# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1610454308 -3600
# Node ID 2115496e82517b38ef411dab056e6bf9ce1715d1
# Parent  957d417eb56e354b27c4a671a25ae0ddff583a09
net.adns: Prevent empty packets from being sent on "connect" (fix #1619)

Thanks Ge0rG for testing

diff -r 957d417eb56e -r 2115496e8251 net/adns.lua
--- a/net/adns.lua	Sun Jan 10 14:54:03 2021 +0100
+++ b/net/adns.lua	Tue Jan 12 13:25:08 2021 +0100
@@ -50,6 +50,11 @@
 	if not handler then
 		return nil, err;
 	end
+	if handler.set then
+		-- server_epoll: only watch for incoming data
+		-- avoids sending empty packet on first 'onwritable' event
+		handler:set(true, false);
+	end
 
 	handler.settimeout = function () end
 	handler.setsockname = function (_, ...) return sock:setsockname(...); end