Onionr/src/communicatorutils/netcheck.py

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"""
Onionr - Private P2P Communication.
Determine if our node is able to use Tor based
on the status of a communicator instance
and the result of pinging onion http servers
"""
import logger
from utils import netutils
from onionrutils import localcommand, epoch
from . import restarttor
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from deadsimplekv import DeadSimpleKV
"""
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 net_check(comm_inst):
"""Check if we are connected to the internet.
or not when we can't connect to any peers
"""
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# for detecting if we have received incoming connections recently
rec = False
kv: "DeadSimpleKV" = comm_inst.shared_state.get_by_string("DeadSimpleKV")
if len(kv.get('onlinePeers')) == 0:
try:
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if (epoch.get_epoch() - int(localcommand.local_command
('/lastconnect'))) <= 60:
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kv.put('isOnline', True)
rec = True
except ValueError:
pass
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if not rec and not netutils.check_network(torPort=comm_inst.proxyPort):
if not kv.get('shutdown'):
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if not comm_inst.config.get('general.offline_mode', False):
logger.warn('Network check failed, are you connected to ' +
'the Internet, and is Tor working? ' +
'This is usually temporary, but bugs and censorship can cause this to persist, in which case you should report it to beardog [at] mailbox.org', # noqa
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terminal=True)
restarttor.restart(comm_inst.shared_state)
kv.put('offlinePeers', [])
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kv.put('isOnline', False)
else:
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kv.put('isOnline', True)
comm_inst.decrementThreadCount('net_check')