From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Mon, 1 Sep 2025 10:22:06 +0000 (+0200)
Subject: dnsdist: Refresh configuration after `recv` which may have blocked for a long time
X-Git-Tag: dnsdist-2.0.1^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6131c9689bc12e6a0025263e3c8ee963978cca9c;p=thirdparty%2Fpdns.git

dnsdist: Refresh configuration after `recv` which may have blocked for a long time

Signed-off-by: Remi Gacogne <remi.gacogne@powerdns.com>
(cherry picked from commit 4f70dcdd60826448b4bcad5a44335de0c45dbeea)
---

diff --git a/pdns/dnsdistdist/dnsdist.cc b/pdns/dnsdistdist/dnsdist.cc
index 6c0cc94be..e75ac1a7c 100644
--- a/pdns/dnsdistdist/dnsdist.cc
+++ b/pdns/dnsdistdist/dnsdist.cc
@@ -792,8 +792,6 @@ void responderThread(std::shared_ptr<DownstreamState> dss)
           break;
         }
 
-        dnsdist::configuration::refreshLocalRuntimeConfiguration();
-
         for (const auto& sockDesc : sockets) {
           /* allocate one more byte so we can detect truncation */
           // NOLINTNEXTLINE(bugprone-use-after-move): resizing a vector has no preconditions so it is valid to do so after moving it
@@ -822,6 +820,7 @@ void responderThread(std::shared_ptr<DownstreamState> dss)
             continue;
           }
 
+          dnsdist::configuration::refreshLocalRuntimeConfiguration();
           if (processResponderPacket(dss, response, std::move(*ids)) && ids->isXSK() && ids->cs->xskInfoResponder) {
 #ifdef HAVE_XSK
             auto& xskInfo = ids->cs->xskInfoResponder;