q->request_hostname = hostname;
q->complete = bus_method_resolve_hostname_complete;
+ r = dns_query_bus_track(q, bus, message);
+ if (r < 0)
+ return r;
+
r = dns_query_go(q);
if (r < 0) {
dns_query_free(q);
memcpy(&q->request_address, d, sz);
q->complete = bus_method_resolve_address_complete;
+ r = dns_query_bus_track(q, bus, message);
+ if (r < 0)
+ return r;
+
r = dns_query_go(q);
if (r < 0) {
dns_query_free(q);
q->request_hostname = name;
q->complete = bus_method_resolve_record_complete;
+ r = dns_query_bus_track(q, bus, message);
+ if (r < 0)
+ return r;
+
r = dns_query_go(q);
if (r < 0) {
dns_query_free(q);
dns_answer_unref(q->answer);
sd_bus_message_unref(q->request);
+ sd_bus_track_unref(q->bus_track);
if (q->manager) {
LIST_REMOVE(queries, q->manager->dns_queries, q);
return 0;
}
+
+static int on_bus_track(sd_bus_track *t, void *userdata) {
+ DnsQuery *q = userdata;
+
+ assert(t);
+ assert(q);
+
+ log_debug("Client of active query vanished, aborting query.");
+ dns_query_complete(q, DNS_TRANSACTION_ABORTED);
+ return 0;
+}
+
+int dns_query_bus_track(DnsQuery *q, sd_bus *bus, sd_bus_message *m) {
+ int r;
+
+ assert(q);
+ assert(m);
+
+ if (!q->bus_track) {
+ r = sd_bus_track_new(bus, &q->bus_track, on_bus_track, q);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_track_add_sender(q->bus_track, m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
Set *transactions;
+ sd_bus_track *bus_track;
+
LIST_FIELDS(DnsQuery, queries);
};
int dns_query_cname_redirect(DnsQuery *q, const char *name);
+int dns_query_bus_track(DnsQuery *q, sd_bus *bus, sd_bus_message *m);
+
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsQuery*, dns_query_free);