public void update(TraceUpdateCallback a_traceUpdateCb)
{
lock (m_traceQueue)
{
while (m_traceQueue.Count > 0)
{
TracerItem item = m_traceQueue.Dequeue();
if (item == null)
{
break;
}
a_traceUpdateCb(item.m_dataTime, item.m_level, item.m_context, item.m_file, item.m_line);
}
}
}
private void _trace(ETracerLevel a_level, string a_context, string a_file, int a_line)
{
lock (m_traceQueue)
{
TracerItem item = new TracerItem();
if (item == null)
{
return;
}
item.m_dataTime = DateTime.Now;
item.m_level = a_level;
item.m_file = a_file;
item.m_line = a_line;
item.m_context = a_context;
m_traceQueue.Enqueue(item);
}
}
void _watcher_Changed(object sender, FileSystemEventArgs e)
{
if (_fs == null ||
e.ChangeType == WatcherChangeTypes.Deleted ||
e.ChangeType == WatcherChangeTypes.Created)
{
if (_reader != null)
{
_reader.Dispose();
_reader = null;
}
if (_fs != null)
{
_fs.Dispose();
_fs = null;
}
if (e.ChangeType == WatcherChangeTypes.Deleted)
{
return;
}
try
{
_fs = new FileStream(_filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_reader = new StreamReader(_fs);
}
catch (Exception ex)
{
SystemMonitor.Error(ex.Message);
_reader = null;
_fs.Dispose();
_fs = null;
return;
}
}
if (_fs == null || _fs.CanRead == false)
{
return;
}
if (_fs.Length < _lastFilePos - 10)
{// File was rewritten start from beggining.
_lastFilePos = 0;
}
_fs.Seek(_lastFilePos, SeekOrigin.Begin);
string line = _reader.ReadLine();
while (line != null)
{
TracerItem item = TracerItem.ParseFileItem(line);
if (item != null)
{
_tracer.Add(item);
}
//ParseLine(line);
line = _reader.ReadLine();
}
_lastFilePos = _fs.Position;
}
