forked from cawka/ndn.cxx
diff --git a/ndn-cpp/face.h b/ndn-cpp/face.h
new file mode 100644
index 0000000..38a618c
--- /dev/null
+++ b/ndn-cpp/face.h
@@ -0,0 +1,70 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Alexander Afanasyev
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef NDN_CXX_H
+#define NDN_CXX_H
+
+#include "ndn-cpp/common.h"
+#include "ndn-cpp/fields/name.h"
+#include "ndn-cpp/interest.h"
+#include "ndn-cpp/data.h"
+
+#include "trie/trie-with-policy.h"
+#include "trie/policies/counting-policy.h"
+
+#include <list>
+
+namespace ndn {
+
+template<class Callback>
+struct CallbackTable :
+    public trie::trie_with_policy< Name,
+                                   trie::ptr_payload_traits< std::list<Callback> >,
+                                   trie::counting_policy_traits >
+{
+};
+
+
+class Face
+{
+public:
+  typedef boost::function<void (Ptr<Data> incomingData, Ptr<const Interest> satisfiedInterest)> SatisfiedInterestCallback;
+  typedef boost::function<void (Ptr<Interest> incomingInterest, Ptr<const Name> registeredPrefix)> ExpectedInterestCallback;
+
+  // some internal definitions
+  typedef CallbackTable< SatisfiedInterestCallback > sent_interest_container;
+  typedef CallbackTable< ExpectedInterestCallback >  registered_prefix_container;
+
+  typedef sent_interest_container::iterator sent_interest;
+  typedef registered_prefix_container::iterator registered_prefix;
+  
+  sent_interest
+  sendInterest (Ptr<const Interest> interest, const SatisfiedInterestCallback &dataCallback);
+
+  void
+  clearInterest (sent_interest interest);
+  
+  registered_prefix
+  setInterestFilter (Ptr<const Name> prefix, const ExpectedInterestCallback &interestCallback);
+
+  void
+  clearInterestFilter (const Name &prefix);
+
+  void
+  clearInterestFilter (registered_prefix filter);
+  
+private:
+  sent_interest_container m_sentInterests;
+  registered_prefix_container m_registeredPrefixes;
+};
+
+} // ndn
+
+#endif // NDN_CXX_H