time_itos.cxx

mgcp协议源代码。支持多种编码：g711

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */
static const char* const time_itos_cxx_Version =
    "$Id: time_itos.cxx,v 1.7 2000/12/18 23:42:38 bko Exp $";
#include <stdio.h>
#include <iostream>
#include <strstream>
#include <string>
#include "support.hxx"
#include <stdio.h>
#include "time_functions.h"
#ifdef __vxworks
#include "streams/led.h"
#include "taskLib.h"
#endif
#include <unistd.h>

int main(void)
{
    struct timeval start_time;
    struct timeval end_time;

    long delta;

    int i;
    string hex;
    string dec;

    string hex_new;
    string dec_new;


    bool error = false;

    sleep(1);

    gettimeofday(&start_time, 0);

    for (i = 0; i < 100000; i++)
    {
        dec = itos(i);
    }

    gettimeofday(&end_time, 0);

    delta = (end_time.tv_sec - start_time.tv_sec) * 1000000 +
            end_time.tv_usec - start_time.tv_usec;

    cout << "time itos: " << delta << endl;

    sleep(1);

    gettimeofday(&start_time, 0);

    for (i = 0; i < 100000; i++)
    {
        char decbuf[256];
        sprintf(decbuf, "%d", i);
        dec = decbuf;
    }

    gettimeofday(&end_time, 0);

    delta = (end_time.tv_sec - start_time.tv_sec) * 1000000 +
            end_time.tv_usec - start_time.tv_usec;

    cout << "time sprintf: " << delta << endl;


    sleep(1);

    char buf[8];

    gettimeofday(&start_time, 0);

    for (i = 0; i < 100000; i++)
    {
        ostrstream ost(buf, 8);
        ost << i;
        dec = ost.str();
    }

    gettimeofday(&end_time, 0);

    delta = (end_time.tv_sec - start_time.tv_sec) * 1000000 +
            end_time.tv_usec - start_time.tv_usec;

    cout << "time ostrstream: " << delta << endl;

    exit(0);
}