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。
- 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();
}
}- 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($"Dev[{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff")}, 12.34, 34.56, 56.78, \"77705683\"]");
}
}
}
catch (Exception ex)
{
Console.WriteLine("出现异常：" + ex.Message + "\r\n" + ex.StackTrace);
}
finally
{
await Task.Delay(1000);
}
}
});
}
}
}
}- SuperSocket1.6
截止到现在 superSocket 2.0版本还没正式发布，有beta.26版本，和1.6相比改动挺大的。
兼容 .NetFramework V4.6.1、.NetFramework V4.6.2、.NetFramework V4.7、.NetFramework V4.7.1、.NetFramework V4.7.2、.NetFramework V4.8、.NetFramework V4.8.1
dotnet add package SuperSocket --version 1.6.6.1
dotnet add package SuperSocket.Engine --version 1.6.6.1
dotnet add package SuperSocket.WebSocket --version 1.6.6.1using SuperSocket.SocketBase;
using SuperSocket.WebSocket;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
namespace SuperSocketDemo
{
public class WebSockSvr
{
public List<WebSocketSession> ClinetList { get; set; } = new List<WebSocketSession>();
private WebSocketServer server;
public WebSockSvr()
{
server = new WebSocketServer();
server.NewMessageReceived += Ws_NewMessageReceived;//当有信息传入时
server.NewSessionConnected += Ws_NewSessionConnected;//当有用户连入时
server.SessionClosed += Ws_SessionClosed;//当有用户退出时
server.NewDataReceived += Ws_NewDataReceived;//当有数据传入时
}
public void Start()
{
if (server.Setup(4040))//绑定端口
server.Start();//启动服务
}
//public void SendDatas()
//{
// //对当前已连接的所有会话进行广播
// foreach (var session in server.GetAllSessions())
// {
// session.Send($"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($"Dev[{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff")}, 12.34, 34.56, 56.78, \"77705683\"]");
}
}
}
catch (Exception ex)
{
Console.WriteLine("出现异常：" + ex.Message + "\r\n" + ex.StackTrace);
}
finally
{
await Task.Delay(10);
}
}
});
}
}
private void Ws_NewSessionConnected(WebSocketSession session)
{
ClinetList.Add(session);
}
private void Ws_NewMessageReceived(WebSocketSession session, string value)
{
}
private void Ws_SessionClosed(WebSocketSession session, CloseReason value)
{
ClinetList.Remove(session);
}
private void Ws_NewDataReceived(WebSocketSession session, byte[] value)
{
}
}
}- SuperSocket2.0.0-beta.26
兼容 .NetStandard V2.1、.Net5、.Net6、.Net7、.Net8
dotnet add package SuperSocket.WebSocket.Server --version 2.0.0-beta.26using Microsoft.Extensions.Hosting;
using SuperSocket.Server;
using SuperSocket.Server.Abstractions;
using SuperSocket.Server.Host;
using SuperSocket.WebSocket.Server;
namespace SuperSocket2Demo
{
public class WebSockSvr
{
public List<WebSocketSession> ClinetList { get; set; } = new();
private IServer server;
public WebSockSvr()
{
server = WebSocketHostBuilder.Create()
.ConfigureSuperSocket(opts =>
{
opts.AddListener(new ListenOptions
{
Ip = "127.0.0.1",
Port = 4040
});
})
.UseSessionHandler((session) =>
{
var sess = (WebSocketSession)session;
ClinetList.Add(sess);
return ValueTask.CompletedTask;
}, (session, reason) =>
{
var sess = (WebSocketSession)session;
ClinetList.Remove(sess);
return ValueTask.CompletedTask;
})
.UseWebSocketMessageHandler(async (session, message) =>
{
})
.BuildAsServer();
}
public Task Start()
{
return server.StartAsync();
}
public void SendDatas()
{
for (int i = 0; i < 200; i++)
{
Task.Run(async () =>
{
while (true)
{
try
{
for (int j = 0; j < ClinetList.Count; j++)
{
var sock = ClinetList[j];
if (sock.State == SessionState.Connected)
{
await sock.SendAsync($"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);
}
}
});
}
}
}
}- 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 2.1.5using 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();
}
}
}
}