-
-
Notifications
You must be signed in to change notification settings - Fork 48
Expand file tree
/
Copy pathconnection.py
More file actions
90 lines (75 loc) · 2.88 KB
/
connection.py
File metadata and controls
90 lines (75 loc) · 2.88 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
# Hydrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2023 Dan <https://github.com/delivrance>
# Copyright (C) 2023-present Hydrogram <https://hydrogram.org>
#
# This file is part of Hydrogram.
#
# Hydrogram 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.
#
# Hydrogram 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 Hydrogram. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
import asyncio
import logging
from typing import TYPE_CHECKING
from hydrogram.session.internals import DataCenter
from .transport import TCP, TCPAbridged
if TYPE_CHECKING:
from .transport.tcp.tcp import Proxy
log = logging.getLogger(__name__)
class Connection:
MAX_CONNECTION_ATTEMPTS = 3
def __init__(
self,
dc_id: int,
test_mode: bool,
ipv6: bool,
proxy: Proxy,
media: bool = False,
protocol_factory: type[TCP] = TCPAbridged,
) -> None:
self.dc_id = dc_id
self.test_mode = test_mode
self.ipv6 = ipv6
self.proxy = proxy
self.media = media
self.protocol_factory = protocol_factory
self.address = DataCenter(dc_id, test_mode, ipv6, media)
self.protocol: TCP | None = None
async def connect(self) -> None:
for i in range(Connection.MAX_CONNECTION_ATTEMPTS):
self.protocol = self.protocol_factory(ipv6=self.ipv6, proxy=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) -> None:
await self.protocol.close()
log.info("Disconnected")
async def send(self, data: bytes) -> None:
await self.protocol.send(data)
async def recv(self) -> bytes | None:
return await self.protocol.recv()