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/* NBD client library in userspace
* Copyright Red Hat
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Test behavior of nbd_opt_abort. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include <inttypes.h>
#include <string.h>
#include <errno.h>
#include <libnbd.h>
int
main (int argc, char *argv[])
{
struct nbd_handle *nbd;
int64_t r;
const char *s;
char *args[] = { NBDKIT, "-s", "--exit-with-parent", "-v", "null", NULL };
/* Get into negotiating state. */
nbd = nbd_create ();
if (nbd == NULL ||
nbd_set_opt_mode (nbd, true) == -1 ||
nbd_connect_command (nbd, args) == -1) {
fprintf (stderr, "%s\n", nbd_get_error ());
exit (EXIT_FAILURE);
}
/* Protocol should be "newstyle-fixed", with structured replies already
* negotiated.
*/
if (nbd_aio_is_negotiating (nbd) != true) {
fprintf (stderr, "unexpected state after connection\n");
exit (EXIT_FAILURE);
}
s = nbd_get_protocol (nbd);
if (strcmp (s, "newstyle-fixed") != 0) {
fprintf (stderr,
"incorrect protocol \"%s\", expected \"newstyle-fixed\"\n", s);
exit (EXIT_FAILURE);
}
if ((r = nbd_get_structured_replies_negotiated (nbd)) != 1) {
fprintf (stderr,
"incorrect structured replies %" PRId64 ", expected 1\n", r);
exit (EXIT_FAILURE);
}
/* Quitting negotiation should be graceful. */
if (nbd_opt_abort (nbd) == -1) {
fprintf (stderr, "%s\n", nbd_get_error ());
exit (EXIT_FAILURE);
}
if (nbd_aio_is_closed (nbd) != true) {
fprintf (stderr, "unexpected state after abort\n");
exit (EXIT_FAILURE);
}
/* As negotiation never finished, we have no size. */
if ((r = nbd_get_size (nbd)) != -1) {
fprintf (stderr, "%s: test failed: incorrect size, "
"actual %" PRIi64 ", expected -1",
argv[0], r);
exit (EXIT_FAILURE);
}
if ((r = nbd_get_errno ()) != EINVAL) {
fprintf (stderr, "%s: test failed: unexpected errno, "
"actual %" PRIi64 ", expected %d EINVAL",
argv[0], r, EINVAL);
exit (EXIT_FAILURE);
}
nbd_close (nbd);
exit (EXIT_SUCCESS);
}
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