LogFormat.cpp

/*
** libutil++
** $Id: LogFormat.cpp 1664 2016-04-04 03:57:40Z sella $
** Copyright (c) 2011-2016 Digital Genesis, LLC. All Rights Reserved.
** Released under the LGPL Version 2.1 License.
** http://www.digitalgenesis.com
*/

static const char rcsid[] __attribute__((used)) = "$Id: LogFormat.cpp 1664 2016-04-04 03:57:40Z sella $";

#include "LogFormat.h"
#include "Log.h"
#include "../Exception.h"

#include <sys/time.h>
#include <string.h>
#include <stdio.h>

#include <string>

using namespace sella::util;

const std::string LogFormat::DefaultStampFormat(DEFAULTSTAMPFORMAT);

LogFormat::LogFormat(const std::string &stamp, bool micro) throw () :
        stamp(stamp),
        micro(micro)
{ }

std::string LogFormat::format(const struct timeval &stamp) throw () {
        char                    buffer[512] = { 0 };
        char                    micro[64] = { 0 };
        struct tm       time;

        localtime_r(&(stamp.tv_sec), &time);

        if (this->micro) {
                size_t tlen = strftime(buffer, sizeof(buffer) - sizeof(micro), this->stamp.c_str(), &time);
                size_t mlen = snprintf(micro, sizeof(micro), ".%06lu", stamp.tv_usec);

                strncpy(buffer + tlen, micro, mlen);
        } else {
                strftime(buffer, sizeof(buffer), this->stamp.c_str(), &time);
        }

        return std::string(buffer);
}

/*
** vim: noet ts=3 sw=3
*/