From 953b24c0ca0d5245a54828d4ce4619262f0e80a7 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Thu, 30 May 2013 14:32:40 +0200
Subject: mod_c2s, mod_c2s: Send a whitespace on read timeout, to prod TCP into
 detecting if the connection died

---
 plugins/mod_s2s/mod_s2s.lua | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'plugins/mod_s2s/mod_s2s.lua')

diff --git a/plugins/mod_s2s/mod_s2s.lua b/plugins/mod_s2s/mod_s2s.lua
index ab5b7232..309940cf 100644
--- a/plugins/mod_s2s/mod_s2s.lua
+++ b/plugins/mod_s2s/mod_s2s.lua
@@ -624,6 +624,13 @@ function listener.ondisconnect(conn, err)
 	end
 end
 
+function listener.onreadtimeout(conn)
+	local session = sessions[conn];
+	if session then
+		return session.sends2s(' ');
+	end
+end
+
 function listener.register_outgoing(conn, session)
 	session.direction = "outgoing";
 	sessions[conn] = session;
-- 
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