diff --git a/ndn-cpp/transport/transport.hpp b/ndn-cpp/transport/transport.hpp
index 9159b99..6fe4534 100644
--- a/ndn-cpp/transport/transport.hpp
+++ b/ndn-cpp/transport/transport.hpp
@@ -40,6 +40,8 @@
    */
   virtual void processEvents() = 0;
 
+  virtual bool getIsConnected();
+  
   /**
    * Close the connection.  This base class implementation does nothing, but your derived class can override.
    */