1 Commits

Author SHA1 Message Date
e649f356be Turn KeepAliveHandler into an asyncio Task 2021-10-07 17:22:32 +01:00
4 changed files with 37 additions and 90 deletions

View File

@ -465,6 +465,7 @@ class Context(discord.abc.Messageable, Generic[BotT]):
kwargs.pop("nonce", None)
kwargs.pop("stickers", None)
kwargs.pop("reference", None)
kwargs.pop("delete_after", None)
kwargs.pop("mention_author", None)
if not (

View File

@ -153,38 +153,38 @@ class GatewayRatelimiter:
await asyncio.sleep(delta)
class KeepAliveHandler(threading.Thread):
def __init__(self, *args: Any, **kwargs: Any) -> None:
ws = kwargs.pop("ws")
interval = kwargs.pop("interval", None)
shard_id = kwargs.pop("shard_id", None)
threading.Thread.__init__(self, *args, **kwargs)
class KeepAliveHandler:
def __init__(self, *, ws: DiscordWebSocket, shard_id: int = None, interval: float = None) -> None:
self.ws: DiscordWebSocket = ws
self._main_thread_id: int = ws.thread_id
self.interval: Optional[float] = interval
self.daemon: bool = True
self.shard_id: Optional[int] = shard_id
self.interval: Optional[float] = interval
self.heartbeat_timeout: float = self.ws._max_heartbeat_timeout
self.msg: str = "Keeping shard ID %s websocket alive with sequence %s."
self.block_msg: str = "Shard ID %s heartbeat blocked for more than %s seconds."
self.behind_msg: str = "Can't keep up, shard ID %s websocket is %.1fs behind."
self._stop_ev: threading.Event = threading.Event()
self._last_ack: float = time.perf_counter()
self._stop_ev: asyncio.Event = asyncio.Event()
self._last_send: float = time.perf_counter()
self._last_recv: float = time.perf_counter()
self._last_ack: float = time.perf_counter()
self.latency: float = float("inf")
self.heartbeat_timeout: float = ws._max_heartbeat_timeout
def run(self) -> None:
while not self._stop_ev.wait(self.interval):
async def run(self) -> None:
while True:
try:
await asyncio.wait_for(self._stop_ev.wait(), timeout=self.interval)
except asyncio.TimeoutError:
pass
else:
return
if self._last_recv + self.heartbeat_timeout < time.perf_counter():
_log.warning(
"Shard ID %s has stopped responding to the gateway. Closing and restarting.", self.shard_id
)
coro = self.ws.close(4000)
f = asyncio.run_coroutine_threadsafe(coro, loop=self.ws.loop)
try:
f.result()
await self.ws.close(4000)
except Exception:
_log.exception("An error occurred while stopping the gateway. Ignoring.")
finally:
@ -193,24 +193,18 @@ class KeepAliveHandler(threading.Thread):
data = self.get_payload()
_log.debug(self.msg, self.shard_id, data["d"])
coro = self.ws.send_heartbeat(data)
f = asyncio.run_coroutine_threadsafe(coro, loop=self.ws.loop)
try:
# block until sending is complete
total = 0
while True:
try:
f.result(10)
await asyncio.wait_for(self.ws.send_heartbeat(data), timeout=10)
break
except concurrent.futures.TimeoutError:
except asyncio.TimeoutError:
total += 10
try:
frame = sys._current_frames()[self._main_thread_id]
except KeyError:
msg = self.block_msg
else:
stack = "".join(traceback.format_stack(frame))
msg = f"{self.block_msg}\nLoop thread traceback (most recent call last):\n{stack}"
stack = "".join(traceback.format_stack())
msg = f"{self.block_msg}\nLoop traceback (most recent call last):\n{stack}"
_log.warning(msg, self.shard_id, total)
except Exception:
@ -225,6 +219,10 @@ class KeepAliveHandler(threading.Thread):
"d": self.ws.sequence, # type: ignore
}
def start(self) -> None:
self.ws.loop.create_task(self.run())
def stop(self) -> None:
self._stop_ev.set()

