private void Open()
{
if (this.m_logShipContext != null && !this.m_logShipContext.IsInvalid)
{
return;
}
uint hr = 0U;
uint tmpDwExtError = 0U;
CLogShipContext tmpLogShipContext = null;
uint rpcTimeoutMsec = (uint)this.m_timeout.TotalMilliseconds;
string guid = this.m_config.IdentityGuid.ToString();
Action operation = delegate()
{
hr = CLogShipContext.Open(this.m_config.SourceMachine, guid, this.m_config.ServerName, this.m_config.LogFilePrefix, this.m_config.DestinationLogPath, this.m_config.CircularLoggingEnabled, ReplicaType.StandbyReplica, rpcTimeoutMsec, out tmpDwExtError, out tmpLogShipContext);
if (hr == 0U)
{
this.m_logShipContext = tmpLogShipContext;
}
};
try
{
base.ProtectedCallWithTimeout("LogShipOpenContext", this.m_timeout, operation);
if (hr != 0U || tmpLogShipContext == null || tmpLogShipContext.IsInvalid)
{
if (hr == 3355379665U)
{
throw new CopyUnknownToActiveLogTruncationException(guid, this.m_config.SourceMachine, this.m_config.ServerName, hr);
}
string text;
if (hr == 3355444321U)
{
text = ReplayStrings.FileSystemCorruptionDetected(this.m_config.DestinationLogPath);
ReplayEventLogConstants.Tuple_FilesystemCorrupt.LogEvent(this.m_config.IdentityGuid.ToString(), new object[]
{
this.m_config.DestinationLogPath
});
FailureItemPublisherHelper.PublishAction(FailureTag.FileSystemCorruption, this.m_config.IdentityGuid, this.m_config.IdentityGuid.ToString());
}
else
{
text = SeedHelper.TranslateEsebackErrorCode((long)((ulong)hr), (long)((ulong)tmpDwExtError));
if (text == null)
{
text = ReplayStrings.SeederEcUndefined((int)hr);
}
}
throw new FailedToOpenLogTruncContextException(this.m_config.SourceMachine, hr, text);
}
}
catch (TimeoutException ex)
{
throw new FailedToOpenLogTruncContextException(this.m_config.SourceMachine, 258U, ReplayStrings.ReplayTestStoreConnectivityTimedoutException("LogShipOpenContext", ex.Message), ex);
}
catch (OperationAbortedException ex2)
{
throw new FailedToOpenLogTruncContextException(this.m_config.SourceMachine, 1003U, ex2.Message, ex2);
}
}
private void ActOnLowSpace(IADDatabase db)
{
ExEventLog.EventTuple tuple_DatabaseSuspendedDueToLowSpace = ReplayEventLogConstants.Tuple_DatabaseSuspendedDueToLowSpace;
tuple_DatabaseSuspendedDueToLowSpace.LogEvent(db.Name, new object[]
{
db.Name
});
FailureItemPublisherHelper.PublishFailureItem(FailureNameSpace.DagManagement, FailureTag.LowDiskSpaceStraggler, db.Guid, db.Name, null);
}
private void SetBrokenInternal(FailureTag failureTag, ExEventLog.EventTuple setBrokenEventTuple, ExtendedErrorInfo extendedErrorInfo, params string[] setBrokenArgsPlusDb)
{
int num;
string text = setBrokenEventTuple.EventLogToString(out num, setBrokenArgsPlusDb);
Exception failureException = extendedErrorInfo.FailureException;
int num2 = 0;
if (failureException != null)
{
num2 = failureException.HResult;
}
ReplayCrimsonEvents.SetBroken.LogPeriodic <Guid, string, string, string, Exception, int>(this.m_databaseName, DiagCore.DefaultEventSuppressionInterval, this.m_guid, this.m_databaseName, text, Environment.StackTrace, failureException, num2);
bool flag = false;
lock (this.m_instance)
{
flag = this.IsBroken;
this.FailureInfo.SetBroken(setBrokenEventTuple, new LocalizedString(text), extendedErrorInfo);
if (this.m_perfmonCounters != null)
{
this.m_perfmonCounters.Failed = 1L;
this.m_perfmonCounters.Disconnected = 0L;
if (this.Suspended)
{
this.m_perfmonCounters.FailedSuspended = 1L;
}
}
bool flag3;
setBrokenEventTuple.LogEvent(this.m_identity, out flag3, setBrokenArgsPlusDb);
