59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
#include <iostream>
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#include <string>
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#include <Windows.h>
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#include <ctime>
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#include <sstream>
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#include <iomanip>
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#include <array>
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#include <string_view>
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#include <mutex>
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#include <chrono>
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extern int isDebug; // 0 = OFF, 1 = ON
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std::string colorOut_256(std::string_view s, int ForeColor = 7)
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{
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std::ostringstream oss;
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oss << "\033[38;5;" << ForeColor << "m" << s << "\033[m";
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return oss.str();
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}
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std::string getSystemTime() {
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using namespace std::chrono;
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const auto now = system_clock::now();
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const auto now_time_t = system_clock::to_time_t(now);
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const auto ms = duration_cast<milliseconds>(now.time_since_epoch()).count() % 1000;
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std::tm ltm{};
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localtime_s(<m, &now_time_t);
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std::ostringstream oss;
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oss << std::put_time(<m, "%Y-%m-%d %H:%M:%S")
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<< '.' << std::setw(3) << std::setfill('0') << ms;
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return oss.str();
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}
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// Logger mutex to ensure whole log lines are emitted atomically
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static std::mutex loggerMutex;
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void postLog(const std::string& message, int level) {
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const auto timeNow = getSystemTime();
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constexpr std::array<const char*, 5> levelNames = {"DEBUG", "INFO", "WARNING", "ERROR", "FATAL"};
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constexpr std::array<int, 5> levelColors = {34, 27, 220, 196, 124};
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const int idx = (level >= 0 && level < static_cast<int>(levelNames.size())) ? level : 1; // default to INFO
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// Lock to make reading isDebug and all output atomic across threads
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std::scoped_lock lock(loggerMutex);
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if (isDebug == 0) {
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if (idx == 0) return; // skip DEBUG when debug is off
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std::cout << "[" << timeNow << " - " << levelNames[idx] << "] " << message << "\n";
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return;
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}
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// isDebug == 1 -> colored output
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const std::string levelDisplay = colorOut_256(levelNames[idx], levelColors[idx]);
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std::ostream& out = (idx >= 3) ? static_cast<std::ostream&>(std::cerr) : static_cast<std::ostream&>(std::cout);
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out << "[" << timeNow << " - " << levelDisplay << "] " << message << "\n";
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} |