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Fix reconnection (InvalidDC did not occur on .connect())*

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* Also, use the parameters given for the initial connection
instead ignoring them.
This commit is contained in:
Lonami Exo 2017-06-08 16:51:20 +02:00
parent 6a043b7371
commit b760f0de50
2 changed files with 41 additions and 26 deletions
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37
telethon/telegram_bare_client.py
View File

@ -109,22 +109,6 @@ class TelegramBareClient:
self.dc_options = result.dc_options
return True
except InvalidDCError as e:
# If an InvalidDCError occurs on CONNECTION then it for sure
# means that the user is associated with a different DC,
# which is the only case in which we need to reconnect.
self._logger.info('DC error on initial connection, '
'attempting to reconnect at DC {}'
.format(e.new_dc))
self.disconnect()
self.session.auth_key = None # Force creating new auth_key
dc = self._get_dc(e.new_dc)
self.session.server_address = dc.ip_address
self.session.port = dc.port
self.session.save()
self.connect(device_model, system_version, app_version, lang_code)
except (RPCError, ConnectionError) as error:
# Probably errors from the previous session, ignore them
self.disconnect()
@ -138,12 +122,23 @@ class TelegramBareClient:
self.sender.disconnect()
self.sender = None
def reconnect(self):
"""Disconnects and connects again (effectively reconnecting)"""
def reconnect(self, device_model, system_version, app_version, lang_code,
new_dc=None):
"""Disconnects and connects again (effectively reconnecting).
If 'new_dc' is not None, the current authorization key is
removed, the DC used is switched, and a new connection is made.
"""
self.disconnect()
# TODO Don't use these parameters
self.connect(
platform.node(), platform.system(), self.__version__, 'en')
if new_dc is not None:
self.session.auth_key = None # Force creating new auth_key
dc = self._get_dc(new_dc)
self.session.server_address = dc.ip_address
self.session.port = dc.port
self.session.save()
self.connect(device_model, system_version, app_version, lang_code)
# endregion

30
telethon/telegram_client.py
View File

@ -125,7 +125,8 @@ class TelegramClient(TelegramBareClient):
# region Connecting
def connect(self):
def connect(self, a=None, b=None, c=None, d=None):
# TODO Use **kwargs instead 4 dummy parameters
return super(TelegramClient, self).connect(
device_model=self.device_model,
system_version=self.system_version,
@ -145,6 +146,15 @@ class TelegramClient(TelegramBareClient):
self._cached_senders.clear()
self._cached_sessions.clear()
def reconnect(self, new_dc=None, a=None, b=None, c=None, d=None):
# TODO Use **kwargs instead 4 dummy parameters
super(TelegramClient, self).reconnect(
device_model=self.device_model,
system_version=self.system_version,
app_version=self.app_version,
lang_code=self.lang_code,
new_dc=new_dc)
# endregion
# region Working with different Data Centers
@ -248,11 +258,21 @@ class TelegramClient(TelegramBareClient):
return result
except InvalidDCError as e:
self._logger.info('DC error when invoking request, '
'attempting to send it on DC {}'
.format(e.new_dc))
if (e.message.startswith('PHONE_MIGRATE_') or
e.message.startswith('USER_MIGRATE_')):
self._logger.info('DC error when invoking request, '
'attempting to reconnect at DC {}'
.format(e.new_dc))
return self.invoke_on_dc(request, e.new_dc, timeout=timeout)
self.reconnect(new_dc=e.new_dc)
return self.invoke(request, timeout=timeout)
else:
self._logger.info('DC error when invoking request, '
'attempting to send it on DC {}'
.format(e.new_dc))
return self.invoke_on_dc(request, e.new_dc, timeout=timeout)
finally:
self._lock.release()