From 1c445a43b4f0fc8cbe67879e297492d0f67a5568 Mon Sep 17 00:00:00 2001
From: Dominik Dzienia <dominik.dzienia@gmail.com>
Date: Mon, 9 Mar 2026 17:10:11 +0100
Subject: [PATCH] Refactor watchdog logic to implement host-based delay in
 watchdog_run function

---
 src/commandline.sh    | 2 +-
 src/logic_watchdog.sh | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/commandline.sh b/src/commandline.sh
index 924cf94..66ae28a 100644
--- a/src/commandline.sh
+++ b/src/commandline.sh
@@ -200,6 +200,6 @@ parse_commandline_args() {
 	if [ "$WATCHDOGMODE" = "true" ]; then
 		startup_version
 		startup_debug
-		watchdog_check
+		watchdog_run
 	fi
 }
diff --git a/src/logic_watchdog.sh b/src/logic_watchdog.sh
index de36fe0..4e74be7 100644
--- a/src/logic_watchdog.sh
+++ b/src/logic_watchdog.sh
@@ -160,6 +160,15 @@ get_watchdog_status() {
 
 }
 
+watchdog_run() {
+	local host_hash
+	host_hash=$(printf '%s' "$(hostname)" | md5sum | awk '{print $1}' | cut -c1-8 | xargs printf '%d' 16 16)
+	local offset=$(( host_hash % 300 ))
+	echo "Watchdog delay: sleeping ${offset}s (host-based offset)"
+	sleep "$offset"
+	watchdog_check
+}
+
 watchdog_check() {
 	echo "---------------------------"
 	echo " Nightscout Watchdog mode"