🍕 Sync 2026-09-14 23:30:37

daed/files/daed.init

@@ -1,5 +1,7 @@
 #!/bin/sh /etc/rc.common
 # Copyright (C) 2023 Tianling Shen <cnsztl@immortalwrt.org>
+# daed-guard handles bounded child shutdown and post-exit netns/veth cleanup.
+# Keep the log file and a pre-stop state snapshot for diagnostics.
 
 USE_PROCD=1
 START=99
@@ -10,18 +12,28 @@ LOG="/var/log/daed/daed.log"
 
 . /usr/share/daed/cleanup.sh
 
+log() {
+	logger -t daed-init "$@"
+}
+
 start_service() {
+	log "start: begin"
 	config_load "$CONF"
 
 	local enabled
 	config_get_bool enabled "config" "enabled" "0"
-	[ "$enabled" -eq "1" ] || return 1
+	if [ "$enabled" -ne "1" ]; then
+		log "start: config disabled, exit"
+		return 1
+	fi
 
 	local listen_addr log_maxbackups log_maxsize
 	config_get listen_addr "config" "listen_addr" "0.0.0.0:2023"
 	config_get log_maxbackups "config" "log_maxbackups" "1"
 	config_get log_maxsize "config" "log_maxsize" "5"
 
+	log "start: listen=$listen_addr log_maxbackups=$log_maxbackups log_maxsize=$log_maxsize"
+
 	procd_open_instance "$CONF"
 	procd_set_param env DAE_LOCATION_ASSET="/usr/share/v2ray" TZ="$(uci -q get system.@system[0].zonename)"
 	procd_set_param command "$PROG" run
@@ -33,25 +45,37 @@ start_service() {
 
 	procd_set_param limits core="unlimited"
 	procd_set_param limits nofile="1000000 1000000"
-	# Avoid an endless crash/respawn loop which can repeatedly reattach dae's
-	# data-plane hooks and make the router management plane unreachable.
-	procd_set_param respawn 3600 5 5
+	# daed-guard escalates its child after 20 seconds. Leave time for
+	# reap and post-exit cleanup before procd kills the wrapper.
+	procd_set_param term_timeout 30
+	# procd_set_param respawn: arguments are (threshold, timeout, retry).
+	#   threshold = runtime that resets the short-lived exit counter
+	#   timeout   = seconds to wait between retries
+	#   retry     = maximum short-lived exits before procd gives up
+	# Reset the counter after one hour of stable runtime; otherwise retry
+	# after 5 seconds and stop after 10 failures.
+	procd_set_param respawn 3600 5 10
+	# daed-guard sets oom_score_adj before forking; procd has no
+	# oom_adj/oom_score_adj parameter.
 	# procd_set_param stdout 1
 	procd_set_param stderr 1
 
 	procd_close_instance
+	log "start: procd_open_instance done"
 }
 
 stop_service() {
-	rm -f "$LOG"
-	daed_cleanup_runtime
-}
-
-restart() {
-	stop
-	sleep 1
-	daed_cleanup_runtime
-	start
+	log "stop: begin"
+	# Cleanup runs in daed-guard after its child exits. Record only a
+	# pre-stop snapshot here; pin entries do not prove TC attachment.
+	local pinned="" ns_left=""
+	if [ -d /sys/fs/bpf/daed ]; then
+		pinned=$(ls /sys/fs/bpf/daed 2>/dev/null | tr '\n' ' ')
+	fi
+	if ip netns list 2>/dev/null | grep -q '^daens'; then
+		ns_left="daens"
+	fi
+	log "stop: pre-stop state — bpf_pin_entries=[${pinned:-none}] netns_left=[${ns_left:-none}]"
 }
 
 service_triggers() {