[PATCH] libcli/dns: Time out requests after a while
Kai Blin
kai at samba.org
Sun Oct 14 04:25:27 MDT 2012
Time out UDP requests after DNS_REQUEST_TIMEOUT seconds. Currently set
to 2 seconds.
This should fix bug #8878.
---
libcli/dns/dns.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/libcli/dns/dns.c b/libcli/dns/dns.c
index da65ce4..43e1c4e 100644
--- a/libcli/dns/dns.c
+++ b/libcli/dns/dns.c
@@ -38,6 +38,8 @@ struct dns_udp_request_state {
size_t reply_len;
};
+#define DNS_REQUEST_TIMEOUT 2
+
/* Declare callback functions used below. */
static void dns_udp_request_get_reply(struct tevent_req *subreq);
static void dns_udp_request_done(struct tevent_req *subreq);
@@ -92,6 +94,12 @@ struct tevent_req *dns_udp_request_send(TALLOC_CTX *mem_ctx,
return tevent_req_post(req, ev);
}
+ if (!tevent_req_set_endtime(req, ev,
+ timeval_current_ofs(DNS_REQUEST_TIMEOUT, 0))) {
+ return tevent_req_post(req, ev);
+ }
+
+
tevent_req_set_callback(subreq, dns_udp_request_get_reply, req);
return req;
}
--
1.7.0.4
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