timedated: use libsystemd-bus instead of libdbus for bus communication

[elogind.git] / src / libsystemd-bus / bus-internal.h

diff --git a/src/libsystemd-bus/bus-internal.h b/src/libsystemd-bus/bus-internal.h
index 8f87bea7815f308316fcd3051a4177bc13dff295..1726b618418a45f76f6fc976478340e5816bdc6b 100644 (file)
--- a/src/libsystemd-bus/bus-internal.h
+++ b/src/libsystemd-bus/bus-internal.h
@@ -54,14 +54,63 @@ struct filter_callback {
         LIST_FIELDS(struct filter_callback, callbacks);
 };
 
-struct object_callback {
+struct node {
+        char *path;
+        struct node *parent;
+        LIST_HEAD(struct node, child);
+        LIST_FIELDS(struct node, siblings);
+
+        LIST_HEAD(struct node_callback, callbacks);
+        LIST_HEAD(struct node_vtable, vtables);
+        LIST_HEAD(struct node_enumerator, enumerators);
+
+        bool object_manager;
+};
+
+struct node_callback {
+        struct node *node;
+
+        bool is_fallback;
         sd_bus_message_handler_t callback;
         void *userdata;
 
-        char *path;
+        unsigned last_iteration;
+
+        LIST_FIELDS(struct node_callback, callbacks);
+};
+
+struct node_enumerator {
+        struct node *node;
+
+        sd_bus_node_enumerator_t callback;
+        void *userdata;
+
+        unsigned last_iteration;
+
+        LIST_FIELDS(struct node_enumerator, enumerators);
+};
+
+struct node_vtable {
+        struct node *node;
+
+        char *interface;
         bool is_fallback;
+        const sd_bus_vtable *vtable;
+        void *userdata;
+        sd_bus_object_find_t find;
 
         unsigned last_iteration;
+
+        LIST_FIELDS(struct node_vtable, vtables);
+};
+
+struct vtable_member {
+        const char *path;
+        const char *interface;
+        const char *member;
+        struct node_vtable *parent;
+        unsigned last_iteration;
+        const sd_bus_vtable *vtable;
 };
 
 enum bus_state {
@@ -99,7 +148,6 @@ struct sd_bus {
         int message_version;
 
         bool is_kernel:1;
-        bool negotiate_fds:1;
         bool can_fds:1;
         bool bus_client:1;
         bool ucred_valid:1;
@@ -110,7 +158,9 @@ struct sd_bus {
         bool processing:1;
         bool match_callbacks_modified:1;
         bool filter_callbacks_modified:1;
-        bool object_callbacks_modified:1;
+        bool nodes_modified:1;
+
+        int use_memfd;
 
         void *rbuffer;
         size_t rbuffer_size;
@@ -130,7 +180,12 @@ struct sd_bus {
         Prioq *reply_callbacks_prioq;
         Hashmap *reply_callbacks;
         LIST_HEAD(struct filter_callback, filter_callbacks);
-        Hashmap *object_callbacks;
+
+        Hashmap *nodes;
+
+
+        Hashmap *vtable_methods;
+        Hashmap *vtable_properties;
 
         union {
                 struct sockaddr sa;
@@ -181,14 +236,16 @@ struct sd_bus {
         unsigned n_memfd_cache;
 
         pid_t original_pid;
-};
 
-static inline void bus_unrefp(sd_bus **b) {
-        sd_bus_unref(*b);
-}
+        uint64_t hello_flags;
 
-#define _cleanup_bus_unref_ __attribute__((cleanup(bus_unrefp)))
-#define _cleanup_bus_error_free_ __attribute__((cleanup(sd_bus_error_free)))
+        uint64_t match_cookie;
+
+        sd_event_source *input_io_event_source;
+        sd_event_source *output_io_event_source;
+        sd_event_source *time_event_source;
+        sd_event *event;
+};
 
 #define BUS_DEFAULT_TIMEOUT ((usec_t) (25 * USEC_PER_SEC))
 
@@ -208,10 +265,11 @@ static inline void bus_unrefp(sd_bus **b) {
 
 #define BUS_EXEC_ARGV_MAX 256
 
-bool object_path_is_valid(const char *p);
 bool interface_name_is_valid(const char *p);
 bool service_name_is_valid(const char *p);
 bool member_name_is_valid(const char *p);
+bool object_path_is_valid(const char *p);
+char *object_path_startswith(const char *a, const char *b);
 
 bool namespace_complex_pattern(const char *pattern, const char *value);
 bool path_complex_pattern(const char *pattern, const char *value);
@@ -229,3 +287,14 @@ int bus_start_running(sd_bus *bus);
 int bus_next_address(sd_bus *bus);
 
 bool bus_pid_changed(sd_bus *bus);
+
+#define OBJECT_PATH_FOREACH_PREFIX(prefix, path)                        \
+        for (char *_slash = ({ strcpy((prefix), (path)); streq((prefix), "/") ? NULL : strrchr((prefix), '/'); }) ; \
+             _slash && !(_slash[(_slash) == (prefix)] = 0);             \
+             _slash = streq((prefix), "/") ? NULL : strrchr((prefix), '/'))
+
+/* If we are invoking callbacks of a bus object, ensure unreffing the
+ * bus from the callback doesn't destroy the object we are working
+ * on */
+#define BUS_DONT_DESTROY(bus) \
+        _cleanup_bus_unref_ sd_bus *_dont_destroy_##bus = sd_bus_ref(bus)