Added support for processEvents to Transport and Face.  Removed tempReceive.
diff --git a/ndn-cpp/transport/tcp-transport.hpp b/ndn-cpp/transport/tcp-transport.hpp
index 6cc5fc9..9167beb 100644
--- a/ndn-cpp/transport/tcp-transport.hpp
+++ b/ndn-cpp/transport/tcp-transport.hpp
@@ -21,15 +21,30 @@
   }
   
   /**
-   * 
+   * Connect to the host specified in face.
    * @param face Not a shared_ptr because we assume that it will remain valid during the life of this Transport object.
    */
   virtual void connect(Face &face);
   
+  /**
+   * Set data to the host
+   * @param data A pointer to the buffer of data to send.
+   * @param dataLength The number of bytes in data.
+   */
   virtual void send(const unsigned char *data, unsigned int dataLength);
 
-  virtual void tempReceive();
+  /**
+   * Process any data to receive.  For each element received, call face.onReceivedElement.
+   * This is non-blocking and will silently time out after a brief period if there is no data to receive.
+   * You should repeatedly call this from an event loop.
+   * @throw This may throw an exception for reading data or in the callback for processing the data.  If you
+   * call this from an main event loop, you may want to catch and log/disregard all exceptions.
+   */
+  virtual void processEvents();
 
+  /**
+   * Close the connection to the host.
+   */
   virtual void close();
   
 private: