Exemplo n.º 1
0
        public virtual void TestExportPoint()
        {
            NfsConfiguration config      = new NfsConfiguration();
            MiniDFSCluster   cluster     = null;
            string           exportPoint = "/myexport1";

            config.SetStrings(NfsConfigKeys.DfsNfsExportPointKey, exportPoint);
            // 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();
                // Start nfs
                Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3 nfsServer = new Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3
                                                                     (config);
                nfsServer.StartServiceInternal(false);
                Mountd           mountd   = nfsServer.GetMountd();
                RpcProgramMountd rpcMount = (RpcProgramMountd)mountd.GetRpcProgram();
                NUnit.Framework.Assert.IsTrue(rpcMount.GetExports().Count == 1);
                string exportInMountd = rpcMount.GetExports()[0];
                NUnit.Framework.Assert.IsTrue(exportInMountd.Equals(exportPoint));
            }
            finally
            {
                if (cluster != null)
                {
                    cluster.Shutdown();
                }
            }
        }
Exemplo n.º 2
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        public static void Setup()
        {
            string currentUser = Runtime.GetProperty("user.name");

            config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserGroupConfKey
                           (currentUser), "*");
            config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserIpConfKey
                           (currentUser), "*");
            ProxyUsers.RefreshSuperUserGroupsConfiguration(config);
            cluster = new MiniDFSCluster.Builder(config).NumDataNodes(1).Build();
            cluster.WaitActive();
            hdfs = cluster.GetFileSystem();
            nn   = cluster.GetNameNode();
            // 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();
            securityHandler = Org.Mockito.Mockito.Mock <SecurityHandler>();
            Org.Mockito.Mockito.When(securityHandler.GetUser()).ThenReturn(Runtime.GetProperty
                                                                               ("user.name"));
        }
Exemplo n.º 3
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        public static void SetUp()
        {
            conf.Set(DFSConfigKeys.DfsHttpPolicyKey, HttpConfig.Policy.HttpAndHttps.ToString(
                         ));
            conf.Set(NfsConfigKeys.NfsHttpAddressKey, "localhost:0");
            conf.Set(NfsConfigKeys.NfsHttpsAddressKey, "localhost:0");
            // Use emphral port in case tests are running in parallel
            conf.SetInt(NfsConfigKeys.DfsNfsServerPortKey, 0);
            conf.SetInt(NfsConfigKeys.DfsNfsMountdPortKey, 0);
            FilePath @base = new FilePath(Basedir);

            FileUtil.FullyDelete(@base);
            @base.Mkdirs();
            keystoresDir = new FilePath(Basedir).GetAbsolutePath();
            sslConfDir   = KeyStoreTestUtil.GetClasspathDir(typeof(TestNfs3HttpServer));
            KeyStoreTestUtil.SetupSSLConfig(keystoresDir, sslConfDir, conf, false);
            cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(1).Build();
            cluster.WaitActive();
        }
Exemplo n.º 4
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        public static void Setup()
        {
            string currentUser = Runtime.GetProperty("user.name");

            config.Set("fs.permissions.umask-mode", "u=rwx,g=,o=");
            config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserGroupConfKey
                           (currentUser), "*");
            config.Set(DefaultImpersonationProvider.GetTestProvider().GetProxySuperuserIpConfKey
                           (currentUser), "*");
            fsHelper = new FileSystemTestHelper();
            // Set up java key store
            string testRoot = fsHelper.GetTestRootDir();

            testRootDir = new FilePath(testRoot).GetAbsoluteFile();
            Path jksPath = new Path(testRootDir.ToString(), "test.jks");

