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/* -*- 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
#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 test_result = 2;
static PRFileDesc* output = NULL;
static PRIntn verbose = v_silent;
static PRIntn filesize = DEFAULT_FILESIZE;
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, "\tk\tKeep data file after exit\t(false)\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");
} else {
rv = PR_SUCCESS;
}
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 */
static void PrintInfo(PRFileInfo64* info, const char* filename) {
PRExplodedTime tm;
char ctime[40], mtime[40];
static const char* types[] = {"FILE", "DIRECTORY", "OTHER"};
PR_fprintf(output, "[%s : %d]: File info for %s\n", __FILE__, __LINE__,
filename);
PR_fprintf(output, " type: %s, size: %llu bytes,\n", types[info->type - 1],
info->size);
PR_ExplodeTime(info->creationTime, PR_GMTParameters, &tm);
(void)PR_FormatTime(ctime, sizeof(ctime), "%c GMT", &tm);
PR_ExplodeTime(info->modifyTime, PR_GMTParameters, &tm);
(void)PR_FormatTime(mtime, sizeof(mtime), "%c GMT", &tm);
PR_fprintf(output, " creation: %s,\n modify: %s\n", ctime, mtime);
} /* PrintInfo */
int main(int argc, char** argv) {
PRStatus rv;
char* buffer;
PLOptStatus os;
PRInt32 loop, bytes;
PRFileInfo small_info;
PRFileInfo64 big_info;
PRBool keep = PR_FALSE;
PRFileDesc* file = NULL;
const char* filename = NULL;
PRIntn count = DEFAULT_COUNT;
PRInt64 filesize64, big_answer, big_size, one_meg, zero_meg, big_fragment;
PRInt64 sevenFox = LL_INIT(0, 0x7fffffff);
PLOptState* opt = PL_CreateOptState(argc, argv, "dtvhs:");
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 'k': /* keep file */
keep = PR_TRUE;
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 (0 == count) {
count = DEFAULT_COUNT;
}
if (0 == filesize) {
filesize = DEFAULT_FILESIZE;
}
if (NULL == filename) {
#define FILE_NAME "bigfile.dat"
if (DEFAULT_FILESIZE != filesize) {
return Usage();
} else {
filename = FILE_NAME;
}
}
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(filesize64, 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);
}
LL_SUB(big_size, filesize64, one_meg);
VERBOSE(v_whisper, "Creating sparse big file by seeking to end");
big_answer = file->methods->seek64(file, big_size, PR_SEEK_SET);
if (!LL_EQ(big_answer, big_size)) {
return Error("seek", filename);
}
VERBOSE(v_whisper, "Writing block at end of sparse file");
bytes = file->methods->write(file, buffer, BUFFER_SIZE);
if (bytes != BUFFER_SIZE) {
return Error("write", filename);
}
VERBOSE(v_whisper, "Testing available space at end of sparse file");
big_answer = file->methods->available64(file);
if (!LL_IS_ZERO(big_answer)) {
return Error("eof available64()", filename);
}
VERBOSE(v_whisper, "Getting big info on sparse big file");
rv = file->methods->fileInfo64(file, &big_info);
if (PR_FAILURE == rv) {
return Error("fileInfo64()", filename);
}
if (v_shout <= verbose) {
PrintInfo(&big_info, filename);
}
VERBOSE(v_whisper, "Getting small info on sparse big file");
rv = file->methods->fileInfo(file, &small_info);
if (LL_CMP(sevenFox, <, filesize64) && (PR_SUCCESS == rv)) {
VERBOSE(v_whisper, "Should have failed and didn't");
return Error("fileInfo()", filename);
} else if (LL_CMP(sevenFox, >, filesize64) && (PR_FAILURE == rv)) {
VERBOSE(v_whisper, "Should have succeeded and didn't");
return Error("fileInfo()", filename);
}
VERBOSE(v_whisper, "Rewinding big file");
big_answer = file->methods->seek64(file, zero_meg, PR_SEEK_SET);
if (!LL_IS_ZERO(big_answer)) {
return Error("rewind seek64()", filename);
}
VERBOSE(v_whisper, "Establishing available space in rewound file");
big_answer = file->methods->available64(file);
if (LL_NE(filesize64, big_answer)) {
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("open failed", filename);
}
VERBOSE(v_whisper, "Checking available data in reopened file");
big_answer = file->methods->available64(file);
if (LL_NE(filesize64, big_answer)) {
return Error("reopened available64()", filename);
}
big_answer = zero_meg;
VERBOSE(v_whisper, "Rewriting every byte of big file data");
do {
bytes = file->methods->write(file, buffer, BUFFER_SIZE);
if (bytes != BUFFER_SIZE) {
return Error("write", filename);
}
LL_ADD(big_answer, big_answer, big_fragment);
} while (LL_CMP(big_answer, <, filesize64));
VERBOSE(v_whisper, "Checking position at eof");
big_answer = file->methods->seek64(file, zero_meg, PR_SEEK_CUR);
if (LL_NE(big_answer, filesize64)) {
return Error("file size error", filename);
}
VERBOSE(v_whisper, "Testing available space at eof");
big_answer = file->methods->available64(file);
if (!LL_IS_ZERO(big_answer)) {
return Error("eof available64()", filename);
}
VERBOSE(v_whisper, "Rewinding full file");
big_answer = file->methods->seek64(file, zero_meg, PR_SEEK_SET);
if (!LL_IS_ZERO(big_answer)) {
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, filesize64)) {
return Error("bof available64()", filename);
}
VERBOSE(v_whisper, "Seeking to end of big file");
big_answer = file->methods->seek64(file, filesize64, PR_SEEK_SET);
if (LL_NE(big_answer, filesize64)) {
return Error("eof seek64()", filename);
}
VERBOSE(v_whisper, "Getting info on big file while it's open");
rv = file->methods->fileInfo64(file, &big_info);
if (PR_FAILURE == rv) {
return Error("fileInfo64()", filename);
}
if (v_shout <= verbose) {
PrintInfo(&big_info, filename);
}
VERBOSE(v_whisper, "Closing big file");
rv = file->methods->close(file);
if (PR_FAILURE == rv) {
return Error("close()", filename);
}
VERBOSE(v_whisper, "Getting info on big file after it's closed");
rv = PR_GetFileInfo64(filename, &big_info);
if (PR_FAILURE == rv) {
return Error("fileInfo64()", filename);
}
if (v_shout <= verbose) {
PrintInfo(&big_info, 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 */