void ev_FileChanged(DirectoryWatcher source, string fullpath)
{
if (!IsFileOk(fullpath))
{
return;
}
// Logger.Trace("filechnaged: {0}", fullpath);
if (File.Exists(fullpath))
{
lock (_paths) {
string f = TrimPath(fullpath);
if (_paths.Contains(f))
{
OnPathChanged(f);
}
else
{
_paths.Add(f);
OnPathAdded(f);
}
}
}
else
{
lock (_paths) {
string f = TrimPath(fullpath);
_paths.Remove(f);
OnPathRemoved(f);
}
}
}
public virtual void Dispose()
{
if (_fswatcher != null)
{
try { _fswatcher.Dispose(); } catch { }
_fswatcher = null;
}
_paths = null;
}
public void Go(List <string> paths)
{
_dir = this.Config.ScanDirectoryAbsolute;
_dir = _dir.Trim();
while (_dir.Length > 0 && _dir[_dir.Length - 1] == Path.DirectorySeparatorChar)
{
_dir = _dir.Substring(0, _dir.Length - 1);
}
_fswatcher = new DirectoryWatcher(_dir);
_fswatcher.EnableWatchingContents = true;
_fswatcher.Initialize();
_fswatcher.SubdirectoryChanged += ev_SubdirChanged;
if (paths != null)
{
// grepmatcher does this
_paths = paths;
Logger.Trace("starting initial load of {0}", this.Config.Name);
}
else
{
// pathmatcher does this
Logger.Trace("starting initial scan of {0}", this.Config.Name);
var sw = new System.Diagnostics.Stopwatch();
sw.Start();
foreach (DirectoryEntry entry in FastDirectoryScanner.RecursiveScan(_dir, skipdir => !IsFileOk(TrimPath(skipdir), true)))
{
if (entry.IsFile)
{
string tp = TrimPath(entry.FullPath);
if (IsFileOk(tp))
{
_paths.Add(tp);
}
}
}
sw.Stop();
Logger.Trace("[{0}ms] {1} paths found on initial scan of {2}", sw.ElapsedMilliseconds, _paths.Count, this.Config.Name);
}
OnPathsInited();
}
void ev_SubdirChanged(DirectoryWatcher source, string fulldirpath)
{
string dirpath = TrimPath(fulldirpath);
if (dirpath.Length > 0 && dirpath[dirpath.Length - 1] != Path.DirectorySeparatorChar)
{
dirpath += Path.DirectorySeparatorChar;
}
if (!Directory.Exists(fulldirpath))
{
// Logger.Trace("subdir removed: {0}", dirpath);
lock (_paths) {
int i = 0;
while (i < _paths.Count)
{
string f = _paths[i++];
if (f.StartsWith(dirpath))
{
_paths.RemoveAt(--i);
OnPathRemoved(f);
}
}
}
}
else
{
// Logger.Trace("subdir changed: {0}", dirpath);
HashSet <string> filesindir = new HashSet <string>(Directory.GetFiles(fulldirpath).Where(x => IsFileOk(x)).Select(x => TrimPath(x)));
lock (_paths) {
int i = 0;
while (i < _paths.Count)
{
string path = _paths[i++];
string dir = Path.GetDirectoryName(path);
if (dir.Length > 0 && dir[dir.Length - 1] != Path.DirectorySeparatorChar)
{
dir += Path.DirectorySeparatorChar;
}
if (dir == dirpath)
{
if (filesindir.Contains(path))
{
OnPathChanged(path);
}
else
{
_paths.RemoveAt(--i);
OnPathRemoved(path);
}
filesindir.Remove(path);
}
}
foreach (string f in filesindir)
{
_paths.Add(f);
OnPathAdded(f);
}
}
}
}