public static void SafeReadFile(Stream stream, string guId, string FileName, string FilePath)
{
int bufferLength = 32768;
//文件数据块编号
int _order_Num = 0;
//初始化一个32k的缓存
//byte[] buffer = new byte[32768];
byte[] buffer = new byte[bufferLength];
int byteLength = 0;
int read = 0;
int block;
//每次从流中读取缓存大小的数据，知道读取完所有的流为止
TransferSendFileObj fileObj0 = new TransferSendFileObj();
FilesQueue.Instance.Get(guId, out fileObj0);
fileObj0.Status = SendFileStatus.Reading;
FilesQueue.Instance.Add(guId, fileObj0);
//Utility.Log.Log.writeLineToLog("开始读取文件","Read");
while ((block = stream.Read(buffer, 0, buffer.Length)) > 0)
{
byteLength = byteLength + block;
//重新设定读取位置
read += block;
_order_Num = _order_Num + 1;
//检查是否到达了缓存的边界，检查是否还有可以读取的信息
if (block == buffer.Length)
{
//压入文件块传输缓存队列
TransferFileDataObj fileBlock = new TransferFileDataObj();
fileBlock.guId = guId;
Array.Copy(buffer, fileBlock.FileData, buffer.Length);
fileBlock.FilePath = FilePath;
fileBlock.Order_Num = _order_Num;
fileBlock.FileName = FileName;
fileBlock.CanReadLength = bufferLength;
FilesBlocksQueue.Instance.Add(fileBlock);
//Utility.Log.Log.writeLineToLog("读取文件块入队列：" + _order_Num.ToString(), "Read");
FilesQueue.Instance.Get(guId, out fileObj0);
fileObj0.ReadSize = fileObj0.ReadSize + block;
fileObj0.Status = SendFileStatus.Reading;
// 尝试读取一个字节
int nextByte = stream.ReadByte();
// 读取失败则说明读取完成可以返回结果
if (nextByte == -1)
{
fileBlock.EndFlag = true;
//FilesQueue.Instance.Get(guId, out fileObj0);
fileObj0.Status = SendFileStatus.ReadEnd;
FilesQueue.Instance.Add(guId, fileObj0);
TransferSendFileObj2 fileObj2 = new TransferSendFileObj2();
fileObj2.BlockNum = _order_Num;
fileObj2.DataBlockCount = _order_Num;
fileObj2.FileName = fileObj0.FileName;
fileObj2.FilePath = fileObj0.FilePath;
fileObj2.FileSize = fileObj0.FileSize;
fileObj2.ReadSize = fileObj0.ReadSize;
fileObj2.SendSize = fileObj0.SendSize;
fileObj2.serverDir = fileObj0.serverDir;
fileObj2.Status = fileObj0.Status;
UpLoadFileMsg(new UpLoadFileEventArgs(guId, fileObj2));
}
else
{
fileBlock.EndFlag = false;
fileObj0.Status = SendFileStatus.Reading;
TransferSendFileObj2 fileObj2 = new TransferSendFileObj2();
fileObj2.BlockNum = _order_Num;
fileObj2.DataBlockCount = 0;
fileObj2.FileName = fileObj0.FileName;
fileObj2.FilePath = fileObj0.FilePath;
fileObj2.FileSize = fileObj0.FileSize;
fileObj2.ReadSize = fileObj0.ReadSize;
fileObj2.SendSize = fileObj0.SendSize;
fileObj2.serverDir = fileObj0.serverDir;
fileObj2.Status = fileObj0.Status;
UpLoadFileMsg(new UpLoadFileEventArgs(guId, fileObj2));
}
FilesQueue.Instance.Add(guId, fileObj0);
stream.Seek(-1, SeekOrigin.Current);
//清空缓存区
Array.Clear(buffer, 0, buffer.Length);
byteLength = 0;
}
}
//压入文件块传输缓存队列
TransferFileDataObj fileBlockEnd = new TransferFileDataObj();
fileBlockEnd.guId = guId;
Array.Copy(buffer, fileBlockEnd.FileData, byteLength);
fileBlockEnd.FilePath = FilePath;
fileBlockEnd.CanReadLength = byteLength;
fileBlockEnd.Order_Num = _order_Num;
fileBlockEnd.FileName = FileName;
fileBlockEnd.EndFlag = true;
FilesBlocksQueue.Instance.Add(fileBlockEnd);
//Utility.Log.Log.writeLineToLog("读取文件--尾块入队列：" + _order_Num.ToString(), "Read");
//更新Files队列中，对应File的ReadSize
FilesQueue.Instance.Get(guId, out fileObj0);
