/// <exception cref="System.IO.IOException"/>
private PermissionStatus GetPermissionStatus(string path)
{
long id = Lookup(path);
FsImageProto.INodeSection.INode inode = FromINodeId(id);
switch (inode.GetType())
{
case FsImageProto.INodeSection.INode.Type.File:
{
FsImageProto.INodeSection.INodeFile f = inode.GetFile();
return(FSImageFormatPBINode.Loader.LoadPermission(f.GetPermission(), stringTable));
}
case FsImageProto.INodeSection.INode.Type.Directory:
{
FsImageProto.INodeSection.INodeDirectory d = inode.GetDirectory();
return(FSImageFormatPBINode.Loader.LoadPermission(d.GetPermission(), stringTable));
}
case FsImageProto.INodeSection.INode.Type.Symlink:
{
FsImageProto.INodeSection.INodeSymlink s = inode.GetSymlink();
return(FSImageFormatPBINode.Loader.LoadPermission(s.GetPermission(), stringTable));
}
default:
{
return(null);
}
}
}
/// <exception cref="System.IO.IOException"/>
private IList <AclEntry> GetAclEntryList(string path)
{
long id = Lookup(path);
FsImageProto.INodeSection.INode inode = FromINodeId(id);
switch (inode.GetType())
{
case FsImageProto.INodeSection.INode.Type.File:
{
FsImageProto.INodeSection.INodeFile f = inode.GetFile();
return(FSImageFormatPBINode.Loader.LoadAclEntries(f.GetAcl(), stringTable));
}
case FsImageProto.INodeSection.INode.Type.Directory:
{
FsImageProto.INodeSection.INodeDirectory d = inode.GetDirectory();
return(FSImageFormatPBINode.Loader.LoadAclEntries(d.GetAcl(), stringTable));
}
default:
{
return(new AList <AclEntry>());
}
}
}
// byte representation of inodes, sorted by id
public int Compare(byte[] o1, byte[] o2)
{
try
{
FsImageProto.INodeSection.INode l = FsImageProto.INodeSection.INode.ParseFrom(o1);
FsImageProto.INodeSection.INode r = FsImageProto.INodeSection.INode.ParseFrom(o2);
if (l.GetId() < r.GetId())
{
return(-1);
}
else
{
if (l.GetId() > r.GetId())
{
return(1);
}
else
{
return(0);
}
}
}
catch (InvalidProtocolBufferException e)
{
throw new RuntimeException(e);
}
}
/// <exception cref="System.IO.IOException"/>
private IList <IDictionary <string, object> > GetFileStatusList(string path)
{
IList <IDictionary <string, object> > list = new AList <IDictionary <string, object> >(
);
long id = Lookup(path);
FsImageProto.INodeSection.INode inode = FromINodeId(id);
if (inode.GetType() == FsImageProto.INodeSection.INode.Type.Directory)
{
if (!dirmap.Contains(id))
{
// if the directory is empty, return empty list
return(list);
}
long[] children = dirmap[id];
foreach (long cid in children)
{
list.AddItem(GetFileStatus(FromINodeId(cid), true));
}
}
else
{
list.AddItem(GetFileStatus(inode, false));
}
return(list);
}
/// <exception cref="System.IO.IOException"/>
private void DumpINodeSection(InputStream @in)
{
FsImageProto.INodeSection s = FsImageProto.INodeSection.ParseDelimitedFrom(@in);
@out.Write("<INodeSection>");
O("lastInodeId", s.GetLastInodeId());
for (int i = 0; i < s.GetNumInodes(); ++i)
{
FsImageProto.INodeSection.INode p = FsImageProto.INodeSection.INode.ParseDelimitedFrom
(@in);
@out.Write("<inode>");
O("id", p.GetId()).O("type", p.GetType()).O("name", p.GetName().ToStringUtf8());
if (p.HasFile())
{
DumpINodeFile(p.GetFile());
}
else
{
if (p.HasDirectory())
{
DumpINodeDirectory(p.GetDirectory());
}
else
{
if (p.HasSymlink())
{
DumpINodeSymlink(p.GetSymlink());
}
}
}
@out.Write("</inode>\n");
}
@out.Write("</INodeSection>\n");
}
private INode LoadINode(FsImageProto.INodeSection.INode n)
{
switch (n.GetType())
{
case FsImageProto.INodeSection.INode.Type.File:
{
return(LoadINodeFile(n));
}
case FsImageProto.INodeSection.INode.Type.Directory:
{
return(LoadINodeDirectory(n, parent.GetLoaderContext()));
}
