1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_SENSOR_REGISTRATION_INFO_H 18 #define ANDROID_SENSOR_REGISTRATION_INFO_H 19 20 #include <ctime> 21 #include <iomanip> 22 #include <sstream> 23 #include <utils/Thread.h> 24 25 #include <android/util/ProtoOutputStream.h> 26 #include <frameworks/base/core/proto/android/service/sensor_service.proto.h> 27 #include "SensorServiceUtils.h" 28 29 namespace android { 30 31 class SensorService; 32 33 class SensorService::SensorRegistrationInfo : public SensorServiceUtil::Dumpable { 34 public: SensorRegistrationInfo()35 SensorRegistrationInfo() : mPackageName() { 36 mSensorHandle = mSamplingRateUs = mMaxReportLatencyUs = INT32_MIN; 37 mRealtimeSec = 0; 38 mActivated = false; 39 } 40 SensorRegistrationInfo(int32_t handle,const String8 & packageName,int64_t samplingRateNs,int64_t maxReportLatencyNs,bool activate,status_t registerStatus)41 SensorRegistrationInfo(int32_t handle, const String8& packageName, int64_t samplingRateNs, 42 int64_t maxReportLatencyNs, bool activate, status_t registerStatus) { 43 mSensorHandle = handle; 44 mPackageName = packageName; 45 mRegisteredStatus = registerStatus; 46 47 mSamplingRateUs = static_cast<int64_t>(samplingRateNs/1000); 48 mMaxReportLatencyUs = static_cast<int64_t>(maxReportLatencyNs/1000); 49 mActivated = activate; 50 51 IPCThreadState *thread = IPCThreadState::self(); 52 mPid = (thread != nullptr) ? thread->getCallingPid() : -1; 53 mUid = (thread != nullptr) ? thread->getCallingUid() : -1; 54 55 timespec curTime; 56 clock_gettime(CLOCK_REALTIME_COARSE, &curTime); 57 mRealtimeSec = curTime.tv_sec; 58 } 59 isSentinel(const SensorRegistrationInfo & info)60 static bool isSentinel(const SensorRegistrationInfo& info) { 61 return (info.mSensorHandle == INT32_MIN && info.mRealtimeSec == 0); 62 } 63 dump(SensorService * sensorService)64 std::string dump(SensorService* sensorService) const { 65 struct tm* timeinfo = localtime(&mRealtimeSec); 66 const int8_t hour = static_cast<int8_t>(timeinfo->tm_hour); 67 const int8_t min = static_cast<int8_t>(timeinfo->tm_min); 68 const int8_t sec = static_cast<int8_t>(timeinfo->tm_sec); 69 70 std::ostringstream ss; 71 ss << std::setfill('0') << std::setw(2) << static_cast<int>(hour) << ":" << std::setw(2) 72 << static_cast<int>(min) << ":" << std::setw(2) << static_cast<int>(sec) 73 << (mActivated ? " +" : " -") << " 0x" << std::hex << std::setw(8) << mSensorHandle; 74 ss << std::dec << std::setfill(' ') << " pid=" << std::setw(5) << mPid 75 << " uid=" << std::setw(5) << mUid; 76 77 std::string samplingRate = 78 mActivated ? std::to_string(mSamplingRateUs) : " N/A "; 79 std::string batchingInterval = 80 mActivated ? std::to_string(mMaxReportLatencyUs) : " N/A "; 81 ss << " samplingPeriod=" << std::setfill(' ') << std::setw(8) 82 << samplingRate << "us" << " batchingPeriod=" << std::setfill(' ') 83 << std::setw(8) << batchingInterval << "us" 84 << " result=" << statusToString(mRegisteredStatus) 85 << " (sensor, package): (" << std::setfill(' ') << std::left 86 << std::setw(27); 87 88 if (sensorService != nullptr) { 89 ss << sensorService->getSensorName(mSensorHandle); 90 } else { 91 ss << "null"; 92 } 93 ss << ", " << mPackageName << ")"; 94 95 return ss.str(); 96 } 97 98 // Dumpable interface dump()99 virtual std::string dump() const override { return dump(static_cast<SensorService*>(nullptr)); } 100 101 /** 102 * Dump debugging information as android.service.SensorRegistrationInfoProto protobuf message 103 * using ProtoOutputStream. 104 * 105 * See proto definition and some notes about ProtoOutputStream in 106 * frameworks/base/core/proto/android/service/sensor_service.proto 107 */ dump(util::ProtoOutputStream * proto)108 virtual void dump(util::ProtoOutputStream* proto) const override { 109 using namespace service::SensorRegistrationInfoProto; 110 proto->write(TIMESTAMP_SEC, int64_t(mRealtimeSec)); 111 proto->write(SENSOR_HANDLE, mSensorHandle); 112 proto->write(PACKAGE_NAME, std::string(mPackageName.c_str())); 113 proto->write(PID, int32_t(mPid)); 114 proto->write(UID, int32_t(mUid)); 115 proto->write(SAMPLING_RATE_US, mSamplingRateUs); 116 proto->write(MAX_REPORT_LATENCY_US, mMaxReportLatencyUs); 117 proto->write(ACTIVATED, mActivated); 118 } 119 120 private: 121 int32_t mSensorHandle; 122 String8 mPackageName; 123 pid_t mPid; 124 uid_t mUid; 125 int64_t mSamplingRateUs; 126 int64_t mMaxReportLatencyUs; 127 bool mActivated; 128 time_t mRealtimeSec; 129 status_t mRegisteredStatus; 130 }; 131 132 } // namespace android; 133 134 #endif // ANDROID_SENSOR_REGISTRATION_INFO_H 135 136 137