fileObj0.ReadSize = fileObj0.ReadSize + byteLength;
fileObj0.Status = SendFileStatus.ReadEnd;
fileObj0.DataBlockCount = fileBlockEnd.Order_Num;
FilesQueue.Instance.Add(guId, fileObj0);
TransferSendFileObj2 fileObj3 = new TransferSendFileObj2();
fileObj3.BlockNum = _order_Num;
fileObj3.DataBlockCount = 0;
fileObj3.FileName = fileObj0.FileName;
fileObj3.FilePath = fileObj0.FilePath;
fileObj3.FileSize = fileObj0.FileSize;
fileObj3.ReadSize = fileObj0.ReadSize;
fileObj3.SendSize = fileObj0.SendSize;
fileObj3.serverDir = fileObj0.serverDir;
fileObj3.Status = fileObj0.Status;
UpLoadFileMsg(new UpLoadFileEventArgs(guId, fileObj3));
//清空缓存区
Array.Clear(buffer, 0, buffer.Length);
}
public void Add(TransferFileDataObj item)
{
PCClientFilesBlocksQueue.Enqueue(item);
Interlocked.Increment(ref queueLength);
//if (RunFlag)
//{
// ThreadPool.QueueUserWorkItem(new WaitCallback(NewThreadFunc));
//}
//if (RunFlag)
//{
lock (lockerRunFlag)
{
if (sendFileThread == null)
{
sendFileThread = new Thread(new ThreadStart(NewThreadFunc));
sendFileThread.IsBackground = true;
sendFileThread.Start();
}
}
//}
//if (RunFlag)
//{
// ParameterizedThreadStart ParStart = new ParameterizedThreadStart(ThreadMethod);
// Thread myThread = new Thread(ParStart);
// myThread.IsBackground = true;
// object o = myThread;
// myThread.Start(o);
//}
}
//private static void loadData(string path, string fileName, string guId)
//{
// DownLoadFileDataObj obj = new DownLoadFileDataObj();
// if (GlobalStaticObj.Instance.proxyFile.GetSucDataBlock(guId))
// {
// DownLoadFileOoj_Client fileObj = new DownLoadFileOoj_Client();
// fileObj.FileName = fileName;
// fileObj.guId = guId;
// fileObj.DownLoadStatus = GetFileDownLoadStatus.StartDownLoad;
// fileObj.DownLoadSize = 0;
// DownLoadFilesQueue.Instance.Add(guId, fileObj);
// DownLoadFileMsg(new DownLoadFileEventArgs(guId,fileObj));
// getFileDataBlocks(path, fileName, guId, out obj);
// if (!obj.EndFlag)
// {
// loadData(path, fileName, guId);
// }
// else
// {
// DownLoadFileOoj_Client fileObj0 = new DownLoadFileOoj_Client();
// fileObj0.FileName = fileName;
// fileObj0.guId = guId;
// fileObj0.DownLoadStatus = GetFileDownLoadStatus.DownLoadEnd;
// DownLoadFilesQueue.Instance.Add(guId, fileObj0);
// DownLoadFileMsg(new DownLoadFileEventArgs(guId,fileObj0));
// return;
// }
// }
// else {
// loadData(path, fileName, guId);
// }
//}
// private static void getFileDataBlocks(string path, string fileName, string guId, out DownLoadFileDataObj obj0)
//{
// string resultStr = GlobalStaticObj.Instance.proxyFile.DownLoadFileDataBlock(path, fileName, guId);
// DownLoadFileDataObj obj = JsonConvert.DeserializeObject<DownLoadFileDataObj>(resultStr);
// if (!string.IsNullOrEmpty(resultStr))
// {
// obj0 = obj;
// DownLoadFilesBlocksQueue.Instance.Add(obj);
// DownLoadFileOoj_Client fileObj0 = new DownLoadFileOoj_Client();
// fileObj0.FileName = fileName;
// fileObj0.guId = guId;
// fileObj0.DownLoadStatus = GetFileDownLoadStatus.DownLoadEnd;
// fileObj0.DownLoadSize = fileObj0.DownLoadSize + obj.FileData.Length;
// DownLoadFilesQueue.Instance.Add(guId, fileObj0);
// DownLoadFileMsg(new DownLoadFileEventArgs(guId,fileObj0));
// }
// if(obj.EndFlag)
// {
