diff options
| -rw-r--r-- | net/adns.lua | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/adns.lua b/net/adns.lua index 4c0e5c38..07d4fe54 100644 --- a/net/adns.lua +++ b/net/adns.lua @@ -8,17 +8,21 @@ local coroutine, tostring, pcall = coroutine, tostring, pcall; module "adns" function lookup(handler, qname, qtype, qclass) - return dns.peek(qname, qtype, qclass) or - coroutine.wrap(function () - log("debug", "Records for "..qname.." not in cache, sending query (%s)...", tostring(coroutine.running())); + return coroutine.wrap(function (peek) + if peek then + log("debug", "Records for %s already cached, using those...", qname); + handler(peek); + return; + end + log("debug", "Records for %s not in cache, sending query (%s)...", qname, tostring(coroutine.running())); dns.query(qname, qtype, qclass); coroutine.yield(nil); -- Wait for reply - log("debug", "Reply for "..qname.." (%s)", tostring(coroutine.running())); + log("debug", "Reply for %s (%s)", qname, tostring(coroutine.running())); local ok, err = pcall(handler, dns.peek(qname, qtype, qclass)); if not ok then log("debug", "Error in DNS response handler: %s", tostring(err)); end - end)(); + end)(dns.peek(qname, qtype, qclass)); end function new_async_socket(sock) |