登录被顶 超时

lib/login/login_socket_utils.dart

@@ -43,8 +43,9 @@ class LoginSocket{
 
 
   connect() async {
-
+    socket?.close();
     socket = await Socket.connect(url, port, timeout: const Duration(seconds: 30));
+    heartTime = DateTime.now().millisecondsSinceEpoch;
 
     socket?.listen((event) {
 
@@ -58,6 +59,11 @@ class LoginSocket{
       // 服务器心跳
       if (data['op'] == 4){
         try{
+
+          // 更新上次心跳时间
+          heartTime = DateTime.now().millisecondsSinceEpoch;
+
+          // 心跳回报时间是否超时
           int time = data['time'];
           time = DateTime.now().millisecondsSinceEpoch - time;
           if(time> (3 * 60 * 1000) ){ // 时间戳 > 3分钟
@@ -107,17 +113,17 @@ class LoginSocket{
 
   /// 心跳
   heartbeat(){
-    DateTime now = DateTime.now();
-    int timestamp = now.millisecondsSinceEpoch; // 秒
-    heartTime = timestamp;
 
     Timer(const Duration(seconds: 20), () async {
 
-      if (socket == null){
-        // 重连
-        await connect();
+      final time = DateTime.now().millisecondsSinceEpoch - heartTime;
+      if(time > (3 * 60 * 1000) ){ // 时间戳 > 3分钟
+        socketError();
+        return;
       }
 
+      heartbeat();
+
       Map map =   {
         "op": 3,
       };
@@ -125,8 +131,6 @@ class LoginSocket{
       socket?.add(dataMake(map));
       socket?.flush();
 
-      heartbeat();
-
     });
   }