resolved: log why we use TCP when UDP isn't supported by a server

2016-01-11 19:40:00 +01:00
parent f757cd8510
commit 034e803191
1 changed files with 3 additions and 1 deletions
@@ -709,7 +709,7 @@ void dns_transaction_process_reply(DnsTransaction *t, DnsPacket *p) {
                if (r < 0) {
                        /* On LLMNR, if we cannot connect to the host,
                         * we immediately give up */
-                        if (t->scope->protocol == DNS_PROTOCOL_LLMNR) {
+                        if (t->scope->protocol != DNS_PROTOCOL_DNS) {
                                dns_transaction_complete(t, DNS_TRANSACTION_RESOURCES);
                                return;
                        }
@@ -1280,6 +1280,8 @@ int dns_transaction_go(DnsTransaction *t) {
                r = dns_transaction_emit_udp(t);
                if (r == -EMSGSIZE)
                        log_debug("Sending query via TCP since it is too large.");
+                if (r == -EAGAIN)
+                        log_debug("Sending query via TCP since server doesn't support UDP.");
                if (r == -EMSGSIZE || r == -EAGAIN)
                        r = dns_transaction_open_tcp(t);
        }