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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2014-2022, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
* Washington University in St. Louis,
* Beijing Institute of Technology,
* The University of Memphis.
*
* This file is part of NFD (Named Data Networking Forwarding Daemon).
* See AUTHORS.md for complete list of NFD authors and contributors.
*
* NFD 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.
*
* NFD 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
* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
*/
#include "rib/rib.hpp"
#include "tests/test-common.hpp"
#include "fib-updates-common.hpp"
namespace nfd::tests {
BOOST_FIXTURE_TEST_SUITE(TestFibUpdates, FibUpdatesFixture)
BOOST_AUTO_TEST_SUITE(UpdateFace)
BOOST_AUTO_TEST_CASE(TurnOffChildInheritLowerCost)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 2, 0, 10, 0);
insertRoute("/", 1, 128, 25, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
// Clear updates generated from previous insertions
clearFibUpdates();
// Should generate 2 updates: 1 to update the cost of / face 1 to 50 and
// 1 to update the cost of /a face 1 to 50
insertRoute("/", 1, 128, 75, 0);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 2);
FibUpdater::FibUpdateList::const_iterator update = updates.begin();
BOOST_CHECK_EQUAL(update->name, "/");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->cost, 50);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
++update;
BOOST_CHECK_EQUAL(update->name, "/a");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->cost, 50);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
}
BOOST_AUTO_TEST_CASE(UpdateOnLowerCostOnly)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 2, 0, 10, 0);
insertRoute("/", 1, 128, 100, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
// Clear updates generated from previous insertions
clearFibUpdates();
// Should generate 0 updates
insertRoute("/", 1, 128, 75, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 0);
// Clear updates generated from previous insertions
clearFibUpdates();
// Should generate 2 updates
insertRoute("/", 1, 128, 25, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 2);
FibUpdater::FibUpdateList::const_iterator update = updates.begin();
BOOST_CHECK_EQUAL(update->name, "/");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->cost, 25);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
++update;
BOOST_CHECK_EQUAL(update->name, "/a");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->cost, 25);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
}
BOOST_AUTO_TEST_CASE(NoChangeInCost)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 2, 0, 100, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a/b", 3, 0, 10, 0);
insertRoute("/a/c", 4, 0, 10, ndn::nfd::ROUTE_FLAG_CAPTURE);
// Clear updates generated from previous insertions
clearFibUpdates();
// Should generate 0 updates
insertRoute("/a", 2, 0, 100, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 0);
}
BOOST_AUTO_TEST_CASE(ChangeCost)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 2, 0, 100, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a/b", 3, 0, 10, 0);
insertRoute("/a/c", 4, 0, 10, ndn::nfd::ROUTE_FLAG_CAPTURE);
// Clear updates generated from previous insertions
clearFibUpdates();
// Should generate 2 updates: 1 to add face2 with new cost to /a and
// 1 to add face2 with new cost to /a/b
insertRoute("/a", 2, 0, 300, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 2);
FibUpdater::FibUpdateList::const_iterator update = updates.begin();
BOOST_CHECK_EQUAL(update->name, "/a");
BOOST_CHECK_EQUAL(update->faceId, 2);
BOOST_CHECK_EQUAL(update->cost, 300);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
++update;
BOOST_CHECK_EQUAL(update->name, "/a/b");
BOOST_CHECK_EQUAL(update->faceId, 2);
BOOST_CHECK_EQUAL(update->cost, 300);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
}
BOOST_AUTO_TEST_CASE(TurnOnChildInherit)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 2, 0, 10, 0);
insertRoute("/a/b", 3, 0, 10, 0);
insertRoute("/a/c", 4, 0, 10, ndn::nfd::ROUTE_FLAG_CAPTURE);
// Clear updates generated from previous insertions
clearFibUpdates();
// Turn on child inherit flag for the entry in /a
// Should generate 1 updates: 1 to add face to /a/b
insertRoute("/a", 2, 0, 10, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 1);
FibUpdater::FibUpdateList::const_iterator update = updates.begin();
BOOST_CHECK_EQUAL(update->name, "/a/b");
BOOST_CHECK_EQUAL(update->faceId, 2);
BOOST_CHECK_EQUAL(update->cost, 10);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
}
BOOST_AUTO_TEST_CASE(TurnOffChildInherit)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 1, 0, 100, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a/b", 2, 0, 10, 0);
insertRoute("/a/c", 1, 0, 25, 0);
// Clear updates generated from previous insertions
clearFibUpdates();
// Turn off child inherit flag for the entry in /a
// Should generate 1 update: 1 to add face1 to /a/b
insertRoute("/a", 1, 0, 100, 0);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 1);
FibUpdater::FibUpdateList::const_iterator update = updates.begin();
BOOST_CHECK_EQUAL(update->name, "/a/b");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->cost, 50);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
}
BOOST_AUTO_TEST_CASE(TurnOnCapture)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 2, 0, 10, 0);
insertRoute("/a/b", 3, 0, 10, 0);
insertRoute("/a/c", 1, 0, 10, 0);
// Clear updates generated from previous insertions
clearFibUpdates();
// Turn on capture flag for the entry in /a
// Should generate 2 updates: 1 to remove face1 from /a and
// 1 to remove face1 from /a/b
insertRoute("/a", 2, 0, 10, ndn::nfd::ROUTE_FLAG_CAPTURE);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 2);
FibUpdater::FibUpdateList::const_iterator update = updates.begin();
BOOST_CHECK_EQUAL(update->name, "/a");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->action, FibUpdate::REMOVE_NEXTHOP);
++update;
BOOST_CHECK_EQUAL(update->name, "/a/b");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->action, FibUpdate::REMOVE_NEXTHOP);
}
BOOST_AUTO_TEST_CASE(TurnOffCapture)
{
insertRoute("/", 1, 0, 50, ndn::nfd::ROUTE_FLAG_CHILD_INHERIT);
insertRoute("/a", 2, 0, 10, ndn::nfd::ROUTE_FLAG_CAPTURE);
insertRoute("/a/b", 3, 0, 10, 0);
insertRoute("/a/c", 1, 0, 10, 0);
// Clear updates generated from previous insertions
clearFibUpdates();
// Turn off capture flag for the entry in /a
// Should generate 2 updates: 1 to add face1 to /a and
// 1 to add face1 to /a/b
insertRoute("/a", 2, 0, 10, 0);
FibUpdater::FibUpdateList updates = getSortedFibUpdates();
BOOST_REQUIRE_EQUAL(updates.size(), 2);
FibUpdater::FibUpdateList::const_iterator update = updates.begin();
BOOST_CHECK_EQUAL(update->name, "/a");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->cost, 50);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
++update;
BOOST_CHECK_EQUAL(update->name, "/a/b");
BOOST_CHECK_EQUAL(update->faceId, 1);
BOOST_CHECK_EQUAL(update->cost, 50);
BOOST_CHECK_EQUAL(update->action, FibUpdate::ADD_NEXTHOP);
}
BOOST_AUTO_TEST_SUITE_END() // UpdateFace
BOOST_AUTO_TEST_SUITE_END() // FibUpdates
} // namespace nfd::tests