+static int bus_socket_append_listen(DBusMessageIter *i, const char *property, void *data) {
+
+ Socket *s = SOCKET(data);
+ SocketPort *p;
+ DBusMessageIter array, stru;
+
+ assert(data);
+ assert(property);
+ assert(s);
+
+ if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(ss)", &array))
+ return log_oom();
+
+ LIST_FOREACH(port, p, s->ports) {
+ const char *type = socket_port_type_to_string(p);
+ _cleanup_free_ char *address = NULL;
+ const char *a;
+
+ if (!dbus_message_iter_open_container(&array, DBUS_TYPE_STRUCT, NULL, &stru))
+ return log_oom();
+
+ if (!dbus_message_iter_append_basic(&stru, DBUS_TYPE_STRING, &type))
+ return log_oom();
+
+ switch (p->type) {
+ case SOCKET_SOCKET: {
+ int r;
+
+ r = socket_address_print(&p->address, &address);
+ if (r) {
+ log_error("socket_address_print failed: %s", strerror(-r));
+ return r;
+ }
+ a = address;
+ break;
+ }
+
+ case SOCKET_SPECIAL:
+ case SOCKET_MQUEUE:
+ case SOCKET_FIFO:
+ a = p->path;
+ break;
+
+ default:
+ a = type;
+ }
+
+ if (!dbus_message_iter_append_basic(&stru, DBUS_TYPE_STRING, &a))
+ return -ENOMEM;
+
+ if (!dbus_message_iter_close_container(&array, &stru))
+ return -ENOMEM;
+ }
+
+ if (!dbus_message_iter_close_container(i, &array))
+ return -ENOMEM;
+
+ return 0;
+}
+