 138856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 1389fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } else { 1390fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian err = mService->disable(this, handle); 1391fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 1392fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 1393fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1394fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1395fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::setEventRate( 1396724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, nsecs_t samplingPeriodNs) 1397fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1398724d91d778e71c8186399f4955de14b54812b3edAravind Akella return mService->setEventRate(this, handle, samplingPeriodNs); 1399fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1400fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1401701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akellastatus_t SensorService::SensorEventConnection::flush() { 14029e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella return mService->flushSensor(this); 1403724d91d778e71c8186399f4955de14b54812b3edAravind Akella} 14044c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 140556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellaint SensorService::SensorEventConnection::handleEvent(int fd, int events, void* data) { 140656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (events & ALOOPER_EVENT_HANGUP || events & ALOOPER_EVENT_ERROR) { 140756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return 0; 14089a844cf78f09953145200b4074d47589257a408cAravind Akella } 140956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 141056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (events & ALOOPER_EVENT_INPUT) { 141156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella char buf; 141256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ssize_t ret = ::recv(fd, &buf, sizeof(buf), MSG_DONTWAIT); 141356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 141456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella { 141556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella Mutex::Autolock _l(mConnectionLock); 14160ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella if (mWakeLockRefCount > 0) { 14170ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella --mWakeLockRefCount; 14180ec2066e4774b851c66176b99b0a5aa5abe6ad00Aravind Akella } 1419e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1420e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella ++mTotalAcksReceived; 1421e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 142256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 142356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Check if wakelock can be released by sensorservice. mConnectionLock needs to be released 142456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // here as checkWakeLockState() will need it. 142556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mWakeLockRefCount == 0) { 142656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mService->checkWakeLockState(); 142756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 142856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // continue getting callbacks. 142956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return 1; 143056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 143156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 143256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (events & ALOOPER_EVENT_OUTPUT) { 143356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // send sensor data that is stored in mEventCache. 143456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella Mutex::Autolock _l(mConnectionLock); 143556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella writeToSocketFromCacheLocked(); 14369a844cf78f09953145200b4074d47589257a408cAravind Akella } 143756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return 1; 143856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 143956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 144056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellaint SensorService::SensorEventConnection::computeMaxCacheSizeLocked() const { 144156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int fifoWakeUpSensors = 0; 144256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int fifoNonWakeUpSensors = 0; 144356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 144456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella const Sensor& sensor = mService->getSensorFromHandle(mSensorInfo.keyAt(i)); 144556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (sensor.getFifoReservedEventCount() == sensor.getFifoMaxEventCount()) { 144656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Each sensor has a reserved fifo. Sum up the fifo sizes for all wake up sensors and 144756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // non wake_up sensors. 144856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (sensor.isWakeUpSensor()) { 144956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoWakeUpSensors += sensor.getFifoReservedEventCount(); 145056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 145156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoNonWakeUpSensors += sensor.getFifoReservedEventCount(); 145256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 145356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 145456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Shared fifo. Compute the max of the fifo sizes for wake_up and non_wake up sensors. 145556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (sensor.isWakeUpSensor()) { 145656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoWakeUpSensors = fifoWakeUpSensors > sensor.getFifoMaxEventCount() ? 145756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoWakeUpSensors : sensor.getFifoMaxEventCount(); 145856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 145956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 146056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoNonWakeUpSensors = fifoNonWakeUpSensors > sensor.getFifoMaxEventCount() ? 146156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoNonWakeUpSensors : sensor.getFifoMaxEventCount(); 146256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 146356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 146456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 146556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 146656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (fifoWakeUpSensors + fifoNonWakeUpSensors == 0) { 146756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // It is extremely unlikely that there is a write failure in non batch mode. Return a cache 14686c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // size that is equal to that of the batch mode. 1469e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella // ALOGW("Write failure in non-batch mode"); 14706c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return MAX_SOCKET_BUFFER_SIZE_BATCHED/sizeof(sensors_event_t); 147156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 147256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return fifoWakeUpSensors + fifoNonWakeUpSensors; 14739a844cf78f09953145200b4074d47589257a408cAravind Akella} 14749a844cf78f09953145200b4074d47589257a408cAravind Akella 1475fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 1476fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 1477fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1478