From d65fdf0ac9fd63b5e8625701690d6ff75db8a71e Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Wed, 24 Feb 2021 15:20:03 +0100
Subject: [PATCH] dnsdist: Also update the TTD on a 'write' IO update

---
 pdns/dnsdistdist/tcpiohandler-mplexer.hh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pdns/dnsdistdist/tcpiohandler-mplexer.hh b/pdns/dnsdistdist/tcpiohandler-mplexer.hh
index 0b85fe68ae..c7d0c26e09 100644
--- a/pdns/dnsdistdist/tcpiohandler-mplexer.hh
+++ b/pdns/dnsdistdist/tcpiohandler-mplexer.hh
@@ -85,6 +85,10 @@ public:
     }
     else if (iostate == IOState::NeedWrite) {
       if (d_currentState == IOState::NeedWrite) {
+        if (ttd) {
+          /* let's update the TTD ! */
+          d_mplexer->setWriteTTD(d_fd, *ttd, /* we pass 0 here because we already have a TTD */0);
+        }
         return;
       }
 
-- 
2.47.2