#ifndef SURF_MODEL_H_
#define SURF_MODEL_H_
-#include <boost/intrusive/list.hpp>
-
#include "xbt/signal.hpp"
#include "src/surf/surf_private.h"
#include "surf/surf_routing.h"
#include "xbt/str.h"
+#include <boost/intrusive/list.hpp>
+#include <string>
+
#define NO_MAX_DURATION -1.0
/*********