adds wrapper for getting the next layer of the socket stack to tls and basic templates

websocketpp/transport/asio/security/none.hpp

@@ -93,6 +93,14 @@ public:
         return *m_socket;
     }
     
+    /// Retrieve a pointer to the underlying socket
+    /**
+     * This is used internally.
+     */
+    boost::asio::ip::tcp::socket& get_next_layer() {
+        return *m_socket;
+    }
+    
     /// Retrieve a pointer to the underlying socket
     /**
      * This is used internally. It can also be used to set socket options, etc

websocketpp/transport/asio/security/tls.hpp

@@ -96,6 +96,14 @@ public:
         return m_socket->lowest_layer();
     }
     
+    /// Retrieve a pointer to the layer below the ssl stream
+    /**
+     * This is used internally.
+     */
+    socket_type::next_layer_type& get_next_layer() {
+        return m_socket->next_layer();
+    }
+    
     /// Retrieve a pointer to the wrapped socket
     /**
      * This is used internally.