public async Task DownloadDirectory(
string remotedirectory,
Func <string, IFileStream> onCreateFileStream,
Action <string> onCreateDicectroy)
{
reset:
this._filesQueue.Clear();
TransferTaskFlage = TransferTaskFlage.Allow;
var result = await this.AwaitGetDirectoryFiles(remotedirectory);
if (!result)
{
var isReset = await this.AwaitResetDownloadDirectory();
if (isReset)
{
goto reset;
}
else
{
return;
}
}
while (true)
{
if (_filesQueue.Count <= 0)
{
break;//文件夹所有文件传输完成
}
if (TransferTaskFlage == TransferTaskFlage.Abort)
{
break;//停止任务
}
var file = _filesQueue.Dequeue();
if (file.Type == DirectoryFileType.File)
{
var targetFileName = file.FileName;
var localFileName = file.FileName.Substring(remotedirectory.LastIndexOf("\\") + 1);
var fileStream = onCreateFileStream?.Invoke(localFileName);
if (fileStream.IsNull())
{
continue;
}
if (_transferMode == TransferMode.Cancel || TransferTaskFlage == TransferTaskFlage.Abort)
{
break;
}
await this.DownloadFile(fileStream, targetFileName);
}
else
{
var directory = file.FileName.Substring(remotedirectory.LastIndexOf("\\") + 1);
onCreateDicectroy?.Invoke(directory);
}
}
this._filesQueue.Clear();
}
/// <summary>
/// 停止所有的传输任务
/// </summary>
public void StopTransferTask()
{
this.TransferTaskFlage = TransferTaskFlage.Abort;
}
