public void BeginRetreive(ILocation sourceLocation, Action<byte[]> bufferCallback, Action copyDone)
{
var ftpRequest = new FtpDownloadRequest (BufferSize);
ftpRequest.Buffering += bufferCallback;
ftpRequest.CopyDone += copyDone;
GetFileSize (sourceLocation, ftpRequest);
BeginDownload (sourceLocation, ftpRequest);
}
private void BeginDownload(ILocation source, FtpDownloadRequest ftpRequest)
{
ftpRequest.Request = CreateRequest (source.ItemUri, WebRequestMethods.Ftp.DownloadFile, Credentials);
ftpRequest.Response = (FtpWebResponse)ftpRequest.Request.GetResponse ();
ftpRequest.FileStream = ftpRequest.Response.GetResponseStream ();
ftpRequest.Buffer = new byte[BufferSize];
Debug.Assert (ftpRequest.FileStream != null, "FileStream shall be not null.");
ftpRequest.FileStream.BeginRead (ftpRequest.Buffer, 0, BufferSize, DownloadCallback, ftpRequest);
}
private void GetFileSize(ILocation source, FtpDownloadRequest ftpRequest)
{
ftpRequest.Request = CreateRequest (source.ItemUri, WebRequestMethods.Ftp.GetFileSize, Credentials);
using (var response = ftpRequest.Request.GetResponse())
ftpRequest.FileSize = response.ContentLength;
}
public override long GetSize(ILocation location)
{
if (!location.IsFolder) {
var ftpRequest = new FtpDownloadRequest (BufferSize);
GetFileSize (location, ftpRequest);
return ftpRequest.FileSize;
} else
throw new NotImplementedException ();
}