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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "prio.h"
#include "prmem.h"
#include "prprf.h"
#include "prinrval.h"
#include "plerror.h"
#include "plgetopt.h"
static PRFileDesc *err = NULL;
static void Help(void)
{
PR_fprintf(err, "Usage: [-S] [-K <n>] [-h] <filename>\n");
PR_fprintf(err, "\t-c Nuber of iterations (default: 10)\n");
PR_fprintf(err, "\t-S Sync the file (default: FALSE)\n");
PR_fprintf(err, "\t-K Size of file (K bytes) (default: 10)\n");
PR_fprintf(err, "\t Name of file to write (default: /usr/tmp/sync.dat)\n");
PR_fprintf(err, "\t-h This message and nothing else\n");
} /* Help */
int main(int argc, char **argv)
{
PRStatus rv;
PLOptStatus os;
PRUint8 *buffer;
PRFileDesc *file = NULL;
const char *filename = "sync.dat";
PRUint32 index, loops, iterations = 10, filesize = 10;
PRIntn flags = PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE;
PLOptState *opt = PL_CreateOptState(argc, argv, "hSK:c:");
PRIntervalTime time, total = 0, shortest = 0x7fffffff, longest = 0;
err = PR_GetSpecialFD(PR_StandardError);
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 0: /* Name of file to create */
filename = opt->value;
break;
case 'S': /* Use sych option on file */
flags |= PR_SYNC;
break;
case 'K': /* Size of file to write */
filesize = atoi(opt->value);
break;
case 'c': /* Number of iterations */
iterations = atoi(opt->value);
break;
case 'h': /* user wants some guidance */
default: /* user needs some guidance */
Help(); /* so give him an earful */
return 2; /* but not a lot else */
}
}
PL_DestroyOptState(opt);
file = PR_Open(filename, flags, 0666);
if (NULL == file)
{
PL_FPrintError(err, "Failed to open file");
return 1;
}
buffer = (PRUint8*)PR_CALLOC(1024);
if (NULL == buffer)
{
PL_FPrintError(err, "Cannot allocate buffer");
return 1;
}
for (index = 0; index < sizeof(buffer); ++index)
buffer[index] = (PRUint8)index;
for (loops = 0; loops < iterations; ++loops)
{
time = PR_IntervalNow();
for (index = 0; index < filesize; ++index)
{
PR_Write(file, buffer, 1024);
}
time = (PR_IntervalNow() - time);
total += time;
if (time < shortest) shortest = time;
else if (time > longest) longest = time;
if (0 != PR_Seek(file, 0, PR_SEEK_SET))
{
PL_FPrintError(err, "Rewinding file");
return 1;
}
}
total = total / iterations;
PR_fprintf(
err, "%u iterations over a %u kbyte %sfile: %u [%u] %u\n",
iterations, filesize, ((flags & PR_SYNC) ? "SYNCH'd " : ""),
PR_IntervalToMicroseconds(shortest),
PR_IntervalToMicroseconds(total),
PR_IntervalToMicroseconds(longest));
PR_DELETE(buffer);
rv = PR_Close(file);
if (PR_SUCCESS != rv)
{
PL_FPrintError(err, "Closing file failed");
return 1;
}
rv = PR_Delete(filename);
if (PR_SUCCESS != rv)
{
PL_FPrintError(err, "Deleting file failed");
return 1;
}
return 0;
}
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