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Diffstat (limited to 'src/libsystemd-bus/bus-objects.c')
-rw-r--r--src/libsystemd-bus/bus-objects.c62
1 files changed, 36 insertions, 26 deletions
diff --git a/src/libsystemd-bus/bus-objects.c b/src/libsystemd-bus/bus-objects.c
index dbbb194444..08261fc7c3 100644
--- a/src/libsystemd-bus/bus-objects.c
+++ b/src/libsystemd-bus/bus-objects.c
@@ -742,9 +742,9 @@ static int object_manager_serialize_vtable(
sd_bus_message *reply,
const char *path,
struct node_vtable *c,
- sd_bus_error *error) {
+ sd_bus_error *error,
+ void *userdata) {
- void *u;
int r;
assert(bus);
@@ -753,10 +753,6 @@ static int object_manager_serialize_vtable(
assert(c);
assert(error);
- r = node_vtable_get_userdata(bus, path, c, &u);
- if (r <= 0)
- return r;
-
r = sd_bus_message_open_container(reply, 'e', "sa{sv}");
if (r < 0)
return r;
@@ -769,7 +765,7 @@ static int object_manager_serialize_vtable(
if (r < 0)
return r;
- r = vtable_append_all_properties(bus, reply, path, c, u, error);
+ r = vtable_append_all_properties(bus, reply, path, c, userdata, error);
if (r < 0)
return r;
@@ -794,6 +790,7 @@ static int object_manager_serialize_path(
struct node_vtable *i;
struct node *n;
+ bool found_something = false;
int r;
assert(bus);
@@ -806,37 +803,50 @@ static int object_manager_serialize_path(
if (!n)
return 0;
- r = sd_bus_message_open_container(reply, 'e', "oa{sa{sv}}");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(reply, "o", path);
- if (r < 0)
- return r;
-
- r = sd_bus_message_open_container(reply, 'a', "{sa{sv}}");
- if (r < 0)
- return r;
-
LIST_FOREACH(vtables, i, n->vtables) {
+ void *u;
if (require_fallback && !i->is_fallback)
continue;
- r = object_manager_serialize_vtable(bus, reply, path, i, error);
+ r = node_vtable_get_userdata(bus, path, i, &u);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ continue;
+
+ if (!found_something) {
+ r = sd_bus_message_open_container(reply, 'e', "oa{sa{sv}}");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "o", path);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(reply, 'a', "{sa{sv}}");
+ if (r < 0)
+ return r;
+
+ found_something = true;
+ }
+
+ r = object_manager_serialize_vtable(bus, reply, path, i, error, u);
if (r < 0)
return r;
if (sd_bus_error_is_set(error))
return 0;
}
- r = sd_bus_message_close_container(reply);
- if (r < 0)
- return r;
+ if (found_something) {
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return r;
- r = sd_bus_message_close_container(reply);
- if (r < 0)
- return r;
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return r;
+ }
return 1;
}