Onionr/src/onionrpeers/peercleanup.py

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'''
Onionr - Private P2P Communication
Cleanup the peer database
'''
'''
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
import sqlite3
import logger
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from onionrutils import epoch
from . import scoresortedpeerlist, peerprofiles
from oldblocks import onionrblacklist
import config
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from coredb import keydb
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def peer_cleanup():
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'''Removes peers who have been offline too long or score too low'''
logger.info('Cleaning peers...')
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blacklist = onionrblacklist.OnionrBlackList()
adders = scoresortedpeerlist.get_score_sorted_peer_list()
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adders.reverse()
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if len(adders) > 1:
min_score = int(config.get('peers.minimum_score', -100))
max_peers = int(config.get('peers.max_stored', 5000))
for address in adders:
# Remove peers that go below the negative score
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if peerprofiles.PeerProfiles(address).score < min_score:
keydb.removekeys.remove_address(address)
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try:
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lastConnect = int(keydb.transportinfo.get_address_info(address, 'lastConnect'))
expireTime = 86400 - int(epoch.get_epoch()) - lastConnect
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blacklist.addToDB(address, dataType=1, expire=expireTime)
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except sqlite3.IntegrityError: #TODO just make sure its not a unique constraint issue
pass
except ValueError:
pass
logger.warn('Removed address ' + address + '.')
# Unban probably not malicious peers TODO improve
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blacklist.deleteExpired(dataType=1)