async def ws_event(self):
from mirai.event.external.enums import ExternalEvents
async with aiohttp.ClientSession() as session:
async with session.ws_connect(
f"{self.baseurl}/event?sessionKey={self.session_key}"
) as ws_connection:
while True:
try:
received_data = await ws_connection.receive_json()
except TypeError:
continue
if received_data:
try:
if hasattr(ExternalEvents, received_data['type']):
received_data = \
ExternalEvents[received_data['type']] \
.value \
.parse_obj(received_data)
else:
raise exceptions.UnknownEvent(
f"a unknown event has been received, it's '{received_data['type']}'")
except pydantic.ValidationError:
SessionLogger.error(f"parse failed: {received_data}")
traceback.print_exc()
else:
await self.queue.put(InternalEvent(
name=self.getEventCurrentName(type(received_data)),
body=received_data
))
async def ws_message(self):
async with aiohttp.ClientSession() as session:
async with session.ws_connect(
f"{self.baseurl}/message?sessionKey={self.session_key}"
) as ws_connection:
while True:
try:
received_data = await ws_connection.receive_json()
except TypeError:
continue
if received_data:
NetworkLogger.debug("received", received_data)
try:
received_data[
'messageChain'] = MessageChain.parse_obj(
received_data['messageChain'])
received_data = MessageTypes[
received_data['type']].parse_obj(received_data)
except pydantic.ValidationError:
SessionLogger.error(
f"parse failed: {received_data}")
traceback.print_exc()
else:
await self.queue.put(
InternalEvent(name=self.getEventCurrentName(
type(received_data)),
body=received_data))
async def message_polling(self, count=10):
while True:
await asyncio.sleep(0.5)
try:
result = \
await super().fetchMessage(count)
except pydantic.ValidationError:
continue
last_length = len(result)
latest_result = []
while True:
if last_length == count:
latest_result = await super().fetchMessage(count)
last_length = len(latest_result)
result += latest_result
continue
break
for message_index in range(len(result)):
item = result[message_index]
await self.queue.put(
InternalEvent(
name=self.getEventCurrentName(type(item)),
body=item
)
)
async def warpper(app: "Mirai"):
try:
return await func(app)
except Exception as e:
await self.queue.put(
InternalEvent(name="UnexpectedException",
body=UnexpectedException(error=e,
event=None,
session=self)))
async def throw_exception_event(self, event_context, queue, exception):
if event_context.name != "UnexpectedException":
#print("error: by pre:", event_context.name)
await queue.put(
InternalEvent(name="UnexpectedException",
body=UnexpectedException(error=exception,
event=event_context,
session=self)))
EventLogger.error(
f"threw a exception by {event_context.name}, Exception: {exception}"
)
traceback.print_exc()
else:
EventLogger.critical(
f"threw a exception by {event_context.name}, Exception: {exception}, it's a exception handler."
)
async def put_exception(self, event_context, exception):
from mirai.event.builtins import UnexpectedException
if event_context.name != "UnexpectedException":
if exception.__class__ in self.listening_exceptions:
EventLogger.error(
f"threw a exception by {event_context.name}, Exception: {exception.__class__.__name__}, and it has been catched.")
else:
EventLogger.error(
f"threw a exception by {event_context.name}, Exception: {exception.__class__.__name__}, and it hasn't been catched!")
traceback.print_exc()
await self.queue.put(InternalEvent(
name="UnexpectedException",
body=UnexpectedException(
error=exception,
event=event_context,
application=self
)
))
else:
EventLogger.critical(
f"threw a exception in a exception handler by {event_context.name}, Exception: {exception.__class__.__name__}.")
async def message_polling(self, exit_signal, queue, count=10):
while not exit_signal():
await asyncio.sleep(0.5)
result = \
await super().fetchMessage(count)
last_length = len(result)
latest_result = []
while True:
if last_length == count:
latest_result = await super().fetchMessage(count)
last_length = len(latest_result)
result += latest_result
continue
break
for message_index in range(len(result)):
item = result[message_index]
await queue.put(
InternalEvent(name=self.getEventCurrentName(type(item)),
body=item))
async def ws_event_receiver(self, exit_signal, queue):
await self.checkWebsocket(force=True)
async with aiohttp.ClientSession() as session:
async with session.ws_connect(
f"{self.baseurl}/all?sessionKey={self.session_key}"
) as ws_connection:
while not exit_signal():
try:
received_data = await ws_connection.receive_json()
except TypeError:
if not exit_signal():
continue
else:
break
if received_data:
try:
if received_data['type'] in MessageTypes:
if 'messageChain' in received_data:
received_data['messageChain'] = \
MessageChain.parse_obj(received_data['messageChain'])
received_data = \
MessageTypes[received_data['type']].parse_obj(received_data)
elif hasattr(ExternalEvents,
received_data['type']):
# 判断当前项是否为 Event
received_data = \
ExternalEvents[received_data['type']]\
.value\
.parse_obj(received_data)
except pydantic.ValidationError:
SessionLogger.error(
f"parse failed: {received_data}")
traceback.print_exc()
else:
await queue.put(
InternalEvent(name=self.getEventCurrentName(
type(received_data)),
body=received_data))
def run(self, loop=None, no_polling=False, no_forever=False):
self.checkEventBodyAnnotations()
self.checkEventDependencies()
loop = loop or asyncio.get_event_loop()
self.queue = asyncio.Queue(loop=loop)
exit_signal = False
loop.run_until_complete(self.enable_session())
if not no_polling:
# check ws status
if self.useWebsocket:
SessionLogger.info("event receive method: websocket")
else:
SessionLogger.info("event receive method: http polling")
result = loop.run_until_complete(self.checkWebsocket())
if not result: # we can use http, not ws.
# should use http, but we can change it.
if self.useWebsocket:
SessionLogger.warning(
"catched wrong config: enableWebsocket=false, we will modify it."
)
loop.run_until_complete(
self.setConfig(enableWebsocket=True))
loop.create_task(self.ws_event())
loop.create_task(self.ws_message())
else:
loop.create_task(self.message_polling())
else: # we can use websocket, it's fine
if self.useWebsocket:
loop.create_task(self.ws_event())
loop.create_task(self.ws_message())
else:
SessionLogger.warning(
"catched wrong config: enableWebsocket=true, we will modify it."
)
loop.run_until_complete(
self.setConfig(enableWebsocket=False))
loop.create_task(self.message_polling())
loop.create_task(self.event_runner())
loop.run_until_complete(
self.queue.put(
InternalEvent(
name=self.getEventCurrentName("AppInitEvent"),
body={})))
if not no_forever:
for i in self.subroutines:
loop.create_task(i(self))
try:
for start_callable in self.lifecycle['start']:
loop.run_until_complete(self.run_func(start_callable, self))
for around_callable in self.lifecycle['around']:
loop.run_until_complete(self.run_func(around_callable, self))
loop.run_forever()
except KeyboardInterrupt:
SessionLogger.info("catched Ctrl-C, exiting..")
except Exception as e:
traceback.print_exc()
finally:
for around_callable in self.lifecycle['around']:
loop.run_until_complete(self.run_func(around_callable, self))
for end_callable in self.lifecycle['end']:
loop.run_until_complete(self.run_func(end_callable, self))
loop.run_until_complete(self.release())