157 lines
3.4 KiB
Dart
157 lines
3.4 KiB
Dart
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:common/utils/toast_utils.dart';
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import 'package:web_synchronization_tool/windows/socket_tool.dart';
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import '../windows/code.dart';
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class LoginSocketUtils extends LoginSocket {
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// 私有构造函数
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LoginSocketUtils._();
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// 私有静态变量，保存类的唯一实例
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static LoginSocketUtils? _instance;
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// 公开的静态方法，返回类的唯一实例
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static LoginSocketUtils getInstance() {
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_instance ??= LoginSocketUtils._();
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return _instance!;
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}
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}
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typedef loginBlockFun = Function(Map);
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class LoginSocket{
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String url = '192.168.200.17';
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static int port = 37785;
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String uuid = '';
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RawDatagramSocket? socket;
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int heartTime = 0;
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connect() async {
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socket = await RawDatagramSocket.bind(InternetAddress.anyIPv4, 0);
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// 监听来自网络的数据包
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socket?.listen((RawSocketEvent e) {
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Datagram? d = socket?.receive();
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if (d == null) return;
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print(d.data);
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Map data = json.decode(cutecode(d.data));// dataCute();
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print(data);
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// 登录结果
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if (data['op'] == 2){
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loginBlock(data);
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}
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// 服务器心跳
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if (data['op'] == 4){
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try{
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if(data['time']> (3 * 60 * 1000) ){ // 时间戳 > 3分钟
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socketError();
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}
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}catch(e){
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socketError();
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}
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}
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});
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// 设置超时时间为30秒
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socket?.timeout(const Duration(seconds: 30), onTimeout: (eventSink) {
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ToastUtils.dismissLoading();
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ToastUtils.showToast('连接超时');
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eventSink.close(); // 关闭套接字
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});
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}
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socketError(){
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/// 任何错误都显示这个
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ToastUtils.showLoading(msg: '重连中');
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/// 关闭同步 socket
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SocketUtils.getInstance().socket?.close();
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}
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late loginBlockFun loginBlock;
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login(String account,String passwoord,loginBlockFun blockFun){
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loginBlock = blockFun;
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Map map = {
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'account':account,
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'passwoord':passwoord,
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'uuid':uuid // 默认0， 需要c盘 硬盘序列号
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};
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List<int> data = jsonEncode(map).codeUnits;
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socket?.send(data, InternetAddress(url), port);
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}
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/// 心跳
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heartbeat(){
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DateTime now = DateTime.now();
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int timestamp = now.millisecondsSinceEpoch; // 秒
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heartTime = timestamp;
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Timer timer = Timer(const Duration(seconds: 20), () async {
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if (socket == null){
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// 重连
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await connect();
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}
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Map map = {
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"op": 3,
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};
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List<int> data = jsonEncode(map).codeUnits;
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socket?.send(data, InternetAddress(url), port);
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heartbeat();
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});
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}
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// /// 发送数据的处理
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// List<int> dataMake(Map map){
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// // 将Map对象转换为JSON字符串
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// String json = jsonEncode(map);
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// // 加密
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// String ps = makecode(json, skey);
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// // 转成无符号整数数组
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// Uint8List uinData = Uint8List.fromList(ps.codeUnits);
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// // 在前面添加 4位 表示长度的小端序
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// uinData = uinData.toLittle(value: uinData.length);
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// return uinData.toList();
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// }
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//
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// /// 接收数据处理
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// Map dataCute(Uint8List data){
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//
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// if (data.length <= 4) return {};
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//
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// Uint8List pData = data.sublist(4,data.length);
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//
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// String str = cutecode(pData);
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//
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// Map map = json.decode(str);
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//
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// return map;
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// }
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}
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