SensorService.cpp revision 8493b79e1cff92450076ca7450c4bf4e434a6816
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 } 4019a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mLock); 4029a844cf78f09953145200b4074d47589257a408cAravind Akella // Poll has returned. Hold a wakelock if one of the events is from a wake up sensor. The 4039a844cf78f09953145200b4074d47589257a408cAravind Akella // rest of this loop is under a critical section protected by mLock. Acquiring a wakeLock, 4049a844cf78f09953145200b4074d47589257a408cAravind Akella // sending events to clients (incrementing SensorEventConnection::mWakeLockRefCount) should 4059a844cf78f09953145200b4074d47589257a408cAravind Akella // not be interleaved with decrementing SensorEventConnection::mWakeLockRefCount and 4069a844cf78f09953145200b4074d47589257a408cAravind Akella // releasing the wakelock. 4079a844cf78f09953145200b4074d47589257a408cAravind Akella bool bufferHasWakeUpEvent = false; 4084342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i = 0; i < count; i++) { 4098493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (isWakeUpSensorEvent(mSensorEventBuffer[i])) { 4109a844cf78f09953145200b4074d47589257a408cAravind Akella bufferHasWakeUpEvent = true; 4119a844cf78f09953145200b4074d47589257a408cAravind Akella break; 4124342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4134342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4144342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 4159a844cf78f09953145200b4074d47589257a408cAravind Akella if (bufferHasWakeUpEvent && !mWakeLockAcquired) { 4169a844cf78f09953145200b4074d47589257a408cAravind Akella acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); 4179a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = true; 4189a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "acquired wakelock %s", WAKE_LOCK_NAME); 4199a844cf78f09953145200b4074d47589257a408cAravind Akella } 4208493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella recordLastValueLocked(mSensorEventBuffer, count); 42194e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 422f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // handle virtual sensors 423f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (count && vcount) { 4248493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t const * const event = mSensorEventBuffer; 4259a844cf78f09953145200b4074d47589257a408cAravind Akella const size_t activeVirtualSensorCount = mActiveVirtualSensors.size(); 426f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (activeVirtualSensorCount) { 427f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian size_t k = 0; 428984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian SensorFusion& fusion(SensorFusion::getInstance()); 429984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian if (fusion.isEnabled()) { 430984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian for (size_t i=0 ; i<size_t(count) ; i++) { 431984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian fusion.process(event[i]); 432984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 433984826cc158193e61e3a00359ef4f6699c7d748aMathias Agopian } 434d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian for (size_t i=0 ; i<size_t(count) && k<minBufferSize ; i++) { 435f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian for (size_t j=0 ; j<activeVirtualSensorCount ; j++) { 436d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian if (count + k >= minBufferSize) { 437d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian ALOGE("buffer too small to hold all events: " 438db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn "count=%zd, k=%zu, size=%zu", 439d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian count, k, minBufferSize); 440d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian break; 441d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian } 442f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t out; 4439a844cf78f09953145200b4074d47589257a408cAravind Akella SensorInterface* si = mActiveVirtualSensors.valueAt(j); 444d1920ffede9e9bc107104ad94c291ca0f0f18bc3Mathias Agopian if (si->process(&out, event[i])) { 4458493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mSensorEventBuffer[count + k] = out; 446f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian k++; 447f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 448f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 449f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 450f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (k) { 451f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // record the last synthesized values 4528493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella recordLastValueLocked(&mSensorEventBuffer[count], k); 453f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian count += k; 454f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian // sort the buffer by time-stamps 4558493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sortEventBuffer(mSensorEventBuffer, count); 456f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 457f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 458f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 459f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 4604342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // handle backward compatibility for RotationVector sensor 4614342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (halVersion < SENSORS_DEVICE_API_VERSION_1_0) { 4624342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh for (int i = 0; i < count; i++) { 4638493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (mSensorEventBuffer[i].type == SENSOR_TYPE_ROTATION_VECTOR) { 4644342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // All the 4 components of the quaternion should be available 4654342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // No heading accuracy. Set it to -1 4668493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mSensorEventBuffer[i].data[4] = -1; 4678493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 4688493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 4698493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 4708493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella 4718493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // Map flush_complete_events in the buffer to SensorEventConnections which called 4728493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // flush on the hardware sensor. mapFlushEventsToConnections[i] will be the 4738493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // SensorEventConnection mapped to the corresponding flush_complete_event in 4748493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // mSensorEventBuffer[i] if such a mapping exists (NULL otherwise). 4758493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella for (int i = 0; i < count; ++i) { 4768493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mMapFlushEventsToConnections[i] = NULL; 4778493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (mSensorEventBuffer[i].type == SENSOR_TYPE_META_DATA) { 4788493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella const int sensor_handle = mSensorEventBuffer[i].meta_data.sensor; 4798493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorRecord* rec = mActiveSensors.valueFor(sensor_handle); 4808493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (rec != NULL) { 4818493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mMapFlushEventsToConnections[i] = rec->getFirstPendingFlushConnection(); 4828493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella rec->removeFirstPendingFlushConnection(); 4834342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4844342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4854342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 4864342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 4879a844cf78f09953145200b4074d47589257a408cAravind Akella // Send our events to clients. Check the state of wake lock for each client and release the 4889a844cf78f09953145200b4074d47589257a408cAravind Akella // lock if none of the clients need it. 4899a844cf78f09953145200b4074d47589257a408cAravind Akella bool needsWakeLock = false; 4908493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // Make a copy of the connection vector as some connections may be removed during the 4918493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // course of this loop (especially when one-shot sensor events are present in the 4928493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // sensor_event buffer). 4938493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella const SortedVector< wp<SensorEventConnection> > activeConnections(mActiveConnections); 4948493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella size_t numConnections = activeConnections.size(); 4958493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella for (size_t i=0 ; i < numConnections; ++i) { 4968493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sp<SensorEventConnection> connection(activeConnections[i].promote()); 497f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (connection != 0) { 4988493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella connection->sendEvents(mSensorEventBuffer, count, mSensorEventScratch, 4998493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella mMapFlushEventsToConnections); 5009a844cf78f09953145200b4074d47589257a408cAravind Akella needsWakeLock |= connection->needsWakeLock(); 5018493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // If the connection has one-shot sensors, it may be cleaned up after first trigger. 5028493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // Early check for one-shot sensors. 5038493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (connection->hasOneShotSensors()) { 5048493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella cleanupAutoDisabledSensorLocked(connection, mSensorEventBuffer, count); 5058493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 506fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 507fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 5084342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 5099a844cf78f09953145200b4074d47589257a408cAravind Akella if (mWakeLockAcquired && !needsWakeLock) { 5109a844cf78f09953145200b4074d47589257a408cAravind Akella release_wake_lock(WAKE_LOCK_NAME); 5119a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 5129a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "released wakelock %s", WAKE_LOCK_NAME); 5139a844cf78f09953145200b4074d47589257a408cAravind Akella } 5148493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } while (!Thread::exitPending()); 515fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 5163c20fbed7f3a916ced10f2ed5a272271b7d81edeSteve Block ALOGW("Exiting SensorService::threadLoop => aborting..."); 5171a62301fc58cd2af18239b0415813461bf5fc41bMathias Agopian abort(); 518fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return false; 519fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 520fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 52156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellasp<Looper> SensorService::getLooper() const { 52256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return mLooper; 52356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 52456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 52556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellabool SensorService::SensorEventAckReceiver::threadLoop() { 