publisher: add LSDB dataset publishers

refs #2280

Change-Id: Ifb1920ef9b807610890b0d0a04f24141d39f011d
diff --git a/src/publisher/lsdb-status-publisher.cpp b/src/publisher/lsdb-status-publisher.cpp
new file mode 100644
index 0000000..6905df6
--- /dev/null
+++ b/src/publisher/lsdb-status-publisher.cpp
@@ -0,0 +1,70 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  The University of Memphis,
+ *                           Regents of the University of California,
+ *                           Arizona Board of Regents.
+ *
+ * This file is part of NLSR (Named-data Link State Routing).
+ * See AUTHORS.md for complete list of NLSR authors and contributors.
+ *
+ * NLSR 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.
+ *
+ * NLSR 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
+ * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#include "lsdb-status-publisher.hpp"
+
+#include "lsa.hpp"
+#include "tlv/lsdb-status.hpp"
+
+#include <ndn-cxx/face.hpp>
+
+namespace nlsr {
+
+const ndn::Name::Component LsdbStatusPublisher::DATASET_COMPONENT = ndn::Name::Component("list");
+
+LsdbStatusPublisher::LsdbStatusPublisher(Lsdb& lsdb,
+                                         ndn::Face& face,
+                                         const ndn::Name& prefix,
+                                         ndn::KeyChain& keyChain,
+                                         AdjacencyLsaPublisher& adjacencyLsaPublisher,
+                                         CoordinateLsaPublisher& coordinateLsaPublisher,
+                                         NameLsaPublisher& nameLsaPublisher)
+  : SegmentPublisher<ndn::Face>(face, ndn::Name(prefix).append(DATASET_COMPONENT), keyChain)
+  , m_adjacencyLsaPublisher(adjacencyLsaPublisher)
+  , m_coordinateLsaPublisher(coordinateLsaPublisher)
+  , m_nameLsaPublisher(nameLsaPublisher)
+{
+}
+
+size_t
+LsdbStatusPublisher::generate(ndn::EncodingBuffer& outBuffer)
+{
+  size_t totalLength = 0;
+
+  tlv::LsdbStatus lsdbStatus;
+  for (const tlv::AdjacencyLsa& tlvLsa : m_adjacencyLsaPublisher.getTlvLsas()) {
+    lsdbStatus.addAdjacencyLsa(tlvLsa);
+  }
+
+  for (const tlv::CoordinateLsa& tlvLsa : m_coordinateLsaPublisher.getTlvLsas()) {
+    lsdbStatus.addCoordinateLsa(tlvLsa);
+  }
+
+  for (const tlv::NameLsa& tlvLsa : m_nameLsaPublisher.getTlvLsas()) {
+    lsdbStatus.addNameLsa(tlvLsa);
+  }
+
+  totalLength += lsdbStatus.wireEncode(outBuffer);
+
+  return totalLength;
+}
+
+} // namespace nlsr