/// <exception cref="System.IO.IOException"/>
private static IDictionary <long, long[]> LoadINodeDirectorySection(InputStream @in
, IList <long> refIdList)
{
Log.Info("Loading inode directory section");
IDictionary <long, long[]> dirs = Maps.NewHashMap();
long counter = 0;
while (true)
{
FsImageProto.INodeDirectorySection.DirEntry e = FsImageProto.INodeDirectorySection.DirEntry
.ParseDelimitedFrom(@in);
// note that in is a LimitedInputStream
if (e == null)
{
break;
}
++counter;
long[] l = new long[e.GetChildrenCount() + e.GetRefChildrenCount()];
for (int i = 0; i < e.GetChildrenCount(); ++i)
{
l[i] = e.GetChildren(i);
}
for (int i_1 = e.GetChildrenCount(); i_1 < l.Length; i_1++)
{
int refId = e.GetRefChildren(i_1 - e.GetChildrenCount());
l[i_1] = refIdList[refId];
}
dirs[e.GetParent()] = l;
}
Log.Info("Loaded " + counter + " directories");
return(dirs);
}
/// <summary>Scan the INodeDirectory section to construct the namespace.</summary>
/// <exception cref="System.IO.IOException"/>
private void BuildNamespace(InputStream @in)
{
int count = 0;
while (true)
{
FsImageProto.INodeDirectorySection.DirEntry e = FsImageProto.INodeDirectorySection.DirEntry
.ParseDelimitedFrom(@in);
if (e == null)
{
break;
}
count++;
if (Log.IsDebugEnabled() && count % 10000 == 0)
{
Log.Debug("Scanned {} directories.", count);
}
long parentId = e.GetParent();
// Referred INode is not support for now.
for (int i = 0; i < e.GetChildrenCount(); i++)
{
long childId = e.GetChildren(i);
metadataMap.PutDirChild(parentId, childId);
}
Preconditions.CheckState(e.GetRefChildrenCount() == 0);
}
Log.Info("Scanned {} INode directories to build namespace.", count);
}