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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
/**
* This eventually prefixes log records with the current frame number.
*/
#include "System/MainDefines.h"
#include <cassert>
#include <cstdarg>
#include <cstring>
#include <chrono>
constexpr static int64_t SECS_TO_NANOSECS = 1000 * 1000 * 1000;
constexpr static int64_t MINS_TO_NANOSECS = SECS_TO_NANOSECS * 60;
constexpr static int64_t HOURS_TO_NANOSECS = MINS_TO_NANOSECS * 60;
#ifdef __cplusplus
extern "C" {
#endif
// GlobalSynced makes sure this can not be dangling
static int* frameNumRef = nullptr;
void log_framePrefixer_setFrameNumReference(int* frameNumReference)
{
frameNumRef = frameNumReference;
}
size_t log_framePrefixer_createPrefix(char* result, size_t resultSize)
{
const static auto refTime = std::chrono::high_resolution_clock::now();
const auto curTime = std::chrono::high_resolution_clock::now();
int64_t ns = (curTime - refTime).count();
// prefix with engine running-time in hh:mm:ss.us format since first log call
const int32_t hh = ns / HOURS_TO_NANOSECS; ns %= HOURS_TO_NANOSECS;
const int32_t mm = ns / MINS_TO_NANOSECS; ns %= MINS_TO_NANOSECS;
const int32_t ss = ns / SECS_TO_NANOSECS; ns %= SECS_TO_NANOSECS;
assert(resultSize != 0);
if (frameNumRef == nullptr)
return (SNPRINTF(result, resultSize, "[t=%02d:%02d:%02d.%06ld] ", hh, mm, ss, (ns / 1000) % 1000000));
return (SNPRINTF(result, resultSize, "[t=%02d:%02d:%02d.%06ld][f=%07d] ", hh, mm, ss, (ns / 1000) % 1000000, *frameNumRef));
}
#ifdef __cplusplus
} // extern "C"
#endif
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