// obj0 = obj;
// DownLoadFileOoj_Client fileObj0 = new DownLoadFileOoj_Client();
// fileObj0.FileName = fileName;
// fileObj0.guId = guId;
// fileObj0.DownLoadStatus = GetFileDownLoadStatus.DownLoadEnd;
// fileObj0.DownLoadSize = fileObj0.DownLoadSize + obj.FileData.Length;
// DownLoadFilesQueue.Instance.Add(guId, fileObj0);
// DownLoadFileMsg(new DownLoadFileEventArgs(guId, fileObj0));
// return;
// }
// getFileDataBlocks(path,fileName,guId,out obj0);
//}
//private static void getFileDataBlocks(string guId)
//{
// string resultStr = GlobalStaticObj.Instance.proxyFile.DownLoadFileDataBlock(guId);
// DownLoadFileDataObj obj = JsonConvert.DeserializeObject<DownLoadFileDataObj>(resultStr);
// if (!string.IsNullOrEmpty(resultStr))
// {
// DownLoadFileOoj_Client fileObj0 = new DownLoadFileOoj_Client();
// DownLoadFilesQueue.Instance.Get(obj.guId, out fileObj0);
// DownLoadFilesBlocksQueue.Instance.Add(obj);
// fileObj0.DownLoadStatus = GetFileDownLoadStatus.DownLoadEnd;
// fileObj0.DownLoadSize = fileObj0.DownLoadSize + obj.FileData.Length;
// DownLoadFilesQueue.Instance.Add(guId, fileObj0);
// DownLoadFileMsg(new DownLoadFileEventArgs(guId, fileObj0));
// }
// if (obj.EndFlag)
// {
// obj0 = obj;
// DownLoadFileOoj_Client fileObj0 = new DownLoadFileOoj_Client();
// fileObj0.FileName = fileName;
// fileObj0.guId = guId;
// fileObj0.DownLoadStatus = GetFileDownLoadStatus.DownLoadEnd;
// fileObj0.DownLoadSize = fileObj0.DownLoadSize + obj.FileData.Length;
// DownLoadFilesQueue.Instance.Add(guId, fileObj0);
// DownLoadFileMsg(new DownLoadFileEventArgs(guId, fileObj0));
// return;
// }
// getFileDataBlocks(path, fileName, guId, out obj0);
//}
public static bool ClientSendFileDataBlock(TransferFileDataObj item)
{
bool result = false;
if (WCFClientProxy.TestPCClientProxy())
{
TransferSendFileObj fileObj = new TransferSendFileObj();
FilesQueue.Instance.Get(item.guId, out fileObj);
string resultStr = GlobalStaticObj.Instance.proxyFile.ReceiveFile(item.FileData,item.CanReadLength, item.FilePath, item.FileName, item.Order_Num, item.guId, fileObj.serverDir, fileObj.FileSize, item.EndFlag, fileObj.DataBlockCount,UserId, PCClientCookieStr);
bool.TryParse(resultStr, out result);
if (FilesBlocksQueue.PCClientFilesBlocksQueue.IsEmpty)
{
FilesBlocksQueue.RunFlag = true;
//Utility.Log.Log.writeLineToLog("发送线程终止：" + item.Order_Num.ToString() + " 结果：" + result.ToString(), "Send");
}
//Utility.Log.Log.writeLineToLog("发送文件块：" + item.Order_Num.ToString() + " 结果：" + result.ToString(), "Send");
}
return result;
}
private static void WriteRestFile(string guId, TransferReceiveFileObj fileObj0,TransferFileDataObj block)
{
if (block.Order_Num != fileObj0.NextDataBlockNum)
{
return;
}
if (!Directory.Exists(Instance.SavePath))//存放的默认文件夹是否存在
{
Directory.CreateDirectory(Instance.SavePath);//不存在则创建
}
string fileFullPath = Path.Combine(Instance.SavePath + fileObj0.serverDir, fileObj0.FileName);//合并路径生成文件存放路径
//创建文件流，读取流中的数据生成文件
//lock (SynWriteObject)
//{
FileStream fs = new FileStream(fileFullPath, FileMode.Append, FileAccess.Write, FileShare.Write);
//Utility.Log.Log.writeLineToLog("写入文件：" + block.Order_Num.ToString(), "Write" + guId);
fs.Write(block.FileData, 0, block.CanReadLength);
