This article is a brief description of the process of real-time communication server and the client Websocket, Websocket service and client specific use Websocket uses two kinds of server and two clients.
The following code using Visual Studio 2019 Enterprise edition, console project using .NETFramework, Version = v4.7.2, and in order to facilitate debugging, do the log4net log processing, use log4net logs can Baidu
Websocket server
1, the new project ConsoleWebsocketServer
2, right-project management Nuget package ,, search SuperWebSocketNETServer, you can add
3, the new folder ServerEntities, and then added under the folder and ConsoleAppWebsocketServer HttpAndWebsocket these two categories, as follows
HttpAndWebsocket class
using System;
using System.Net;
using System.Net.WebSockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace ConsoleWebsocketServer.ServerEntities
{
public class HttpAndWebsocket
{
public async void Start(string url)
{
string url1 = "http://+:80/";
int Port = 1234;
HttpListener httpListener = new HttpListener();
httpListener.Prefixes.Add("http://+:" + Port + "/");
httpListener.Start();
while (true)
{
try
{
HttpListenerContext httpListenerContext = await httpListener.GetContextAsync();
try
{
if (httpListenerContext.Request.IsWebSocketRequest)
{
ProcessRequest(httpListenerContext);
}
}
catch (Exception)
{
httpListenerContext.Response.StatusCode = 400;
httpListenerContext.Response.Close();
}
}
catch (Exception)
{
throw;
}
}
}
private async void ProcessRequest(HttpListenerContext listenerContext)
{
HttpListenerWebSocketContext httpListenerWebSocket;
try
{
httpListenerWebSocket = await listenerContext.AcceptWebSocketAsync(null);
}
catch (Exception)
{
listenerContext.Response.StatusCode = 500;
listenerContext.Response.Close();
return;
}
WebSocket webSocket = httpListenerWebSocket.WebSocket;
try
{
while (webSocket.State == WebSocketState.Open)
{
byte[] returnBytes = new byte[10240];
WebSocketReceiveResult webSocketReceiveResult = await webSocket.ReceiveAsync(new ArraySegment<byte>(returnBytes), CancellationToken.None);
string ReceivesData = Encoding.UTF8.GetString(returnBytes, 0, webSocketReceiveResult.Count);
ReceivesData = $"我已经收到数据：{ReceivesData}";
returnBytes = Encoding.UTF8.GetBytes(ReceivesData);
await webSocket.SendAsync(new ArraySegment<byte>(returnBytes), WebSocketMessageType.Text, true, CancellationToken.None);
await Task.Delay(TimeSpan.FromSeconds(3));
}
}
catch (Exception)
{
throw;
}
finally
{
if (webSocket != null)
{
webSocket.Dispose();
}
}
}
}
}
ConsoleAppWebsocketServer类
using SuperWebSocket;
using System;
using System.Web;
namespace ConsoleWebsocketServer.ServerEntities
{
/// <summary>
/// SuperWebSocket服务端
/// </summary>
public class ConsoleAppWebsocketServer
{
public static WebSocketServer ws = null;
public void Start()
{
ws = new WebSocketServer();
ws.NewSessionConnected += Ws_NewSessionConnected;
ws.NewMessageReceived += Ws_NewMessageReceived;
ws.SessionClosed += Ws_SessionClosed;
if (!ws.Setup("127.0.0.1", 1234))
{
Console.WriteLine("ChatWebSocket 设置WebSocket服务侦听地址失败");
return;
}
if (!ws.Start())
{
Console.WriteLine("ChatWebSocket 启动WebSocket服务侦听失败");
return;
}
while (true)
{
}
}
public void Ws_NewSessionConnected(WebSocketSession session)
{
Console.WriteLine("{0:HH:MM:ss} 与客户端:{1}创建新会话", DateTime.Now, GetSessionName(session));
var msg = string.Format("{0:HH:MM:ss} {1} 进入聊天室", DateTime.Now, GetSessionName(session));
SendToAll(session, msg);
}
private void Ws_NewMessageReceived(WebSocketSession session, string value)
{
var msg = string.Format("{0:HH:MM:ss} {1} 说: {2}", DateTime.Now, GetSessionName(session), value);
