From c70ac331d23db3583e0db349056799eb9a25b6f7 Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Sat, 9 Sep 2017 14:45:23 +0100
Subject: mod_s2s: Add a counter for IPv6.

---
 plugins/mod_s2s/mod_s2s.lua | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/plugins/mod_s2s/mod_s2s.lua b/plugins/mod_s2s/mod_s2s.lua
index e85ec6bd..f1f88127 100644
--- a/plugins/mod_s2s/mod_s2s.lua
+++ b/plugins/mod_s2s/mod_s2s.lua
@@ -39,6 +39,7 @@ local secure_domains, insecure_domains =
 local require_encryption = module:get_option_boolean("s2s_require_encryption", false);
 
 local measure_connections = module:measure("connections", "amount");
+local measure_ipv6 = module:measure("ipv6", "amount");
 
 local sessions = module:shared("sessions");
 
@@ -48,10 +49,15 @@ local log = module._log;
 
 module:hook("stats-update", function ()
 	local count = 0;
-	for _ in pairs(sessions) do
+	local ipv6 = 0;
+	for _, session in pairs(sessions) do
 		count = count + 1;
+		if session.ip and session.ip:match(":") then
+			ipv6 = ipv6 + 1;
+		end
 	end
 	measure_connections(count);
+	measure_ipv6(ipv6);
 end);
 
 --- Handle stanzas to remote domains
-- 
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