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