From 4e0b8b17a7465653f4e7b819dad5f8e30d64c0c4 Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Thu, 16 Jul 2015 14:39:55 +0200 Subject: resolved: degrade the feature level on explicit failure Previously, we would only degrade on packet loss, but when adding EDNS0 support, we also have to handle the case where the server replies with an explicit error. --- src/resolve/resolved-dns-server.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/resolve/resolved-dns-server.c') diff --git a/src/resolve/resolved-dns-server.c b/src/resolve/resolved-dns-server.c index 5fc7c3187f..c5396a03c8 100644 --- a/src/resolve/resolved-dns-server.c +++ b/src/resolve/resolved-dns-server.c @@ -253,6 +253,16 @@ void dns_server_packet_lost(DnsServer *s, DnsServerFeatureLevel features, usec_t s->resend_timeout = MIN(s->resend_timeout * 2, DNS_TIMEOUT_MAX_USEC); } +void dns_server_packet_failed(DnsServer *s, DnsServerFeatureLevel features) { + assert(s); + assert(s->manager); + + if (s->possible_features != features) + return; + + s->n_failed_attempts = (unsigned) -1; +} + static bool dns_server_grace_period_expired(DnsServer *s) { usec_t ts; -- cgit v1.2.3-54-g00ecf