"""L2 Utilities Library."""
+from textwrap import wrap
+
from robot.api.deco import keyword
from resources.libraries.python.topology import Topology
class L2Util(object):
"""Utilities for l2 configuration."""
+ @staticmethod
+ def mac_to_int(mac_str):
+ """Convert MAC address from string format (e.g. 01:02:03:04:05:06) to
+ integer representation (1108152157446).
+
+ :param mac_str: MAC address in string representation.
+ :type mac_str: str
+ :returns: Integer representation of MAC address.
+ :rtype: int
+ """
+ return int(mac_str.replace(':', ''), 16)
+
+ @staticmethod
+ def int_to_mac(mac_int):
+ """Convert MAC address from integer representation (e.g. 1108152157446)
+ to string format (01:02:03:04:05:06).
+
+ :param mac_int: MAC address in integer representation.
+ :type mac_int: str
+ :returns: String representation of MAC address.
+ :rtype: int
+ """
+ return ':'.join(wrap("{:012x}".format(mac_int), width=2))
+
@staticmethod
def vpp_add_l2fib_entry(node, mac, interface, bd_id):
""" Create a static L2FIB entry on a vpp node.