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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
82bdf8ce TG |
3 | #ifndef foosdnetworkhfoo |
4 | #define foosdnetworkhfoo | |
fe8db0c5 TG |
5 | |
6 | /*** | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2011 Lennart Poettering | |
10 | Copyright 2014 Tom Gundersen | |
11 | ||
12 | systemd is free software; you can redistribute it and/or modify it | |
13 | under the terms of the GNU Lesser General Public License as published by | |
14 | the Free Software Foundation; either version 2.1 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | systemd is distributed in the hope that it will be useful, but | |
18 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 | Lesser General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU Lesser General Public License | |
23 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
24 | ***/ | |
25 | ||
26 | #include <sys/types.h> | |
27 | #include <inttypes.h> | |
28 | ||
fe8db0c5 TG |
29 | #include "_sd-common.h" |
30 | ||
31 | /* | |
32 | * A few points: | |
33 | * | |
34 | * Instead of returning an empty string array or empty integer array, we | |
35 | * may return NULL. | |
36 | * | |
37 | * Free the data the library returns with libc free(). String arrays | |
10b17992 | 38 | * are NULL terminated, and you need to free the array itself in |
fe8db0c5 TG |
39 | * addition to the strings contained. |
40 | * | |
10b17992 JSJ |
41 | * We return error codes as negative errno, kernel-style. On success, we |
42 | * return 0 or positive. | |
fe8db0c5 | 43 | * |
10b17992 JSJ |
44 | * These functions access data in /run. This is a virtual file system; |
45 | * therefore, accesses are relatively cheap. | |
fe8db0c5 TG |
46 | * |
47 | * See sd-network(3) for more information. | |
48 | */ | |
49 | ||
50 | _SD_BEGIN_DECLARATIONS; | |
51 | ||
6436165d | 52 | /* Get overall operational state |
54cba0b1 | 53 | * Possible states: down, up, dormant, carrier, degraded, routable |
6436165d LP |
54 | * Possible return codes: |
55 | * -ENODATA: networkd is not aware of any links | |
56 | */ | |
57 | int sd_network_get_operational_state(char **state); | |
58 | ||
03cc0fd1 LP |
59 | /* Get DNS entries for all links. These are string representations of |
60 | * IP addresses */ | |
61 | int sd_network_get_dns(char ***addr); | |
62 | ||
63 | /* Get NTP entries for all links. These are domain names or string | |
64 | * reperesentations of IP addresses */ | |
65 | int sd_network_get_ntp(char ***addr); | |
66 | ||
438ca2bb | 67 | /* Get setup state from ifindex. |
8434fd5c TG |
68 | * Possible states: |
69 | * pending: udev is still processing the link, we don't yet know if we will manage it | |
70 | * failed: networkd failed to manage the link | |
71 | * configuring: in the process of retrieving configuration or configuring the link | |
72 | * configured: link configured successfully | |
73 | * unmanaged: networkd is not handling the link | |
74 | * linger: the link is gone, but has not yet been dropped by networkd | |
deb2e523 TG |
75 | * Possible return codes: |
76 | * -ENODATA: networkd is not aware of the link | |
deb2e523 | 77 | */ |
438ca2bb | 78 | int sd_network_link_get_setup_state(int ifindex, char **state); |
deb2e523 TG |
79 | |
80 | /* Get operatinal state from ifindex. | |
d3df0e39 TG |
81 | * Possible states: |
82 | * off: the device is powered down | |
83 | * no-carrier: the device is powered up, but it does not yet have a carrier | |
84 | * dormant: the device has a carrier, but is not yet ready for normal traffic | |
85 | * carrier: the link has a carrier | |
86 | * degraded: the link has carrier and addresses valid on the local link configured | |
87 | * routable: the link has carrier and routable address configured | |
deb2e523 TG |
88 | * Possible return codes: |
89 | * -ENODATA: networkd is not aware of the link | |
90 | */ | |
d6731e4c | 91 | int sd_network_link_get_operational_state(int ifindex, char **state); |
deb2e523 | 92 | |
6f4dedb2 TG |
93 | /* Get DNS entries for a given link. These are string representations of |
94 | * IP addresses */ | |
d6731e4c | 95 | int sd_network_link_get_dns(int ifindex, char ***addr); |
7dbf94a9 | 96 | |
6f4dedb2 TG |
97 | /* Get NTP entries for a given link. These are domain names or string |
98 | * reperesentations of IP addresses */ | |
d6731e4c | 99 | int sd_network_link_get_ntp(int ifindex, char ***addr); |
7dbf94a9 | 100 | |
03cc0fd1 LP |
101 | /* Indicates whether or not LLMNR should be enabled for the link |
102 | * Possible levels of support: yes, no, resolve | |
103 | * Possible return codes: | |
104 | * -ENODATA: networkd is not aware of the link*/ | |
d6731e4c | 105 | int sd_network_link_get_llmnr(int ifindex, char **llmnr); |
03cc0fd1 | 106 | |
9b4d1882 TG |
107 | /* Get the DNS domain names for a given link. */ |
108 | int sd_network_link_get_domains(int ifindex, char ***domains); | |
109 | ||
fe8db0c5 TG |
110 | /* Monitor object */ |
111 | typedef struct sd_network_monitor sd_network_monitor; | |
112 | ||
7e141e49 | 113 | /* Create a new monitor. Category must be NULL, "links" or "leases". */ |
0014a4ad | 114 | int sd_network_monitor_new(sd_network_monitor **ret, const char *category); |
fe8db0c5 TG |
115 | |
116 | /* Destroys the passed monitor. Returns NULL. */ | |
117 | sd_network_monitor* sd_network_monitor_unref(sd_network_monitor *m); | |
118 | ||
119 | /* Flushes the monitor */ | |
120 | int sd_network_monitor_flush(sd_network_monitor *m); | |
121 | ||
122 | /* Get FD from monitor */ | |
123 | int sd_network_monitor_get_fd(sd_network_monitor *m); | |
124 | ||
125 | /* Get poll() mask to monitor */ | |
126 | int sd_network_monitor_get_events(sd_network_monitor *m); | |
127 | ||
128 | /* Get timeout for poll(), as usec value relative to CLOCK_MONOTONIC's epoch */ | |
129 | int sd_network_monitor_get_timeout(sd_network_monitor *m, uint64_t *timeout_usec); | |
130 | ||
131 | _SD_END_DECLARATIONS; | |
132 | ||
133 | #endif |