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-rw-r--r--net/adns.lua1
-rw-r--r--net/dns.lua9
2 files changed, 9 insertions, 1 deletions
diff --git a/net/adns.lua b/net/adns.lua
index 08421f77..15814fe7 100644
--- a/net/adns.lua
+++ b/net/adns.lua
@@ -52,6 +52,7 @@ function new_async_socket(sock, resolver)
local peername = "<unknown>";
local listener = {};
local handler = {};
+ local err;
function listener.onincoming(conn, data)
if data then
dns.feed(handler, data);
diff --git a/net/dns.lua b/net/dns.lua
index bd5c260e..088067ae 100644
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -722,6 +722,14 @@ 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);
@@ -742,7 +750,6 @@ 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);