/// <exception cref="System.IO.IOException"/>
public static MD5Hash DownloadImageToStorage(Uri fsName, long imageTxId, Storage
dstStorage, bool needDigest)
{
string fileid = ImageServlet.GetParamStringForImage(null, imageTxId, dstStorage);
string fileName = NNStorage.GetCheckpointImageFileName(imageTxId);
IList <FilePath> dstFiles = dstStorage.GetFiles(NNStorage.NameNodeDirType.Image, fileName
);
if (dstFiles.IsEmpty())
{
throw new IOException("No targets in destination storage!");
}
MD5Hash hash = GetFileClient(fsName, fileid, dstFiles, dstStorage, needDigest);
Log.Info("Downloaded file " + dstFiles[0].GetName() + " size " + dstFiles[0].Length
() + " bytes.");
return(hash);
}
/// <exception cref="System.IO.IOException"/>
internal static MD5Hash HandleUploadImageRequest(HttpServletRequest request, long
imageTxId, Storage dstStorage, InputStream stream, long advertisedSize, DataTransferThrottler
throttler)
{
string fileName = NNStorage.GetCheckpointImageFileName(imageTxId);
IList <FilePath> dstFiles = dstStorage.GetFiles(NNStorage.NameNodeDirType.Image, fileName
);
if (dstFiles.IsEmpty())
{
throw new IOException("No targets in destination storage!");
}
MD5Hash advertisedDigest = ParseMD5Header(request);
MD5Hash hash = ReceiveFile(fileName, dstFiles, dstStorage, true, advertisedSize,
advertisedDigest, fileName, stream, throttler);
Log.Info("Downloaded file " + dstFiles[0].GetName() + " size " + dstFiles[0].Length
() + " bytes.");
return(hash);
}