52656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOGD("new thread SensorEventAckReceiver"); 52756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella do { 52856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella sp<Looper> looper = mService->getLooper(); 52956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella looper->pollOnce(-1); 53056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } while(!Thread::exitPending()); 53156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return false; 53256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 53356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 5349a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::recordLastValueLocked( 5354b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* buffer, size_t count) { 5364b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* last = NULL; 5374b84704b97300eff3ebfab85652e64d54149d205Aravind Akella for (size_t i = 0; i < count; i++) { 5384b84704b97300eff3ebfab85652e64d54149d205Aravind Akella const sensors_event_t* event = &buffer[i]; 5394b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (event->type != SENSOR_TYPE_META_DATA) { 5404b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (last && event->sensor != last->sensor) { 5414b84704b97300eff3ebfab85652e64d54149d205Aravind Akella mLastEventSeen.editValueFor(last->sensor) = *last; 5424b84704b97300eff3ebfab85652e64d54149d205Aravind Akella } 5434b84704b97300eff3ebfab85652e64d54149d205Aravind Akella last = event; 54494e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 54594e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian } 5464b84704b97300eff3ebfab85652e64d54149d205Aravind Akella if (last) { 5474b84704b97300eff3ebfab85652e64d54149d205Aravind Akella mLastEventSeen.editValueFor(last->sensor) = *last; 5484b84704b97300eff3ebfab85652e64d54149d205Aravind Akella } 54994e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian} 55094e8f6813f3fb2beaa9bcbfb1ad9b4ae2eb46949Mathias Agopian 551f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopianvoid SensorService::sortEventBuffer(sensors_event_t* buffer, size_t count) 552f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian{ 553f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian struct compar { 554f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian static int cmp(void const* lhs, void const* rhs) { 555f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* l = static_cast<sensors_event_t const*>(lhs); 556f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian sensors_event_t const* r = static_cast<sensors_event_t const*>(rhs); 557a5c106a4f0afcf061728a1cb7c8c3b908728575dMathias Agopian return l->timestamp - r->timestamp; 558f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 559f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian }; 560f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian qsort(buffer, count, sizeof(sensors_event_t), compar::cmp); 561f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian} 562f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian 5635d2707214dfb97bd8dfcc6620be36841d3c82420Mathias AgopianString8 SensorService::getSensorName(int handle) const { 564010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian size_t count = mUserSensorList.size(); 5655d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian for (size_t i=0 ; i<count ; i++) { 566010e42230135815907e76e5d7e5f30edf9e1799dMathias Agopian const Sensor& sensor(mUserSensorList[i]); 5675d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian if (sensor.getHandle() == handle) { 5685d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return sensor.getName(); 5695d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 5705d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian } 5715d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian String8 result("unknown"); 5725d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian return result; 5735d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian} 5745d2707214dfb97bd8dfcc6620be36841d3c82420Mathias Agopian 575b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akellabool SensorService::isVirtualSensor(int handle) const { 576b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella SensorInterface* sensor = mSensorMap.valueFor(handle); 577b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella return sensor->isVirtual(); 578b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella} 579b4099e77ec2bf8e9d4259ff30f0cb1d621deed91Aravind Akella 5809a844cf78f09953145200b4074d47589257a408cAravind Akellabool SensorService::isWakeUpSensorEvent(const sensors_event_t& event) const { 5817869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan int handle = event.sensor; 5827869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan if (event.type == SENSOR_TYPE_META_DATA) { 5837869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan handle = event.meta_data.sensor; 5847869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan } 5857869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan SensorInterface* sensor = mSensorMap.valueFor(handle); 5867869e224aaaf717b5ab86df00b60fd5be5a0996cSean Wan return sensor != NULL && sensor->getSensor().isWakeUpSensor(); 5879a844cf78f09953145200b4074d47589257a408cAravind Akella} 5889a844cf78f09953145200b4074d47589257a408cAravind Akella 5896c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 5906c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind AkellaSensorService::SensorRecord * SensorService::getSensorRecord(int handle) { 5916c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return mActiveSensors.valueFor(handle); 5926c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 5936c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 594fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianVector<Sensor> SensorService::getSensorList() 595fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 59633264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian char value[PROPERTY_VALUE_MAX]; 59733264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian property_get("debug.sensors", value, "0"); 598700180487ffec09d9df1657b018a7caadac24b75Aravind Akella const Vector<Sensor>& initialSensorList = (atoi(value)) ? 599700180487ffec09d9df1657b018a7caadac24b75Aravind Akella mUserSensorListDebug : mUserSensorList; 600700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Vector<Sensor> accessibleSensorList; 601700180487ffec09d9df1657b018a7caadac24b75Aravind Akella for (size_t i = 0; i < initialSensorList.size(); i++) { 602700180487ffec09d9df1657b018a7caadac24b75Aravind Akella Sensor sensor = initialSensorList[i]; 603700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (canAccessSensor(sensor)) { 604700180487ffec09d9df1657b018a7caadac24b75Aravind Akella accessibleSensorList.add(sensor); 605700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } else { 606700180487ffec09d9df1657b018a7caadac24b75Aravind Akella String8 infoMessage; 607700180487ffec09d9df1657b018a7caadac24b75Aravind Akella infoMessage.appendFormat( 608700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "Skipped sensor %s because it requires permission %s", 609700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getName().string(), 610700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getRequiredPermission().string()); 611700180487ffec09d9df1657b018a7caadac24b75Aravind Akella ALOGI(infoMessage.string()); 612700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 61333264868ba0aaccb9d4b5e5a067a79a43633f6ecMathias Agopian } 614700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return accessibleSensorList; 615fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 616fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 617fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopiansp<ISensorEventConnection> SensorService::createSensorEventConnection() 618fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 6195307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian uid_t uid = IPCThreadState::self()->getCallingUid(); 6205307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian sp<SensorEventConnection> result(new SensorEventConnection(this, uid)); 621fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return result; 622fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 623fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 624db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopianvoid SensorService::cleanupConnection(SensorEventConnection* c) 625fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 626fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 627db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian const wp<SensorEventConnection> connection(c); 6287c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size_t size = mActiveSensors.size(); 629db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn ALOGD_IF(DEBUG_CONNECTIONS, "%zu active sensors", size); 6307c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian for (size_t i=0 ; i<size ; ) { 631db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian int handle = mActiveSensors.keyAt(i); 632db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (c->hasSensor(handle)) { 633db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn ALOGD_IF(DEBUG_CONNECTIONS, "%zu: disabling handle=0x%08x", i, handle); 634f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor( handle ); 635f5a1230d322c14c42331d0a1536b50c87742973bSteve Block ALOGE_IF(!sensor, "mSensorMap[handle=0x%08x] is null!", handle); 636f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian if (sensor) { 637db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian sensor->activate(c, false); 638f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 639db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian } 640db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian SensorRecord* rec = mActiveSensors.valueAt(i); 641db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn ALOGE_IF(!rec, "mActiveSensors[%zu] is null (handle=0x%08x)!", i, handle); 642a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, 643db45861ff4b636b9dd833d622dd64e2ad24b0645Mark Salyzyn "removing connection %p for sensor[%zu].handle=0x%08x", 644a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian c, i, handle); 645a1b7db95b6ccf5be9d8dfaac1b8f45494813edc0Mathias Agopian 646db5b4bce9e65ec9c2c7762b601297e4abadbc22aMathias Agopian if (rec && rec->removeConnection(connection)) { 647a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "... and it was the last connection"); 6487c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveSensors.removeItemsAt(i, 1); 649f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 6507c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian delete rec; 6517c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian size--; 6527c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } else { 6537c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian i++; 654fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 655fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 6567c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian mActiveConnections.remove(connection); 657787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian BatteryService::cleanup(c->getUid()); 6589a844cf78f09953145200b4074d47589257a408cAravind Akella if (c->needsWakeLock()) { 6599a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 6609a844cf78f09953145200b4074d47589257a408cAravind Akella } 661fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 662fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 