public void StartNew(WinFileSystem win, ClientInfo client, FileFolderInfo selectedFile)
{
ControlledClient = client;
string path = FileSystemDialog.GetSaveFile(null, true, false, selectedFile.Name);
if (path != null)
{
FileTransmissionInfo trans = new FileTransmissionInfo()
{
File = selectedFile
};
try
{
download = new DownloadingInfo(win, client, path, trans);
}
catch (Exception ex)
{
TaskDialog.ShowException(ex, "建立本地文件失败！");
return;
}
Telnet.Instance.FileSystemDownloadErrorReceived += FileSystemDownloadErrorReceived;
Telnet.Instance.FileSystemDownloadPartReceived += FileSystemDownloadPartReceived;
Telnet.Instance.Send(new CommandBody(
File_AskForDownloading, Global.CurrentClient.ID, client.ID, trans));
download.Dialog.ShowDialog();
}
}
public void StartNew(WinFileSystem win, ClientInfo client, string remoteFolderPath)
{
this.win = win;
ControlledClient = client;
string path = FileSystemDialog.GetOpenFile();
if (path != null)
{
var trans = new FileTransmissionInfo
{
File = new FileFolderInfo()
{
Path = Path.Combine(remoteFolderPath, Path.GetFileName(path)), Length = new FileInfo(path).Length
}
};
currentUpload = new UploadInfo(win, ControlledClient, path, trans);
Telnet.Instance.Send(new CommandBody(File_AskForStartUpload, Global.CurrentClient.ID, ControlledClient.ID, trans));
}
Telnet.Instance.FileSystemPrepareForUploadingReceived += FileSystemPrepareForUploadingReceived;;
}
public UploadInfo(WinFileSystem win, ClientInfo controlledClient, string localPath, FileTransmissionInfo trans)
{
LocalPath = localPath;
File = trans.File;
ID = trans.ID;
Dialog = new ProgressDialog(win)
{
Message = "正在上传" + File.Name
};
Dialog.Value = 0;
Dialog.Minimum = 0;
Dialog.Maximum = trans.File.Length;
Dialog.Title = "上传";
Dialog.Cancle += (p1, p2) =>
{
Canceled = true;
Dispose();
Telnet.Instance.Send(new CommandBody(File_AskForCancelUpload, Global.CurrentClient.ID, controlledClient.ID, ID));
};
Dialog.Closed += (p1, p2) =>
{
if (Dialog.Canceled == false)
{
win.RefreshFolder();
}
};
Stream = System.IO.File.OpenRead(localPath);
}
public DownloadingInfo(WinFileSystem win, ClientInfo controlledClient, string localPath, FileTransmissionInfo download)
{
LocalPath = localPath;
File = download.File;
ID = download.ID;
Dialog = new ProgressDialog(win)
{
Message = "正在下载" + File.Name
};
Dialog.Value = 0;
Dialog.Minimum = 0;
Dialog.Maximum = 1;
Dialog.Title = "下载";
Dialog.Cancle += (p1, p2) =>
{
Canceled = true;
Dispose(true);
Telnet.Instance.Send(new CommandBody(File_AskForCancelDownload, Global.CurrentClient.ID, controlledClient.ID, ID));
};
Dialog.Closed += (p1, p2) =>
{
if (Dialog.Canceled == false)
{
win.RefreshFolder();
}
};
Stream = System.IO.File.OpenWrite(localPath);
Stream.SetLength(File.Length);
}
public static void StartDownloadingToA(CommandBody cmd)
{
Task.Run(() =>
{
FileTransmissionInfo download = cmd.Data as FileTransmissionInfo;
var file = download.File;
Debug.Assert(file.IsDirectory == false);
try
{
int bufferLength = 1024 * 1024;
byte[] buffer = new byte[bufferLength];
using (FileStream fs = File.OpenRead(file.Path))
{
int length = 0;
while (true)
{
var cancel = Cancle.FirstOrDefault(p => p == download.ID);
if (cancel != default)
{
Cancle.TryTake(out cancel);
return;
}
long position = fs.Position;
int count = bufferLength;
if (fs.Length - fs.Position < bufferLength)
{
count = (int)(fs.Length - fs.Position);
}
length = fs.Read(buffer, 0, count);
if (length == 0)
{
break;
}
if (length < bufferLength)
{
byte[] newBuffer = new byte[length];
Array.Copy(buffer, newBuffer, length);
buffer = newBuffer;
}
Telnet.Instance.Send(new CommandBody(ApiCommand.File_Download, cmd.AId, cmd.BId,
new FileTransmissionPartInfo()
{
Content = buffer, Path = file.Path, Position = position, Length = fs.Length, ID = download.ID
}));
while (true)
{
var canNext = CanSendNextPart.FirstOrDefault(p => p == download.ID);
if (canNext != default)
{
CanSendNextPart.TryTake(out canNext);
break;
}
Thread.Sleep(30);
}
}
}
}
catch (Exception ex)
{
Telnet.Instance.Send(new CommandBody(ApiCommand.File_ReadDownloadingFileError, cmd.AId, cmd.BId,
new FileFolderFeedback()
{
ID = download.ID, Path = file.Path, Message = ex.Message, HasError = true
}));
}
});
}
