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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
e331e246 | 2 | |
b5efdb8a | 3 | #include "alloc-util.h" |
a879e1a4 | 4 | #include "bus-common-errors.h" |
cf0fbc49 | 5 | #include "bus-util.h" |
e331e246 | 6 | #include "networkd-link.h" |
23f53b99 | 7 | #include "networkd-manager.h" |
6bedfcbb | 8 | #include "parse-util.h" |
cf0fbc49 | 9 | #include "strv.h" |
e331e246 TG |
10 | |
11 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState); | |
12 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState); | |
13 | ||
a879e1a4 YW |
14 | static int property_get_bit_rates( |
15 | sd_bus *bus, | |
16 | const char *path, | |
17 | const char *interface, | |
18 | const char *property, | |
19 | sd_bus_message *reply, | |
20 | void *userdata, | |
21 | sd_bus_error *error) { | |
22 | ||
23 | Link *link = userdata; | |
24 | Manager *manager; | |
25 | double tx, rx, interval_sec; | |
26 | ||
27 | assert(bus); | |
28 | assert(reply); | |
29 | assert(userdata); | |
30 | ||
31 | manager = link->manager; | |
32 | ||
33 | if (!manager->use_speed_meter) | |
34 | return sd_bus_error_set(error, BUS_ERROR_SPEED_METER_INACTIVE, "Speed meter is disabled."); | |
35 | ||
36 | if (manager->speed_meter_usec_old == 0) | |
37 | return sd_bus_error_set(error, BUS_ERROR_SPEED_METER_INACTIVE, "Speed meter is not active."); | |
38 | ||
39 | if (!link->stats_updated) | |
40 | return sd_bus_error_set(error, BUS_ERROR_SPEED_METER_INACTIVE, "Failed to measure bit-rates."); | |
41 | ||
42 | assert(manager->speed_meter_usec_new > manager->speed_meter_usec_old); | |
43 | interval_sec = (double) (manager->speed_meter_usec_new - manager->speed_meter_usec_old) / USEC_PER_SEC; | |
44 | ||
45 | if (link->stats_new.tx_bytes > link->stats_old.tx_bytes) | |
46 | tx = (link->stats_new.tx_bytes - link->stats_old.tx_bytes) / interval_sec; | |
47 | else | |
48 | tx = (UINT64_MAX - (link->stats_old.tx_bytes - link->stats_new.tx_bytes)) / interval_sec; | |
49 | ||
50 | if (link->stats_new.rx_bytes > link->stats_old.rx_bytes) | |
51 | rx = (link->stats_new.rx_bytes - link->stats_old.rx_bytes) / interval_sec; | |
52 | else | |
53 | rx = (UINT64_MAX - (link->stats_old.rx_bytes - link->stats_new.rx_bytes)) / interval_sec; | |
54 | ||
55 | return sd_bus_message_append(reply, "(dd)", tx, rx); | |
56 | } | |
57 | ||
e331e246 TG |
58 | const sd_bus_vtable link_vtable[] = { |
59 | SD_BUS_VTABLE_START(0), | |
60 | ||
61 | SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Link, operstate), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
62 | SD_BUS_PROPERTY("AdministrativeState", "s", property_get_administrative_state, offsetof(Link, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
a879e1a4 | 63 | SD_BUS_PROPERTY("BitRates", "(dd)", property_get_bit_rates, 0, 0), |
e331e246 TG |
64 | |
65 | SD_BUS_VTABLE_END | |
66 | }; | |
67 | ||
68 | static char *link_bus_path(Link *link) { | |
c8f5edea | 69 | _cleanup_free_ char *ifindex = NULL; |
e331e246 | 70 | char *p; |
c8f5edea | 71 | int r; |
e331e246 TG |
72 | |
73 | assert(link); | |
74 | assert(link->ifindex > 0); | |
75 | ||
c8f5edea TG |
76 | if (asprintf(&ifindex, "%d", link->ifindex) < 0) |
77 | return NULL; | |
78 | ||
79 | r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex, &p); | |
80 | if (r < 0) | |
02f50053 | 81 | return NULL; |
e331e246 TG |
82 | |
83 | return p; | |
84 | } | |
85 | ||
86 | int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
87 | _cleanup_strv_free_ char **l = NULL; | |
88 | Manager *m = userdata; | |
fdb90ac6 | 89 | unsigned c = 0; |
e331e246 TG |
90 | Link *link; |
91 | Iterator i; | |
e331e246 TG |
92 | |
93 | assert(bus); | |
94 | assert(path); | |
95 | assert(m); | |
96 | assert(nodes); | |
97 | ||
fdb90ac6 LP |
98 | l = new0(char*, hashmap_size(m->links) + 1); |
99 | if (!l) | |
100 | return -ENOMEM; | |
101 | ||
e331e246 TG |
102 | HASHMAP_FOREACH(link, m->links, i) { |
103 | char *p; | |
104 | ||
105 | p = link_bus_path(link); | |
106 | if (!p) | |
107 | return -ENOMEM; | |
108 | ||
fdb90ac6 | 109 | l[c++] = p; |
e331e246 TG |
110 | } |
111 | ||
fdb90ac6 | 112 | l[c] = NULL; |
ae2a15bc | 113 | *nodes = TAKE_PTR(l); |
e331e246 TG |
114 | |
115 | return 1; | |
116 | } | |
117 | ||
118 | int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
c8f5edea | 119 | _cleanup_free_ char *identifier = NULL; |
e331e246 TG |
120 | Manager *m = userdata; |
121 | Link *link; | |
122 | int ifindex, r; | |
123 | ||
124 | assert(bus); | |
125 | assert(path); | |
126 | assert(interface); | |
127 | assert(m); | |
128 | assert(found); | |
129 | ||
c8f5edea | 130 | r = sd_bus_path_decode(path, "/org/freedesktop/network1/link", &identifier); |
a7f6e7e8 | 131 | if (r <= 0) |
c8f5edea TG |
132 | return 0; |
133 | ||
6ad623a3 | 134 | r = parse_ifindex(identifier, &ifindex); |
1c111814 | 135 | if (r < 0) |
e331e246 TG |
136 | return 0; |
137 | ||
138 | r = link_get(m, ifindex, &link); | |
139 | if (r < 0) | |
140 | return 0; | |
141 | ||
142 | *found = link; | |
143 | ||
144 | return 1; | |
145 | } | |
146 | ||
147 | int link_send_changed(Link *link, const char *property, ...) { | |
148 | _cleanup_free_ char *p = NULL; | |
149 | char **l; | |
150 | ||
151 | assert(link); | |
152 | assert(link->manager); | |
153 | ||
4852e159 TG |
154 | if (!link->manager->bus) |
155 | return 0; /* replace with assert when we have kdbus */ | |
156 | ||
e331e246 TG |
157 | l = strv_from_stdarg_alloca(property); |
158 | ||
159 | p = link_bus_path(link); | |
160 | if (!p) | |
161 | return -ENOMEM; | |
162 | ||
163 | return sd_bus_emit_properties_changed_strv( | |
164 | link->manager->bus, | |
165 | p, | |
166 | "org.freedesktop.network1.Link", | |
167 | l); | |
168 | } |