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#pragma once
#include <string>
#include <chrono>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
using namespace std;
string timeStamp()
{
char date[32];
time_t t = time(0);
strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", gmtime(&t));
return string(date);
}
class logger {
public:
//
enum class Level
{
CRITICAL,
ERROR,
WARNING,
INFO,
DEBUG
};
//
logger(string prefix, logger::Level level) : m_prefix(prefix), m_level(level) {
}
~logger() {
#ifdef CROW_ENABLE_LOGGING
cerr << "(" << timeStamp() << ") [" << m_prefix << "] " << m_stringStream.str() << endl;
#endif
}
//
template <typename T>
logger& operator<<(T const &value) {
#ifdef CROW_ENABLE_LOGGING
m_stringStream << value;
#endif
return *this;
}
private:
//
ostringstream m_stringStream;
string m_prefix;
Level m_level;
};
#define CROW_LOG_CRITICAL logger("CRITICAL", logger::Level::CRITICAL)
#define CROW_LOG_ERROR logger("ERROR ", logger::Level::ERROR)
#define CROW_LOG_WARNING logger("WARNING ", logger::Level::WARNING)
#define CROW_LOG_INFO logger("INFO ", logger::Level::INFO)
#define CROW_LOG_DEBUG logger("DEBUG ", logger::Level::DEBUG)
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