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  • WebSocket服务端和客户端使用

    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Linq;
    using System.Net;
    using System.Net.WebSockets;
    using System.Text;
    using System.Threading;
    using System.Threading.Tasks;
    using WindowsServiceTest;

    namespace WindowsService
    {
    /// <summary>
    /// 客户端的通讯公共类对象
    /// </summary>
    public class WindowsOSHelperUtils
    {

    bool isStarted = false;
    public static void StartListen()
    {
    //线程启动监听服务
    Thread thread = new Thread(new ThreadStart(ServerMethod));
    thread.IsBackground = true;
    thread.Start();
    }
    public static async void ServerMethod()
    {
    try
    {
    while (true)
    {
    try
    {
    //listener = new HttpListener();
    //listener.Prefixes.Add("http://+:" + Port + "/");
    //listener.Start();
    var listen = new HttpListener();
    listen.Prefixes.Add("http://192.168.1.201:1234/");
    listen.Start();
    }
    catch (Exception e)
    {
    Thread.Sleep(1000);
    }

    try
    {
    while (true)
    {
    //ArraySegment<Byte> buffer = new ArraySegment<byte>(new Byte[8192]);
    //接收数据
    byte[] abuf = new byte[8192];
    var wsdata = await ws.ReceiveAsync(new ArraySegment<byte>(abuf), new CancellationToken());
    Console.WriteLine(wsdata.Count);
    byte[] bRec = new byte[wsdata.Count];
    Array.Copy(abuf, bRec, wsdata.Count);
    Console.WriteLine(Encoding.Default.GetString(bRec));
    }
    }
    catch (Exception e)
    {
    }
    }
    }
    catch (Exception e)
    {
    }

    //ok的代码下面ian

    //var content = listen.GetContext();
    //var wsContext = await content.AcceptWebSocketAsync(null);
    //var ws = wsContext.WebSocket;

    ////ArraySegment<Byte> buffer = new ArraySegment<byte>(new Byte[8192]);
    ////接收数据
    //byte[] abuf = new byte[8192];
    //var wsdata = await ws.ReceiveAsync(new ArraySegment<byte>(abuf), new CancellationToken());
    //Console.WriteLine(wsdata.Count);
    //byte[] bRec = new byte[wsdata.Count];
    //Array.Copy(abuf, bRec, wsdata.Count);
    //Console.WriteLine(Encoding.Default.GetString(bRec));


    //ClientWebSocket cln = new ClientWebSocket();
    //cln.ConnectAsync(new Uri("ws://192.168.1.201:3344/"), new CancellationToken()).Wait();
    //byte[] bytess = Encoding.Default.GetBytes($"login#{name}#{no}#{level}#{imagestring}");
    //cln.SendAsync(new ArraySegment<byte>(bytess), WebSocketMessageType.Text, true, new CancellationToken()).Wait();
    //string returnValue = await GetAsyncValue(cln);//异步方法
    //return returnValue;
    }

    public static async Task<string> Login(string name, string no, string level, string imagestring)
    {
    ClientWebSocket cln = new ClientWebSocket();
    cln.ConnectAsync(new Uri(FunctionBaseClass.SocketUrl), new CancellationToken()).Wait();
    byte[] bytess = Encoding.Default.GetBytes($"login#{name}#{no}#{level}#{imagestring}");
    cln.SendAsync(new ArraySegment<byte>(bytess), WebSocketMessageType.Binary, true, new CancellationToken()).Wait();
    string returnValue = await GetAsyncValue(cln);//异步方法
    return returnValue;
    }


    public static async Task<string> EvaluateWithReasons()
    {
    ClientWebSocket cln = new ClientWebSocket();
    cln.ConnectAsync(new Uri(FunctionBaseClass.SocketUrl), new CancellationToken()).Wait();
    byte[] bytess = Encoding.Default.GetBytes($"asses");
    cln.SendAsync(new ArraySegment<byte>(bytess), WebSocketMessageType.Binary, true, new CancellationToken()).Wait();
    string returnValue = await GetAsyncValue(cln);//异步方法
    return returnValue;
    }


    public static async Task<string> FaceValidateWithIdCard()
    {
    //FaceValidateWithIdCard faceValidateWithIdCard = (FaceValidateWithIdCard)command;
    ClientWebSocket cln = new ClientWebSocket();
    cln.ConnectAsync(new Uri(FunctionBaseClass.SocketUrl), new CancellationToken()).Wait();
    byte[] bytess = Encoding.Default.GetBytes($"begin");
    cln.SendAsync(new ArraySegment<byte>(bytess), WebSocketMessageType.Binary, true, new CancellationToken()).Wait();
    string returnValue = await GetAsyncValue(cln);//异步方法
    return returnValue;
    }

    public static async Task<string> GetAsyncValue(ClientWebSocket clientWebSocket)
    {
    string returnValue = null;
    ArraySegment<Byte> buffer = new ArraySegment<byte>(new Byte[8192]);
    WebSocketReceiveResult result = null;
    using (var ms = new MemoryStream())
    {
    do
    {
    result = await clientWebSocket.ReceiveAsync(buffer, CancellationToken.None);
    ms.Write(buffer.Array, buffer.Offset, result.Count);
    }
    while (!result.EndOfMessage);
    ms.Seek(0, SeekOrigin.Begin);
    if (result.MessageType == WebSocketMessageType.Text)
    {
    using (var reader = new StreamReader(ms, Encoding.UTF8))
    {
    returnValue = reader.ReadToEnd();
    //Console.WriteLine(returnValue);
    }
    }
    }
    return returnValue;
    }
    }
    }

    调用websocket方法

    WindowsOSHelperUtils.StartListen();
    string returnvalue = WindowsOSHelperUtils.Login(userName, userNo, "5", byteString).Result;

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  • 原文地址:https://www.cnblogs.com/1175429393wljblog/p/9914295.html
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