summaryrefslogtreecommitdiff
path: root/src/network/networkd-link-bus.c
blob: 1a1524dfb4e317013077e086a7520d27fc3da94e (plain)
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

/***
  This file is part of systemd.

  Copyright 2015 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 "bus-util.h"
#include "strv.h"

#include "networkd.h"
#include "networkd-link.h"

static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState);
static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState);

const sd_bus_vtable link_vtable[] = {
        SD_BUS_VTABLE_START(0),

        SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Link, operstate), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
        SD_BUS_PROPERTY("AdministrativeState", "s", property_get_administrative_state, offsetof(Link, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),

        SD_BUS_VTABLE_END
};

static char *link_bus_path(Link *link) {
        _cleanup_free_ char *ifindex = NULL;
        char *p;
        int r;

        assert(link);
        assert(link->ifindex > 0);

        if (asprintf(&ifindex, "%d", link->ifindex) < 0)
                return NULL;

        r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex, &p);
        if (r < 0)
                return NULL;

        return p;
}

int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
        _cleanup_strv_free_ char **l = NULL;
        Manager *m = userdata;
        Link *link;
        Iterator i;
        int r;

        assert(bus);
        assert(path);
        assert(m);
        assert(nodes);

        HASHMAP_FOREACH(link, m->links, i) {
                char *p;

                p = link_bus_path(link);
                if (!p)
                        return -ENOMEM;

                r = strv_consume(&l, p);
                if (r < 0)
                        return r;
        }

        *nodes = l;
        l = NULL;

        return 1;
}

int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
        _cleanup_free_ char *identifier = NULL;
        Manager *m = userdata;
        Link *link;
        int ifindex, r;

        assert(bus);
        assert(path);
        assert(interface);
        assert(m);
        assert(found);

        r = sd_bus_path_decode(path, "/org/freedesktop/network1/link", &identifier);
        if (r < 0)
                return 0;

        r = safe_atoi(identifier, &ifindex);
        if (r < 0)
                return 0;

        r = link_get(m, ifindex, &link);
        if (r < 0)
                return 0;

        *found = link;

        return 1;
}

int link_send_changed(Link *link, const char *property, ...) {
        _cleanup_free_ char *p = NULL;
        char **l;

        assert(link);
        assert(link->manager);

        if (!link->manager->bus)
                return 0; /* replace with assert when we have kdbus */

        l = strv_from_stdarg_alloca(property);

        p = link_bus_path(link);
        if (!p)
                return -ENOMEM;

        return sd_bus_emit_properties_changed_strv(
                        link->manager->bus,
                        p,
                        "org.freedesktop.network1.Link",
                        l);
}