View File

@ -337,7 +337,7 @@ class Interaction:
self._state.store_view(view, message.id)
return message
async def delete_original_message(self, delay: Optional[float] = None) -> None:
async def delete_original_message(self) -> None:
"""|coro|
Deletes the original interaction response message.
@ -345,14 +345,6 @@ class Interaction:
This is a lower level interface to :meth:`InteractionMessage.delete` in case
you do not want to fetch the message and save an HTTP request.
Parameters
------------
delay: Optional[:class:`float`]
If provided, the number of seconds to wait before deleting the message.
The waiting is done in the background and deletion failures are ignored.
.. versionadded:: 2.0
Raises
-------
HTTPException
@ -360,8 +352,6 @@ class Interaction:
Forbidden
Deleted a message that is not yours.
"""
if delay is not None:
await asyncio.sleep(delay)
adapter = async_context.get()
await adapter.delete_original_interaction_response(
self.application_id,
@ -470,7 +460,6 @@ class InteractionResponse:
view: View = MISSING,
tts: bool = False,
ephemeral: bool = False,
delete_after: Optional[float] = None,
) -> None:
"""|coro|
@ -494,9 +483,6 @@ class InteractionResponse:
Indicates if the message should only be visible to the user who started the interaction.
If a view is sent with an ephemeral message and it has no timeout set then the timeout
is set to 15 minutes.
delete_after: Optional[:class:`float`]
The amount of seconds the bot should wait before deleting the message sent.
.. versionadded:: 2.0
Raises
-------
@ -553,8 +539,6 @@ class InteractionResponse:
self._parent._state.store_view(view)
self.responded_at = utils.utcnow()
if delete_after is not None:
self._parent.delete_original_message(delay=delete_after)
async def edit_message(
self,
@ -749,7 +733,7 @@ class InteractionMessage(Message):
allowed_mentions=allowed_mentions,
)
async def delete(self, *, delay: Optional[float] = None, silent: bool = False) -> None:
async def delete(self, *, delay: Optional[float] = None) -> None:
"""|coro|
Deletes the message.
@ -759,12 +743,6 @@ class InteractionMessage(Message):
delay: Optional[:class:`float`]
If provided, the number of seconds to wait before deleting the message.
The waiting is done in the background and deletion failures are ignored.
silent: :class:`bool`
If silent is set to ``True``, the error will not be raised, it will be ignored.
This defaults to ``False`
.. versionadded:: 2.0
Raises
------
@ -779,15 +757,12 @@ class InteractionMessage(Message):
if delay is not None:
async def inner_call(delay: float = delay):
await asyncio.sleep(delay)
try:
await self._state._interaction.delete_original_message(delay=delay)
await self._state._interaction.delete_original_message()
except HTTPException:
pass
asyncio.create_task(inner_call())
else:
try:
await self._state._interaction.delete_original_message(delay=delay)
except Exception:
if not silent:
raise
await self._state._interaction.delete_original_message()

View File

@ -717,7 +717,7 @@ class WebhookMessage(Message):
allowed_mentions=allowed_mentions,
)
async def delete(self, *, delay: Optional[float] = None, silent: bool = False) -> None:
async def delete(self, *, delay: Optional[float] = None) -> None:
"""|coro|
Deletes the message.
@ -727,12 +727,6 @@ class WebhookMessage(Message):
delay: Optional[:class:`float`]
If provided, the number of seconds to wait before deleting the message.
The waiting is done in the background and deletion failures are ignored.
silent: :class:`bool`
If silent is set to ``True``, the error will not be raised, it will be ignored.
This defaults to ``False`
.. versionadded:: 2.0
Raises
------
@ -747,18 +741,15 @@ class WebhookMessage(Message):
if delay is not None:
async def inner_call(delay: float = delay):
await asyncio.sleep(delay)
try:
await self._state._webhook.delete_message(self.id, delay)
await self._state._webhook.delete_message(self.id)
except HTTPException:
pass
asyncio.create_task(inner_call())
else:
try:
await self._state._webhook.delete_message(self.id, delay)
except Exception:
if not silent:
raise
await self._state._webhook.delete_message(self.id)
class BaseWebhook(Hashable):
@ -1279,7 +1270,6 @@ class Webhook(BaseWebhook):
view: View = MISSING,
thread: Snowflake = MISSING,
wait: bool = False,
delete_after: Optional[float] = None,
) -> Optional[WebhookMessage]:
"""|coro|
@ -1345,11 +1335,6 @@ class Webhook(BaseWebhook):
The thread to send this webhook to.
.. versionadded:: 2.0
delete_after: Optional[:class:`float`]
If provided, the number of seconds to wait before deleting the message.
The waiting is done in the background and deletion failures are ignored.
.. versionadded:: 2.0
Raises
--------
@ -1431,9 +1416,6 @@ class Webhook(BaseWebhook):
if view is not MISSING and not view.is_finished():
message_id = None if msg is None else msg.id
self._state.store_view(view, message_id)
if delete_after is not None and msg is not None:
await msg.delete(delay=delete_after)
return msg
@ -1588,7 +1570,7 @@ class Webhook(BaseWebhook):
self._state.store_view(view, message_id)
return message
async def delete_message(self, message_id: int, delay: Optional[float] = None, /) -> None:
async def delete_message(self, message_id: int, /) -> None:
"""|coro|
Deletes a message owned by this webhook.
@ -1602,12 +1584,6 @@ class Webhook(BaseWebhook):
------------
message_id: :class:`int`
The message ID to delete.
delay: Optional[:class:`float`]
If provided, the number of seconds to wait before deleting the message.
The waiting is done in the background and deletion failures are ignored.
.. versionadded:: 2.0
Raises
-------
@ -1619,9 +1595,6 @@ class Webhook(BaseWebhook):
if self.token is None:
raise InvalidArgument("This webhook does not have a token associated with it")
if delay is not None:
await asyncio.sleep(delay)
adapter = async_context.get()
await adapter.delete_webhook_message(
self.id,