mgmt: move management/nfd-* to mgmt/nfd/

refs #3760

Change-Id: Ib4bde3412b5c39b9f4f46113199cebe78704505e
diff --git a/src/mgmt/nfd/rib-entry.cpp b/src/mgmt/nfd/rib-entry.cpp
new file mode 100644
index 0000000..d47d316
--- /dev/null
+++ b/src/mgmt/nfd/rib-entry.cpp
@@ -0,0 +1,320 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#include "rib-entry.hpp"
+#include "encoding/tlv-nfd.hpp"
+#include "encoding/block-helpers.hpp"
+#include "util/concepts.hpp"
+
+namespace ndn {
+namespace nfd {
+
+//BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Route>));
+BOOST_CONCEPT_ASSERT((WireEncodable<Route>));
+BOOST_CONCEPT_ASSERT((WireDecodable<Route>));
+static_assert(std::is_base_of<tlv::Error, Route::Error>::value,
+              "Route::Error must inherit from tlv::Error");
+
+//BOOST_CONCEPT_ASSERT((boost::EqualityComparable<RibEntry>));
+BOOST_CONCEPT_ASSERT((WireEncodable<RibEntry>));
+BOOST_CONCEPT_ASSERT((WireDecodable<RibEntry>));
+static_assert(std::is_base_of<tlv::Error, RibEntry::Error>::value,
+              "RibEntry::Error must inherit from tlv::Error");
+
+const time::milliseconds Route::INFINITE_EXPIRATION_PERIOD(time::milliseconds::max());
+
+Route::Route()
+  : m_faceId(0)
+  , m_origin(0)
+  , m_cost(0)
+  , m_flags(ROUTE_FLAG_CHILD_INHERIT)
+  , m_expirationPeriod(INFINITE_EXPIRATION_PERIOD)
+  , m_hasInfiniteExpirationPeriod(true)
+{
+}
+
+Route::Route(const Block& block)
+{
+  wireDecode(block);
+}
+
+template<encoding::Tag TAG>
+size_t
+Route::wireEncode(EncodingImpl<TAG>& block) const
+{
+  size_t totalLength = 0;
+
+  // Absence of an ExpirationPeriod signifies non-expiration
+  if (!m_hasInfiniteExpirationPeriod) {
+    totalLength += prependNonNegativeIntegerBlock(block,
+                                                  ndn::tlv::nfd::ExpirationPeriod,
+                                                  m_expirationPeriod.count());
+  }
+
+  totalLength += prependNonNegativeIntegerBlock(block,
+                                                ndn::tlv::nfd::Flags,
+                                                m_flags);
+
+  totalLength += prependNonNegativeIntegerBlock(block,
+                                                ndn::tlv::nfd::Cost,
+                                                m_cost);
+
+  totalLength += prependNonNegativeIntegerBlock(block,
+                                                ndn::tlv::nfd::Origin,
+                                                m_origin);
+
+  totalLength += prependNonNegativeIntegerBlock(block,
+                                                ndn::tlv::nfd::FaceId,
+                                                m_faceId);
+
+  totalLength += block.prependVarNumber(totalLength);
+  totalLength += block.prependVarNumber(ndn::tlv::nfd::Route);
+
+  return totalLength;
+}
+
+template size_t
+Route::wireEncode<encoding::EncoderTag>(EncodingImpl<encoding::EncoderTag>& block) const;
+
+template size_t
+Route::wireEncode<encoding::EstimatorTag>(EncodingImpl<encoding::EstimatorTag>& block) const;
+
+const Block&
+Route::wireEncode() const
+{
+  if (m_wire.hasWire()) {
+    return m_wire;
+  }
+
+  EncodingEstimator estimator;
+  size_t estimatedSize = wireEncode(estimator);
+
+  EncodingBuffer buffer(estimatedSize, 0);
+  wireEncode(buffer);
+
+  m_wire = buffer.block();
+
+  return m_wire;
+}
+
+void
+Route::wireDecode(const Block& wire)
+{
+  m_faceId = 0;
+  m_origin = 0;
+  m_cost = 0;
+  m_flags = 0;
+  m_expirationPeriod = time::milliseconds::min();
+
+  m_wire = wire;
+
+  if (m_wire.type() != tlv::nfd::Route) {
+    std::stringstream error;
+    error << "Expected Route Block, but Block is of a different type: #"
+          << m_wire.type();
+    BOOST_THROW_EXCEPTION(Error(error.str()));
+  }
+
+  m_wire.parse();
+
+  Block::element_const_iterator val = m_wire.elements_begin();
+
+  if (val != m_wire.elements_end() && val->type() == tlv::nfd::FaceId) {
+    m_faceId = readNonNegativeInteger(*val);
+    ++val;
+  }
+  else {
+    BOOST_THROW_EXCEPTION(Error("Missing required FaceId field"));
