public File(string file, TailPbl bl, int fileIndex)
{
if (string.IsNullOrEmpty(file))
{
throw new ArgumentException(@"Param cannot be empty", nameof(file));
}
_bl = bl ?? throw new ArgumentNullException(nameof(bl));
_file = file;
_fileIndex = fileIndex;
_logicalLinesHistoryQueue = new LogicalLinesHistoryQueue(Math.Max(1, Configs.ContextBefore));
_startFromNum = Configs.LinesStartNumber;
if (_file == Constants.CONSOLE_FILENAME)
{
_fileType = FileTypes.Console;
}
else if (ArchiveSupport.TryGetArchivePath(file, out var archive, out var finalFile) &&
ArchiveSupport.IsValidArchive(archive))
{
_fileType = string.IsNullOrWhiteSpace(finalFile)
? FileTypes.Archive
: FileTypes.ArchivedFile;
}
UpdateFileInfo();
ResetCounters();
}
public FilesMonitorEntry(string path, TailPbl bl)
{
if (path == Constants.CONSOLE_FILENAME)
{
FileType = FileTypes.Console;
Folder = string.Empty;
Mask = Constants.CONSOLE_FILENAME;
}
else if (ArchiveSupport.TryGetArchivePath(path, out var archive, out var file))
{
FileType = FileTypes.Archive;
Folder = archive;
Mask = file;
}
private void ShowError(string error)
{
bool showError;
lock (_errorShownLock)
{
showError = !_errorShown;
if (!_errorShown)
{
_errorShown = true;
}
}
if (showError)
{
error += $". [{FileName}]";
_bl.NewLineCallback(TailPbl.GetErrorLine(error), 0);
}
}
private static void Main(string[] args)
{
// reset colors on Ctrl+C
Console.CancelKeyPress += (s, a) => ResetConsoleColors();
NewLine();
_bl = new TailPbl(WriteLine);
try
{
_bl.ParseArgs(args);
StartUpdatingStatus();
_bl.StartProcess();
if (Configs.Follow)
{
Console.ReadLine();
}
_statusTimer.Dispose();
UpdateStatus();
}
catch (TailPHelpException)
{
WriteMessage(TailPbl.GetHelp(), Types.None);
}
catch (TailPArgsException ex)
{
WriteMessage(ex.ToString(), Types.Error);
WriteMessage(TailPbl.GetHelp(), Types.None);
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
WriteMessage(ex.ToString(), Types.Error);
}
finally
{
ResetConsoleColors();
}
}
public static void Add(string path, bool follow, TailPbl bl)
{
var entry = new FilesMonitorEntry(path, bl);
bool added;
lock (MonitorEntriesLock)
{
added = MonitorEntries.Add(entry);
}
if (added)
{
entry.Created += Created;
entry.Deleted += Deleted;
entry.Changed += Changed;
if (follow)
{
entry.BeginMonitor();
}
}
}
private void PrintLogicalLines(LogicalLinesHistoryQueue logicalLines)
{
lock (_bl.PrintLock)
{
PrintFileName();
while (logicalLines.Any())
{
var logicalLine = logicalLines.Dequeue();
if (!logicalLine.IsPrinted)
{
if (Configs.IsContextUsed &&
Math.Abs(logicalLine.LineNumber - _lastPrintedLine) > 1)
{
_bl.PrintLogicalLine(TailPbl.GetContextDelimiter(), _fileIndex);
}
_bl.PrintLogicalLine(logicalLine, _fileIndex);
_lastPrintedLine = logicalLine.LineNumber;
}
}
}
}
