public virtual void TestDeletionWithZeroSizeBlock2()
{
Path foo = new Path("/foo");
Path subDir = new Path(foo, "sub");
Path bar = new Path(subDir, "bar");
DFSTestUtil.CreateFile(hdfs, bar, Blocksize, Replication, 0L);
hdfs.Append(bar);
INodeFile barNode = fsdir.GetINode4Write(bar.ToString()).AsFile();
BlockInfoContiguous[] blks = barNode.GetBlocks();
NUnit.Framework.Assert.AreEqual(1, blks.Length);
ExtendedBlock previous = new ExtendedBlock(fsn.GetBlockPoolId(), blks[0]);
cluster.GetNameNodeRpc().AddBlock(bar.ToString(), hdfs.GetClient().GetClientName(
), previous, null, barNode.GetId(), null);
SnapshotTestHelper.CreateSnapshot(hdfs, foo, "s1");
barNode = fsdir.GetINode4Write(bar.ToString()).AsFile();
blks = barNode.GetBlocks();
NUnit.Framework.Assert.AreEqual(2, blks.Length);
NUnit.Framework.Assert.AreEqual(Blocksize, blks[0].GetNumBytes());
NUnit.Framework.Assert.AreEqual(0, blks[1].GetNumBytes());
hdfs.Delete(subDir, true);
Path sbar = SnapshotTestHelper.GetSnapshotPath(foo, "s1", "sub/bar");
barNode = fsdir.GetINode(sbar.ToString()).AsFile();
blks = barNode.GetBlocks();
NUnit.Framework.Assert.AreEqual(1, blks.Length);
NUnit.Framework.Assert.AreEqual(Blocksize, blks[0].GetNumBytes());
}
/// <exception cref="System.IO.IOException"/>
private void SerializeFileDiffList(INodeFile file, OutputStream @out)
{
FileWithSnapshotFeature sf = file.GetFileWithSnapshotFeature();
if (sf != null)
{
IList <FileDiff> diffList = sf.GetDiffs().AsList();
FsImageProto.SnapshotDiffSection.DiffEntry entry = ((FsImageProto.SnapshotDiffSection.DiffEntry
)FsImageProto.SnapshotDiffSection.DiffEntry.NewBuilder().SetInodeId(file.GetId()
).SetType(FsImageProto.SnapshotDiffSection.DiffEntry.Type.Filediff).SetNumOfDiff
(diffList.Count).Build());
entry.WriteDelimitedTo(@out);
for (int i = diffList.Count - 1; i >= 0; i--)
{
FileDiff diff = diffList[i];
FsImageProto.SnapshotDiffSection.FileDiff.Builder fb = FsImageProto.SnapshotDiffSection.FileDiff
.NewBuilder().SetSnapshotId(diff.GetSnapshotId()).SetFileSize(diff.GetFileSize()
);
if (diff.GetBlocks() != null)
{
foreach (Block block in diff.GetBlocks())
{
fb.AddBlocks(PBHelper.Convert(block));
}
}
INodeFileAttributes copy = diff.snapshotINode;
if (copy != null)
{
fb.SetName(ByteString.CopyFrom(copy.GetLocalNameBytes())).SetSnapshotCopy(FSImageFormatPBINode.Saver.BuildINodeFile
(copy, parent.GetSaverContext()));
}
((FsImageProto.SnapshotDiffSection.FileDiff)fb.Build()).WriteDelimitedTo(@out);
}
}
}