Onionr/src/communicator/onlinepeers/onlinepeers.py

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"""Onionr - Private P2P Communication.
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get online peers in a communicator instance
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"""
import time
from typing import TYPE_CHECKING
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import config
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from etc.humanreadabletime import human_readable_time
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from communicatorutils.connectnewpeers import connect_new_peer_to_communicator
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import logger
if TYPE_CHECKING:
from deadsimplekv import DeadSimpleKV
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"""
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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/>.
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"""
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def get_online_peers(shared_state):
"""Manage the kv.get('onlinePeers') attribute list.
Connect to more peers if we have none connected
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"""
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kv: "DeadSimpleKV" = shared_state.get_by_string("DeadSimpleKV")
if config.get('general.offline_mode', False):
return
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logger.info('Refreshing peer pool...')
max_peers = int(config.get('peers.max_connect', 10))
needed = max_peers - len(kv.get('onlinePeers'))
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last_seen = 'never'
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if not isinstance(kv.get('lastNodeSeen'), type(None)):
last_seen = human_readable_time(kv.get('lastNodeSeen'))
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for _ in range(needed):
if len(kv.get('onlinePeers')) == 0:
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connect_new_peer_to_communicator(shared_state, useBootstrap=True)
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else:
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connect_new_peer_to_communicator(shared_state)
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if kv.get('shutdown'):
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break
else:
if len(kv.get('onlinePeers')) == 0:
logger.debug('Couldn\'t connect to any peers.' +
f' Last node seen {last_seen} ago.')
try:
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get_online_peers(kv)
except RecursionError:
pass
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else:
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kv.put('lastNodeSeen', time.time())