int
main(int argc, char *argv[])
{
int *pidlst;
int numchild = 1; /* Number of children. Default 5 */
int i, fail_count = 0, failed = 0, total = 0;
/* Options */
sprintf(filename,"testdata-6.%ld", syscall(__NR_gettid));
while ((i = getopt(argc, argv, "b:o:i:n:v:f:")) != -1) {
switch(i) {
case 'b':
if ((bufsize = atoi(optarg)) <= 0) {
fprintf(stderr, "bufsize must be > 0\n");
prg_usage();
}
if (bufsize % 4096 != 0) {
fprintf(stderr, "bufsize must be multiple of 4k\n");
prg_usage();
}
break;
case 'o':
if ((offset = atoi(optarg)) <= 0) {
fprintf(stderr, "offset must be > 0\n");
prg_usage();
}
break;
case 'i':
if ((iter = atoi(optarg)) <= 0) {
fprintf(stderr, "iterations must be > 0\n");
prg_usage();
}
break;
case 'n':
if ((numchild = atoi(optarg)) <= 0) {
fprintf(stderr, "no of children must be > 0\n");
prg_usage();
}
break;
case 'v':
if ((nvector = atoi(optarg)) <= 0) {
fprintf(stderr, "vectory array must be > 0\n");
prg_usage();
}
break;
case 'f':
strcpy(filename, optarg);
break;
default:
prg_usage();
}
}
setup();
/* Testblock-1: Read with Direct IO, Write without */
if (forkchldrn(&pidlst, numchild, READ_DIRECT, child_function) < 0) {
failed = TRUE;
fail_count++;
tst_resm (TFAIL, "Read with Direct IO, Write without");
}
else {
if (waitchldrn(&pidlst, numchild) < 0) {
failed = TRUE;
fail_count++;
tst_resm (TFAIL, "Read with Direct IO, Write without");
}
else
tst_resm (TPASS, "Read with Direct IO, Write without");
}
unlink(filename);
free(pidlst);
total++;
/* Testblock-2: Write with Direct IO, Read without */
if (forkchldrn(&pidlst, numchild, WRITE_DIRECT, child_function) < 0) {
failed = TRUE;
fail_count++;
tst_resm (TFAIL, "Write with Direct IO, Read without");
}
else {
if (waitchldrn(&pidlst, numchild) < 0) {
failed = TRUE;
fail_count++;
tst_resm (TFAIL, "Write with Direct IO, Read without");
}
else
tst_resm (TPASS, "Write with Direct IO, Read without");
}
unlink(filename);
free(pidlst);
total++;
/* Testblock-3: Read, Write with Direct IO. */
if (forkchldrn(&pidlst, numchild, RDWR_DIRECT, child_function) < 0) {
failed = TRUE;
fail_count++;
tst_resm (TFAIL, "Read, Write with Direct IO");
}
else {
if (waitchldrn(&pidlst, numchild) < 0) {
failed = TRUE;
fail_count++;
tst_resm (TFAIL, "Read, Write with Direct IO");
}
else
tst_resm (TPASS, "Read, Write with Direct IO");
}
unlink(filename);
free(pidlst);
total++;
if (failed)
tst_resm(TINFO, "%d/%d testblocks failed",
fail_count, total);
else
tst_resm(TINFO, "%d testblocks %d iterations with %d children completed",
total, iter, numchild);
cleanup();
tst_exit();
}
/* 校验读出的与写入的是否致 */
int main(int argc, char *argv[])
{
int bufsize = BUFSIZE; /* Buffer size. Default 8k */
int numblks = NBLKS; /* Number of blocks. Default 20 */
char infile[LEN]; /* Input file. Default "infile" */
char outfile[LEN]; /* Output file. Default "outfile" */
int fd, fd1, fd2;
int i, n, offset;
char *buf;
/* Options */
strcpy(infile, "infile"); /* Default input file */
strcpy(outfile, "outfile"); /* Default outfile file */
while ((i = getopt(argc, argv, "b:n:i:o:")) != -1) {
switch (i) {
case 'b':
if ((bufsize = atoi(optarg)) <= 0) {
fprintf(stderr, "bufsize must be > 0\n");
prg_usage();
}
if (bufsize % 4096 != 0) {
fprintf(stderr,
"bufsize must be multiple of 4k\n");
prg_usage();
}
break;
case 'n':
if ((numblks = atoi(optarg)) <= 0) {
fprintf(stderr, "numblks must be > 0\n");
prg_usage();
}
break;
case 'i':
strcpy(infile, optarg);
break;
case 'o':
strcpy(outfile, optarg);
break;
default:
