Klaus Schneider | 3878430 | 2019-08-31 18:26:36 -0700 | [diff] [blame^] | 1 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| 2 | /** |
| 3 | * Copyright (c) 2019 Klaus Schneider, The University of Arizona |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation; |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | * |
| 18 | * Author: Klaus Schneider <klaus@cs.arizona.edu> |
| 19 | */ |
| 20 | |
| 21 | #include "fib-nexthop.hpp" |
| 22 | |
| 23 | #include <boost/functional/hash.hpp> |
| 24 | #include <ostream> |
| 25 | |
| 26 | namespace ns3 { |
| 27 | namespace ndn { |
| 28 | |
| 29 | constexpr int NODE_ID_LIMIT = 1000; |
| 30 | |
| 31 | FibNextHop::FibNextHop(int cost, int nhId, int costDelta, NextHopType type) |
| 32 | { |
| 33 | NS_ABORT_UNLESS(cost > 0 && cost <= MAX_COST); |
| 34 | NS_ABORT_UNLESS(nhId >= 0 && nhId <= NODE_ID_LIMIT); |
| 35 | |
| 36 | this->m_nhId = nhId; |
| 37 | this->m_cost = cost; |
| 38 | this->m_type = type; |
| 39 | this->m_costDelta = costDelta; |
| 40 | } |
| 41 | |
| 42 | std::ostream& |
| 43 | operator<<(std::ostream& os, const NextHopType& type) |
| 44 | { |
| 45 | switch (type) { |
| 46 | case NextHopType::DOWNWARD: |
| 47 | return os << "DOWNWARD"; |
| 48 | case NextHopType::UPWARD: |
| 49 | return os << "UPWARD"; |
| 50 | case NextHopType::DISABLED: |
| 51 | return os << "DISABLED"; |
| 52 | } |
| 53 | return os << static_cast<int>(type); |
| 54 | } |
| 55 | |
| 56 | std::ostream& |
| 57 | operator<<(std::ostream& os, const FibNextHop& a) |
| 58 | { |
| 59 | return os << "Id: " << a.getNexthopId() << ", cost: " << a.m_cost << ", type: " << a.m_type; |
| 60 | } |
| 61 | |
| 62 | } // namespace ndn |
| 63 | } // namespace ns-3 |
| 64 | |
| 65 | namespace std { |
| 66 | |
| 67 | using ns3::ndn::FibNextHop; |
| 68 | |
| 69 | template <> |
| 70 | struct hash<FibNextHop> { |
| 71 | size_t |
| 72 | operator()(const FibNextHop& k) const |
| 73 | { |
| 74 | // Combine hash via boost library |
| 75 | std::size_t seed = 0; |
| 76 | boost::hash_combine(seed, k.getNexthopId()); |
| 77 | boost::hash_combine(seed, k.getCost()); |
| 78 | |
| 79 | return seed; |
| 80 | } |
| 81 | }; |
| 82 | |
| 83 | } |