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#
# Copyright (c) 2019 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:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import subprocess
import re
class VppInterface:
def __init__(self, str):
self.str = str
self.name = None
self.Idx = None
self.State = None
self.MTU = None
self.Counter = None
self.Count = None
self._parse()
def _parse(self):
columns = re.split('\s+', self.str)
j = 0
for column in columns:
j += 1
if 1 == j:
self.name = column
elif 2 == j:
self.Idx = column
elif 3 == j:
if 'up' == column:
self.State = True
elif 'down' == column:
self.State = False
elif 4 == j:
self.MTU = column.split("/")[0]
elif 5 == j:
self.Counter = column
elif 6 == j:
self.Count = column
class VppIpv4Address:
def __init__(self, name):
self.name = name
self.str = str
self.addr = list()
def addAddress(self, str):
tmp = re.split('\s+', str)
self.addr.append(tmp[2])
class Vppctl:
def __init__(self):
self.cmd = "vppctl"
def show_interface(self, name=None):
interfaces = list()
p = subprocess.run(self.cmd + " show int", shell=True,
stdout=subprocess.PIPE)
str = p.stdout.decode("utf-8")
lines = str.split("\n")
i = 0
for line in lines:
i += 1
if 1 == i:
continue
interfaces.append(VppInterface(line))
if name is None:
return interfaces
else:
for intf in interfaces:
if intf.name == name:
return intf
return None
def show_address(self, ifName=None):
interfaces = dict()
p = subprocess.run(self.cmd + " show int addr", shell=True,
stdout=subprocess.PIPE)
str = p.stdout.decode("utf-8")
lines = str.split("\n")
for line in lines:
if re.match('^\s+', line) is None:
tmp = line.split(" ")
name = tmp[0]
else:
if name is None:
continue
if name in interfaces:
interface = interfaces[name]
else:
interface = VppIpv4Address(name)
interfaces[name] = interface
interface.addAddress(line)
if ifName is None:
return interfaces
elif ifName in interfaces:
return interfaces[ifName]
else:
return None
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