source: qutecom-coip/libs/owutil/util/src/Uuid.cpp @ 125:d648f4cb122f

/*
 * QuteCom, a voice over Internet phone
 * Copyright (C) 2010 Mbdsys
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <util/Uuid.h>

#include <util/String.h>
#include <util/Logger.h>

#include <QtCore/QUuid>

#include <ctime>

int Uuid::generateInteger() {
        //Under GNU systems
        //int = 32 bits from -2,147,483,647 to 2,147,483,647

        //Number of seconds since 1970
        int seconds = time(NULL);

        //Until 10 id generated per second
        static int seed = 0;
        String tmp = String::fromNumber(seconds) + String::fromNumber(seed++ % 10);
        String date;

        //Removes the first digit
        for (unsigned i = 1; i < tmp.length(); i++) {
                date += tmp[i];
        }

        int id = date.toInteger();
        LOG_DEBUG("generated id=" + String::fromNumber(id));

        return id;
}

std::string Uuid::generateString() {
        return QUuid::createUuid().toString().toStdString();
}