lyfz_repos/其他源码/HPNetwork/TCPNetworkClient/TCP_NetworkClient.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.IO;
using System.ComponentModel;
using HPSocketCS.Extended;
using System.Runtime.InteropServices;
namespace HPNetwork.TCPNetworkClient
{
    /// <summary>
    /// TCP网络通信客户端
    /// </summary>
   public class TCP_NetworkClient
    {

       public TCP_NetworkClient() { 
          
       }

       #region 网络客户端程序处理代码

      TCP_NetworkClient tFileClient=null;
       /// <summary>
       /// 文件传送通道
       /// </summary>
       public TCP_NetworkClient TFileClient
       {
           get {
               if (this.tFileClient == null)
               {
                   this.tFileClient = new TCP_NetworkClient();
               }
               return this.tFileClient;
           }

       }     

       private AppState appState = AppState.Stoped;
       /// <summary>
       /// 当前网络状态
       /// </summary>
       public AppState AppState
       {
           get { return appState; }
           set { appState = value; }
       }

      // private delegate void ConnectUpdateUiDelegate();
      // private delegate void SetAppStateDelegate(AppState state);
       HPSocketCS.TcpPackClient client = new HPSocketCS.TcpPackClient();
       /// <summary>
       /// 客户端连接
       /// </summary>
       public HPSocketCS.TcpPackClient Client
       {
           get { return client; }
       }

      /// <summary>
       /// 连接服务器
      /// </summary>
      /// <param name="ip">ip</param>
      /// <param name="port">端口</param>
      /// <param name="isAsyncConn">是否异步连接</param>
      /// <returns></returns>
       public bool ConnectionServer(string hostOrIP="", ushort port=0, bool isAsyncConn = false)
       {
			try
			{
				if (this.AppState == HPSocketCS.Extended.AppState.Started)
				{
					return true;
				}
				if (!this.isInitializesNetwork)
				{
					this.InitializesNetwork();
				}

				bool cAsyncConn = isAsyncConn;

				// 写在这个位置是上面可能会异常
				SetAppState(AppState.Starting);

				// AddMsg(string.Format("$Client Starting ... -> ({0}:{1})", ip, port));
				SystemFileLogs.WriteLogs(string.Format("客户端开始连接... -> ({0}:{1})", hostOrIP, port));
				if (client.Connetion(hostOrIP, port, cAsyncConn))
				{
					if (cAsyncConn == false)
					{
						SetAppState(AppState.Started);
					}

					// AddMsg(string.Format("$Client Start OK -> ({0}:{1})", ip, port));
					SystemFileLogs.WriteLogs(string.Format("客户端连接OK -> ({0}:{1})", hostOrIP, port));
					return true;
				}
				else
				{
					SetAppState(AppState.Stoped);
					throw new Exception(string.Format("客户端连接出错 -> {0}({1})", client.ErrorMessage, client.ErrorCode));
				}


			}
			catch (Exception ex)
			{
				SystemFileLogs.WriteLogs(string.Format("客户端连接失败-> ({0})", ex.Message));
			}
			return false;
		}
		/// <summary>
		/// 关闭客户端连接
		/// </summary>
		/// <returns></returns>
		public bool CloseConnected()
       {
           // 停止服务
           SystemFileLogs.WriteLogs(string.Format("准备关闭客户端连接"));
           if (this.AppState == HPSocketCS.Extended.AppState.Started)
           {
               if (client.Stop())
               {
                   SetAppState(AppState.Stoped);
                   if (this.tFileClient != null && this.tFileClient.AppState == HPSocketCS.Extended.AppState.Started)
                   {
                       this.tFileClient.CloseConnected();
                   }
                   return true;
               }
               else
               {
                   // AddMsg(string.Format("$Stop Error -> {0}({1})", client.ErrorMessage, client.ErrorCode));
                   SystemFileLogs.WriteLogs(string.Format("关闭客户端连接失败-> {0}({1})", client.ErrorMessage, client.ErrorCode));
               }
           }
           else {
               return true;
           }
           return false;
       }

       bool isInitializesNetwork = false;
       /// <summary>
       /// 网络服务是否已初始化
       /// </summary>
       public bool IsInitializesNetwork
       {
           get { return isInitializesNetwork; }
           set { isInitializesNetwork = value; }
       }


