接收消息

lib/windows/code.dart

@@ -1,4 +1,6 @@
 // 定义密钥
+import 'dart:convert';
+
 List skey = [8, 1, 2, 5, 4];
 
 // 单个字符异或运算
@@ -11,8 +13,8 @@ String makecodeChar(String c, int key, int key2) {
 // 单个字符解密
 String cutcodeChar(String c, int key, int key2) {
   int charCode = c.codeUnitAt(0);
-  charCode = (((charCode - 1) ^ key) ^ key2) - key;
+  int decryptedCharCode = (((charCode - 1) ^ key) ^ key2) - key;
-  return String.fromCharCode(charCode);
+  return String.fromCharCode(decryptedCharCode);
 }
 
 // 加密
@@ -25,8 +27,13 @@ String makecode(String pstr, List pkey) {
 }
 
 // 解密
-void cutecode(String pstr, List pkey) {
+String cutecode(List<int> pstr) {
-  for (int i = 0; i < pstr.length; i++) {
+  print(pstr);
-    pstr = pstr.replaceRange(i, i + 1, cutcodeChar(pstr[i], pkey[i % 5], pkey[(i + 18) % 5]));
+  int len = pstr.length;
+  for (int i = 0; i < len; i++) {
+    pstr[i] = cutcodeChar(String.fromCharCode(pstr[i])
+        , skey[i % 5], skey[(i + 18) % 5]).codeUnitAt(0);
   }
+  print(pstr);
+  return String.fromCharCodes(pstr);
 }

lib/windows/socket_tool.dart

@@ -26,34 +26,56 @@ class Socket {
 
   RawDatagramSocket? socket;
 
+  // IC 0主机 1 从机
+  int ic = 1;
+
   connect() async {
-    socket = await RawDatagramSocket.bind('127.0.0.2', 1);
+    socket = await RawDatagramSocket.bind('127.0.0.3', 1);
     print('UDP Socket bound to ${socket?.address.address}:${socket?.port}');
 
+    // 发送身份包
+    Map data = {
+      "op": 0,
+      "IC": ic
+    };
+    socket?.send(dataMake(data), InternetAddress(url), port);
+
     // 监听来自网络的数据包
     socket?.listen((RawSocketEvent e) {
       Datagram? d = socket?.receive();
       if (d == null) return;
-
+      print(d.data.toList());
       // String message = String.fromCharCodes(d.data).trim();
-      // print('Datagram from ${d.address.address}:${d.port}: $message');
+
+      Map data = dataCute(d.data);
+
+
     });
 
-    heartbeat();
   }
 
   /// 发送消息
   sendMessage(Map data){
-    socket?.send(dataMake(data), InternetAddress(url), port);
+    Map messageMap = {
+      "op": 2,
+      "value": data
+    };
+    socket?.send(dataMake(messageMap), InternetAddress(url), port);
   }
 
 
   /// 心跳
   heartbeat(){
-    Timer timer = Timer(const Duration(seconds: 10), () {
+    Timer timer = Timer(const Duration(seconds: 10), () async {
+
+      if (socket == null){
+        // 重连
+        await connect();
+      }
+
       Map data =   {
         "op": 1,
-        "IC": 0
+        "IC": ic
       };
       socket?.send(dataMake(data), InternetAddress(url), port);
 
@@ -74,4 +96,21 @@ class Socket {
     return uinData.toList();
   }
 
+  /// 接收数据处理
+  Map dataCute(Uint8List data){
+
+    if (data.length <= 4) return {};
+
+    Uint8List pData = data.sublist(4,data.length);
+
+    // String ps = String.fromCharCodes(pData);
+
+    String str = cutecode(pData);
+    print(str);
+
+    Map map = json.decode(str);
+
+    return map;
+  }
+
 }

lib/windows/windows_main_page.dart

@@ -24,6 +24,9 @@ class _WindowsPageState extends State<WindowsPage> {
   void initState() {
     super.initState();
 
+    SocketUtils.getInstance().connect();
+    SocketUtils.getInstance().heartbeat();
+
     controllerInit();
   }
 
@@ -42,8 +45,6 @@ class _WindowsPageState extends State<WindowsPage> {
   @override
   Widget build(BuildContext context) {
 
-    SocketUtils.getInstance().connect();
-
     if (initDone == false) return Container();
 
     return Scaffold(