prg_usage();
}
}
/* 检测系统是否支持O_DIRECT标志 */
/* Test for filesystem support of O_DIRECT */
if ((fd = open(infile, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
tst_brkm(TCONF,
NULL,
"O_DIRECT is not supported by this filesystem.");
} else {
close(fd);
}
/* 创建文件1 */
/* Open files */
if ((fd1 = open(infile, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
tst_brkm(TFAIL, NULL, "open infile failed: %s",
strerror(errno));
}
/* 创建文件2 */
if ((fd2 = open(outfile, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
close(fd1);
unlink(infile);
tst_brkm(TFAIL, NULL, "open outfile failed: %s",
strerror(errno));
}
/* Allocate for buf, Create input file */
if ((buf = valloc(bufsize)) == 0) {
tst_resm(TFAIL, "valloc() failed: %s", strerror(errno));
fail_clean(fd1, fd2, infile, outfile);
}
/* 将数据写入到文件1 */
for (i = 0; i < numblks; i++) {
fillbuf(buf, bufsize, (char)(i % 256));
if (write(fd1, buf, bufsize) < 0) {
tst_resm(TFAIL, "write infile failed: %s",
strerror(errno));
fail_clean(fd1, fd2, infile, outfile);
}
}
/* Copy infile to outfile using direct read and direct write */
offset = 0;
if (lseek(fd1, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek(infd) failed: %s", strerror(errno));
fail_clean(fd1, fd2, infile, outfile);
}
/* 从文件1读取数据，并写入文件2 */
while ((n = read(fd1, buf, bufsize)) > 0) {
if (lseek(fd2, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek(outfd) failed: %s",
strerror(errno));
fail_clean(fd1, fd2, infile, outfile);
}
if (write(fd2, buf, n) < n) {
tst_resm(TFAIL, "write(outfd) failed: %s",
strerror(errno));
fail_clean(fd1, fd2, infile, outfile);
}
offset += n;
if (lseek(fd1, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek(infd) failed: %s",
strerror(errno));
fail_clean(fd1, fd2, infile, outfile);
}
}
/* 检测两文件的内容是否一致 */
/* Verify */
if (filecmp(infile, outfile) != 0) {
tst_resm(TFAIL, "file compare failed for %s and %s",
infile, outfile);
fail_clean(fd1, fd2, infile, outfile);
}
/* Cleanup */
close(fd1);
close(fd2);
unlink(infile);
unlink(outfile);
tst_resm(TPASS, "Test passed");
tst_exit();
}
int main(int argc, char *argv[])
{
int i, action, fd_r, fd_w;
int fail_count = 0, total = 0, failed = 0;
/* Options */
sprintf(filename, "testdata-5.%ld", syscall(__NR_gettid));
while ((i = getopt(argc, argv, "b:o:i:v:f:")) != -1) {
switch (i) {
case 'b':
if ((bufsize = atoi(optarg)) <= 0) {
fprintf(stderr, "bufsize must be > 0");
prg_usage();
}
if (bufsize % 4096 != 0) {
fprintf(stderr, "bufsize must be > 0");
prg_usage();
}
break;
case 'o':
if ((offset = atoll(optarg)) <= 0) {
fprintf(stderr, "offset must be > 0");
prg_usage();
}
break;
case 'i':
if ((iter = atoi(optarg)) <= 0) {
fprintf(stderr, "iterations must be > 0");
prg_usage();
}
break;
case 'v':
if ((nvector = atoi(optarg)) <= 0) {
fprintf(stderr, "vector array must be > 0");
prg_usage();
}
break;
case 'f':
strcpy(filename, optarg);
break;
default:
prg_usage();
}
}
setup();
/* Testblock-1: Read with Direct IO, Write without */
action = READ_DIRECT;
if ((fd_w = open(filename, O_WRONLY | O_CREAT, 0666)) < 0) {
tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
filename, strerror(errno));
}
if ((fd_r = open64(filename, O_DIRECT | O_RDONLY | O_CREAT, 0666)) < 0) {
tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
filename, strerror(errno));
}
if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
failed = TRUE;
fail_count++;
tst_resm(TFAIL, "Read with Direct IO, Write without");
} else
tst_resm(TPASS, "Read with Direct IO, Write without");
