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Copy pathconnection.py
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72 lines (60 loc) · 2.48 KB
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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-present Dan <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 asyncio
import logging
from typing import Optional
from .transport import TCP, TCPAbridged
from ..session.internals import DataCenter
log = logging.getLogger(__name__)
class Connection:
MAX_CONNECTION_ATTEMPTS = 3
def __init__(self, dc_id: int, test_mode: bool, ipv6: bool, proxy: dict, media: bool = False):
self.dc_id = dc_id
self.test_mode = test_mode
self.ipv6 = ipv6
self.proxy = proxy
self.media = media
self.address = DataCenter(dc_id, test_mode, ipv6, media)
self.protocol: TCP = None
async def connect(self):
for i in range(Connection.MAX_CONNECTION_ATTEMPTS):
self.protocol = TCPAbridged(self.ipv6, self.proxy)
try:
log.info("Connecting...")
await self.protocol.connect(self.address)
except OSError as e:
log.warning("Unable to connect due to network issues: %s", e)
await self.protocol.close()
await asyncio.sleep(1)
else:
log.info("Connected! %s DC%s%s - IPv%s",
"Test" if self.test_mode else "Production",
self.dc_id,
" (media)" if self.media else "",
"6" if self.ipv6 else "4")
break
else:
log.warning("Connection failed! Trying again...")
raise ConnectionError
async def close(self):
await self.protocol.close()
log.info("Disconnected")
async def send(self, data: bytes):
await self.protocol.send(data)
async def recv(self) -> Optional[bytes]:
return await self.protocol.recv()