663700180487ffec09d9df1657b018a7caadac24b75Aravind AkellaSensor SensorService::getSensorFromHandle(int handle) const { 664700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return mSensorMap.valueFor(handle)->getSensor(); 665700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 666700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 667fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::enable(const sp<SensorEventConnection>& connection, 668724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags) 669fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 67050df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 67150df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 67250df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 673f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 674ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian if (sensor == NULL) { 675ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian return BAD_VALUE; 676ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian } 677700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 678700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(sensor->getSensor(), "Tried enabling")) { 679700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 680700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 681700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 682ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian Mutex::Autolock _l(mLock); 6834342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh SensorRecord* rec = mActiveSensors.valueFor(handle); 6844342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (rec == 0) { 6854342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh rec = new SensorRecord(connection); 6864342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveSensors.add(handle, rec); 6874342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (sensor->isVirtual()) { 6884342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveVirtualSensors.add(handle, sensor); 6893560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 6904342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } else { 6914342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (rec->addConnection(connection)) { 6929a844cf78f09953145200b4074d47589257a408cAravind Akella // this sensor is already activated, but we are adding a connection that uses it. 6939a844cf78f09953145200b4074d47589257a408cAravind Akella // Immediately send down the last known value of the requested sensor if it's not a 6944342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // "continuous" sensor. 6950e025c5af365e45e02cb75c1d46b46c7f4cd44cbAravind Akella if (sensor->getSensor().getReportingMode() == AREPORTING_MODE_ON_CHANGE) { 6969a844cf78f09953145200b4074d47589257a408cAravind Akella // NOTE: The wake_up flag of this event may get set to 6979a844cf78f09953145200b4074d47589257a408cAravind Akella // WAKE_UP_SENSOR_EVENT_NEEDS_ACK if this is a wake_up event. 6984342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh sensors_event_t& event(mLastEventSeen.editValueFor(handle)); 6994342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (event.version == sizeof(sensors_event_t)) { 7009a844cf78f09953145200b4074d47589257a408cAravind Akella if (isWakeUpSensorEvent(event) && !mWakeLockAcquired) { 7019a844cf78f09953145200b4074d47589257a408cAravind Akella acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); 7029a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = true; 7039a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "acquired wakelock for on_change sensor %s", 7049a844cf78f09953145200b4074d47589257a408cAravind Akella WAKE_LOCK_NAME); 7059a844cf78f09953145200b4074d47589257a408cAravind Akella } 7069a844cf78f09953145200b4074d47589257a408cAravind Akella connection->sendEvents(&event, 1, NULL); 7079a844cf78f09953145200b4074d47589257a408cAravind Akella if (!connection->needsWakeLock() && mWakeLockAcquired) { 7089a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 7099a844cf78f09953145200b4074d47589257a408cAravind Akella } 710f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian } 7117c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 712fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 713fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 7144342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 7154342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (connection->addSensor(handle)) { 7164342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh BatteryService::enableSensor(connection->getUid(), handle); 7174342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // the sensor was added (which means it wasn't already there) 7184342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh // so, see if this connection becomes active 7194342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (mActiveConnections.indexOf(connection) < 0) { 7204342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh mActiveConnections.add(connection); 7214342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 7224342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } else { 7234342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh ALOGW("sensor %08x already enabled in connection %p (ignoring)", 7244342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh handle, connection.get()); 7254342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 7264342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 727724d91d778e71c8186399f4955de14b54812b3edAravind Akella nsecs_t minDelayNs = sensor->getSensor().getMinDelayNs(); 728724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (samplingPeriodNs < minDelayNs) { 729724d91d778e71c8186399f4955de14b54812b3edAravind Akella samplingPeriodNs = minDelayNs; 730724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 731724d91d778e71c8186399f4955de14b54812b3edAravind Akella 7326c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "Calling batch handle==%d flags=%d" 7336c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella "rate=%" PRId64 " timeout== %" PRId64"", 734724d91d778e71c8186399f4955de14b54812b3edAravind Akella handle, reservedFlags, samplingPeriodNs, maxBatchReportLatencyNs); 735724d91d778e71c8186399f4955de14b54812b3edAravind Akella 736724d91d778e71c8186399f4955de14b54812b3edAravind Akella status_t err = sensor->batch(connection.get(), handle, reservedFlags, samplingPeriodNs, 737724d91d778e71c8186399f4955de14b54812b3edAravind Akella maxBatchReportLatencyNs); 7386c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 7395466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Call flush() before calling activate() on the sensor. Wait for a first flush complete 7405466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // event before sending events on this connection. Ignore one-shot sensors which don't 7415466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // support flush(). Also if this sensor isn't already active, don't call flush(). 7425466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella if (err == NO_ERROR && sensor->getSensor().getReportingMode() != AREPORTING_MODE_ONE_SHOT && 7435466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella rec->getNumConnections() > 1) { 7445466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella connection->setFirstFlushPending(handle, true); 7454c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella status_t err_flush = sensor->flush(connection.get(), handle); 7465466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Flush may return error if the underlying h/w sensor uses an older HAL. 7476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (err_flush == NO_ERROR) { 7486c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella rec->addPendingFlushConnection(connection.get()); 7495466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella } else { 7505466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella connection->setFirstFlushPending(handle, false); 7514c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 7524c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 753724d91d778e71c8186399f4955de14b54812b3edAravind Akella 754724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (err == NO_ERROR) { 755724d91d778e71c8186399f4955de14b54812b3edAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "Calling activate on %d", handle); 756724d91d778e71c8186399f4955de14b54812b3edAravind Akella err = sensor->activate(connection.get(), true); 757724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 758724d91d778e71c8186399f4955de14b54812b3edAravind Akella 75956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (err == NO_ERROR && sensor->getSensor().isWakeUpSensor()) { 76056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Add the file descriptor to the Looper for receiving acknowledgments; 76156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int ret = mLooper->addFd(connection->getSensorChannel()->getSendFd(), 0, 76256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOOPER_EVENT_INPUT, connection.get(), NULL); 76356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 76456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 7654342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (err != NO_ERROR) { 766724d91d778e71c8186399f4955de14b54812b3edAravind Akella // batch/activate has failed, reset our state. 767ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian cleanupWithoutDisableLocked(connection, handle); 7684342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 769fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 770fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 771fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 772fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::disable(const sp<SensorEventConnection>& connection, 773fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle) 774fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 77550df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 77650df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 77750df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 778ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian Mutex::Autolock _l(mLock); 779ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian status_t err = cleanupWithoutDisableLocked(connection, handle); 7804342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh if (err == NO_ERROR) { 7814342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh SensorInterface* sensor = mSensorMap.valueFor(handle); 7824342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh err = sensor ? sensor->activate(connection.get(), false) : status_t(BAD_VALUE); 7834342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh } 7844342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return err; 7854342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh} 7864342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh 787ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopianstatus_t SensorService::cleanupWithoutDisable( 788ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle) { 789fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian Mutex::Autolock _l(mLock); 790ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian return cleanupWithoutDisableLocked(connection, handle); 791ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian} 792ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian 793ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopianstatus_t SensorService::cleanupWithoutDisableLocked( 794ac9a96da65f6eae4513654adaad8a457d1c1575cMathias Agopian const