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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
392d5b37 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
392d5b37 LP |
5 | ***/ |
6 | ||
392d5b37 LP |
7 | #include "sd-bus.h" |
8 | ||
07630cea LP |
9 | #include "hashmap.h" |
10 | ||
392d5b37 LP |
11 | enum bus_match_node_type { |
12 | BUS_MATCH_ROOT, | |
13 | BUS_MATCH_VALUE, | |
14 | BUS_MATCH_LEAF, | |
15 | ||
16 | /* The following are all different kinds of compare nodes */ | |
392d5b37 | 17 | BUS_MATCH_SENDER, |
ae7bed3f | 18 | BUS_MATCH_MESSAGE_TYPE, |
392d5b37 LP |
19 | BUS_MATCH_DESTINATION, |
20 | BUS_MATCH_INTERFACE, | |
21 | BUS_MATCH_MEMBER, | |
22 | BUS_MATCH_PATH, | |
23 | BUS_MATCH_PATH_NAMESPACE, | |
24 | BUS_MATCH_ARG, | |
25 | BUS_MATCH_ARG_LAST = BUS_MATCH_ARG + 63, | |
26 | BUS_MATCH_ARG_PATH, | |
27 | BUS_MATCH_ARG_PATH_LAST = BUS_MATCH_ARG_PATH + 63, | |
28 | BUS_MATCH_ARG_NAMESPACE, | |
29 | BUS_MATCH_ARG_NAMESPACE_LAST = BUS_MATCH_ARG_NAMESPACE + 63, | |
eccd47c5 LP |
30 | BUS_MATCH_ARG_HAS, |
31 | BUS_MATCH_ARG_HAS_LAST = BUS_MATCH_ARG_HAS + 63, | |
392d5b37 LP |
32 | _BUS_MATCH_NODE_TYPE_MAX, |
33 | _BUS_MATCH_NODE_TYPE_INVALID = -1 | |
34 | }; | |
35 | ||
36 | struct bus_match_node { | |
37 | enum bus_match_node_type type; | |
38 | struct bus_match_node *parent, *next, *prev, *child; | |
39 | ||
40 | union { | |
41 | struct { | |
392d5b37 | 42 | char *str; |
7286037f | 43 | uint8_t u8; |
392d5b37 LP |
44 | } value; |
45 | struct { | |
19befb2d | 46 | struct match_callback *callback; |
392d5b37 LP |
47 | } leaf; |
48 | struct { | |
49 | /* If this is set, then the child is NULL */ | |
50 | Hashmap *children; | |
51 | } compare; | |
52 | }; | |
53 | }; | |
54 | ||
c7819669 LP |
55 | struct bus_match_component { |
56 | enum bus_match_node_type type; | |
57 | uint8_t value_u8; | |
58 | char *value_str; | |
59 | }; | |
60 | ||
cc65fe5e LP |
61 | enum bus_match_scope { |
62 | BUS_MATCH_GENERIC, | |
63 | BUS_MATCH_LOCAL, | |
64 | BUS_MATCH_DRIVER, | |
65 | }; | |
66 | ||
eb01ba5d | 67 | int bus_match_run(sd_bus *bus, struct bus_match_node *root, sd_bus_message *m); |
392d5b37 | 68 | |
19befb2d LP |
69 | int bus_match_add(struct bus_match_node *root, struct bus_match_component *components, unsigned n_components, struct match_callback *callback); |
70 | int bus_match_remove(struct bus_match_node *root, struct match_callback *callback); | |
71 | ||
72 | int bus_match_find(struct bus_match_node *root, struct bus_match_component *components, unsigned n_components, sd_bus_message_handler_t callback, void *userdata, struct match_callback **ret); | |
392d5b37 LP |
73 | |
74 | void bus_match_free(struct bus_match_node *node); | |
75 | ||
76 | void bus_match_dump(struct bus_match_node *node, unsigned level); | |
77 | ||
78 | const char* bus_match_node_type_to_string(enum bus_match_node_type t, char buf[], size_t l); | |
79 | enum bus_match_node_type bus_match_node_type_from_string(const char *k, size_t n); | |
c7819669 LP |
80 | |
81 | int bus_match_parse(const char *match, struct bus_match_component **_components, unsigned *_n_components); | |
82 | void bus_match_parse_free(struct bus_match_component *components, unsigned n_components); | |
53461b74 | 83 | char *bus_match_to_string(struct bus_match_component *components, unsigned n_components); |
cc65fe5e LP |
84 | |
85 | enum bus_match_scope bus_match_get_scope(const struct bus_match_component *components, unsigned n_components); |