private void ProcessInput(QueuedBlockMsg dataMsg)
{
dataMsg.GetMessageSize();
if (this.m_newestMessage != null)
{
this.m_newestMessage.NextMsg = dataMsg;
this.m_newestMessage = dataMsg;
}
else
{
this.m_newestMessage = dataMsg;
this.m_oldestMessage = dataMsg;
}
bool flag = BitMasker.IsOn((int)dataMsg.EmitContext.grbitOperationalFlags, 16);
if (PassiveBlockMode.IsDebugTraceEnabled)
{
long num = StopwatchStamp.TicksToMicroSeconds(dataMsg.ReadDurationInTics);
PassiveBlockMode.Tracer.TraceDebug((long)this.GetHashCode(), "MessageArrived({0}) Gen=0x{1:X} Sector=0x{2:X} JBits=0x{3:X} EmitSeq=0x{4:X} LogDataLen=0x{5:X} ReadUSec={6}", new object[]
{
this.DatabaseName,
dataMsg.EmitContext.lgposLogData.lGeneration,
dataMsg.EmitContext.lgposLogData.isec,
(int)dataMsg.EmitContext.grbitOperationalFlags,
dataMsg.EmitContext.qwSequenceNum,
dataMsg.LogDataLength,
num
});
}
this.Copier.PerfmonCounters.RecordGranularBytesReceived((long)dataMsg.LogDataLength, flag);
ExchangeNetworkPerfmonCounters perfCounters = this.m_netChannel.PerfCounters;
if (perfCounters != null)
{
perfCounters.RecordLogCopyThruputReceived((long)dataMsg.LogDataLength);
if (dataMsg.CompressedLogDataLength > 0)
{
perfCounters.RecordCompressedDataReceived(dataMsg.CompressedLogDataLength, dataMsg.LogDataLength, NetworkPath.ConnectionPurpose.LogCopy);
}
}
this.TriggerConsumer();
if (flag || DateTime.UtcNow >= this.m_nextPingDue)
{
uint lGeneration = (uint)dataMsg.EmitContext.lgposLogData.lGeneration;
if (flag)
{
this.Copier.TrackKnownEndOfLog((long)((ulong)lGeneration), dataMsg.EmitContext.logtimeEmit);
}
NetworkTransportException ex;
bool flag2;
this.TrySendStatusMessageToActive(flag ? PassiveStatusMsg.Flags.AckEndOfGeneration : PassiveStatusMsg.Flags.None, dataMsg.RequestAckCounter, out ex, out flag2);
if (ex != null)
{
throw ex;
}
}
}
private TimeSpan DetermineMountTimeout(AmBcsSkipFlags skipFlags)
{
int mountTimeoutInSec = RegistryParameters.MountTimeoutInSec;
if (mountTimeoutInSec == 0 || BitMasker.IsOn((int)skipFlags, 8))
{
return(InvokeWithTimeout.InfiniteTimeSpan);
}
return(TimeSpan.FromSeconds((double)mountTimeoutInSec));
}
internal static bool IsDirectoryMountPoint(string path, out Exception exception)
{
exception = null;
DirectoryInfo di = null;
exception = MountPointUtil.HandleIOExceptions(delegate
{
di = new DirectoryInfo(path);
});
if (exception != null)
{
return(false);
}
if (!di.Exists)
{
return(false);
}
if (!BitMasker.IsOn((int)di.Attributes, 1024))
{
return(false);
}
if (di.Parent == null)
{
return(false);
}
using (DirectoryEnumerator dirEnum = new DirectoryEnumerator(di.Parent, false, false))
{
NativeMethods.WIN32_FIND_DATA findData = default(NativeMethods.WIN32_FIND_DATA);
bool foundNext = false;
string dirName;
exception = MountPointUtil.HandleIOExceptions(delegate
{
foundNext = dirEnum.GetNextDirectoryExtendedInfo(di.Name, out dirName, out findData);
});
if (exception != null)
{
return(false);
}
if (!foundNext)
{
return(false);
}
if (findData.Reserved0 == 2684354563U)
{
return(true);
}
}
return(false);
}
private void ProcessReadCallback(PassiveReadRequest ioReq, int bytesAvailable, bool completionIsSynchronous, Exception readEx)
{
PassiveBlockMode.Tracer.TraceFunction <string>((long)this.GetHashCode(), "ProcessReadCallback({0}) entered", this.DatabaseName);
lock (this.m_workerLock)
{
this.DisableTimer();
Exception ex = null;
bool flag2 = false;
try
{
this.m_recursionDepth++;
DiagCore.RetailAssert(this.m_recursionDepth == 1 || completionIsSynchronous, "recursive async completion", new object[0]);
ioReq.CompletionWasProcessed = true;
if (completionIsSynchronous)
{
ioReq.CompletedSynchronously = completionIsSynchronous;
}
if (readEx != null)
{
PassiveBlockMode.Tracer.TraceError <string, Exception>((long)this.GetHashCode(), "ProcessReadCallback({0}) read failed: ex={1}", this.DatabaseName, readEx);
