Initial steps in stats tree building. Almost done, but something is fishy
diff --git a/utils/load-stats-face.h b/utils/load-stats-face.h
new file mode 100644
index 0000000..ad033b4
--- /dev/null
+++ b/utils/load-stats-face.h
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef LOAD_STATS_FACE_H
+#define LOAD_STATS_FACE_H
+
+#include "load-stats.h"
+
+namespace ndnSIM
+{
+
+class LoadStatsFace
+{
+public:
+ void
+ Step ();
+
+ inline LoadStats&
+ count ();
+
+ inline const LoadStats&
+ count () const;
+
+ inline LoadStats&
+ satisfied ();
+
+ inline const LoadStats&
+ satisfied () const;
+
+ inline LoadStats&
+ unsatisfied ();
+
+ inline const LoadStats&
+ unsatisfied () const;
+
+ //
+ LoadStats::stats_tuple
+ GetSatisfiedRatio () const;
+
+ LoadStats::stats_tuple
+ GetUnsatisfiedRatio () const;
+
+ LoadStatsFace &
+ operator += (const LoadStatsFace &load);
+
+private:
+ LoadStats m_count;
+ LoadStats m_satisfied;
+ LoadStats m_unsatisfied;
+
+ friend std::ostream &
+ operator << (std::ostream &os, const LoadStatsFace &stats);
+};
+
+inline LoadStats&
+LoadStatsFace::count ()
+{ return m_count; }
+
+inline const LoadStats&
+LoadStatsFace::count () const
+{ return m_count; }
+
+inline LoadStats&
+LoadStatsFace::satisfied ()
+{ return m_satisfied; }
+
+inline const LoadStats&
+LoadStatsFace::satisfied () const
+{ return m_satisfied; }
+
+inline LoadStats&
+LoadStatsFace::unsatisfied ()
+{ return m_unsatisfied; }
+
+inline const LoadStats&
+LoadStatsFace::unsatisfied () const
+{ return m_unsatisfied; }
+
+std::ostream &
+operator << (std::ostream &os, const LoadStatsFace &stats);
+
+}
+
+#endif // LOAD_STATS_FACE_H