case FsImageProto.INodeSection.INode.Type.Symlink:
{
return(LoadINodeSymlink(n));
}
default:
{
break;
}
}
return(null);
}
public virtual void PutDir(FsImageProto.INodeSection.INode p)
{
Preconditions.CheckState(!dirMap.Contains(p.GetId()));
PBImageTextWriter.InMemoryMetadataDB.Dir dir = new PBImageTextWriter.InMemoryMetadataDB.Dir
(p.GetId(), p.GetName().ToStringUtf8());
dirMap[p.GetId()] = dir;
}
private void LoadRootINode(FsImageProto.INodeSection.INode p)
{
INodeDirectory root = LoadINodeDirectory(p, parent.GetLoaderContext());
QuotaCounts q = root.GetQuotaCounts();
long nsQuota = q.GetNameSpace();
long dsQuota = q.GetStorageSpace();
if (nsQuota != -1 || dsQuota != -1)
{
dir.rootDir.GetDirectoryWithQuotaFeature().SetQuota(nsQuota, dsQuota);
}
EnumCounters <StorageType> typeQuotas = q.GetTypeSpaces();
if (typeQuotas.AnyGreaterOrEqual(0))
{
dir.rootDir.GetDirectoryWithQuotaFeature().SetQuota(typeQuotas);
}
dir.rootDir.CloneModificationTime(root);
dir.rootDir.ClonePermissionStatus(root);
AclFeature af = root.GetFeature(typeof(AclFeature));
if (af != null)
{
dir.rootDir.AddAclFeature(af);
}
// root dir supports having extended attributes according to POSIX
XAttrFeature f = root.GetXAttrFeature();
if (f != null)
{
dir.rootDir.AddXAttrFeature(f);
}
dir.AddRootDirToEncryptionZone(f);
}
/// <exception cref="System.IO.IOException"/>
private FsImageProto.INodeSection.INode FromINodeId(long id)
{
int l = 0;
int r = inodes.Length;
while (l < r)
{
int mid = l + (r - l) / 2;
FsImageProto.INodeSection.INode n = FsImageProto.INodeSection.INode.ParseFrom(inodes
[mid]);
long nid = n.GetId();
if (id > nid)
{
l = mid + 1;
}
else
{
if (id < nid)
{
r = mid;
}
else
{
return(n);
}
}
}
return(null);
}
/// <summary>Return the JSON formatted FileStatus of the specified file.</summary>
/// <param name="path">a path specifies a file</param>
/// <returns>JSON formatted FileStatus</returns>
/// <exception cref="System.IO.IOException">if failed to serialize fileStatus to JSON.
/// </exception>
internal virtual string GetFileStatus(string path)
{
ObjectMapper mapper = new ObjectMapper();
FsImageProto.INodeSection.INode inode = FromINodeId(Lookup(path));
return("{\"FileStatus\":\n" + mapper.WriteValueAsString(GetFileStatus(inode, false
)) + "\n}\n");
}
/// <exception cref="System.IO.IOException"/>
private void Save(OutputStream @out, INodeDirectory n)
{
FsImageProto.INodeSection.INodeDirectory.Builder b = BuildINodeDirectory(n, parent
.GetSaverContext());
FsImageProto.INodeSection.INode r = ((FsImageProto.INodeSection.INode)BuildINodeCommon
(n).SetType(FsImageProto.INodeSection.INode.Type.Directory).SetDirectory(b).Build
());
r.WriteDelimitedTo(@out);
}
/// <exception cref="System.IO.IOException"/>
private void Save(OutputStream @out, INodeSymlink n)
{
FSImageFormatProtobuf.SaverContext state = parent.GetSaverContext();
FsImageProto.INodeSection.INodeSymlink.Builder b = FsImageProto.INodeSection.INodeSymlink
.NewBuilder().SetPermission(BuildPermissionStatus(n, state.GetStringMap())).SetTarget
(ByteString.CopyFrom(n.GetSymlink())).SetModificationTime(n.GetModificationTime(
)).SetAccessTime(n.GetAccessTime());
FsImageProto.INodeSection.INode r = ((FsImageProto.INodeSection.INode)BuildINodeCommon
(n).SetType(FsImageProto.INodeSection.INode.Type.Symlink).SetSymlink(b).Build());
r.WriteDelimitedTo(@out);
}
private INodeSymlink LoadINodeSymlink(FsImageProto.INodeSection.INode n)
{
System.Diagnostics.Debug.Assert(n.GetType() == FsImageProto.INodeSection.INode.Type
.Symlink);
FsImageProto.INodeSection.INodeSymlink s = n.GetSymlink();
PermissionStatus permissions = LoadPermission(s.GetPermission(), parent.GetLoaderContext
