public virtual void TestReaddirPlus()
{
// Test readdirplus
// Get inodeId of /tmp
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(testdir);
long dirId = status.GetFileId();
// Create related part of the XDR request
XDR xdr_req = new XDR();
FileHandle handle = new FileHandle(dirId);
handle.Serialize(xdr_req);
xdr_req.WriteLongAsHyper(0);
// cookie
xdr_req.WriteLongAsHyper(0);
// verifier
xdr_req.WriteInt(100);
// dirCount
xdr_req.WriteInt(1000);
// maxCount
READDIRPLUS3Response responsePlus = nfsd.Readdirplus(xdr_req.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
IList <READDIRPLUS3Response.EntryPlus3> direntPlus = responsePlus.GetDirListPlus()
.GetEntries();
NUnit.Framework.Assert.IsTrue(direntPlus.Count == 5);
// including dot, dotdot
// Test start listing from f2
status = nn.GetRpcServer().GetFileInfo(testdir + "/f2");
long f2Id = status.GetFileId();
// Create related part of the XDR request
xdr_req = new XDR();
handle = new FileHandle(dirId);
handle.Serialize(xdr_req);
xdr_req.WriteLongAsHyper(f2Id);
// cookie
xdr_req.WriteLongAsHyper(0);
// verifier
xdr_req.WriteInt(100);
// dirCount
xdr_req.WriteInt(1000);
// maxCount
responsePlus = nfsd.Readdirplus(xdr_req.AsReadOnlyWrap(), securityHandler, new IPEndPoint
("localhost", 1234));
direntPlus = responsePlus.GetDirListPlus().GetEntries();
NUnit.Framework.Assert.IsTrue(direntPlus.Count == 1);
READDIRPLUS3Response.EntryPlus3 entryPlus = direntPlus[0];
NUnit.Framework.Assert.IsTrue(entryPlus.GetName().Equals("f3"));
// When the cookie is deleted, list starts over no including dot, dotdot
hdfs.Delete(new Path(testdir + "/f2"), false);
responsePlus = nfsd.Readdirplus(xdr_req.AsReadOnlyWrap(), securityHandler, new IPEndPoint
("localhost", 1234));
direntPlus = responsePlus.GetDirListPlus().GetEntries();
NUnit.Framework.Assert.IsTrue(direntPlus.Count == 2);
}
/// <exception cref="System.Exception"/>
public virtual void TestWrite()
{
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo("/tmp/bar");
long dirId = status.GetFileId();
FileHandle handle = new FileHandle(dirId);
byte[] buffer = new byte[10];
for (int i = 0; i < 10; i++)
{
buffer[i] = unchecked ((byte)i);
}
WRITE3Request writeReq = new WRITE3Request(handle, 0, 10, Nfs3Constant.WriteStableHow
.DataSync, ByteBuffer.Wrap(buffer));
XDR xdr_req = new XDR();
writeReq.Serialize(xdr_req);
// Attempt by an unpriviledged user should fail.
WRITE3Response response1 = nfsd.Write(xdr_req.AsReadOnlyWrap(), null, 1, securityHandlerUnpriviledged
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3errAcces
, response1.GetStatus());
// Attempt by a priviledged user should pass.
WRITE3Response response2 = nfsd.Write(xdr_req.AsReadOnlyWrap(), null, 1, securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect response:", null, response2);
}
/// <exception cref="System.Exception"/>
public virtual void TestMkdir()
{
//FixME
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(testdir);
long dirId = status.GetFileId();
XDR xdr_req = new XDR();
FileHandle handle = new FileHandle(dirId);
MKDIR3Request req = new MKDIR3Request(handle, "fubar1", new SetAttr3());
req.Serialize(xdr_req);
// Attempt to mkdir by an unprivileged user should fail.
