SocketAddress.cs :  » 2.6.4-mono-.net-core » System.Net » System » Net » C# / CSharp Open Source

//
// System.Net.SocketAddress.cs
//
// Author:
//   Miguel de Icaza (miguel@ximian.com)
//   Dick Porter (dick@ximian.com)
//
// (C) Ximian, Inc.  http://www.ximian.com
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.Net.Sockets;

namespace System.Net{

  public class SocketAddress {
    private byte[] data;
    
    public SocketAddress (AddressFamily family, int size)
    {
      if(size<2) {
        throw new ArgumentOutOfRangeException("size is too small");
      }
      
      data=new byte[size];
      data[0]=(byte)family;
      data[1]=(byte) ((int) family >> 8);
    }

    public SocketAddress (AddressFamily family)
      : this (family, 32)
    {
    }
    
    //LAMESPEC: the MS doc about this class is wrong. The size is not stored in byte 1. Instead
    // byte [0] and byte [1] hold the family (little endian).
    public AddressFamily Family {
      get {
        return (AddressFamily) (data [0] + (data [1] << 8));
      }
    }

    public int Size {
      get {
        return data.Length;
      }
    }

    public byte this [ int offset ] {
      get {
        return(data[offset]);
      }

      set {
        data[offset]=value;
      }
    }

    public override string ToString() {
      string af=((AddressFamily)data[0]).ToString();
      int size = data.Length;
      string ret=af+":"+size+":{";
      
      for(int i=2; i<size; i++) {
        int val=(int)data[i];
        ret=ret+val;
        if(i<size-1) {
          ret=ret+",";
        }
      }
      
      ret=ret+"}";
      
      return(ret);
    }

    public override bool Equals (object obj)
    {
      SocketAddress sa = (obj as SocketAddress);
      if ((sa != null) && (sa.data.Length == data.Length)) {
        byte [] otherData = sa.data;
        for (int i = 0; i < data.Length; i++)
          if (otherData [i] != data [i])
            return false;

        return true;
      }

      return false;
    }

    public override int GetHashCode ()
    {
      int code = 0;

      for (int i = 0; i < data.Length; i++)
        code += data [i] + i;

      return code;
    }
  }
}