sp<SensorEventConnection>& connection, int handle) { 795fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian SensorRecord* rec = mActiveSensors.valueFor(handle); 796fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec) { 797fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this connection becomes inactive 798787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian if (connection->removeSensor(handle)) { 799787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian BatteryService::disableSensor(connection->getUid(), handle); 800787ac1b388f144f5e6dd38f8b807866a5256dafcMathias Agopian } 801fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (connection->hasAnySensor() == false) { 802fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveConnections.remove(connection); 803fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 804fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian // see if this sensor becomes inactive 805fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (rec->removeConnection(connection)) { 806fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mActiveSensors.removeItem(handle); 807f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian mActiveVirtualSensors.removeItem(handle); 808fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian delete rec; 809fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 8104342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return NO_ERROR; 8117c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 8124342fdf14ffb792a36c1de25ad14b745df628da2Jaikumar Ganesh return BAD_VALUE; 813fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 814fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 8157c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianstatus_t SensorService::setEventRate(const sp<SensorEventConnection>& connection, 816fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian int handle, nsecs_t ns) 817fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 81850df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian if (mInitCheck != NO_ERROR) 81950df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian return mInitCheck; 82050df2959e58fc7408f98d11d77c8428397dca445Mathias Agopian 821ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian SensorInterface* sensor = mSensorMap.valueFor(handle); 822ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian if (!sensor) 823ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian return BAD_VALUE; 824ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 825700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(sensor->getSensor(), "Tried configuring")) { 826700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return BAD_VALUE; 827700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 828700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 8291cd700015318727d6d42236ab6274f1949fb08baMathias Agopian if (ns < 0) 8301cd700015318727d6d42236ab6274f1949fb08baMathias Agopian return BAD_VALUE; 8311cd700015318727d6d42236ab6274f1949fb08baMathias Agopian 83262569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian nsecs_t minDelayNs = sensor->getSensor().getMinDelayNs(); 83362569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian if (ns < minDelayNs) { 83462569ecf526c7c01cb68ea461c6bbd3cb26057d2Mathias Agopian ns = minDelayNs; 835ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian } 836ae09d65f5b35cb51da2e1386a6dd7a52085f1325Mathias Agopian 837f001c92436b4a66eb7687286325ced7f10c9f917Mathias Agopian return sensor->setDelay(connection.get(), handle, ns); 838fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 839fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 8409e3adfcebf28c5c76085108dffe98c74df56857dAravind Akellastatus_t SensorService::flushSensor(const sp<SensorEventConnection>& connection) { 841700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (mInitCheck != NO_ERROR) return mInitCheck; 8429e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorDevice& dev(SensorDevice::getInstance()); 8439e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella const int halVersion = dev.getHalDeviceVersion(); 8449e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella status_t err(NO_ERROR); 8459e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella Mutex::Autolock _l(mLock); 8469e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella // Loop through all sensors for this connection and call flush on each of them. 8479e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella for (size_t i = 0; i < connection->mSensorInfo.size(); ++i) { 8489e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella const int handle = connection->mSensorInfo.keyAt(i); 8499e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorInterface* sensor = mSensorMap.valueFor(handle); 8509e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella if (sensor->getSensor().getReportingMode() == AREPORTING_MODE_ONE_SHOT) { 8519e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella ALOGE("flush called on a one-shot sensor"); 8529e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella err = INVALID_OPERATION; 8539e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella continue; 8549e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } 8559e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorEventConnection::FlushInfo& flushInfo = connection->mSensorInfo.editValueFor(handle); 8568493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (halVersion <= SENSORS_DEVICE_API_VERSION_1_0 || isVirtualSensor(handle)) { 8579e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella // For older devices just increment pending flush count which will send a trivial 8589e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella // flush complete event. 8599e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella flushInfo.mPendingFlushEventsToSend++; 8609e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } else { 8619e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella status_t err_flush = sensor->flush(connection.get(), handle); 8629e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella if (err_flush == NO_ERROR) { 8639e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella SensorRecord* rec = mActiveSensors.valueFor(handle); 8649e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella if (rec != NULL) rec->addPendingFlushConnection(connection); 8659e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } 8669e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella err = (err_flush != NO_ERROR) ? err_flush : err; 8679e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella } 8686c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 8699e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella return err; 870700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 871700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 872700180487ffec09d9df1657b018a7caadac24b75Aravind Akellabool SensorService::canAccessSensor(const Sensor& sensor) { 87356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return (sensor.getRequiredPermission().isEmpty()) || 87456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella PermissionCache::checkCallingPermission(String16(sensor.getRequiredPermission())); 875724d91d778e71c8186399f4955de14b54812b3edAravind Akella} 876700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 877700180487ffec09d9df1657b018a7caadac24b75Aravind Akellabool SensorService::verifyCanAccessSensor(const Sensor& sensor, const char* operation) { 878700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (canAccessSensor(sensor)) { 879700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return true; 880700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } else { 881700180487ffec09d9df1657b018a7caadac24b75Aravind Akella String8 errorMessage; 882700180487ffec09d9df1657b018a7caadac24b75Aravind Akella errorMessage.appendFormat( 883700180487ffec09d9df1657b018a7caadac24b75Aravind Akella "%s a sensor (%s) without holding its required permission: %s", 884700180487ffec09d9df1657b018a7caadac24b75Aravind Akella operation, 885700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getName().string(), 886700180487ffec09d9df1657b018a7caadac24b75Aravind Akella sensor.getRequiredPermission().string()); 887700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return false; 888700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 889700180487ffec09d9df1657b018a7caadac24b75Aravind Akella} 890700180487ffec09d9df1657b018a7caadac24b75Aravind Akella 8919a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::checkWakeLockState() { 8929a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mLock); 8939a844cf78f09953145200b4074d47589257a408cAravind Akella checkWakeLockStateLocked(); 8949a844cf78f09953145200b4074d47589257a408cAravind Akella} 8959a844cf78f09953145200b4074d47589257a408cAravind Akella 8969a844cf78f09953145200b4074d47589257a408cAravind Akellavoid SensorService::checkWakeLockStateLocked() { 8979a844cf78f09953145200b4074d47589257a408cAravind Akella if (!mWakeLockAcquired) { 8989a844cf78f09953145200b4074d47589257a408cAravind Akella return; 8999a844cf78f09953145200b4074d47589257a408cAravind Akella } 9009a844cf78f09953145200b4074d47589257a408cAravind Akella bool releaseLock = true; 9019a844cf78f09953145200b4074d47589257a408cAravind Akella for (size_t i=0 ; i<mActiveConnections.size() ; i++) { 9029a844cf78f09953145200b4074d47589257a408cAravind Akella sp<SensorEventConnection> connection(mActiveConnections[i].promote()); 9039a844cf78f09953145200b4074d47589257a408cAravind Akella if (connection != 0) { 9049a844cf78f09953145200b4074d47589257a408cAravind Akella if (connection->needsWakeLock()) { 9059a844cf78f09953145200b4074d47589257a408cAravind Akella releaseLock = false; 9069a844cf78f09953145200b4074d47589257a408cAravind Akella break; 9079a844cf78f09953145200b4074d47589257a408cAravind Akella } 9089a844cf78f09953145200b4074d47589257a408cAravind Akella } 9099a844cf78f09953145200b4074d47589257a408cAravind Akella } 9109a844cf78f09953145200b4074d47589257a408cAravind Akella if (releaseLock) { 9119a844cf78f09953145200b4074d47589257a408cAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "releasing wakelock %s", WAKE_LOCK_NAME); 9129a844cf78f09953145200b4074d47589257a408cAravind Akella release_wake_lock(WAKE_LOCK_NAME); 9139a844cf78f09953145200b4074d47589257a408cAravind Akella mWakeLockAcquired = false; 9149a844cf78f09953145200b4074d47589257a408cAravind Akella } 9159a844cf78f09953145200b4074d47589257a408cAravind Akella} 9166c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 917fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 918fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorRecord::SensorRecord( 919fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 920fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 921fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 922fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 923fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 9247c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorRecord::addConnection( 925fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const sp<SensorEventConnection>& connection) 926fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 927fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (mConnections.indexOf(connection) < 0) { 928fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.add(connection); 9297c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 930fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 9317c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 932fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 933fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 934fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorRecord::removeConnection( 935fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian const wp<SensorEventConnection>& connection) 936fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 937fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian ssize_t index = mConnections.indexOf(connection); 938fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (index >= 0) { 939fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mConnections.removeItemsAt(index, 1); 940fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 9416c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Remove this connections from the queue of flush() calls made on this sensor. 