MKDIR3Response response1 = nfsd.Mkdir(xdr_req.AsReadOnlyWrap(), securityHandlerUnpriviledged
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3errAcces
, response1.GetStatus());
XDR xdr_req2 = new XDR();
MKDIR3Request req2 = new MKDIR3Request(handle, "fubar2", new SetAttr3());
req2.Serialize(xdr_req2);
// Attempt to mkdir by a privileged user should pass.
MKDIR3Response response2 = nfsd.Mkdir(xdr_req2.AsReadOnlyWrap(), securityHandler,
new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3Ok, response2
.GetStatus());
}
/// <exception cref="System.Exception"/>
public virtual void TestReadlink()
{
// Create a symlink first.
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(testdir);
long dirId = status.GetFileId();
XDR xdr_req = new XDR();
FileHandle handle = new FileHandle(dirId);
SYMLINK3Request req = new SYMLINK3Request(handle, "fubar", new SetAttr3(), "bar");
req.Serialize(xdr_req);
SYMLINK3Response response = nfsd.Symlink(xdr_req.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3Ok, response
.GetStatus());
// Now perform readlink operations.
FileHandle handle2 = response.GetObjFileHandle();
XDR xdr_req2 = new XDR();
READLINK3Request req2 = new READLINK3Request(handle2);
req2.Serialize(xdr_req2);
// Attempt by an unpriviledged user should fail.
READLINK3Response response1 = nfsd.Readlink(xdr_req2.AsReadOnlyWrap(), securityHandlerUnpriviledged
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3errAcces
, response1.GetStatus());
// Attempt by a priviledged user should pass.
READLINK3Response response2 = nfsd.Readlink(xdr_req2.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3Ok, response2
.GetStatus());
}
/// <exception cref="System.Exception"/>
public virtual void TestClientAccessPrivilegeForRemove()
{
// Configure ro access for nfs1 service
config.Set("dfs.nfs.exports.allowed.hosts", "* ro");
// Start nfs
Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3 nfs = new Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3
(config);
nfs.StartServiceInternal(false);
RpcProgramNfs3 nfsd = (RpcProgramNfs3)nfs.GetRpcProgram();
// Create a remove request
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(testdir);
long dirId = status.GetFileId();
XDR xdr_req = new XDR();
FileHandle handle = new FileHandle(dirId);
handle.Serialize(xdr_req);
xdr_req.WriteString("f1");
// Remove operation
REMOVE3Response response = nfsd.Remove(xdr_req.AsReadOnlyWrap(), securityHandler,
new IPEndPoint("localhost", 1234));
// Assert on return code
NUnit.Framework.Assert.AreEqual("Incorrect return code", Nfs3Status.Nfs3errAcces,
response.GetStatus());
}
/// <exception cref="System.IO.IOException"/>
private void TestPlacement(string clientMachine, string clientRack)
{
// write 5 files and check whether all times block placed
for (int i = 0; i < 5; i++)
{
string src = "/test-" + i;
// Create the file with client machine
HdfsFileStatus fileStatus = namesystem.StartFile(src, perm, clientMachine, clientMachine
, EnumSet.Of(CreateFlag.Create), true, ReplicationFactor, DefaultBlockSize, null
, false);
LocatedBlock locatedBlock = nameNodeRpc.AddBlock(src, clientMachine, null, null,
fileStatus.GetFileId(), null);
NUnit.Framework.Assert.AreEqual("Block should be allocated sufficient locations",
ReplicationFactor, locatedBlock.GetLocations().Length);
if (clientRack != null)
{
NUnit.Framework.Assert.AreEqual("First datanode should be rack local", clientRack
, locatedBlock.GetLocations()[0].GetNetworkLocation());
}
nameNodeRpc.AbandonBlock(locatedBlock.GetBlock(), fileStatus.GetFileId(), src, clientMachine
);
}
}
public override XDR Mnt(XDR xdr, XDR @out, int xid, IPAddress client)
