DSProxy/SProxy/Logger.cpp

#include "stdafx.h"
#include "Logger.h"

Logger* SSingleton<Logger>::ms_Singleton = NULL;

Logger::Logger() {
	// 默认构造函数
	this->target = terminal;
	this->level = debug;
	cout << "[SProxy] " << __FILE__ << " " << currTime() << " : " << "=== Start logging ===" << endl;
}

void log_debug_message(const char* format, ...) {
	char logMessage[256];
	va_list args;
	va_start(args, format);
	vsnprintf(logMessage, sizeof(logMessage), format, args);
	va_end(args);

	HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleTextAttribute(console, FOREGROUND_GREEN); // 设置文本颜色为绿色
	OutputDebugStringA(logMessage);
	SetConsoleTextAttribute(console, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE); // 恢复文本颜色为默认值
}

void Logger::Init(log_target target, log_level level, string path)
{
	this->target = target;
	if (path.empty())
	{
		this->path = std::filesystem::current_path().string() + "\\log\\log.txt";
	}
 
	this->level = level;
	string tmp = "";  // 双引号下的常量不能直接相加，所以用一个string类型做转换
	string welcome_dialog = tmp + "[SProxy] " + __FILE__ + " " + currTime() + " : " + "=== Start logging ===\n";
	if (target != terminal) {
		this->outfile.open(this->path, ios::out | ios::app);   // 打开输出文件
		this->outfile << welcome_dialog;
	}
	if (target != file) {
		// 如果日志对象不是仅文件
		cout << welcome_dialog;
	}
}
 

void Logger::output(string text, log_level act_level) {
	string prefix;
	if (act_level == debug) prefix = "[DEBUG]   ";
	else if (act_level == info) prefix = "[INFO]    ";
	else if (act_level == warning) prefix = "[WARNING] ";
	else if (act_level == error) prefix = "[ERROR]   ";
	else prefix = "";
	prefix += __FILE__;
	prefix += " ";
	string output_content = prefix + currTime() + " : " + text + "\n";
	if (this->level <= act_level && this->target != file) {
		// 当前等级设定的等级才会显示在终端，且不能是只文件模式
		cout << output_content;
	}
	if (this->target != terminal)
		outfile << output_content;


#ifdef _DEBUG
	log_debug_message(output_content.c_str());
#endif // _DEBUG
	
}


void Logger::DEBUG(string text) {
#ifdef _DEBUG
	this->output(text, debug);
#endif // _DEBUG

	
}

void Logger::INFO(string text) {
	this->output(text, info);
}

void Logger::WARNING(string text) {
	this->output(text, warning);
}

void Logger::LERROR(string text) {
	this->output(text, error);
}