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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011 UCLA
*
* 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 NDN_GLOBAL_ROUTING_HELPER_H
#define NDN_GLOBAL_ROUTING_HELPER_H
#include "ns3/ptr.h"
namespace ns3 {
class Node;
class NodeContainer;
class Channel;
namespace ndn {
/**
* @ingroup ndn-helpers
* @brief Helper for GlobalRouter interface
*/
class GlobalRoutingHelper
{
public:
/**
* @brief Install GlobalRouter interface on a node
*
* Note that GlobalRouter will also be installed on all connected nodes and channels
*
* @param node Node to install GlobalRouter interface
*/
void
Install (Ptr<Node> node);
/**
* @brief Install GlobalRouter interface on nodes
*
* Note that GlobalRouter will also be installed on all connected nodes and channels
*
* @param nodes NodeContainer to install GlobalRouter interface
*/
void
Install (const NodeContainer &nodes);
/**
* @brief Install GlobalRouter interface on all nodes
*/
void
InstallAll ();
/**
* @brief Add `prefix' as origin on `node'
* @param prefix Prefix that is originated by node, e.g., node is a producer for this prefix
* @param node Pointer to a node
*/
void
AddOrigin (const std::string &prefix, Ptr<Node> node);
/**
* @brief Add `prefix' as origin on all `nodes'
* @param prefix Prefix that is originated by nodes
* @param nodes NodeContainer
*/
void
AddOrigins (const std::string &prefix, const NodeContainer &nodes);
/**
* @brief Add `prefix' as origin on node `nodeName'
* @param prefix Prefix that is originated by node, e.g., node is a producer for this prefix
* @param nodeName Name of the node that is associated with Ptr<Node> using ns3::Names
*/
void
AddOrigin (const std::string &prefix, const std::string &nodeName);
/**
* @brief Add origin to each node based on the node's name (using Names class)
*/
void
AddOriginsForAll ();
/**
* @brief Calculate for every node shortest path trees and install routes to all prefix origins
*/
static void
CalculateRoutes ();
/**
* @brief Calculate all possible next-hop independent alternative routes
*
* Refer to the implementation for more details.
*
* Note that this method is highly experimental and should be used with caution (very time consuming).
*/
static void
CalculateAllPossibleRoutes ();
private:
void
Install (Ptr<Channel> channel);
};
} // namespace ndn
} // namespace ns3
#endif // NDN_GLOBAL_ROUTING_HELPER_H