/*
* runtest: write the data to the file. Read the data from the file and compare.
* For each iteration, write data starting at offse+iter*bufsize
* location in the file and read from there.
*/
int
runtest(int fd_r, int fd_w, int childnum, int action)
{
off64_t seekoff;
int i, bufsize = BUFSIZE;
struct iovec *iov1, *iov2, *iovp;
/* Allocate for buffers and data pointers */
seekoff = offset+bufsize * childnum;
if ((iov1 = (struct iovec *)valloc(sizeof(struct iovec)*nvector)) == NULL) {
tst_resm(TFAIL, "valloc buf1 failed: %s", strerror(errno));
return(-1);
}
if ((iov2 = (struct iovec *)valloc(sizeof(struct iovec)*nvector)) == NULL) {
tst_resm(TFAIL, "valloc buf2 failed: %s", strerror(errno));
return(-1);
}
for (i = 0, iovp = iov1; i < nvector; iovp++, i++) {
if ((iovp->iov_base = valloc(bufsize)) == NULL) {
tst_resm(TFAIL, "valloc for iovp->iov_base: %s",
strerror(errno));
return(-1);
}
iovp->iov_len = bufsize;
}
for (i = 0, iovp = iov2; i < nvector; iovp++, i++) {
if ((iovp->iov_base = valloc(bufsize)) == NULL) {
tst_resm(TFAIL, "valloc, iov2 for iovp->iov_base: %s",
strerror(errno));
return(-1);
}
iovp->iov_len = bufsize;
}
/* seek, write, read and verify */
for (i = 0; i < iter; i++) {
/*
fillbuf(buf1, bufsize, childnum+i);
*/
vfillbuf(iov1, nvector, childnum+i);
if (lseek(fd_w, seekoff, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek before write failed: %s",
strerror(errno));
return(-1);
}
if (write(fd_w, iov1, bufsize) < bufsize) {
tst_resm(TFAIL, "write failed: %s", strerror(errno));
return(-1);
}
if (action == READ_DIRECT) {
/* Make sure data is on to disk before read */
if (fsync(fd_w) < 0) {
tst_resm(TFAIL, "fsync failed: %s",
strerror(errno));
return(-1);
}
}
if (lseek(fd_r, seekoff, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek before read failed: %s",
strerror(errno));
return(-1);
}
if (read(fd_r, iov2, bufsize) < bufsize) {
tst_resm(TFAIL, "read failed: %s", strerror(errno));
return(-1);
}
if (bufcmp((char*)iov1, (char*)iov2, bufsize) != 0) {
tst_resm(TFAIL, "comparsion failed. Child=%d offset=%d",
childnum, (int)seekoff);
return(-1);
}
}
return 0;
}
/*
* runtest: Write the data in vector array to the file. Read the data
* from the file into another vectory array and verify. Repeat the test.
*/
int runtest(int fd_r, int fd_w, int iter, off64_t offset, int action)
{
int i;
struct iovec *iov1, *iov2, *iovp;
/* Allocate for buffers and data pointers */
if ((iov1 =
(struct iovec *)valloc(sizeof(struct iovec) * nvector)) == NULL) {
tst_resm(TFAIL, "valloc() buf1 failed: %s", strerror(errno));
return (-1);
}
if ((iov2 =
(struct iovec *)valloc(sizeof(struct iovec) * nvector)) == NULL) {
tst_resm(TFAIL, "valloc buf2 failed: %s", strerror(errno));
return (-1);
}
for (i = 0, iovp = iov1; i < nvector; iovp++, i++) {
if ((iovp->iov_base = valloc(bufsize)) == NULL) {
tst_resm(TFAIL, "valloc for iovp->iov_base: %s",
strerror(errno));
return (-1);
}
iovp->iov_len = bufsize;
}
for (i = 0, iovp = iov2; i < nvector; iovp++, i++) {
if ((iovp->iov_base = valloc(bufsize)) == NULL) {
tst_resm(TFAIL, "valloc, iov2 for iovp->iov_base: %s",
strerror(errno));
return (-1);
}
iovp->iov_len = bufsize;
}
/* Test */
for (i = 0; i < iter; i++) {
vfillbuf(iov1, nvector, i);
vfillbuf(iov2, nvector, i + 1);
if (lseek(fd_w, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek before writev failed: %s",
strerror(errno));
return (-1);
}
if (writev(fd_w, iov1, nvector) < 0) {
tst_resm(TFAIL, "writev failed: %s", strerror(errno));
return (-1);
}
if (lseek(fd_r, offset, SEEK_SET) < 0) {
tst_resm(TFAIL, "lseek before readv failed: %s",
strerror(errno));
return (-1);
}
if (readv(fd_r, iov2, nvector) < 0) {
tst_resm(TFAIL, "readv failed: %s", strerror(errno));
return (-1);
}
if (vbufcmp(iov1, iov2, nvector) != 0) {
tst_resm(TFAIL, "readv/writev comparision failed");
return (-1);
}
}
/* Cleanup */
for (i = 0, iovp = iov1; i < nvector; iovp++, i++) {
free(iovp->iov_base);
}
for (i = 0, iovp = iov2; i < nvector; iovp++, i++) {
free(iovp->iov_base);
}
free(iov1);
free(iov2);
return 0;
}
