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
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright (C) 2013 Intel Corporation. All rights reserved.
Copyright (C) 2014 Tom Gundersen
systemd 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 2.1 of the License, or
(at your option) any later version.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "sd-dhcp-server.h"
#include "dhcp-server-internal.h"
sd_dhcp_server *sd_dhcp_server_ref(sd_dhcp_server *server) {
if (server)
assert_se(REFCNT_INC(server->n_ref) >= 2);
return server;
}
sd_dhcp_server *sd_dhcp_server_unref(sd_dhcp_server *server) {
if (server && REFCNT_DEC(server->n_ref) <= 0) {
log_dhcp_server(server, "UNREF");
sd_event_unref(server->event);
free(server);
}
return NULL;
}
int sd_dhcp_server_new(sd_dhcp_server **ret) {
_cleanup_dhcp_server_unref_ sd_dhcp_server *server = NULL;
assert_return(ret, -EINVAL);
server = new0(sd_dhcp_server, 1);
if (!server)
return -ENOMEM;
server->n_ref = REFCNT_INIT;
*ret = server;
server = NULL;
return 0;
}
int sd_dhcp_server_attach_event(sd_dhcp_server *server, sd_event *event, int priority) {
int r;
assert_return(server, -EINVAL);
assert_return(!server->event, -EBUSY);
if (event)
server->event = sd_event_ref(event);
else {
r = sd_event_default(&server->event);
if (r < 0)
return r;
}
server->event_priority = priority;
return 0;
}
int sd_dhcp_server_detach_event(sd_dhcp_server *server) {
assert_return(server, -EINVAL);
server->event = sd_event_unref(server->event);
return 0;
}
sd_event *sd_dhcp_server_get_event(sd_dhcp_server *server) {
assert_return(server, NULL);
return server->event;
}
|