ExTraceGlobals.ReplicaInstanceTracer.TraceDebug <string, FailureTag, string>((long)this.GetHashCode(), "{0} SetBroken with tag {1} because {2}", this.m_displayName, failureTag, text);
MonitoredDatabase monitoredDatabase = MonitoredDatabase.FindMonitoredDatabase(this.ReplicaInstance.Configuration.ServerName, this.m_guid);
if (monitoredDatabase != null && this.PassiveSeedingSourceContext != PassiveSeedingSourceContextEnum.None)
{
ExTraceGlobals.ReplicaInstanceTracer.TraceDebug <Guid>((long)this.GetHashCode(), "Cancel seeding for mdb {0}", this.m_guid);
SourceSeedTable.Instance.CancelSeedingIfAppropriate(SourceSeedTable.CancelReason.CopyFailed, monitoredDatabase.DatabaseGuid);
}
bool flag4 = false;
if (flag3 && (!RegistryParameters.DisableSetBrokenFailureItemSuppression || this.IsSuppressableFailureTag(failureTag)) && !this.IsNonSuppressableFailureTag(failureTag))
{
flag4 = true;
}
if (!flag4 && failureTag != FailureTag.NoOp)
{
FailureItemPublisherHelper.PublishAction(failureTag, this.m_guid, this.m_databaseName);
}
if (!flag)
{
this.FailureInfo.PersistFailure(this.m_replayState);
}
this.ExternalStatus.Refresh();
}
if (!flag)
{
this.m_instance.PrepareToStop();
}
}
public void ProcessSourceLogCorruption(long badGeneration, Exception ex)
{
if (Monitor.TryEnter(this.m_sourceLogCorruptionLock))
{
try
{
long num = this.EndOfLogGeneration - badGeneration;
if (num >= (long)RegistryParameters.CorruptLogRequiredRange)
{
if (badGeneration > this.m_mostRecentSourceLogCorruptionGen)
{
this.m_mostRecentSourceLogCorruptionGen = badGeneration;
FailureItemPublisherHelper.PublishAction(FailureTag.SourceLogCorruptionOutsideRequiredRange, this.DatabaseGuid, this.DatabaseName, null);
}
}
else
{
ReplicaInstanceManager replicaInstanceManager = Dependencies.ReplayCoreManager.ReplicaInstanceManager;
ReplicaInstance replicaInstance = null;
if (replicaInstanceManager.TryGetReplicaInstance(this.DatabaseGuid, out replicaInstance) && replicaInstance.CurrentContext.IsBroken)
{
MonitoredDatabase.Tracer.TraceError((long)this.GetHashCode(), "ProcessSourceLogCorruption ignores error since copy is already broken");
}
else
{
this.m_mostRecentSourceLogCorruptionGen = badGeneration;
this.DismountForSourceLogCorruption(ex);
FailureItemPublisherHelper.PublishAction(FailureTag.SourceLogCorruption, this.DatabaseGuid, this.DatabaseName, null);
}
}
}
finally
{
Monitor.Exit(this.m_sourceLogCorruptionLock);
}
}
}
protected override void TimerCallbackInternal()
{
LogTruncater.Tracer.TraceDebug <string, DateTime>((long)this.GetHashCode(), "TimerCallback: {0}: Entered at {1}", this.Configuration.Name, DateTime.UtcNow);
if (base.PrepareToStopCalled || this.m_replicaInstanceContext.Initializing || this.m_replicaInstanceContext.Resynchronizing || this.m_replicaInstanceContext.Seeding)
{
LogTruncater.Tracer.TraceDebug <string>((long)this.GetHashCode(), "TimerCallback: {0}: The instance is stopping or checking stage, abort this timercallback", this.Configuration.Name);
return;
}
if (this.Configuration.DestinationEdbPath == null)
{
LogTruncater.Tracer.TraceDebug <string>((long)this.GetHashCode(), "TimerCallback: {0}: Returns since we have no database.", this.Configuration.Name);
return;
}
LogTruncater.Tracer.TraceDebug((long)this.GetHashCode(), "TimerCallback: {0} : m_localReplayerGen = 0x{1:X}, m_localInspectorGen = 0x{2:X}, m_lowestGenRequiredGlobally = 0x{3:X}, m_genTruncatedLocally = 0x{4:X}.", new object[]
{
this.Configuration.Name,
this.m_localReplayerGen,
this.m_localInspectorGen,
this.m_lowestGenRequiredGlobally,
this.m_genTruncatedLocally
});
