/// <exception cref="System.IO.IOException"/>
private void LoadSnapshots(InputStream @in, int size)
{
for (int i = 0; i < size; i++)
{
FsImageProto.SnapshotSection.Snapshot pbs = FsImageProto.SnapshotSection.Snapshot
.ParseDelimitedFrom(@in);
INodeDirectory root = FSImageFormatPBINode.Loader.LoadINodeDirectory(pbs.GetRoot(
), parent.GetLoaderContext());
int sid = pbs.GetSnapshotId();
INodeDirectory parent = fsDir.GetInode(root.GetId()).AsDirectory();
Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot snapshot = new Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot
(sid, root, parent);
// add the snapshot to parent, since we follow the sequence of
// snapshotsByNames when saving, we do not need to sort when loading
parent.GetDirectorySnapshottableFeature().AddSnapshot(snapshot);
snapshotMap[sid] = snapshot;
}
}
/// <exception cref="System.IO.IOException"/>
private void DumpSnapshotSection(InputStream @in)
{
@out.Write("<SnapshotSection>");
FsImageProto.SnapshotSection s = FsImageProto.SnapshotSection.ParseDelimitedFrom(
@in);
O("snapshotCounter", s.GetSnapshotCounter());
if (s.GetSnapshottableDirCount() > 0)
{
@out.Write("<snapshottableDir>");
foreach (long id in s.GetSnapshottableDirList())
{
O("dir", id);
}
@out.Write("</snapshottableDir>\n");
}
for (int i = 0; i < s.GetNumSnapshots(); ++i)
{
FsImageProto.SnapshotSection.Snapshot pbs = FsImageProto.SnapshotSection.Snapshot
.ParseDelimitedFrom(@in);
O("snapshot", pbs.GetSnapshotId());
}
@out.Write("</SnapshotSection>\n");
}
