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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_SENSOR_REGISTRATION_INFO_H
#define ANDROID_SENSOR_REGISTRATION_INFO_H
#include <ctime>
#include <iomanip>
#include <sstream>
#include <utils/Thread.h>
#include <android/util/ProtoOutputStream.h>
#include <frameworks/base/core/proto/android/service/sensor_service.proto.h>
#include "SensorServiceUtils.h"
namespace android {
class SensorService;
class SensorService::SensorRegistrationInfo : public SensorServiceUtil::Dumpable {
public:
SensorRegistrationInfo() : mPackageName() {
mSensorHandle = mSamplingRateUs = mMaxReportLatencyUs = INT32_MIN;
mRealtimeSec = 0;
mActivated = false;
}
SensorRegistrationInfo(int32_t handle, const String8 &packageName,
int64_t samplingRateNs, int64_t maxReportLatencyNs, bool activate) {
mSensorHandle = handle;
mPackageName = packageName;
mSamplingRateUs = static_cast<int64_t>(samplingRateNs/1000);
mMaxReportLatencyUs = static_cast<int64_t>(maxReportLatencyNs/1000);
mActivated = activate;
IPCThreadState *thread = IPCThreadState::self();
mPid = (thread != nullptr) ? thread->getCallingPid() : -1;
mUid = (thread != nullptr) ? thread->getCallingUid() : -1;
timespec curTime;
clock_gettime(CLOCK_REALTIME_COARSE, &curTime);
mRealtimeSec = curTime.tv_sec;
}
static bool isSentinel(const SensorRegistrationInfo& info) {
return (info.mSensorHandle == INT32_MIN && info.mRealtimeSec == 0);
}
// Dumpable interface
virtual std::string dump() const override {
struct tm* timeinfo = localtime(&mRealtimeSec);
const int8_t hour = static_cast<int8_t>(timeinfo->tm_hour);
const int8_t min = static_cast<int8_t>(timeinfo->tm_min);
const int8_t sec = static_cast<int8_t>(timeinfo->tm_sec);
std::ostringstream ss;
ss << std::setfill('0') << std::setw(2) << static_cast<int>(hour) << ":"
<< std::setw(2) << static_cast<int>(min) << ":"
<< std::setw(2) << static_cast<int>(sec)
<< (mActivated ? " +" : " -")
<< " 0x" << std::hex << std::setw(8) << mSensorHandle << std::dec
<< std::setfill(' ') << " pid=" << std::setw(5) << mPid
<< " uid=" << std::setw(5) << mUid << " package=" << mPackageName;
if (mActivated) {
ss << " samplingPeriod=" << mSamplingRateUs << "us"
<< " batchingPeriod=" << mMaxReportLatencyUs << "us";
};
return ss.str();
}
/**
* Dump debugging information as android.service.SensorRegistrationInfoProto protobuf message
* using ProtoOutputStream.
*
* See proto definition and some notes about ProtoOutputStream in
* frameworks/base/core/proto/android/service/sensor_service.proto
*/
virtual void dump(util::ProtoOutputStream* proto) const override {
using namespace service::SensorRegistrationInfoProto;
proto->write(TIMESTAMP_SEC, int64_t(mRealtimeSec));
proto->write(SENSOR_HANDLE, mSensorHandle);
proto->write(PACKAGE_NAME, std::string(mPackageName.string()));
proto->write(PID, int32_t(mPid));
proto->write(UID, int32_t(mUid));
proto->write(SAMPLING_RATE_US, mSamplingRateUs);
proto->write(MAX_REPORT_LATENCY_US, mMaxReportLatencyUs);
proto->write(ACTIVATED, mActivated);
}
private:
int32_t mSensorHandle;
String8 mPackageName;
pid_t mPid;
uid_t mUid;
int64_t mSamplingRateUs;
int64_t mMaxReportLatencyUs;
bool mActivated;
time_t mRealtimeSec;
};
} // namespace android;
#endif // ANDROID_SENSOR_REGISTRATION_INFO_H