Brunet.PathELManager.TimeoutCheck C# (CSharp) Method

    protected void TimeoutCheck() {
      _rrm.TimeoutChecker(null, null);

      DateTime now = DateTime.UtcNow;
      long next = _next_check;
      if(next < now.Ticks) {
        // If someone else is checking it, let's just end it here
        long current = Interlocked.Exchange(ref _next_check, now.AddMinutes(5).Ticks);
        if(next != current) {
          return;
        }
      }

      // Get the list of old edges
      DateTime remove_timeout = now.AddMinutes(-5);
      List<Edge> to_close =  new List<Edge>();
      lock(_sync) {
        foreach(Edge e in _unannounced.Keys) {
          if(e.CreatedDateTime < remove_timeout) {
            to_close.Add(e);
          }
        }
      }

      // Close the Edges
      foreach(Edge e in to_close) {
        PathEdge pe = null;
        if(!_unannounced.TryGetValue(e, out pe)) {
          continue;
        }

        try {
          pe.Close();
        } catch(Exception ex) {
          Console.WriteLine(ex);
        }
      }

      // Remove them from the _unannounced dictionary
      lock(_sync) {
        foreach(Edge e in to_close) {
          _unannounced.Remove(e);
        }
      }
    }

 public void Start()
 {
     _pem.TimeoutCheck();
 }