tests: forwarding with Link objects test suite
Fw/TestLinkForwarding is an end-to-end test suite that verifies
the proper forwarding rules for Interest with Link objects.
It replaces Fw/TestStrategy/LookupFib test suite.
refs #3893
Change-Id: I6dd3fe7988f8be6d55dd5dc589f7953c4d18f2ee
diff --git a/tests/daemon/fw/link-forwarding.t.cpp b/tests/daemon/fw/link-forwarding.t.cpp
new file mode 100644
index 0000000..864d598
--- /dev/null
+++ b/tests/daemon/fw/link-forwarding.t.cpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2017, 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 "fw/best-route-strategy2.hpp"
+
+#include "topology-tester.hpp"
+
+namespace nfd {
+namespace fw {
+namespace tests {
+
+using namespace nfd::tests;
+
+BOOST_AUTO_TEST_SUITE(Fw)
+BOOST_AUTO_TEST_SUITE(TestLinkForwarding)
+
+/**
+ * /arizona/cs/avenir
+ * |
+ * v
+ * /arizona/cs/hobo
+ * | |
+ * v v
+ * /telia/terabits /ucsd/caida/click
+ * | |
+ * v v
+ * /net/ndnsim /ucla/cs/spurs
+ * (serverP) |
+ * v
+ * /net/ndnsim
+ * (serverQ)
+ */
+class NdnsimTeliaUclaTopologyFixture : public UnitTestTimeFixture
+{
+public:
+ NdnsimTeliaUclaTopologyFixture()
+ {
+ topo.enablePcap();
+
+ nodeA = topo.addForwarder("avenir");
+ nodeH = topo.addForwarder("hobo");
+ nodeT = topo.addForwarder("terabits");
+ nodeP = topo.addForwarder("serverP");
+ nodeC = topo.addForwarder("click");
+ nodeS = topo.addForwarder("spurs");
+ nodeQ = topo.addForwarder("serverQ");
+ for (TopologyNode node : {nodeA, nodeH, nodeT, nodeP, nodeC, nodeS, nodeQ}) {
+ topo.setStrategy<BestRouteStrategy2>(node);
+ }
+
+ topo.getForwarder(nodeA).getNetworkRegionTable().insert("/arizona/cs/avenir");
+ topo.getForwarder(nodeH).getNetworkRegionTable().insert("/arizona/cs/hobo");
+ topo.getForwarder(nodeT).getNetworkRegionTable().insert("/telia/terabits/router");
+ topo.getForwarder(nodeP).getNetworkRegionTable().insert("/telia/terabits/serverP");
+ topo.getForwarder(nodeC).getNetworkRegionTable().insert("/ucsd/caida/click");
+ topo.getForwarder(nodeS).getNetworkRegionTable().insert("/ucla/cs/spurs");
+ topo.getForwarder(nodeQ).getNetworkRegionTable().insert("/ucla/cs/serverQ");
+
+ linkAH = topo.addLink("AH", time::milliseconds(10), {nodeA, nodeH});
+ linkHT = topo.addLink("HT", time::milliseconds(10), {nodeH, nodeT});
+ linkTP = topo.addLink("TP", time::milliseconds(10), {nodeT, nodeP});
+ linkHC = topo.addLink("HC", time::milliseconds(10), {nodeH, nodeC});
+ linkCS = topo.addLink("CS", time::milliseconds(10), {nodeC, nodeS});
+ linkSQ = topo.addLink("SQ", time::milliseconds(10), {nodeS, nodeQ});
+ consumerA = topo.addAppFace("avenir", nodeA);
+ producerP = topo.addAppFace("ndnsimP", nodeP, "/net/ndnsim");
+ producerQ = topo.addAppFace("ndnsimQ", nodeQ, "/net/ndnsim");
+
+ topo.addEchoProducer(producerP->getClientFace());
+ topo.addEchoProducer(producerQ->getClientFace());
+
+ topo.registerPrefix(nodeA, linkAH->getFace(nodeA), "/", 10);
+ topo.registerPrefix(nodeH, linkHT->getFace(nodeH), "/telia", 10);
+ topo.registerPrefix(nodeT, linkTP->getFace(nodeT), "/net/ndnsim", 10);
+ topo.registerPrefix(nodeH, linkHC->getFace(nodeH), "/ucla", 20);
+ topo.registerPrefix(nodeC, linkCS->getFace(nodeC), "/ucla", 10);
+ topo.registerPrefix(nodeS, linkSQ->getFace(nodeS), "/net/ndnsim", 10);
+
+ linkObject = makeLink("/net/ndnsim", {{10, "/telia/terabits"}, {20, "/ucla/cs"}});
+ }
+
+ /** \brief express an Interest with Link object from consumerA
+ */
+ void
+ consumerExpressInterest(int seq)
+ {
+ auto interest = makeInterest(Name("/net/ndnsim").appendNumber(seq));
+ interest->setLink(linkObject->wireEncode());
+ consumerA->getClientFace().expressInterest(*interest, nullptr, nullptr, nullptr);
+ }
+
+public:
+ TopologyTester topo;
+ TopologyNode nodeA, nodeH, nodeT, nodeP, nodeC, nodeS, nodeQ;
+ shared_ptr<TopologyLink> linkAH, linkHT, linkTP, linkHC, linkCS, linkSQ;
+ shared_ptr<TopologyAppLink> consumerA, producerP, producerQ;
