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add timestamp dates in human readable form in the BeamSpot DisplayParameters template class #42068

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Merged
cmsbuild merged 1 commit into from
Jun 25, 2023
Merged

add timestamp dates in human readable form in the BeamSpot DisplayParameters template class #42068

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75 changes: 75 additions & 0 deletions CondCore/BeamSpotPlugins/interface/BeamSpotPayloadInspectorHelper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
#include "FWCore/MessageLogger/interface/MessageLogger.h"

// system includes
#include <ctime>
#include <fmt/printf.h>
#include <memory>
#include <sstream>
Expand Down Expand Up @@ -60,6 +61,26 @@ namespace beamSpotPI {
END_OF_TYPES = 25,
};

/************************************************/
// Function to convert cond::Time_t (in microseconds) to human-readable date string
std::string convertTimeToDateString(cond::Time_t timeValue, bool hasMicros = false, bool toUTC = true) {
// Convert microseconds to seconds
std::time_t unixTime = static_cast<std::time_t>(hasMicros ? timeValue / 1000000 : timeValue);

// Convert std::time_t to struct tm (to UTC, or not)
std::tm* timeInfo = toUTC ? std::gmtime(&unixTime) : std::localtime(&unixTime);

// Convert struct tm to human-readable string format
char buffer[80];
std::strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", timeInfo);

// Append microseconds to the string
std::string dateString(buffer);
//dateString += "." + std::to_string(timeValue % 1000000);

return dateString;
}

/************************************************/
inline std::string getStringFromParamEnum(const parameters& parameter,
const bool addUnits = false /*not used by default*/) {
Expand Down Expand Up @@ -432,6 +453,44 @@ namespace beamSpotPI {
(tagname + " IOV: #color[4]{" + std::to_string(runLS.first) + "," + std::to_string(runLS.second) + "}")
.c_str());

if constexpr (std::is_same_v<PayloadType, BeamSpotOnlineObjects>) {
// protections needed against old payload that do not have these data members persisted
const auto& creationTime = test_<cond::Time_t, std::out_of_range>(
[&]() {
return m_payload->creationTime();
}, // Lambda function capturing m_payload and calling creationTime
better_error);

const auto& startTime = test_<cond::Time_t, std::out_of_range>(
[&]() {
return m_payload->startTimeStamp();
}, // Lambda function capturing m_payload and calling startTimeStamp
better_error);

const auto& endTime = test_<cond::Time_t, std::out_of_range>(
[&]() {
return m_payload->endTimeStamp();
}, // Lambda function capturing m_payload and calling endTimeStamp
better_error);
canvas.cd(2);
ltx.SetTextSize(0.025);
ltx.DrawLatexNDC(
gPad->GetLeftMargin() + 0.01,
gPad->GetBottomMargin() + 0.15,
("#color[2]{(" + beamSpotPI::convertTimeToDateString(creationTime, /*has us*/ true) + ")}").c_str());

ltx.DrawLatexNDC(gPad->GetLeftMargin() + 0.01,
gPad->GetBottomMargin() + 0.085,
("#color[2]{(" + beamSpotPI::convertTimeToDateString(startTime) + ")}").c_str());

ltx.DrawLatexNDC(gPad->GetLeftMargin() + 0.01,
gPad->GetBottomMargin() + 0.025,
("#color[2]{(" + beamSpotPI::convertTimeToDateString(endTime) + ")}").c_str());

ltx.DrawLatexNDC(
gPad->GetLeftMargin(), gPad->GetBottomMargin() - 0.05, "#color[4]{N.B.} TimeStamps are in UTC");
}

std::string fileName(this->m_imageFileName);
canvas.SaveAs(fileName.c_str());

Expand Down Expand Up @@ -477,6 +536,22 @@ namespace beamSpotPI {
return "should never be here";
}
}

// Slightly better error handler
static void better_error(const std::exception& e) { edm::LogError("DisplayParameters") << e.what() << '\n'; }

// Method to catch exceptions
template <typename T, class Except, class Func, class Response>
T test_(Func f, Response r) const {
try {
LogDebug("DisplayParameters") << "I have tried" << std::endl;
return f();
} catch (const Except& e) {
LogDebug("DisplayParameters") << "I have caught!" << std::endl;
r(e);
return static_cast<T>(1);
}
}
};

/************************************************
Expand Down