().GetStringTable());
INodeSymlink sym = new INodeSymlink(n.GetId(), n.GetName().ToByteArray(), permissions
, s.GetModificationTime(), s.GetAccessTime(), s.GetTarget().ToStringUtf8());
return(sym);
}
/// <exception cref="System.IO.IOException"/>
private void OutputINodes(InputStream @in)
{
FsImageProto.INodeSection s = FsImageProto.INodeSection.ParseDelimitedFrom(@in);
Log.Info("Found {} INodes in the INode section", s.GetNumInodes());
for (int i = 0; i < s.GetNumInodes(); ++i)
{
FsImageProto.INodeSection.INode p = FsImageProto.INodeSection.INode.ParseDelimitedFrom
(@in);
string parentPath = metadataMap.GetParentPath(p.GetId());
@out.WriteLine(GetEntry(parentPath, p));
if (Log.IsDebugEnabled() && i % 100000 == 0)
{
Log.Debug("Outputted {} INodes.", i);
}
}
Log.Info("Outputted {} INodes.", s.GetNumInodes());
}
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);
}
/// <summary>Return the INodeId of the specified path.</summary>
/// <exception cref="System.IO.IOException"/>
private long Lookup(string path)
{
Preconditions.CheckArgument(path.StartsWith("/"));
long id = INodeId.RootInodeId;
for (int offset = 0; offset < path.Length; offset = next)
{
next = path.IndexOf('/', offset + 1);
if (next == -1)
{
next = path.Length;
}
if (offset + 1 > next)
{
break;
}
string component = Sharpen.Runtime.Substring(path, offset + 1, next);
if (component.IsEmpty())
{
continue;
}
long[] children = dirmap[id];
if (children == null)
{
throw new FileNotFoundException(path);
}
bool found = false;
foreach (long cid in children)
{
FsImageProto.INodeSection.INode child = FromINodeId(cid);
if (component.Equals(child.GetName().ToStringUtf8()))
{
found = true;
id = child.GetId();
break;
}
}
if (!found)
{
throw new FileNotFoundException(path);
}
}
return(id);
}
/// <exception cref="System.IO.IOException"/>
internal void LoadINodeSection(InputStream @in)
{
FsImageProto.INodeSection s = FsImageProto.INodeSection.ParseDelimitedFrom(@in);
fsn.dir.ResetLastInodeId(s.GetLastInodeId());
Log.Info("Loading " + s.GetNumInodes() + " INodes.");
for (int i = 0; i < s.GetNumInodes(); ++i)
{
FsImageProto.INodeSection.INode p = FsImageProto.INodeSection.INode.ParseDelimitedFrom
(@in);
if (p.GetId() == INodeId.RootInodeId)
{
LoadRootINode(p);
}
else
{
INode n = LoadINode(p);
dir.AddToInodeMap(n);
}
}
}
/// <summary>save all the snapshottable directories and snapshots to fsimage</summary>
/// <exception cref="System.IO.IOException"/>
public void SerializeSnapshotSection(OutputStream @out)
{
SnapshotManager sm = fsn.GetSnapshotManager();
FsImageProto.SnapshotSection.Builder b = FsImageProto.SnapshotSection.NewBuilder(
).SetSnapshotCounter(sm.GetSnapshotCounter()).SetNumSnapshots(sm.GetNumSnapshots
());
INodeDirectory[] snapshottables = sm.GetSnapshottableDirs();
foreach (INodeDirectory sdir in snapshottables)
{
b.AddSnapshottableDir(sdir.GetId());
}
((FsImageProto.SnapshotSection)b.Build()).WriteDelimitedTo(@out);
int i = 0;
foreach (INodeDirectory sdir_1 in snapshottables)
{
foreach (Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot s in sdir_1.GetDirectorySnapshottableFeature
().GetSnapshotList())
{
Snapshot.Root sroot = s.GetRoot();
FsImageProto.SnapshotSection.Snapshot.Builder sb = FsImageProto.SnapshotSection.Snapshot
.NewBuilder().SetSnapshotId(s.GetId());
FsImageProto.INodeSection.INodeDirectory.Builder db = FSImageFormatPBINode.Saver.BuildINodeDirectory
(sroot, parent.GetSaverContext());
FsImageProto.INodeSection.INode r = ((FsImageProto.INodeSection.INode)FsImageProto.INodeSection.INode
.NewBuilder().SetId(sroot.GetId()).SetType(FsImageProto.INodeSection.INode.Type.
