+
+int manager_request_product_uuid(Manager *m, Link *link) {
+ int r;
+
+ assert(m);
+
+ if (m->has_product_uuid)
+ return 0;
+
+ log_debug("Requesting product UUID");
+
+ if (link) {
+ DUID *duid;
+
+ assert_se(duid = link_get_duid(link));
+
+ r = set_ensure_allocated(&m->links_requesting_uuid, NULL);
+ if (r < 0)
+ return log_oom();
+
+ r = set_ensure_allocated(&m->duids_requesting_uuid, NULL);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put(m->links_requesting_uuid, link);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put(m->duids_requesting_uuid, duid);
+ if (r < 0)
+ return log_oom();
+ }
+
+ if (!m->bus || sd_bus_is_ready(m->bus) <= 0) {
+ log_debug("Not connected to system bus, requesting product UUID later.");
+ return 0;
+ }
+
+ r = sd_bus_call_method_async(
+ m->bus,
+ NULL,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ "org.freedesktop.hostname1",
+ "GetProductUUID",
+ get_product_uuid_handler,
+ m,
+ "b",
+ false);
+ if (r < 0)
+ return log_warning_errno(r, "Failed to get product UUID: %m");
+
+ return 0;
+}