C# WebSocket Servers -- Fleck、SuperSocket、TouchSocke

标签：ClinetList WebSocket SuperSocket C# await server client using public

最近在维护老项目，感觉内存一直都有问题，定位到问题是WebSocketServer的问题，了解了 Fleck、SuperSocket、TouchSocke 等开源项目，这里记录一下。

可能今后都不会用些轮子了，.net5、.net6、.net7、.net8 项目已经集成了WebSocket，只要 app.UseWebSockets() 代码就可以了，

详情见 WebSockets support in ASP.NET Core | Microsoft Learn。

0. 控制台运行的代码

代码：https://gitee.com/Karl_Albright/csharp-web-socket-server

internal class Program
{
    static void Main(string[] args)
    {
        WebSockSvr server = new WebSockSvr();
        server.Start();
        server.SendDatas();
        Console.ReadLine();
    }
}

1. Fleck

兼容 .NetFramework V4.0、.NetFramework V4.5、.NetCoreApp V2.0、.NetStandard V2.0

dotnet add package Fleck --version 1.2.0

using Fleck;

namespace FleckDemo
{public class WebSockSvr
    {
        public List<IWebSocketConnection> ClinetList = new();
        private WebSocketServer service;
        public WebSockSvr() 
        {
            service = new WebSocketServer("ws://0.0.0.0:4040");
        }
        public void Start() 
        {
            service.Start(socket =>
            {
                socket.OnOpen = () =>
                {
                    Console.WriteLine("Open!");
                    ClinetList.Add(socket);
                };
                socket.OnClose = () =>
                {
                    Console.WriteLine("Close!");
                    ClinetList.Remove(socket);
                };
                socket.OnMessage = message =>
                {
                    Console.WriteLine(message);
                    ClinetList.ToList().ForEach(s => s.Send("Echo: " + message));
                };
            });
        }
        public void SendDatas()
        {
            for (int i = 0; i < 200; i++)
            {
                Task.Run(async () =>
                {
                    while (true)
                    {
                        try
                        {
                            for (int j = 0; j < ClinetList.Count; j++)
                            {
                                var sock = ClinetList[j];
                                if (sock.IsAvailable)
                                {
                                    await sock.Send($"Dev[{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff")}, 12.34, 34.56, 56.78, \"77705683\"]");
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine("出现异常：" + ex.Message + "\r\n" + ex.StackTrace);
                        }
                        finally
                        {
                            await Task.Delay(1000);
                        }
                    }
                });
            }
        }
    }
}

2. SuperSocket1.6

截止到现在 superSocket 2.0版本还没正式发布，有beta.26版本，和1.6相比改动挺大的。

兼容 .NetFramework V4.6.1、.NetFramework V4.6.2、.NetFramework V4.7、.NetFramework V4.7.1、.NetFramework V4.7.2、.NetFramework V4.8、.NetFramework V4.8.1

dotnet add package SuperSocket --version 1.6.6.1
dotnet add package SuperSocket.Engine --version 1.6.6.1
dotnet add package SuperSocket.WebSocket --version 1.6.6.1

using SuperSocket.SocketBase;
using SuperSocket.WebSocket;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace SuperSocketDemo
{
    public class WebSockSvr
    {
        public List<WebSocketSession> ClinetList { get; set; } = new List<WebSocketSession>();
        private WebSocketServer server;
        public WebSockSvr()
        {
            server = new WebSocketServer();
            server.NewMessageReceived += Ws_NewMessageReceived;//当有信息传入时
            server.NewSessionConnected += Ws_NewSessionConnected;//当有用户连入时
            server.SessionClosed += Ws_SessionClosed;//当有用户退出时
            server.NewDataReceived += Ws_NewDataReceived;//当有数据传入时
        }

        public void Start()
        {
            if (server.Setup(4040))//绑定端口
                server.Start();//启动服务  
        }

        //public void SendDatas()
        //{
        //    //对当前已连接的所有会话进行广播
        //    foreach (var session in server.GetAllSessions())
        //    {
        //        session.Send($"Dev[{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff")}, 12.34, 34.56, 56.78, \"77705683\"]");
        //        Thread.Sleep(1000);
        //    }
        //}
        public void SendDatas()
        {
            for (int i = 0; i < 200; i++)
            {
                Task.Run(async () =>
                {
                    while (true)
                    {
                        try
                        {
                            for (int j = 0; j < ClinetList.Count; j++)
                            {
                                var sock = ClinetList[j];
                                if (sock.Connected)
                                {
                                    sock.TrySend($"Dev[{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff")}, 12.34, 34.56, 56.78, \"77705683\"]");
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine("出现异常：" + ex.Message + "\r\n" + ex.StackTrace);
                        }
                        finally
                        {
                            await Task.Delay(10);
                        }
                    }
                });
            }

