"""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.
cmd = 'ip link set dev {0} up'.format(br_name)
exec_cmd_no_error(node, cmd, sudo=True)
- @staticmethod
- def setup_network_namespace(node, namespace_name, interface_name,
- ip_address, prefix):
- """Setup namespace on given node and attach interface and IP to
- this namespace. Applicable also on TG node.
-
- :param node: Node to set namespace on.
- :param namespace_name: Namespace name.
- :param interface_name: Interface name.
- :param ip_address: IP address of namespace's interface.
- :param prefix: IP address prefix length.
- :type node: dict
- :type namespace_name: str
- :type vhost_if: str
- :type ip_address: str
- :type prefix: int
-
- """
- cmd = ('ip netns add {0}'.format(namespace_name))
- exec_cmd_no_error(node, cmd, sudo=True)
-
- cmd = ('ip link set dev {0} up netns {1}'.format(interface_name,
- namespace_name))
- exec_cmd_no_error(node, cmd, sudo=True)
-
- cmd = ('ip netns exec {0} ip addr add {1}/{2} dev {3}'.format(
- namespace_name, ip_address, prefix, interface_name))
- exec_cmd_no_error(node, cmd, sudo=True)
-
@staticmethod
def linux_del_bridge(node, br_name, set_down=True):
"""Delete bridge from linux node.