Mark a primary as unreachable on timed out in xfin

When a primary server is not responding, mark it as temporarialy
unreachable.  This will prevent too many zones queuing up on a
unreachable server and allow the refresh process to move onto
the next primary sooner once it has been so marked.

diff --git a/lib/dns/xfrin.c b/lib/dns/xfrin.c
index bf3460169a041d7ca781184a38ec5c76fac95f19..b144c46663b4cd677865d910a3a100fbceb60568 100644 (file)
--- a/lib/dns/xfrin.c
+++ b/lib/dns/xfrin.c
@@ -1057,9 +1057,11 @@ failure:
        case ISC_R_NETUNREACH:
        case ISC_R_HOSTUNREACH:
        case ISC_R_CONNREFUSED:
+       case ISC_R_TIMEDOUT:
                /*
-                * Add the server to unreachable primaries table only if
-                * the server has a permanent networking error.
+                * Add the server to unreachable primaries table if
+                * the server has a permanent networking error or
+                * the connection attempt as timed out.
                 */
                zmgr = dns_zone_getmgr(xfr->zone);
                if (zmgr != NULL) {