private static void ProcessListFast(FSScan scan, Area area, List <FlatFSEntry> results, string rootFolder, System.Threading.CountdownEvent ce, System.Collections.Concurrent.ConcurrentBag <Entry> e2, int start, int end, Entry parentEntry = null, bool ignoreFiles = false)
{
int rflen = rootFolder.Length;
if (rootFolder[rflen - 2] == ':')
{
rflen--;
}
rflen++;
for (int i = start; i < end; i++)
{
var r = results[i];
if (r.Length == -1)
{
bool ignoreDirectory = false;
bool ignoreContents = false;
bool hide = false;
string slashedSubdirectory = r.FullName.Substring(rflen);
if (slashedSubdirectory == ".versionr/")
{
if (parentEntry == null)
{
if (r.ChildCount != 0)
{
throw new Exception();
}
continue;
}
}
CheckDirectoryIgnores(area, slashedSubdirectory, ref ignoreDirectory, ref ignoreContents, ref hide);
if (hide)
{
i += r.ChildCount;
continue;
}
var parent = new Entry(area, parentEntry, slashedSubdirectory, r.FullName, parentEntry == null ? slashedSubdirectory : r.FullName.Substring(parentEntry.FullName.Length), r.FileTime, 0, ignoreDirectory, (FileAttributes)r.Attributes);
if (parent.IsSymlink)
{
i += r.ChildCount;
continue;
}
e2.Add(parent);
if (ignoreDirectory)
{
// have to find child files and mark them specifically as ignored
int next = r.ChildCount + i + 1;
for (int x = i + 1; x < next; x++)
{
if (results[x].Length != -1)
{
var f = results[x];
string fn = f.FullName.Substring(rflen);
var ignoredFile = new Entry(area, parent, fn, f.FullName, f.FullName.Substring(parent.FullName.Length), f.FileTime, f.Length, true, (FileAttributes)f.Attributes);
e2.Add(ignoredFile);
}
else
{
x += results[x].ChildCount;
}
}
i += r.ChildCount;
}
else
{
int s = i + 1;
int e = i + 1 + r.ChildCount;
if (r.ChildCount > 16)
{
ce.AddCount();
System.Threading.Tasks.Task.Factory.StartNew(() => { ProcessListFast(scan, area, results, rootFolder, ce, e2, s, e, parent, ignoreContents); ce.Signal(); });
}
else
{
ProcessListFast(scan, area, results, rootFolder, ce, e2, s, e, parent, ignoreContents);
}
i += r.ChildCount;
}
}
else
{
if (!ignoreFiles)
{
string fn = r.FullName.Substring(rflen);
string fnI = fn.ToLowerInvariant();
bool ignored = CheckFileIgnores(area, fn, fnI, scan.FRIncludes, scan.FRIgnores, scan.ExtIncludes, scan.ExtIgnores);
e2.Add(new Entry(area, parentEntry, fn, r.FullName, parentEntry == null ? fn : r.FullName.Substring(parentEntry.FullName.Length), r.FileTime, r.Length, ignored, (FileAttributes)r.Attributes));
}
}
}
}
private static List <Entry> GetEntryList(Area area, DirectoryInfo root, DirectoryInfo adminFolder)
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Restart();
try
{
Func <string, List <FlatFSEntry> > nativeGenerator = null;
if (!Utilities.MultiArchPInvoke.IsRunningOnMono)
{
if (GetFSFast == null)
{
var asm = System.Reflection.Assembly.LoadFrom(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + "/x64/VersionrCore.Win32.dll");
GetFSFast = asm.GetType("Versionr.Win32.FileSystem").GetMethod("EnumerateFileSystem").CreateDelegate(typeof(Func <string, List <FlatFSEntry> >)) as Func <string, List <FlatFSEntry> >;
}
nativeGenerator = GetFSFast;
}
else
{
nativeGenerator = PosixFS.GetFlatEntries;
}
List <FlatFSEntry> flatEntries = null;
if (!Utilities.MultiArchPInvoke.IsRunningOnMono)
{
}
if (nativeGenerator != null)
{
string fn = root.FullName.Replace('\\', '/');
if (fn[fn.Length - 1] != '/')
{
fn += '/';
}
System.Net.Sockets.Socket socket = new System.Net.Sockets.Socket(System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
if (flatEntries == null)
{
Printer.PrintDiagnostics("#q#Using native file scanner...##");
sw.Restart();
flatEntries = nativeGenerator(fn);
if (area.GetLocalPath(fn) != "")
{
flatEntries.Insert(0, new FlatFSEntry()
{
Attributes = (int)root.Attributes, ChildCount = flatEntries.Count, Length = -1, FileTime = root.LastWriteTimeUtc.Ticks, FullName = fn
});
}
sw.Restart();
}
}
if (flatEntries != null)
{
FSScan scan = new FSScan();
scan.FRIgnores = area?.Directives?.Ignore?.RegexFilePatterns;
scan.FRIncludes = area?.Directives?.Include?.RegexFilePatterns;
scan.ExtIgnores = area?.Directives?.Ignore?.Extensions;
scan.ExtIncludes = area?.Directives?.Include?.Extensions;
List <Entry> e2 = new List <Entry>(flatEntries.Count);
System.Collections.Concurrent.ConcurrentBag <Entry> entries2 = new System.Collections.Concurrent.ConcurrentBag <Entry>();
System.Threading.CountdownEvent ce2 = new System.Threading.CountdownEvent(1);
ProcessListFast(scan, area, flatEntries, area.RootDirectory.FullName, ce2, entries2, 0, flatEntries.Count, null);
ce2.Signal();
ce2.Wait();
var ea = entries2.ToArray();
e2.Capacity = ea.Length;
e2.AddRange(ea);
return(e2);
}
}
catch (System.Exception e)
{
// try again with the slow mode
Printer.PrintDiagnostics("#q#Couldn't use fast scanners {0}##", e);
}
Printer.PrintDiagnostics("#q#Using fallback file scanner...##");
sw.Restart();
System.Collections.Concurrent.ConcurrentBag <Entry> entries = new System.Collections.Concurrent.ConcurrentBag <Entry>();
System.Threading.CountdownEvent ce = new System.Threading.CountdownEvent(1);
PopulateList(entries, ce, area, null, root, area.GetLocalPath(root.FullName), adminFolder, false);
ce.Signal();
ce.Wait();
Entry[] entryArray = entries.ToArray();
Array.Sort(entryArray, (Entry x, Entry y) => { return(string.CompareOrdinal(x.CanonicalName, y.CanonicalName)); });
return(entryArray.ToList());
}