        /// <summary>
       /// 初始化网络
       /// </summary>
       void InitializesNetwork()
       {
           try
           {
               
               // 设置client事件
               client.OnPrepareConnect += new HPSocketCS.TcpClientEvent.OnPrepareConnectEventHandler(OnPrepareConnect);
               client.OnConnect += new HPSocketCS.TcpClientEvent.OnConnectEventHandler(OnConnect);
               client.OnSend += new HPSocketCS.TcpClientEvent.OnSendEventHandler(OnSend);
               client.OnReceive += new HPSocketCS.TcpClientEvent.OnReceiveEventHandler(OnReceive);
               client.OnClose += new HPSocketCS.TcpClientEvent.OnCloseEventHandler(OnClose);

               // 设置包头标识,与对端设置保证一致性
               client.PackHeaderFlag = 0x1ff;
               // 设置最大封包大小
               client.MaxPackSize = 0x2000 * 32;
               client.SocketBufferSize = 512 * 1024;//client.MaxPackSize;
               SystemFileLogs.WriteLogs("客户初始化网络成功");
               SetAppState(AppState.Stoped);
               this.isInitializesNetwork = true;
           }
           catch (Exception ex)
           {
               SetAppState(AppState.Error);
              // AddMsg(ex.Message);
               SystemFileLogs.WriteLogs("客户初始化网络时出错：" + ex.Message);
           }
       }
       HPSocketCS.HandleResult OnPrepareConnect(HPSocketCS.TcpClient sender, uint socket)
       {
           return HPSocketCS.HandleResult.Ok;
       }

       HPSocketCS.HandleResult OnConnect(HPSocketCS.TcpClient sender)
       {
           // 已连接 到达一次
           // 设置附加数据
           string ip = "";
           ushort port = 0;
           if (sender.GetListenAddress(ref ip, ref port))
           {
               HPSocketCS.Extended.ClientInfo ci = new HPSocketCS.Extended.ClientInfo();
               ci.ConnId = sender.ConnectionId;
               ci.IpAddress = ip;
               ci.Port = port;
               sender.SetExtra(ci);
           }

           // 如果是异步联接,更新界面状态
          // this.Invoke(new ConnectUpdateUiDelegate(ConnectUpdateUi));

          // AddMsg(string.Format(" > [{0},OnConnect]", sender.ConnectionId));
           SystemFileLogs.WriteLogs("已连接：" + ip + ":" + port.ToString());
           return HPSocketCS.HandleResult.Ok;
       }


       HPSocketCS.HandleResult OnSend(HPSocketCS.TcpClient sender, byte[] bytes)
       {
           
           // 客户端发数据了
           //AddMsg(string.Format(" > [{0},OnSend] ->数据发送成功 ({1} bytes)", sender.ConnectionId, bytes.Length));
          
           return HPSocketCS.HandleResult.Ok;
       }

       HPSocketCS.HandleResult OnReceive(HPSocketCS.TcpClient sender, byte[] bytes)
       {
           // 数据到达了
           try
           {

               //收到的数据
               byte[] receiveBytes = new byte[0];

               TcpHeadInfo header = sender.BytesToStruct<TcpHeadInfo>(bytes);
               try
               {
                   DataType dType = (DataType)header.MsgDataType;
                   int headSize = Marshal.SizeOf(header);
                   TcpTailInfo tail = new TcpTailInfo();
                  
                   if (header.IsTail)
                   {
                       //有附加尾数据时
                       int tailSize = Marshal.SizeOf(tail);
                       byte[] tailBytes = new byte[tailSize];
                       Array.ConstrainedCopy(bytes, bytes.Length - tailSize, tailBytes, 0, tailBytes.Length);
                       tail = sender.BytesToStruct<TcpTailInfo>(tailBytes);
                       receiveBytes = new byte[bytes.Length - headSize - tailSize];
                       Array.ConstrainedCopy(bytes, headSize, receiveBytes, 0, receiveBytes.Length);
                       tailBytes = null;
                   }
                   else
                   {
                       // 因为没有附加尾数据,所以大小可以用length - objSize
                       receiveBytes = new byte[bytes.Length - headSize];
                       Array.ConstrainedCopy(bytes, headSize, receiveBytes, 0, receiveBytes.Length);
                   }
                   
