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logger.cpp
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#include "logger.h"
#include <cstdarg>
#include <cstdio>
#include <ctime>
#include <filesystem>
#include <iostream>
#include <mutex>
#include <time.h>
std::string LogDir;
std::mutex LogMutex;
FILE* Fp = nullptr;
std::string LogFileName;
volatile bool IsInit = false;
volatile int ShowLogLevel = 0;
volatile int SaveLogLevel;
using namespace std;
static void WriteFrmtd(FILE* stream, const char* format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stream, format, args);
va_end(args);
}
void Logger::print_log(int level, const char* log_format, va_list lst)
{
if (level >= ShowLogLevel)
vprintf(log_format, lst);
}
void Logger::save_log(int level, const char* log_format, va_list lst)
{
std::unique_lock<std::mutex> lock(LogMutex);
if (IsInit && level >= SaveLogLevel)
{
char tmp[64];
struct tm* timinfo;
time_t time_stamp = time(nullptr);
timinfo = localtime(&time_stamp);
strftime(tmp, sizeof(tmp), "%Y-%m-%d", timinfo);
if (LogFileName == string(tmp) && Fp)
{
vfprintf(Fp, log_format, lst);
fflush(Fp);
}
else
{
if (Fp) fclose(Fp);
LogFileName = string(tmp);
Fp = fopen((LogDir + "/" + LogFileName + ".log").c_str(), "a");
if (Fp) vfprintf(Fp, log_format, lst), fflush(Fp);
}
}
}
bool Logger::Init(const std::string& path, int show_log_level, int save_log_level)
{
if (path.empty()) return false;
ShowLogLevel = show_log_level;
SaveLogLevel = save_log_level;
//检测目标文件是否存在
if (std::filesystem::exists(path) == false)
if (false == std::filesystem::create_directory(path)) return false;
//检测目标文件类型
if (std::filesystem::status(path).type() == std::filesystem::file_type::directory)
{
LogDir = path;
IsInit = true;
return true;
}
else
{
IsInit = false;
return false;
}
}
void Logger::LogDebug(const char* format, ...)
{
va_list lst;
char tmp[80];
sprintf(tmp, "[%s] [DEBUG] ", Time::GetFormattedTime().c_str());
va_start(lst, format);
Logger::print_log(-1, (std::string("\033[0m\033[34m") + std::string(tmp) + format + "\033[0m" + "\n").c_str(), lst);
va_end(lst);
va_start(lst, format);
Logger::save_log(-1, (std::string(tmp) + format + "\n").c_str(), lst);
va_end(lst);
}
void Logger::LogInfo(const char* format, ...)
{
va_list lst;
char tmp[80];
sprintf(tmp, "[%s] [INFO] ", Time::GetFormattedTime().c_str());
va_start(lst, format);
Logger::print_log(0, (std::string("\033[0m") + std::string(tmp) + format + "\n").c_str(), lst);
va_end(lst);
va_start(lst, format);
Logger::save_log(0, (std::string(tmp) + format + "\n").c_str(), lst);
va_end(lst);
}
void Logger::LogWarn(const char* format, ...)
{
va_list lst;
char tmp[80];
sprintf(tmp, "[%s] [Warn] ", Time::GetFormattedTime().c_str());
va_start(lst, format);
Logger::print_log(1, (std::string("\033[0m\033[33m") + std::string(tmp) + format + "\033[0m" + "\n").c_str(), lst);
va_end(lst);
va_start(lst, format);
Logger::save_log(1, (std::string(tmp) + format + "\n").c_str(), lst);
va_end(lst);
}
void Logger::LogError(const char* format, ...)
{
va_list lst;
char tmp[80];
sprintf(tmp, "[%s] [ERROR] ", Time::GetFormattedTime().c_str());
va_start(lst, format);
Logger::print_log(2, (std::string("\033[0m\033[31m") + std::string(tmp) + format + "\033[0m" + "\n").c_str(), lst);
va_end(lst);
va_start(lst, format);
Logger::save_log(2, (std::string(tmp) + format + "\n").c_str(), lst);
va_end(lst);
}
void Logger::LogPlayer(const char* format, ...)
{
va_list lst;
char tmp[80];
sprintf(tmp, "[%s] [Player] ", Time::GetFormattedTime().c_str());
va_start(lst, format);
Logger::print_log(3, (std::string("\033[0m\033[35m") + std::string(tmp) + format + "\033[0m" + "\n").c_str(), lst);
va_end(lst);
va_start(lst, format);
Logger::save_log(3, (std::string(tmp) + format + "\n").c_str(), lst);
va_end(lst);
}
std::string Time::GetFormattedTime(void) noexcept
{
return Time::ConvertTimeStampToFormattedTime(time(0));
}
std::string Time::ConvertTimeStampToFormattedTime(time_t time_stamp) noexcept
{
char tmp[64];
struct tm* timinfo;
timinfo = localtime(&time_stamp);
strftime(tmp, sizeof(tmp), "%Y-%m-%d %H-%M-%S", timinfo);
return tmp;
}