unlink(filename);
close(fd_r);
close(fd_w);
total++;
/* Testblock-2: Write with Direct IO, Read without */
action = WRITE_DIRECT;
if ((fd_w = open(filename, O_DIRECT | O_WRONLY | O_CREAT, 0666)) < 0) {
tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
filename, strerror(errno));
}
if ((fd_r = open64(filename, O_RDONLY | O_CREAT, 0666)) < 0) {
tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
filename, strerror(errno));
}
if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
failed = TRUE;
fail_count++;
tst_resm(TFAIL, "Write with Direct IO, Read without");
} else
tst_resm(TPASS, "Write with Direct IO, Read without");
unlink(filename);
close(fd_r);
close(fd_w);
total++;
/* Testblock-3: Read, Write with Direct IO */
action = RDWR_DIRECT;
if ((fd_w = open(filename, O_DIRECT | O_WRONLY | O_CREAT, 0666)) < 0) {
tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
filename, strerror(errno));
}
if ((fd_r = open64(filename, O_DIRECT | O_RDONLY | O_CREAT, 0666)) < 0) {
tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
filename, strerror(errno));
}
if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
failed = TRUE;
fail_count++;
tst_resm(TFAIL, "Read, Write with Direct IO");
} else
tst_resm(TPASS, "Read, Write with Direct IO");
unlink(filename);
close(fd_r);
close(fd_w);
total++;
if (failed)
tst_resm(TINFO, "%d/%d testblocks failed", fail_count, total);
else
tst_resm(TINFO,
"%d testblocks %d iterations with %d vector array completed",
total, iter, nvector);
cleanup();
tst_exit();
}
int main(int argc, char *argv[])
{
int fblocks = 1; /* Iterations. Default 1 */
int bufsize = BUFSIZE;
int count, ret;
int offset;
int fd, newfd;
int i, l_fail = 0, fail_count = 0, total = 0;
int failed = 0;
int shmsz = MMAP_GRANULARITY;
int pagemask = ~(sysconf(_SC_PAGE_SIZE) - 1);
char *buf0, *buf1, *buf2;
caddr_t shm_base;
/* Options */
while ((i = getopt(argc, argv, "b:")) != -1) {
switch (i) {
case 'b':
if ((fblocks = atoi(optarg)) <= 0) {
fprintf(stderr, "fblocks must be > 0\n");
prg_usage();
}
break;
default:
prg_usage();
}
}
setup();
/* Open file and fill, allocate for buffer */
if ((fd = open(filename, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
tst_brkm(TBROK, cleanup, "open failed for %s: %s",
filename, strerror(errno));
}
if ((buf0 = valloc(bufsize)) == NULL) {
tst_brkm(TBROK, cleanup, "valloc() buf0 failed: %s",
strerror(errno));
}
for (i = 1; i < fblocks; i++) {
fillbuf(buf0, bufsize, (char)i);
if (write(fd, buf0, bufsize) < 0) {
tst_brkm(TBROK, cleanup, "write failed for %s: %s",
filename, strerror(errno));
}
}
close(fd);
if ((buf2 = valloc(bufsize)) == NULL) {
tst_brkm(TBROK, cleanup, "valloc() buf2 failed: %s",
strerror(errno));
}
if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
tst_brkm(TBROK, cleanup, "open failed for %s: %s",
filename, strerror(errno));
}
/* Test-1: Negative Offset */
offset = -1;
count = bufsize;
errno = 0;
ret = lseek(fd, offset, SEEK_SET);
if ((ret >= 0) || (errno != EINVAL)) {
tst_resm(TFAIL, "lseek allows negative offset. returns %d:%s",
ret, strerror(errno));
failed = TRUE;
fail_count++;
} else
tst_resm(TPASS, "Negative Offset");
total++;
/* Test-2: Removed */
tst_resm(TPASS, "removed");
/* Test-3: Odd count of read and write */
offset = 0;
count = 1;
lseek(fd, 0, SEEK_SET);
if (write(fd, buf2, 4096) == -1) {
tst_resm(TFAIL, "can't write to file %d", ret);
}
switch (fs_type) {
case TST_NFS_MAGIC:
case TST_BTRFS_MAGIC:
tst_resm(TCONF, "%s supports odd count IO",