            config.Set(DFSConfigKeys.DfsEncryptionKeyProviderUri, JavaKeyStoreProvider.SchemeName
                       + "://file" + jksPath.ToUri());
            ProxyUsers.RefreshSuperUserGroupsConfiguration(config);
            cluster = new MiniDFSCluster.Builder(config).NumDataNodes(1).Build();
            cluster.WaitActive();
            hdfs     = cluster.GetFileSystem();
            nn       = cluster.GetNameNode();
            dfsAdmin = new HdfsAdmin(cluster.GetURI(), config);
            // Use ephemeral ports in case tests are running in parallel
            config.SetInt("nfs3.mountd.port", 0);
            config.SetInt("nfs3.server.port", 0);
            // Start NFS with allowed.hosts set to "* rw"
            config.Set("dfs.nfs.exports.allowed.hosts", "* rw");
            nfs = new Org.Apache.Hadoop.Hdfs.Nfs.Nfs3.Nfs3(config);
            nfs.StartServiceInternal(false);
            nfsd = (RpcProgramNfs3)nfs.GetRpcProgram();
            hdfs.GetClient().SetKeyProvider(nn.GetNamesystem().GetProvider());
            DFSTestUtil.CreateKey(TestKey, cluster, config);
            // Mock SecurityHandler which returns system user.name
            securityHandler = Org.Mockito.Mockito.Mock <SecurityHandler>();
            Org.Mockito.Mockito.When(securityHandler.GetUser()).ThenReturn(currentUser);
            // Mock SecurityHandler which returns a dummy username "harry"
            securityHandlerUnpriviledged = Org.Mockito.Mockito.Mock <SecurityHandler>();
            Org.Mockito.Mockito.When(securityHandlerUnpriviledged.GetUser()).ThenReturn("harry"
                                                                                        );
        }
Exemplo n.º 5
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        public virtual void TestDeprecatedKeys()
        {
            NfsConfiguration conf = new NfsConfiguration();

            conf.SetInt("nfs3.server.port", 998);
            NUnit.Framework.Assert.IsTrue(conf.GetInt(NfsConfigKeys.DfsNfsServerPortKey, 0) ==
                                          998);
            conf.SetInt("nfs3.mountd.port", 999);
            NUnit.Framework.Assert.IsTrue(conf.GetInt(NfsConfigKeys.DfsNfsMountdPortKey, 0) ==
                                          999);
            conf.Set("dfs.nfs.exports.allowed.hosts", "host1");
            NUnit.Framework.Assert.IsTrue(conf.Get(CommonConfigurationKeys.NfsExportsAllowedHostsKey
                                                   ).Equals("host1"));
            conf.SetInt("dfs.nfs.exports.cache.expirytime.millis", 1000);
            NUnit.Framework.Assert.IsTrue(conf.GetInt(Nfs3Constant.NfsExportsCacheExpirytimeMillisKey
                                                      , 0) == 1000);
            conf.SetInt("hadoop.nfs.userupdate.milly", 10);
            NUnit.Framework.Assert.IsTrue(conf.GetInt(IdMappingConstant.UsergroupidUpdateMillisKey
                                                      , 0) == 10);
            conf.Set("dfs.nfs3.dump.dir", "/nfs/tmp");
            NUnit.Framework.Assert.IsTrue(conf.Get(NfsConfigKeys.DfsNfsFileDumpDirKey).Equals
                                              ("/nfs/tmp"));
            conf.SetBoolean("dfs.nfs3.enableDump", false);
            NUnit.Framework.Assert.IsTrue(conf.GetBoolean(NfsConfigKeys.DfsNfsFileDumpKey, true
                                                          ) == false);
            conf.SetInt("dfs.nfs3.max.open.files", 500);
            NUnit.Framework.Assert.IsTrue(conf.GetInt(NfsConfigKeys.DfsNfsMaxOpenFilesKey, 0)
                                          == 500);
            conf.SetInt("dfs.nfs3.stream.timeout", 6000);
            NUnit.Framework.Assert.IsTrue(conf.GetInt(NfsConfigKeys.DfsNfsStreamTimeoutKey, 0
                                                      ) == 6000);
            conf.Set("dfs.nfs3.export.point", "/dir1");
            NUnit.Framework.Assert.IsTrue(conf.Get(NfsConfigKeys.DfsNfsExportPointKey).Equals
                                              ("/dir1"));
        }
Exemplo n.º 6
0
        public virtual void TestEviction()
        {
            NfsConfiguration conf = new NfsConfiguration();

            // Only two entries will be in the cache
            conf.SetInt(NfsConfigKeys.DfsNfsMaxOpenFilesKey, 2);
            DFSClient            dfsClient = Org.Mockito.Mockito.Mock <DFSClient>();
            Nfs3FileAttributes   attr      = new Nfs3FileAttributes();
            HdfsDataOutputStream fos       = Org.Mockito.Mockito.Mock <HdfsDataOutputStream>();

            Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)0);
            OpenFileCtx context1 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtx context2 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtx context3 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtx context4 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtx context5 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtxCache cache = new OpenFileCtxCache(conf, 10 * 60 * 100);
            bool             ret   = cache.Put(new FileHandle(1), context1);

