Commit b6bb454

@@ -11,10 +11,10 @@ import (
 func Watch(domain string, die bool) error {
 
 	const (
-		_targetPort      uint16        = 25565
-		_checkInterval   time.Duration = time.Second * 5
-		_logInterval     time.Duration = time.Minute * 5
-		_inactiveTimeout time.Duration = time.Minute * 55
+		_targetPort     uint16        = 25565
+		_checkInterval  time.Duration = time.Second * 5
+		_logInterval    time.Duration = time.Minute * 5
+		_defaultTimeout time.Duration = time.Minute * 55
 	)
 
 	ticker := time.NewTicker(_checkInterval)
@@ -29,6 +29,7 @@ func Watch(domain string, die bool) error {
 	lastActive := time.Now()
 	lastLog := time.Now()
 	connections := -1 // log first active connection check
+	inactiveTimeout := _defaultTimeout
 	for {
 		select {
 		case <-ticker.C:
@@ -47,13 +48,14 @@ func Watch(domain string, die bool) error {
 			msg := "inactive"
 			details := []slog.Attr{
 				slog.String("duration", inactiveDuration.String()),
-				slog.String("timeout", _inactiveTimeout.String()),
+				slog.String("timeout", inactiveTimeout.String()),
 			}
 
 			// reset if active
 			if connections != 0 {
 				lastActive = time.Now()
 				inactiveDuration = 0
+				inactiveTimeout = _defaultTimeout
 				msg = "active"
 				details = []slog.Attr{
 					slog.Int("connections", connections),
@@ -66,7 +68,7 @@ func Watch(domain string, die bool) error {
 				lastLog = time.Now()
 			}
 
-			if inactiveDuration > _inactiveTimeout {
+			if inactiveDuration > inactiveTimeout {
 				if die {
 					msg = "inactive timeout: powering off"
 					slog.LogAttrs(context.Background(), slog.LevelInfo, msg, details...)
@@ -74,6 +76,7 @@ func Watch(domain string, die bool) error {
 				}
 				msg = "inactive timeout"
 				slog.LogAttrs(context.Background(), slog.LevelInfo, msg, details...)
+				inactiveTimeout = inactiveTimeout * 2
 			}
 		}
 	}