long num = this.CalculateGlobalTruncateInput();
if (num <= 0L)
{
LogTruncater.Tracer.TraceDebug <string>((long)this.GetHashCode(), "TimerCallback: {0}: Exiting because inspector/replayer haven't established position yet.", this.Configuration.Name);
return;
}
num = this.GetExtendedGeneration(num);
Exception arg = null;
bool flag = false;
try
{
this.LogShipCall(num, false);
long num2 = this.CalculatePassiveTruncationPoint();
LooseTruncation looseTruncation = new LooseTruncation();
if (looseTruncation.Enabled && looseTruncation.SpaceIsLow(this.m_configuration))
{
long num3 = looseTruncation.MinRequiredGen(this.FileChecker, this.Configuration);
LogTruncater.Tracer.TraceDebug <long, long>((long)this.GetHashCode(), "LooseTruncation MinRequiredGen={0} NormalLocalGen={1}", num3, num2);
if (num3 > num2)
{
ReplayCrimsonEvents.LooseTruncationOnPassiveBeingUsed.LogPeriodic <string, string, long, long>(this.Configuration.Identity, DiagCore.DefaultEventSuppressionInterval, this.Configuration.Identity, this.Configuration.DatabaseName, num2, num3);
num2 = num3;
}
}
if (num2 > this.m_genTruncatedLocally)
{
long num4 = num2;
if (this.m_configuration.TruncationLagTime != EnhancedTimeSpan.Zero)
{
if (this.m_genTruncatedLocally == 0L)
{
num4 = this.FileChecker.FileState.LowestGenerationPresent;
}
else
{
num4 = this.m_genTruncatedLocally;
}
while (num4 < num2)
{
if (base.PrepareToStopCalled)
{
throw new OperationAbortedException();
}
DateTime fileTime = this.GetFileTime(num4);
if ((DateTime)ExDateTime.UtcNow - fileTime < this.m_configuration.TruncationLagTime)
{
LogTruncater.Tracer.TraceDebug <long, DateTime, string>((long)this.GetHashCode(), "TimerCallback: {2}: Log 0x{0:X} with time '{1}' protected by TruncationLag", num4, fileTime, this.Configuration.Name);
break;
}
num4 += 1L;
}
}
if (num4 != this.m_genTruncatedLocally)
{
for (long num5 = this.FileChecker.FileState.LowestGenerationPresent; num5 < num4; num5 += 1L)
{
string text = this.Configuration.BuildFullLogfileName(num5);
Exception ex = FileCleanup.Delete(text);
if (ex != null)
{
LogTruncater.Tracer.TraceError <string, Exception>((long)this.GetHashCode(), "Truncation failed to delete {0}: {1}", text, ex);
uint hrforException = (uint)Marshal.GetHRForException(ex);
throw new FailedToTruncateLocallyException(hrforException, ex.Message, ex);
}
if (base.PrepareToStopCalled)
{
throw new OperationAbortedException();
}
}
this.m_genTruncatedLocally = num4;
this.ProbeForLowestLogPresent();
}
}
flag = true;
}
catch (OperationAbortedException arg2)
{
flag = true;
LogTruncater.Tracer.TraceDebug <OperationAbortedException>((long)this.GetHashCode(), "Stop detected: {0}", arg2);
}
catch (IOException ex2)
{
flag = true;
LogTruncater.Tracer.TraceError <string, IOException>((long)this.GetHashCode(), "TimerCallback: {0}: Got an IO exception and probably the file we are going to delete doesn't exist : {1}", this.Configuration.Name, ex2);
ReplayEventLogConstants.Tuple_LogTruncationLocalFailure.LogEvent(null, new object[]
{
this.Configuration.DisplayName,
ex2.Message
});
}
catch (FailedToOpenLogTruncContextException ex3)
{
arg = ex3;
ReplayEventLogConstants.Tuple_LogTruncationOpenFailed.LogEvent(this.Configuration.Identity, new object[]
{
this.Configuration.DisplayName,
ex3.Hresult,
ex3.Message
});
}
catch (CopyUnknownToActiveLogTruncationException ex4)
{
arg = ex4;
ReplayEventLogConstants.Tuple_LogTruncationOpenFailed.LogEvent(this.Configuration.Identity, new object[]
{
this.Configuration.DisplayName,
ex4.Hresult,
ex4.Message
});
}
