mgmt: Implement Query Operation in FaceManager

refs #1993

Change-Id: Ieb59bb68bfe839242d1cdd0dd7e3a079a8a0c8de
diff --git a/daemon/mgmt/face-query-status-publisher.hpp b/daemon/mgmt/face-query-status-publisher.hpp
new file mode 100644
index 0000000..237cecb
--- /dev/null
+++ b/daemon/mgmt/face-query-status-publisher.hpp
@@ -0,0 +1,64 @@
+/* -*- 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,
+ *                      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/>.
+ */
+
+#ifndef NFD_DAEMON_MGMT_QUERIED_FACE_STATUS_PUBLISHER_HPP
+#define NFD_DAEMON_MGMT_QUERIED_FACE_STATUS_PUBLISHER_HPP
+
+#include "core/segment-publisher.hpp"
+#include "mgmt/app-face.hpp"
+#include "fw/face-table.hpp"
+
+#include <ndn-cxx/management/nfd-face-query-filter.hpp>
+
+namespace nfd {
+
+class FaceQueryStatusPublisher : public SegmentPublisher<AppFace>
+{
+public:
+  FaceQueryStatusPublisher(const FaceTable& faceTable,
+                           AppFace& face,
+                           const Name& prefix,
+                           const ndn::nfd::FaceQueryFilter& filter,
+                           ndn::KeyChain& keyChain);
+
+  virtual
+  ~FaceQueryStatusPublisher();
+
+  bool
+  doesMatchFilter(const shared_ptr<Face>& face);
+
+protected:
+
+  virtual size_t
+  generate(ndn::EncodingBuffer& outBuffer);
+
+private:
+  const FaceTable& m_faceTable;
+  const ndn::nfd::FaceQueryFilter& m_faceFilter;
+};
+
+} // namespace nfd
+
+#endif // NFD_DAEMON_MGMT_QUERIED_FACE_STATUS_PUBLISHER_HPP