81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include "sd-bus.h"
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#include "hashmap.h"
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enum bus_match_node_type {
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BUS_MATCH_ROOT,
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BUS_MATCH_VALUE,
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BUS_MATCH_LEAF,
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/* The following are all different kinds of compare nodes */
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BUS_MATCH_SENDER,
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BUS_MATCH_MESSAGE_TYPE,
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BUS_MATCH_DESTINATION,
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BUS_MATCH_INTERFACE,
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BUS_MATCH_MEMBER,
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BUS_MATCH_PATH,
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BUS_MATCH_PATH_NAMESPACE,
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BUS_MATCH_ARG,
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BUS_MATCH_ARG_LAST = BUS_MATCH_ARG + 63,
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BUS_MATCH_ARG_PATH,
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BUS_MATCH_ARG_PATH_LAST = BUS_MATCH_ARG_PATH + 63,
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BUS_MATCH_ARG_NAMESPACE,
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BUS_MATCH_ARG_NAMESPACE_LAST = BUS_MATCH_ARG_NAMESPACE + 63,
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BUS_MATCH_ARG_HAS,
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BUS_MATCH_ARG_HAS_LAST = BUS_MATCH_ARG_HAS + 63,
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_BUS_MATCH_NODE_TYPE_MAX,
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_BUS_MATCH_NODE_TYPE_INVALID = -1
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};
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struct bus_match_node {
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enum bus_match_node_type type;
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struct bus_match_node *parent, *next, *prev, *child;
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union {
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struct {
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char *str;
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uint8_t u8;
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} value;
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struct {
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struct match_callback *callback;
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} leaf;
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struct {
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/* If this is set, then the child is NULL */
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Hashmap *children;
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} compare;
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};
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};
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struct bus_match_component {
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enum bus_match_node_type type;
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uint8_t value_u8;
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char *value_str;
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};
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enum bus_match_scope {
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BUS_MATCH_GENERIC,
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BUS_MATCH_LOCAL,
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BUS_MATCH_DRIVER,
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};
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int bus_match_run(sd_bus *bus, struct bus_match_node *root, sd_bus_message *m);
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int bus_match_add(struct bus_match_node *root, struct bus_match_component *components, unsigned n_components, struct match_callback *callback);
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int bus_match_remove(struct bus_match_node *root, struct match_callback *callback);
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void bus_match_free(struct bus_match_node *node);
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void bus_match_dump(struct bus_match_node *node, unsigned level);
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const char* bus_match_node_type_to_string(enum bus_match_node_type t, char buf[], size_t l);
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enum bus_match_node_type bus_match_node_type_from_string(const char *k, size_t n);
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int bus_match_parse(const char *match, struct bus_match_component **_components, unsigned *_n_components);
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void bus_match_parse_free(struct bus_match_component *components, unsigned n_components);
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char *bus_match_to_string(struct bus_match_component *components, unsigned n_components);
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enum bus_match_scope bus_match_get_scope(const struct bus_match_component *components, unsigned n_components);
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