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authorLennart Poettering <lennart@poettering.net>2016-01-08 17:18:54 +0100
committerLennart Poettering <lennart@poettering.net>2016-01-11 19:40:00 +0100
commit034e8031919bac72943175c068c112d24f509793 (patch)
treeb9220ebca89d9db2af5ddc461496cce9049c850a /src
parentf757cd851086843d6f899269e5633d1b20d4acaa (diff)
resolved: log why we use TCP when UDP isn't supported by a server
Diffstat (limited to 'src')
-rw-r--r--src/resolve/resolved-dns-transaction.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c
index b9a1eaff19..1ab9550cb3 100644
--- a/src/resolve/resolved-dns-transaction.c
+++ b/src/resolve/resolved-dns-transaction.c
@@ -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);
}