// Stop watch the current file, if any.
public void StopWatching()
{
try
{
LocalFileWatcher temp = null;
lock (_lock)
{
if (_watcher != null)
{
Log.Info("Will stop watching file: ", _filePath);
temp = _watcher;
_watcher = null;
}
}
if (temp != null)
{
temp.Stop();
Log.Info("Stopped the local watcher.");
}
}
catch (Exception ex)
{
Log.Error(ex);
throw;
//throw new FaultException<ExceptionDetail>(new ExceptionDetail(ex), "Exception stopping watching file '" + (_filePath ?? "<null>") + "' (on the server).");
}
}
// Stop watching the current file, if any, and start
// watching the specified file.
public void StartWatching2(string filePath, Guid guidForEvents)
{
using (Log.InfoCall())
{
if (string.IsNullOrEmpty(filePath))
{
throw new FaultException("The file path to watch is null or empty.");
}
else if (!filePath.EndsWith(".tx1", StringComparison.OrdinalIgnoreCase))
{
throw new FaultException("The file extension of the file to watch must be \".tx1\".");
}
else
{
try
{
lock (_lock)
{
StopWatching();
Log.Info("Will start watching file: ", filePath);
_filePath = filePath;
_watcher = new LocalFileWatcher(filePath, guidForEvents);
// When the file changes, we'll notify the client via this callback object.
_callback = OperationContext.Current.GetCallbackChannel <IFileMonitorCallback>();
(_callback as ICommunicationObject).Closing += (sender, e) => Log.Debug("Callback channel is closing.");
(_callback as ICommunicationObject).Closed += (sender, e) => Log.Debug("Callback channel is closed.");
(_callback as ICommunicationObject).Faulted += (sender, e) => Log.Debug("Callback channel is faulted.");
_watcher.Changed += _watcher_Changed;
_watcher.Renamed += _watcher_Renamed;
}
}
catch (Exception ex)
{
Log.Error(ex);
throw;
//throw new FaultException<ExceptionDetail>(new ExceptionDetail(ex), "Exception watching file '" + (filePath ?? "<null>") + "' (on the server).");
}
}
}
}
