helper: FibHelper to handle all Fib operations
diff --git a/helper/ndn-fib-helper.hpp b/helper/ndn-fib-helper.hpp
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+++ b/helper/ndn-fib-helper.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2011-2014 Regents of the University of California.
+ *
+ * This file is part of ndnSIM. See AUTHORS for complete list of ndnSIM authors and
+ * contributors.
+ *
+ * ndnSIM is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * ndnSIM 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
+ * ndnSIM, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#ifndef NDN_FIB_HELPER_H
+#define NDN_FIB_HELPER_H
+
+#include "ns3/ndnSIM/model/ndn-common.hpp"
+#include "ns3/ndnSIM/model/ndn-face.hpp"
+
+#include "ns3/node.h"
+#include "ns3/object-vector.h"
+#include "ns3/pointer.h"
+
+#include <ndn-cxx/management/nfd-control-parameters.hpp>
+
+namespace ns3 {
+namespace ndn {
+
+using ::ndn::nfd::ControlParameters;
+
+class FibHelper {
+public:
+ /**
+ * \brief Add forwarding entry to FIB
+ *
+ * \param nodeName Node name
+ * \param prefix Routing prefix
+ * \param faceId Face index
+ * \param metric Routing metric
+ */
+ static void
+ AddRoute(const std::string& nodeName, const Name& prefix, uint32_t faceId, int32_t metric);
+
+ /**
+ * \brief Add forwarding entry to FIB
+ *
+ * \param nodeName Node
+ * \param prefix Routing prefix
+ * \param faceId Face index
+ * \param metric Routing metric
+ */
+ static void
+ AddRoute(Ptr<Node> node, const Name& prefix, uint32_t faceId, int32_t metric);
+
+ /**
+ * \brief Add forwarding entry to FIB
+ *
+ * \param node Node
+ * \param prefix Routing prefix
+ * \param face Face
+ * \param metric Routing metric
+ */
+ static void
+ AddRoute(Ptr<Node> node, const Name& prefix, shared_ptr<Face> face, int32_t metric);
+
+ /**
+ * @brief Add forwarding entry to FIB (work only with point-to-point links)
+ *
+ * \param node Node
+ * \param prefix Routing prefix
+ * \param otherNode The other node, to which interests (will be used to infer face id
+ * \param metric Routing metric
+ */
+ static void
+ AddRoute(Ptr<Node> node, const Name& prefix, Ptr<Node> otherNode, int32_t metric);
+
+ /**
+ * @brief Add forwarding entry to FIB (work only with point-to-point links)
+ *
+ * \param nodeName Node name (refer to ns3::Names)
+ * \param prefix Routing prefix
+ * \param otherNode The other node name, to which interests (will be
+ * used to infer face id (refer to ns3::Names)
+ * \param metric Routing metric
+ */
+ static void
+ AddRoute(const std::string& nodeName, const Name& prefix, const std::string& otherNodeName,
+ int32_t metric);
+
+private:
+ static void
+ GenerateCommand(Interest& interest);
+
+ static void
+ AddNextHop(const ControlParameters& parameters, Ptr<Node> node);
+
+ static void
+ RemoveNextHop(const ControlParameters& parameters, Ptr<Node> node);
+};
+
+} // namespace ndn
+
+} // namespace ns3
+
+#endif // NDN_FIB_HELPER_H