// Regression test for HDFS-8070
/// <exception cref="System.Exception"/>
public virtual void TestPreReceiptVerificationDfsClientCanDoScr()
{
BlockReaderTestUtil.EnableShortCircuitShmTracing();
TemporarySocketDirectory sockDir = new TemporarySocketDirectory();
Configuration conf = CreateShortCircuitConf("testPreReceiptVerificationDfsClientCanDoScr"
, sockDir);
conf.SetLong(DFSConfigKeys.DfsClientReadShortcircuitStreamsCacheExpiryMsKey, 1000000000L
);
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(1).Build();
cluster.WaitActive();
DistributedFileSystem fs = cluster.GetFileSystem();
fs.GetClient().GetConf().brfFailureInjector = new TestShortCircuitCache.TestPreReceiptVerificationFailureInjector
();
Path TestPath1 = new Path("/test_file1");
DFSTestUtil.CreateFile(fs, TestPath1, 4096, (short)1, unchecked ((int)(0xFADE2)));
Path TestPath2 = new Path("/test_file2");
DFSTestUtil.CreateFile(fs, TestPath2, 4096, (short)1, unchecked ((int)(0xFADE2)));
DFSTestUtil.ReadFileBuffer(fs, TestPath1);
DFSTestUtil.ReadFileBuffer(fs, TestPath2);
ShortCircuitRegistry registry = cluster.GetDataNodes()[0].GetShortCircuitRegistry
();
registry.Visit(new _Visitor_780());
cluster.Shutdown();
sockDir.Close();
}
public virtual void SetUp()
{
datanode = Org.Mockito.Mockito.Mock <DataNode>();
storage = Org.Mockito.Mockito.Mock <DataStorage>();
this.conf = new Configuration();
this.conf.SetLong(DFSConfigKeys.DfsDatanodeScanPeriodHoursKey, 0);
DNConf dnConf = new DNConf(conf);
Org.Mockito.Mockito.When(datanode.GetConf()).ThenReturn(conf);
Org.Mockito.Mockito.When(datanode.GetDnConf()).ThenReturn(dnConf);
BlockScanner disabledBlockScanner = new BlockScanner(datanode, conf);
Org.Mockito.Mockito.When(datanode.GetBlockScanner()).ThenReturn(disabledBlockScanner
);
ShortCircuitRegistry shortCircuitRegistry = new ShortCircuitRegistry(conf);
Org.Mockito.Mockito.When(datanode.GetShortCircuitRegistry()).ThenReturn(shortCircuitRegistry
);
CreateStorageDirs(storage, conf, NumInitVolumes);
dataset = new FsDatasetImpl(datanode, storage, conf);
foreach (string bpid in BlockPoolIds)
{
dataset.AddBlockPool(bpid, conf);
}
NUnit.Framework.Assert.AreEqual(NumInitVolumes, dataset.GetVolumes().Count);
NUnit.Framework.Assert.AreEqual(0, dataset.GetNumFailedVolumes());
}
private static void CheckNumberOfSegmentsAndSlots(int expectedSegments, int expectedSlots
, ShortCircuitRegistry registry)
{
registry.Visit(new _Visitor_631(expectedSegments, expectedSlots));
}
