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81 lines (68 loc) · 2.45 KB
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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import logging
import threading
import time
from .transport import *
from ..session.internals import DataCenter
log = logging.getLogger(__name__)
class Connection:
MAX_RETRIES = 3
MODES = {
0: TCPFull,
1: TCPAbridged,
2: TCPIntermediate,
3: TCPAbridgedO,
4: TCPIntermediateO
}
def __init__(self, dc_id: int, test_mode: bool, ipv6: bool, proxy: dict, mode: int = 3):
self.dc_id = dc_id
self.ipv6 = ipv6
self.proxy = proxy
self.address = DataCenter(dc_id, test_mode, ipv6)
self.mode = self.MODES.get(mode, TCPAbridged)
self.lock = threading.Lock()
self.connection = None
def connect(self):
for i in range(Connection.MAX_RETRIES):
self.connection = self.mode(self.ipv6, self.proxy)
try:
log.info("Connecting...")
self.connection.connect(self.address)
except OSError as e:
log.warning(e) # TODO: Remove
self.connection.close()
time.sleep(1)
else:
log.info("Connected! DC{} - IPv{} - {}".format(
self.dc_id,
"6" if self.ipv6 else "4",
self.mode.__name__
))
break
else:
log.warning("Connection failed! Trying again...")
raise TimeoutError
def close(self):
self.connection.close()
log.info("Disconnected")
def send(self, data: bytes):
with self.lock:
self.connection.sendall(data)
def recv(self) -> bytes or None:
return self.connection.recvall()