Npfcall*
diod_readdir(Npfid *fid, u64 offset, u32 count, Npreq *req)
{
int n;
Fid *f = fid->aux;
Npfcall *ret = NULL;
if (!(ret = np_create_rreaddir (count))) {
np_uerror (ENOMEM);
goto error;
}
n = _read_dir_linux (f, ret->u.rreaddir.data, offset, count);
if (np_rerror ()) {
free (ret);
ret = NULL;
} else
np_finalize_rreaddir (ret, n);
return ret;
error:
errn (np_rerror (), "diod_readdir %s@%s:%s",
fid->user->uname, np_conn_get_client_id (fid->conn), f->path);
if (ret)
free (ret);
return NULL;
}
static void
test_rreaddir (void)
{
Npfcall *fc, *fc2;
int n = 0, len = 256;
struct p9_qid qid[3] = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } }, qid2[3];
char *name[3] = { "abc", "def", "ghi" }, name2[3][128];
u64 offset;
u8 type;
if (!(fc = np_create_rreaddir (len)))
msg_exit ("out of memory");
n += np_serialize_p9dirent (&qid[0], 0, 1, name[0],
fc->u.rreaddir.data + n, len - n);
n += np_serialize_p9dirent (&qid[1], 50, 2, name[1],
fc->u.rreaddir.data + n, len - n);
n += np_serialize_p9dirent (&qid[2], 100, 3, name[2],
fc->u.rreaddir.data + n, len - n);
assert (n < len);
np_finalize_rreaddir (fc, n);
fc2 = _rcv_buf (fc, P9_RREADDIR, __FUNCTION__);
assert (fc->u.rreaddir.count == fc2->u.rreaddir.count);
n = 0;
n += np_deserialize_p9dirent (&qid2[0], &offset, &type, name2[0], 128,
fc2->u.rreaddir.data + n, fc2->u.rreaddir.count - n);
assert (offset == 0);
assert (type == 1);
assert (strcmp (name2[0], name[0]) == 0);
n += np_deserialize_p9dirent (&qid2[1], &offset, &type, name2[1], 128,
fc2->u.rreaddir.data + n, fc2->u.rreaddir.count - n);
assert (offset == 50);
assert (type == 2);
assert (strcmp (name2[1], name[1]) == 0);
n += np_deserialize_p9dirent (&qid2[2], &offset, &type, name2[2], 128,
fc2->u.rreaddir.data + n, fc2->u.rreaddir.count - n);
assert (offset == 100);
assert (type == 3);
assert (strcmp (name2[2], name[2]) == 0);
assert (n == fc2->u.rreaddir.count);
free (fc);
free (fc2);
}
