78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
from typing import TypeVar
|
|
import datetime
|
|
from dateutil.parser import parse
|
|
|
|
import logging
|
|
from redis import StrictRedis
|
|
|
|
from .libs.helpers import get_socket_path
|
|
from .libs.exceptions import InvalidDateFormat
|
|
|
|
Dates = TypeVar('Dates', datetime.datetime, datetime.date, str)
|
|
|
|
|
|
class Querying():
|
|
|
|
def __init__(self, loglevel: int=logging.DEBUG):
|
|
self.__init_logger(loglevel)
|
|
self.storage = StrictRedis(unix_socket_path=get_socket_path('storage'), decode_responses=True)
|
|
self.ranking = StrictRedis(unix_socket_path=get_socket_path('storage'), db=1, decode_responses=True)
|
|
self.asn_meta = StrictRedis(unix_socket_path=get_socket_path('storage'), db=2, decode_responses=True)
|
|
|
|
def __init_logger(self, loglevel: int):
|
|
self.logger = logging.getLogger(f'{self.__class__.__name__}')
|
|
self.logger.setLevel(loglevel)
|
|
|
|
def __normalize_date(self, date: Dates):
|
|
if isinstance(date, datetime.datetime):
|
|
return date.date().isoformat()
|
|
elif isinstance(date, datetime.date):
|
|
return date.isoformat()
|
|
elif isinstance(date, str):
|
|
try:
|
|
return parse(date).date().isoformat()
|
|
except ValueError:
|
|
raise InvalidDateFormat('Unable to parse the date. Should be YYYY-MM-DD.')
|
|
|
|
def asns_global_ranking(self, date: Dates=datetime.date.today(), source: str='', ipversion: str='v4', limit: int=100):
|
|
'''Aggregated ranking of all the ASNs known in the system, weighted by source.'''
|
|
d = self.__normalize_date(date)
|
|
if source:
|
|
key = f'{d}|{source}|asns|{ipversion}'
|
|
else:
|
|
key = f'{d}|asns|{ipversion}'
|
|
return self.ranking.zrevrange(key, start=0, end=limit, withscores=True)
|
|
|
|
def asn_details(self, asn: int, date: Dates= datetime.date.today(), source: str='', ipversion: str='v4'):
|
|
'''Aggregated ranking of all the prefixes anounced by the given ASN, weighted by source.'''
|
|
d = self.__normalize_date(date)
|
|
if source:
|
|
key = f'{d}|{source}|{asn}|{ipversion}|prefixes'
|
|
else:
|
|
key = f'{d}|{asn}|{ipversion}'
|
|
return self.ranking.zrevrange(key, start=0, end=-1, withscores=True)
|
|
|
|
def asn_rank(self, asn: int, date: Dates= datetime.date.today(), source: str='', ipversion: str='v4'):
|
|
'''Get the rank of a single ASN, weighted by source.'''
|
|
d = self.__normalize_date(date)
|
|
if source:
|
|
key = f'{d}|{source}|{asn}|{ipversion}'
|
|
else:
|
|
key = f'{d}|asns|{ipversion}'
|
|
return self.ranking.zscore(key, asn)
|
|
|
|
def get_sources(self, date: Dates= datetime.date.today()):
|
|
'''Get the sources availables for a specific day (default: today).'''
|
|
d = self.__normalize_date(date)
|
|
key = f'{d}|sources'
|
|
return self.storage.smembers(key)
|
|
|
|
def get_asn_descriptions(self, asn: int, all_descriptions=False):
|
|
descriptions = self.asn_meta.hgetall(f'{asn}|descriptions')
|
|
if all_descriptions or not descriptions:
|
|
return descriptions
|
|
return descriptions[sorted(descriptions.keys(), reverse=True)[0]]
|