Directory).SetName(ByteString.CopyFrom(sroot.GetLocalNameBytes())).SetDirectory(
db).Build());
((FsImageProto.SnapshotSection.Snapshot)sb.SetRoot(r).Build()).WriteDelimitedTo(@out
);
i++;
if (i % FSImageFormatProtobuf.Saver.CheckCancelInterval == 0)
{
context.CheckCancelled();
}
}
}
Preconditions.CheckState(i == sm.GetNumSnapshots());
parent.CommitSection(headers, FSImageFormatProtobuf.SectionName.Snapshot);
}
/// <summary>Load the filenames of the directories from the INode section.</summary>
/// <exception cref="System.IO.IOException"/>
private void LoadDirectoriesInINodeSection(InputStream @in)
{
FsImageProto.INodeSection s = FsImageProto.INodeSection.ParseDelimitedFrom(@in);
Log.Info("Loading directories in INode section.");
int numDirs = 0;
for (int i = 0; i < s.GetNumInodes(); ++i)
{
FsImageProto.INodeSection.INode p = FsImageProto.INodeSection.INode.ParseDelimitedFrom
(@in);
if (Log.IsDebugEnabled() && i % 10000 == 0)
{
Log.Debug("Scanned {} inodes.", i);
}
if (p.HasDirectory())
{
metadataMap.PutDir(p);
numDirs++;
}
}
Log.Info("Found {} directories in INode section.", numDirs);
}
/// <exception cref="System.IO.IOException"/>
private void Run(InputStream @in)
{
FsImageProto.INodeSection s = FsImageProto.INodeSection.ParseDelimitedFrom(@in);
for (int i = 0; i < s.GetNumInodes(); ++i)
{
FsImageProto.INodeSection.INode p = FsImageProto.INodeSection.INode.ParseDelimitedFrom
(@in);
if (p.GetType() == FsImageProto.INodeSection.INode.Type.File)
{
++totalFiles;
FsImageProto.INodeSection.INodeFile f = p.GetFile();
totalBlocks += f.GetBlocksCount();
long fileSize = 0;
foreach (HdfsProtos.BlockProto b in f.GetBlocksList())
{
fileSize += b.GetNumBytes();
}
maxFileSize = Math.Max(fileSize, maxFileSize);
totalSpace += fileSize * f.GetReplication();
int bucket = fileSize > maxSize ? distribution.Length - 1 : (int)Math.Ceil((double
)fileSize / steps);
++distribution[bucket];
}
else
{
if (p.GetType() == FsImageProto.INodeSection.INode.Type.Directory)
{
++totalDirectories;
}
}
if (i % (1 << 20) == 0)
{
@out.WriteLine("Processed " + i + " inodes.");
}
}
}
/// <exception cref="System.IO.IOException"/>
private void Save(OutputStream @out, INodeFile n)
{
FsImageProto.INodeSection.INodeFile.Builder b = BuildINodeFile(n, parent.GetSaverContext
());
if (n.GetBlocks() != null)
{
foreach (Block block in n.GetBlocks())
{
b.AddBlocks(PBHelper.Convert(block));
}
}
FileUnderConstructionFeature uc = n.GetFileUnderConstructionFeature();
if (uc != null)
{
FsImageProto.INodeSection.FileUnderConstructionFeature f = ((FsImageProto.INodeSection.FileUnderConstructionFeature
)FsImageProto.INodeSection.FileUnderConstructionFeature.NewBuilder().SetClientName
(uc.GetClientName()).SetClientMachine(uc.GetClientMachine()).Build());
b.SetFileUC(f);
}
FsImageProto.INodeSection.INode r = ((FsImageProto.INodeSection.INode)BuildINodeCommon
(n).SetType(FsImageProto.INodeSection.INode.Type.File).SetFile(b).Build());
r.WriteDelimitedTo(@out);
}
protected internal override string GetEntry(string parent, FsImageProto.INodeSection.INode
inode)
{
StringBuilder buffer = new StringBuilder();
string inodeName = inode.GetName().ToStringUtf8();
Path path = new Path(parent.IsEmpty() ? "/" : parent, inodeName.IsEmpty() ? "/" :
