/// <exception cref="System.IO.IOException"/>
internal JournalNodeRpcServer(Configuration conf, JournalNode jn)
{
this.jn = jn;
Configuration confCopy = new Configuration(conf);
// Ensure that nagling doesn't kick in, which could cause latency issues.
confCopy.SetBoolean(CommonConfigurationKeysPublic.IpcServerTcpnodelayKey, true);
IPEndPoint addr = GetAddress(confCopy);
RPC.SetProtocolEngine(confCopy, typeof(QJournalProtocolPB), typeof(ProtobufRpcEngine
));
QJournalProtocolServerSideTranslatorPB translator = new QJournalProtocolServerSideTranslatorPB
(this);
BlockingService service = QJournalProtocolProtos.QJournalProtocolService.NewReflectiveBlockingService
(translator);
this.server = new RPC.Builder(confCopy).SetProtocol(typeof(QJournalProtocolPB)).SetInstance
(service).SetBindAddress(addr.GetHostName()).SetPort(addr.Port).SetNumHandlers(HandlerCount
).SetVerbose(false).Build();
// set service-level authorization security policy
if (confCopy.GetBoolean(CommonConfigurationKeys.HadoopSecurityAuthorization, false
))
{
server.RefreshServiceAcl(confCopy, new HDFSPolicyProvider());
}
}
public virtual void Setup()
{
// start 1 journal node
jCluster = new MiniJournalCluster.Builder(new Configuration()).Format(true).NumJournalNodes
(NumJn).Build();
jn = jCluster.GetJournalNode(0);
}
private static void AssertJNFailsToStart(Configuration conf, string errString)
{
try
{
JournalNode jn = new JournalNode();
jn.SetConf(conf);
jn.Start();
}
catch (Exception e)
{
GenericTestUtils.AssertExceptionContains(errString, e);
}
}
public virtual void Setup()
{
FilePath editsDir = new FilePath(MiniDFSCluster.GetBaseDirectory() + FilePath.separator
+ "TestJournalNode");
FileUtil.FullyDelete(editsDir);
conf.Set(DFSConfigKeys.DfsJournalnodeEditsDirKey, editsDir.GetAbsolutePath());
conf.Set(DFSConfigKeys.DfsJournalnodeRpcAddressKey, "0.0.0.0:0");
jn = new JournalNode();
jn.SetConf(conf);
jn.Start();
journalId = "test-journalid-" + GenericTestUtils.UniqueSequenceId();
journal = jn.GetOrCreateJournal(journalId);
journal.Format(FakeNsinfo);
ch = new IPCLoggerChannel(conf, FakeNsinfo, journalId, jn.GetBoundIpcAddress());
}
public virtual void TestJournalNodeMXBean()
{
// we have not formatted the journals yet, and the journal status in jmx
// should be empty since journal objects are created lazily
MBeanServer mbs = ManagementFactory.GetPlatformMBeanServer();
ObjectName mxbeanName = new ObjectName("Hadoop:service=JournalNode,name=JournalNodeInfo"
);
// getJournalsStatus
string journalStatus = (string)mbs.GetAttribute(mxbeanName, "JournalsStatus");
NUnit.Framework.Assert.AreEqual(jn.GetJournalsStatus(), journalStatus);
NUnit.Framework.Assert.IsFalse(journalStatus.Contains(Nameservice));
// format the journal ns1
NamespaceInfo FakeNsinfo = new NamespaceInfo(12345, "mycluster", "my-bp", 0L);
jn.GetOrCreateJournal(Nameservice).Format(FakeNsinfo);
// check again after format
// getJournalsStatus
journalStatus = (string)mbs.GetAttribute(mxbeanName, "JournalsStatus");
NUnit.Framework.Assert.AreEqual(jn.GetJournalsStatus(), journalStatus);
IDictionary <string, IDictionary <string, string> > jMap = new Dictionary <string, IDictionary
<string, string> >();
IDictionary <string, string> infoMap = new Dictionary <string, string>();
infoMap["Formatted"] = "true";
jMap[Nameservice] = infoMap;
NUnit.Framework.Assert.AreEqual(JSON.ToString(jMap), journalStatus);
// restart journal node without formatting
jCluster = new MiniJournalCluster.Builder(new Configuration()).Format(false).NumJournalNodes
(NumJn).Build();
jn = jCluster.GetJournalNode(0);
// re-check
journalStatus = (string)mbs.GetAttribute(mxbeanName, "JournalsStatus");
NUnit.Framework.Assert.AreEqual(jn.GetJournalsStatus(), journalStatus);
jMap = new Dictionary <string, IDictionary <string, string> >();
infoMap = new Dictionary <string, string>();
infoMap["Formatted"] = "true";
jMap[Nameservice] = infoMap;
NUnit.Framework.Assert.AreEqual(JSON.ToString(jMap), journalStatus);
}
/// <exception cref="System.IO.IOException"/>
public static Journal GetJournalFromContext(ServletContext context, string jid)
{
JournalNode jn = (JournalNode)context.GetAttribute(JnAttributeKey);
return(jn.GetOrCreateJournal(jid));
}
internal JournalNodeHttpServer(Configuration conf, JournalNode jn)
{
this.conf = conf;
this.localJournalNode = jn;
}
internal ErrorReporter(JournalNode _enclosing)
{
this._enclosing = _enclosing;
}
