# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1615915505 -3600
# Node ID d96e24bd54e18634562ac1b421c45bb644d3bafc
# Parent  3eef052c72d82f3911d305eb9ce2ce85059f2c48
mod_s2s: Advertise stanza size limit to other servers

So they can, like, not send big stanzas.

diff -r 3eef052c72d8 -r d96e24bd54e1 plugins/mod_s2s.lua
--- a/plugins/mod_s2s.lua	Tue Mar 16 18:17:05 2021 +0100
+++ b/plugins/mod_s2s.lua	Tue Mar 16 18:25:05 2021 +0100
@@ -518,6 +518,11 @@
 			end
 
 			if ( session.type == "s2sin" or session.type == "s2sout" ) or features.tags[1] then
+				if stanza_size_limit then
+					features:reset();
+					features:tag("stanza-size-limit", { xmlns = "xmpp:prosody.im/stream/limits", bytes = string.format("%d", stanza_size_limit) });
+				end
+
 				log("debug", "Sending stream features: %s", features);
 				session.sends2s(features);
 			else