net.adns: remove unused local variables t_insert and t_remove [luacheck]

[prosody.git] / net / adns.lua

diff --git a/net/adns.lua b/net/adns.lua
index 87f2876b1f84b5102425b1d896e5718dbe1ce117..0b7247edfaa01a2f6eb494ea3a19ffa84658fb74 100644 (file)
--- a/net/adns.lua
+++ b/net/adns.lua
@@ -11,14 +11,13 @@ local dns = require "net.dns";
 
 local log = require "util.logger".init("adns");
 
-local t_insert, t_remove = table.insert, table.remove;
 local coroutine, tostring, pcall = coroutine, tostring, pcall;
 
 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);
@@ -43,12 +42,12 @@ function lookup(handler, qname, qtype, qclass)
                        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 = {};
@@ -88,4 +87,8 @@ end
 
 dns.socket_wrapper_set(new_async_socket);
 
-return _M;
+return {
+       lookup = lookup;
+       cancel = cancel;
+       new_async_socket = new_async_socket;
+};