src: Reorganizing source code in preparation to merge NRD code

Note that as of this commit, there are several changes in location of
compiled binaries in `build/` folder:

* `nfd` has been moved to `build/bin/nfd`
* `unit-tests` has been split into `unit-tests-core` and `unit-tests-daemon`

Change-Id: I2c830c117879edbaa5457d6423c13f0273285919
Refs: #1486
diff --git a/tests/daemon/mgmt/face-status-publisher-common.hpp b/tests/daemon/mgmt/face-status-publisher-common.hpp
new file mode 100644
index 0000000..11ed191
--- /dev/null
+++ b/tests/daemon/mgmt/face-status-publisher-common.hpp
@@ -0,0 +1,192 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014  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
+ *
+ * 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/>.
+ **/
+
+#ifndef NFD_TESTS_NFD_MGMT_FACE_STATUS_PUBLISHER_COMMON_HPP
+#define NFD_TESTS_NFD_MGMT_FACE_STATUS_PUBLISHER_COMMON_HPP
+
+#include "mgmt/face-status-publisher.hpp"
+#include "mgmt/app-face.hpp"
+#include "mgmt/internal-face.hpp"
+#include "mgmt/face-flags.hpp"
+#include "fw/forwarder.hpp"
+
+#include "tests/test-common.hpp"
+#include "tests/daemon/face/dummy-face.hpp"
+
+#include <ndn-cpp-dev/management/nfd-face-status.hpp>
+
+namespace nfd {
+namespace tests {
+
+class TestCountersFace : public DummyFace
+{
+public:
+
+  TestCountersFace()
+  {
+  }
+
+  virtual
+  ~TestCountersFace()
+  {
+  }
+
+  void
+  setCounters(FaceCounter nInInterests,
+              FaceCounter nInDatas,
+              FaceCounter nOutInterests,
+              FaceCounter nOutDatas)
+  {
+    FaceCounters& counters = getMutableCounters();
+    counters.getNInInterests()  = nInInterests;
+    counters.getNInDatas()      = nInDatas;
+    counters.getNOutInterests() = nOutInterests;
+    counters.getNOutDatas()     = nOutDatas;
+  }
+
+
+};
+
+static inline uint64_t
+readNonNegativeIntegerType(const Block& block,
+                           uint32_t type)
+{
+  if (block.type() == type)
+    {
+      return readNonNegativeInteger(block);
+    }
+  std::stringstream error;
+  error << "expected type " << type << " got " << block.type();
+  throw ndn::Tlv::Error(error.str());
+}
+
+static inline uint64_t
+checkedReadNonNegativeIntegerType(Block::element_const_iterator& i,
+                                  Block::element_const_iterator end,
+                                  uint32_t type)
+{
+  if (i != end)
+    {
+      const Block& block = *i;
+      ++i;
+      return readNonNegativeIntegerType(block, type);
+    }
+  throw ndn::Tlv::Error("Unexpected end of FaceStatus");
+}
+
+class FaceStatusPublisherFixture : public BaseFixture
+{
+public:
+
+  FaceStatusPublisherFixture()
+    : m_table(m_forwarder)
+    , m_face(make_shared<InternalFace>())
+    , m_publisher(m_table, m_face, "/localhost/nfd/FaceStatusPublisherFixture")
+    , m_finished(false)
+  {
+
+  }
+
+  virtual
+  ~FaceStatusPublisherFixture()
+  {
+
+  }
+
+  void
+  add(shared_ptr<Face> face)
+  {
+    m_table.add(face);
+  }
+
+  void
+  validateFaceStatus(const Block& statusBlock, const shared_ptr<Face>& reference)
+  {
+    ndn::nfd::FaceStatus status;
+    BOOST_REQUIRE_NO_THROW(status.wireDecode(statusBlock));
+    const FaceCounters& counters = reference->getCounters();
+
+    BOOST_CHECK_EQUAL(status.getFaceId(), reference->getId());
+    BOOST_CHECK_EQUAL(status.getRemoteUri(), reference->getRemoteUri().toString());
+    BOOST_CHECK_EQUAL(status.getLocalUri(), reference->getLocalUri().toString());
+    BOOST_CHECK_EQUAL(status.getFlags(), getFaceFlags(*reference));
+    BOOST_CHECK_EQUAL(status.getNInInterests(), counters.getNInInterests());
+    BOOST_CHECK_EQUAL(status.getNInDatas(), counters.getNInDatas());
+    BOOST_CHECK_EQUAL(status.getNOutInterests(), counters.getNOutInterests());
+    BOOST_CHECK_EQUAL(status.getNOutDatas(), counters.getNOutDatas());
+  }
+
+  void
+  decodeFaceStatusBlock(const Data& data)
+  {
+    Block payload = data.getContent();
+
+    m_buffer.appendByteArray(payload.value(), payload.value_size());
+
+    BOOST_CHECK_NO_THROW(data.getName()[-1].toSegment());
+    if (data.getFinalBlockId() != data.getName()[-1])
+      {
+        return;
+      }
+
+    // wrap the Face Statuses in a single Content TLV for easy parsing
+    m_buffer.prependVarNumber(m_buffer.size());
+    m_buffer.prependVarNumber(ndn::Tlv::Content);
+
+    ndn::Block parser(m_buffer.buf(), m_buffer.size());
+    parser.parse();
+
+    BOOST_REQUIRE_EQUAL(parser.elements_size(), m_referenceFaces.size());
+
+    std::list<shared_ptr<Face> >::const_iterator iReference = m_referenceFaces.begin();
+    for (Block::element_const_iterator i = parser.elements_begin();
+         i != parser.elements_end();
+         ++i)
+      {
+        if (i->type() != ndn::tlv::nfd::FaceStatus)
+          {
+            BOOST_FAIL("expected face status, got type #" << i->type());
+          }
+        validateFaceStatus(*i, *iReference);
+        ++iReference;
+      }
+    m_finished = true;
+  }
+
+protected:
+  Forwarder m_forwarder;
+  FaceTable m_table;
+  shared_ptr<InternalFace> m_face;
+  FaceStatusPublisher m_publisher;
+  ndn::EncodingBuffer m_buffer;
+  std::list<shared_ptr<Face> > m_referenceFaces;
+
+protected:
+  bool m_finished;
+};
+
+} // namespace tests
+} // namespace nfd
+
+#endif // NFD_TESTS_NFD_MGMT_FACE_STATUS_PUBLISHER_COMMON_HPP