net.server_epoll: Fix link function to not replace listeners

mod_proxy65 calls link twice, once for each direction. This would
overwrite the listeners with one that has the previous listeners as
metatable.__index, but none of the others.

This takes advantage of 94c584d67533 to improve this.

1 files changed, 5 insertions, 9 deletions

diff --git a/net/server_epoll.lua b/net/server_epoll.lua
index c2eb7b1c..d2964888 100644
--- a/net/server_epoll.lua
+++ b/net/server_epoll.lua
@@ -793,17 +793,13 @@ end;
 -- Dump all data from one connection into another
 local function link(from, to, read_size)
 	from:debug("Linking to %s", to.id);
-	from.listeners = setmetatable({
-		onincoming = function (_, data)
-			from:pause();
+	function from:onincoming(data)
+		self:pause();
 			to:write(data);
-		end,
-	}, {__index=from.listeners});
-	to.listeners = setmetatable({
-		ondrain = function ()
+	end
+	function to:ondrain()
 			from:resume();
-		end,
-	}, {__index=to.listeners});
+	end
 	from:set_mode(read_size);
 	from:set(true, nil);
 	to:set(nil, true);