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/fib-enumeration-publisher-common.hpp b/tests/daemon/mgmt/fib-enumeration-publisher-common.hpp
new file mode 100644
index 0000000..6befe54
--- /dev/null
+++ b/tests/daemon/mgmt/fib-enumeration-publisher-common.hpp
@@ -0,0 +1,219 @@
+/* -*- 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_FIB_ENUMERATION_PUBLISHER_COMMON_HPP
+#define NFD_TESTS_NFD_MGMT_FIB_ENUMERATION_PUBLISHER_COMMON_HPP
+
+#include "mgmt/fib-enumeration-publisher.hpp"
+
+#include "mgmt/app-face.hpp"
+#include "mgmt/internal-face.hpp"
+#include "table/fib.hpp"
+#include "table/name-tree.hpp"
+
+#include "tests/test-common.hpp"
+#include "../face/dummy-face.hpp"
+
+#include <ndn-cpp-dev/encoding/tlv.hpp>
+
+namespace nfd {
+namespace tests {
+
+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);
+    }
+  std::stringstream error;
+  error << "Unexpected end of Block while attempting to read type #"
+        << type;
+  throw ndn::Tlv::Error(error.str());
+}
+
+class FibEnumerationPublisherFixture : public BaseFixture
+{
+public:
+
+  FibEnumerationPublisherFixture()
+    : m_fib(m_nameTree)
+    , m_face(make_shared<InternalFace>())
+    , m_publisher(m_fib, m_face, "/localhost/nfd/FibEnumerationPublisherFixture")
+    , m_finished(false)
+  {
+  }
+
+  virtual
+  ~FibEnumerationPublisherFixture()
+  {
+  }
+
+  bool
+  hasNextHopWithCost(const fib::NextHopList& nextHops,
+                     FaceId faceId,
+                     uint64_t cost)
+  {
+    for (fib::NextHopList::const_iterator i = nextHops.begin();
+         i != nextHops.end();
+         ++i)
+      {
+        if (i->getFace()->getId() == faceId && i->getCost() == cost)
+          {
+            return true;
+          }
+      }
+    return false;
+  }
+
+  bool
+  entryHasPrefix(const shared_ptr<fib::Entry> entry, const Name& prefix)
+  {
+    return entry->getPrefix() == prefix;
+  }
+
+  void
+  validateFibEntry(const Block& entry)
+  {
+    entry.parse();
+
+    Block::element_const_iterator i = entry.elements_begin();
+    BOOST_REQUIRE(i != entry.elements_end());
+
+
+    BOOST_REQUIRE(i->type() == ndn::Tlv::Name);
+    Name prefix(*i);
+    ++i;
+
+    std::set<shared_ptr<fib::Entry> >::const_iterator referenceIter =
+      std::find_if(m_referenceEntries.begin(), m_referenceEntries.end(),
+                   boost::bind(&FibEnumerationPublisherFixture::entryHasPrefix,
+                               this, _1, prefix));
+
+    BOOST_REQUIRE(referenceIter != m_referenceEntries.end());
+
+    const shared_ptr<fib::Entry>& reference = *referenceIter;
+    BOOST_REQUIRE_EQUAL(prefix, reference->getPrefix());
+
+    // 0 or more next hop records
+    size_t nRecords = 0;
+    const fib::NextHopList& referenceNextHops = reference->getNextHops();
+    for (; i != entry.elements_end(); ++i)
+      {
+        const ndn::Block& nextHopRecord = *i;
+        BOOST_REQUIRE(nextHopRecord.type() == ndn::tlv::nfd::NextHopRecord);
+        nextHopRecord.parse();
+
+        Block::element_const_iterator j = nextHopRecord.elements_begin();
+
+        FaceId faceId =
+          checkedReadNonNegativeIntegerType(j,
+                                            entry.elements_end(),
+                                            ndn::tlv::nfd::FaceId);
+
+        uint64_t cost =
+          checkedReadNonNegativeIntegerType(j,
+                                            entry.elements_end(),
+                                            ndn::tlv::nfd::Cost);
+
+        BOOST_REQUIRE(hasNextHopWithCost(referenceNextHops, faceId, cost));
+
+        BOOST_REQUIRE(j == nextHopRecord.elements_end());
+        nRecords++;
+      }
+    BOOST_REQUIRE_EQUAL(nRecords, referenceNextHops.size());
+
+    BOOST_REQUIRE(i == entry.elements_end());
+    m_referenceEntries.erase(referenceIter);
+  }
+
+  void
+  decodeFibEntryBlock(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 FIB Entry blocks 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_referenceEntries.size());
+
+    for (Block::element_const_iterator i = parser.elements_begin();
+         i != parser.elements_end();
+         ++i)
+      {
+        if (i->type() != ndn::tlv::nfd::FibEntry)
+          {
+            BOOST_FAIL("expected fib entry, got type #" << i->type());
+          }
+
+        validateFibEntry(*i);
+      }
+    m_finished = true;
+  }
+
+protected:
+  NameTree m_nameTree;
+  Fib m_fib;
+  shared_ptr<InternalFace> m_face;
+  FibEnumerationPublisher m_publisher;
+  ndn::EncodingBuffer m_buffer;
+  std::set<shared_ptr<fib::Entry> > m_referenceEntries;
+
+protected:
+  bool m_finished;
+};
+
+} // namespace tests
+} // namespace nfd
+
+#endif // NFD_TESTS_NFD_MGMT_FIB_ENUMERATION_PUBLISHER_COMMON_HPP