return 1;
}
-static int add_enumerated_to_set(sd_bus *bus, const char *prefix, struct node_enumerator *first, Set *s) {
+static int add_enumerated_to_set(
+ sd_bus *bus,
+ const char *prefix,
+ struct node_enumerator *first,
+ Set *s) {
+
struct node_enumerator *c;
int r;
return 0;
}
-static int add_subtree_to_set(sd_bus *bus, const char *prefix, struct node *n, Set *s) {
+static int add_subtree_to_set(
+ sd_bus *bus,
+ const char *prefix,
+ struct node *n,
+ Set *s) {
+
struct node *i;
int r;
return 0;
}
-static int get_child_nodes(sd_bus *bus, const char *prefix, struct node *n, Set **_s) {
+static int get_child_nodes(
+ sd_bus *bus,
+ const char *prefix,
+ struct node *n,
+ Set **_s) {
+
Set *s = NULL;
int r;
assert(bus);
+ assert(prefix);
assert(n);
assert(_s);
assert(bus);
assert(v);
+ assert(path);
+ assert(interface);
+ assert(property);
+ assert(m);
if (v->x.property.get)
return v->x.property.get(bus, path, interface, property, m, error, userdata);
assert(bus);
assert(v);
+ assert(path);
+ assert(interface);
+ assert(property);
+ assert(value);
if (v->x.property.set)
return v->x.property.set(bus, path, interface, property, value, error, userdata);
assert(bus);
assert(m);
+ assert(c);
assert(found_object);
if (require_fallback && !c->parent->is_fallback)
assert(bus);
assert(reply);
+ assert(path);
assert(c);
for (v = c->vtable+1; v->type != _SD_BUS_VTABLE_END; v++) {
if (r < 0)
return r;
- r = sd_bus_message_append(reply, "s", c->interface);
+ r = sd_bus_message_append(reply, "s", v->x.property.member);
if (r < 0)
return r;
static bool bus_node_with_object_manager(sd_bus *bus, struct node *n) {
assert(bus);
+ assert(n);
if (n->object_manager)
return true;
return false;
}
-static bool bus_node_exists(sd_bus *bus, struct node *n, const char *path, bool require_fallback) {
+static bool bus_node_exists(
+ sd_bus *bus,
+ struct node *n,
+ const char *path,
+ bool require_fallback) {
+
struct node_vtable *c;
struct node_callback *k;
assert(bus);
assert(n);
+ assert(path);
/* Tests if there's anything attached directly to this node
* for the specified path */
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;
}
}
static int bus_add_object(
- sd_bus *b,
+ sd_bus *bus,
bool fallback,
const char *path,
sd_bus_message_handler_t callback,
struct node *n;
int r;
- if (!b)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (!callback)
- return -EINVAL;
- if (bus_pid_changed(b))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(callback, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
- n = bus_node_allocate(b, path);
+ n = bus_node_allocate(bus, path);
if (!n)
return -ENOMEM;
fail:
free(c);
- bus_node_gc(b, n);
+ bus_node_gc(bus, n);
return r;
}
struct node_callback *c;
struct node *n;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (!callback)
- return -EINVAL;
- if (bus_pid_changed(bus))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(callback, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
n = hashmap_get(bus->nodes, path);
if (!n)
static unsigned vtable_member_hash_func(const void *a) {
const struct vtable_member *m = a;
+ assert(m);
+
return
string_hash_func(m->path) ^
string_hash_func(m->interface) ^
const struct vtable_member *x = a, *y = b;
int r;
+ assert(x);
+ assert(y);
+
r = strcmp(x->path, y->path);
if (r != 0)
return r;
struct node *n;
int r;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (!interface_name_is_valid(interface))
- return -EINVAL;
- if (!vtable || vtable[0].type != _SD_BUS_VTABLE_START || vtable[0].x.start.element_size != sizeof(struct sd_bus_vtable))
- return -EINVAL;
- if (bus_pid_changed(bus))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(interface_name_is_valid(interface), -EINVAL);
+ assert_return(vtable, -EINVAL);
+ assert_return(vtable[0].type == _SD_BUS_VTABLE_START, -EINVAL);
+ assert_return(vtable[0].x.start.element_size == sizeof(struct sd_bus_vtable), -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
r = hashmap_ensure_allocated(&bus->vtable_methods, vtable_member_hash_func, vtable_member_compare_func);
if (r < 0)
struct node_vtable *c;
struct node *n;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (!interface_name_is_valid(interface))
- return -EINVAL;
- if (bus_pid_changed(bus))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(interface_name_is_valid(interface), -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
n = hashmap_get(bus->nodes, path);
if (!n)
LIST_REMOVE(struct node_vtable, vtables, n->vtables, c);
free_node_vtable(bus, c);
+ bus_node_gc(bus, n);
+
return 1;
}
struct node *n;
int r;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (!callback)
- return -EINVAL;
- if (bus_pid_changed(bus))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(callback, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
n = bus_node_allocate(bus, path);
if (!n)
struct node_enumerator *c;
struct node *n;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (!callback)
- return -EINVAL;
- if (bus_pid_changed(bus))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(callback, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
n = hashmap_get(bus->nodes, path);
if (!n)
int r;
assert(bus);
+ assert(prefix);
assert(path);
assert(interface);
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
struct vtable_member *v;
+ assert_return(member_name_is_valid(*property), -EINVAL);
+
key.member = *property;
v = hashmap_get(bus->vtable_properties, &key);
if (!v)
return -ENOENT;
assert(c == v->parent);
+ assert_return(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE, -EDOM);
- if (!(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE))
- return -EDOM;
if (v->vtable->flags & SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY) {
has_invalidating = true;
continue;
return 1;
}
-int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names) {
- size_t pl;
+int sd_bus_emit_properties_changed_strv(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ char **names) {
+
+ char *prefix;
int r;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (!interface_name_is_valid(interface))
- return -EINVAL;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(interface_name_is_valid(interface), -EINVAL);
+ assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ if (strv_isempty(names))
+ return 0;
r = emit_properties_changed_on_interface(bus, path, path, interface, false, names);
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;
}
-int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) {
+int sd_bus_emit_properties_changed(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *name, ...) {
+
_cleanup_strv_free_ char **names = NULL;
va_list ap;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(interface_name_is_valid(interface), -EINVAL);
+ assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ if (!name)
+ return 0;
+
va_start(ap, name);
names = strv_new_ap(name, ap);
va_end(ap);
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(sd_bus *bus, const char *path, const char *interfaces, ...) {
- return -ENOSYS;
+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 *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) {
struct node *n;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (bus_pid_changed(bus))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
n = bus_node_allocate(bus, path);
if (!n)
int sd_bus_remove_object_manager(sd_bus *bus, const char *path) {
struct node *n;
- if (!bus)
- return -EINVAL;
- if (!object_path_is_valid(path))
- return -EINVAL;
- if (bus_pid_changed(bus))
- return -ECHILD;
+ assert_return(bus, -EINVAL);
+ assert_return(object_path_is_valid(path), -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
n = hashmap_get(bus->nodes, path);
if (!n)
n->object_manager = false;
bus_node_gc(bus, n);
+
return 1;
}
~ianmdlvl / elogind.git / blobdiff