--- a/plugins/mod_s2s_bidi.lua	Fri Aug 09 20:23:46 2024 +0200
+++ b/plugins/mod_s2s_bidi.lua	Sun Aug 11 17:25:47 2024 +0200
@@ -12,10 +12,15 @@
 
 local require_encryption = module:get_option_boolean("s2s_require_encryption", true);
 
+local offers_sent = module:metric("counter", "offers_sent", "", "Bidirectional connection offers sent");
+local offers_recv = module:metric("counter", "offers_recv", "", "Bidirectional connection offers received");
+local offers_taken = module:metric("counter", "offers_taken", "", "Bidirectional connection offers taken");
+
 module:hook("s2s-stream-features", function(event)
 	local origin, features = event.origin, event.features;
 	if origin.type == "s2sin_unauthed" and (not require_encryption or origin.secure) then
 		features:tag("bidi", { xmlns = xmlns_bidi_feature }):up();
+		offers_sent:with_labels():add(1);
 	end
 end);
 
@@ -28,6 +33,7 @@
 			local request_bidi = st.stanza("bidi", { xmlns = xmlns_bidi });
 			module:fire_event("s2sout-stream-features", { origin = session, features = request_bidi });
 			session.sends2s(request_bidi);
+			offers_taken:with_labels():add(1);
 		end
 	end
 end, 200);
@@ -36,6 +42,7 @@
 	if session.type == "s2sin_unauthed" and (not require_encryption or session.secure) then
 		session.log("debug", "Requested bidirectional stream");
 		session.outgoing = true;
+		offers_recv:with_labels():add(1);
 		return true;
 	end
 end);