public static Exception CleanupTemporaryFiles(string logFilePrefix, string destinationLogPath, out Exception exception)
{
exception = LastLogReplacer.HandleExceptions(delegate
{
string filter = LastLogReplacer.BuildLogFileSearchPattern(logFilePrefix, ".ReplacementNew");
string filter2 = LastLogReplacer.BuildLogFileSearchPattern(logFilePrefix, ".ReplacementOld");
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(new DirectoryInfo(destinationLogPath), false, false))
{
foreach (string path in directoryEnumerator.EnumerateFiles(filter, null))
{
File.Delete(path);
}
foreach (string path2 in directoryEnumerator.EnumerateFiles(filter2, null))
{
File.Delete(path2);
}
}
});
return(exception);
}
internal static bool DoesContainAnyFiles(string directory, bool recurse, out Exception exception)
{
bool foundFiles = false;
exception = MountPointUtil.HandleIOExceptions(delegate
{
DirectoryInfo path = new DirectoryInfo(directory);
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(path, recurse, false))
{
IEnumerable <string> source = directoryEnumerator.EnumerateFiles("*", DirectoryEnumerator.ExcludeHiddenAndSystemFilter);
if (source.Any <string>())
{
foundFiles = true;
}
}
});
return(foundFiles);
}
public static bool AreTemporaryFilesPresent(string logFilePrefix, string destinationLogPath, out Exception exception)
{
bool fTempFilesPresent = false;
exception = LastLogReplacer.HandleExceptions(delegate
{
string filter = LastLogReplacer.BuildLogFileSearchPattern(logFilePrefix, ".ReplacementNew");
string filter2 = LastLogReplacer.BuildLogFileSearchPattern(logFilePrefix, ".ReplacementOld");
DirectoryInfo directoryInfo = new DirectoryInfo(destinationLogPath);
if (!directoryInfo.Exists)
{
fTempFilesPresent = false;
return;
}
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(directoryInfo, false, false))
{
fTempFilesPresent = (directoryEnumerator.EnumerateFiles(filter, null).Count <string>() > 0 || directoryEnumerator.EnumerateFiles(filter2, null).Count <string>() > 0);
}
});
return(exception == null && fTempFilesPresent);
}
public static void RollbackLastLogIfNecessary(IReplayConfiguration config)
{
Exception ex = LastLogReplacer.HandleExceptions(delegate
{
int num = 0;
int num2 = 0;
string text = null;
string text2 = null;
string text3 = EseHelper.MakeLogFilePath(config, 0L, config.DestinationLogPath);
string filter = LastLogReplacer.BuildLogFileSearchPattern(config.LogFilePrefix, ".ReplacementNew");
string filter2 = LastLogReplacer.BuildLogFileSearchPattern(config.LogFilePrefix, ".ReplacementOld");
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(new DirectoryInfo(config.DestinationLogPath), false, false))
{
foreach (string text4 in directoryEnumerator.EnumerateFiles(filter, null))
{
num++;
text = text4;
}
if (num > 1)
{
throw new LastLogReplacementTooManyTempFilesException(config.DisplayName, filter, num, config.DestinationLogPath);
}
foreach (string text5 in directoryEnumerator.EnumerateFiles(filter2, null))
{
num2++;
text2 = text5;
}
if (num2 > 1)
{
throw new LastLogReplacementTooManyTempFilesException(config.DisplayName, filter2, num2, config.DestinationLogPath);
}
}
if (num == 0 && num2 == 0)
{
LastLogReplacer.Tracer.TraceDebug <string>(0L, "RollbackLastLogIfNecessary(): '{0}': Case 1: Nothing to do.", config.DisplayName);
return;
}
if (num == 1 && num2 == 0)
{
LastLogReplacer.Tracer.TraceDebug <string, string>(0L, "RollbackLastLogIfNecessary(): '{0}': Case 2: Considering to delete temp new file: {1}", config.DisplayName, text);
LastLogReplacer.DeleteTempNewFile(config, text, text3);
return;
}
if (num == 1 && num2 == 1)
{
LastLogReplacer.Tracer.TraceDebug(0L, "RollbackLastLogIfNecessary(): '{0}': Case 3: Rolling back temp file '{1}' to '{2}' and considering to delete temp new file: {3}", new object[]
{
config.DisplayName,
text2,
text3,
text
});
File.Move(text2, text3);
LastLogReplacer.DeleteTempNewFile(config, text, text3);
return;
}
if (num == 0 && num2 == 1)
{
LastLogReplacer.Tracer.TraceDebug <string, string>(0L, "RollbackLastLogIfNecessary(): '{0}': Case 4: Considering moving out temp old file '{1}' to IgnoredLogs directory.", config.DisplayName, text2);
LastLogReplacer.DeleteTempOldFile(config, text2);
return;
}
LastLogReplacer.Tracer.TraceError <string, int, int>(0L, "RollbackLastLogIfNecessary(): '{0}': Unexpected temporary files found. tempOldFileCount={1}, tempNewFileCount={2}, e00Exists=false", config.DisplayName, num2, num);
throw new LastLogReplacementUnexpectedTempFilesException(config.DisplayName, config.DestinationLogPath);
});
if (ex != null)
{
throw new LastLogReplacementRollbackFailedException(config.DisplayName, ex.Message, ex);
}
}
