local function dummy_send(sock, data, i, j) return (j-i)+1; end
-module "adns"
+local _ENV = nil;
-function lookup(handler, qname, qtype, qclass)
+local function lookup(handler, qname, qtype, qclass)
return coroutine.wrap(function (peek)
if peek then
log("debug", "Records for %s already cached, using those...", qname);
end)(dns.peek(qname, qtype, qclass));
end
-function cancel(handle, call_handler, reason)
+local function cancel(handle, call_handler, reason)
log("warn", "Cancelling DNS lookup for %s", tostring(handle[3]));
dns.cancel(handle[1], handle[2], handle[3], handle[4], call_handler);
end
-function new_async_socket(sock, resolver)
+local 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);
handler.settimeout = function () end
handler.setsockname = function (_, ...) return sock:setsockname(...); end
- handler.setpeername = function (_, ...) peername = (...); local ret = sock:setpeername(...); _:set_send(dummy_send); return ret; end
+ handler.setpeername = function (_, ...) peername = (...); local ret, err = sock:setpeername(...); _:set_send(dummy_send); return ret, err; end
handler.connect = function (_, ...) return sock:connect(...) end
--handler.send = function (_, data) _:write(data); return _.sendbuffer and _.sendbuffer(); end
handler.send = function (_, data)
- local getpeername = sock.getpeername;
- log("debug", "Sending DNS query to %s", (getpeername and getpeername(sock)) or "<unconnected>");
+ log("debug", "Sending DNS query to %s", peername);
return sock:send(data);
end
return handler;
dns.socket_wrapper_set(new_async_socket);
-return _M;
+return {
+ lookup = lookup;
+ cancel = cancel;
+ new_async_socket = new_async_socket;
+};