Separating dynamic limits into a separate forwarding strategy enhancement

Probabilistic method now treats unknown stats as 0.5
diff --git a/model/fw/dynamic-limits.h b/model/fw/dynamic-limits.h
new file mode 100644
index 0000000..d7e3d95
--- /dev/null
+++ b/model/fw/dynamic-limits.h
@@ -0,0 +1,84 @@
+/* -*-  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 NDNSIM_DYNAMIC_LIMITS_H
+#define NDNSIM_DYNAMIC_LIMITS_H
+
+#include "ns3/event-id.h"
+
+#include "fw-stats.h"
+
+namespace ns3 {
+namespace ndn {
+namespace fw {
+
+/**
+ * \ingroup ndn
+ * \brief Strategy implementing per-FIB entry limits
+ */
+class DynamicLimits :
+    public FwStats
+{
+private:
+  typedef FwStats super;
+
+public:
+  static TypeId
+  GetTypeId ();
+
+  /**
+   * @brief Default constructor
+   */
+  DynamicLimits ();
+
+  virtual void
+  OnInterest (Ptr<Face> face,
+              Ptr<const InterestHeader> header,
+              Ptr<const Packet> origPacket);
+      
+private:
+  void
+  AnnounceLimits ();
+
+  void
+  ApplyAnnouncedLimit (Ptr<Face> inFace,
+                       Ptr<const InterestHeader> header);
+
+protected:
+  // from Object
+  virtual void
+  NotifyNewAggregate (); ///< @brief Even when object is aggregated to another Object
+
+  virtual void
+  DoDispose ();
+    
+private:
+  bool m_announceLimits;
+
+  EventId m_announceEvent;
+};
+
+
+} // namespace fw
+} // namespace ndn
+} // namespace ns3
+
+#endif // NDNSIM_PER_FIB_LIMITS_H