private DirectoryMonitor ListenToSubdirectoryChanges(string dirRoot, string dirToListenTo)
{
string str;
DirectoryMonitor monitor;
if (StringUtil.StringEndsWith(dirRoot, '\\'))
{
str = dirRoot + dirToListenTo;
}
else
{
str = dirRoot + @"\" + dirToListenTo;
}
if (this.IsBeneathAppPathInternal(str))
{
monitor = this._dirMonAppPathInternal;
dirToListenTo = str.Substring(this._appPathInternal.Length + 1);
monitor.StartMonitoringFileWithAssert(dirToListenTo, new FileChangeEventHandler(this.OnCriticaldirChange), str);
return(monitor);
}
if (Directory.Exists(str))
{
monitor = new DirectoryMonitor(str, true, 0x159);
try
{
monitor.StartMonitoringFileWithAssert(null, new FileChangeEventHandler(this.OnCriticaldirChange), str);
return(monitor);
}
catch
{
((IDisposable)monitor).Dispose();
monitor = null;
throw;
}
}
monitor = (DirectoryMonitor)this._subDirDirMons[dirRoot];
if (monitor == null)
{
monitor = new DirectoryMonitor(dirRoot, false, 0x15b);
this._subDirDirMons[dirRoot] = monitor;
}
try
{
monitor.StartMonitoringFileWithAssert(dirToListenTo, new FileChangeEventHandler(this.OnCriticaldirChange), str);
}
catch
{
((IDisposable)monitor).Dispose();
monitor = null;
throw;
}
return(monitor);
}
private DirectoryMonitor ListenToSubdirectoryChanges(string dirRoot, string dirToListenTo)
{
string str;
DirectoryMonitor monitor;
if (StringUtil.StringEndsWith(dirRoot, '\\'))
{
str = dirRoot + dirToListenTo;
}
else
{
str = dirRoot + @"\" + dirToListenTo;
}
if (this.IsBeneathAppPathInternal(str))
{
monitor = this._dirMonAppPathInternal;
dirToListenTo = str.Substring(this._appPathInternal.Length + 1);
monitor.StartMonitoringFileWithAssert(dirToListenTo, new FileChangeEventHandler(this.OnCriticaldirChange), str);
return monitor;
}
if (Directory.Exists(str))
{
monitor = new DirectoryMonitor(str, true, 0x159);
try
{
monitor.StartMonitoringFileWithAssert(null, new FileChangeEventHandler(this.OnCriticaldirChange), str);
return monitor;
}
catch
{
((IDisposable) monitor).Dispose();
monitor = null;
throw;
}
}
monitor = (DirectoryMonitor) this._subDirDirMons[dirRoot];
if (monitor == null)
{
monitor = new DirectoryMonitor(dirRoot, false, 0x15b);
this._subDirDirMons[dirRoot] = monitor;
}
try
{
monitor.StartMonitoringFileWithAssert(dirToListenTo, new FileChangeEventHandler(this.OnCriticaldirChange), str);
}
catch
{
((IDisposable) monitor).Dispose();
monitor = null;
throw;
}
return monitor;
}
internal DateTime StartMonitoringPath(string alias, FileChangeEventHandler callback, out FileAttributesData fad)
{
FileMonitor monitor = null;
DirectoryMonitor monitor2 = null;
string fullPath;
string file = null;
bool flag = false;
fad = null;
if (alias == null)
{
throw new HttpException(System.Web.SR.GetString("Invalid_file_name_for_monitoring", new object[] { string.Empty }));
}
if (this.IsFCNDisabled)
{
fullPath = GetFullPath(alias);
FindFileData data = null;
if (FindFileData.FindFile(fullPath, out data) == 0)
{
fad = data.FileAttributesData;
return(data.FileAttributesData.UtcLastWriteTime);
}
return(DateTime.MinValue);
}
using (new ApplicationImpersonationContext())
{
this._lockDispose.AcquireReaderLock();
try
{
if (this._disposed)
{
return(DateTime.MinValue);
}
monitor = (FileMonitor)this._aliases[alias];
if (monitor != null)
{
file = monitor.FileNameLong;
monitor = monitor.DirectoryMonitor.StartMonitoringFileWithAssert(file, callback, alias);
}
else
{
flag = true;
if ((alias.Length == 0) || !UrlPath.IsAbsolutePhysicalPath(alias))
{
throw new HttpException(System.Web.SR.GetString("Invalid_file_name_for_monitoring", new object[] { HttpRuntime.GetSafePath(alias) }));
}
fullPath = GetFullPath(alias);
if (this.IsBeneathAppPathInternal(fullPath))
{
monitor2 = this._dirMonAppPathInternal;
file = fullPath.Substring(this._appPathInternal.Length + 1);
monitor = monitor2.StartMonitoringFileWithAssert(file, callback, alias);
}
else
{
monitor2 = this.FindDirectoryMonitor(fullPath, false, false);
if (monitor2 != null)
{
monitor = monitor2.StartMonitoringFileWithAssert(null, callback, alias);
}
else
{
string directoryOrRootName = UrlPath.GetDirectoryOrRootName(fullPath);
file = Path.GetFileName(fullPath);
if (!string.IsNullOrEmpty(file))
{
monitor2 = this.FindDirectoryMonitor(directoryOrRootName, false, false);
if (monitor2 != null)
{
try
{
monitor = monitor2.StartMonitoringFileWithAssert(file, callback, alias);
}
catch
{
}
if (monitor != null)
{
goto Label_01C7;
}
}
}
monitor2 = this.FindDirectoryMonitor(fullPath, true, false);
if (monitor2 != null)
{
file = null;
}
else
{
if (string.IsNullOrEmpty(file))
{
throw CreateFileMonitoringException(-2147024809, alias);
}
monitor2 = this.FindDirectoryMonitor(directoryOrRootName, true, true);
}
monitor = monitor2.StartMonitoringFileWithAssert(file, callback, alias);
}
}
}
Label_01C7:
if (!monitor.IsDirectory)
{
monitor.DirectoryMonitor.GetFileAttributes(file, out fad);
}
if (flag)
{
this._aliases[alias] = monitor;
}
}
finally
{
this._lockDispose.ReleaseReaderLock();
}
if (fad != null)
{
return(fad.UtcLastWriteTime);
}
return(DateTime.MinValue);
}
}