mirror of
https://github.com/langbot-app/LangBot.git
synced 2026-06-04 04:54:36 +00:00
d9378c3a88
* feat: Support WebSocket mode and enhance message processing capabilities * feat: add steam * feat: enhance QQOfficialClient and QQOfficialAdapter with improved logging and stream context management
838 lines
32 KiB
Python
838 lines
32 KiB
Python
import re
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import time
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import asyncio
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from quart import request
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import httpx
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from quart import Quart
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from typing import Callable, Dict, Any, Optional
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import langbot_plugin.api.entities.builtin.platform.events as platform_events
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from .qqofficialevent import QQOfficialEvent
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import json
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import traceback
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from cryptography.hazmat.primitives.asymmetric import ed25519
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class QQOfficialClient:
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def __init__(self, secret: str, token: str, app_id: str, logger: None, unified_mode: bool = False):
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self.unified_mode = unified_mode
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self.app = Quart(__name__)
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# 只有在非统一模式下才注册独立路由
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if not self.unified_mode:
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self.app.add_url_rule(
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'/callback/command',
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'handle_callback',
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self.handle_callback_request,
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methods=['GET', 'POST'],
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)
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self.secret = secret
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self.token = token
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self.app_id = app_id
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self._message_handlers = {}
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self.base_url = 'https://api.sgroup.qq.com'
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self.access_token = ''
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self.access_token_expiry_time = None
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self.logger = logger
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self._msg_seq_counter = 0
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self._token_refresh_task: Optional[asyncio.Task] = None
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async def check_access_token(self):
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"""检查access_token是否存在"""
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if not self.access_token or await self.is_token_expired():
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return False
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return bool(self.access_token and self.access_token.strip())
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async def get_access_token(self):
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"""获取access_token"""
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url = 'https://bots.qq.com/app/getAppAccessToken'
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async with httpx.AsyncClient() as client:
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params = {
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'appId': self.app_id,
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'clientSecret': self.secret,
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}
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headers = {
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'content-type': 'application/json',
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}
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response = await client.post(url, json=params, headers=headers)
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if response.status_code != 200:
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raise Exception(f'Failed to get access_token: HTTP {response.status_code} {response.text}')
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response_data = response.json()
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access_token = response_data.get('access_token')
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expires_in = int(response_data.get('expires_in', 7200))
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self.access_token_expiry_time = time.time() + expires_in - 60
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if access_token:
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self.access_token = access_token
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await self.logger.info(f'access_token obtained, expires_in={expires_in}s')
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else:
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raise Exception('Failed to get access_token: no access_token in response')
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async def handle_callback_request(self):
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"""处理回调请求（独立端口模式，使用全局 request）"""
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return await self._handle_callback_internal(request)
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async def handle_unified_webhook(self, req):
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"""处理回调请求（统一 webhook 模式，显式传递 request）。
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Args:
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req: Quart Request 对象
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Returns:
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响应数据
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"""
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return await self._handle_callback_internal(req)
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async def _handle_callback_internal(self, req):
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"""处理回调请求的内部实现。
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Args:
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req: Quart Request 对象
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"""
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try:
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body = await req.get_data()
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await self.logger.info(f'Received request, body length: {len(body)}')
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if not body or len(body) == 0:
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await self.logger.info('Received empty body, might be health check or GET request')
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return {'code': 0, 'message': 'ok'}, 200
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payload = json.loads(body)
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if payload.get('op') == 13:
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validation_data = payload.get('d')
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if not validation_data:
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return {'error': "missing 'd' field"}, 400
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response = await self.verify(validation_data)
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return response, 200
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if payload.get('op') == 0:
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message_data = await self.get_message(payload)
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if message_data:
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event = QQOfficialEvent.from_payload(message_data)
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await self._handle_message(event)
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return {'code': 0, 'message': 'success'}
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except Exception as e:
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await self.logger.error(f'Error in handle_callback_request: {traceback.format_exc()}')
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return {'error': str(e)}, 400
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async def run_task(self, host: str, port: int, *args, **kwargs):
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"""启动 Quart 应用"""
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await self.app.run_task(host=host, port=port, *args, **kwargs)
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def on_message(self, msg_type: str):
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"""注册消息类型处理器"""
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def decorator(func: Callable[[platform_events.Event], None]):
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if msg_type not in self._message_handlers:
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self._message_handlers[msg_type] = []
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self._message_handlers[msg_type].append(func)
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return func
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return decorator
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async def _handle_message(self, event: QQOfficialEvent):
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"""处理消息事件"""
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msg_type = event.t
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if msg_type in self._message_handlers:
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for handler in self._message_handlers[msg_type]:
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await handler(event)
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async def get_message(self, msg: dict) -> Dict[str, Any]:
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"""获取消息"""
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d = msg.get('d', {})
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if not isinstance(d, dict):
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return {}
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message_data = {
