MiNode/minode/i2p/listener.py

69 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
import logging
import socket
import threading
from .util import receive_line
class I2PListener(threading.Thread):
def __init__(self, state, nick, host='127.0.0.1', port=7656):
super().__init__(name='I2P Listener')
self.state = state
self.host = host
self.port = port
self.nick = nick
self.s = None
self.version_reply = []
self.new_socket()
def _receive_line(self):
line = receive_line(self.s)
# logging.debug('I2PListener <- %s', line)
return line
def _send(self, command):
# logging.debug('I2PListener -> %s', command)
self.s.sendall(command)
def new_socket(self):
self.s = socket.create_connection((self.host, self.port))
self._send(b'HELLO VERSION MIN=3.0 MAX=3.3\n')
self.version_reply = self._receive_line().split()
assert b'RESULT=OK' in self.version_reply
self._send(b'STREAM ACCEPT ID=' + self.nick + b'\n')
reply = self._receive_line().split(b' ')
assert b'RESULT=OK' in reply
self.s.settimeout(1)
def run(self):
while not self.state.shutting_down:
try:
destination = self._receive_line().split()[0]
logging.info(
'Incoming I2P connection from: %s', destination.decode())
hosts = set()
for c in self.state.connections.copy():
hosts.add(c.host)
for d in self.state.i2p_dialers.copy():
hosts.add(d.destination)
if destination in hosts:
logging.debug('Rejecting duplicate I2P connection.')
self.s.close()
else:
c = self.state.connection(
destination, 'i2p', self.s, 'i2p', True, destination)
c.start()
self.state.connections.add(c)
self.new_socket()
except socket.timeout:
pass
logging.debug('Shutting down I2P Listener')