diff options
Diffstat (limited to 'contrib/librdns/resolver.c')
| -rw-r--r-- | contrib/librdns/resolver.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/contrib/librdns/resolver.c b/contrib/librdns/resolver.c index 520e85588..3197230ed 100644 --- a/contrib/librdns/resolver.c +++ b/contrib/librdns/resolver.c @@ -526,8 +526,21 @@ static void rdns_process_periodic (void *arg) { struct rdns_resolver *resolver = (struct rdns_resolver*)arg; + struct rdns_server *serv; UPSTREAM_RESCAN (resolver->servers, time (NULL)); + + UPSTREAM_FOREACH (resolver->servers, serv) { + for (int i = 0; i < serv->tcp_io_cnt; i ++) { + if (IS_CHANNEL_CONNECTED(serv->tcp_io_channels[i])) { + /* Disconnect channels with no requests in flight */ + if (kh_size(serv->tcp_io_channels[i]->requests) == 0) { + rdns_debug ("reset inactive TCP connection to %s", serv->name); + rdns_ioc_tcp_reset (serv->tcp_io_channels[i]); + } + } + } + } } static void |