fw: rename BroadcastStrategy to MulticastStrategy

BroadcastStrategy is temporarily retained for backwards compatibility.

This commit also updates nfd.conf and ndn-autoconfig to use MulticastStrategy
in place of BroadcastStrategy.

refs #3011

Change-Id: I011f1cf75db26b3c93552f8322a0bba4ce8dd033
diff --git a/tests/daemon/fw/multicast-strategy.t.cpp b/tests/daemon/fw/multicast-strategy.t.cpp
new file mode 100644
index 0000000..c67c408
--- /dev/null
+++ b/tests/daemon/fw/multicast-strategy.t.cpp
@@ -0,0 +1,134 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  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/multicast-strategy.hpp"
+#include "strategy-tester.hpp"
+#include "tests/daemon/face/dummy-face.hpp"
+
+#include "tests/test-common.hpp"
+
+namespace nfd {
+namespace fw {
+namespace tests {
+
+using namespace nfd::tests;
+
+BOOST_FIXTURE_TEST_SUITE(FwMulticastStrategy, BaseFixture)
+
+BOOST_AUTO_TEST_CASE(Forward2)
+{
+  Forwarder forwarder;
+  typedef StrategyTester<fw::MulticastStrategy> MulticastStrategyTester;
+  MulticastStrategyTester strategy(forwarder);
+
+  shared_ptr<DummyFace> face1 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face2 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face3 = make_shared<DummyFace>();
+  forwarder.addFace(face1);
+  forwarder.addFace(face2);
+  forwarder.addFace(face3);
+
+  Fib& fib = forwarder.getFib();
+  shared_ptr<fib::Entry> fibEntry = fib.insert(Name()).first;
+  fibEntry->addNextHop(face1, 0);
+  fibEntry->addNextHop(face2, 0);
+  fibEntry->addNextHop(face3, 0);
+
+  shared_ptr<Interest> interest = makeInterest("ndn:/H0D6i5fc");
+  Pit& pit = forwarder.getPit();
+  shared_ptr<pit::Entry> pitEntry = pit.insert(*interest).first;
+  pitEntry->insertOrUpdateInRecord(face3, *interest);
+
+  strategy.afterReceiveInterest(*face3, *interest, fibEntry, pitEntry);
+  BOOST_CHECK_EQUAL(strategy.m_rejectPendingInterestHistory.size(), 0);
+  BOOST_CHECK_EQUAL(strategy.m_sendInterestHistory.size(), 2);
+  bool hasFace1 = false;
+  bool hasFace2 = false;
+  for (std::vector<MulticastStrategyTester::SendInterestArgs>::iterator it =
+       strategy.m_sendInterestHistory.begin();
+       it != strategy.m_sendInterestHistory.end(); ++it) {
+    if (it->get<1>() == face1) {
+      hasFace1 = true;
+    }
+    if (it->get<1>() == face2) {
+      hasFace2 = true;
+    }
+  }
+  BOOST_CHECK(hasFace1 && hasFace2);
+}
+
+BOOST_AUTO_TEST_CASE(RejectScope)
+{
+  Forwarder forwarder;
+  typedef StrategyTester<fw::MulticastStrategy> MulticastStrategyTester;
+  MulticastStrategyTester strategy(forwarder);
+
+  shared_ptr<DummyFace> face1 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face2 = make_shared<DummyFace>();
+  forwarder.addFace(face1);
+  forwarder.addFace(face2);
+
+  Fib& fib = forwarder.getFib();
+  shared_ptr<fib::Entry> fibEntry = fib.insert("ndn:/localhop/uS09bub6tm").first;
+  fibEntry->addNextHop(face2, 0);
+
+  shared_ptr<Interest> interest = makeInterest("ndn:/localhop/uS09bub6tm/eG3MMoP6z");
+  Pit& pit = forwarder.getPit();
+  shared_ptr<pit::Entry> pitEntry = pit.insert(*interest).first;
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+
+  strategy.afterReceiveInterest(*face1, *interest, fibEntry, pitEntry);
+  BOOST_CHECK_EQUAL(strategy.m_rejectPendingInterestHistory.size(), 1);
+  BOOST_CHECK_EQUAL(strategy.m_sendInterestHistory.size(), 0);
+}
+
+BOOST_AUTO_TEST_CASE(RejectLoopback)
+{
+  Forwarder forwarder;
+  typedef StrategyTester<fw::MulticastStrategy> MulticastStrategyTester;
+  MulticastStrategyTester strategy(forwarder);
+
+  shared_ptr<DummyFace> face1 = make_shared<DummyFace>();
+  forwarder.addFace(face1);
+
+  Fib& fib = forwarder.getFib();
+  shared_ptr<fib::Entry> fibEntry = fib.insert(Name()).first;
+  fibEntry->addNextHop(face1, 0);
+
+  shared_ptr<Interest> interest = makeInterest("ndn:/H0D6i5fc");
+  Pit& pit = forwarder.getPit();
+  shared_ptr<pit::Entry> pitEntry = pit.insert(*interest).first;
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+
+  strategy.afterReceiveInterest(*face1, *interest, fibEntry, pitEntry);
+  BOOST_CHECK_EQUAL(strategy.m_rejectPendingInterestHistory.size(), 1);
+  BOOST_CHECK_EQUAL(strategy.m_sendInterestHistory.size(), 0);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace fw
+} // namespace nfd