/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #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; }