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-rw-r--r--src/libsystemd/sd-bus/bus-match.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/bus-match.h b/src/libsystemd/sd-bus/bus-match.h
new file mode 100644
index 0000000..6042f90
--- /dev/null
+++ b/src/libsystemd/sd-bus/bus-match.h
@@ -0,0 +1,82 @@
+/* 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);