+  }
+
+  if (val != m_wire.elements_end() && val->type() == tlv::nfd::Origin) {
+    m_origin = readNonNegativeInteger(*val);
+    ++val;
+  }
+  else {
+    BOOST_THROW_EXCEPTION(Error("Missing required Origin field"));
+  }
+
+  if (val != m_wire.elements_end() && val->type() == tlv::nfd::Cost) {
+    m_cost = readNonNegativeInteger(*val);
+    ++val;
+  }
+  else {
+    BOOST_THROW_EXCEPTION(Error("Missing required Cost field"));
+  }
+
+  if (val != m_wire.elements_end() && val->type() == tlv::nfd::Flags) {
+    m_flags = readNonNegativeInteger(*val);
+    ++val;
+  }
+  else {
+    BOOST_THROW_EXCEPTION(Error("Missing required Flags field"));
+  }
+
+  if (val != m_wire.elements_end() && val->type() == tlv::nfd::ExpirationPeriod) {
+    m_expirationPeriod = time::milliseconds(readNonNegativeInteger(*val));
+    m_hasInfiniteExpirationPeriod = false;
+  }
+  else {
+    m_expirationPeriod = INFINITE_EXPIRATION_PERIOD;
+    m_hasInfiniteExpirationPeriod = true;
+  }
+}
+
+std::ostream&
+operator<<(std::ostream& os, const Route& route)
+{
+  os << "Route("
+     << "FaceId: " << route.getFaceId() << ", "
+     << "Origin: " << route.getOrigin() << ", "
+     << "Cost: " << route.getCost() << ", "
+     << "Flags: " << route.getFlags() << ", ";
+
+  if (!route.hasInfiniteExpirationPeriod()) {
+    os << "ExpirationPeriod: " << route.getExpirationPeriod();
+  }
+  else {
+    os << "ExpirationPeriod: Infinity";
+  }
+
+  os << ")";
+
+  return os;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////
+
+
+RibEntry::RibEntry()
+{
+}
+
+RibEntry::RibEntry(const Block& block)
+{
+  wireDecode(block);
+}
+
+
+template<encoding::Tag TAG>
+size_t
+RibEntry::wireEncode(EncodingImpl<TAG>& block) const
+{
+  size_t totalLength = 0;
+
+  for (std::list<Route>::const_reverse_iterator it = m_routes.rbegin();
+       it != m_routes.rend(); ++it)
+    {
+      totalLength += it->wireEncode(block);
+    }
+
+  totalLength += m_prefix.wireEncode(block);
+
+  totalLength += block.prependVarNumber(totalLength);
+  totalLength += block.prependVarNumber(tlv::nfd::RibEntry);
+
+  return totalLength;
+}
+
+template size_t
+RibEntry::wireEncode<encoding::EncoderTag>(EncodingImpl<encoding::EncoderTag>& block) const;
+
+template size_t
+RibEntry::wireEncode<encoding::EstimatorTag>(EncodingImpl<encoding::EstimatorTag>& block) const;
+
+const Block&
+RibEntry::wireEncode() const
+{
+  if (m_wire.hasWire()) {
+    return m_wire;
+  }
+
+  EncodingEstimator estimator;
+  size_t estimatedSize = wireEncode(estimator);
+
+  EncodingBuffer buffer(estimatedSize, 0);
+  wireEncode(buffer);
+
+  m_wire = buffer.block();
+
+  return m_wire;
+}
+
+void
+RibEntry::wireDecode(const Block& wire)
+{
+  m_prefix.clear();
+  m_routes.clear();
+
+  m_wire = wire;
+
+  if (m_wire.type() != tlv::nfd::RibEntry) {
+    std::stringstream error;
+    error << "Expected RibEntry Block, but Block is of a different type: #"
+          << m_wire.type();
+    BOOST_THROW_EXCEPTION(Error(error.str()));
+  }
+
+  m_wire.parse();
+
+  Block::element_const_iterator val = m_wire.elements_begin();
+
+  if (val != m_wire.elements_end() && val->type() == tlv::Name) {
+    m_prefix.wireDecode(*val);
+    ++val;
+  }
+  else {
+    BOOST_THROW_EXCEPTION(Error("Missing required Name field"));
+  }
+
+  for (; val != m_wire.elements_end(); ++val) {
+
+    if (val->type() == tlv::nfd::Route) {
+      m_routes.push_back(Route(*val));
+    }
+    else {
+      std::stringstream error;
+      error << "Expected Route Block, but Block is of a different type: #"
+            << m_wire.type();
+      BOOST_THROW_EXCEPTION(Error(error.str()));
+    }
+  }
+}
+
+std::ostream&
+operator<<(std::ostream& os, const RibEntry& entry)
+{
+  os << "RibEntry{\n"
+     << "  Name: " << entry.getName() << "\n";
+
+  for (RibEntry::iterator it = entry.begin(); it != entry.end(); ++it) {
+    os << "  " << *it << "\n";
+  }
+
+  os << "}";
+
+  return os;
+}
+
+} // namespace nfd
+} // namespace ndn