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import requests
import logging
from datetime import datetime
from collections import namedtuple
from urllib.parse import quote_plus
from .config import OpenwrtConfig
from ..modem.config import ModemsConfig
DHCPLease = namedtuple('DHCPLease', 'time, time_s, mac, ip, hostname')
_config = OpenwrtConfig()
_modems_config = ModemsConfig()
_logger = logging.getLogger(__name__)
def ipset_list_all() -> list:
args = ['ipset-list-all']
args += _modems_config.keys()
lines = _to_list(_call(args))
sets = {}
cur_set = None
for line in lines:
if line.startswith('>'):
cur_set = line[1:]
if cur_set not in sets:
sets[cur_set] = []
continue
if cur_set is None:
_logger.error('ipset_list_all: cur_set is not set')
continue
sets[cur_set].append(line)
return sets
def ipset_add(set_name: str, ip: str):
return _call(['ipset-add', set_name, ip])
def ipset_del(set_name: str, ip: str):
return _call(['ipset-del', set_name, ip])
def set_upstream(ip: str):
return _call(['homekit-set-default-upstream', ip])
def get_default_route():
return _call(['get-default-route'])
def get_dhcp_leases() -> list[DHCPLease]:
return list(map(lambda item: _to_dhcp_lease(item), _to_list(_call(['dhcp-leases']))))
def _call(arguments: list[str]) -> str:
url = _get_link(arguments)
r = requests.get(url)
r.raise_for_status()
return r.text.strip()
def _get_link(arguments: list[str]) -> str:
url = f'http://{_config["ip"]}/cgi-bin/luci/command/{_config["command_id"]}'
if arguments:
url += '/'
url += '%20'.join(list(map(lambda arg: quote_plus(arg.replace('/', '_')), arguments)))
return url
def _to_list(s: str) -> list:
return [] if s == '' else s.split('\n')
def _to_dhcp_lease(s: str) -> DHCPLease:
words = s.split(' ')
time = int(words.pop(0))
mac = words.pop(0)
ip = words.pop(0)
words.pop()
hostname = (' '.join(words)).strip()
if not hostname or hostname == '*':
hostname = '?'
return DHCPLease(time=time,
time_s=datetime.fromtimestamp(time).strftime('%d %b, %H:%M:%S'),
mac=mac,
ip=ip,
hostname=hostname)
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