void
PlfsUnit::readWriteTest() {
string path = mountpoint + "/readwrite1";
const char *pathname = path.c_str();
Plfs_fd *fd = NULL;
plfs_error_t ret;
ssize_t written;
#ifdef NEGATIVE_TEST_CASES
ret = plfs_open(&fd, pathname, O_CREAT | O_RDONLY, pid, 0666, NULL);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
CPPUNIT_ASSERT(fd);
ret = plfs_write(fd, "HELLO WORLD.", 13, 0, pid, &written);
CPPUNIT_ASSERT_EQUAL(PLFS_EBADF, ret);
ret = plfs_close(fd, pid, uid, 0, NULL, &ref_count);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
fd = NULL;
#endif
ret = plfs_open(&fd, pathname, O_CREAT | O_RDWR, pid, 0666, NULL);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
CPPUNIT_ASSERT(fd);
for (int i = 0; i < 10; i++) {
char rbuf[13];
for (pid_t fpid = 0; fpid < 10; fpid ++) {
off_t offset=rand();
ret = plfs_write(fd, "HELLO WORLD.", 13, offset, fpid, &written);
CPPUNIT_ASSERT_EQUAL(13, (int)written);
ret = plfs_sync(fd);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
ret = plfs_read(fd, rbuf, 13, offset, &written);
CPPUNIT_ASSERT_EQUAL(13, (int)written);
CPPUNIT_ASSERT(strcmp(rbuf, "HELLO WORLD.") == 0);
}
}
ret = plfs_close(fd, pid, uid, 0, NULL, &ref_count);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
fd = NULL;
for (int i = 0; i < 10; i++) {
char rbuf[13];
for (pid_t fpid = 0; fpid < 10; fpid ++) {
off_t offset=rand();
ret = plfs_open(&fd, pathname, O_CREAT | O_RDWR, fpid, 0666, NULL);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
CPPUNIT_ASSERT(fd);
ret = plfs_write(fd, "HELLO WORLD.", 13, offset, fpid, &written);
CPPUNIT_ASSERT_EQUAL(13, (int)written);
ret = plfs_sync(fd);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
ret = plfs_read(fd, rbuf, 13, offset, &written);
CPPUNIT_ASSERT_EQUAL(13, (int)written);
CPPUNIT_ASSERT(strcmp(rbuf, "HELLO WORLD.") == 0);
ret = plfs_close(fd, fpid, uid, 0, NULL, &ref_count);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
fd = NULL;
}
}
ret = plfs_unlink(pathname);
CPPUNIT_ASSERT_EQUAL(0, (int)ret);
}
/*
* Perform fsync().
*/
static void PLFS_Fsync(void *fd, IOR_param_t * param)
{
plfs_error_t pret;
Plfs_fd *pfd = (Plfs_fd*)fd;
pret = plfs_sync(pfd);
PDEBUG(rank,"plfs_sync: %d",pret);
PLFS_DIE_ON_ERROR("plfs_sync",pret);
}
int
plfs_getattr(Plfs_fd *fd, const char *path, struct stat *st, int size_only)
{
debug_enter(__FUNCTION__,path);
int ret = 0;
if (fd) {
ret = plfs_sync(fd); // sync before attr
if (ret == 0) {
ret = fd->getattr(path, st, size_only);
}
} else {
LogicalFileSystem *logicalfs = plfs_get_logical_fs(path);
if (logicalfs == NULL) {
ret = -EINVAL;
}else{
ret = logicalfs->getattr(path, st, size_only);
}
}
debug_exit(__FUNCTION__,path,ret);
return ret;
}
