lyfz_repos/铂金版源码/LYFZ.ServerNetwork/TCP_FileProtocol.cs

using System;
using System.Collections.Generic;
//using System.Linq;
using System.Text;
using System.Xml;
using LYFZ.Network.EnumerateLibrary;
namespace LYFZ.Network
{
    /// <summary>
    /// FileProtocol结构，用来为整个协议字符串提供强类型的访问，
    /// 注意这里覆盖了基类的ToString()方法，这样在客户端我们就不需要再手工去编写XML，只
    /// 要在结构值上调用ToString()就OK了，会方便很多。
    /// </summary>
    public struct TCP_FileProtocol
    {
        private readonly InformationType infoType;
        private readonly string content;
        private string _ExtraInfo;
        private string _ClientInfo;

      
        public TCP_FileProtocol(string content, string extraInfo="")
        {
            this.infoType =  InformationType.Message;
            this.content = content;
            this._ExtraInfo = extraInfo;
            this._ClientInfo = "";
            this._ReceiveFileSize = 0;
            this.dataArray = null;
            this._ServerStartTimeStamp = LYFZ.Network.TCPNetworkServer.TCP_NetworkServer.ServerStartTimeStamp; 

        }

       /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="type">TCP数据传输类型</param>
        /// <param name="content">传送的文字信息内容</param>
        /// <param name="mode">FileRequestMode枚举 标记是发送还是接收</param>
        /// <param name="port">端口</param>
        /// <param name="fileName">文件名</param>
        /// <param name="clientInfo">客户端连接信息</param>
        public TCP_FileProtocol(InformationType type, string content, string extraInfo = "", string clientInfo="")
        {
            this.infoType = type;
            this.content = content;
            this._ExtraInfo = extraInfo;
            this._ClientInfo = clientInfo;
            this._ReceiveFileSize = 0;
            this.dataArray = null;
            this._ServerStartTimeStamp = LYFZ.Network.TCPNetworkServer.TCP_NetworkServer.ServerStartTimeStamp; 

        }
        public string ClientInfo
        {
            get { return _ClientInfo; }
            set { _ClientInfo = value; }
        }
        /// <summary>
        /// TCP数据传输类型 标记是文本信息传输 或 是文件类型传输
        /// </summary>
        public InformationType InfoType
        {
            get { return infoType; }
        } 
       
        /// <summary>
        /// 文件名
        /// </summary>
        public string ExtraInfo
        {
            get { return _ExtraInfo; }
            set { _ExtraInfo = value; }
        }
        /// <summary>
        /// 传送的文字信息内容
        /// </summary>
        public string Content
        {
            get { return content; }
        }
        long _ReceiveFileSize;

        public long ReceiveFileSize
        {
            get { return _ReceiveFileSize; }
            set { _ReceiveFileSize = value; }
        }
       string _ServerStartTimeStamp;
       /// <summary>
       /// 服务器启动时间标识
       /// </summary>
       public  string ServerStartTimeStamp
       {
           get { return _ServerStartTimeStamp; }
           set { _ServerStartTimeStamp = value; }
       }
       byte[] dataArray;
        /// <summary>
        /// 数据传输时的二进制数组
        /// </summary>
       public byte[] DataArray
       {
           get { return dataArray; }
           set { dataArray = value; }
       }

        /// <summary>
        /// 获取协议XML字符串
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
           
                StringBuilder strXML = new StringBuilder();
                string thisInfoType = InfoType.ToString();
                if (InfoType == InformationType.Message)
                {
                    thisInfoType = "msg";
                }
                else if (InfoType == InformationType.File)
                {
                    thisInfoType = "file";
                }
                string encodeContent = Content;
                string encodeExtraInfo = ExtraInfo;
             
                    encodeContent = LYFZ.WinAPI.SDKSecurity.Encode(Content);
                    encodeExtraInfo = LYFZ.WinAPI.SDKSecurity.Encode(ExtraInfo);
                
                strXML.Append("<lyfz_protocol>");
                strXML.Append(String.Format("<information  Type=\"{0}\"  ExtraInfo=\"{1}\" ReceiveFileSize=\"{2}\" ClientInfo=\"{3}\" ServerStartTimeStamp=\"{4}\"><![CDATA[{5}]]></information>", thisInfoType, encodeExtraInfo, ReceiveFileSize, ClientInfo, this.ServerStartTimeStamp, encodeContent));
                strXML.Append("</lyfz_protocol>");
                return strXML.ToString();

        }
    }
}