1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/* 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 nbd_{set,get}_socket_activation_name API. */
#undef NDEBUG
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <assert.h>
#include <libnbd.h>
#include "requires.h"
#define DEBUG_FILE "socket-activation-name.out"
#define NAME "hellomagicname"
int
main (int argc, char *argv[])
{
struct nbd_handle *nbd;
char *r;
/* This requires nbdkit >= 1.48 (actually 1.47.5) which prints the
* socket activation name in debugging output.
*/
requires (NBDKIT " --version");
requires ("minor=$( " NBDKIT " --dump-config |\n"
" grep ^version_minor | cut -d= -f2 )\n"
"test $minor -ge 48");
nbd = nbd_create ();
if (nbd == NULL) {
fprintf (stderr, "%s\n", nbd_get_error ());
exit (EXIT_FAILURE);
}
/* Check firstly that it defaults to empty string. */
r = nbd_get_socket_activation_name (nbd);
assert (r != NULL);
assert (strcmp (r, "") == 0);
free (r);
/* Check we can set it to something and read that back. */
assert (nbd_set_socket_activation_name (nbd, NAME) == 0);
r = nbd_get_socket_activation_name (nbd);
assert (r != NULL);
assert (strcmp (r, NAME) == 0);
free (r);
/* Run external nbdkit. Capture the debug output of nbdkit, hence
* the journey through the shell.
*/
unlink (DEBUG_FILE);
char *cmd[] = {
"sh", "-c",
"exec 2> " DEBUG_FILE "\n"
"exec " NBDKIT " --exit-with-parent -v null 1024\n",
NULL
};
/* Run external nbdkit. */
if (nbd_connect_systemd_socket_activation (nbd, cmd) == -1) {
fprintf (stderr, "%s\n", nbd_get_error ());
exit (EXIT_FAILURE);
}
assert (nbd_get_size (nbd) == 1024);
nbd_close (nbd);
/* Check the name appears in the output. */
assert (system ("grep 'debug.*" NAME "' " DEBUG_FILE) == 0);
unlink (DEBUG_FILE);
exit (EXIT_SUCCESS);
}
|
