/// <summary>
 /// 对从网络缓冲区拿到的数据得处理函数
 /// </summary>
 /// <param name="connect">连接类的实例</param>
 private void PossingData(Connect connect)
 {
     if (connect.buffCount < sizeof(Int32))
     {
         connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
     }
     else
     {
         Int32 MessageLen = BitConverter.ToInt32(connect.Buffers, 0);//取包头获取单个数据包长度
         if (connect.buffCount < sizeof(Int32) + MessageLen && connect.buffCount < Connect.BUFFERS_SIZE)
         {
             connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
         }
         else if (connect.buffCount < sizeof(Int32) + MessageLen && Connect.BUFFERS_SIZE < sizeof(Int32) + MessageLen)
         {
             try
             {
                 MemoryStream stream = new MemoryStream();
                 stream.Write(connect.Buffers, sizeof(Int32), connect.buffCount - sizeof(Int32));
                 connect.MessageLenght = MessageLen;
                 connect.BufferStream  = stream;
                 connect.RestBuffCount();
                 connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.StreamBuffLen(), SocketFlags.None, SubReceiveCb, connect);
             }
             catch (Exception e)
             {
                 FDebug.Log(e.Message + "  :分包接收");
             }
         }
         else
         {
             try
             {
                 byte[] data = new byte[MessageLen];
                 Array.Copy(connect.Buffers, sizeof(Int32), data, 0, MessageLen);
                 DataTransfer(data, connect);
                 connect.buffCount -= (MessageLen + sizeof(Int32));
                 if (connect.buffCount > 0)
                 {
                     Array.Copy(connect.Buffers, sizeof(Int32) + MessageLen, connect.Buffers, 0, connect.buffCount);
                     PossingData(connect);
                 }
                 else
                 {
                     connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
                 }
             }
             catch (Exception e)
             {
                 FDebug.Log(e.Message + " pd");
             }
         }
     }
 }
        /// <summary>
        /// 增量接收
        /// </summary>
        /// <param name="ar"></param>
        private void SubReceiveCb(IAsyncResult ar)
        {
            Connect connect = (Connect)ar.AsyncState;

            try
            {
                int count = connect.Connect_Socket.EndReceive(ar);
                connect.buffCount = count;
                if (count < 0)
                {
                    connect.Close();
                }
                else if (count == 0)
                {
                    connect.MStreamDispose();
                    connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
                }
                else
                {
                    connect.BufferStream.Write(connect.Buffers, 0, connect.buffCount);
                    if (connect.MessageLenght == connect.BufferStream.Length)
                    {
                        var bs = connect.BufferStream.ToArray();
                        DataTransfer(bs, connect);
                        connect.MStreamDispose();
                        connect.RestBuffCount();
                        connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
                    }
                    else if (connect.MessageLenght > connect.BufferStream.Length)
                    {
                        connect.RestBuffCount();
                        connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.StreamBuffLen(), SocketFlags.None, SubReceiveCb, connect);
                    }
                    else
                    {
                        FDebug.Log("MS < s.lenght");
                    }
                }
            }
            catch (Exception e)
            {
                FDebug.Log(e.Message + "SubReceiveCb  err");
            }
        }
 public void AsyncAccept(IAsyncResult Ar)
 {
     try
     {
         Socket socket = Server_Socket.EndAccept(Ar);
         int    Index  = Get_Connect_Index();
         if (Index < 0)
         {
             socket.Close();
             FDebug.Log("警告:连接已满");
         }
         else
         {
             Connect connect = connects[Index];
             connect.Init(socket);
             FDebug.Log("与{0}建立连接", connect.GetAddress());
             connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
         }
         Server_Socket.BeginAccept(AsyncAccept, null);
     }
     catch (Exception e)
     {
         FDebug.Log("AsyncAccept失败 :" + e.Message);
     }
 }