Console.WriteLine($"{msg}");
SendToAll(session, msg);
}
public void Ws_SessionClosed(WebSocketSession session, SuperSocket.SocketBase.CloseReason value)
{
Console.WriteLine("{0:HH:MM:ss} 与客户端:{1}的会话被关闭 原因：{2}", DateTime.Now, GetSessionName(session), value);
var msg = string.Format("{0:HH:MM:ss} {1} 离开聊天室", DateTime.Now, GetSessionName(session));
SendToAll(session, msg);
}
/// <summary>
/// 启动服务
/// </summary>
/// <returns></returns>
public void StartWebsocket()
{
if (!ws.Setup("127.0.0.1", 1234))
{
Console.WriteLine("ChatWebSocket 设置WebSocket服务侦听地址失败");
return;
}
if (!ws.Start())
{
Console.WriteLine("ChatWebSocket 启动WebSocket服务侦听失败");
return;
}
Console.WriteLine("ChatWebSocket 启动服务成功");
}
/// <summary>
/// 停止侦听服务
/// </summary>
public void Stop()
{
if (ws != null)
{
ws.Stop();
}
}
public string GetSessionName(WebSocketSession session)
{
return HttpUtility.UrlDecode(session.Path.TrimStart('/'));
}
public void SendToAll(WebSocketSession session, string msg)
{
foreach (var sendSession in session.AppServer.GetAllSessions())
{
sendSession.Send(msg);
}
}
}
}
4、ConsoleWebsocketServer的Program.cs 代码如下
using ConsoleWebsocketServer.ServerEntities;
using SuperWebSocket;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
namespace ConsoleWebsocketServer
{
class Program
{
public static WebSocketServer ws = null;
static void Main(string[] args)
{
#region 启动http服务接受websocket请求
Console.WriteLine("启动http服务的WebSocket服务");
HttpAndWebsocket httpAndWebsocket = new HttpAndWebsocket();
httpAndWebsocket.Start("ws://127.0.0.1:1234");
Console.WriteLine("ChatWebSocket 启动服务成功");
Console.WriteLine("按 Enter 退出...");
Console.ReadKey();
#endregion
#region 启动websocket服务接受websocket请求
//Console.WriteLine("WebSocket服务");
//ws = new WebSocketServer();
//ws.NewSessionConnected += Ws_NewSessionConnected;
//ws.NewMessageReceived += Ws_NewMessageReceived;
//ws.SessionClosed += Ws_SessionClosed;
//if (!ws.Setup("127.0.0.1", 1234))
//{
// Console.WriteLine("ChatWebSocket 设置WebSocket服务侦听地址失败");
// return;
//}
//if (!ws.Start())
//{
// Console.WriteLine("ChatWebSocket 启动WebSocket服务侦听失败");
// return;
//}
//Console.WriteLine("ChatWebSocket 启动服务成功");
//Console.WriteLine("按 Enter 推出...");
//Console.ReadKey();
//ws.Stop();
#endregion
}
public static void Ws_NewSessionConnected(WebSocketSession session)
{
Console.WriteLine("{0:HH:MM:ss} 与客户端:{1}创建新会话", DateTime.Now, GetSessionName(session));
var msg = string.Format("{0:HH:MM:ss} {1} 进入聊天室", DateTime.Now, GetSessionName(session));
SendToAll(session, msg);
}
private static void Ws_NewMessageReceived(WebSocketSession session, string value)
{
var msg = string.Format("{0:HH:MM:ss} {1} 说: {2}", DateTime.Now, GetSessionName(session), value);
Console.WriteLine($"{msg}");
SendToAll(session, msg);
}
public static void Ws_SessionClosed(WebSocketSession session, SuperSocket.SocketBase.CloseReason value)
{
Console.WriteLine("{0:HH:MM:ss} 与客户端:{1}的会话被关闭 原因：{2}", DateTime.Now, GetSessionName(session), value);
var msg = string.Format("{0:HH:MM:ss} {1} 离开聊天室", DateTime.Now, GetSessionName(session));
SendToAll(session, msg);
}
/// <summary>
/// 启动服务
/// </summary>
/// <returns></returns>
public static void Start()
{
if (!ws.Setup("127.0.0.1", 1234))
{
Console.WriteLine("ChatWebSocket 设置WebSocket服务侦听地址失败");
return;
}
if (!ws.Start())
{
Console.WriteLine("ChatWebSocket 启动WebSocket服务侦听失败");
return;
}
Console.WriteLine("ChatWebSocket 启动服务成功");
}
/// <summary>
/// 停止侦听服务
/// </summary>
public static void Stop()
{
if (ws != null)
{
ws.Stop();
}
}
public static string GetSessionName(WebSocketSession session)
{