fs.Close();
fs.Dispose();
//}
fileObj0.Status = ReceiveFileStatus.Writing;
if (block.EndFlag)
{
//Utility.Log.Log.writeLineToLog("写入文件--尾块：" + block.Order_Num.ToString(), "Write" + guId);
fileObj0.Status = ReceiveFileStatus.WriteEnd;
}
fileObj0.WriteSize = fileObj0.WriteSize + block.FileData.Length; ;
fileObj0.NextDataBlockNum = fileObj0.NextDataBlockNum+1;
FilesQueue.Add(guId, fileObj0);
//ServerFilesBlocksQueue.TryDequeue(out block);
ServerFilesBlocksBag.TryTake(out block);
}
//FileStream fsWriteAppend = null;
private void WriteRestFile(string guId, TransferReceiveFileObj fileObj0, TransferFileDataObj block0, Thread myThread)
{
FileStream fsWriteAppend = null;
for (int i=0;i<ServerFilesBlocksBag.Count;i++)
{
TransferFileDataObj block = ServerFilesBlocksBag.ElementAt <TransferFileDataObj>(i);
if (block0.Order_Num != fileObj0.NextDataBlockNum)
{
return;
}
if (guId != block.guId)
{
return;
}
if (!Directory.Exists(Instance.SavePath))//存放的默认文件夹是否存在
{
Directory.CreateDirectory(Instance.SavePath);//不存在则创建
}
string fileFullPath = Path.Combine(Instance.SavePath + fileObj0.serverDir, fileObj0.FileName);//合并路径生成文件存放路径
//创建文件流，读取流中的数据生成文件
//lock (SynWriteObject)
//{
//fsWriteAppend.Lock(
if (fsWriteAppend == null)
{
fsWriteAppend = new FileStream(fileFullPath, FileMode.Append, FileAccess.Write, FileShare.Write);
}
//else {
//}
// Utility.Log.Log.writeLineToLog("写入文件：" + block.Order_Num.ToString(), "Write" + guId);
fsWriteAppend.Seek((block.Order_Num - 1) * 32768, SeekOrigin.Begin);
fsWriteAppend.Write(block.FileData, 0, block.CanReadLength);
fsWriteAppend.Close();
fsWriteAppend.Dispose();
//}
fileObj0.Status = ReceiveFileStatus.Writing;
if (block.EndFlag)
{
//Utility.Log.Log.writeLineToLog("写入文件--尾块：" + block.Order_Num.ToString(), "Write" + guId);
fileObj0.Status = ReceiveFileStatus.WriteEnd;
//Utility.Log.Log.writeLineToLog("写入线程终止--Rest点：" + block.Order_Num.ToString(), "Write" + guId);
Thread.Sleep(300);
myThread.Abort();
myThread = null;
}
fileObj0.WriteSize = fileObj0.WriteSize + block.FileData.Length; ;
fileObj0.NextDataBlockNum = fileObj0.NextDataBlockNum + 1;
FilesQueue.Add(guId, fileObj0);
//ServerFilesBlocksQueue.TryDequeue(out block);
ServerFilesBlocksBag.TryTake(out block);
//Thread.Sleep(50);
}
}
//FileStream fsWriteNew = null;
private void WriteNewFile(string guId, TransferReceiveFileObj fileObj0, TransferFileDataObj block, Thread myThread)
{
if (!Directory.Exists(Path.Combine(Instance.SavePath + fileObj0.serverDir)))//存放的默认文件夹是否存在
{
Directory.CreateDirectory(Path.Combine(Instance.SavePath + fileObj0.serverDir));//不存在则创建
}
string fileFullPath = Path.Combine(Instance.SavePath + fileObj0.serverDir, fileObj0.FileName);//合并路径生成文件存放路径
//创建文件流，读取流中的数据生成文件
int offset = 0;
//lock (SynWriteObject)
//{
//if (fsWriteNew == null)
//{
FileStream fsWriteNew = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write, FileShare.Write);
//}
//Utility.Log.Log.writeLineToLog("开始写入文件：" + block.Order_Num.ToString(), "Write" + guId);
fsWriteNew.Seek(0, SeekOrigin.Begin);
fsWriteNew.Write(block.FileData, 0, block.CanReadLength);
fsWriteNew.Close();
fsWriteNew.Dispose();
//}
offset = offset + block.FileData.Length;
fileObj0.Status = ReceiveFileStatus.StartWrite;