                   ReceiveCacheBuffer recBuffer = sender.CCommonLibrary.GetReceiveCacheBuffer(header.TransportID);
                   if (recBuffer != null)
                   {
                       lock (recBuffer)
                       {
                           recBuffer.Length += receiveBytes.Length;
                           if (recBuffer.BackgroundWorker != null)
                           {
                               //总计数器
                               long sumCount = header.IntactSize;
                               if (dType == DataType.File)
                               {
                                   sumCount = tail.FileSize;
                               }
                               //当前计数器
                               long currentCount = recBuffer.Length;
                               if (header.TransportEnd && tail.IsSendComplete)
                               {
                                   currentCount = Convert.ToInt64(sumCount);
                               }

                               CommonLibrary.SetBackgroundWorker(sumCount, currentCount,"正在接收数据，请稍等...", recBuffer.BackgroundWorker);

                           }
                       }
                   }

                   //接收到的客户端发送来的数据
                   byte[] recbytes = null;
                   try
                   {
                       if (header.TransportStart && header.TransportEnd)
                       {
                           recbytes = receiveBytes;
                           receiveBytes = null;
                       }
                       else
                       {
                           ReceiveData rData = sender.CCommonLibrary.GetReceiveData(header);
                           if (rData == null)
                           {
                               rData = new ReceiveData();
                               sender.CCommonLibrary.AddReceiveData(rData);
                           }
                           rData.ReceiveRemoteClientInfo = header;
                           rData.ReceiveDataMstream.Write(receiveBytes, 0, receiveBytes.Length);
                           if (header.TransportEnd)
                           {
                               recbytes = rData.ReceiveDataMstream.ToArray();
                               sender.CCommonLibrary.RemoveReceiveDataData(rData);
                           }
                       }

                       if (recbytes != null)
                       {
                           recbytes = HPSocketCS.Extended.DataSetSerializerDeserialize.DataDecompressRetBytes(recbytes);

                           if (!header.IsTail && header.TransportEnd)
                           {
                               tail.IsSendComplete = true;
                           }
                           switch (dType)
                           {
                               case DataType.Text:

                                   if (recBuffer != null)
                                   {

                                       if (!recBuffer.ReceiveComplete(recbytes,tail.IsSendComplete))
                                       {
                                           return HPSocketCS.HandleResult.Error;
                                       }
                                   }
                                   break;
                               case DataType.File:
                                   if (!sender.ReceiveDownloadFile(header, tail, recBuffer, recbytes))
                                   {
                                       return HPSocketCS.HandleResult.Error;
                                   }

                                   break;
                               case DataType.Serialization:
                               case DataType.SQLHelper:
                                   if (recBuffer != null)
                                   {

                                       if (!recBuffer.ReceiveComplete(recbytes, tail.IsSendComplete))
                                       {
                                           return HPSocketCS.HandleResult.Error;
                                       }
                                   }
                                  // break;
                               
                                   break;
                               case DataType.List:

                                   break;
                               case DataType.Array:

                                   break;
                               case DataType.None:

                                   break;
                              
                           }
                       }
                   }
                   finally
                   {
                       recbytes = null;
                   }

                   return HPSocketCS.HandleResult.Ok;
               }
               catch
               {
                   sender.CCommonLibrary.RemoveServerToClientByteList(header.TransportID);
                   return HPSocketCS.HandleResult.Ignore;
               }

           }
           catch (Exception ex)
           {
               SystemFileLogs.WriteLogs("接收数据时出错：" + ex.Message);
               return HPSocketCS.HandleResult.Error;
           }
           finally
           {
               System.GC.Collect();
           }


