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-rw-r--r--net/dns.lua23
1 files changed, 6 insertions, 17 deletions
diff --git a/net/dns.lua b/net/dns.lua
index f56157d0..d711af34 100644
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -71,8 +71,8 @@ local get, set = ztact.get, ztact.set;
local default_timeout = 15;
-------------------------------------------------- module dns
-module('dns')
-local dns = _M;
+local _ENV = nil;
+local dns = {};
-- dns type & class codes ------------------------------ dns type & class codes
@@ -213,15 +213,6 @@ function cache_metatable.__tostring(cache)
end
-function resolver:new() -- - - - - - - - - - - - - - - - - - - - - resolver
- local r = { active = {}, cache = {}, unsorted = {} };
- setmetatable(r, resolver);
- setmetatable(r.cache, cache_metatable);
- setmetatable(r.unsorted, { __mode = 'kv' });
- return r;
-end
-
-
-- packet layer -------------------------------------------------- packet layer
@@ -629,7 +620,7 @@ function resolver:getsocket(servernum) -- - - - - - - - - - - - - getsocket
if peer:find(":") then
sock, err = socket.udp6();
else
- sock, err = socket.udp();
+ sock, err = (socket.udp4 or socket.udp)();
end
if sock and self.socket_wrapper then sock, err = self.socket_wrapper(sock, self); end
if not sock then
@@ -773,7 +764,7 @@ function resolver:query(qname, qtype, qclass) -- - - - - - - - - - -- query
return nil, err;
end
conn:send (o.packet)
-
+
if timer and self.timeout then
local num_servers = #self.server;
local i = 1;
@@ -870,7 +861,7 @@ function resolver:receive(rset) -- - - - - - - - - - - - - - - - - receive
-- retire the query
local queries = self.active[response.header.id];
queries[response.question.raw] = nil;
-
+
if not next(queries) then self.active[response.header.id] = nil; end
if not next(self.active) then self:closeall(); end
@@ -884,7 +875,7 @@ function resolver:receive(rset) -- - - - - - - - - - - - - - - - - receive
set(self.wanted, q.class, q.type, q.name, nil);
end
end
-
+
end
end
end
@@ -1054,8 +1045,6 @@ end
function dns.resolver () -- - - - - - - - - - - - - - - - - - - - - resolver
- -- this function seems to be redundant with resolver.new ()
-
local r = { active = {}, cache = {}, unsorted = {}, wanted = {}, best_server = 1 };
setmetatable (r, resolver);
setmetatable (r.cache, cache_metatable);