if (block.EndFlag)
{
//Utility.Log.Log.writeLineToLog("写入文件--尾块：" + block.Order_Num.ToString(), "Write" + guId);
fileObj0.Status = ReceiveFileStatus.WriteEnd;
//Utility.Log.Log.writeLineToLog("写入线程终止--New点：" + block.Order_Num.ToString(), "Write" + guId);
Thread.Sleep(300);
myThread.Abort();
myThread = null;
}
fileObj0.WriteSize = offset;
fileObj0.NextDataBlockNum = 2;
FilesQueue.Add(guId, fileObj0);
//ServerFilesBlocksQueue.TryDequeue(out block);
ServerFilesBlocksBag.TryTake(out block);
}
public bool Remove(out TransferFileDataObj obj)
{
//return ServerFilesBlocksQueue.TryDequeue(out obj);
return ServerFilesBlocksBag.TryTake(out obj);
}
public bool Get(out TransferFileDataObj obj)
{
//return ServerFilesBlocksQueue.TryPeek(out obj);
return ServerFilesBlocksBag.TryPeek(out obj);
}
public void Add(TransferFileDataObj item)
{
//ServerFilesBlocksQueue.Enqueue(item);
ServerFilesBlocksBag.Add(item);
Interlocked.Increment(ref queueLength);
//if (RunFlag)
//{
// ThreadPool.QueueUserWorkItem(new WaitCallback(NewThreadFunc));
//}
lock (lockerRunFlag)
{
if (item.Order_Num == 1)
{
ParameterizedThreadStart ParStart = new ParameterizedThreadStart(ThreadMethod);
Thread myThread = new Thread(ParStart);
myThread.IsBackground = true;
FileThreadPramObj o = new FileThreadPramObj();
o.guId=item.guId;
o.myThread = myThread;
myThread.Start(o);
}
}
//if (RunFlag)
//{
// writeFileThread = new Thread(new ThreadStart(NewThreadFunc));
// writeFileThread.IsBackground = true;
// writeFileThread.Start();
//}
}
public string ReceiveFile(byte[] fileDataArry, int CanReadLength, string path, string fileName, int Order_Num, string guId, string serverDir, long fileSize, bool EndFlag, int DataBlockCount, string UserID, string PCClientCookieStr)
{
if (!SessionCookie.CheckPCClientCookieStr(UserID, PCClientCookieStr))
{
return "Session Error";
}
string result = string.Empty;
result = "false";
TransferReceiveFileObj fileObj0 = new TransferReceiveFileObj();
if (!FilesQueue.Get(guId, out fileObj0))
{
fileObj0 = new TransferReceiveFileObj();
fileObj0.guId = guId;
fileObj0.FileName = fileName;
fileObj0.FilePath = path;
fileObj0.FileSize = fileSize;
fileObj0.ReceiveSize = 0;
fileObj0.Status = ReceiveFileStatus.StartReceive;
fileObj0.DataBlockCount = DataBlockCount;
fileObj0.serverDir = serverDir;
fileObj0.NextDataBlockNum = 1;
FilesQueue.Add(guId, fileObj0);
}
//int len = fileDataArry.Length;
TransferFileDataObj fileBlock = new TransferFileDataObj();
fileBlock.guId = guId;
Array.Copy(fileDataArry, fileBlock.FileData, CanReadLength);
fileBlock.CanReadLength = CanReadLength;
fileBlock.FilePath = path;
fileBlock.Order_Num = Order_Num;
FilesBlocksQueue.Instance.Add(fileBlock);
if (!EndFlag)
{
//Utility.Log.Log.writeLineToLog("接收文件--入队列：" + Order_Num.ToString(), "Receive");
}
FilesQueue.Get(guId, out fileObj0);
if (EndFlag)
{
fileObj0.Status = ReceiveFileStatus.ReceiveEnd;
//Utility.Log.Log.writeLineToLog("接收文件--尾块入队列：" + Order_Num.ToString(), "Receive");
}
else {
if (fileObj0.Status == ReceiveFileStatus.StartReceive)
{
fileObj0.Status = ReceiveFileStatus.Receiving;
}
}
fileObj0.ReceiveSize = fileObj0.ReceiveSize + CanReadLength;
FilesQueue.Add(guId, fileObj0);
result = "true";
return result;
}
