Onionr/src/communicator/onlinepeers/onlinepeers.py

67 lines
2.3 KiB
Python

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