private DirectoryWithSnapshotFeature.DirectoryDiff FindNext()
{
for (; this.i.HasNext();)
{
DirectoryWithSnapshotFeature.DirectoryDiff diff = this.i.Next();
if (diff.IsSnapshotRoot())
{
return(diff);
}
}
return(null);
}
/// <exception cref="System.IO.IOException"/>
private void SerializeDirDiffList(INodeDirectory dir, IList <INodeReference> refList
, OutputStream @out)
{
DirectoryWithSnapshotFeature sf = dir.GetDirectoryWithSnapshotFeature();
if (sf != null)
{
IList <DirectoryWithSnapshotFeature.DirectoryDiff> diffList = sf.GetDiffs().AsList
();
FsImageProto.SnapshotDiffSection.DiffEntry entry = ((FsImageProto.SnapshotDiffSection.DiffEntry
)FsImageProto.SnapshotDiffSection.DiffEntry.NewBuilder().SetInodeId(dir.GetId())
.SetType(FsImageProto.SnapshotDiffSection.DiffEntry.Type.Directorydiff).SetNumOfDiff
(diffList.Count).Build());
entry.WriteDelimitedTo(@out);
for (int i = diffList.Count - 1; i >= 0; i--)
{
// reverse order!
DirectoryWithSnapshotFeature.DirectoryDiff diff = diffList[i];
FsImageProto.SnapshotDiffSection.DirectoryDiff.Builder db = FsImageProto.SnapshotDiffSection.DirectoryDiff
.NewBuilder().SetSnapshotId(diff.GetSnapshotId()).SetChildrenSize(diff.GetChildrenSize
()).SetIsSnapshotRoot(diff.IsSnapshotRoot());
INodeDirectoryAttributes copy = diff.snapshotINode;
if (!diff.IsSnapshotRoot() && copy != null)
{
db.SetName(ByteString.CopyFrom(copy.GetLocalNameBytes())).SetSnapshotCopy(FSImageFormatPBINode.Saver.BuildINodeDirectory
(copy, parent.GetSaverContext()));
}
// process created list and deleted list
IList <INode> created = diff.GetChildrenDiff().GetList(Diff.ListType.Created);
db.SetCreatedListSize(created.Count);
IList <INode> deleted = diff.GetChildrenDiff().GetList(Diff.ListType.Deleted);
foreach (INode d in deleted)
{
if (d.IsReference())
{
refList.AddItem(d.AsReference());
db.AddDeletedINodeRef(refList.Count - 1);
}
else
{
db.AddDeletedINode(d.GetId());
}
}
((FsImageProto.SnapshotDiffSection.DirectoryDiff)db.Build()).WriteDelimitedTo(@out
);
SaveCreatedList(created, @out);
}
}
}