catch (FailedToNotifySourceLogTruncException ex5)
{
arg = ex5;
ReplayEventLogConstants.Tuple_LogTruncationSourceFailure.LogEvent(null, new object[]
{
this.Configuration.DisplayName,
ex5.Message
});
}
catch (FailedToTruncateLocallyException ex6)
{
arg = ex6;
ReplayEventLogConstants.Tuple_LogTruncationLocalFailure.LogEvent(this.Configuration.DisplayName, new object[]
{
this.Configuration.DisplayName,
ex6.Message
});
FailureTag failureTag = FailureTag.NoOp;
uint hresult = ex6.Hresult;
if (hresult == 3355444222U)
{
failureTag = FailureTag.IoHard;
}
if (failureTag != FailureTag.NoOp)
{
FailureItemPublisherHelper.PublishAction(failureTag, this.m_configuration.IdentityGuid, this.m_configuration.DatabaseName);
}
}
finally
{
if (!flag)
{
LogTruncater.Tracer.TraceError <string, Exception>((long)this.GetHashCode(), "TimerCallback: {0}: Esebcli2 call failed, or unhandled exception occurred. Disposing m_logShipContext... Exception: {1}", this.Configuration.Name, arg);
if (this.m_logShipContext != null)
{
this.m_logShipContext.Dispose();
this.m_logShipContext = null;
}
LogTruncater.Tracer.TraceDebug <string>((long)this.GetHashCode(), "TimerCallback: {0}: m_logShipContext disposed.", this.Configuration.Name);
}
}
this.m_perfmonCounters.TruncatedGenerationNumber = this.m_genTruncatedLocally;
}
public MonitoredDatabaseInitException StartMonitoring()
{
Exception ex = null;
MonitoredDatabase.Tracer.TraceDebug <string, Guid>((long)this.GetHashCode(), "StartMonitoring: '{0}' {1}", this.DatabaseName, this.DatabaseGuid);
try
{
if (!this.m_fPassive)
{
this.SetupWatcher();
}
ExTraceGlobals.FaultInjectionTracer.TraceTest(2294689085U);
TimeSpan invokeTimeout = TimeSpan.FromSeconds((double)RegistryParameters.StartupLogScanTimeoutInSec);
InvokeWithTimeout.Invoke(delegate()
{
this.DetermineEndOfLog();
}, invokeTimeout);
if (!this.m_fPassive)
{
this.m_selfCheckEnabled = true;
}
MonitoredDatabase.Tracer.TraceDebug <string, long>((long)this.GetHashCode(), "Monitoring database {0}. EOL=0x{1:x}", this.m_config.DatabaseName, this.m_currentEndOfLog.Generation);
}
catch (TimeoutException ex2)
{
ex = ex2;
}
catch (ArgumentException ex3)
{
ex = ex3;
}
catch (IOException ex4)
{
ex = ex4;
}
catch (UnauthorizedAccessException ex5)
{
ex = ex5;
}
catch (EsentErrorException ex6)
{
ex = ex6;
}
if (ex != null)
{
string text = string.Format("0x{0:X}", ex.HResult);
MonitoredDatabase.Tracer.TraceError <string, string, Exception>((long)this.GetHashCode(), "StartMonitoring database {0} failed with HRESULT {1} exception {2}", this.m_config.DatabaseName, text, ex);
ReplayCrimsonEvents.MonitoredDBFailedToStart.LogPeriodic <Guid, string, string, string, string, string>(this.DatabaseName, DiagCore.DefaultEventSuppressionInterval, this.DatabaseGuid, this.DatabaseName, ex.Message, text, ex.ToString(), this.m_sourceDir);
if (this.IsPassiveCopy)
{
ReplayEventLogConstants.Tuple_PassiveMonitoredDBFailedToStart.LogEvent(this.Identity, new object[]
{
this.DatabaseName,
ex.ToString()
});
}
else
{
FailureTag failureTag = FailureTag.MonitoredDatabaseFailed;
IOException ex7 = ex as IOException;
if (ex7 != null && DirectoryOperations.IsPathOnLockedVolume(this.m_sourceDir))
{
failureTag = FailureTag.LockedVolume;
}
ReplayEventLogConstants.Tuple_ActiveMonitoredDBFailedToStart.LogEvent(this.Identity, new object[]
{
this.DatabaseName,
ex.ToString()
});
FailureItemPublisherHelper.PublishAction(failureTag, this.DatabaseGuid, this.DatabaseName);
}
this.StopMonitoring();
return(new MonitoredDatabaseInitException(this.DatabaseName, ex.Message, ex));
}
return(null);
}