inodeName);
buffer.Append(path.ToString());
PermissionStatus p = null;
switch (inode.GetType())
{
case FsImageProto.INodeSection.INode.Type.File:
{
FsImageProto.INodeSection.INodeFile file = inode.GetFile();
p = GetPermission(file.GetPermission());
Append(buffer, file.GetReplication());
Append(buffer, FormatDate(file.GetModificationTime()));
Append(buffer, FormatDate(file.GetAccessTime()));
Append(buffer, file.GetPreferredBlockSize());
Append(buffer, file.GetBlocksCount());
Append(buffer, FSImageLoader.GetFileSize(file));
Append(buffer, 0);
// NS_QUOTA
Append(buffer, 0);
// DS_QUOTA
break;
}
case FsImageProto.INodeSection.INode.Type.Directory:
{
FsImageProto.INodeSection.INodeDirectory dir = inode.GetDirectory();
p = GetPermission(dir.GetPermission());
Append(buffer, 0);
// Replication
Append(buffer, FormatDate(dir.GetModificationTime()));
Append(buffer, FormatDate(0));
// Access time.
Append(buffer, 0);
// Block size.
Append(buffer, 0);
// Num blocks.
Append(buffer, 0);
// Num bytes.
Append(buffer, dir.GetNsQuota());
Append(buffer, dir.GetDsQuota());
break;
}
case FsImageProto.INodeSection.INode.Type.Symlink:
{
FsImageProto.INodeSection.INodeSymlink s = inode.GetSymlink();
p = GetPermission(s.GetPermission());
Append(buffer, 0);
// Replication
Append(buffer, FormatDate(s.GetModificationTime()));
Append(buffer, FormatDate(s.GetAccessTime()));
Append(buffer, 0);
// Block size.
Append(buffer, 0);
// Num blocks.
Append(buffer, 0);
// Num bytes.
Append(buffer, 0);
// NS_QUOTA
Append(buffer, 0);
// DS_QUOTA
break;
}
default:
{
break;
}
}
System.Diagnostics.Debug.Assert(p != null);
Append(buffer, p.GetPermission().ToString());
Append(buffer, p.GetUserName());
Append(buffer, p.GetGroupName());
return(buffer.ToString());
}
private IDictionary <string, object> GetFileStatus(FsImageProto.INodeSection.INode
inode, bool printSuffix)
{
IDictionary <string, object> map = Maps.NewHashMap();
switch (inode.GetType())
{
case FsImageProto.INodeSection.INode.Type.File:
{
FsImageProto.INodeSection.INodeFile f = inode.GetFile();
PermissionStatus p = FSImageFormatPBINode.Loader.LoadPermission(f.GetPermission()
, stringTable);
map["accessTime"] = f.GetAccessTime();
map["blockSize"] = f.GetPreferredBlockSize();
map["group"] = p.GetGroupName();
map["length"] = GetFileSize(f);
map["modificationTime"] = f.GetModificationTime();
map["owner"] = p.GetUserName();
map["pathSuffix"] = printSuffix ? inode.GetName().ToStringUtf8() : string.Empty;
map["permission"] = ToString(p.GetPermission());
map["replication"] = f.GetReplication();
map["type"] = inode.GetType();
map["fileId"] = inode.GetId();
map["childrenNum"] = 0;
return(map);
}
case FsImageProto.INodeSection.INode.Type.Directory:
{
FsImageProto.INodeSection.INodeDirectory d = inode.GetDirectory();
PermissionStatus p = FSImageFormatPBINode.Loader.LoadPermission(d.GetPermission()
, stringTable);
map["accessTime"] = 0;
map["blockSize"] = 0;
map["group"] = p.GetGroupName();
map["length"] = 0;
map["modificationTime"] = d.GetModificationTime();
map["owner"] = p.GetUserName();
map["pathSuffix"] = printSuffix ? inode.GetName().ToStringUtf8() : string.Empty;
map["permission"] = ToString(p.GetPermission());
map["replication"] = 0;
map["type"] = inode.GetType();
