internal void SendLog(long logGen, NetworkChannel channel, SourceDatabasePerformanceCountersInstance perfCounters)
{
ReplayStopwatch replayStopwatch = new ReplayStopwatch();
replayStopwatch.Start();
string text = this.BuildLogFileName(logGen);
Exception ex = null;
try
{
using (SafeFileHandle safeFileHandle = LogCopy.OpenLogForRead(text))
{
try
{
JET_LOGINFOMISC jet_LOGINFOMISC;
UnpublishedApi.JetGetLogFileInfo(text, out jet_LOGINFOMISC, JET_LogInfo.Misc2);
if (logGen != 0L && (long)jet_LOGINFOMISC.ulGeneration != logGen)
{
FileCheckLogfileGenerationException ex2 = new FileCheckLogfileGenerationException(text, (long)jet_LOGINFOMISC.ulGeneration, logGen);
CorruptLogDetectedException ex3 = new CorruptLogDetectedException(text, ex2.Message, ex2);
throw new FileIOonSourceException(Environment.MachineName, text, ex3.Message, ex3);
}
JET_SIGNATURE?jet_SIGNATURE = null;
lock (this.m_sigLock)
{
if (this.m_logfileSignature == null)
{
this.m_logfileSignature = new JET_SIGNATURE?(jet_LOGINFOMISC.signLog);
}
jet_SIGNATURE = this.m_logfileSignature;
}
if (!jet_LOGINFOMISC.signLog.Equals(jet_SIGNATURE))
{
FileCheckLogfileSignatureException ex4 = new FileCheckLogfileSignatureException(text, jet_LOGINFOMISC.signLog.ToString(), jet_SIGNATURE.Value.ToString());
CorruptLogDetectedException ex5 = new CorruptLogDetectedException(text, ex4.Message, ex4);
throw new FileIOonSourceException(Environment.MachineName, text, ex5.Message, ex5);
}
}
catch (EsentLogFileCorruptException ex6)
{
CorruptLogDetectedException ex7 = new CorruptLogDetectedException(text, ex6.Message, ex6);
throw new FileIOonSourceException(Environment.MachineName, text, ex7.Message, ex7);
}
EndOfLog currentEndOfLog = this.CurrentEndOfLog;
CopyLogReply copyLogReply = new CopyLogReply(channel);
copyLogReply.ThisLogGeneration = logGen;
copyLogReply.EndOfLogGeneration = currentEndOfLog.Generation;
copyLogReply.EndOfLogUtc = currentEndOfLog.Utc;
CheckSummer summer = null;
if (channel.ChecksumDataTransfer)
{
summer = new CheckSummer();
}
channel.SetupLogChecksummer(this.Config.LogFilePrefix);
channel.SendLogFileTransferReply(copyLogReply, text, safeFileHandle, perfCounters, summer);
MonitoredDatabase.Tracer.TracePerformance <long>((long)this.GetHashCode(), "CopyLogFile finished streaming after {0}ms.", replayStopwatch.ElapsedMilliseconds);
}
}
catch (IOException ex8)
{
ex = ex8;
}
catch (UnauthorizedAccessException ex9)
{
ex = ex9;
}
catch (EsentErrorException ex10)
{
ex = ex10;
}
if (ex != null)
{
ExTraceGlobals.MonitoredDatabaseTracer.TraceError <string, Exception>((long)this.GetHashCode(), "SendLog({0}) failed: {1}", text, ex);
throw new FileIOonSourceException(Environment.MachineName, text, ex.Message, ex);
}
}