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#pragma once
#include <string>
#include <format>
#include <iostream>
#include <fstream>
#include <chrono>
#include <mutex>
#include "../includes.hpp"
#include "../helpers/MiscFunctions.hpp"
#define LOGMESSAGESIZE 1024
#define ROLLING_LOG_SIZE 4096
enum LogLevel {
NONE = -1,
LOG = 0,
WARN,
ERR,
CRIT,
INFO,
TRACE
};
namespace Debug {
inline std::string logFile;
inline std::ofstream logOfs;
inline int64_t* const* disableLogs = nullptr;
inline int64_t* const* disableTime = nullptr;
inline bool disableStdout = false;
inline bool trace = false;
inline bool shuttingDown = false;
inline int64_t* const* coloredLogs = nullptr;
inline std::string rollingLog = ""; // rolling log contains the ROLLING_LOG_SIZE tail of the log
inline std::mutex logMutex;
void init(const std::string& IS);
void close();
//
void log(LogLevel level, std::string str);
template <typename... Args>
void log(LogLevel level, std::format_string<Args...> fmt, Args&&... args) {
std::lock_guard<std::mutex> guard(logMutex);
if (level == TRACE && !trace)
return;
if (shuttingDown)
return;
std::string logMsg = "";
// print date and time to the ofs
if (disableTime && !**disableTime) {
#ifndef _LIBCPP_VERSION
static auto current_zone = std::chrono::current_zone();
const auto zt = std::chrono::zoned_time{current_zone, std::chrono::system_clock::now()};
const auto hms = std::chrono::hh_mm_ss{zt.get_local_time() - std::chrono::floor<std::chrono::days>(zt.get_local_time())};
#else
// TODO: current clang 17 does not support `zoned_time`, remove this once clang 19 is ready
const auto hms = std::chrono::hh_mm_ss{std::chrono::system_clock::now() - std::chrono::floor<std::chrono::days>(std::chrono::system_clock::now())};
#endif
logMsg += std::format("[{}] ", hms);
}
// no need for try {} catch {} because std::format_string<Args...> ensures that vformat never throw std::format_error
// because
// 1. any faulty format specifier that sucks will cause a compilation error.
// 2. and `std::bad_alloc` is catastrophic, (Almost any operation in stdlib could throw this.)
// 3. this is actually what std::format in stdlib does
logMsg += std::vformat(fmt.get(), std::make_format_args(args...));
log(level, logMsg);
}
};
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