private void MonitorLogFile()
{
_running = true;
if (File.Exists(_filepath))
{
FindInitialPosition();
while (!_stop)
{
using (var fs = new FileStream(_filepath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
fs.Seek(_offset, SeekOrigin.Begin);
if (fs.Length == _offset)
{
Thread.Sleep(Config.LogFileUpdateDelay());
continue;
}
using (var sr = new StreamReader(fs))
{
string line;
while (!sr.EndOfStream && (line = sr.ReadLine()) != null)
{
if (line.StartsWith("D "))
{
var next = sr.Peek();
if (!sr.EndOfStream && !(next == 'D' || next == 'W'))
{
break;
}
var logLine = new LogEntry(Settings.Name, line);
if ((!Settings.HasFilters || (Settings.StartFilters?.Any(x => logLine.LineContent.StartsWith(x)) ?? false) ||
(Settings.ContainingFilters?.Any(x => logLine.LineContent.Contains(x)) ?? false)) &&
logLine.Time >= _startingPoint)
{
//OnLogFileFound?.Invoke($"MONITOR '{Settings.Name} - Successfully queued {logLine.LineContent}");
_logs.Enqueue(logLine);
}
else
{
//OnLogLineIgnored?.Invoke($"MONITOR '{Settings.Name} - Didn't match filters {logLine.LineContent}");
}
}
else
{
//OnLogLineIgnored?.Invoke($"MONITOR '{Settings.Name} - Ignored {line}'");
}
_offset += Encoding.UTF8.GetByteCount(line + Environment.NewLine);
}
}
}
Thread.Sleep(Config.LogFileUpdateDelay());
}
}
else
{
_running = false;
FileNotFoundException exception = new FileNotFoundException("Unable to start monitoring specified logfile", _filepath);
OnLogLineError?.Invoke(exception);
}
}
public void Begin(DateTime startingPoint)
{
if (!_running)
{
_filepath = Path.Combine(Config.HearthstoneLogDirectory(), Settings.Name + ".log");
_startingPoint = startingPoint;
if (File.Exists(_filepath))
{
_stop = false;
_offset = 0;
_thread = new Thread(MonitorLogFile)
{
IsBackground = true
};
try
{
_thread.Start();
}
catch (Exception e)
{
OnLogLineError?.Invoke(e);
}
}
else
{
FileNotFoundException exception = new FileNotFoundException("Unable to start monitoring specified logfile", _filepath);
OnLogLineError?.Invoke(exception);
}
}
}
public LogFileController(IEnumerable <LogFileMonitorSettings> settings)
{
foreach (var setting in settings)
{
LogFileMonitor monitor = new LogFileMonitor(setting);
monitor.OnLogFileFound += (msg) => OnLogFileFound?.Invoke(msg);
monitor.OnLogLineIgnored += (msg) => OnLogLineIgnored?.Invoke(msg);
monitor.OnLogLineError += (ex) => OnLogLineError?.Invoke(ex);
_logFileMonitors.Add(monitor);
}
}