+ shared_ptr<Link> linkObject;
+};
+
+BOOST_FIXTURE_TEST_SUITE(NdnsimTeliaUclaTopology, NdnsimTeliaUclaTopologyFixture)
+
+BOOST_AUTO_TEST_CASE(FetchTelia)
+{
+ this->consumerExpressInterest(1);
+ this->advanceClocks(time::milliseconds(11), 20);
+
+ // A forwards Interest according to default route, no change to Link and SelectedDelegation
+ BOOST_CHECK_EQUAL(linkAH->getFace(nodeA).getCounters().nOutInterests, 1);
+ const Interest& interestAH = topo.getPcap(linkAH->getFace(nodeA)).sentInterests.at(0);
+ BOOST_CHECK_EQUAL(interestAH.hasLink(), true);
+ BOOST_CHECK_EQUAL(interestAH.hasSelectedDelegation(), false);
+
+ // H prefers T, and sets SelectedDelegation
+ BOOST_CHECK_EQUAL(linkHT->getFace(nodeH).getCounters().nOutInterests, 1);
+ const Interest& interestHT = topo.getPcap(linkHT->getFace(nodeH)).sentInterests.at(0);
+ BOOST_CHECK_EQUAL(interestHT.hasLink(), true);
+ BOOST_CHECK_EQUAL(interestHT.hasSelectedDelegation(), true);
+ BOOST_CHECK_EQUAL(interestHT.getSelectedDelegation(), "/telia/terabits");
+
+ // T forwards to P, no change to Link and SelectedDelegation
+ BOOST_CHECK_EQUAL(linkTP->getFace(nodeT).getCounters().nOutInterests, 1);
+ const Interest& interestTP = topo.getPcap(linkTP->getFace(nodeT)).sentInterests.at(0);
+ BOOST_CHECK_EQUAL(interestTP.hasLink(), true);
+ BOOST_CHECK_EQUAL(interestTP.hasSelectedDelegation(), true);
+ BOOST_CHECK_EQUAL(interestTP.getSelectedDelegation(), "/telia/terabits");
+
+ // Data is served by P and reaches A
+ BOOST_CHECK_EQUAL(producerP->getForwarderFace().getCounters().nInData, 1);
+ BOOST_CHECK_EQUAL(consumerA->getForwarderFace().getCounters().nOutData, 1);
+}
+
+BOOST_AUTO_TEST_CASE(FetchUcla)
+{
+ // disconnect H-T and delete FIB entry
+ linkHT->fail();
+ topo.getForwarder(nodeH).getFib().erase("/telia");
+
+ this->consumerExpressInterest(1);
+ this->advanceClocks(time::milliseconds(11), 20);
+
+ // A forwards Interest according to default route, no change to Link and SelectedDelegation
+ BOOST_CHECK_EQUAL(linkAH->getFace(nodeA).getCounters().nOutInterests, 1);
+ const Interest& interestAH = topo.getPcap(linkAH->getFace(nodeA)).sentInterests.at(0);
+ BOOST_CHECK_EQUAL(interestAH.hasLink(), true);
+ BOOST_CHECK_EQUAL(interestAH.hasSelectedDelegation(), false);
+
+ // H forwards to C, and sets SelectedDelegation
+ BOOST_CHECK_EQUAL(linkHC->getFace(nodeH).getCounters().nOutInterests, 1);
+ const Interest& interestHC = topo.getPcap(linkHC->getFace(nodeH)).sentInterests.at(0);
+ BOOST_CHECK_EQUAL(interestHC.hasLink(), true);
+ BOOST_CHECK_EQUAL(interestHC.hasSelectedDelegation(), true);
+ BOOST_CHECK_EQUAL(interestHC.getSelectedDelegation(), "/ucla/cs");
+
+ // C forwards to S, no change to Link and SelectedDelegation
+ BOOST_CHECK_EQUAL(linkCS->getFace(nodeC).getCounters().nOutInterests, 1);
+ const Interest& interestCS = topo.getPcap(linkCS->getFace(nodeC)).sentInterests.at(0);
+ BOOST_CHECK_EQUAL(interestCS.hasLink(), true);
+ BOOST_CHECK_EQUAL(interestCS.hasSelectedDelegation(), true);
+ BOOST_CHECK_EQUAL(interestCS.getSelectedDelegation(), "/ucla/cs");
+
+ // S forwards to Q, no change to Link and SelectedDelegation
+ BOOST_CHECK_EQUAL(linkSQ->getFace(nodeS).getCounters().nOutInterests, 1);
+ const Interest& interestSQ = topo.getPcap(linkSQ->getFace(nodeS)).sentInterests.at(0);
+ BOOST_CHECK_EQUAL(interestSQ.hasLink(), true);
+ BOOST_CHECK_EQUAL(interestSQ.hasSelectedDelegation(), true);
+ BOOST_CHECK_EQUAL(interestSQ.getSelectedDelegation(), "/ucla/cs");
+
+ // Data is served by Q and reaches A
+ BOOST_CHECK_EQUAL(producerQ->getForwarderFace().getCounters().nInData, 1);
+ BOOST_CHECK_EQUAL(consumerA->getForwarderFace().getCounters().nOutData, 1);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // NdnsimTeliaUclaTopology
+
+BOOST_AUTO_TEST_SUITE_END() // TestLinkForwarding
+BOOST_AUTO_TEST_SUITE_END() // Fw
+
+} // namespace tests
+} // namespace fw
+} // namespace nfd