ex = new NetworkCommunicationException(this.Configuration.SourceMachine, readEx.Message, readEx);
}
else if (bytesAvailable == 0)
{
PassiveBlockMode.Tracer.TraceError <string>((long)this.GetHashCode(), "ProcessReadCallback({0}) active closed connection", this.DatabaseName);
ex = new NetworkEndOfDataException(this.Configuration.SourceMachine, ReplayStrings.NetworkReadEOF);
}
else if (ioReq.Channel != this.m_netChannel)
{
ex = new NetworkEndOfDataException(this.Configuration.SourceMachine, ReplayStrings.NetworkReadEOF);
flag2 = true;
ioReq.Channel.Close();
}
else if (!this.IsBlockModeActive)
{
PassiveBlockMode.Tracer.TraceError <string>((long)this.GetHashCode(), "Discarding read since BM was already terminated", this.DatabaseName);
}
else
{
QueuedBlockMsg queuedBlockMsg = this.ReadInputMessage(ioReq.Channel);
if (queuedBlockMsg != null)
{
this.ProcessInput(queuedBlockMsg);
if (BitMasker.IsOn((int)queuedBlockMsg.EmitContext.grbitOperationalFlags, 2))
{
this.HandleActiveDismount();
return;
}
if (BitMasker.IsOn((int)queuedBlockMsg.EmitContext.grbitOperationalFlags, 16))
{
this.Copier.TrackLastContactTime(queuedBlockMsg.MessageUtc);
}
}
if (this.m_recursionDepth == 1)
{
while (this.IsBlockModeActive)
{
PassiveReadRequest passiveReadRequest = this.StartRead();
if (!passiveReadRequest.CompletionWasProcessed)
{
if (!this.m_runningAcll)
{
this.ScheduleTimer();
break;
}
break;
}
}
}
else
{
PassiveBlockMode.Tracer.TraceDebug <int>((long)this.GetHashCode(), "Recursive read avoided. Depth={0}", this.m_recursionDepth);
}
}
}
catch (NetworkTransportException ex2)
{
ex = ex2;
}
catch (NetworkRemoteException ex3)
{
ex = ex3;
}
catch (GranularReplicationOverflowException ex4)
{
ex = ex4;
}
finally
{
this.m_recursionDepth--;
if (ex != null && !flag2)
{
this.Terminate();
}
PassiveBlockMode.Tracer.TraceFunction <string>((long)this.GetHashCode(), "ProcessReadCallback({0}) exits", this.DatabaseName);
}
}
}
protected override void MoveInternal(MountFlags storeMountFlags, UnmountFlags dismountFlags, DatabaseMountDialOverride mountDialoverride, AmServerName fromServer, AmServerName targetServer, bool tryOtherHealthyServers, AmBcsSkipFlags skipValidationChecks, string componentName, ref AmDbOperationDetailedStatus moveStatus)
{
AmDbNodeAttemptTable dbNodeAttemptTable = AmSystemManager.Instance.DbNodeAttemptTable;
IBestCopySelector bestCopySelector = null;
Exception ex = null;
bool flag = false;
int num = 0;
int natSkippedServersCount = 0;
if (!base.State.IsEntryExist)
{
base.DbTrace.Error("Database was never mounted. Move is applicable only if it was mounted at least once", new object[0]);
throw new AmDatabaseNeverMountedException();
}
if (base.State.IsAdminDismounted)
{
AmTrace.Diagnostic("Moving a dismounted database {0}. The database will be moved, but won't be mounted", new object[]
{
base.DatabaseName
});
}
moveStatus.InitialDbState = base.State.Copy();
AmServerName activeServer = base.State.ActiveServer;
AmAcllReturnStatus amAcllReturnStatus = null;
bool flag2 = true;
try
{
this.CheckIfMoveApplicableForDatabase(base.State.ActiveServer, fromServer, base.ActionCode);
bestCopySelector = this.ConstructBestCopySelector(tryOtherHealthyServers, skipValidationChecks, null, activeServer, targetServer, mountDialoverride, componentName);
if (base.ActionCode.IsAutomaticShutdownSwitchover)
{
base.AttemptDismount(base.State.ActiveServer, dismountFlags, true, out ex);
flag = true;
}
AmServerName amServerName = bestCopySelector.FindNextBestCopy();
while (amServerName != null)
{
num++;
if (!flag)
{
base.AttemptDismount(activeServer, dismountFlags, true, out ex);
flag = true;
}
AmMountFlags amMountFlags = AmMountFlags.None;
if (BitMasker.IsOn((int)skipValidationChecks, 4))
{
amMountFlags = AmMountFlags.MoveWithSkipHealth;
}
