pjs/nsprpub/pr/tests/bigfile.c

243 строки
8.1 KiB
C

/* -*- 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 "prinit.h"
#include "prerror.h"
#include "prthread.h"
#include "plerror.h"
#include "plgetopt.h"
#define DEFAULT_COUNT 10
#define DEFAULT_FILESIZE 1
#define BUFFER_SIZE 1000000
typedef enum {v_silent, v_whisper, v_shout} Verbosity;
static void Verbose(Verbosity, const char*, const char*, PRIntn);
#define VERBOSE(_l, _m) Verbose(_l, _m, __FILE__, __LINE__)
static PRIntn filesize = 1;
static PRIntn test_result = 2;
static PRFileDesc *output = NULL;
static PRIntn verbose = v_silent;
static PRIntn Usage(void)
{
PR_fprintf(output, "Bigfile test usage:\n");
PR_fprintf(output, ">bigfile [-G] [-d] [-v[*v]] [-s <n>] <filename>\n");
PR_fprintf(output, "\td\tdebug mode (equivalent to -vvv)\t(false)\n");
PR_fprintf(output, "\tv\tAdditional levels of output\t(none)\n");
PR_fprintf(output, "\ts <n>\tFile size in megabytes\t\t(1 megabyte)\n");
PR_fprintf(output, "\t<filename>\tName of test file\t(none)\n");
return 2; /* nothing happened */
} /* Usage */
static PRStatus DeleteIfFound(const char *filename)
{
PRStatus rv;
VERBOSE(v_shout, "Checking for existing file");
rv = PR_Access(filename, PR_ACCESS_WRITE_OK);
if (PR_SUCCESS == rv)
{
VERBOSE(v_shout, "Deleting existing file");
rv = PR_Delete(filename);
if (PR_FAILURE == rv) VERBOSE(v_shout, "Cannot delete big file");
}
else if (PR_FILE_NOT_FOUND_ERROR != PR_GetError())
VERBOSE(v_shout, "Cannot access big file");
return rv;
} /* DeleteIfFound */
static PRIntn Error(const char *msg, const char *filename)
{
PRInt32 error = PR_GetError();
if (NULL != msg)
{
if (0 == error) PR_fprintf(output, msg);
else PL_FPrintError(output, msg);
}
(void)DeleteIfFound(filename);
if (v_shout == verbose) PR_Abort();
return 1;
} /* Error */
static void Verbose(
Verbosity level, const char *msg, const char *file, PRIntn line)
{
if (level <= verbose)
PR_fprintf(output, "[%s : %d]: %s\n", file, line, msg);
} /* Verbose */
PRIntn main(PRIntn argc, char **argv)
{
PRStatus rv;
char *buffer;
PLOptStatus os;
PRInt32 loop, bytes;
PRFileDesc *file = NULL;
const char *filename = NULL;
PRIntn count = DEFAULT_COUNT;
PRFileInfo64 *big_info = NULL;
PRInt64 big_answer, big_size, one_meg, zero_meg, big_fragment;
PRInt64 filesize64;
PLOptState *opt = PL_CreateOptState(argc, argv, "dvhs:");
output = PR_GetSpecialFD(PR_StandardError);
PR_STDIO_INIT();
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 0:
filename = opt->value;
break;
case 'd': /* debug mode */
verbose = v_shout;
break;
case 'v': /* verbosity */
if (v_shout > verbose) verbose += 1;
break;
case 'c': /* loop counter */
count = atoi(opt->value);
break;
case 's': /* filesize */
filesize = atoi(opt->value);
break;
case 'h': /* confused */
default:
return Usage();
}
}
PL_DestroyOptState(opt);
if (NULL == filename) return Usage();
if (0 == count) count = DEFAULT_COUNT;
if (0 == filesize) filesize = DEFAULT_FILESIZE;
if (PR_FAILURE == DeleteIfFound(filename)) return 1;
test_result = 0;
LL_I2L(zero_meg, 0);
LL_I2L(one_meg, 1000000);
LL_I2L(filesize64, filesize);
buffer = (char*)PR_MALLOC(BUFFER_SIZE);
LL_I2L(big_fragment, BUFFER_SIZE);
LL_MUL(big_size, filesize64, one_meg);
for (loop = 0; loop < BUFFER_SIZE; ++loop) buffer[loop] = (char)loop;
VERBOSE(v_whisper, "Creating big file");
