增加待机报文缓存，无网状态也能执行待机任务；投影仪指令结果以设备状态为准

leaf/leaf.go

@@ -12,6 +12,7 @@ type Router interface {
 	RegisterHandler(string, ...HandlerFunc)
 	UnregisterHandler(string)
 	Route(*packets.Publish)
+	HandlerRun(t string, p *paho.Publish) bool
 	SetDebugLogger(log.Logger)
 	Use(...HandlerFunc)
 }
@@ -92,6 +93,21 @@ func (e *Engine) UnregisterHandler(topic string) {
 	delete(e.subscriptions, topic)
 }
 
+func (e *Engine) HandlerRun(t string, p *paho.Publish) bool {
+	for route, handlers := range e.subscriptions {
+		if match(route, t) {
+			e.debug.Println("found handler for:", route)
+			e.queueWg.Add(1)
+			go func() {
+				defer e.queueWg.Done()
+				WithLeafContext(e.ctx, p, e, handlers).Next()
+			}()
+			return true
+		}
+	}
+	return false
+}
+
 func (e *Engine) Route(pb *packets.Publish) {
 	e.debug.Println("routing message for:", pb.Topic)
 	e.mu.Lock()
@@ -115,18 +131,7 @@ func (e *Engine) Route(pb *packets.Publish) {
 		topic = m.Topic
 	}
 
-	handlerCalled := false
-	for route, handlers := range e.subscriptions {
-		if match(route, topic) {
-			e.debug.Println("found handler for:", route)
-			e.queueWg.Add(1)
-			go func() {
-				defer e.queueWg.Done()
-				WithLeafContext(e.ctx, m, e, handlers).Next()
-			}()
-			handlerCalled = true
-		}
-	}
+	handlerCalled := e.HandlerRun(topic, m)
 
 	if !handlerCalled && e.defaultHandler != nil {
 		e.queueWg.Add(1)