9426c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella for (Vector< wp<SensorEventConnection> >::iterator it = 9436c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mPendingFlushConnections.begin(); it != mPendingFlushConnections.end();) { 9446c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (it->unsafe_get() == connection.unsafe_get()) { 9456c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella it = mPendingFlushConnections.erase(it); 9466c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } else { 9476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ++it; 9486c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 9496c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 950fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mConnections.size() ? false : true; 951fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 952fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 9536c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorRecord::addPendingFlushConnection( 9546c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella const sp<SensorEventConnection>& connection) { 9556c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mPendingFlushConnections.add(connection); 9566c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 9576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 9586c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorRecord::removeFirstPendingFlushConnection() { 9596c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (mPendingFlushConnections.size() > 0) { 9606c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mPendingFlushConnections.removeAt(0); 9616c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 9626c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 9636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 9646c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind AkellaSensorService::SensorEventConnection * 9656c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind AkellaSensorService::SensorRecord::getFirstPendingFlushConnection() { 9666c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (mPendingFlushConnections.size() > 0) { 9676c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return mPendingFlushConnections[0].unsafe_get(); 9686c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 9696c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return NULL; 9706c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 9716c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 972fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 973fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 974fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias AgopianSensorService::SensorEventConnection::SensorEventConnection( 9755307d17fe33fc26eeeacd6339a9fbfe96cf56873Mathias Agopian const sp<SensorService>& service, uid_t uid) 97656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella : mService(service), mUid(uid), mWakeLockRefCount(0), mEventCache(NULL), mCacheSize(0), 97756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mMaxCacheSize(0) { 9784c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella const SensorDevice& device(SensorDevice::getInstance()); 9795466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella mChannel = new BitTube(mService->mSocketBufferSize); 98056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 98156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsReceived = mEventsSentFromCache = mEventsSent = 0; 982e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella mTotalAcksNeeded = mTotalAcksReceived = 0; 98356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 984fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 985fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 98656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind AkellaSensorService::SensorEventConnection::~SensorEventConnection() { 987a551237de142549fb8a6608ee9d2fbf4b7ca2ebfSteve Block ALOGD_IF(DEBUG_CONNECTIONS, "~SensorEventConnection(%p)", this); 98856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mEventCache != NULL) { 98956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella delete mEventCache; 99056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 991fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian mService->cleanupConnection(this); 992fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 993fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 99456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellavoid SensorService::SensorEventConnection::onFirstRef() { 99556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella LooperCallback::onFirstRef(); 996fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 997fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 9989a844cf78f09953145200b4074d47589257a408cAravind Akellabool SensorService::SensorEventConnection::needsWakeLock() { 9999a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mConnectionLock); 10009a844cf78f09953145200b4074d47589257a408cAravind Akella return mWakeLockRefCount > 0; 10019a844cf78f09953145200b4074d47589257a408cAravind Akella} 10029a844cf78f09953145200b4074d47589257a408cAravind Akella 10034c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akellavoid SensorService::SensorEventConnection::dump(String8& result) { 10044c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella Mutex::Autolock _l(mConnectionLock); 100556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella result.appendFormat("\t %d WakeLockRefCount \n", mWakeLockRefCount); 10064c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 10074c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella const FlushInfo& flushInfo = mSensorInfo.valueAt(i); 10086c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella result.appendFormat("\t %s 0x%08x | status: %s | pending flush events %d | uid %d|" 100956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella "cache size: %d max cache size %d\n", 10104c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mService->getSensorName(mSensorInfo.keyAt(i)).string(), 10116c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mSensorInfo.keyAt(i), 10124c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mFirstFlushPending ? "First flush pending" : 10134c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella "active", 1014eefced119bc568d773b86c34cd8bc9d9574638f6Patrick Tjin flushInfo.mPendingFlushEventsToSend, 101556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mUid, 101656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize, 101756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mMaxCacheSize); 101856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 1019e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella result.appendFormat("\t events recvd: %d | sent %d | cache %d | dropped %d |" 1020e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella " total_acks_needed %d | total_acks_recvd %d\n", 102156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsReceived, 102256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsSent, 102356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsSentFromCache, 1024e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella mEventsReceived - (mEventsSentFromCache + 1025e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella mEventsSent + mCacheSize), 1026e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella mTotalAcksNeeded, 1027e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella mTotalAcksReceived); 102856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 102956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 10304c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 10314c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 10324c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 10337c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::addSensor(int32_t handle) { 103471d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 1035700180487ffec09d9df1657b018a7caadac24b75Aravind Akella if (!verifyCanAccessSensor(mService->getSensorFromHandle(handle), "Tried adding")) { 1036700180487ffec09d9df1657b018a7caadac24b75Aravind Akella return false; 1037700180487ffec09d9df1657b018a7caadac24b75Aravind Akella } 10384c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (mSensorInfo.indexOfKey(handle) < 0) { 10394c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella mSensorInfo.add(handle, FlushInfo()); 10407c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 1041fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 10427c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 1043fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1044fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 10457c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopianbool SensorService::SensorEventConnection::removeSensor(int32_t handle) { 104671d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 10474c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (mSensorInfo.removeItem(handle) >= 0) { 10487c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return true; 10497c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian } 10507c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return false; 1051fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1052fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1053fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasSensor(int32_t handle) const { 105471d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 10554c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella return mSensorInfo.indexOfKey(handle) >= 0; 1056fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1057fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1058fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianbool SensorService::SensorEventConnection::hasAnySensor() const { 105971d7a5c289c6ef6b5fc86dd4784a075ca6470e38Mathias Agopian Mutex::Autolock _l(mConnectionLock); 10607c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian return mSensorInfo.size() ? true : false; 10617c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian} 10627c1c531872a95051cb11ec829e3daf890d9bb58aMathias Agopian 10638493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akellabool SensorService::SensorEventConnection::hasOneShotSensors() const { 10648493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella Mutex::Autolock _l(mConnectionLock); 10658493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 10668493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella const int handle = mSensorInfo.keyAt(i); 10678493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (mService->getSensorFromHandle(handle).getReportingMode() == AREPORTING_MODE_ONE_SHOT) { 10688493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella return true; 