From cface37b4928e922a43ef37d1bc49ab3a4009479 Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Sat, 18 Apr 2009 17:48:30 +0100
Subject: net.adns: Call handler for records already cached
---
net/adns.lua | 14 +++++++++-----
1 file 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)
--
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