this.AttemptMountOnServer(amServerName, base.State.ActiveServer, storeMountFlags, amMountFlags, dismountFlags, mountDialoverride, skipValidationChecks, tryOtherHealthyServers, ref natSkippedServersCount, ref amAcllReturnStatus, out ex);
base.DbTrace.Debug("AttemptMountOnServer returned AcllStatus: {0}", new object[]
{
amAcllReturnStatus
});
moveStatus.AddSubstatus(new AmDbOperationSubStatus(amServerName, amAcllReturnStatus, ex));
if (ex == null)
{
flag2 = false;
break;
}
bestCopySelector.ErrorLogger.ReportServerFailure(amServerName, "CopyHasBeenTriedCheck", ex.Message);
if (ex is AmRoleChangedWhileOperationIsInProgressException)
{
flag2 = false;
break;
}
if (ex is AmMountTimeoutException)
{
flag2 = false;
break;
}
amServerName = bestCopySelector.FindNextBestCopy();
base.CurrentAttemptNumber++;
}
}
finally
{
moveStatus.FinalDbState = base.State.Copy();
}
if (flag2)
{
MountStatus storeDatabaseMountStatus = AmStoreHelper.GetStoreDatabaseMountStatus(base.State.ActiveServer, base.Database.Guid);
if (storeDatabaseMountStatus != base.State.MountStatus)
{
ReplayCrimsonEvents.MismatchErrorAfterMove.Log <string, Guid, AmServerName, MountStatus, MountStatus>(base.Database.Name, base.Database.Guid, base.State.ActiveServer, base.State.MountStatus, storeDatabaseMountStatus);
if (storeDatabaseMountStatus == MountStatus.Dismounted)
{
base.State.MountStatus = MountStatus.Dismounted;
base.WriteState();
}
}
}
this.CheckActionResultsAndUpdateAdProperties(activeServer, targetServer, bestCopySelector, ex, num, natSkippedServersCount);
}
public void Write(JET_EMITDATACTX emitCtx, byte[] databuf, int startOffset)
{
if (!this.m_jetConsumerInitialized)
{
throw new GranularReplicationTerminatedException("Already terminated");
}
try
{
StopwatchStamp stamp = StopwatchStamp.GetStamp();
long num = (long)emitCtx.lgposLogData.lGeneration;
int grbitOperationalFlags = (int)emitCtx.grbitOperationalFlags;
bool flag = false;
if (BitMasker.IsOn(grbitOperationalFlags, 16))
{
flag = true;
}
UnpublishedApi.JetConsumeLogData(this.m_jetConsumer, emitCtx, databuf, startOffset, (int)emitCtx.cbLogData, ShadowLogConsumeGrbit.FlushData);
if (flag)
{
GranularWriter.Tracer.TraceDebug <string, long>((long)this.GetHashCode(), "WriteGranular({0}): 0x{1:X} is complete", this.DatabaseName, num);
if (this.m_lowestClosedGeneration == 0L)
{
this.m_lowestClosedGeneration = num;
}
string text = this.FormFullGranuleName(num);
FileInfo fileInfo = new FileInfo(text);
fileInfo.LastWriteTimeUtc = emitCtx.logtimeEmit;
if (this.m_granularCompletionsDisabled)
{
string destFileName = this.FormInspectorLogfileName(num);
File.Move(text, destFileName);
this.TrackInspectorGeneration(num, emitCtx.logtimeEmit);
this.m_lowestClosedGeneration = num + 1L;
}
this.m_currentGenerationState = GranularWriter.GranularLogState.Expected;
this.m_currentGeneration = num + 1L;
}
else if (BitMasker.IsOn(grbitOperationalFlags, 8))
{
this.m_currentGenerationState = GranularWriter.GranularLogState.Open;
this.m_currentGeneration = num;
this.m_lastTimeFromServer = new DateTime?(emitCtx.logtimeEmit);
}
long elapsedTicks = stamp.ElapsedTicks;
this.m_perfmonCounters.RecordBlockModeConsumerWriteLatency(elapsedTicks);
GranularWriter.Tracer.TracePerformance((long)this.GetHashCode(), "WriteGranular({0},0x{1:X}.0x{2:X}) EmitSeq=0x{3:X} took {4} uSec", new object[]
{
this.DatabaseName,
emitCtx.lgposLogData.lGeneration,
emitCtx.lgposLogData.isec,
emitCtx.qwSequenceNum,
StopwatchStamp.TicksToMicroSeconds(elapsedTicks)
});
}
catch (EsentErrorException ex)
{
GranularWriter.Tracer.TraceError <EsentErrorException>((long)this.GetHashCode(), "JetConsumeLogData threw {0}", ex);
this.m_jetConsumerHealthy = false;
throw new GranularReplicationTerminatedException(ex.Message, ex);
}
catch (IOException ex2)
{
GranularWriter.Tracer.TraceError <IOException>((long)this.GetHashCode(), "IOException: {0}", ex2);
this.m_jetConsumerHealthy = false;
throw new GranularReplicationTerminatedException(ex2.Message, ex2);
}
}