return HttpUtility.UrlDecode(session.Path.TrimStart('/'));
}
public static void SendToAll(WebSocketSession session, string msg)
{
foreach (var sendSession in session.AppServer.GetAllSessions())
{
sendSession.Send(msg);
}
}
}
}
Websocket客户端
1、新建项目ConsoleWebsocketClient
2、项目右键 管理Nuget程序包，，搜索 log4net，WebSocket4NET，添加即可
3、新建文件夹ClientEntities，然后再该文件夹下添加ClientWebsocketEntity和ConsoleAppWebsocketClient这两个类，代码如下
ClientWebsocketEntity类
using ConsoleWebsocketClient.CommonUntils;
using System;
using System.IO;
using System.Net.WebSockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace ConsoleWebsocketClient.ClientEntities
{
/// <summary>
/// ClientWebsocket客户端实体类
/// </summary>
public class ClientWebsocketEntity
{
#region Fields And Propertities
/// <summary>
/// ClientWebsocket客户端Url
/// </summary>
public string SocketUrl { get; set; } = "ws://127.0.0.1:1234/";
//public string SocketUrl { get; set; } = "ws://192.168.1.198:1234/";
/// <summary>
/// ClientWebsocket客户端对象
/// </summary>
public ClientWebSocket ClientWebSocket { get; set; }
/// <summary>
/// 消息回传的委托定义
/// </summary>
/// <param name="retValue"></param>
public delegate void ShowMessage(string retValue);
/// <summary>
/// 消息回传
/// </summary>
public ShowMessage ReturnMessage;
#endregion
#region Methods
/// <summary>
/// 构造函数初始化
/// </summary>
public ClientWebsocketEntity()
{
ClientWebSocket = new ClientWebSocket();
//ClientWebsocketConnect();
}
public void StartClient()
{
ClientWebsocketConnect();
}
/// <summary>
/// ClientWebsocket客户端连接Websocket服务端
/// </summary>
public async void ClientWebsocketConnect()
{
try
{
await ClientWebSocket.ConnectAsync(new Uri(SocketUrl), CancellationToken.None);
ClientWebsocketSendMessage();
ClientWebsocketReceivedMessage();
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// ClientWebsocket客户端向Websocket服务端发送消息
/// </summary>
public async void ClientWebsocketSendMessage()
{
try
{
while (true)
{
byte[] bytess = Encoding.Default.GetBytes($"login#22222");
await ClientWebSocket.SendAsync(new ArraySegment<byte>(bytess), WebSocketMessageType.Text, true, new CancellationToken());
await Task.Delay(1000 * 3);
}
//while (ClientWebSocket.State == WebSocketState.Open)
//{
// byte[] buffer = new byte[10240];
// await ClientWebSocket.SendAsync(new ArraySegment<byte>(buffer), WebSocketMessageType.Text, true, CancellationToken.None);
// await Task.Delay(TimeSpan.FromSeconds(3));
//}
}
catch (Exception ex)
{
LogHelper.Instance.Error($"{ex.Message}");
throw;
}
}
/// <summary>
/// ClientWebsocket客户端从Websocket服务端接收消息
/// </summary>
public async void ClientWebsocketReceivedMessage()
{
try
{
//while (true)
//{
// //byte[] bytess = Encoding.Default.GetBytes($"TestWebsocket发送数据 {s} ");
// //cln.SendAsync(new ArraySegment<byte>(bytess), WebSocketMessageType.Text, true, new CancellationToken()).Wait();
// //s++;
// string returnValue = await GetAsyncValue(ClientWebSocket);//异步方法
// ReturnMessage?.Invoke(returnValue);
//}
while (ClientWebSocket.State == WebSocketState.Open)
{
ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[1024 * 4]);
WebSocketReceiveResult result = await ClientWebSocket.ReceiveAsync(buffer, CancellationToken.None);
if (result.EndOfMessage)
{
if (result.MessageType == WebSocketMessageType.Text)
{
//string retValue = Encoding.UTF8.GetString(buffer.Array).Replace("\0", "").Trim(); // Encoding.UTF8.GetString(buffer.Array)会多出很多空余的字符，添加Replace("\0", "").Trim()处理掉就可以了
string retValue = Encoding.UTF8.GetString(buffer.Array, 0, result.Count);
ReturnMessage?.Invoke(retValue);
}
}
}
//WebSocketReceiveResult result;
//ArraySegment<byte> buffer;
//string retValue;
