/builddir/build/BUILD/libutil++-1.4.0/src/sella/util/LogFormat.cpp

/*
** libutil++
** $Id: LogFormat.cpp 1230 2014-11-16 02:32:01Z sella $
** Copyright (c) 2011-2014 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 1230 2014-11-16 02:32:01Z sella $";

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

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

#include <string>

#define BUFFER_SIZE (64 * 1024)
#define MICRO_SIZE 64

using namespace sella::util;

const std::string LogFormat::DefaultStampFormat = "%Y-%m-%d+%H:%M:%S";

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

std::string LogFormat::format(const struct timeval &stamp) throw () {
        char                    buffer[BUFFER_SIZE];
        char                    micro[MICRO_SIZE];
        struct tm       time;

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

        if (this->micro) {
                snprintf(micro, sizeof(micro), ".%06lu", stamp.tv_usec);

                strncpy(&(buffer[strftime(buffer, sizeof(buffer)/2, this->stamp.c_str(), &time)]), micro, sizeof(buffer)/2);
        } else {
                strftime(buffer, sizeof(buffer), this->stamp.c_str(), &time);
        }

        return std::string(buffer);
}

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

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