Onionr/src/communicatorutils/lookupadders.py

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"""
Onionr - Private P2P Communication.
Lookup new peer transport addresses using the communicator
"""
import logger
from onionrutils import stringvalidators
from communicator import peeraction, onlinepeers
from utils import gettransports
import onionrexceptions
"""
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 lookup_new_peer_transports_with_communicator(comm_inst):
logger.info('Looking up new addresses...')
tryAmount = 1
newPeers = []
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transports = gettransports.get()
for i in range(tryAmount):
# Download new peer address list from random online peers
if len(newPeers) > 10000:
# Don't get new peers if we have too many queued up
break
try:
peer = onlinepeers.pick_online_peer(comm_inst)
newAdders = peeraction.peer_action(comm_inst, peer, action='pex')
except onionrexceptions.OnlinePeerNeeded:
continue
try:
newPeers = newAdders.split(',')
except AttributeError:
pass
else:
# Validate new peers are good format and not already in queue
invalid = []
for x in newPeers:
x = x.strip()
if not stringvalidators.validate_transport(x) \
or x in comm_inst.newPeers or x in transports:
# avoid adding if its our address
invalid.append(x)
for x in invalid:
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try:
newPeers.remove(x)
except ValueError:
pass
comm_inst.newPeers.extend(newPeers)
comm_inst.decrementThreadCount(
'lookup_new_peer_transports_with_communicator')