10698493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 10708493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } 10718493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella return false; 10728493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella} 10738493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella 10744c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akellavoid SensorService::SensorEventConnection::setFirstFlushPending(int32_t handle, 10754c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella bool value) { 10764c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella Mutex::Autolock _l(mConnectionLock); 10774c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ssize_t index = mSensorInfo.indexOfKey(handle); 10784c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (index >= 0) { 10794c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(index); 10804c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mFirstFlushPending = value; 10814c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 10824c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 10834c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 1084fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::sendEvents( 10859e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella sensors_event_t* buffer, size_t numEvents, 10868493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella sensors_event_t* scratch, 10878493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella SensorEventConnection const * const * mapFlushEventsToConnections) { 1088cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian // filter out events not for this connection 10893560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t count = 0; 10909a844cf78f09953145200b4074d47589257a408cAravind Akella Mutex::Autolock _l(mConnectionLock); 10913560fb24b668675627934356f210d84d19bf4e56Mathias Agopian if (scratch) { 10923560fb24b668675627934356f210d84d19bf4e56Mathias Agopian size_t i=0; 10933560fb24b668675627934356f210d84d19bf4e56Mathias Agopian while (i<numEvents) { 10946c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int32_t sensor_handle = buffer[i].sensor; 1095724d91d778e71c8186399f4955de14b54812b3edAravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA) { 1096724d91d778e71c8186399f4955de14b54812b3edAravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "flush complete event sensor==%d ", 10979e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella buffer[i].meta_data.sensor); 10986c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Setting sensor_handle to the correct sensor to ensure the sensor events per connection are 1099724d91d778e71c8186399f4955de14b54812b3edAravind Akella // filtered correctly. buffer[i].sensor is zero for meta_data events. 11006c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sensor_handle = buffer[i].meta_data.sensor; 1101724d91d778e71c8186399f4955de14b54812b3edAravind Akella } 11026c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ssize_t index = mSensorInfo.indexOfKey(sensor_handle); 110356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Check if this connection has registered for this sensor. If not continue to the 110456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // next sensor_event. 110556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (index < 0) { 110656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ++i; 110756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella continue; 11084c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 110956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 111056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(index); 11116c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if there is a pending flush_complete event for this sensor on this connection. 11128493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA && flushInfo.mFirstFlushPending == true && 11138493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella this == mapFlushEventsToConnections[i]) { 11148493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella flushInfo.mFirstFlushPending = false; 11158493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "First flush event for sensor==%d ", 11168493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella buffer[i].meta_data.sensor); 11178493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella ++i; 11188493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella continue; 111956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 112056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 112156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // If there is a pending flush complete event for this sensor on this connection, 112256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // ignore the event and proceed to the next. 112356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (flushInfo.mFirstFlushPending) { 112456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ++i; 112556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella continue; 11263560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } 112756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 112856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella do { 11298493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // Keep copying events into the scratch buffer as long as they are regular 11308493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // sensor_events are from the same sensor_handle OR they are flush_complete_events 11318493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // from the same sensor_handle AND the current connection is mapped to the 11328493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella // corresponding flush_complete_event. 113356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (buffer[i].type == SENSOR_TYPE_META_DATA) { 11348493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella if (this == mapFlushEventsToConnections[i]) { 113556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella scratch[count++] = buffer[i]; 113656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 113756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ++i; 113856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 113956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Regular sensor event, just copy it to the scratch buffer. 114056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella scratch[count++] = buffer[i++]; 114156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 11428493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella } while ((i<numEvents) && ((buffer[i].sensor == sensor_handle && 11438493b79e1cff92450076ca7450c4bf4e434a6816Aravind Akella buffer[i].type != SENSOR_TYPE_META_DATA) || 114456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella (buffer[i].type == SENSOR_TYPE_META_DATA && 11456c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella buffer[i].meta_data.sensor == sensor_handle))); 1146cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 11473560fb24b668675627934356f210d84d19bf4e56Mathias Agopian } else { 11483560fb24b668675627934356f210d84d19bf4e56Mathias Agopian scratch = const_cast<sensors_event_t *>(buffer); 11493560fb24b668675627934356f210d84d19bf4e56Mathias Agopian count = numEvents; 1150cf51001dbf28e9885fcacd4048902f1c75768fe9Mathias Agopian } 1151fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 11526c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sendPendingFlushEventsLocked(); 115356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Early return if there are no events for this connection. 115456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (count == 0) { 115556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return status_t(NO_ERROR); 115656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 115756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 115856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 115956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsReceived += count; 116056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 116156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mCacheSize != 0) { 116256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // There are some events in the cache which need to be sent first. Copy this buffer to 116356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // the end of cache. 116456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mCacheSize + count <= mMaxCacheSize) { 116556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize], scratch, count * sizeof(sensors_event_t)); 116656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize += count; 116756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 11686c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Check if any new sensors have registered on this connection which may have increased 11696c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // the max cache size that is desired. 11706c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (mCacheSize + count < computeMaxCacheSizeLocked()) { 11716c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella reAllocateCacheLocked(scratch, count); 11726c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return status_t(NO_ERROR); 11736c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 117456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Some events need to be dropped. 117556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int remaningCacheSize = mMaxCacheSize - mCacheSize; 117656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (remaningCacheSize != 0) { 117756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize], scratch, 117856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella remaningCacheSize * sizeof(sensors_event_t)); 117956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 118056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int numEventsDropped = count - remaningCacheSize; 118156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella countFlushCompleteEventsLocked(mEventCache, numEventsDropped); 118256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Drop the first "numEventsDropped" in the cache. 118356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memmove(mEventCache, &mEventCache[numEventsDropped], 118456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella (mCacheSize - numEventsDropped) * sizeof(sensors_event_t)); 118556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 118656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Copy the remainingEvents in scratch buffer to the end of cache. 118756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize - numEventsDropped], scratch + remaningCacheSize, 118856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella numEventsDropped * sizeof(sensors_event_t)); 118956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 119056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return status_t(NO_ERROR); 119156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 119256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 11936c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int index_wake_up_event = findWakeUpSensorEventLocked(scratch, count); 11946c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 11956c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella scratch[index_wake_up_event].flags |= WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 11966c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ++mWakeLockRefCount; 1197e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1198e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella ++mTotalAcksNeeded; 1199e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 12006c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 120156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 120256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // NOTE: ASensorEvent and sensors_event_t are the same type. 120356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ssize_t size = SensorEventQueue::write(mChannel, 120456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella reinterpret_cast<ASensorEvent const*>(scratch), count); 120556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (size < 0) { 120656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Write error, copy events to local cache. 