{
if (hostsMatcher == null)
{
return(MountResponse.WriteMNTResponse(Nfs3Status.Nfs3errAcces, @out, xid, null));
}
AccessPrivilege accessPrivilege = hostsMatcher.GetAccessPrivilege(client);
if (accessPrivilege == AccessPrivilege.None)
{
return(MountResponse.WriteMNTResponse(Nfs3Status.Nfs3errAcces, @out, xid, null));
}
string path = xdr.ReadString();
if (Log.IsDebugEnabled())
{
Log.Debug("MOUNT MNT path: " + path + " client: " + client);
}
string host = client.GetHostName();
if (Log.IsDebugEnabled())
{
Log.Debug("Got host: " + host + " path: " + path);
}
if (!exports.Contains(path))
{
Log.Info("Path " + path + " is not shared.");
MountResponse.WriteMNTResponse(Nfs3Status.Nfs3errNoent, @out, xid, null);
return(@out);
}
FileHandle handle = null;
try
{
HdfsFileStatus exFileStatus = dfsClient.GetFileInfo(path);
handle = new FileHandle(exFileStatus.GetFileId());
}
catch (IOException e)
{
Log.Error("Can't get handle for export:" + path, e);
MountResponse.WriteMNTResponse(Nfs3Status.Nfs3errNoent, @out, xid, null);
return(@out);
}
System.Diagnostics.Debug.Assert((handle != null));
Log.Info("Giving handle (fileId:" + handle.GetFileId() + ") to client for export "
+ path);
mounts.AddItem(new MountEntry(host, path));
MountResponse.WriteMNTResponse(Nfs3Status.Nfs3Ok, @out, xid, handle.GetContent());
return(@out);
}
public static Nfs3FileAttributes GetNfs3FileAttrFromFileStatus(HdfsFileStatus fs,
IdMappingServiceProvider iug)
{
NfsFileType fileType = fs.IsDir() ? NfsFileType.Nfsdir : NfsFileType.Nfsreg;
fileType = fs.IsSymlink() ? NfsFileType.Nfslnk : fileType;
int nlink = (fileType == NfsFileType.Nfsdir) ? fs.GetChildrenNum() + 2 : 1;
long size = (fileType == NfsFileType.Nfsdir) ? GetDirSize(fs.GetChildrenNum()) :
fs.GetLen();
return(new Nfs3FileAttributes(fileType, nlink, fs.GetPermission().ToShort(), iug.
GetUidAllowingUnknown(fs.GetOwner()), iug.GetGidAllowingUnknown(fs.GetGroup()),
size, 0, fs.GetFileId(), fs.GetModificationTime(), fs.GetAccessTime(), new Nfs3FileAttributes.Specdata3
()));
}
/// <exception cref="System.Exception"/>
private void CreateFileUsingNfs(string fileName, byte[] buffer)
{
DFSTestUtil.CreateFile(hdfs, new Path(fileName), 0, (short)1, 0);
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(fileName);
long dirId = status.GetFileId();
FileHandle handle = new FileHandle(dirId);
WRITE3Request writeReq = new WRITE3Request(handle, 0, buffer.Length, Nfs3Constant.WriteStableHow
.DataSync, ByteBuffer.Wrap(buffer));
XDR xdr_req = new XDR();
writeReq.Serialize(xdr_req);
WRITE3Response response = nfsd.Write(xdr_req.AsReadOnlyWrap(), null, 1, securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect response: ", null, response);
}
/// <exception cref="System.Exception"/>
private void Commit(string fileName, int len)
{
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(fileName);
long dirId = status.GetFileId();
FileHandle handle = new FileHandle(dirId);
XDR xdr_req = new XDR();
COMMIT3Request req = new COMMIT3Request(handle, 0, len);
req.Serialize(xdr_req);
Org.Jboss.Netty.Channel.Channel ch = Org.Mockito.Mockito.Mock <Org.Jboss.Netty.Channel.Channel
>();
COMMIT3Response response2 = nfsd.Commit(xdr_req.AsReadOnlyWrap(), ch, 1, securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect COMMIT3Response:", null, response2);
}
/// <summary>Convert a HdfsFileStatus object to a Json string.</summary>
public static string ToJsonString(HdfsFileStatus status, bool includeType)
{
if (status == null)
{
return(null);
}
IDictionary <string, object> m = new SortedDictionary <string, object>();
