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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
e331e246 TG |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2015 Tom Gundersen | |
e331e246 TG |
6 | ***/ |
7 | ||
b5efdb8a | 8 | #include "alloc-util.h" |
cf0fbc49 | 9 | #include "bus-util.h" |
e331e246 | 10 | #include "networkd-link.h" |
23f53b99 | 11 | #include "networkd-manager.h" |
6bedfcbb | 12 | #include "parse-util.h" |
cf0fbc49 | 13 | #include "strv.h" |
e331e246 TG |
14 | |
15 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState); | |
16 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState); | |
17 | ||
18 | const sd_bus_vtable link_vtable[] = { | |
19 | SD_BUS_VTABLE_START(0), | |
20 | ||
21 | SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Link, operstate), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
22 | SD_BUS_PROPERTY("AdministrativeState", "s", property_get_administrative_state, offsetof(Link, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
23 | ||
24 | SD_BUS_VTABLE_END | |
25 | }; | |
26 | ||
27 | static char *link_bus_path(Link *link) { | |
c8f5edea | 28 | _cleanup_free_ char *ifindex = NULL; |
e331e246 | 29 | char *p; |
c8f5edea | 30 | int r; |
e331e246 TG |
31 | |
32 | assert(link); | |
33 | assert(link->ifindex > 0); | |
34 | ||
c8f5edea TG |
35 | if (asprintf(&ifindex, "%d", link->ifindex) < 0) |
36 | return NULL; | |
37 | ||
38 | r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex, &p); | |
39 | if (r < 0) | |
02f50053 | 40 | return NULL; |
e331e246 TG |
41 | |
42 | return p; | |
43 | } | |
44 | ||
45 | int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
46 | _cleanup_strv_free_ char **l = NULL; | |
47 | Manager *m = userdata; | |
fdb90ac6 | 48 | unsigned c = 0; |
e331e246 TG |
49 | Link *link; |
50 | Iterator i; | |
e331e246 TG |
51 | |
52 | assert(bus); | |
53 | assert(path); | |
54 | assert(m); | |
55 | assert(nodes); | |
56 | ||
fdb90ac6 LP |
57 | l = new0(char*, hashmap_size(m->links) + 1); |
58 | if (!l) | |
59 | return -ENOMEM; | |
60 | ||
e331e246 TG |
61 | HASHMAP_FOREACH(link, m->links, i) { |
62 | char *p; | |
63 | ||
64 | p = link_bus_path(link); | |
65 | if (!p) | |
66 | return -ENOMEM; | |
67 | ||
fdb90ac6 | 68 | l[c++] = p; |
e331e246 TG |
69 | } |
70 | ||
fdb90ac6 | 71 | l[c] = NULL; |
ae2a15bc | 72 | *nodes = TAKE_PTR(l); |
e331e246 TG |
73 | |
74 | return 1; | |
75 | } | |
76 | ||
77 | int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
c8f5edea | 78 | _cleanup_free_ char *identifier = NULL; |
e331e246 TG |
79 | Manager *m = userdata; |
80 | Link *link; | |
81 | int ifindex, r; | |
82 | ||
83 | assert(bus); | |
84 | assert(path); | |
85 | assert(interface); | |
86 | assert(m); | |
87 | assert(found); | |
88 | ||
c8f5edea | 89 | r = sd_bus_path_decode(path, "/org/freedesktop/network1/link", &identifier); |
a7f6e7e8 | 90 | if (r <= 0) |
c8f5edea TG |
91 | return 0; |
92 | ||
6ad623a3 | 93 | r = parse_ifindex(identifier, &ifindex); |
1c111814 | 94 | if (r < 0) |
e331e246 TG |
95 | return 0; |
96 | ||
97 | r = link_get(m, ifindex, &link); | |
98 | if (r < 0) | |
99 | return 0; | |
100 | ||
101 | *found = link; | |
102 | ||
103 | return 1; | |
104 | } | |
105 | ||
106 | int link_send_changed(Link *link, const char *property, ...) { | |
107 | _cleanup_free_ char *p = NULL; | |
108 | char **l; | |
109 | ||
110 | assert(link); | |
111 | assert(link->manager); | |
112 | ||
4852e159 TG |
113 | if (!link->manager->bus) |
114 | return 0; /* replace with assert when we have kdbus */ | |
115 | ||
e331e246 TG |
116 | l = strv_from_stdarg_alloca(property); |
117 | ||
118 | p = link_bus_path(link); | |
119 | if (!p) | |
120 | return -ENOMEM; | |
121 | ||
122 | return sd_bus_emit_properties_changed_strv( | |
123 | link->manager->bus, | |
124 | p, | |
125 | "org.freedesktop.network1.Link", | |
126 | l); | |
127 | } |