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Fix commit 65912f9 by properly skipping lost messages

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This commit is contained in:
Lonami Exo 2017-06-11 17:53:53 +02:00
parent 65912f926b
commit 3ed59d08e5
1 changed files with 28 additions and 25 deletions
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53
telethon/network/mtproto_sender.py
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@ -106,7 +106,9 @@ class MtProtoSender:
# We're done receiving, remove the request from pending, if any
if request:
self._pending_receive.remove(request)
try:
self._pending_receive.remove(request)
except ValueError: pass
self._logger.info('Request result received')
self._logger.debug('receive() released the lock')
@ -184,7 +186,11 @@ class MtProtoSender:
return message, remote_msg_id, remote_sequence
def _process_msg(self, msg_id, sequence, reader, updates):
"""Processes and handles a Telegram message"""
"""Processes and handles a Telegram message.
Returns True if the message was handled correctly and doesn't
need to be skipped. Returns False otherwise.
"""
# TODO Check salt, session_id and sequence_number
self._need_confirmation.append(msg_id)
@ -222,7 +228,7 @@ class MtProtoSender:
self._logger.info('Message ack confirmed a request')
r.confirm_received = True
return False
return True
# If the code is not parsed manually, then it was parsed by the code generator!
# In this case, we will simply treat the incoming TLObject as an Update,
@ -235,7 +241,7 @@ class MtProtoSender:
self._logger.debug('Read update for %s', repr(result))
updates.append(result)
return False
return True
self._logger.warning('Unknown message: {}'.format(hex(code)))
return False
@ -257,7 +263,7 @@ class MtProtoSender:
request.confirm_received = True
except StopIteration: pass
return False
return True
def _handle_container(self, msg_id, sequence, reader, updates):
self._logger.debug('Handling container')
@ -275,7 +281,7 @@ class MtProtoSender:
inner_msg_id, sequence, reader, updates):
reader.set_position(begin_position + inner_length)
return False
return True
def _handle_bad_server_salt(self, msg_id, sequence, reader):
self._logger.debug('Handling bad server salt')
@ -310,6 +316,7 @@ class MtProtoSender:
self.session.save()
self._logger.warning('Read Bad Message error: ' + str(error))
self._logger.info('Attempting to use the correct time offset.')
return True
else:
raise error
@ -343,26 +350,22 @@ class MtProtoSender:
raise error
else:
if not request:
raise ValueError(
'The request needed to read this RPC result was not '
'found (possibly called receive() from another thread).')
self._logger.debug('Reading request response')
if inner_code == 0x3072cfa1: # GZip packed
unpacked_data = gzip.decompress(reader.tgread_bytes())
with BinaryReader(unpacked_data) as compressed_reader:
request.on_response(compressed_reader)
else:
reader.seek(-4)
if request_id == request.msg_id:
request.on_response(reader)
if request:
self._logger.debug('Reading request response')
if inner_code == 0x3072cfa1: # GZip packed
unpacked_data = gzip.decompress(reader.tgread_bytes())
with BinaryReader(unpacked_data) as compressed_reader:
request.on_response(compressed_reader)
else:
# If it's really a result for RPC from previous connection
# session, it will be skipped by the handle_container()
self._logger.warning(
'RPC result found for unknown request '
'(maybe from previous connection session)')
reader.seek(-4)
request.on_response(reader)
return True
else:
# If it's really a result for RPC from previous connection
# session, it will be skipped by the handle_container()
self._logger.warning('Lost request will be skipped.')
return False
def _handle_gzip_packed(self, msg_id, sequence, reader, updates):
self._logger.debug('Handling gzip packed data')