m["pathSuffix"] = status.GetLocalName();
m["type"] = JsonUtil.PathType.ValueOf(status);
if (status.IsSymlink())
{
m["symlink"] = status.GetSymlink();
}
m["length"] = status.GetLen();
m["owner"] = status.GetOwner();
m["group"] = status.GetGroup();
FsPermission perm = status.GetPermission();
m["permission"] = ToString(perm);
if (perm.GetAclBit())
{
m["aclBit"] = true;
}
if (perm.GetEncryptedBit())
{
m["encBit"] = true;
}
m["accessTime"] = status.GetAccessTime();
m["modificationTime"] = status.GetModificationTime();
m["blockSize"] = status.GetBlockSize();
m["replication"] = status.GetReplication();
m["fileId"] = status.GetFileId();
m["childrenNum"] = status.GetChildrenNum();
m["storagePolicy"] = status.GetStoragePolicy();
ObjectMapper mapper = new ObjectMapper();
try
{
return(includeType ? ToJsonString(typeof(FileStatus), m) : mapper.WriteValueAsString
(m));
}
catch (IOException)
{
}
return(null);
}
/// <exception cref="System.Exception"/>
private byte[] GetFileContentsUsingNfs(string fileName, int len)
{
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(fileName);
long dirId = status.GetFileId();
FileHandle handle = new FileHandle(dirId);
READ3Request readReq = new READ3Request(handle, 0, len);
XDR xdr_req = new XDR();
readReq.Serialize(xdr_req);
READ3Response response = nfsd.Read(xdr_req.AsReadOnlyWrap(), securityHandler, new
IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code: ", Nfs3Status.Nfs3Ok, response
.GetStatus());
NUnit.Framework.Assert.IsTrue("expected full read", response.IsEof());
return((byte[])response.GetData().Array());
}
/// <exception cref="System.Exception"/>
public virtual void TestPathconf()
{
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo("/tmp/bar");
long dirId = status.GetFileId();
FileHandle handle = new FileHandle(dirId);
XDR xdr_req = new XDR();
PATHCONF3Request req = new PATHCONF3Request(handle);
req.Serialize(xdr_req);
// Attempt by an unpriviledged user should fail.
PATHCONF3Response response1 = nfsd.Pathconf(xdr_req.AsReadOnlyWrap(), securityHandlerUnpriviledged
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3errAcces
, response1.GetStatus());
// Attempt by a priviledged user should pass.
PATHCONF3Response response2 = nfsd.Pathconf(xdr_req.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3Ok, response2
.GetStatus());
}
/// <exception cref="System.Exception"/>
public virtual void TestCommit()
{
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo("/tmp/bar");
long dirId = status.GetFileId();
FileHandle handle = new FileHandle(dirId);
XDR xdr_req = new XDR();
COMMIT3Request req = new COMMIT3Request(handle, 0, 5);
req.Serialize(xdr_req);
Org.Jboss.Netty.Channel.Channel ch = Org.Mockito.Mockito.Mock <Org.Jboss.Netty.Channel.Channel
>();
// Attempt by an unpriviledged user should fail.
COMMIT3Response response1 = nfsd.Commit(xdr_req.AsReadOnlyWrap(), ch, 1, securityHandlerUnpriviledged
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3errAcces
, response1.GetStatus());
// Attempt by a priviledged user should pass.
COMMIT3Response response2 = nfsd.Commit(xdr_req.AsReadOnlyWrap(), ch, 1, securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect COMMIT3Response:", null, response2);
}
/// <exception cref="System.Exception"/>
public virtual void TestCreate()
{
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(testdir);
long dirId = status.GetFileId();
XDR xdr_req = new XDR();
FileHandle handle = new FileHandle(dirId);
CREATE3Request req = new CREATE3Request(handle, "fubar", Nfs3Constant.CreateUnchecked
, new SetAttr3(), 0);
req.Serialize(xdr_req);
// Attempt by an unpriviledged user should fail.
