#include "Log.h"

#include <mutex>

static std::mutex g_Mtx{};

void _log(PCWSTR format, ...)

{

g_Mtx.lock();

wchar_t buffer[LOG_BUFFER_SIZE];

va_list args;

va_start(args, format);

vswprintf_s(buffer, LOG_BUFFER_SIZE, format, args);

if (!logFilePath.empty()) {

std::wofstream logFile(logFilePath, std::ios_base::app | std::ios_base::out);

if (logFile.is_open())

{

logFile << buffer;

logFile.close();

}

else {

OutputDebugStringW(L"Error opening log file for write");

}

}

else {

OutputDebugStringW(buffer);

}

va_end(args);

g_Mtx.unlock();

}

std::wstring GetTimestamp() {

// get a precise timestamp as a string

const auto now = std::chrono::system_clock::now();

const auto nowAsTimeT = std::chrono::system_clock::to_time_t(now);

tm localTime;

localtime_s(&localTime, &nowAsTimeT);

const auto nowMs = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()) % 1000;

std::wstringstream nowSs;

nowSs

<< std::put_time(&localTime, L"%Y-%m-%d %H:%M:%S")

<< '.' << std::setfill(L'0') << std::setw(3) << nowMs.count();

return nowSs.str();

}