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);
}
private static void NewThreadFunc(Thread ParObject)
{
RunFlag = false;
while (!RunFlag)
{
TransferFileDataObj item = null;
if (PCClientFilesBlocksQueue.TryPeek(out item))
{
if (item != null)
{
if (FileTransferClient.ClientSendFileDataBlock(item))
{
TransferFileDataObj block = null;
if (PCClientFilesBlocksQueue.TryDequeue(out block))
{
Interlocked.Decrement(ref queueLength);
TransferSendFileObj fileObj = new TransferSendFileObj();
FilesQueue.Instance.Get(block.guId, out fileObj);
if (fileObj != null && block != null)
{
fileObj.SendSize = fileObj.SendSize + block.FileData.Length;
if (item.Order_Num == 1)
{
fileObj.Status = SendFileStatus.StartSend;
}
else {
fileObj.Status = SendFileStatus.Sending;
}
if (fileObj.FileSize == fileObj.SendSize)
{
fileObj.Status = SendFileStatus.SendEnd;
}
FilesQueue.Instance.Add(block.guId, fileObj);
TransferSendFileObj2 fileObj2 = new TransferSendFileObj2();
fileObj2.BlockNum = item.Order_Num;
fileObj2.DataBlockCount = fileObj.DataBlockCount;
fileObj2.FileName = fileObj.FileName;
fileObj2.FilePath = fileObj.FilePath;
fileObj2.FileSize = fileObj.FileSize;
fileObj2.ReadSize = fileObj.ReadSize;
fileObj2.SendSize = fileObj.SendSize;
fileObj2.serverDir = fileObj.serverDir;
fileObj2.Status = fileObj.Status;
FileTransferClient.UpLoadFileMsg(new UpLoadFileEventArgs(block.guId, fileObj2));
}
}
}
}
}
}
//RunFlag = true;
////Utility.Log.Log.writeLineToLog("发送线程终止000：" , "Send");
////Thread.Sleep(3000);
//ParObject.Abort();
//ParObject = null;
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="filePath">文件路径</param>
/// <param name="guId"></param>
/// <param name="serverDir"></param>
public static void ClientUpLoadFile(string filePath, string guId, string serverDir)
{
string fileName = Path.GetFileName(filePath);
string fileNameWithoutExt = Path.GetFileNameWithoutExtension(filePath);
string fileType = Path.GetExtension(filePath);
FileInfo fileInfo = new FileInfo(filePath);
using(FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
TransferSendFileObj fileObj = new TransferSendFileObj();
fileObj.FileName = fileName;
fileObj.FilePath = filePath;
fileObj.FileSize = fileInfo.Length;
fileObj.ReadSize = 0;
fileObj.SendSize = 0;
fileObj.Status = SendFileStatus.StartRead;
fileObj.serverDir = serverDir;
FilesQueue.Instance.Add(guId, fileObj);
AddIdList(guId);
TransferSendFileObj2 fileObj2 = new TransferSendFileObj2();
fileObj2.BlockNum = 0;
fileObj2.DataBlockCount = 0;
fileObj2.FileName = fileObj.FileName;
fileObj2.FilePath = fileObj.FilePath;
fileObj2.FileSize = fileObj.FileSize;
fileObj2.ReadSize = fileObj.ReadSize;
fileObj2.SendSize = fileObj.SendSize;
fileObj2.serverDir = fileObj.serverDir;
fileObj2.Status = fileObj.Status;
UpLoadFileMsg(new UpLoadFileEventArgs(guId,fileObj2));
InitUpLoadTimer();
SafeReadFile(fs, guId, fileName, filePath);
}
//byte[] data = new byte[fs.Length];
//fs.Read(data, 0, data.Length);
}
private static void NewThreadFunc()
{
//RunFlag = false;
while (true)
{
TransferFileDataObj item = null;
if (PCClientFilesBlocksQueue.TryPeek(out item))
{
if (item != null)
{
if (FileTransferClient.ClientSendFileDataBlock(item))
{
TransferFileDataObj block = null;
if (PCClientFilesBlocksQueue.TryDequeue(out block))
{
Interlocked.Decrement(ref queueLength);
TransferSendFileObj fileObj = new TransferSendFileObj();
FilesQueue.Instance.Get(block.guId, out fileObj);
if (fileObj != null && block != null)
{
fileObj.SendSize = fileObj.SendSize + block.CanReadLength;
if (item.Order_Num == 1)
{
fileObj.Status = SendFileStatus.StartSend;
}
else
{
fileObj.Status = SendFileStatus.Sending;
}
if (fileObj.FileSize == fileObj.SendSize)
{
fileObj.Status = SendFileStatus.SendEnd;
}
FilesQueue.Instance.Add(block.guId, fileObj);
TransferSendFileObj2 fileObj2 = new TransferSendFileObj2();
fileObj2.BlockNum = item.Order_Num;
fileObj2.DataBlockCount = fileObj.DataBlockCount;
fileObj2.FileName = fileObj.FileName;
fileObj2.FilePath = fileObj.FilePath;
fileObj2.FileSize = fileObj.FileSize;
fileObj2.ReadSize = fileObj.ReadSize;
fileObj2.SendSize = fileObj.SendSize;
fileObj2.serverDir = fileObj.serverDir;
fileObj2.Status = fileObj.Status;
FileTransferClient.UpLoadFileMsg(new UpLoadFileEventArgs(block.guId, fileObj2));
}
}
}
}
}
}
}
