commit 4063184af0365da4f6fc173d645bb248ac0d4b4e
author Junxiao Shi <git@mail1.yoursunny.com> Sat Mar 01 13:52:37 2014 -0700
committer Junxiao Shi <git@mail1.yoursunny.com> Mon Mar 03 09:27:13 2014 -0700
tree f151471642fbd961422348bf72d8e23158f1bcc3
parent 624f6c610f754dd427ebf75e8c9870ccc4b4f3c3

table: NameTree::findLongestPrefixMatch predicate

refs #1313

Change-Id: I759c8ddf9bc0fe5b970c979f69131a98b1ef32e4

daemon/table/fib.hpp

diff --git a/daemon/table/fib.hpp b/daemon/table/fib.hpp
index 166eb1b..0399833 100644
--- a/daemon/table/fib.hpp
+++ b/daemon/table/fib.hpp
@@ -66,9 +66,16 @@
   size() const;
 
 private:
-  shared_ptr<fib::Entry> m_rootEntry;
   NameTree& m_nameTree;
-  size_t m_nItems; // Number of items being stored
+  size_t m_nItems;
+  
+  /** \brief The empty FIB entry.
+   *
+   *  This entry has no nexthops.
+   *  It is returned by findLongestPrefixMatch if nothing is matched.
+   */
+  // Returning empty entry instead of nullptr makes forwarding and strategy implementation easier.
+  static const shared_ptr<fib::Entry> m_emptyEntry;
 };
 
 inline size_t