diff --git a/tools/nfdc.hpp b/tools/nfdc.hpp
index 3624bb6..84a7fc8 100644
--- a/tools/nfdc.hpp
+++ b/tools/nfdc.hpp
@@ -29,10 +29,10 @@
 #include <ndn-cxx/face.hpp>
 #include <ndn-cxx/util/time.hpp>
 #include <ndn-cxx/management/nfd-controller.hpp>
+#include <ndn-cxx/util/face-uri.hpp>
 
 namespace nfdc {
 
-
 using namespace ndn::nfd;
 
 class Nfdc : boost::noncopyable
@@ -177,6 +177,21 @@
   void
   onError(uint32_t code, const std::string& error, const std::string& message);
 
+  void
+  onCanonizeFailure(const std::string& reason);
+
+  void
+  startFaceCreate(const ndn::util::FaceUri& canonicalUri);
+
+  void
+  startFaceDestroy(const ndn::util::FaceUri& canonicalUri);
+
+  void
+  startFibAddNextHop(const ndn::util::FaceUri& canonicalUri);
+
+  void
+  startRibRegisterPrefix(const ndn::util::FaceUri& canonicalUri);
+
 public:
   const char* m_programName;
 
@@ -193,6 +208,7 @@
 
 private:
   Controller m_controller;
+  boost::asio::io_service& m_ioService;
 };
 
 } // namespace nfdc