protected virtual void OnChanged(object source, FileSystemEventArgs e)
{
try
{
if (this.includeSubdirectories && this.ShouldSkip(e.FullPath))
{
return;
}
string relativeFilePath = e.Name;
//Sometimes we receive event where e.name is null so we should just skip it
if (string.IsNullOrEmpty(relativeFilePath) || ShouldExclude(relativeFilePath) || !ShouldInclude(relativeFilePath))
{
return;
}
//The entries in _buffer should be deleted before _logfiles and added after _logfiles
switch (e.ChangeType)
{
case WatcherChangeTypes.Deleted:
if (!File.Exists(e.FullPath)) //macOS sometimes fires this event when a file is created so we need this extra check.
{
RemoveFromBuffer(relativeFilePath);
_logFiles.Remove(relativeFilePath);
BookmarkManager.RemoveBookmark(this.GetBookmarkName(e.FullPath));
}
break;
case WatcherChangeTypes.Created:
if (!_logFiles.ContainsKey(relativeFilePath))
{
_logFiles[relativeFilePath] = CreateLogSourceInfo(e.FullPath, 0);
if (this.bookmarkOnBufferFlush)
{
BookmarkManager.RegisterBookmark(this.GetBookmarkName(e.FullPath), 0, (pos) => this.SaveBookmark());
}
AddToBuffer(relativeFilePath);
}
break;
case WatcherChangeTypes.Changed:
AddToBuffer(relativeFilePath);
break;
}
_logger?.LogDebug($"ThreadId{Thread.CurrentThread.ManagedThreadId} File: {e.FullPath} ChangeType: {e.ChangeType}");
}
catch (Exception ex)
{
_logger?.LogError(ex.ToMinimized());
}
}
protected virtual void OnRenamed(object source, RenamedEventArgs e)
{
try
{
// this is for Subdirectories check only
if (this.includeSubdirectories && this.ShouldSkip(e.FullPath))
{
return;
}
//Sometimes we receive event where e.name is null so we should just skip it
if (string.IsNullOrEmpty(e.Name) || string.IsNullOrEmpty(e.OldName) ||
ShouldExclude(e.Name) || ShouldExclude(e.OldName) ||
(!ShouldInclude(e.Name) && !ShouldInclude(e.OldName)))
{
return;
}
//File name rotation
RemoveFromBuffer(e.OldName);
if (_logFiles.ContainsKey(e.OldName))
{
var newSourceInfo = CreateLogSourceInfo(e.FullPath, _logFiles[e.OldName].Position);
newSourceInfo.LineNumber = _logFiles[e.OldName].LineNumber;
_logFiles[e.Name] = newSourceInfo;
_logFiles.Remove(e.OldName);
var bookmark = BookmarkManager.GetBookmark(this.GetBookmarkName(e.OldFullPath));
if (bookmark != null)
{
BookmarkManager.RemoveBookmark(bookmark.Id);
BookmarkManager.RegisterBookmark(this.GetBookmarkName(e.FullPath), bookmark.Position, (id) => this.SaveBookmark());
}
}
else
{
var newSource = CreateLogSourceInfo(e.FullPath, 0);
_logFiles.Add(e.Name, newSource);
BookmarkManager.RegisterBookmark(this.GetBookmarkName(e.FullPath), 0, (id) => this.SaveBookmark());
}
}
catch (Exception ex)
{
_logger?.LogError(ex.ToMinimized());
}
finally
{
AddToBuffer(e.Name);
_logger?.LogInformation("File: {0} renamed to {1}", e.OldFullPath, e.FullPath);
}
}