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't': msg.get('t', {}),
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'user_openid': d.get('author', {}).get('user_openid', {}),
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'timestamp': d.get('timestamp', {}),
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'd_author_id': d.get('author', {}).get('id', {}),
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'content': d.get('content', {}),
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'd_id': d.get('id', {}),
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'id': msg.get('id', {}),
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'channel_id': d.get('channel_id', {}),
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'username': d.get('author', {}).get('username', {}),
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'guild_id': d.get('guild_id', {}),
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'member_openid': d.get('author', {}).get('openid', {}),
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'group_openid': d.get('group_openid', {}),
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}
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attachments = d.get('attachments', [])
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image_attachments = [attachment['url'] for attachment in attachments if await self.is_image(attachment)]
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image_attachments_type = [
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attachment['content_type'] for attachment in attachments if await self.is_image(attachment)
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]
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if image_attachments:
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message_data['image_attachments'] = image_attachments[0]
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message_data['content_type'] = image_attachments_type[0]
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else:
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message_data['image_attachments'] = None
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return message_data
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async def is_image(self, attachment: dict) -> bool:
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"""判断是否为图片附件"""
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content_type = attachment.get('content_type', '')
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return content_type.startswith('image/')
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async def send_private_text_msg(self, user_openid: str, content: str, msg_id: str):
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"""发送私聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + '/v2/users/' + user_openid + '/messages'
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async with httpx.AsyncClient() as client:
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headers = {
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'Authorization': f'QQBot {self.access_token}',
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'Content-Type': 'application/json',
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}
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data = {
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'content': content,
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'msg_type': 0,
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'msg_id': msg_id,
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}
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response = await client.post(url, headers=headers, json=data)
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response_data = response.json()
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if response.status_code == 200:
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return
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else:
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await self.logger.error(f'Failed to send private message: {response_data}')
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raise ValueError(response)
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async def send_group_text_msg(self, group_openid: str, content: str, msg_id: str):
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"""发送群聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + '/v2/groups/' + group_openid + '/messages'
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async with httpx.AsyncClient() as client:
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headers = {
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'Authorization': f'QQBot {self.access_token}',
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'Content-Type': 'application/json',
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}
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data = {
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'content': content,
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'msg_type': 0,
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'msg_id': msg_id,
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}
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response = await client.post(url, headers=headers, json=data)
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if response.status_code == 200:
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return
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else:
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await self.logger.error(f'Failed to send group message: {response.json()}')
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raise Exception(response.read().decode())
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async def send_channle_group_text_msg(self, channel_id: str, content: str, msg_id: str):
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"""发送频道群聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + '/channels/' + channel_id + '/messages'
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async with httpx.AsyncClient() as client:
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headers = {
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'Authorization': f'QQBot {self.access_token}',
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'Content-Type': 'application/json',
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}
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params = {
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'content': content,
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'msg_type': 0,
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'msg_id': msg_id,
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}
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response = await client.post(url, headers=headers, json=params)
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if response.status_code == 200:
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return True
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else:
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await self.logger.error(f'Failed to send channel group message: {response.json()}')
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raise Exception(response)
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async def send_channle_private_text_msg(self, guild_id: str, content: str, msg_id: str):
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"""发送频道私聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + '/dms/' + guild_id + '/messages'
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async with httpx.AsyncClient() as client:
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headers = {
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'Authorization': f'QQBot {self.access_token}',
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'Content-Type': 'application/json',
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}
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params = {
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'content': content,
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'msg_type': 0,
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'msg_id': msg_id,
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}
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response = await client.post(url, headers=headers, json=params)
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if response.status_code == 200:
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return True
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else:
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await self.logger.error(f'Failed to send channel private message: {response.json()}')
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raise Exception(response)
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# ---- 富媒体消息 ----
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# 媒体文件类型
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MEDIA_TYPE_IMAGE = 1
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MEDIA_TYPE_VIDEO = 2
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MEDIA_TYPE_VOICE = 3
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MEDIA_TYPE_FILE = 4
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async def upload_media(
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self,
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target_type: str,
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target_id: str,
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file_type: int,
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file_url: str = None,
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file_data: str = None,
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file_name: str = None,
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) -> str:
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"""上传媒体文件，返回 file_info。
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Args:
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target_type: 'c2c' | 'group'
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target_id: 用户 openid 或群 openid
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file_type: 1=图片, 2=视频, 3=语音, 4=文件
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file_url: 在线 URL（与 file_data 二选一）
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file_data: base64 编码的文件数据或 data URL（与 file_url 二选一）
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file_name: 文件名（file_type=4 时必填）
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"""
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if not await self.check_access_token():
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await self.get_access_token()
