2014-10-30 103 views
-1

我写一个socket服务器类,其他类将从继承问题的基础VS孩子

得到当我从这个类派生,试图使一个网络服务器,基础类事件在那里。 我不希望它们在另一个类中可见,从Web服务器派生,也不是使用Web服务器类的最终用户。我会以某种方式隐藏它们以供进一步使用,但仍然能够订阅它们。因为在这一点上,我脑海中唯一的办法就是重新发明我的基地的班级!

这里如下基类的一些代码:

public delegate void ConnectionRequest (CoreAsyncSocketObj client); 
    public delegate void DataReceived (CoreAsyncSocketObj client, string data); 
    public delegate void DataSent (CoreAsyncSocketObj client); 
    public delegate void ConnectionClose (CoreAsyncSocketObj client); 
    public delegate void ServerFull (CoreAsyncSocketObj client); 

    /// <summary> 
    /// Occurs when a client connects to server. 
    /// </summary> 
    public event ConnectionRequest OnConnectionRequest; 
    /// <summary> 
    /// Occurs when server receives data from any client. 
    /// </summary> 
    public event DataReceived OnDataReceived; 
    /// <summary> 
    /// Occurs when data has been sent to client. 
    /// </summary> 
    public event DataSent OnDataSent; 
    /// <summary> 
    /// Occurs when client has closed its connection. 
    /// </summary> 
    public event ConnectionClose OnConnectionClose; 
    /// <summary> 
    /// Occurs when server is full according to the MaximumUsers property. 
    /// </summary> 
    public event ServerFull OnServerFull; 

以上是我怎么有我的委托和事件! 真正的问题是在我的委托回调,在那里我把这些事件

void Receive (IAsyncResult ar) 
    { 
     CoreAsyncSocketObj client = (CoreAsyncSocketObj)ar.AsyncState; 
     string data = string.Empty; 
     try 
     { 
      int bytesReceived = client.sock.EndReceive (ar); 
      if (bytesReceived > 0) // client is connected 
      { 
       if (this.protocolEOL == string.Empty) // If no delimeter then just raise event and restart receiving. 
       { 
        if (this.OnDataReceived != null) 
        { 
         data = Encoding.GetEncoding((int)this.encoder).GetString(client.buffer); 
         this.OnDataReceived (client, data); 
         client.sock.BeginReceive (client.buffer, 0, client.buffer.Length, SocketFlags.None, 
               new AsyncCallback (Receive), client); 
        } 
       } 
       else // A specified delimter (EOL). 
       { 
        // Append to a second buffer using the specified encoding. 
        // Check the end of the buffer if it matches the EOL. 
        client.stringBuffer.Append(Encoding.GetEncoding((int)this.encoder).GetString(client.buffer)); 
        //client.stringBuffer.Append (Encoding.Default.GetString (client.buffer)); 
        data = client.stringBuffer.ToString(); 
        if (data.EndsWith (this.protocolEOL) == true) 
        { 
         if (this.OnDataReceived != null) 
          this.OnDataReceived (client, data); 

         client.stringBuffer.Clear(); // Clear buffer 
        } 
        client.sock.BeginReceive (client.buffer, 0, client.buffer.Length, SocketFlags.None, 
               new AsyncCallback (Receive), client); // restart 
       } 
      } 
      else // Client has closed its connection 
      { 
       this.DisconnectClient(client); 
       if (this.OnConnectionClose != null) 
        this.OnConnectionClose(client); 
      } 
     } 
     catch(SocketException exception) 
     { 
      Logger.Write(exception.Message + "\"" + exception.ErrorCode.ToString() + "\""); 
     } 
     catch(ObjectDisposedException exception) 
     { 
      Logger.Write(exception.Message); 
     } 
     catch(Exception exception) 
     { 
      Logger.Write(exception.Message); 
     } 
    } 

如果我不能同意我在其他类中的DataReceived事件派生这个类,那么我能做些实际的核心?我的头撞墙。也许从开始就有一个糟糕的结构?

+0

如果您希望* derived *类具有唯一访问权限,请使用'protected'访问修饰符。否则,我不确定你想要完成什么。 – BradleyDotNET 2014-10-30 19:12:08

回答

1

我不相信有一种方法可以完全隐藏继承的成员。类似问题“Hiding inherited members”的一个建议是重写它们,将它们标记为obselete,并将DesignerSerializationVisibility设置为隐藏。

如果您只想使用组件中的那些成员,但将它们隐藏到外部程序集中,请将它们标记为internal而不是public

如果你真的想隐藏它们,你可以将你的web服务器类写成一个包装而不是子类。在内部使用套接字服务器类并订阅事件。