/// <summary>Update the length for the last block</summary>
/// <param name="lastBlockLength">The length of the last block reported from client</param>
/// <exception cref="System.IO.IOException"/>
internal virtual void UpdateLengthOfLastBlock(INodeFile f, long lastBlockLength)
{
BlockInfoContiguous lastBlock = f.GetLastBlock();
System.Diagnostics.Debug.Assert((lastBlock != null), "The last block for path " +
f.GetFullPathName() + " is null when updating its length");
System.Diagnostics.Debug.Assert((lastBlock is BlockInfoContiguousUnderConstruction
), "The last block for path " + f.GetFullPathName() + " is not a BlockInfoUnderConstruction when updating its length"
);
lastBlock.SetNumBytes(lastBlockLength);
}
private INodeFile LoadINodeFile(FsImageProto.INodeSection.INode n)
{
System.Diagnostics.Debug.Assert(n.GetType() == FsImageProto.INodeSection.INode.Type
.File);
FsImageProto.INodeSection.INodeFile f = n.GetFile();
IList <HdfsProtos.BlockProto> bp = f.GetBlocksList();
short replication = (short)f.GetReplication();
FSImageFormatProtobuf.LoaderContext state = parent.GetLoaderContext();
BlockInfoContiguous[] blocks = new BlockInfoContiguous[bp.Count];
for (int i = 0; i < e; ++i)
{
blocks[i] = new BlockInfoContiguous(PBHelper.Convert(bp[i]), replication);
}
PermissionStatus permissions = LoadPermission(f.GetPermission(), parent.GetLoaderContext
().GetStringTable());
INodeFile file = new INodeFile(n.GetId(), n.GetName().ToByteArray(), permissions,
f.GetModificationTime(), f.GetAccessTime(), blocks, replication, f.GetPreferredBlockSize
(), unchecked ((byte)f.GetStoragePolicyID()));
if (f.HasAcl())
{
int[] entries = AclEntryStatusFormat.ToInt(LoadAclEntries(f.GetAcl(), state.GetStringTable
()));
file.AddAclFeature(new AclFeature(entries));
}
if (f.HasXAttrs())
{
file.AddXAttrFeature(new XAttrFeature(LoadXAttrs(f.GetXAttrs(), state.GetStringTable
())));
}
// under-construction information
if (f.HasFileUC())
{
FsImageProto.INodeSection.FileUnderConstructionFeature uc = f.GetFileUC();
file.ToUnderConstruction(uc.GetClientName(), uc.GetClientMachine());
if (blocks.Length > 0)
{
BlockInfoContiguous lastBlk = file.GetLastBlock();
// replace the last block of file
file.SetBlock(file.NumBlocks() - 1, new BlockInfoContiguousUnderConstruction(lastBlk
, replication));
}
}
return(file);
}
