Created
May 18, 2011 17:14
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Cellog - The quick opportunistic hack that scrapes DSL usage stats from my router logs. #script
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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 |
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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.