static struct generic_data *object_path_ref(DBusConnection *connection,
const char *path)
{
struct generic_data *data;
if (dbus_connection_get_object_path_data(connection, path,
(void *) &data) == TRUE) {
if (data != NULL) {
data->refcount++;
return data;
}
}
data = g_new0(struct generic_data, 1);
data->refcount = 1;
data->introspect = g_strdup(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE "<node></node>");
if (!dbus_connection_register_object_path(connection, path,
&generic_table, data)) {
g_free(data->introspect);
g_free(data);
return NULL;
}
invalidate_parent_data(connection, path);
add_interface(data, DBUS_INTERFACE_INTROSPECTABLE,
introspect_methods, NULL, NULL, data, NULL);
return data;
}
static void invalidate_parent_data(DBusConnection *conn, const char *child_path)
{
struct generic_data *data = NULL;
char *parent_path, *slash;
parent_path = g_strdup(child_path);
slash = strrchr(parent_path, '/');
if (slash == NULL)
goto done;
if (slash == parent_path && parent_path[1] != '\0')
parent_path[1] = '\0';
else
*slash = '\0';
if (!strlen(parent_path))
goto done;
if (dbus_connection_get_object_path_data(conn, parent_path,
(void *) &data) == FALSE) {
goto done;
}
invalidate_parent_data(conn, parent_path);
if (data == NULL)
goto done;
g_free(data->introspect);
data->introspect = NULL;
done:
g_free(parent_path);
}
static struct generic_data *invalidate_parent_data(DBusConnection *conn,
const char *child_path)
{
struct generic_data *data = NULL, *child = NULL, *parent = NULL;
char *parent_path, *slash;
parent_path = g_strdup(child_path);
slash = strrchr(parent_path, '/');
if (slash == NULL)
goto done;
if (slash == parent_path && parent_path[1] != '\0')
parent_path[1] = '\0';
else
*slash = '\0';
if (!strlen(parent_path))
goto done;
if (dbus_connection_get_object_path_data(conn, parent_path,
(void *) &data) == FALSE) {
goto done;
}
parent = invalidate_parent_data(conn, parent_path);
if (data == NULL) {
data = parent;
if (data == NULL)
goto done;
}
g_free(data->introspect);
data->introspect = NULL;
if (!dbus_connection_get_object_path_data(conn, child_path,
(void *) &child))
goto done;
if (child == NULL || g_slist_find(data->objects, child) != NULL)
goto done;
data->objects = g_slist_prepend(data->objects, child);
child->parent = data;
done:
g_free(parent_path);
return data;
}
static struct generic_data *object_path_ref(DBusConnection *connection,
const char *path)
{
struct generic_data *data;
if (dbus_connection_get_object_path_data(connection, path,
(void *) &data) == TRUE) {
if (data != NULL) {
data->refcount++;
return data;
}
}
data = g_new0(struct generic_data, 1);
data->conn = dbus_connection_ref(connection);
data->path = g_strdup(path);
data->refcount = 1;
data->introspect = g_strdup(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE "<node></node>");
if (!dbus_connection_register_object_path(connection, path,
&generic_table, data)) {
g_free(data->introspect);
g_free(data);
return NULL;
}
invalidate_parent_data(connection, path);
add_interface(data, DBUS_INTERFACE_INTROSPECTABLE, introspect_methods,
NULL, NULL, data, NULL);
/* Only root path export ObjectManager interface */
if (data->parent == NULL)
add_interface(data, DBUS_INTERFACE_OBJECT_MANAGER,
manager_methods, manager_signals,
NULL, data, NULL);
add_interface(data, DBUS_INTERFACE_PROPERTIES, properties_methods,
properties_signals, NULL, data, NULL);
return data;
}
static void object_path_unref(DBusConnection *connection, const char *path)
{
struct generic_data *data = NULL;
if (dbus_connection_get_object_path_data(connection, path,
(void *) &data) == FALSE)
return;
if (data == NULL)
return;
data->refcount--;
if (data->refcount > 0)
return;
remove_interface(data, DBUS_INTERFACE_INTROSPECTABLE);
invalidate_parent_data(connection, path);
dbus_connection_unregister_object_path(connection, path);
}
