Cellog - The quick opportunistic hack that scrapes DSL usage stats from my router logs. #script

cellog.py

import urllib2, base64
import time



#THIS PARTICULAR SCRAPER WORKS ONLY ON MY BSNL TYPE-I TERACOM ROUTER



#variables here
delay = 5

gateway = "192.168.1.1"
url = "http://%s/webconfig/ports/ports_advance.html?117" % gateway
username = "admin"
password = "admin"

celltobit = 2048000 / 4830     #TX cell rate / TX cell count, according to the log itself
totalcells = 0                 #this resets to zero every router reboot, save it somewhere


def celltobytes(cell, bitprefix=1):
    return cell * celltobit / 8 / 2 ** (10 * bitprefix)


#opening the log file here
request = urllib2.Request(url)
base64string = base64.encodestring('%s:%s' % (username, password)).replace('\n', '')
request.add_header("Authorization", "Basic %s" % base64string)



#main loop here
flag = 3
while flag:
    try:
        file = urllib2.urlopen(request).readlines()

        #scrape stuff here
        #    587                  <td class="data_table_data_adv">7536371</td>
        #    601                  <td class="data_table_data_adv">7536371</td>
        print "^", file[586][40:-7], "cells"
        print "v", file[600][40:-7], "cells"
        totalcells = float(file[586][40:-7]) + float(file[600][40:-7])

        #replace above with a function that also saves the scrape
        print "total cell count:\t%.0f MB" % celltobytes(totalcells, 2)

    except:
        print "Couldn't get the log. Maybe the gateway isn't up yet?\nTrying again in 5 seconds..."

    time.sleep(delay)
    flag -= 1

Currently the usage resets at every router reboot. Obviously, some sort of saving is needed.

Also, zero confidence regarding cell to byte conversion: I just couldn't/didn't test it out with all the other 'net noise about the place.