implement a preferred language enumerator

src/libimcv/imv/imv_agent.h

@@ -137,14 +137,6 @@ struct imv_agent_t {
 	bool (*get_state)(imv_agent_t *this,
 					  TNC_ConnectionID connection_id, imv_state_t **state);
 
-	/**
-	 * Deliver IMV Action Recommendation and IMV Evaluation Result to the TNCS
-	 *
-	 * @param state				state bound to a connection ID
-	 * @return					TNC result code
-	 */
-	TNC_Result (*provide_recommendation)(imv_agent_t *this, imv_state_t* state);
-
 	/**
 	 * Get IMV name
 	 *
@@ -179,6 +171,22 @@ struct imv_agent_t {
 	 */
 	enumerator_t* (*create_id_enumerator)(imv_agent_t *this);
 
+	/**
+	 * Create a preferred languages enumerator
+	 *
+	 * @param					state of TNCCS connection
+	 */
+	enumerator_t* (*create_language_enumerator)(imv_agent_t *this,
+				   imv_state_t *state);
+
+	/**
+	 * Deliver IMV Action Recommendation and IMV Evaluation Result to the TNCS
+	 *
+	 * @param state				state bound to a connection ID
+	 * @return					TNC result code
+	 */
+	TNC_Result (*provide_recommendation)(imv_agent_t *this, imv_state_t* state);
+
 	/**
 	 * Destroys an imv_agent_t object
 	 */