            NUnit.Framework.Assert.IsTrue(ret);
            Sharpen.Thread.Sleep(1000);
            ret = cache.Put(new FileHandle(2), context2);
            NUnit.Framework.Assert.IsTrue(ret);
            ret = cache.Put(new FileHandle(3), context3);
            NUnit.Framework.Assert.IsFalse(ret);
            NUnit.Framework.Assert.IsTrue(cache.Size() == 2);
            // Wait for the oldest stream to be evict-able, insert again
            Sharpen.Thread.Sleep(NfsConfigKeys.DfsNfsStreamTimeoutMinDefault);
            NUnit.Framework.Assert.IsTrue(cache.Size() == 2);
            ret = cache.Put(new FileHandle(3), context3);
            NUnit.Framework.Assert.IsTrue(ret);
            NUnit.Framework.Assert.IsTrue(cache.Size() == 2);
            NUnit.Framework.Assert.IsTrue(cache.Get(new FileHandle(1)) == null);
            // Test inactive entry is evicted immediately
            context3.SetActiveStatusForTest(false);
            ret = cache.Put(new FileHandle(4), context4);
            NUnit.Framework.Assert.IsTrue(ret);
            // Now the cache has context2 and context4
            // Test eviction failure if all entries have pending work.
            context2.GetPendingWritesForTest()[new OffsetRange(0, 100)] = new WriteCtx(null,
                                                                                       0, 0, 0, null, null, null, 0, false, null);
            context4.GetPendingCommitsForTest()[System.Convert.ToInt64(100)] = new OpenFileCtx.CommitCtx
                                                                                   (0, null, 0, attr);
            Sharpen.Thread.Sleep(NfsConfigKeys.DfsNfsStreamTimeoutMinDefault);
            ret = cache.Put(new FileHandle(5), context5);
            NUnit.Framework.Assert.IsFalse(ret);
        }
Exemplo n.º 7
0
        public virtual void TestStart()
        {
            // Start minicluster
            NfsConfiguration config  = new NfsConfiguration();
            MiniDFSCluster   cluster = new MiniDFSCluster.Builder(config).NumDataNodes(1).Build
                                           ();

            cluster.WaitActive();
            // 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);
            RpcProgramMountd mountd = (RpcProgramMountd)nfs3.GetMountd().GetRpcProgram();

            mountd.NullOp(new XDR(), 1234, Sharpen.Extensions.GetAddressByName("localhost"));
            RpcProgramNfs3 nfsd = (RpcProgramNfs3)nfs3.GetRpcProgram();

            nfsd.NullProcedure();
            cluster.Shutdown();
        }
Exemplo n.º 8
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        public virtual void TestScan()
        {
            NfsConfiguration conf = new NfsConfiguration();

            // Only two entries will be in the cache
            conf.SetInt(NfsConfigKeys.DfsNfsMaxOpenFilesKey, 2);
            DFSClient            dfsClient = Org.Mockito.Mockito.Mock <DFSClient>();
            Nfs3FileAttributes   attr      = new Nfs3FileAttributes();
            HdfsDataOutputStream fos       = Org.Mockito.Mockito.Mock <HdfsDataOutputStream>();

            Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)0);
            OpenFileCtx context1 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtx context2 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtx context3 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtx context4 = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new
                                                   ShellBasedIdMapping(new NfsConfiguration()));
            OpenFileCtxCache cache = new OpenFileCtxCache(conf, 10 * 60 * 100);
            // Test cleaning expired entry
            bool ret = cache.Put(new FileHandle(1), context1);

            NUnit.Framework.Assert.IsTrue(ret);
            ret = cache.Put(new FileHandle(2), context2);
            NUnit.Framework.Assert.IsTrue(ret);
            Sharpen.Thread.Sleep(NfsConfigKeys.DfsNfsStreamTimeoutMinDefault + 1);
            cache.Scan(NfsConfigKeys.DfsNfsStreamTimeoutMinDefault);
            NUnit.Framework.Assert.IsTrue(cache.Size() == 0);
            // Test cleaning inactive entry
            ret = cache.Put(new FileHandle(3), context3);
            NUnit.Framework.Assert.IsTrue(ret);
            ret = cache.Put(new FileHandle(4), context4);
            NUnit.Framework.Assert.IsTrue(ret);
            context3.SetActiveStatusForTest(false);
            cache.Scan(NfsConfigKeys.DfsNfsStreamTimeoutDefault);
            NUnit.Framework.Assert.IsTrue(cache.Size() == 1);
            NUnit.Framework.Assert.IsTrue(cache.Get(new FileHandle(3)) == null);
            NUnit.Framework.Assert.IsTrue(cache.Get(new FileHandle(4)) != null);
        }
Exemplo n.º 9
0
        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();
                }
            }
        }
Exemplo n.º 10
0
        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();
                }
            }
        }