dbus: add data argument to BusPropertySetCallback

[elogind.git] / src / dbus-common.h

diff --git a/src/dbus-common.h b/src/dbus-common.h
index 729519c526803eb98ba9b4bc70367db2c7c4fd95..1dc0f591d09cda9fb2f4d2f81acc9e89cf739f7a 100644 (file)
--- a/src/dbus-common.h
+++ b/src/dbus-common.h
@@ -93,17 +93,25 @@ int bus_connect_system_polkit(DBusConnection **_bus, DBusError *error);
 const char *bus_error_message(const DBusError *error);
 
 typedef int (*BusPropertyCallback)(DBusMessageIter *iter, const char *property, void *data);
-typedef int (*BusPropertySetCallback)(DBusMessageIter *iter, const char *property);
+typedef int (*BusPropertySetCallback)(DBusMessageIter *iter, const char *property, void *data);
 
 typedef struct BusProperty {
-        const char *interface;           /* interface of the property */
         const char *property;            /* name of the property */
         BusPropertyCallback append;      /* Function that is called to serialize this property */
         const char *signature;
-        const void *data;                /* The data of this property */
+        const uint16_t offset;           /* Offset from BusBoundProperties::base address to the property data.
+                                          * uint16_t is sufficient, because we have no structs too big.
+                                          * -Werror=overflow will catch it if this does not hold. */
+        bool indirect;                   /* data is indirect, ie. not base+offset, but *(base+offset) */
         BusPropertySetCallback set;      /* Optional: Function that is called to set this property */
 } BusProperty;
 
+typedef struct BusBoundProperties {
+        const char *interface;           /* interface of the properties */
+        const BusProperty *properties;   /* array of properties, ended by a NULL-filled element */
+        const void *const base;          /* base pointer to which the offset must be added to reach data */
+} BusBoundProperties;
+
 DBusHandlerResult bus_send_error_reply(
                 DBusConnection *c,
                 DBusMessage *message,
@@ -115,19 +123,23 @@ DBusHandlerResult bus_default_message_handler(
                 DBusMessage *message,
                 const char *introspection,
                 const char *interfaces,
-                const BusProperty *properties);
+                const BusBoundProperties *bound_properties);
 
 int bus_property_append_string(DBusMessageIter *i, const char *property, void *data);
 int bus_property_append_strv(DBusMessageIter *i, const char *property, void *data);
 int bus_property_append_bool(DBusMessageIter *i, const char *property, void *data);
+int bus_property_append_tristate_false(DBusMessageIter *i, const char *property, void *data);
 int bus_property_append_int32(DBusMessageIter *i, const char *property, void *data);
 int bus_property_append_uint32(DBusMessageIter *i, const char *property, void *data);
 int bus_property_append_uint64(DBusMessageIter *i, const char *property, void *data);
 int bus_property_append_size(DBusMessageIter *i, const char *property, void *data);
 int bus_property_append_ul(DBusMessageIter *i, const char *property, void *data);
+int bus_property_append_long(DBusMessageIter *i, const char *property, void *data);
 
 #define bus_property_append_int bus_property_append_int32
 #define bus_property_append_pid bus_property_append_uint32
+#define bus_property_append_uid bus_property_append_uint32
+#define bus_property_append_gid bus_property_append_uint32
 #define bus_property_append_mode bus_property_append_uint32
 #define bus_property_append_unsigned bus_property_append_uint32
 #define bus_property_append_usec bus_property_append_uint64
@@ -152,4 +164,20 @@ const char *bus_errno_to_dbus(int error);
 
 DBusMessage* bus_properties_changed_new(const char *path, const char *interface, const char *properties);
 
+uint32_t bus_flags_to_events(DBusWatch *bus_watch);
+unsigned bus_events_to_flags(uint32_t events);
+
+int bus_parse_strv(DBusMessage *m, char ***_l);
+int bus_parse_strv_iter(DBusMessageIter *iter, char ***_l);
+
+int bus_append_strv_iter(DBusMessageIter *iter, char **l);
+
+int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next);
+
+int generic_print_property(const char *name, DBusMessageIter *iter, bool all);
+
+void bus_async_unregister_and_exit(DBusConnection *bus, const char *name);
+
+DBusHandlerResult bus_exit_idle_filter(DBusConnection *bus, DBusMessage *m, void *userdata);
+
 #endif