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)41 SensorRegistrationInfo(int32_t handle, const String8 &packageName, 42 int64_t samplingRateNs, int64_t maxReportLatencyNs, bool activate) { 43 mSensorHandle = handle; 44 mPackageName = packageName; 45 46 mSamplingRateUs = static_cast<int64_t>(samplingRateNs/1000); 47 mMaxReportLatencyUs = static_cast<int64_t>(maxReportLatencyNs/1000); 48 mActivated = activate; 49 50 IPCThreadState *thread = IPCThreadState::self(); 51 mPid = (thread != nullptr) ? thread->getCallingPid() : -1; 52 mUid = (thread != nullptr) ? thread->getCallingUid() : -1; 53 54 timespec curTime; 55 clock_gettime(CLOCK_REALTIME_COARSE, &curTime); 56 mRealtimeSec = curTime.tv_sec; 57 } 58 isSentinel(const SensorRegistrationInfo & info)59 static bool isSentinel(const SensorRegistrationInfo& info) { 60 return (info.mSensorHandle == INT32_MIN && info.mRealtimeSec == 0); 61 } 62 63 // Dumpable interface dump()64 virtual std::string dump() const override { 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) << ":" 72 << std::setw(2) << static_cast<int>(min) << ":" 73 << std::setw(2) << static_cast<int>(sec) 74 << (mActivated ? " +" : " -") 75 << " 0x" << std::hex << std::setw(8) << mSensorHandle << std::dec 76 << std::setfill(' ') << " pid=" << std::setw(5) << mPid 77 << " uid=" << std::setw(5) << mUid << " package=" << mPackageName; 78 if (mActivated) { 79 ss << " samplingPeriod=" << mSamplingRateUs << "us" 80 << " batchingPeriod=" << mMaxReportLatencyUs << "us"; 81 }; 82 return ss.str(); 83 } 84 85 /** 86 * Dump debugging information as android.service.SensorRegistrationInfoProto protobuf message 87 * using ProtoOutputStream. 88 * 89 * See proto definition and some notes about ProtoOutputStream in 90 * frameworks/base/core/proto/android/service/sensor_service.proto 91 */ dump(util::ProtoOutputStream * proto)92 virtual void dump(util::ProtoOutputStream* proto) const override { 93 using namespace service::SensorRegistrationInfoProto; 94 proto->write(TIMESTAMP_SEC, int64_t(mRealtimeSec)); 95 proto->write(SENSOR_HANDLE, mSensorHandle); 96 proto->write(PACKAGE_NAME, std::string(mPackageName.string())); 97 proto->write(PID, int32_t(mPid)); 98 proto->write(UID, int32_t(mUid)); 99 proto->write(SAMPLING_RATE_US, mSamplingRateUs); 100 proto->write(MAX_REPORT_LATENCY_US, mMaxReportLatencyUs); 101 proto->write(ACTIVATED, mActivated); 102 } 103 104 private: 105 int32_t mSensorHandle; 106 String8 mPackageName; 107 pid_t mPid; 108 uid_t mUid; 109 int64_t mSamplingRateUs; 110 int64_t mMaxReportLatencyUs; 111 bool mActivated; 112 time_t mRealtimeSec; 113 }; 114 115 } // namespace android; 116 117 #endif // ANDROID_SENSOR_REGISTRATION_INFO_H 118 119 120