surfbeam.py

from urllib2 import urlopen
from datetime import timedelta
import re

timedelta_regex = re.compile(r'(?P<days>\d+):(?P<hours>\d+):(?P<minutes>\d+):(?P<seconds>\d+)')

def get_modem_status(modem_uri="http://192.168.100.1"):
  content = urlopen(modem_uri + "/index.cgi?page=modemStatusData").read()
  parts = content.split("##")
  
  if len(parts) != 34:
    raise Exception("Unexpected response from the modem.")
 
  result = {
    'ip'                            : parts[0],
    'mac'                           : parts[1],
    'software_version'              : parts[2],
    'hardware_version'              : parts[3],
    'status'                        : parts[4],
    'transmitted_packets'           : long(parts[5].replace(',', '')),
    'transmitted_bytes'             : long(parts[6].replace(',', '')),
    'received_packets'              : long(parts[7].replace(',', '')),
    'received_bytes'                : long(parts[8].replace(',', '')),
    'online_time'                   : parts[9],
    'loss_of_sync_count'            : int(parts[10]),
    'rx_snr'                        : float(parts[11]),
    'rx_snr_percentage'             : float(parts[12].replace('%', '')) / 100.0,
    'serial_number'                 : parts[13],
    'rx_power'                      : float(parts[14]),
    'rx_power_percentage'           : float(parts[15].replace('%', '')) / 100.0,
    'cable_resistance'              : float(parts[16]),
    'cable_resistance_percentage'   : float(parts[17].replace('%', '')) / 100.0,
    'odu_telemetry_status'          : parts[18],
    'cable_attenuation'             : float(parts[19]),
    'cable_attenuation_percentage'  : float(parts[20].replace('%', '')) / 100.0,
    'ifl_type'                      : parts[21],
    'part_number'                   : parts[22],
    'status_image_uri'              : parts[23],
    'satellite_status_uri'          : parts[24],
    'unknown_25'                    : parts[25],
    'status_html'                   : parts[26],
    'health_html'                   : parts[27],
    'unknown_28'                    : parts[28],
    'unknown_29'                    : parts[29],
    'last_page_load_duration'       : parts[30],
    'unknown_31'                    : parts[31],
    'unknown_32'                    : parts[32] }

  parts = timedelta_regex.match(result['online_time'])
  if not parts:
    raise Exception('Invlaid "online time" received from the modem.')
  else
    parts = parts.groupdict()
    time_params = {}
    for (name, param) in parts.iteritems():
      if param:
        time_params[name] = int(param)
    result['online_time'] = timedelta(**time_params)

  return result