ns-3 print routing tables

src/routing/global-routing/model/ipv4-global-routing.h

 // -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*-
 //
 // Copyright (c) 2008 University of Washington
 //
 // 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
@@ skipping 74 matching lines @@
   virtual Ptr<Ipv4Route> RouteOutput (Ptr<Packet> p, const Ipv4Header &header, Ptr<NetDevice> oif, Socket::SocketErrno &sockerr);
 
   virtual bool RouteInput  (Ptr<const Packet> p, const Ipv4Header &header, Ptr<const NetDevice> idev,
                              UnicastForwardCallback ucb, MulticastForwardCallback mcb,
                              LocalDeliverCallback lcb, ErrorCallback ecb);
   virtual void NotifyInterfaceUp (uint32_t interface);
   virtual void NotifyInterfaceDown (uint32_t interface);
   virtual void NotifyAddAddress (uint32_t interface, Ipv4InterfaceAddress address);
   virtual void NotifyRemoveAddress (uint32_t interface, Ipv4InterfaceAddress address);
   virtual void SetIpv4 (Ptr<Ipv4> ipv4);
+  virtual void PrintRoutingTable (Ptr<OutputStreamWrapper> stream) const;
 
 /**
  * \brief Add a host route to the global routing table.
  *
  * \param dest The Ipv4Address destination for this route.
  * \param nextHop The Ipv4Address of the next hop in the route.
  * \param interface The network interface index used to send packets to the
  * destination.
  *
  * \see Ipv4Address
@@ skipping 56 matching lines @@
                              Ipv4Mask networkMask,
                              Ipv4Address nextHop,
                              uint32_t interface);
 
 /**
  * \brief Get the number of individual unicast routes that have been added
  * to the routing table.
  *
  * \warning The default route counts as one of the routes.
  */
-  uint32_t GetNRoutes (void);
+  uint32_t GetNRoutes (void) const;
 
 /**
  * \brief Get a route from the global unicast routing table.
  *
  * Externally, the unicast global routing table appears simply as a table with
  * n entries.  The one subtlety of note is that if a default route has been set
  * it will appear as the zeroth entry in the table.  This means that if you
  * add only a default route, the table will have one entry that can be accessed
  * either by explicitly calling GetDefaultRoute () or by calling GetRoute (0).
  *·
  * Similarly, if the default route has been set, calling RemoveRoute (0) will
  * remove the default route.
  *
  * \param i The index (into the routing table) of the route to retrieve.  If
  * the default route has been set, it will occupy index zero.
  * \return If route is set, a pointer to that Ipv4RoutingTableEntry is returned, otherwise
  * a zero pointer is returned.
  *
  * \see Ipv4RoutingTableEntry
  * \see Ipv4GlobalRouting::RemoveRoute
  */
-  Ipv4RoutingTableEntry *GetRoute (uint32_t i);
+  Ipv4RoutingTableEntry *GetRoute (uint32_t i) const;
 
 /**
  * \brief Remove a route from the global unicast routing table.
  *
  * Externally, the unicast global routing table appears simply as a table with
  * n entries.  The one subtlety of note is that if a default route has been set
  * it will appear as the zeroth entry in the table.  This means that if the
  * default route has been set, calling RemoveRoute (0) will remove the
  * default route.
  *
@@ skipping 32 matching lines @@
   HostRoutes m_hostRoutes;
   NetworkRoutes m_networkRoutes;
   ASExternalRoutes m_ASexternalRoutes; // External routes imported
 ··
   Ptr<Ipv4> m_ipv4;
 };
 
 } // Namespace ns3
 
 #endif /* IPV4_GLOBAL_ROUTING_H */