map["fileId"] = inode.GetId();
map["childrenNum"] = dirmap.Contains(inode.GetId()) ? dirmap[inode.GetId()].Length
: 0;
return(map);
}
case FsImageProto.INodeSection.INode.Type.Symlink:
{
FsImageProto.INodeSection.INodeSymlink d = inode.GetSymlink();
PermissionStatus p = FSImageFormatPBINode.Loader.LoadPermission(d.GetPermission()
, stringTable);
map["accessTime"] = d.GetAccessTime();
map["blockSize"] = 0;
map["group"] = p.GetGroupName();
map["length"] = 0;
map["modificationTime"] = d.GetModificationTime();
map["owner"] = p.GetUserName();
map["pathSuffix"] = printSuffix ? inode.GetName().ToStringUtf8() : string.Empty;
map["permission"] = ToString(p.GetPermission());
map["replication"] = 0;
map["type"] = inode.GetType();
map["symlink"] = d.GetTarget().ToStringUtf8();
map["fileId"] = inode.GetId();
map["childrenNum"] = 0;
return(map);
}
default:
{
return(null);
}
}
}
/// <exception cref="System.IO.IOException"/>
public virtual void PutDir(FsImageProto.INodeSection.INode dir)
{
Preconditions.CheckArgument(dir.HasDirectory(), "INode %s (%s) is not a directory."
, dir.GetId(), dir.GetName());
dirMap.Put(ToBytes(dir.GetId()), ToBytes(dir.GetName().ToStringUtf8()));
}
/// <summary>Get text output for the given inode.</summary>
/// <param name="parent">the path of parent directory</param>
/// <param name="inode">the INode object to output.</param>
protected internal abstract string GetEntry(string parent, FsImageProto.INodeSection.INode
inode);
public static INodeDirectory LoadINodeDirectory(FsImageProto.INodeSection.INode n
, FSImageFormatProtobuf.LoaderContext state)
{
System.Diagnostics.Debug.Assert(n.GetType() == FsImageProto.INodeSection.INode.Type
.Directory);
FsImageProto.INodeSection.INodeDirectory d = n.GetDirectory();
PermissionStatus permissions = LoadPermission(d.GetPermission(), state.GetStringTable
());
INodeDirectory dir = new INodeDirectory(n.GetId(), n.GetName().ToByteArray(), permissions
, d.GetModificationTime());
long nsQuota = d.GetNsQuota();
long dsQuota = d.GetDsQuota();
if (nsQuota >= 0 || dsQuota >= 0)
{
dir.AddDirectoryWithQuotaFeature(new DirectoryWithQuotaFeature.Builder().NameSpaceQuota
(nsQuota).StorageSpaceQuota(dsQuota).Build());
}
EnumCounters <StorageType> typeQuotas = null;
if (d.HasTypeQuotas())
{
ImmutableList <QuotaByStorageTypeEntry> qes = LoadQuotaByStorageTypeEntries(d.GetTypeQuotas
());
typeQuotas = new EnumCounters <StorageType>(typeof(StorageType), HdfsConstants.QuotaReset
);
foreach (QuotaByStorageTypeEntry qe in qes)
{
if (qe.GetQuota() >= 0 && qe.GetStorageType() != null && qe.GetStorageType().SupportTypeQuota
())
{
typeQuotas.Set(qe.GetStorageType(), qe.GetQuota());
}
}
if (typeQuotas.AnyGreaterOrEqual(0))
{
DirectoryWithQuotaFeature q = dir.GetDirectoryWithQuotaFeature();
if (q == null)
{
dir.AddDirectoryWithQuotaFeature(new DirectoryWithQuotaFeature.Builder().TypeQuotas
(typeQuotas).Build());
}
else
{
q.SetQuota(typeQuotas);
}
}
}
if (d.HasAcl())
{
int[] entries = AclEntryStatusFormat.ToInt(LoadAclEntries(d.GetAcl(), state.GetStringTable
()));
dir.AddAclFeature(new AclFeature(entries));
}
if (d.HasXAttrs())
{
dir.AddXAttrFeature(new XAttrFeature(LoadXAttrs(d.GetXAttrs(), state.GetStringTable
())));
}
return(dir);
}