public void Close()
{
StopWatch();
_cached.Clear();
MinIndex = 0;
MaxIndex = -1;
MaxIndexChanged?.Invoke();
}
public void CacheAll()
{
using (var file = new StreamReader(_filename))
{
ReadToTheEnd(file);
}
MaxIndexChanged?.Invoke();
}
public void SelectTarget(Target target)
{
if (!_config.AllTargets.Contains(target))
{
throw new ArgumentException("Config doesnt contain selected target");
}
if (target is FileTarget layoutTarget && layoutTarget.Layout is JsonLayout layout)
{
_connection = new JsonFileConnection(GetFilePath(layoutTarget), layout);
_connection.MaxIndexChanged += () => MaxIndexChanged?.Invoke();
_connection.CacheAll();
_connection.BeginWatch();
SourceConnected?.Invoke();
}
}
private void Watcher_Changed(object sender, FileSystemEventArgs e)
{
App.Current.Dispatcher.Invoke(() =>
{
var lastItem = GetRecord(MaxIndex);
if (lastItem == null)
{
return;
}
using (var file = new StreamReader(_filename))
{
file.SetPosition(lastItem.FilePosition + lastItem.StringLength);
if (ReadToTheEnd(file) > 0)
{
MaxIndexChanged?.Invoke();
}
}
});
}
