From fea7eec14324f42cbba6d26066cff150d5fe0a7f Mon Sep 17 00:00:00 2001
From: Amos Jeffries <amosjeffries@squid-cache.org>
Date: Fri, 20 Feb 2026 23:18:04 +1300
Subject: [PATCH] Add Runner hooks for -k rotate event

---
 src/base/RunnersRegistry.h | 10 ++++++++++
 src/main.cc                |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/src/base/RunnersRegistry.h b/src/base/RunnersRegistry.h
index 93a2294879b..52677fc997e 100644
--- a/src/base/RunnersRegistry.h
+++ b/src/base/RunnersRegistry.h
@@ -70,6 +70,16 @@ class RegisteredRunner
     /// Meant for adjusting the module state based on configuration changes.
     virtual void syncConfig() {}
 
+    /* Log Rotation events */
+
+    /// Called after receiving a log rotate request.
+    /// Meant for modules that manage log files to rename/rotate them.
+    virtual void rotateLogs() {}
+
+    /// Called after rotating log files.
+    /// Meant for modules that need to (re-)attach to log files after rotation.
+    virtual void finishLogRotate() {}
+
     /* Shutdown events */
 
     /// Called after receiving a shutdown request and before stopping the main
diff --git a/src/main.cc b/src/main.cc
index c9ad17f905d..2bb05cfc580 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -944,6 +944,8 @@ mainRotate(void)
     if (AvoidSignalAction("log rotation", do_rotate))
         return;
 
+    RunRegisteredHere(RegisteredRunner::rotateLogs);
+
     icmpEngine.Close();
     redirectShutdown();
 #if USE_AUTH
@@ -959,6 +961,9 @@ mainRotate(void)
 #if ICAP_CLIENT
     icapLogRotate();               /*icap.log*/
 #endif
+
+    RunRegisteredHere(RegisteredRunner::finishLogRotate);
+
     icmpEngine.Open();
     redirectInit();
 #if USE_AUTH