//while (ClientWebSocket.State == WebSocketState.Open)
//{
// using (var ms = new MemoryStream())
// {
// buffer = new ArraySegment<byte>(new byte[1024]);
// 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))
// {
// retValue = reader.ReadToEnd();
// ReturnMessage?.Invoke(retValue);
// }
// }
// }
//}
}
catch (Exception ex) when (!string.IsNullOrEmpty(ex.Message))
{
LogHelper.Instance.Error($"{ex.Message}");
throw;
}
}
public static async Task<string> GetAsyncValue(ClientWebSocket clientWebSocket)
{
string returnValue = null;
ArraySegment<Byte> buffer = new ArraySegment<byte>(new Byte[8192]);
WebSocketReceiveResult result = null;
using (var ms = new MemoryStream())
{
do
{
result = await clientWebSocket.ReceiveAsync(buffer, CancellationToken.None);
ms.Write(buffer.Array, buffer.Offset, result.Count);
}
while (!result.EndOfMessage);
ms.Seek(0, SeekOrigin.Begin);
if (result.MessageType == WebSocketMessageType.Text)
{
using (var reader = new StreamReader(ms, Encoding.UTF8))
{
returnValue = reader.ReadToEnd();
//Console.WriteLine(returnValue);
}
}
}
return returnValue;
}
#endregion
}
}
ConsoleAppWebsocketClient类
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace ConsoleWebsocketClient.ClientEntities
{
class ConsoleAppWebsocketClient
{
static WebSocket4Net.WebSocket webSocket4NetFaceValidate = null;
static void Start(string[] args)
{
Console.WriteLine("WebSocket客户端");
Thread.Sleep(TimeSpan.FromSeconds(8));
webSocket4NetFaceValidate = new WebSocket4Net.WebSocket("ws://127.0.0.1:1234");
webSocket4NetFaceValidate.Opened += WebSocket4NetFaceValidate_Opened;
webSocket4NetFaceValidate.MessageReceived += WebSocket4NetFaceValidate_MessageReceived;
webSocket4NetFaceValidate.Error += WebSocket4NetFaceValidate_Error;
webSocket4NetFaceValidate.Open();
//WebSocketSendmessage();
//Thread thread = new Thread(WebSocketSendmessage);
//thread.IsBackground = true;
//thread.Start();
Console.ReadKey();
}
private static void WebSocket4NetFaceValidate_Error(object sender, SuperSocket.ClientEngine.ErrorEventArgs e)
{
throw new NotImplementedException();
}
public static void WebSocketSendmessage()
{
int s = 88;
while (true)
{
webSocket4NetFaceValidate.Send(s.ToString());
s++;
System.Threading.Thread.Sleep(TimeSpan.FromSeconds(3));
}
Console.WriteLine($"begin#123456");
byte[] bytess = Encoding.Default.GetBytes($"begin#123456");
IList<ArraySegment<byte>> list = new List<ArraySegment<byte>>();
list.Add(new ArraySegment<byte>(bytess));
webSocket4NetFaceValidate.Send(list);
}
private static void WebSocket4NetFaceValidate_Opened(object sender, EventArgs e)
{
Console.WriteLine($"begin#123456");
byte[] bytess = Encoding.Default.GetBytes($"begin#123456");
IList<ArraySegment<byte>> list = new List<ArraySegment<byte>>();
list.Add(new ArraySegment<byte>(bytess));
webSocket4NetFaceValidate.Send(list);
}
private static void WebSocket4NetFaceValidate_MessageReceived(object sender, WebSocket4Net.MessageReceivedEventArgs e)
{
try
{
string returnMessage = e.Message;
if (string.IsNullOrEmpty(returnMessage))
{
return;
}
Console.WriteLine(returnMessage);
}
catch (Exception ex)
{
}
finally
{
}
}
}
}
4、ConsoleWebsocketClient的Program.cs 代码如下
using ConsoleWebsocketClient.ClientEntities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace ConsoleWebsocketClient
{
class Program
{
static WebSocket4Net.WebSocket webSocket4Net = null;
static void Main(string[] args)
{
#region ClientWebsocke客户端
//Thread.Sleep(TimeSpan.FromSeconds(3));
Console.WriteLine("WebSocket客户端");
for (int i = 0; i < 1; i++)
{
//System.Threading.Thread.Sleep(TimeSpan.FromSeconds(5));
