private void SyncFileWriter()
{
while (true)
{
TextTraceMsg item = null;
try
{
object queueObject = null;
if (_messageQ.Count > 0)
{
queueObject = _messageQ.Dequeue();
}
else
{
_newMsgArrived.WaitOne();
continue;
}
item = (TextTraceMsg)queueObject;
if (item.IsFlushMsg)
{
break;
}
switch (item.Operation)
{
case FileOperation.WriteLine:
if (base.Writer == null)
{
lock (LogFileManager.SyncRoot)
{
base.Writer = LogFileManager.GetWriter(item.LogFilePath);
if (base.Writer == null)
{
base.Writer = LogFileManager.Add(item.LogFilePath, new StreamWriter(new ChoFileStreamWithBackup(FilePath,
_maxFileSize, _maxFileCount, FileMode.Append, _cyclic, _autoBackup, _allowSplitMsg)));
}
}
}
base.Writer.WriteLine(item.Msg);
base.Writer.Flush();
break;
case FileOperation.Write:
if (base.Writer == null)
{
lock (LogFileManager.SyncRoot)
{
base.Writer = LogFileManager.GetWriter(item.LogFilePath);
if (base.Writer == null)
{
base.Writer = LogFileManager.Add(item.LogFilePath, new StreamWriter(new ChoFileStreamWithBackup(FilePath,
_maxFileSize, _maxFileCount, FileMode.Append, _cyclic, _autoBackup, _allowSplitMsg)));
}
}
}
base.Writer.Write(item.Msg);
base.Writer.Flush();
break;
case FileOperation.CreateNew:
LogFileManager.Remove(item.LogFilePath);
base.Writer = LogFileManager.Add(item.LogFilePath, new StreamWriter(new ChoFileStreamWithBackup(item.LogFilePath,
_maxFileSize, _maxFileCount, FileMode.Append, _cyclic, _autoBackup, _allowSplitMsg)));
break;
case FileOperation.Rename:
base.Writer = LogFileManager.Add(item.LogFilePath, new StreamWriter(new ChoFileStreamWithBackup(item.LogFilePath, _maxFileSize, _maxFileCount, FileMode.Append, _cyclic, _autoBackup, _allowSplitMsg)));
if (File.Exists(item.PrevLogFilePath))
{
using (StreamReader reader = File.OpenText(item.PrevLogFilePath))
base.Writer.WriteLine(reader.ReadToEnd());
LogFileManager.Remove(item.PrevLogFilePath);
//File.Delete(Path.Combine(_directoryName, Path.ChangeExtension(item.PrevLogFilePath, _fileExt)));
}
break;
}
}
catch (Exception ex)
{
string errMsg;
if (item != null)
{
errMsg = String.Format("Error while writing the below message.{0}{1}{0}Exception: {2}", Environment.NewLine,
item.ToString(), ex.ToString());
}
else
{
errMsg = ex.ToString();
}
ChoApplication.WriteToEventLog(errMsg, EventLogEntryType.Error);
}
}
}