        }

        private void Ws_NewSessionConnected(WebSocketSession session)
        {
            ClinetList.Add(session);
        }

        private void Ws_NewMessageReceived(WebSocketSession session, string value)
        {

        }

        private void Ws_SessionClosed(WebSocketSession session, CloseReason value)
        {
            ClinetList.Remove(session);
        }

        private void Ws_NewDataReceived(WebSocketSession session, byte[] value)
        {

        }
    }
}

3. SuperSocket2.0.0-beta.26

兼容 .NetStandard V2.1、.Net5、.Net6、.Net7、.Net8

dotnet add package SuperSocket.WebSocket.Server --version 2.0.0-beta.26

using Microsoft.Extensions.Hosting;
using SuperSocket.Server;
using SuperSocket.Server.Abstractions;
using SuperSocket.Server.Host;
using SuperSocket.WebSocket.Server;

namespace SuperSocket2Demo
{
    public class WebSockSvr
    {
        public List<WebSocketSession> ClinetList { get; set; } = new();
        private IServer server;
        public WebSockSvr()
        {
            server = WebSocketHostBuilder.Create()
                .ConfigureSuperSocket(opts =>
                {
                    opts.AddListener(new ListenOptions
                    {
                        Ip = "127.0.0.1",
                        Port = 4040
                    });
                })
                .UseSessionHandler((session) =>
                {
                    var sess = (WebSocketSession)session;
                    ClinetList.Add(sess);
                    return ValueTask.CompletedTask;
                }, (session, reason) =>
                {
                    var sess = (WebSocketSession)session;
                    ClinetList.Remove(sess);
                    return ValueTask.CompletedTask;
                })
                .UseWebSocketMessageHandler(async (session, message) =>
                {
                })
                .BuildAsServer();
        }
        public Task Start()
        {
            return server.StartAsync();
        }
        public void SendDatas()
        {
            for (int i = 0; i < 200; i++)
            {
                Task.Run(async () =>
                {
                    while (true)
                    {
                        try
                        {
                            for (int j = 0; j < ClinetList.Count; j++)
                            {
                                var sock = ClinetList[j];
                                if (sock.State == SessionState.Connected)
                                {
                                    await sock.SendAsync($"Dev[{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff")}, 12.34, 34.56, 56.78, \"77705683\"]");
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine("出现异常：" + ex.Message + "\r\n" + ex.StackTrace);
                        }
                        finally
                        {
                            await Task.Delay(10);
                        }
                    }
                });
            }
        }
    }
}

4. TouchSocket

目前兼容 .NetFramework V4.5、.NetFramework V4.6.2、.NetFramework V4.7.2、.NetFramework V4.8.1、.NetStandard V2.0、.NetStandard V2.1、.Net6、.Net7、.Net8

dotnet add package TouchSocket --version 2.1.5
dotnet add package TouchSocket.Http --version 2.1.5
dotnet add package TouchSocket.WebApi --version 2.1.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using TouchSocket.Core;
using TouchSocket.Http;
using TouchSocket.Http.WebSockets;
using TouchSocket.Rpc;
using TouchSocket.Sockets;
using TouchSocket.WebApi;

namespace TouchSocketDemo.Core
{
    public class WebSockSvr
    {
        public List<IHttpSession> ClinetList { get; set; } = new List<IHttpSession>();
        private HttpService service;
        public WebSockSvr() 
        {
            service = new HttpService();
        }
        public async Task Start() 
        {
            await service.SetupAsync(new TouchSocketConfig()//加载配置
                 .SetListenIPHosts(4040)
                 .ConfigureContainer(a =>
                 {
                     a.AddConsoleLogger();
                 })
                 .ConfigurePlugins(a =>
                 {
                     a.UseWebSocket().SetWSUrl(null).UseAutoPong();
                     //a.Add<MyWebSocketPlugin>();
                     a.Add(typeof(IWebSocketHandshakedPlugin), async (IWebSocket client, HttpContextEventArgs e) =>
                     {
                         ClinetList.Add(client.Client);
                         await e.InvokeNext();
                     });
                     a.Add(typeof(IWebSocketClosingPlugin), async (IWebSocket client, ClosedEventArgs e) =>
                     {
                         ClinetList.Remove(client.Client);
                         await e.InvokeNext();
                     });

