Signed-off-by: Helge Mader <ma@dev.tdt.de>
return null;
},
+ /**
+ * Check function for the protocol handler if a new interface is createable.
+ *
+ * This function should be overwritten by protocol specific subclasses.
+ *
+ * @abstract
+ *
+ * @param {string} ifname
+ * The name of the interface to be created.
+ *
+ * @returns {Promise<null|error message>}
+ * Returns `null` if new interface is createable, else returns (error) message.
+ */
+ isCreateable: function(ifname) {
+ return Promise.resolve(null);
+ },
+
/**
* Checks whether the protocol functionality is installed.
*