/// <summary>Consume data from the input stream until the packfile is indexed.</summary>
/// <remarks>Consume data from the input stream until the packfile is indexed.</remarks>
/// <param name="progress">progress feedback</param>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
public virtual void Index(ProgressMonitor progress)
{
progress.Start(2);
try
{
try
{
ReadPackHeader();
entries = new PackedObjectInfo[(int)objectCount];
baseById = new ObjectIdSubclassMap<IndexPack.DeltaChain>();
baseByPos = new LongMap<IndexPack.UnresolvedDelta>();
deferredCheckBlobs = new AList<PackedObjectInfo>();
progress.BeginTask(JGitText.Get().receivingObjects, (int)objectCount);
for (int done = 0; done < objectCount; done++)
{
IndexOneObject();
progress.Update(1);
if (progress.IsCancelled())
{
throw new IOException(JGitText.Get().downloadCancelled);
}
}
ReadPackFooter();
EndInput();
if (!deferredCheckBlobs.IsEmpty())
{
DoDeferredCheckBlobs();
}
progress.EndTask();
if (deltaCount > 0)
{
if (packOut == null)
{
throw new IOException(JGitText.Get().needPackOut);
}
ResolveDeltas(progress);
if (entryCount < objectCount)
{
if (!fixThin)
{
throw new IOException(MessageFormat.Format(JGitText.Get().packHasUnresolvedDeltas
, (objectCount - entryCount)));
}
FixThinPack(progress);
}
}
if (packOut != null && (keepEmpty || entryCount > 0))
{
packOut.GetChannel().Force(true);
}
packDigest = null;
baseById = null;
baseByPos = null;
if (dstIdx != null && (keepEmpty || entryCount > 0))
{
WriteIdx();
}
}
finally
{
try
{
if (readCurs != null)
{
readCurs.Release();
}
}
finally
{
readCurs = null;
}
try
{
inflater.Release();
}
finally
{
inflater = null;
objectDatabase.Close();
}
progress.EndTask();
if (packOut != null)
{
packOut.Close();
}
}
if (keepEmpty || entryCount > 0)
{
if (dstPack != null)
{
dstPack.SetReadOnly();
}
if (dstIdx != null)
{
dstIdx.SetReadOnly();
}
}
}
catch (IOException err)
{
if (dstPack != null)
{
FileUtils.Delete(dstPack);
}
if (dstIdx != null)
{
FileUtils.Delete(dstIdx);
}
throw;
}
}
/// <summary>Create a new pack indexer utility.</summary>
/// <remarks>Create a new pack indexer utility.</remarks>
/// <param name="db"></param>
/// <param name="src">
/// stream to read the pack data from. If the stream is buffered
/// use
/// <see cref="BUFFER_SIZE">BUFFER_SIZE</see>
/// as the buffer size for the stream.
/// </param>
/// <param name="dstBase"></param>
/// <exception cref="System.IO.IOException">the output packfile could not be created.
/// </exception>
public IndexPack(Repository db, InputStream src, FilePath dstBase)
{
repo = db;
objectDatabase = db.ObjectDatabase.NewCachedDatabase();
@in = src;
inflater = new IndexPack.InflaterStream(this);
readCurs = objectDatabase.NewReader();
buf = new byte[BUFFER_SIZE];
readBuffer = new byte[BUFFER_SIZE];
objectDigest = Constants.NewMessageDigest();
tempObjectId = new MutableObjectId();
packDigest = Constants.NewMessageDigest();
if (dstBase != null)
{
FilePath dir = dstBase.GetParentFile();
string nam = dstBase.GetName();
dstPack = new FilePath(dir, nam + ".pack");
dstIdx = new FilePath(dir, nam + ".idx");
packOut = new RandomAccessFile(dstPack, "rw");
packOut.SetLength(0);
}
else
{
dstPack = null;
dstIdx = null;
}
}
