public IList <DirectoryEntry> GetDirectoryEntries(FullPath path)
{
var list = NativeFile.GetDirectoryEntries(path.Value);
// Skip any entry that is longer than MAX_PATH.
// Fix this once we fully support the long path syntax ("\\?\" prefix)
if (list.Any(entry => PathHelpers.IsPathTooLong(path.Value, entry.Name)))
{
return(list.Where(entry => {
if (PathHelpers.IsPathTooLong(path.Value, entry.Name))
{
// Note: The condition is unsafe from a pure concurrency point of view,
// but is ok in this case because the field is incrementally increasing.
// This is just an optimization to avoid an Interlocked call.
if (_pathTooLongErrorCount <= MaxPathTooLogLogCount)
{
var logCount = Interlocked.Increment(ref _pathTooLongErrorCount);
if (logCount <= MaxPathTooLogLogCount)
{
Logger.LogInfo("Skipping directory entry because path is too long: \"{0}\"",
path.Combine(new RelativePath(entry.Name)));
}
if (logCount == MaxPathTooLogLogCount)
{
Logger.LogInfo(" (Note: No more message abount path too long will be logged, because the maximum number of occurrences has been reached)");
}
}
return false;
}
return true;
}).ToList());
}
return(list);
}
/// <summary>
/// Skip paths BCL can't process (e.g. path too long)
/// </summary>
private bool SkipPath(string path)
{
if (PathHelpers.IsPathTooLong(path))
{
Logger.LogInfo("Skipping file change event because path is too long: \"{0}\"", path);
return(true);
}
if (!PathHelpers.IsValidBclPath(path))
{
Logger.LogInfo("Skipping file change event because path is invalid: \"{0}\"", path);
return(true);
}
return(false);
}
/// <summary>
/// Skip paths BCL can't process (e.g. path too long)
/// </summary>
private bool SkipPath(string path)
{
if (PathHelpers.IsPathTooLong(path))
{
switch (_logLimiter.Proceed())
{
case BoundedOperationLimiter.Result.YesAndLast:
Logger.LogInfo("(The following log message will be the last of its kind)", path);
goto case BoundedOperationLimiter.Result.Yes;
case BoundedOperationLimiter.Result.Yes:
Logger.LogInfo("Skipping file change event because path is too long: \"{0}\"", path);
break;
case BoundedOperationLimiter.Result.NoMore:
break;
}
return(true);
}
if (!PathHelpers.IsValidBclPath(path))
{
switch (_logLimiter.Proceed())
{
case BoundedOperationLimiter.Result.YesAndLast:
Logger.LogInfo("(The following log message will be the last of its kind)", path);
goto case BoundedOperationLimiter.Result.Yes;
case BoundedOperationLimiter.Result.Yes:
Logger.LogInfo("Skipping file change event because path is invalid: \"{0}\"", path);
break;
case BoundedOperationLimiter.Result.NoMore:
break;
}
return(true);
}
return(false);
}