       }

       HPSocketCS.HandleResult OnClose(HPSocketCS.TcpClient sender, HPSocketCS.SocketOperation enOperation, int errorCode)
       {
           try
           {
               try
               {
                   sender.CCommonLibrary.ClearAllInvalidResource();
               }
               catch { }
               try
               {
                   sender.CCommonLibrary.ClearAllServerToClientByteList();
               }
               catch { }
               SetAppState(AppState.Stoped);
               if (errorCode == 0)
               {
                   // 连接关闭了
                   // AddMsg(string.Format(" > [{0},OnClose]", sender.ConnectionId));
                   SystemFileLogs.WriteLogs("连接关闭了");
               }
               else if (enOperation == HPSocketCS.SocketOperation.Close)
               {
                   SystemFileLogs.WriteLogs(string.Format(" 服务器已关闭连接> [{0},OnError] -> OP:{1},CODE:{2}", sender.ConnectionId, enOperation, errorCode));
               }
               else
               {
                   // 出错了
                   // AddMsg(string.Format(" > [{0},OnError] -> OP:{1},CODE:{2}", sender.ConnectionId, enOperation, errorCode));
                   SystemFileLogs.WriteLogs(string.Format(" 连接出错了> [{0},OnError] -> OP:{1},CODE:{2}", sender.ConnectionId, enOperation, errorCode));

               }


               // 通知界面,只处理了连接错误,也没进行是不是连接错误的判断,所以有错误就会设置界面
               // 生产环境请自己控制
               //  this.Invoke(new SetAppStateDelegate(SetAppState), AppState.Stoped);
           }
           catch { }
           return HPSocketCS.HandleResult.Ok;
       }
       /// <summary>
       /// 设置程序状态
       /// </summary>
       /// <param name="state"></param>
       void SetAppState(AppState state)
       {

           appState = state;

       }

      



      
       
       /// <summary>
       /// 上传头像
       /// </summary>
       /// <param name="fileFullName">要上传的头像路径</param>
       /// <param name="backgroundWorker"></param>
       /// <returns></returns>
       public string UploadAvatarToServer(string fileFullName, BackgroundWorker backgroundWorker = null)
       {
           return SendFileCommandToServer(HPSocketCS.Extended.TransferRequestCommand.UploadAvatar, fileFullName, System.IO.Path.GetFileName(fileFullName), backgroundWorker);
       }

       /// <summary>
       /// 上传文件
       /// </summary>
       /// <param name="fileFullName">要上传的文件路径</param>
       /// <param name="toServerFileFullName">上传到服务器上的目录路径 以服务器程序的根目录定为 如“UpdateTemp\\testFile.rar”</param>
       /// <param name="backgroundWorker"></param>
       /// <returns></returns>
       public string UploadFileToServer(string fileFullName, string toServerFileFullName, BackgroundWorker backgroundWorker = null)
       {

           return SendFileCommandToServer(HPSocketCS.Extended.TransferRequestCommand.UploadFile, fileFullName, toServerFileFullName, backgroundWorker);

       }
       /// <summary>
       /// 上传图片
       /// </summary>
       /// <param name="img">要上传的图片</param>
       /// <param name="imgFormat">上传的图片格式</param>
       /// <param name="toServerFileFullName">上传到服务器上的目录路径 以服务器程序的根目录定为 如“UpdateTemp\\testFile.rar”</param>
       /// <param name="isDisposeImg">上传后是否释放图片资源</param>
       /// <param name="backgroundWorker"></param>
       /// <returns></returns>
       public string UploadFileToServer(System.Drawing.Image img, System.Drawing.Imaging.ImageFormat imgFormat, string toServerFileFullName, BackgroundWorker backgroundWorker = null, bool isDisposeImg = true)
       {
           MemoryStream memoryMS = new MemoryStream();
           img.Save(memoryMS, imgFormat);
           if (isDisposeImg)
           {
               img.Dispose();
           }

           return SendFileCommandToServer(HPSocketCS.Extended.TransferRequestCommand.UploadFile, "", toServerFileFullName, backgroundWorker, memoryMS: memoryMS);

