Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 1 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
Junxiao Shi | d47cd63 | 2018-09-11 03:10:00 +0000 | [diff] [blame] | 2 | /* |
jaczhi | b065768 | 2025-01-08 23:01:45 -0800 | [diff] [blame] | 3 | * Copyright (c) 2014-2025, Regents of the University of California, |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 4 | * Arizona Board of Regents, |
| 5 | * Colorado State University, |
| 6 | * University Pierre & Marie Curie, Sorbonne University, |
| 7 | * Washington University in St. Louis, |
| 8 | * Beijing Institute of Technology, |
| 9 | * The University of Memphis. |
| 10 | * |
| 11 | * This file is part of NFD (Named Data Networking Forwarding Daemon). |
| 12 | * See AUTHORS.md for complete list of NFD authors and contributors. |
| 13 | * |
| 14 | * NFD is free software: you can redistribute it and/or modify it under the terms |
| 15 | * of the GNU General Public License as published by the Free Software Foundation, |
| 16 | * either version 3 of the License, or (at your option) any later version. |
| 17 | * |
| 18 | * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
| 19 | * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| 20 | * PURPOSE. See the GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License along with |
| 23 | * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>. |
| 24 | */ |
| 25 | |
| 26 | #include "route.hpp" |
Davide Pesavento | 20d94f6 | 2022-09-26 03:30:53 -0400 | [diff] [blame] | 27 | |
Junxiao Shi | 3f21e58 | 2017-05-29 15:26:32 +0000 | [diff] [blame] | 28 | #include <ndn-cxx/util/string-helper.hpp> |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 29 | |
Davide Pesavento | e422f9e | 2022-06-03 01:30:23 -0400 | [diff] [blame] | 30 | namespace nfd::rib { |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 31 | |
Davide Pesavento | 191a7a2 | 2023-05-17 22:40:43 -0400 | [diff] [blame] | 32 | Route::Route() = default; |
| 33 | |
Davide Pesavento | 412c982 | 2021-07-02 00:21:05 -0400 | [diff] [blame] | 34 | static time::steady_clock::time_point |
Junxiao Shi | d47cd63 | 2018-09-11 03:10:00 +0000 | [diff] [blame] | 35 | computeExpiration(const ndn::PrefixAnnouncement& ann) |
| 36 | { |
Davide Pesavento | 412c982 | 2021-07-02 00:21:05 -0400 | [diff] [blame] | 37 | auto validityEnd = time::steady_clock::duration::max(); |
Davide Pesavento | 21e24f9 | 2025-01-10 22:22:43 -0500 | [diff] [blame^] | 38 | const auto& validityPeriod = ann.getValidityPeriod(); |
| 39 | if (validityPeriod) { |
Junxiao Shi | d47cd63 | 2018-09-11 03:10:00 +0000 | [diff] [blame] | 40 | auto now = time::system_clock::now(); |
Davide Pesavento | 21e24f9 | 2025-01-10 22:22:43 -0500 | [diff] [blame^] | 41 | if (!validityPeriod->isValid(now)) { |
Davide Pesavento | 412c982 | 2021-07-02 00:21:05 -0400 | [diff] [blame] | 42 | validityEnd = time::steady_clock::duration::zero(); |
Junxiao Shi | d47cd63 | 2018-09-11 03:10:00 +0000 | [diff] [blame] | 43 | } |
| 44 | else { |
Davide Pesavento | 21e24f9 | 2025-01-10 22:22:43 -0500 | [diff] [blame^] | 45 | validityEnd = validityPeriod->getPeriod().second - now; |
Junxiao Shi | d47cd63 | 2018-09-11 03:10:00 +0000 | [diff] [blame] | 46 | } |
| 47 | } |
| 48 | return time::steady_clock::now() + |
Davide Pesavento | 412c982 | 2021-07-02 00:21:05 -0400 | [diff] [blame] | 49 | std::min(validityEnd, time::duration_cast<time::steady_clock::duration>(ann.getExpiration())); |
Junxiao Shi | d47cd63 | 2018-09-11 03:10:00 +0000 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | Route::Route(const ndn::PrefixAnnouncement& ann, uint64_t faceId) |
| 53 | : faceId(faceId) |
| 54 | , origin(ndn::nfd::ROUTE_ORIGIN_PREFIXANN) |
| 55 | , cost(PA_ROUTE_COST) |
| 56 | , flags(ndn::nfd::ROUTE_FLAG_CHILD_INHERIT) |
| 57 | , expires(computeExpiration(ann)) |
| 58 | , announcement(ann) |
| 59 | , annExpires(*expires) |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 60 | { |
Junxiao Shi | 3f21e58 | 2017-05-29 15:26:32 +0000 | [diff] [blame] | 61 | } |
| 62 | |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 63 | std::ostream& |
| 64 | operator<<(std::ostream& os, const Route& route) |
| 65 | { |
Davide Pesavento | 21e24f9 | 2025-01-10 22:22:43 -0500 | [diff] [blame^] | 66 | os << "Route{" |
| 67 | << "face: " << route.faceId |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 68 | << ", origin: " << route.origin |
| 69 | << ", cost: " << route.cost |
Junxiao Shi | 3f21e58 | 2017-05-29 15:26:32 +0000 | [diff] [blame] | 70 | << ", flags: " << ndn::AsHex{route.flags}; |
Davide Pesavento | 191a7a2 | 2023-05-17 22:40:43 -0400 | [diff] [blame] | 71 | |
Junxiao Shi | 3f21e58 | 2017-05-29 15:26:32 +0000 | [diff] [blame] | 72 | if (route.expires) { |
| 73 | os << ", expires in: " << time::duration_cast<time::milliseconds>(*route.expires - time::steady_clock::now()); |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 74 | } |
| 75 | else { |
Davide Pesavento | 21e24f9 | 2025-01-10 22:22:43 -0500 | [diff] [blame^] | 76 | os << ", expires: never"; |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 77 | } |
Davide Pesavento | 191a7a2 | 2023-05-17 22:40:43 -0400 | [diff] [blame] | 78 | |
Junxiao Shi | d47cd63 | 2018-09-11 03:10:00 +0000 | [diff] [blame] | 79 | if (route.announcement) { |
| 80 | os << ", announcement: (" << *route.announcement << ')'; |
| 81 | } |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 82 | |
Davide Pesavento | 21e24f9 | 2025-01-10 22:22:43 -0500 | [diff] [blame^] | 83 | return os << '}'; |
Vince Lehman | 76c751c | 2014-11-18 17:36:38 -0600 | [diff] [blame] | 84 | } |
| 85 | |
Davide Pesavento | e422f9e | 2022-06-03 01:30:23 -0400 | [diff] [blame] | 86 | } // namespace nfd::rib |