CREATE3Response response1 = nfsd.Create(xdr_req.AsReadOnlyWrap(), securityHandlerUnpriviledged
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3errAcces
, response1.GetStatus());
// Attempt by a priviledged user should pass.
CREATE3Response response2 = nfsd.Create(xdr_req.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code:", Nfs3Status.Nfs3Ok, response2
.GetStatus());
}
/// <exception cref="System.Exception"/>
public virtual void TestSetattr()
{
HdfsFileStatus status = nn.GetRpcServer().GetFileInfo(testdir);
long dirId = status.GetFileId();
XDR xdr_req = new XDR();
FileHandle handle = new FileHandle(dirId);
SetAttr3 symAttr = new SetAttr3(0, 1, 0, 0, null, null, EnumSet.Of(SetAttr3.SetAttrField
.Uid));
SETATTR3Request req = new SETATTR3Request(handle, symAttr, false, null);
req.Serialize(xdr_req);
// Attempt by an unprivileged user should fail.
SETATTR3Response response1 = nfsd.Setattr(xdr_req.AsReadOnlyWrap(), securityHandlerUnpriviledged
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code", Nfs3Status.Nfs3errAcces,
response1.GetStatus());
// Attempt by a priviledged user should pass.
SETATTR3Response response2 = nfsd.Setattr(xdr_req.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.AreEqual("Incorrect return code", Nfs3Status.Nfs3Ok, response2
.GetStatus());
}
public virtual void TestWriteStableHow()
{
NfsConfiguration config = new NfsConfiguration();
DFSClient client = null;
MiniDFSCluster cluster = null;
RpcProgramNfs3 nfsd;
SecurityHandler securityHandler = Org.Mockito.Mockito.Mock <SecurityHandler>();
Org.Mockito.Mockito.When(securityHandler.GetUser()).ThenReturn(Runtime.GetProperty
("user.name"));
string currentUser = Runtime.GetProperty("user.name");
config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserGroupConfKey
(currentUser), "*");
config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserIpConfKey
(currentUser), "*");
ProxyUsers.RefreshSuperUserGroupsConfiguration(config);
try
{
cluster = new MiniDFSCluster.Builder(config).NumDataNodes(1).Build();
cluster.WaitActive();
client = new DFSClient(NameNode.GetAddress(config), config);
// Use emphral port in case tests are running in parallel
config.SetInt("nfs3.mountd.port", 0);
config.SetInt("nfs3.server.port", 0);
// Start nfs
Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3 nfs3 = new Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3
(config);
nfs3.StartServiceInternal(false);
nfsd = (RpcProgramNfs3)nfs3.GetRpcProgram();
HdfsFileStatus status = client.GetFileInfo("/");
FileHandle rootHandle = new FileHandle(status.GetFileId());
// Create file1
CREATE3Request createReq = new CREATE3Request(rootHandle, "file1", Nfs3Constant.CreateUnchecked
, new SetAttr3(), 0);
XDR createXdr = new XDR();
createReq.Serialize(createXdr);
CREATE3Response createRsp = nfsd.Create(createXdr.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
FileHandle handle = createRsp.GetObjHandle();
// Test DATA_SYNC
byte[] buffer = new byte[10];
for (int i = 0; i < 10; i++)
{
buffer[i] = unchecked ((byte)i);
}
WRITE3Request writeReq = new WRITE3Request(handle, 0, 10, Nfs3Constant.WriteStableHow
.DataSync, ByteBuffer.Wrap(buffer));
XDR writeXdr = new XDR();
writeReq.Serialize(writeXdr);
nfsd.Write(writeXdr.AsReadOnlyWrap(), null, 1, securityHandler, new IPEndPoint("localhost"
, 1234));
WaitWrite(nfsd, handle, 60000);
// Readback
READ3Request readReq = new READ3Request(handle, 0, 10);
XDR readXdr = new XDR();
readReq.Serialize(readXdr);
READ3Response readRsp = nfsd.Read(readXdr.AsReadOnlyWrap(), securityHandler, new
IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.IsTrue(Arrays.Equals(buffer, ((byte[])readRsp.GetData().Array
())));
// Test FILE_SYNC
// Create file2
CREATE3Request createReq2 = new CREATE3Request(rootHandle, "file2", Nfs3Constant.