       }

       /// <summary>
       /// 上传内存流
       /// </summary>
       /// <param name="memoryMS">要上传的内存流</param>
       /// <param name="toServerFileFullName">上传到服务器上的目录路径 以服务器程序的根目录定为 如“UpdateTemp\\testFile.rar”</param>
       /// <param name="isDisposeImg">上传后是否释放图片资源</param>
       /// <param name="backgroundWorker"></param>
       /// <returns></returns>
       public string UploadFileToServer(MemoryStream memoryMS, string toServerFileFullName, BackgroundWorker backgroundWorker = null)
       {

           return SendFileCommandToServer(HPSocketCS.Extended.TransferRequestCommand.UploadFile, "", toServerFileFullName, backgroundWorker, memoryMS: memoryMS);

       }



       /// <summary>
       /// 获取指定服务器端文件的信息
       /// </summary>
       /// <param name="sFileName">为你向服务器请求的文件路径，以服务器程序的根目录定位 如“UpdateTemp\\testFile.rar”</param>
       /// <returns></returns>
       public ServerFileInfo GetServerFileInfo(string sFileName)
       {
           ServerFileInfo sFileInfo = new ServerFileInfo();
           if (this.AppState == HPSocketCS.Extended.AppState.Started)
           {
               try
               {
                  
                  // sFileInfo = new ServerFileInfo(sendFileProtocol.Content);
               }
               catch { sFileInfo.GetMsg = "连接已断开，请检查网络环境是否正常..."; }
           }

           return sFileInfo;
       }


       /// <summary>
       /// 下载头像
       /// </summary>
       /// <param name="backgroundWorker"></param>
       /// <param name="saveFileFullName">头像下载后保存的位置</param>
       /// <param name="fileName">头像图片名（带扩展名）</param>
       /// <returns></returns>
       public string DownloadAvatar(string saveFileFullName, string fileName, BackgroundWorker backgroundWorker = null)
       {
           return ReceiveFileCommandToServer(null, HPSocketCS.Extended.TransferRequestCommand.DownloadAvatar, fileName, fileName, backgroundWorker);
       }
       /// <summary>
       /// 下载头像
       /// </summary>
       /// <param name="backgroundWorker"></param>
       /// <param name="memoryMS">保存到指定的内存流中</param>
       /// <param name="fileName">头像图片名（带扩展名）</param>
       /// <returns></returns>
       public string DownloadAvatar(MemoryStream memoryMS, string fileName, BackgroundWorker backgroundWorker = null)
       {
           return ReceiveFileCommandToServer(memoryMS, HPSocketCS.Extended.TransferRequestCommand.DownloadAvatar, "", fileName, backgroundWorker);
       }
       /// <summary>
       /// 下载头像
       /// </summary>
       /// <param name="resultBitmap">返回下载的图片</param>
       /// <param name="fileName">头像图片名（带扩展名）</param>
       /// <param name="backgroundWorker"></param>
       /// <returns></returns>
       public string DownloadAvatar(ref System.Drawing.Bitmap resultBitmap, string fileName, BackgroundWorker backgroundWorker = null)
       {
           try
           {
               MemoryStream ImageMS = new MemoryStream();

               string retMsg = ReceiveFileCommandToServer(ImageMS, HPSocketCS.Extended.TransferRequestCommand.DownloadAvatar, "", fileName, backgroundWorker);
               try
               {
                   resultBitmap = new System.Drawing.Bitmap(ImageMS);
               }
               catch
               {
                   retMsg = "下载失败，头像生成时失败";
               }
               ImageMS.Close();
               ImageMS.Dispose();
               return retMsg;

           }
           catch (Exception ex)
           {
               return "下载失败：" + ex.ToString();
           }
       }
       /// <summary>
       /// 下载文件
       /// </summary>
       /// <param name="saveFileFullName">下载后保存的位置</param>
       /// <param name="serverFileFullName">为你向服务器请求要下载的文件路径，以服务器程序的根目录定位 如“UpdateTemp\\testFile.rar”</param>
       /// <param name="backgroundWorker"></param>
       /// <returns></returns>
       public string DownloadFile(string saveFileFullName, string serverFileFullName, BackgroundWorker backgroundWorker = null)
       {
           return ReceiveFileCommandToServer(null, HPSocketCS.Extended.TransferRequestCommand.DownloadFile, saveFileFullName, serverFileFullName, backgroundWorker);
       }
       
      
     
