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();
}
}
private void FileSystemDownloadPartReceived(object sender, Common.Telnet.DataReceivedEventArgs e)
{
FileTransmissionPartInfo part = e.Content.Data as FileTransmissionPartInfo;
try
{
Debug.Assert(download != null);
if (download.ID != part.ID)
{
return;
}
if (download.Canceled)
{
return;
}
download.Stream.Position = part.Position;
download.Stream.Write(part.Content, 0, part.Content.Length);
download.Dialog.Value = 1.0 * download.Stream.Position / part.Length;
download.Dialog.Message = $"正在下载{ download.File.Name}：{Number.ByteToFitString(download.Stream.Position)}/{Number.ByteToFitString(part.Length)}";
if (part.Position + part.Content.Length == part.Length)
{
download.Dialog.Message = "下载成功";
download.Dispose();
download = null;
DownloadEnd();
}
else
{
Telnet.Instance.Send(new CommandBody(File_CanSendNextDownloadPart, Global.CurrentClient.ID, ControlledClient.ID, download.ID));
}
}
catch (ObjectDisposedException ex)
{
}
catch (Exception ex)
{
Telnet.Instance.Send(new CommandBody(File_AskForCancelUpload, Global.CurrentClient.ID, ControlledClient.ID, part.ID));
FileSystemDownloadErrorReceived(null, null);
}
}