void
PlfsUnit::truncateTest() {
string path = mountpoint + "/trunctest1";
const char *pathname = path.c_str();
Plfs_fd *fd = NULL;
plfs_error_t ret;
struct stat stbuf;
ssize_t written;
ret = plfs_open(&fd, pathname, O_CREAT | O_RDWR, pid, 0666, NULL);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
ret = plfs_write(fd, "SIMPLE_TRUNCATE_TEST", 21, 0, pid, &written);
CPPUNIT_ASSERT_EQUAL(21, (int)written);
ret = plfs_trunc(fd, pathname, 15, true);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
ret = plfs_getattr(fd, pathname, &stbuf, 1);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
CPPUNIT_ASSERT(stbuf.st_size == 15);
ret = plfs_close(fd, pid, uid, 0, NULL, &ref_count);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
ret = plfs_trunc(NULL, pathname, 5, true);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
ret = plfs_getattr(NULL, pathname, &stbuf, 1);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
CPPUNIT_ASSERT(stbuf.st_size == 5);
ret = plfs_unlink(pathname);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
}
/*
* Use PLFS stat() to return aggregate file size of all objects moved
*/
static IOR_offset_t PLFS_GetFileSize(IOR_param_t * test, MPI_Comm testComm,
char *testFileName)
{
struct stat stat_buf;
IOR_offset_t aggFileSizeFromStat, tmpMin, tmpMax, tmpSum;
plfs_error_t pret;
pret = plfs_getattr(NULL, testFileName, &stat_buf, 1);
PDEBUG(rank,"plfs_getattr %s : %lld\n", testFileName, stat_buf.st_size);
aggFileSizeFromStat = stat_buf.st_size;
if (test->filePerProc == TRUE) {
MPI_CHECK(MPI_Allreduce(&aggFileSizeFromStat, &tmpSum, 1,
MPI_LONG_LONG_INT, MPI_SUM, testComm),
"cannot total data moved");
aggFileSizeFromStat = tmpSum;
} else {
MPI_CHECK(MPI_Allreduce(&aggFileSizeFromStat, &tmpMin, 1,
MPI_LONG_LONG_INT, MPI_MIN, testComm),
"cannot total data moved");
MPI_CHECK(MPI_Allreduce(&aggFileSizeFromStat, &tmpMax, 1,
MPI_LONG_LONG_INT, MPI_MAX, testComm),
"cannot total data moved");
if (tmpMin != tmpMax) {
if (rank == 0) {
WARN("inconsistent file size by different tasks");
}
/* incorrect, but now consistent across tasks */
aggFileSizeFromStat = tmpMin;
}
}
return (aggFileSizeFromStat);
}
void
PlfsUnit::chownTest() {
string path = mountpoint + "/chowntest1";
const char *pathname = path.c_str();
plfs_error_t ret;
ret = plfs_create(pathname, 0666, 0, pid);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
for (uid_t luid = 0; luid < 65536; luid += 1000) {
for (gid_t lgid = 0; lgid < 65536; lgid += 1000) {
struct stat stbuf;
ret = plfs_chown(pathname, luid, lgid);
if (uid != 0) { // not the root user.
CPPUNIT_ASSERT_EQUAL(PLFS_EPERM, ret);
goto unlinkout;
}
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
ret = plfs_getattr(NULL, pathname, &stbuf, 0);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
CPPUNIT_ASSERT_EQUAL(stbuf.st_uid, luid);
CPPUNIT_ASSERT_EQUAL(stbuf.st_gid, lgid);
}
}
ret = plfs_chown(pathname, uid, gid);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
unlinkout:
ret = plfs_unlink(pathname);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
}