       /// <summary>
       /// 下载文件
       /// </summary>  
       /// <param name="memoryMS">保存到指定的内存流中</param>
       /// <param name="serverFileFullName">为你向服务器请求要下载的文件路径，以服务器程序的根目录定位 如“UpdateTemp\\testFile.rar”</param>
       /// <param name="backgroundWorker"></param>
       /// <returns></returns>
       public string DownloadFile(MemoryStream memoryMS, string serverFileFullName, BackgroundWorker backgroundWorker = null)
       {
           return ReceiveFileCommandToServer(memoryMS, HPSocketCS.Extended.TransferRequestCommand.DownloadFile, "", serverFileFullName, backgroundWorker);
       }

       /// <summary>
       /// 下载图像
       /// </summary>
       /// <param name="backgroundWorker"></param>
       /// <param name="resultBitmap">返回下载的图片</param>
       /// <param name="fileName">要下载的图片路径，以服务器程序的根目录定位 如“UpdateTemp\\test.jpg”</param>
       /// <returns></returns>
       public string DownloadBitmap(ref System.Drawing.Bitmap resultBitmap, string fileName, BackgroundWorker backgroundWorker = null)
       {
           try
           {
               string retMsg = "";
               if (LYFZ.WinAPI.CustomPublicMethod.ExistsImgage(fileName))
               {
                   MemoryStream ImageMS = new MemoryStream();
                   retMsg = ReceiveFileCommandToServer(ImageMS, HPSocketCS.Extended.TransferRequestCommand.DownloadFile, "", fileName, backgroundWorker);
                   if (retMsg.Contains("成功"))
                   {
                       try
                       {
                           resultBitmap = new System.Drawing.Bitmap(ImageMS);
                       }
                       catch
                       {
                           retMsg = "下载失败，图像生成失败";
                       }
                   }
                   else
                   {
                       if (retMsg.Trim() == "")
                       {
                           retMsg = "下载失败，请重试";
                       }

                   }
                   ImageMS.Close();
                   ImageMS.Dispose();
               }
               else
               {
                   retMsg = "您请求下载的文件不是图片，不能下载";
               }
               return retMsg;

           }
           catch (Exception ex)
           {
               return "下载失败：" + ex.ToString();
           }
       }

       /// <summary>
       /// 向服务器上传文件
       /// </summary>
       /// <param name="command">上传命令</param>
       /// <param name="fileFullName">上传的文件全路径</param>
       /// <param name="toServerFileFullName">上传到服务器上的目录路径 以服务器程序的根目录定位 如“UpdateTemp\\testFile.rar”</param>
       /// <param name="backgroundWorker">参数</param>
       /// <param name="memoryMS"></param>
       /// <param name="autoMainStoreDownload">如果是分店是否自动上传文件到总店服务器</param>
       /// <returns></returns>
       public string SendFileCommandToServer(HPSocketCS.Extended.TransferRequestCommand command = HPSocketCS.Extended.TransferRequestCommand.UploadAvatar, string fileFullName = "", string toServerFileFullName = "", BackgroundWorker backgroundWorker = null, MemoryStream memoryMS = null)
       {
           string tempMsg = "";
           string fileName = toServerFileFullName;
           bool ret = false;
           TCP_NetworkClient myUploadClient = this.TFileClient;

           
               if (this.TFileClient.AppState != HPSocketCS.Extended.AppState.Started)
               {
                   this.TFileClient.ConnectionServer();
               }
           

           
           if (command == HPSocketCS.Extended.TransferRequestCommand.DownloadAvatar)
           {
               //如果是上传头像时设置头像路径
               toServerFileFullName = "Resources\\Avatar\\User\\" + System.IO.Path.GetFileName(toServerFileFullName);
           }


           if (myUploadClient.AppState == HPSocketCS.Extended.AppState.Started)
           {
               ServerFileInfo downloadFileInfo = myUploadClient.GetServerFileInfo(toServerFileFullName);

               bool isUpload = true;//是否需要上传文件 用于判断要上传的文件是否在服务器上存在，如果存在就不上传
               if (downloadFileInfo.IsExists)
               {

