-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
from resources.libraries.python.VatExecutor import VatTerminal
from resources.libraries.python.InterfaceUtil import InterfaceUtil
+from resources.libraries.python.topology import Topology
class Tap(object):
:type node: dict
:type tap_name: str
:type mac: str
- :return: Returns a interface index.
+ :returns: Returns a interface index.
:rtype: int
"""
command = 'connect'
resp = vat.vat_terminal_exec_cmd_from_template('tap.vat',
tap_command=command,
tap_arguments=args)
- return resp[0]['sw_if_index']
+ sw_if_idx = resp[0]['sw_if_index']
+ if_key = Topology.add_new_port(node, 'tap')
+ Topology.update_interface_sw_if_index(node, if_key, sw_if_idx)
+ ifc_name = Tap.vpp_get_tap_interface_name(node, sw_if_idx)
+ Topology.update_interface_name(node, if_key, ifc_name)
+ if mac is None:
+ mac = Tap.vpp_get_tap_interface_mac(node, sw_if_idx)
+ Topology.update_interface_mac_address(node, if_key, mac)
+ Topology.update_interface_tap_dev_name(node, if_key, tap_name)
+
+ return sw_if_idx
@staticmethod
def modify_tap_interface(node, if_index, tap_name, mac=None):
:type if_index: int
:type tap_name: str
:type mac: str
- :return: Returns a interface index.
+ :returns: Returns a interface index.
:rtype: int
"""
command = 'modify'
resp = vat.vat_terminal_exec_cmd_from_template('tap.vat',
tap_command=command,
tap_arguments=args)
+ if_key = Topology.get_interface_by_sw_index(node, if_index)
+ Topology.update_interface_tap_dev_name(node, if_key, tap_name)
+ if mac:
+ Topology.update_interface_mac_address(node, if_key, mac)
+
return resp[0]['sw_if_index']
@staticmethod
if int(resp[0]['retval']) != 0:
raise RuntimeError(
'Could not remove tap interface: {}'.format(resp))
+ if_key = Topology.get_interface_sw_index(node, if_index)
+ Topology.remove_port(node, if_key)
@staticmethod
def check_tap_present(node, tap_name):
:raises RuntimeError: Specified interface was not found.
"""
tap_if = InterfaceUtil.tap_dump(node, tap_name)
- if len(tap_if) == 0:
+ if not tap_if:
raise RuntimeError(
'Tap interface :{} does not exist'.format(tap_name))
+
+ @staticmethod
+ def vpp_get_tap_interface_name(node, sw_if_idx):
+ """Get VPP tap interface name from hardware interfaces dump.
+
+ :param node: DUT node.
+ :param sw_if_idx: DUT node.
+ :type node: dict
+ :type sw_if_idx: int
+ :returns: VPP tap interface name.
+ :rtype: str
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ response = vat.vat_terminal_exec_cmd_from_template(
+ 'show_hardware_detail.vat')
+
+ for line in str(response[0]).splitlines():
+ if line.startswith('tap-'):
+ line_split = line.split()
+ if line_split[1] == sw_if_idx:
+ return line_split[0]
+
+ return None
+
+ @staticmethod
+ def vpp_get_tap_interface_mac(node, sw_if_idx):
+ """Get tap interface MAC address from hardware interfaces dump.
+
+ :param node: DUT node.
+ :param sw_if_idx: DUT node.
+ :type node: dict
+ :type sw_if_idx: int
+ :returns: Tap interface MAC address.
+ :rtype: str
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ response = vat.vat_terminal_exec_cmd_from_template(
+ 'show_hardware_detail.vat')
+
+ tap_if_match = False
+ for line in str(response[0]).splitlines():
+ if tap_if_match:
+ line_split = line.split()
+ return line_split[-1]
+ if line.startswith('tap-'):
+ line_split = line.split()
+ if line_split[1] == sw_if_idx:
+ tap_if_match = True
+
+ return None