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Document the network/ module

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Lonami Exo
2017-11-30 13:20:51 +01:00
parent 7509ba9067
commit 9046b46fcd
5 changed files with 300 additions and 46 deletions
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31
telethon/network/mtproto_plain_sender.py
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@@ -1,3 +1,7 @@
"""
This module contains the class used to communicate with Telegram's servers
in plain text, when no authorization key has been created yet.
"""
import struct
import time
@@ -6,32 +10,47 @@ from ..extensions import BinaryReader
class MtProtoPlainSender:
"""MTProto Mobile Protocol plain sender
(https://core.telegram.org/mtproto/description#unencrypted-messages)
"""
MTProto Mobile Protocol plain sender
(https://core.telegram.org/mtproto/description#unencrypted-messages)
"""
def __init__(self, connection):
"""
Initializes the MTProto plain sender.
:param connection: the Connection to be used.
"""
self._sequence = 0
self._time_offset = 0
self._last_msg_id = 0
self._connection = connection
def connect(self):
"""Connects to Telegram's servers."""
self._connection.connect()
def disconnect(self):
"""Disconnects from Telegram's servers."""
self._connection.close()
def send(self, data):
"""Sends a plain packet (auth_key_id = 0) containing the
given message body (data)
"""
Sends a plain packet (auth_key_id = 0) containing the
given message body (data).
:param data: the data to be sent.
"""
self._connection.send(
struct.pack('<QQi', 0, self._get_new_msg_id(), len(data)) + data
)
def receive(self):
"""Receives a plain packet, returning the body of the response"""
"""
Receives a plain packet from the network.
:return: the response body.
"""
body = self._connection.recv()
if body == b'l\xfe\xff\xff': # -404 little endian signed
# Broken authorization, must reset the auth key
@@ -46,7 +65,7 @@ class MtProtoPlainSender:
return response
def _get_new_msg_id(self):
"""Generates a new message ID based on the current time since epoch"""
"""Generates a new message ID based on the current time since epoch."""
# See core.telegram.org/mtproto/description#message-identifier-msg-id
now = time.time()
nanoseconds = int((now - int(now)) * 1e+9)