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#pragma once
// This file overrides the default crow logging framework to use g3 instead.
// It implements enough of the interfaces of the crow logging framework to work correctly
// but deletes the ILogHandler interface, as usage of that would be counter to the g3
// handler management, and would cause performance issues.
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <sstream>
#include <string>
#include <g3log/g3log.hpp>
#include <g3log/logworker.hpp>
namespace crow {
enum class LogLevel {
#ifndef ERROR
DEBUG = 0,
INFO,
WARNING,
ERROR,
CRITICAL,
#endif
Debug = 0,
Info,
Warning,
Error,
Critical,
};
class logger {
public:
logger(std::string prefix, LogLevel level) : level_(level) {
// no op, let g3 handle th log levels
}
//
template <typename T>
logger& operator<<(T const& value) {
#ifdef CROW_ENABLE_LOGGING
if (level_ >= get_current_log_level()) {
stringstream_ << value;
}
#endif
return *this;
}
//
static void setLogLevel(LogLevel level) { get_log_level_ref() = level; }
static LogLevel get_current_log_level() { return get_log_level_ref(); }
private:
//
static LogLevel& get_log_level_ref() {
static LogLevel current_level = (LogLevel)CROW_LOG_LEVEL;
return current_level;
}
//
std::ostringstream stringstream_;
LogLevel level_;
};
}
#define CROW_LOG_CRITICAL LOG(FATAL)
#define CROW_LOG_ERROR LOG(WARNING)
#define CROW_LOG_WARNING LOG(WARNING)
#define CROW_LOG_INFO LOG(INFO)
#define CROW_LOG_DEBUG LOG(DEBUG)
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