12076c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 12086c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // If there was a wake_up sensor_event, reset the flag. 12096c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella scratch[index_wake_up_event].flags &= ~WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 12106c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella --mWakeLockRefCount; 1211e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1212e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella --mTotalAcksNeeded; 1213e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 12146c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 121556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mEventCache == NULL) { 121656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mMaxCacheSize = computeMaxCacheSizeLocked(); 121756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventCache = new sensors_event_t[mMaxCacheSize]; 121856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize = 0; 121956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 122056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memcpy(&mEventCache[mCacheSize], scratch, count * sizeof(sensors_event_t)); 122156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize += count; 122256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 122356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Add this file descriptor to the looper to get a callback when this fd is available for 122456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // writing. 122556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mService->getLooper()->addFd(mChannel->getSendFd(), 0, 122656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOOPER_EVENT_OUTPUT | ALOOPER_EVENT_INPUT, this, NULL); 122756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return size; 122856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 122956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 123056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 123156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (size > 0) { 123256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mEventsSent += count; 123356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 123456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 123556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 123656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return size < 0 ? status_t(size) : status_t(NO_ERROR); 123756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 123856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 12396c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorEventConnection::reAllocateCacheLocked(sensors_event_t const* scratch, 12406c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int count) { 12416c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sensors_event_t *eventCache_new; 12426c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella const int new_cache_size = computeMaxCacheSizeLocked(); 12436c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Allocate new cache, copy over events from the old cache & scratch, free up memory. 12446c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella eventCache_new = new sensors_event_t[new_cache_size]; 12456c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella memcpy(eventCache_new, mEventCache, mCacheSize * sizeof(sensors_event_t)); 12466c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella memcpy(&eventCache_new[mCacheSize], scratch, count * sizeof(sensors_event_t)); 12476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12486c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "reAllocateCacheLocked maxCacheSize=%d %d", mMaxCacheSize, 12496c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella new_cache_size); 12506c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12516c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella delete mEventCache; 12526c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventCache = eventCache_new; 12536c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mCacheSize += count; 12546c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mMaxCacheSize = new_cache_size; 12556c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 12566c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12576c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorEventConnection::sendPendingFlushEventsLocked() { 12586c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ASensorEvent flushCompleteEvent; 12596c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushCompleteEvent.type = SENSOR_TYPE_META_DATA; 12606c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushCompleteEvent.sensor = 0; 12616c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // Loop through all the sensors for this connection and check if there are any pending 12626c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // flush complete events to be sent. 12636c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 12646c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueAt(i); 12656c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella while (flushInfo.mPendingFlushEventsToSend > 0) { 12666c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushCompleteEvent.meta_data.sensor = mSensorInfo.keyAt(i); 12676c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ssize_t size = SensorEventQueue::write(mChannel, &flushCompleteEvent, 1); 12686c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (size < 0) { 12696c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return; 12704c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 12716c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "sent dropped flush complete event==%d ", 12726c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushCompleteEvent.meta_data.sensor); 12736c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella flushInfo.mPendingFlushEventsToSend--; 12744c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 12754c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 12766c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella} 12776c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella 12786c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellavoid SensorService::SensorEventConnection::writeToSocketFromCacheLocked() { 12795466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // At a time write at most half the size of the receiver buffer in SensorEventQueue OR 12805466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // half the size of the socket buffer allocated in BitTube whichever is smaller. 12815466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella const int maxWriteSize = helpers::min(SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT/2, 12825466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella int(mService->mSocketBufferSize/(sizeof(sensors_event_t)*2))); 12835466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella // Send pending flush complete events (if any) 12846c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sendPendingFlushEventsLocked(); 128556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella for (int numEventsSent = 0; numEventsSent < mCacheSize;) { 12865466c3d20d03d4ae4b0fd0e0a93175091e3b0bb2Aravind Akella const int numEventsToWrite = helpers::min(mCacheSize - numEventsSent, maxWriteSize); 12876c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella int index_wake_up_event = 12886c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella findWakeUpSensorEventLocked(mEventCache + numEventsSent, numEventsToWrite); 12896c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 12906c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventCache[index_wake_up_event + numEventsSent].flags |= 12916c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 12926c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ++mWakeLockRefCount; 1293e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1294e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella ++mTotalAcksNeeded; 1295e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 12966c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 129756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 129856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ssize_t size = SensorEventQueue::write(mChannel, 129956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella reinterpret_cast<ASensorEvent const*>(mEventCache + numEventsSent), 13006c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella numEventsToWrite); 130156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (size < 0) { 13026c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella if (index_wake_up_event >= 0) { 13036c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // If there was a wake_up sensor_event, reset the flag. 13046c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventCache[index_wake_up_event + numEventsSent].flags &= 13056c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella ~WAKE_UP_SENSOR_EVENT_NEEDS_ACK; 13066c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella --mWakeLockRefCount; 1307e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1308e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella --mTotalAcksNeeded; 1309e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 13106c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella } 131156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella memmove(mEventCache, &mEventCache[numEventsSent], 131256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella (mCacheSize - numEventsSent) * sizeof(sensors_event_t)); 131356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "wrote %d events from cache size==%d ", 13146c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella numEventsSent, mCacheSize); 131556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize -= numEventsSent; 131656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return; 131756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 13186c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella numEventsSent += numEventsToWrite; 131956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#if DEBUG_CONNECTIONS 13206c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella mEventsSentFromCache += numEventsToWrite; 132156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella#endif 1322fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 132356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "wrote all events from cache size=%d ", mCacheSize); 132456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // All events from the cache have been sent. Reset cache size to zero. 132556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mCacheSize = 0; 132656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Poll only for ALOOPER_EVENT_INPUT(read) on the file descriptor. 