//System.Threading.Tasks.Task.Factory.StartNew(BBB, i);
//Task.Delay(2000);
ClientWebsocketEntity clientWebsocketEntity = new ClientWebsocketEntity();
clientWebsocketEntity.ReturnMessage = Addlog;
clientWebsocketEntity.StartClient();
}
Console.ReadKey();
#endregion
#region WebSocket4Net客户端
//Console.WriteLine("WebSocket客户端");
//webSocket4Net = new WebSocket4Net.WebSocket("ws://127.0.0.1:1234");
//webSocket4Net.Opened += WebSocket4Net_Opened;
//webSocket4Net.MessageReceived += WebSocket4Net_MessageReceived;
//webSocket4Net.Error += WebSocket4Net_Error;
//webSocket4Net.Open();
////WebSocketSendmessage();
//Thread thread = new Thread(WebSocketSendmessage);
//thread.IsBackground = true;
//thread.Start();
//Console.ReadKey();
#endregion
}
public static void Addlog(string sss)
{
Console.WriteLine(sss);
}
public static void WebSocketSendmessage()
{
int s = 88;
while (true)
{
webSocket4Net.Send(s.ToString());
s++;
Thread.Sleep(TimeSpan.FromSeconds(3));
}
}
private static void WebSocket4Net_Error(object sender, SuperSocket.ClientEngine.ErrorEventArgs e)
{
//throw new NotImplementedException();
}
private static void WebSocket4Net_Opened(object sender, EventArgs e)
{
Console.WriteLine($"begin#123456");
byte[] bytess = Encoding.Default.GetBytes($"begin#123456");
IList<ArraySegment<byte>> list = new List<ArraySegment<byte>>();
list.Add(new ArraySegment<byte>(bytess));
webSocket4Net.Send(list);
}
private static void WebSocket4Net_MessageReceived(object sender, WebSocket4Net.MessageReceivedEventArgs e)
{
try
{
string returnMessage = e.Message;
if (string.IsNullOrEmpty(returnMessage))
{
return;
}
Console.WriteLine(returnMessage);
}
catch (Exception ex)
{
}
finally
{
}
}
}
}
5、ConsoleWebsocketClient的App.config 代码如下
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>
</configSections>
<log4net>
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<param name="File" value="Log\Log.txt" />
<param name="AppendToFile" value="true" />
<param name="MaxSizeRollBackups" value="100" />
<param name="MaximumFileSize" value="2MB" />
<param name="RollingStyle" value="Size" />
<param name="StaticLogFileName" value="true" />
<layout type="log4net.Layout.PatternLayout">
<param name="ConversionPattern" value="%-15p %d [%c] %m %n" />
</layout>
</appender>
<root>
<level value="all" />
<appender-ref ref="RollingLogFileAppender" />
</root>
</log4net>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
</startup>
</configuration>
5、为了测试方便添加了HTML文件websockettest.html
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html" />
<meta name="author" content="https://www.baidu.com" />
<title>websocket test</title>
<script>
var socket;
function Connect(){
try{
socket=new WebSocket('ws://127.0.0.1:1234');
}catch(e){
alert('error');
return;
}
socket.onopen = sOpen;
socket.onerror = sError;
socket.onmessage= sMessage;
socket.onclose= sClose;
}
function sOpen(){
alert('connect success!');
}
function sError(e){
alert("error " + e);
}
function sMessage(msg){
document.getElementById("msgrecv").value = msg.data;
}
function sClose(e){
alert("connect closed:" + e.code);
}
function Send(){
socket.send(document.getElementById("msg").value);
}
function Close(){
socket.close();
}
</script>
</head>
<body>
<input id="msg" type="text" size = "200" >
<input id="msgrecv" type="text" size = "200">
<button id="connect" onclick="Connect();">Connect</button>
<button id="send" onclick="Send();">Send</button>
<button id="close" onclick="Close();">Close</button>
</body>
</html>
以上ConsoleWebsocketServer项目和ConsoleWebsocketClient项目都建好了，就可以运行了，其中可以设置两种Websocket服务端和Websocket客户端（websockettest.html网页端，也是客户端）
服务端
客户端
运行结果
