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1、本功能支持多人聊天；
2、有人上线或下线时，会话窗口会自动显示；
3、支持快捷键关闭会话窗口或发送会话信息。
using SuperSocket.SocketBase;
using SuperSocket.SocketBase.Config;
using SuperSocket.SocketEngine;
using SuperWebSocket;
using System;
using System.Threading;
using System.Threading.Tasks;
//install-package SuperWebSocket
//install-package nlog
//install-package nlog.config
namespace WebSocketService
{
public class WSocketServer:IDisposable
{
/// <summary>
/// 日志管理
/// </summary>
public static NLog.Logger _Logger = NLog.LogManager.GetCurrentClassLogger();
#region 向外传递数据事件
public event Action<WebSocketSession, string> MessageReceived;
public event Action<WebSocketSession> NewConnected;
public event Action<WebSocketSession> Closed;
#endregion
public WebSocketServer WebSocket;
Thread _thread;
bool _isRunning = true;
public WSocketServer()
{
}
#region WebSockertServer
/// <summary>
/// 开启服务端
/// </summary>
/// <param name="port"></param>
/// <param name="serverName"></param>
/// <param name="isUseCertificate"></param>
/// <param name="serverStoreName"></param>
/// <param name="serverSecurity"></param>
/// <param name="serverThumbprint"></param>
/// <returns></returns>
public bool Open(int port, string serverName, bool isUseCertificate = false, string serverStoreName = "", string serverSecurity = "", string serverThumbprint = "")
{
bool isSetuped = false;
try
{
this.WebSocket = new WebSocketServer();
var serverConfig = new ServerConfig
{
Name = serverName,
MaxConnectionNumber = 10000, //最大允许的客户端连接数目，默认为100。
Mode = SocketMode.Tcp,
Port = port, //服务器监听的端口。
ClearIdleSession = false, //true或者false， 是否清除空闲会话，默认为false。
ClearIdleSessionInterval = 120,//清除空闲会话的时间间隔，默认为120，单位为秒。
ListenBacklog = 10,
ReceiveBufferSize = 64 * 1024, //用于接收数据的缓冲区大小，默认为2048。
SendBufferSize = 64 * 1024, //用户发送数据的缓冲区大小，默认为2048。
KeepAliveInterval = 1, //keep alive消息发送时间间隔。单位为秒。
KeepAliveTime = 60, //keep alive失败重试的时间间隔。单位为秒。
SyncSend = false
};
SocketServerFactory socketServerFactory = null;
//开启wss 使用证书
if (isUseCertificate)
{
serverConfig.Security = serverSecurity;
serverConfig.Certificate = new SuperSocket.SocketBase.Config.CertificateConfig
{
StoreName = serverStoreName,
StoreLocation = System.Security.Cryptography.X509Certificates.StoreLocation.LocalMachine,
Thumbprint = serverThumbprint
};
socketServerFactory = new SocketServerFactory();
}
isSetuped = this.WebSocket.Setup(new RootConfig(),serverConfig, socketServerFactory);
if (isSetuped)
{
_Logger.Info("Setup Success...");
}
else
{
_Logger.Error("Failed to setup!");
}
this.WebSocket.NewSessionConnected = NewSessionConnected;
this.WebSocket.NewMessageReceived = NewMessageReceived;
this.WebSocket.SessionClosed = SessionClosed;
isSetuped = this.WebSocket.Start();
if (isSetuped)
{
_Logger.Info("Start Success...");
_Logger.Info("Server Listen at " this.WebSocket.Listeners[0].EndPoint.Port.ToString());
this._isRunning = true;
this._thread = new Thread(new ThreadStart(ProcessMaintainance));
this._thread.Start();
}
else
{
_Logger.Error("Failed to start!");
}
}
catch (Exception ex)
{
_Logger.Error(ex.ToString());
}
return isSetuped;
}
/// <summary>
/// 消息触发事件
/// </summary>
/// <param name="session"></param>
/// <param name="value"></param>
void NewMessageReceived(WebSocketSession session, string value)
{
try
{
_Logger.Info("Receive:" value.ToString() " ClientIP:" session.RemoteEndPoint);
if(value.ToString().Equals("IsHere**"))//客户端定时发送心跳，维持链接
{
return;
}
else
{
MessageReceived?.Invoke(session, value.ToString());
}
}
catch (Exception e)
{
_Logger.Error(e.ToString());
}
}
/// <summary>
/// 新链接触发事件
/// </summary>
/// <param name="session"></param>
void NewSessionConnected(WebSocketSession session)
{
try
{
string message = string.Format("New Session Connected:{0}, Path:{1}, Host:{2}, IP:{3}",
session.SessionID.ToString(), session.Path, session.Host, session.RemoteEndPoint);
_Logger.Info(message);
NewConnected?.Invoke(session);
}
catch (Exception e)
{
_Logger.Error(e.ToString());
}
}
/// <summary>
/// 客户端链接关闭触发事件
/// </summary>
/// <param name="session"></param>
/// <param name="value"></param>
void SessionClosed(WebSocketSession session, CloseReason value)
{
string message = string.Format("Session Close:{0}, Path:{1}, IP:{2}", value.ToString(), session.Path,session.RemoteEndPoint);
_Logger.Info(message);
Closed?.Invoke(session);
}
#endregion
/// <summary>
/// 关闭服务端触发事件
/// </summary>
public void Dispose()
{
this._isRunning = false;
foreach (WebSocketSession session in this.WebSocket.GetAllSessions())
{
session.Close();
}
try
{
this.WebSocket.Stop();
}
catch { }
}
/// <summary>
/// 输出实时连接线程
/// </summary>
void ProcessMaintainance()
{
do
{
try
{
_Logger.Debug("Display Session Info:" this.WebSocket.SessionCount);
foreach (WebSocketSession session in this.WebSocket.GetAllSessions())
{
string message = string.Format("ID:{0}, Remote:{1}, Path:{2}, LastActiveTime:{3}, StartTime:{4}",
session.SessionID, session.RemoteEndPoint, session.Path
, session.LastActiveTime, session.StartTime);
_Logger.Debug(message);
}
}
catch (Exception e)
{
_Logger.Error(e.ToString());
}
System.Threading.Thread.Sleep(5 * 60000);
} while (this._isRunning);
}
/// <summary>
/// 发送消息
/// </summary>
/// <param name="session">客户端连接</param>
/// <param name="message">消息内容</param>
public void SendMessage(WebSocketSession session, string message)
{
Task.Factory.StartNew(() =>{if (session != null && session.Connected) session.Send(message);});
}
}
}