tst_fs_type_name(fs_type));
break;
default:
ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count");
testcheck_end(ret, &failed, &fail_count,
"Odd count of read and write");
}
total++;
/* Test-4: Read beyond the file size */
offset = bufsize * (fblocks + 10);
count = bufsize;
if (lseek(fd, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
failed = TRUE;
fail_count++;
tst_resm(TFAIL, "Read beyond the file size");
} else {
errno = 0;
ret = read(fd, buf2, count);
if (ret > 0 || (ret < 0 && errno != EINVAL)) {
tst_resm(TFAIL,
"allows read beyond file size. returns %d: %s",
ret, strerror(errno));
failed = TRUE;
fail_count++;
} else
tst_resm(TPASS, "Read beyond the file size");
}
total++;
/* Test-5: Invalid file descriptor */
offset = 4096;
count = bufsize;
newfd = -1;
ret = runtest_f(newfd, buf2, offset, count, EBADF, 5, "negative fd");
testcheck_end(ret, &failed, &fail_count, "Invalid file descriptor");
total++;
/* Test-6: Out of range file descriptor */
count = bufsize;
offset = 4096;
if ((newfd = getdtablesize()) < 0) {
tst_resm(TFAIL, "getdtablesize() failed: %s", strerror(errno));
failed = TRUE;
tst_resm(TFAIL, "Out of range file descriptor");
} else {
ret = runtest_f(newfd, buf2, offset, count, EBADF, 6,
"out of range fd");
testcheck_end(ret, &failed, &fail_count,
"Out of range file descriptor");
}
close(newfd);
total++;
/* Test-7: Closed file descriptor */
offset = 4096;
count = bufsize;
SAFE_CLOSE(cleanup, fd);
ret = runtest_f(fd, buf2, offset, count, EBADF, 7, "closed fd");
testcheck_end(ret, &failed, &fail_count, "Closed file descriptor");
total++;
/* Test-9: removed */
tst_resm(TPASS, "removed");
/* Test-9: Character device (/dev/null) read, write */
offset = 0;
count = bufsize;
if ((newfd = open("/dev/null", O_DIRECT | O_RDWR)) < 0) {
tst_resm(TCONF, "Direct I/O on /dev/null is not supported");
} else {
ret = runtest_s(newfd, buf2, offset, count, 9, "/dev/null");
testcheck_end(ret, &failed, &fail_count,
"character device read, write");
}
close(newfd);
total++;
/* Test-10: read, write to a mmaped file */
shm_base = (char *)(((long)sbrk(0) + (shmsz - 1)) & ~(shmsz - 1));
if (shm_base == NULL) {
tst_brkm(TBROK, cleanup, "sbrk failed: %s", strerror(errno));
}
offset = 4096;
count = bufsize;
if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
tst_brkm(TBROK, cleanup, "can't open %s: %s",
filename, strerror(errno));
}
shm_base = mmap(shm_base, 0x100000, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_FIXED, fd, 0);
if (shm_base == (caddr_t) - 1) {
tst_brkm(TBROK, cleanup, "can't mmap file: %s",
strerror(errno));
}
ret = runtest_s(fd, buf2, offset, count, 10, "mmapped file");
testcheck_end(ret, &failed, &fail_count,
"read, write to a mmaped file");
total++;
/* Test-11: read, write to an unmaped file with munmap */
if ((ret = munmap(shm_base, 0x100000)) < 0) {
tst_brkm(TBROK, cleanup, "can't unmap file: %s",
strerror(errno));
}
ret = runtest_s(fd, buf2, offset, count, 11, "unmapped file");
testcheck_end(ret, &failed, &fail_count,
"read, write to an unmapped file");
close(fd);
total++;
/* Test-12: read from file not open for reading */
offset = 4096;
count = bufsize;
if ((fd = open(filename, O_DIRECT | O_WRONLY)) < 0) {
tst_brkm(TBROK, cleanup, "can't open %s: %s",
filename, strerror(errno));
}
if (lseek(fd, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
failed = TRUE;
fail_count++;
} else {
errno = 0;
ret = read(fd, buf2, count);
if (ret >= 0 || errno != EBADF) {