file = PR_Open(filename, PR_CREATE_FILE | PR_WRONLY, 0666);
if (NULL == file) return Error("PR_Open()", filename);
VERBOSE(v_whisper, "Testing available space in empty file");
big_answer = file->methods->available64(file);
if (!LL_IS_ZERO(big_answer)) return Error("empty available64()", filename);
#if 0
VERBOSE(v_whisper, "Filling big file with data");
while (LL_CMP(big_answer, <, big_size))
{
bytes = file->methods->write(file, buffer, BUFFER_SIZE);
if (bytes != BUFFER_SIZE) return Error("write", filename);
LL_ADD(big_answer, big_answer, big_fragment);
}
#else
LL_SUB(big_size, big_size, one_meg);
big_answer = file->methods->seek64(file, big_size, PR_SEEK_SET);
bytes = file->methods->write(file, buffer, BUFFER_SIZE);
if (bytes != BUFFER_SIZE) return Error("write", filename);
#endif
VERBOSE(v_whisper, "Testing available space in filled file");
big_answer = file->methods->available64(file);
if (LL_NE(big_answer, zero_meg)) return Error("eof available64()", filename);
VERBOSE(v_whisper, "Rewinding big file");
big_answer = file->methods->seek64(file, zero_meg, PR_SEEK_SET);
if (LL_NE(big_answer, zero_meg)) return Error("rewind seek64()", filename);
VERBOSE(v_whisper, "Establishing available space in rewound file");
big_size = file->methods->available64(file);
if (!LL_GE_ZERO(big_size)) return Error("bof available64()", filename);
VERBOSE(v_whisper, "Closing big file");
rv = file->methods->close(file);
if (PR_FAILURE == rv) return Error("close()", filename);
VERBOSE(v_whisper, "Reopening big file");
file = PR_Open(filename, PR_RDWR, 0666);
if (NULL == file) return Error("bof seek64()", filename);
VERBOSE(v_whisper, "Checking available data in reopened file");
big_answer = file->methods->available64(file);
if (LL_NE(big_size, big_answer)) return Error("reopened available64()", filename);
big_answer = zero_meg;
VERBOSE(v_whisper, "Rewriting big file data");
while (LL_CMP(big_answer, <, big_size))
{
bytes = file->methods->write(file, buffer, BUFFER_SIZE);
if (bytes != BUFFER_SIZE) return Error("write", filename);
LL_ADD(big_answer, big_answer, big_fragment);
}
VERBOSE(v_whisper, "Testing available space at eof");
big_answer = file->methods->available64(file);
if (LL_NE(big_answer, zero_meg)) return Error("eof available64()", filename);
VERBOSE(v_whisper, "Rewinding full file file");
big_answer = file->methods->seek64(file, zero_meg, PR_SEEK_SET);
if (LL_NE(big_answer, zero_meg)) return Error("bof seek64()", filename);
VERBOSE(v_whisper, "Testing available space in rewound file");
big_answer = file->methods->available64(file);
if (LL_NE(big_answer, big_size)) return Error("bof available64()", filename);
VERBOSE(v_whisper, "Seeking to end of big file");
big_answer = file->methods->seek64(file, big_size, PR_SEEK_SET);
if (LL_NE(big_answer, big_size)) return Error("eof seek64()", filename);
VERBOSE(v_whisper, "Getting info on big file");
big_info = PR_NEWZAP(PRFileInfo64);
rv = file->methods->fileInfo64(file, big_info);
if (PR_FAILURE == rv) return Error("fileInfo64()", filename);
PR_DELETE(big_info);
VERBOSE(v_whisper, "Closing big file");
rv = file->methods->close(file);
if (PR_FAILURE == rv) return Error("close()", filename);
VERBOSE(v_whisper, "Deleting big file");
rv = PR_Delete(filename);
if (PR_FAILURE == rv) return Error("PR_Delete()", filename);
PR_DELETE(buffer);
return test_result;
} /* main */
/* bigfile.c */