                   if (downloadFileInfo.FileMd5.Trim().Length > 0)
                   {
                       if (memoryMS == null && fileFullName.Trim().Length > 0)
                       {
                           if (System.IO.File.Exists(fileFullName.Trim()))
                           {
                               FileInfo fi = new FileInfo(fileFullName.Trim());
                               if (fi.Length < HPSocketCS.Sdk.FileMD5VerifySize)
                               {
                                   string saveFileMd5 = LYFZ.WinAPI.SDKSecurity.GetMD5HashFromFile(fileFullName.Trim());
                                   if (LYFZ.WinAPI.SDKSecurity.VerifyMd5Hash(downloadFileInfo.FileMd5.Trim(), saveFileMd5))
                                   {
                                       isUpload = false;
                                   }
                               }
                           }
                       }
                       else if (memoryMS != null)
                       {
                           if (downloadFileInfo.FileMd5.Trim().Length > 0)
                           {
                               memoryMS.Position = 0;
                               byte[] bytes = new byte[memoryMS.Length];
                               memoryMS.Read(bytes, 0, bytes.Length);
                               string saveFileMd5 = LYFZ.WinAPI.SDKSecurity.GetMD5HashFromFile(bytes);
                               Array.Clear(bytes, 0, bytes.Length);
                               bytes = null;
                               if (LYFZ.WinAPI.SDKSecurity.VerifyMd5Hash(downloadFileInfo.FileMd5.Trim(), saveFileMd5))
                               {
                                   isUpload = false;
                               }
                           }
                       }
                   }


               }

               if (isUpload)
               {
                   if (fileFullName.Trim().Length > 0 && System.IO.File.Exists(fileFullName.Trim()) && memoryMS == null)
                   {
                       ret = myUploadClient.Client.UploadFiles(fileFullName.Trim(), toServerFileFullName, backgroundWorker);
                   }
                   else if (memoryMS != null)
                   {
                       ret = myUploadClient.Client.UploadMemoryStream(memoryMS, toServerFileFullName, backgroundWorker);
                   }
                   else
                   {
                       return "要上传的文件不存在：" + fileFullName;
                   }
               }
               else
               {
                   ret = true;
               }
           }
           else
           {
               return "网络连接失败，请检查网络环境";
           }
           if (ret)
           {
               tempMsg = "上传成功";
           }
           else
           {
               tempMsg = "上传失败";
           }
           return tempMsg;
       }

       /// <summary>
       /// 临时缓存文件目录
       /// </summary>
       static string TemporaryCachefilesPath = LYFZ.WinAPI.CustomPublicMethod.GetFullDirectoryPath(LYFZ.WinAPI.CustomPublicMethod.BasePath) + "Temp\\TemporaryCachefiles\\";


       //  static bool isFileServerIng = false;
       /// <summary>
       /// 从服务器下载文件
       /// </summary>
       /// <param name="memoryMS"></param>
       /// <param name="command">下载命令</param>
       /// <param name="saveFileFullName">下载后要保存的文件全路</param>
       /// <param name="serverFileFullName">为你向服务器请求要下载的文件路径，以服务器程序的根目录定位 如“UpdateTemp\\testFile.rar”</param>
       /// <param name="backgroundWorker"></param>
       /// <param name="requestNumber">请求下载的次数 用于在下载失败时判断是否自动重新请求下载</param>
       /// <param name="autoMainStoreDownload">如果是分店是否自动到总店服务器下载文件</param>
       /// <returns></returns>
       public string ReceiveFileCommandToServer(MemoryStream memoryMS = null, HPSocketCS.Extended.TransferRequestCommand command = HPSocketCS.Extended.TransferRequestCommand.DownloadAvatar, string saveFileFullName = "", string serverFileFullName = "", BackgroundWorker backgroundWorker = null)
       {

           string tempMsg = "";
           // if (!isFileServerIng)
           {

               try
               {
                   bool ret = false;
                   TCP_NetworkClient myDownLoadClient =  this.TFileClient;
                       if (myDownLoadClient.AppState != HPSocketCS.Extended.AppState.Started)
                       {
                           myDownLoadClient.ConnectionServer();
                       }
                   