                     a.Add(typeof(IWebSocketReceivedPlugin), async (IWebSocket client, WSDataFrameEventArgs e) =>
                     {
                         switch (e.DataFrame.Opcode)
                         {
                             case WSDataType.Close:
                                 {
                                     await client.CloseAsync("断开");
                                 }
                                 return;
                             case WSDataType.Ping:
                                 await client.PongAsync();//收到ping时，一般需要响应pong
                                 break;
                             case WSDataType.Pong:
                                 break;
                             default:
                                 break;
                         }

                         await e.InvokeNext();
                     });

                     a.UseWebSocketReconnection();//a.Add<MyWebSocketPlugin>();
                 }));
            await service.StartAsync();
        }


        public void SendDatas()
        {
            for (int i = 0; i < 200; i++)
            {
                Task.Run(async () =>
                {
                    while (true)
                    {
                        try
                        {
                            var clientList = ClinetList.ToList();
                            for (int j = 0; j < clientList.Count; j++)
                            {
                                var sock = (HttpSessionClient)clientList[j];
                                if (sock.Online)
                                {
                                    await sock.WebSocket.SendAsync($"Dev[{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff")}, 12.34, 34.56, 56.78, \"77705683\"]");
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine("出现异常：" + ex.Message + "\r\n" + ex.StackTrace);
                        }
                        finally
                        {
                            await Task.Delay(10);
                        }
                    }
                });
            }
        }
        public class MyWebSocketPlugin : PluginBase, IWebSocketHandshakingPlugin, IWebSocketHandshakedPlugin, IWebSocketReceivedPlugin
        {
            public MyWebSocketPlugin(ILog logger)
            {
                this.m_logger = logger;
            }

            public async Task OnWebSocketHandshaking(IWebSocket client, HttpContextEventArgs e)
            {
                if (client.Client is IHttpSessionClient socketClient)
                {
                    //服务端
                    var id = socketClient.Id;
                }
                else if (client.Client is IHttpClient httpClient)
                {
                    //客户端
                }
                this.m_logger.Info("WebSocket正在连接");
                await e.InvokeNext();
            }

            public async Task OnWebSocketHandshaked(IWebSocket client, HttpContextEventArgs e)
            {
                this.m_logger.Info("WebSocket成功连接");
                await e.InvokeNext();
            }

            private readonly ILog m_logger;

            public async Task OnWebSocketReceived(IWebSocket client, WSDataFrameEventArgs e)
            {
                switch (e.DataFrame.Opcode)
                {
                    case WSDataType.Close:
                        {await client.CloseAsync("断开");
                        }
                        return;
                    case WSDataType.Ping:await client.PongAsync();//收到ping时，一般需要响应pong
                        break;
                    case WSDataType.Pong:
                        this.m_logger.Info("Pong");
                        break;
                    default:
                        {
                            //其他报文，需要考虑中继包的情况。所以需要手动合并 WSDataType.Cont类型的包。
                            //或者使用消息合并器
                            //获取消息组合器
                            var messageCombinator = client.GetMessageCombinator();
                            try
                            {
                                //尝试组合
                                if (messageCombinator.TryCombine(e.DataFrame, out var webSocketMessage))
                                {
                                    //组合成功，必须using释放模式
                                    using (webSocketMessage)
                                    {
                                        //合并后的消息
                                        var dataType = webSocketMessage.Opcode;

                                        //合并后的完整消息
                                        var data = webSocketMessage.PayloadData;

                                        if (dataType == WSDataType.Text)
                                        {
                                            //按文本处理
                                        }
                                        else if (dataType == WSDataType.Binary)
                                        {
                                            //按字节处理
                                        }
                                        else
                                        {
                                            //可能是其他自定义协议
                                        }
                                    }
                                }
                            }
                            catch (Exception ex)
                            {
                                this.m_logger.Exception(ex);
                                messageCombinator.Clear();//当组合发生异常时，应该清空组合器数据
                            }
                        }
                        break;
                }
                await e.InvokeNext();
            }
        }
    }
}

标签：ClinetList,WebSocket,SuperSocket,C#,await,server,client,using,public
From： https://www.cnblogs.com/KarlAlbright/p/18433768

C# WebSocket Servers -- Fleck、SuperSocket、TouchSocke

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