CreateUnchecked, new SetAttr3(), 0);
XDR createXdr2 = new XDR();
createReq2.Serialize(createXdr2);
CREATE3Response createRsp2 = nfsd.Create(createXdr2.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
FileHandle handle2 = createRsp2.GetObjHandle();
WRITE3Request writeReq2 = new WRITE3Request(handle2, 0, 10, Nfs3Constant.WriteStableHow
.FileSync, ByteBuffer.Wrap(buffer));
XDR writeXdr2 = new XDR();
writeReq2.Serialize(writeXdr2);
nfsd.Write(writeXdr2.AsReadOnlyWrap(), null, 1, securityHandler, new IPEndPoint("localhost"
, 1234));
WaitWrite(nfsd, handle2, 60000);
// Readback
READ3Request readReq2 = new READ3Request(handle2, 0, 10);
XDR readXdr2 = new XDR();
readReq2.Serialize(readXdr2);
READ3Response readRsp2 = nfsd.Read(readXdr2.AsReadOnlyWrap(), securityHandler, new
IPEndPoint("localhost", 1234));
NUnit.Framework.Assert.IsTrue(Arrays.Equals(buffer, ((byte[])readRsp2.GetData().Array
())));
// FILE_SYNC should sync the file size
status = client.GetFileInfo("/file2");
NUnit.Framework.Assert.IsTrue(status.GetLen() == 10);
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public virtual void TestRestartDfsWithAbandonedBlock()
{
Configuration conf = new HdfsConfiguration();
// Turn off persistent IPC, so that the DFSClient can survive NN restart
conf.SetInt(CommonConfigurationKeysPublic.IpcClientConnectionMaxidletimeKey, 0);
MiniDFSCluster cluster = null;
long len = 0;
FSDataOutputStream stream;
try
{
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(3).Build();
FileSystem fs = cluster.GetFileSystem();
// Creating a file with 4096 blockSize to write multiple blocks
stream = fs.Create(FilePath, true, BlockSize, (short)1, BlockSize);
stream.Write(DataBeforeRestart);
stream.Hflush();
// Wait for all of the blocks to get through
while (len < BlockSize * (NumBlocks - 1))
{
FileStatus status = fs.GetFileStatus(FilePath);
len = status.GetLen();
Sharpen.Thread.Sleep(100);
}
// Abandon the last block
DFSClient dfsclient = DFSClientAdapter.GetDFSClient((DistributedFileSystem)fs);
HdfsFileStatus fileStatus = dfsclient.GetNamenode().GetFileInfo(FileName);
LocatedBlocks blocks = dfsclient.GetNamenode().GetBlockLocations(FileName, 0, BlockSize
* NumBlocks);
NUnit.Framework.Assert.AreEqual(NumBlocks, blocks.GetLocatedBlocks().Count);
LocatedBlock b = blocks.GetLastLocatedBlock();
dfsclient.GetNamenode().AbandonBlock(b.GetBlock(), fileStatus.GetFileId(), FileName
, dfsclient.clientName);
// explicitly do NOT close the file.
cluster.RestartNameNode();
// Check that the file has no less bytes than before the restart
// This would mean that blocks were successfully persisted to the log
FileStatus status_1 = fs.GetFileStatus(FilePath);
NUnit.Framework.Assert.IsTrue("Length incorrect: " + status_1.GetLen(), status_1.
GetLen() == len - BlockSize);
// Verify the data showed up from before restart, sans abandoned block.
