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# -*- python -*-
'''
xpybar – xmobar replacement written in python
Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
from util import *
class SNMP:
'''
IPv4 SNMP data
'''
def __init__(self):
'''
Constructor
'''
snmp = None
with open('/proc/net/snmp', 'rb') as file:
snmp = file.read()
snmp = snmp.decode('utf-8', 'replace')
filter_ = lambda array : filter(lambda x : not x == '', array)
snmp = list(map(lambda x : x.split(' '), filter_(snmp.split('\n'))))
snmp_h = filter(lambda i : i % 2 == 0, range(len(snmp)))
snmp_d = filter(lambda i : i % 2 == 0, range(len(snmp)))
snmp_h = list(map(lambda i : snmp[i], snmp_h))
snmp_d = list(map(lambda i : snmp[i], snmp_d))
snmp = zip(snmp_h, snmp_d)
self.__info = {}
for header_list, data_list in snmp:
prefix = header_list[0][:-1]
for suffix, value in zip(header_list[1:], data_list[1:]):
self.__info[prefix + suffix] = int(value)
def __contains__(self, key):
'''
Get whether or not a key is available
@param key:str The key
@return :bool The availability
'''
return key in self.__info
def __getitem__(self, key):
'''
Lookup a field from '/proc/net/snmp'
@param key:str The field name
@return :int The value of the field
'''
return self.__info[key]
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