# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1637066238 -3600
# Node ID 75d69e4c54a2e208033f8535a1015cff07c61c3f
# Parent  037b2c019f586a20f52115343d09d3f14c9019b4
mod_csi_simple: Unlock writes after event, to allow things to be queued

E.g. mod_smacks could queue an <r>, which would be more likely to be
included in the same write and TCP segment as the previously buffered
data, reducing syscalls and network packets needing to be sent.

diff -r 037b2c019f58 -r 75d69e4c54a2 plugins/mod_csi_simple.lua
--- a/plugins/mod_csi_simple.lua	Tue Nov 16 12:57:23 2021 +0000
+++ b/plugins/mod_csi_simple.lua	Tue Nov 16 13:37:18 2021 +0100
@@ -124,9 +124,9 @@
 		end
 		flush_reasons:with_labels(why or "important"):add(1);
 		session.log("debug", "Flushing buffer (%s; queue size is %d)", why or "important", session.csi_counter);
-		session.conn:resume_writes();
 		session.state = "flushing";
 		module:fire_event("csi-flushing", { session = session });
+		session.conn:resume_writes();
 	else
 		session.log("debug", "Holding buffer (%s; queue size is %d)", why or "unimportant", session.csi_counter);
 		stanza = with_timestamp(stanza, jid.join(session.username, session.host))