FSDataInputStream readStream = fs.Open(FilePath);
try
{
byte[] verifyBuf = new byte[DataBeforeRestart.Length - BlockSize];
IOUtils.ReadFully(readStream, verifyBuf, 0, verifyBuf.Length);
byte[] expectedBuf = new byte[DataBeforeRestart.Length - BlockSize];
System.Array.Copy(DataBeforeRestart, 0, expectedBuf, 0, expectedBuf.Length);
Assert.AssertArrayEquals(expectedBuf, verifyBuf);
}
finally
{
IOUtils.CloseStream(readStream);
}
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public virtual void TestOOOWrites()
{
NfsConfiguration config = new NfsConfiguration();
MiniDFSCluster cluster = null;
RpcProgramNfs3 nfsd;
int bufSize = 32;
int numOOO = 3;
SecurityHandler securityHandler = Org.Mockito.Mockito.Mock <SecurityHandler>();
Org.Mockito.Mockito.When(securityHandler.GetUser()).ThenReturn(Runtime.GetProperty
("user.name"));
string currentUser = Runtime.GetProperty("user.name");
config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserGroupConfKey
(currentUser), "*");
config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserIpConfKey
(currentUser), "*");
ProxyUsers.RefreshSuperUserGroupsConfiguration(config);
// Use emphral port in case tests are running in parallel
config.SetInt("nfs3.mountd.port", 0);
config.SetInt("nfs3.server.port", 0);
try
{
cluster = new MiniDFSCluster.Builder(config).NumDataNodes(1).Build();
cluster.WaitActive();
Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3 nfs3 = new Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3
(config);
nfs3.StartServiceInternal(false);
nfsd = (RpcProgramNfs3)nfs3.GetRpcProgram();
DFSClient dfsClient = new DFSClient(NameNode.GetAddress(config), config);
HdfsFileStatus status = dfsClient.GetFileInfo("/");
FileHandle rootHandle = new FileHandle(status.GetFileId());
CREATE3Request createReq = new CREATE3Request(rootHandle, "out-of-order-write" +
Runtime.CurrentTimeMillis(), Nfs3Constant.CreateUnchecked, new SetAttr3(), 0);
XDR createXdr = new XDR();
createReq.Serialize(createXdr);
CREATE3Response createRsp = nfsd.Create(createXdr.AsReadOnlyWrap(), securityHandler
, new IPEndPoint("localhost", 1234));
FileHandle handle = createRsp.GetObjHandle();
byte[][] oooBuf = new byte[][] { new byte[bufSize], new byte[bufSize], new byte[bufSize
] };
for (int i = 0; i < numOOO; i++)
{
Arrays.Fill(oooBuf[i], unchecked ((byte)i));
}
for (int i_1 = 0; i_1 < numOOO; i_1++)
{
long offset = (numOOO - 1 - i_1) * bufSize;
WRITE3Request writeReq = new WRITE3Request(handle, offset, bufSize, Nfs3Constant.WriteStableHow
.Unstable, ByteBuffer.Wrap(oooBuf[i_1]));
XDR writeXdr = new XDR();
writeReq.Serialize(writeXdr);
nfsd.Write(writeXdr.AsReadOnlyWrap(), null, 1, securityHandler, new IPEndPoint("localhost"
, 1234));
}
WaitWrite(nfsd, handle, 60000);
READ3Request readReq = new READ3Request(handle, bufSize, bufSize);
XDR readXdr = new XDR();
readReq.Serialize(readXdr);
READ3Response readRsp = nfsd.Read(readXdr.AsReadOnlyWrap(), securityHandler, new
IPEndPoint("localhost", config.GetInt(NfsConfigKeys.DfsNfsServerPortKey, NfsConfigKeys
.DfsNfsServerPortDefault)));
NUnit.Framework.Assert.IsTrue(Arrays.Equals(oooBuf[1], ((byte[])readRsp.GetData()
.Array())));
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
