private void EnumerateFilesForDirectory(TopNList <DirectorySpaceEnumerator.DirectorySize> topDirsBySize, string dir)
{
MountPointUtil.HandleIOExceptions(delegate
{
DirectoryInfo path = new DirectoryInfo(dir);
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(path, false, false))
{
ulong num = 0UL;
string text;
NativeMethods.WIN32_FIND_DATA win32_FIND_DATA;
while (directoryEnumerator.GetNextFileExtendedInfo("*", out text, out win32_FIND_DATA))
{
ulong longFileSize = this.GetLongFileSize(win32_FIND_DATA.FileSizeLow, win32_FIND_DATA.FileSizeHigh);
num += longFileSize;
}
this.InsertIfNecessary(topDirsBySize, dir, num);
}
});
}
private IEnumerable <DirectorySpaceEnumerator.DirectorySize> GetTopNDirectories()
{
TopNList <DirectorySpaceEnumerator.DirectorySize> topDirsBySize = new TopNList <DirectorySpaceEnumerator.DirectorySize>(this.m_maxDirectories, Dependencies.Assert);
MountPointUtil.HandleIOExceptions(delegate
{
DirectoryInfo path = new DirectoryInfo(this.m_rootDirectory);
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(path, true, true))
{
Predicate <NativeMethods.WIN32_FIND_DATA> extendedFilter = (NativeMethods.WIN32_FIND_DATA findData) => (findData.FileAttributes & NativeMethods.FileAttributes.ReparsePoint) == NativeMethods.FileAttributes.None;
foreach (string dir in directoryEnumerator.EnumerateDirectories("*", extendedFilter))
{
this.EnumerateFilesForDirectory(topDirsBySize, dir);
}
this.EnumerateFilesForDirectory(topDirsBySize, this.m_rootDirectory);
}
});
return(topDirsBySize);
}
private bool InsertIfNecessary(TopNList <DirectorySpaceEnumerator.DirectorySize> topDirsBySize, string dir, ulong dirSize)
{
DirectorySpaceEnumerator.DirectorySize directorySize = new DirectorySpaceEnumerator.DirectorySize(dir, dirSize);
return(topDirsBySize.InsertIfNecessary(directorySize));
}