tst_resm(TFAIL,
"allows read on file not open for reading. returns %d: %s",
ret, strerror(errno));
failed = TRUE;
fail_count++;
} else
tst_resm(TPASS, "read from file not open for reading");
}
close(fd);
total++;
/* Test-13: write to file not open for writing */
offset = 4096;
count = bufsize;
if ((fd = open(filename, O_DIRECT | O_RDONLY)) < 0) {
tst_brkm(TBROK, cleanup, "can't open %s: %s",
filename, strerror(errno));
}
if (lseek(fd, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
failed = TRUE;
fail_count++;
} else {
errno = 0;
ret = write(fd, buf2, count);
if (ret >= 0 || errno != EBADF) {
tst_resm(TFAIL,
"allows write on file not open for writing. returns %d: %s",
ret, strerror(errno));
failed = TRUE;
fail_count++;
} else
tst_resm(TPASS, "write to file not open for writing");
}
close(fd);
total++;
/* Test-14: read, write with non-aligned buffer */
offset = 4096;
count = bufsize;
if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
tst_brkm(TBROK, cleanup, "can't open %s: %s",
filename, strerror(errno));
}
switch (fs_type) {
case TST_NFS_MAGIC:
case TST_BTRFS_MAGIC:
tst_resm(TCONF, "%s supports non-aligned buffer",
tst_fs_type_name(fs_type));
break;
default:
ret = runtest_f(fd, buf2 + 1, offset, count, EINVAL, 14,
" nonaligned buf");
testcheck_end(ret, &failed, &fail_count,
"read, write with non-aligned buffer");
}
close(fd);
total++;
/* Test-15: read, write buffer in read-only space */
offset = 4096;
count = bufsize;
l_fail = 0;
if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
tst_brkm(TBROK, cleanup, "can't open %s: %s",
filename, strerror(errno));
}
if (lseek(fd, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek before read failed: %s",
strerror(errno));
l_fail = TRUE;
} else {
errno = 0;
ret = read(fd, (char *)((ulong) ADDRESS_OF_MAIN & pagemask),
count);
if (ret >= 0 || errno != EFAULT) {
tst_resm(TFAIL,
"read to read-only space. returns %d: %s", ret,
strerror(errno));
l_fail = TRUE;
}
}
if (lseek(fd, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek before write failed: %s",
strerror(errno));
l_fail = TRUE;
} else {
ret = write(fd, (char *)((ulong) ADDRESS_OF_MAIN & pagemask),
count);
if (ret < 0) {
tst_resm(TFAIL,
"write to read-only space. returns %d: %s",
ret, strerror(errno));
l_fail = TRUE;
}
}
testcheck_end(l_fail, &failed, &fail_count,
"read, write buffer in read-only space");
close(fd);
total++;
/* Test-16: read, write in non-existant space */
offset = 4096;
count = bufsize;
if ((buf1 =
(char *)(((long)sbrk(0) + (shmsz - 1)) & ~(shmsz - 1))) == NULL) {
tst_brkm(TBROK | TERRNO, cleanup, "sbrk failed");
}
if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
tst_brkm(TBROK | TERRNO, cleanup,
"open(%s, O_DIRECT|O_RDWR) failed", filename);
}
ret = runtest_f(fd, buf1, offset, count, EFAULT, 16,
" nonexistant space");
testcheck_end(ret, &failed, &fail_count,
"read, write in non-existant space");
total++;
close(fd);
/* Test-17: read, write for file with O_SYNC */
offset = 4096;
count = bufsize;
if ((fd = open(filename, O_DIRECT | O_RDWR | O_SYNC)) < 0) {
tst_brkm(TBROK, cleanup,
"open(%s, O_DIRECT|O_RDWR|O_SYNC failed)", filename);
}
ret = runtest_s(fd, buf2, offset, count, 17, "opened with O_SYNC");
testcheck_end(ret, &failed, &fail_count,
"read, write for file with O_SYNC");
total++;
close(fd);
unlink(filename);
if (failed)
tst_resm(TINFO, "%d/%d test blocks failed", fail_count, total);
else
tst_resm(TINFO, "%d testblocks completed", total);
cleanup();
tst_exit();
}