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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- #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 */
-
- PRIntn main(PRIntn argc, char **argv)
- {
- PRStatus rv;
- PLOptStatus os;
- PRUint8 *buffer;
- PRFileDesc *file = NULL;
- const char *filename = "/usr/tmp/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;
- }
-