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);
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;
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;
struct node_vtable *i;
struct node *n;
+ bool found_something = false;
int r;
assert(bus);
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;
}
const char *path,
sd_bus_error *error) {
- size_t pl;
+ char *prefix;
int r;
assert(bus);
return 0;
/* Second, add fallback vtables registered for any of the prefixes */
- pl = strlen(path);
- if (pl > 1) {
- char p[pl + 1];
- strcpy(p, path);
-
- for (;;) {
- char *e;
-
- e = strrchr(p, '/');
- if (e == p || !e)
- break;
-
- *e = 0;
-
- r = object_manager_serialize_path(bus, reply, p, path, true, error);
- if (r < 0)
- return r;
+ prefix = alloca(strlen(path) + 1);
+ OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+ r = object_manager_serialize_path(bus, reply, prefix, path, true, error);
+ if (r < 0)
+ return r;
- if (sd_bus_error_is_set(error))
- return 0;
- }
+ if (sd_bus_error_is_set(error))
+ return 0;
}
return 0;
pl = strlen(m->path);
do {
- char p[pl+1];
+ char prefix[pl+1];
bus->nodes_modified = false;
return r;
/* Look for fallback prefixes */
- strcpy(p, m->path);
- for (;;) {
- char *e;
-
- if (streq(p, "/"))
- break;
+ OBJECT_PATH_FOREACH_PREFIX(prefix, m->path) {
if (bus->nodes_modified)
break;
- e = strrchr(p, '/');
- assert(e);
- if (e == p)
- *(e+1) = 0;
- else
- *e = 0;
-
- r = object_find_and_run(bus, m, p, true, &found_object);
+ r = object_find_and_run(bus, m, prefix, true, &found_object);
if (r != 0)
return r;
}
const char *interface,
char **names) {
- size_t pl;
+ char *prefix;
int r;
assert_return(bus, -EINVAL);
if (r != 0)
return r;
- pl = strlen(path);
- if (pl > 1 ) {
- char p[pl+1];
-
- strcpy(p, path);
- for (;;) {
- char *e;
-
- if (streq(p, "/"))
- break;
-
- e = strrchr(p, '/');
- assert(e);
- if (e == p)
- *(e+1) = 0;
- else
- *e = 0;
-
- r = emit_properties_changed_on_interface(bus, p, path, interface, true, names);
- if (r != 0)
- return r;
- }
+ prefix = alloca(strlen(path) + 1);
+ OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+ r = emit_properties_changed_on_interface(bus, prefix, path, interface, true, names);
+ if (r != 0)
+ return r;
}
return -ENOENT;
return sd_bus_emit_properties_changed_strv(bus, path, interface, names);
}
-int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interfaces, ...) {
- return -ENOSYS;
+static int interfaces_added_append_one_prefix(
+ sd_bus *bus,
+ sd_bus_message *m,
+ const char *prefix,
+ const char *path,
+ const char *interface,
+ bool require_fallback) {
+
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ struct node_vtable *c;
+ struct node *n;
+ void *u = NULL;
+ int r;
+
+ assert(bus);
+ assert(m);
+ assert(prefix);
+ assert(path);
+ assert(interface);
+
+ n = hashmap_get(bus->nodes, prefix);
+ if (!n)
+ return 0;
+
+ LIST_FOREACH(vtables, c, n->vtables) {
+ if (require_fallback && !c->is_fallback)
+ continue;
+
+ if (streq(c->interface, interface))
+ break;
+ }
+
+ if (!c)
+ return 0;
+
+ r = node_vtable_get_userdata(bus, path, c, &u);
+ if (r <= 0)
+ return r;
+
+ r = sd_bus_message_append_basic(m, 's', interface);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(m, 'a', "{sv}");
+ if (r < 0)
+ return r;
+
+ r = vtable_append_all_properties(bus, m,path, c, u, &error);
+ if (r < 0)
+ return r;
+
+ if (sd_bus_error_is_set(&error))
+ return bus_error_to_errno(&error);
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+static int interfaces_added_append_one(
+ sd_bus *bus,
+ sd_bus_message *m,
+ const char *path,
+ const char *interface) {
+
+ char *prefix;
+ int r;
+
+ assert(bus);
+ assert(m);
+ assert(path);
+ assert(interface);
+
+ r = interfaces_added_append_one_prefix(bus, m, path, path, interface, false);
+ if (r != 0)
+ return r;
+
+ prefix = alloca(strlen(path) + 1);
+ OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+ r = interfaces_added_append_one_prefix(bus, m, prefix, path, interface, true);
+ if (r != 0)
+ return r;
+ }
+
+ return -ENOENT;
+}
+
+int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces) {
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ char **i;
+ int r;
+
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ if (strv_isempty(interfaces))
+ return 0;
+
+ r = sd_bus_message_new_signal(bus, path, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded", &m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_basic(m, 'o', path);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(m, 'a', "{sa{sv}}");
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(i, interfaces) {
+ assert_return(interface_name_is_valid(*i), -EINVAL);
+
+ r = sd_bus_message_open_container(m, 'e', "sa{sv}");
+ if (r < 0)
+ return r;
+
+ r = interfaces_added_append_one(bus, m, path, *i);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, m, NULL);
+}
+
+int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) {
+ _cleanup_strv_free_ char **interfaces = NULL;
+ va_list ap;
+
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ va_start(ap, interface);
+ interfaces = strv_new_ap(interface, ap);
+ va_end(ap);
+
+ if (!interfaces)
+ return -ENOMEM;
+
+ return sd_bus_emit_interfaces_added_strv(bus, path, interfaces);
+}
+
+int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces) {
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ int r;
+
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ if (strv_isempty(interfaces))
+ return 0;
+
+ r = sd_bus_message_new_signal(bus, path, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved", &m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_basic(m, 'o', path);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_strv(m, interfaces);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, m, NULL);
}
-int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interfaces, ...) {
- return -ENOSYS;
+int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) {
+ _cleanup_strv_free_ char **interfaces = NULL;
+ va_list ap;
+
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ va_start(ap, interface);
+ interfaces = strv_new_ap(interface, ap);
+ va_end(ap);
+
+ if (!interfaces)
+ return -ENOMEM;
+
+ return sd_bus_emit_interfaces_removed_strv(bus, path, interfaces);
}
int sd_bus_add_object_manager(sd_bus *bus, const char *path) {
~ianmdlvl / elogind.git / blobdiff