diff options
| -rw-r--r-- | net/dns.lua | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/dns.lua b/net/dns.lua index cdd949a2..492bd1c5 100644 --- a/net/dns.lua +++ b/net/dns.lua @@ -715,6 +715,14 @@ end function resolver:query(qname, qtype, qclass) -- - - - - - - - - - -- query qname, qtype, qclass = standardize(qname, qtype, qclass) + local co = coroutine.running(); + local q = get(self.wanted, qclass, qtype, qname); + if co and q then + -- We are already waiting for a reply to an identical query. + set(self.wanted, qclass, qtype, qname, co, true); + return true; + end + if not self.server then self:adddefaultnameservers(); end local question = encodeQuestion(qname, qtype, qclass); @@ -735,7 +743,6 @@ function resolver:query(qname, qtype, qclass) -- - - - - - - - - - -- query self.active[id][question] = o; -- remember which coroutine wants the answer - local co = coroutine.running(); if co then set(self.wanted, qclass, qtype, qname, co, true); --set(self.yielded, co, qclass, qtype, qname, true); |