matthew/enhanced-discord.py
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Rewrite RESUME logic to be more in line with what is requested.

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Apparently we should always try to RESUME first and if we get
INVALIDATE_SESSION then we should IDENTIFY instead. This is the
preferred way to do RESUMEs.
This commit is contained in:
Rapptz 2017-02-08 04:37:16 -05:00
parent f5b455c119
commit dc486980f8
3 changed files with 13 additions and 24 deletions
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11
discord/client.py
View File

@ -361,17 +361,12 @@ class Client:
while not self.is_closed():
try:
yield from self.ws.poll_event()
except (ReconnectWebSocket, ResumeWebSocket) as e:
resume = type(e) is ResumeWebSocket
log.info('Got ' + type(e).__name__)
if not resume:
self._ready.clear()
except ResumeWebSocket as e:
log.info('Got a request to RESUME the websocket.')
self.ws = yield from DiscordWebSocket.from_client(self, shard_id=self.shard_id,
session=self.ws.session_id,
sequence=self.ws.sequence,
resume=resume)
resume=True)
except ConnectionClosed as e:
yield from self.close()
if e.code != 1000:

19
discord/gateway.py
View File

@ -41,15 +41,9 @@ import struct
log = logging.getLogger(__name__)
__all__ = [ 'ReconnectWebSocket', 'DiscordWebSocket',
'KeepAliveHandler', 'VoiceKeepAliveHandler',
__all__ = [ 'DiscordWebSocket', 'KeepAliveHandler', 'VoiceKeepAliveHandler',
'DiscordVoiceWebSocket', 'ResumeWebSocket' ]
class ReconnectWebSocket(Exception):
"""Signals to handle the RECONNECT opcode."""
def __init__(self, shard_id):
self.shard_id = shard_id
class ResumeWebSocket(Exception):
"""Signals to initialise via RESUME opcode instead of IDENTIFY."""
def __init__(self, shard_id):
@ -128,8 +122,8 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
REQUEST_MEMBERS
Send only. Asks for the full member list of a guild.
INVALIDATE_SESSION
Receive only. Tells the client to invalidate the session and IDENTIFY
again.
Receive only. Tells the client to optionally invalidate the session
and IDENTIFY again.
HELLO
Receive only. Tells the client the heartbeat interval.
HEARTBEAT_ACK
@ -306,7 +300,7 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
# internal exception signalling to reconnect.
log.info('Received RECONNECT opcode.')
yield from self.close()
raise ReconnectWebSocket(self.shard_id)
raise ResumeWebSocket(self.shard_id)
if op == self.HEARTBEAT_ACK:
return # disable noisy logging for now
@ -323,12 +317,13 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
return
if op == self.INVALIDATE_SESSION:
self.sequence = None
self.session_id = None
if data == True:
yield from self.close()
raise ResumeWebSocket(self.shard_id)
self.sequence = None
self.session_id = None
log.info('Shard ID %s has either failed a RESUME request or needed to invalidate its session.' % self.shard_id)
yield from self.identify()
return

7
discord/shard.py
View File

@ -54,10 +54,9 @@ class Shard:
def poll(self):
try:
yield from self.ws.poll_event()
except (ReconnectWebSocket, ResumeWebSocket) as e:
resume = type(e) is ResumeWebSocket
log.info('Got ' + type(e).__name__)
self.ws = yield from DiscordWebSocket.from_client(self._client, resume=resume,
except ResumeWebSocket as e:
log.info('Got a request to RESUME the websocket.')
self.ws = yield from DiscordWebSocket.from_client(self._client, resume=True,
shard_id=self.id,
session=self.ws.session_id,
sequence=self.ws.sequence)