util: Create Face with canonical FaceUri

refs: #1911

Change-Id: I13cc6522b5456d91a793365e33b2e53f9bd13e46
diff --git a/src/utility/face-controller.hpp b/src/utility/face-controller.hpp
new file mode 100644
index 0000000..3c42afe
--- /dev/null
+++ b/src/utility/face-controller.hpp
@@ -0,0 +1,77 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014  University of Memphis,
+ *                     Regents of the University of California
+ *
+ * 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/>.
+ *
+ **/
+
+#ifndef NLSR_UTIL_FACE_CONTROLLER_HPP
+#define NLSR_UTIL_FACE_CONTROLLER_HPP
+
+#include <ndn-cxx/util/face-uri.hpp>
+#include <ndn-cxx/management/nfd-controller.hpp>
+
+namespace nlsr {
+namespace util {
+
+class FaceController : boost::noncopyable
+{
+public:
+  typedef ndn::function<void(const ndn::nfd::ControlParameters&)> CommandSuccessCallback;
+  typedef ndn::function<void(uint32_t,const std::string&)> CommandFailureCallback;
+
+  FaceController(boost::asio::io_service& io, ndn::nfd::Controller& controller)
+    : m_ioService(io)
+    , m_controller(controller)
+  {
+  }
+
+  void
+  createFace(const std::string& request,
+             const CommandSuccessCallback& onSuccess,
+             const CommandFailureCallback& onFailure);
+
+private:
+  void
+  createFaceInNfd(const ndn::util::FaceUri& uri,
+                  const CommandSuccessCallback& onSuccess,
+                  const CommandFailureCallback& onFailure);
+
+  void
+  onCanonizeSuccess(const ndn::util::FaceUri& uri,
+                    const CommandSuccessCallback& onSuccess,
+                    const CommandFailureCallback& onFailure,
+                    const ndn::util::FaceUri& request);
+
+  void
+  onCanonizeFailure(const std::string& reason,
+                    const CommandSuccessCallback& onSuccess,
+                    const CommandFailureCallback& onFailure,
+                    const ndn::util::FaceUri& request);
+
+private:
+  boost::asio::io_service& m_ioService;
+  ndn::nfd::Controller& m_controller;
+
+  static const uint32_t CANONIZE_ERROR_CODE = 408;
+  static const ndn::time::seconds TIME_ALLOWED_FOR_CANONIZATION;
+};
+
+} // namespace util
+} // namespace nlsr
+
+#endif // NLSR_UTIL_FACE_CONTROLLER_HPP