                   

                   if (myDownLoadClient.AppState == HPSocketCS.Extended.AppState.Started)
                   {
                       if (command == HPSocketCS.Extended.TransferRequestCommand.DownloadAvatar)
                       {
                           //如果是下载头像时设置头像在服务器上的路径
                           serverFileFullName = "Resources\\Avatar\\User\\" + System.IO.Path.GetFileName(serverFileFullName);
                       }

                       ServerFileInfo downloadFileInfo = myDownLoadClient.GetServerFileInfo(serverFileFullName);

                       if (downloadFileInfo.IsExists)
                       {
                           if (memoryMS == null && saveFileFullName.Trim().Length > 0)
                           {
                               if (downloadFileInfo.FileSize < HPSocketCS.Sdk.FileMD5VerifySize && downloadFileInfo.FileMd5.Trim().Length > 0 && System.IO.File.Exists(saveFileFullName.Trim()))
                               {
                                   string saveFileMd5 = LYFZ.WinAPI.SDKSecurity.GetMD5HashFromFile(saveFileFullName.Trim());
                                   if (LYFZ.WinAPI.SDKSecurity.VerifyMd5Hash(downloadFileInfo.FileMd5.Trim(), saveFileMd5))
                                   {
                                       ret = true;
                                   }
                                   else
                                   {
                                       ret = myDownLoadClient.Client.DownloadFiles(serverFileFullName, saveFileFullName.Trim(), backgroundWorker);
                                   }
                               }
                               else
                               {
                                   ret = myDownLoadClient.Client.DownloadFiles(serverFileFullName, saveFileFullName.Trim(), backgroundWorker);
                               }
                           }
                           else if (memoryMS != null)
                           {
                               string TempCachefilePath = TemporaryCachefilesPath + downloadFileInfo.FileMd5 + "_" + System.IO.Path.GetFileName(serverFileFullName);
                               byte[] TempCachefileBytes = null;
                               bool TempCachefileExists = false;
                               try
                               {
                                   if (System.IO.File.Exists(TempCachefilePath))
                                   {
                                      TempCachefileBytes= System.IO.File.ReadAllBytes(TempCachefilePath);
                                      TempCachefileExists = true;
                                   }
                               }
                               catch { }
                               if (!TempCachefileExists)
                               {
                                   MemoryStream recMemoryMS = myDownLoadClient.Client.DownloadMemoryStream(serverFileFullName, backgroundWorker);
                                   if (recMemoryMS != null)
                                   {
                                       try
                                       {
                                           if (!System.IO.Directory.Exists(TemporaryCachefilesPath))
                                           {
                                               System.IO.Directory.CreateDirectory(TemporaryCachefilesPath);
                                           }
                                           recMemoryMS.Position = 0;
                                           byte[] bytes = new byte[recMemoryMS.Length];
                                           recMemoryMS.Read(bytes, 0, bytes.Length);
                                           
                                           System.IO.File.WriteAllBytes(TempCachefilePath, bytes);
                                           Array.Clear(bytes, 0, bytes.Length);
                                           bytes = null;
                                       }
                                       catch { }
                                       recMemoryMS.WriteTo(memoryMS);
                                       memoryMS.Position = 0;
                                       recMemoryMS.Close();
                                       recMemoryMS.Dispose();
                                       recMemoryMS = null;
                                       ret = true;
                                   }
                               }
                               else {
                                   memoryMS.Write(TempCachefileBytes, 0, TempCachefileBytes.Length);
                                   System.Array.Clear(TempCachefileBytes, 0, TempCachefileBytes.Length);
                                   TempCachefileBytes = null;
                                   ret = true;
                               }
                           }
                           else
                           {
                               return "下载请求错误";
                           }

                       }
                       else
                       {
                           return downloadFileInfo.GetMsg;
                       }
                   }
                   else
                   {
                       return "网络连接失败，请检查网络环境";
                   }

                   if (ret)
                   {
                       tempMsg = "下载成功";
                   }
                   else
                   {
                       tempMsg = "下载失败";
                   }
               }
               catch (Exception ex)
               {
                   tempMsg = "下载出错：" + ex.Message;
               }
               // finally
               // {
               // isFileServerIng = false;

               // }
           }


           return tempMsg;
       }



       #endregion

       
    }
}