132756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mService->getLooper()->addFd(mChannel->getSendFd(), 0, ALOOPER_EVENT_INPUT, this, NULL); 1328fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1329fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1330c551eac5b16a53f872cbb692d3a0c81e39329725Aravind Akellavoid SensorService::SensorEventConnection::countFlushCompleteEventsLocked( 13314c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella sensors_event_t* scratch, const int numEventsDropped) { 13324c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "dropping %d events ", numEventsDropped); 13334c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // Count flushComplete events in the events that are about to the dropped. These will be sent 13344c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella // separately before the next batch of events. 13354c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella for (int j = 0; j < numEventsDropped; ++j) { 13364c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella if (scratch[j].type == SENSOR_TYPE_META_DATA) { 13374c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella FlushInfo& flushInfo = mSensorInfo.editValueFor(scratch[j].meta_data.sensor); 13384c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mPendingFlushEventsToSend++; 13394c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella ALOGD_IF(DEBUG_CONNECTIONS, "increment pendingFlushCount %d", 13404c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella flushInfo.mPendingFlushEventsToSend); 13414c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 13424c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella } 13434c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella return; 13444c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella} 13454c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 13466c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akellaint SensorService::SensorEventConnection::findWakeUpSensorEventLocked( 13476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella sensors_event_t const* scratch, const int count) { 13489a844cf78f09953145200b4074d47589257a408cAravind Akella for (int i = 0; i < count; ++i) { 13499a844cf78f09953145200b4074d47589257a408cAravind Akella if (mService->isWakeUpSensorEvent(scratch[i])) { 13506c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return i; 13519a844cf78f09953145200b4074d47589257a408cAravind Akella } 13529a844cf78f09953145200b4074d47589257a408cAravind Akella } 13536c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return -1; 13549a844cf78f09953145200b4074d47589257a408cAravind Akella} 13559a844cf78f09953145200b4074d47589257a408cAravind Akella 1356b3989276d17f2b083bec67b695d1078fb86c6c53Mathias Agopiansp<BitTube> SensorService::SensorEventConnection::getSensorChannel() const 1357fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1358fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return mChannel; 1359fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1360fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1361fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::enableDisable( 1362724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, bool enabled, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, 1363724d91d778e71c8186399f4955de14b54812b3edAravind Akella int reservedFlags) 1364fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1365fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian status_t err; 1366fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian if (enabled) { 1367724d91d778e71c8186399f4955de14b54812b3edAravind Akella err = mService->enable(this, handle, samplingPeriodNs, maxBatchReportLatencyNs, 1368724d91d778e71c8186399f4955de14b54812b3edAravind Akella reservedFlags); 136956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 1370fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } else { 1371fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian err = mService->disable(this, handle); 1372fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian } 1373fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian return err; 1374fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1375fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1376fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopianstatus_t SensorService::SensorEventConnection::setEventRate( 1377724d91d778e71c8186399f4955de14b54812b3edAravind Akella int handle, nsecs_t samplingPeriodNs) 1378fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian{ 1379724d91d778e71c8186399f4955de14b54812b3edAravind Akella return mService->setEventRate(this, handle, samplingPeriodNs); 1380fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian} 1381fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1382701166d9f60a6e1149ff568aec0e03f3f3925292Aravind Akellastatus_t SensorService::SensorEventConnection::flush() { 13839e3adfcebf28c5c76085108dffe98c74df56857dAravind Akella return mService->flushSensor(this); 1384724d91d778e71c8186399f4955de14b54812b3edAravind Akella} 13854c8b951f8d6a121e758bd3905fa8987c77863790Aravind Akella 138656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellaint SensorService::SensorEventConnection::handleEvent(int fd, int events, void* data) { 138756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (events & ALOOPER_EVENT_HANGUP || events & ALOOPER_EVENT_ERROR) { 138856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return 0; 13899a844cf78f09953145200b4074d47589257a408cAravind Akella } 139056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 139156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (events & ALOOPER_EVENT_INPUT) { 139256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella char buf; 139356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella ssize_t ret = ::recv(fd, &buf, sizeof(buf), MSG_DONTWAIT); 139456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 139556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella { 139656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella Mutex::Autolock _l(mConnectionLock); 139756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella --mWakeLockRefCount; 1398e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#if DEBUG_CONNECTIONS 1399e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella ++mTotalAcksReceived; 1400e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella#endif 140156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 140256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Check if wakelock can be released by sensorservice. mConnectionLock needs to be released 140356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // here as checkWakeLockState() will need it. 140456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (mWakeLockRefCount == 0) { 140556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella mService->checkWakeLockState(); 140656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 140756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // continue getting callbacks. 140856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return 1; 140956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 141056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 141156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (events & ALOOPER_EVENT_OUTPUT) { 141256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // send sensor data that is stored in mEventCache. 141356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella Mutex::Autolock _l(mConnectionLock); 141456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella writeToSocketFromCacheLocked(); 14159a844cf78f09953145200b4074d47589257a408cAravind Akella } 141656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return 1; 141756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella} 141856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 141956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akellaint SensorService::SensorEventConnection::computeMaxCacheSizeLocked() const { 142056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int fifoWakeUpSensors = 0; 142156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella int fifoNonWakeUpSensors = 0; 142256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella for (size_t i = 0; i < mSensorInfo.size(); ++i) { 142356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella const Sensor& sensor = mService->getSensorFromHandle(mSensorInfo.keyAt(i)); 142456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (sensor.getFifoReservedEventCount() == sensor.getFifoMaxEventCount()) { 142556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Each sensor has a reserved fifo. Sum up the fifo sizes for all wake up sensors and 142656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // non wake_up sensors. 142756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (sensor.isWakeUpSensor()) { 142856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoWakeUpSensors += sensor.getFifoReservedEventCount(); 142956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 143056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoNonWakeUpSensors += sensor.getFifoReservedEventCount(); 143156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 143256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 143356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // Shared fifo. Compute the max of the fifo sizes for wake_up and non_wake up sensors. 143456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (sensor.isWakeUpSensor()) { 143556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoWakeUpSensors = fifoWakeUpSensors > sensor.getFifoMaxEventCount() ? 143656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoWakeUpSensors : sensor.getFifoMaxEventCount(); 143756ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 143856ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } else { 143956ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoNonWakeUpSensors = fifoNonWakeUpSensors > sensor.getFifoMaxEventCount() ? 144056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella fifoNonWakeUpSensors : sensor.getFifoMaxEventCount(); 144156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella 144256ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 144356ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 144456ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 144556ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella if (fifoWakeUpSensors + fifoNonWakeUpSensors == 0) { 144656ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella // It is extremely unlikely that there is a write failure in non batch mode. Return a cache 14476c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella // size that is equal to that of the batch mode. 1448e74baf6ca7d57375f38540b6b7ac5e4af019951bAravind Akella // ALOGW("Write failure in non-batch mode"); 14496c2664ae34fd582bc174d3c83e2b18e895ca2496Aravind Akella return MAX_SOCKET_BUFFER_SIZE_BATCHED/sizeof(sensors_event_t); 145056ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella } 145156ae42613c91f6a6fb0dc3f626daa24666fd18c2Aravind Akella return fifoWakeUpSensors + fifoNonWakeUpSensors; 14529a844cf78f09953145200b4074d47589257a408cAravind Akella} 14539a844cf78f09953145200b4074d47589257a408cAravind Akella 1454fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian// --------------------------------------------------------------------------- 1455fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian}; // namespace android 1456fc32881fcc68640d008c7515cdd1bcd866f72cd5Mathias Agopian 1457