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if target_type == 'c2c':
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url = f'{self.base_url}/v2/users/{target_id}/files'
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elif target_type == 'group':
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url = f'{self.base_url}/v2/groups/{target_id}/files'
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else:
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raise ValueError(f'Unsupported target_type: {target_type}')
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body = {
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'file_type': file_type,
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'srv_send_msg': False,
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}
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if file_url:
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body['url'] = file_url
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elif file_data:
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# 处理 data URL 格式: data:image/png;base64,xxxxx
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if file_data.startswith('data:'):
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match = re.match(r'^data:[^;]+;base64,(.+)$', file_data, re.DOTALL)
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if match:
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body['file_data'] = match.group(1)
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else:
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body['file_data'] = file_data
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else:
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body['file_data'] = file_data
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else:
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raise ValueError('file_url or file_data is required')
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if file_type == self.MEDIA_TYPE_FILE and file_name:
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body['file_name'] = file_name
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async with httpx.AsyncClient(timeout=120) as client:
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headers = {
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'Authorization': f'QQBot {self.access_token}',
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'Content-Type': 'application/json',
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}
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response = await client.post(url, headers=headers, json=body)
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if response.status_code == 200:
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data = response.json()
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file_info = data.get('file_info', '')
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preview = file_info[:80] + '...' if len(file_info) > 80 else file_info
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await self.logger.info(f'Upload media success, file_info={preview}')
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return file_info
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else:
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raise Exception(f'Failed to upload media: HTTP {response.status_code} {response.text}')
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async def _send_media_msg(
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self,
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target_type: str,
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target_id: str,
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file_info: str,
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msg_id: str = None,
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content: str = None,
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):
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"""发送富媒体消息（msg_type=7）"""
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if not await self.check_access_token():
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await self.get_access_token()
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if target_type == 'c2c':
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url = f'{self.base_url}/v2/users/{target_id}/messages'
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elif target_type == 'group':
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url = f'{self.base_url}/v2/groups/{target_id}/messages'
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else:
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raise ValueError(f'Unsupported target_type: {target_type}')
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self._msg_seq_counter += 1
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msg_seq = self._msg_seq_counter
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body = {
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'msg_type': 7,
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'media': {'file_info': file_info},
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'msg_seq': msg_seq,
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}
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if content:
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body['content'] = content
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if msg_id:
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body['msg_id'] = msg_id
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async with httpx.AsyncClient(timeout=120) as client:
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headers = {
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'Authorization': f'QQBot {self.access_token}',
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'Content-Type': 'application/json',
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}
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await self.logger.info(f'Sending rich media: {json.dumps(body, ensure_ascii=False)[:200]}')
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response = await client.post(url, headers=headers, json=body)
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if response.status_code != 200:
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raise Exception(f'Failed to send rich media message: HTTP {response.status_code} {response.text}')
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async def send_image_msg(
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self,
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target_type: str,
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target_id: str,
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file_url: str = None,
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file_data: str = None,
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msg_id: str = None,
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content: str = None,
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):
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"""发送图片消息"""
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file_info = await self.upload_media(
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target_type,
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target_id,
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self.MEDIA_TYPE_IMAGE,
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file_url=file_url,
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file_data=file_data,
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)
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await self._send_media_msg(target_type, target_id, file_info, msg_id, content)
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async def send_voice_msg(
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self,
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target_type: str,
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target_id: str,
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file_url: str = None,
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file_data: str = None,
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msg_id: str = None,
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):
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"""发送语音消息"""
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file_info = await self.upload_media(
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target_type,
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target_id,
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self.MEDIA_TYPE_VOICE,
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file_url=file_url,
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file_data=file_data,
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)
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await self._send_media_msg(target_type, target_id, file_info, msg_id)
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async def send_file_msg(
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self,
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target_type: str,
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target_id: str,
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file_url: str = None,
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file_data: str = None,
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file_name: str = None,
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msg_id: str = None,
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):
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"""发送文件消息（含视频）"""
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file_info = await self.upload_media(
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target_type,
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target_id,
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self.MEDIA_TYPE_FILE,
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file_url=file_url,
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file_data=file_data,
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file_name=file_name,
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)
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await self._send_media_msg(target_type, target_id, file_info, msg_id)
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async def send_stream_msg(
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self,
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user_openid: str,
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content: str,
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event_id: str,
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msg_id: str,
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msg_seq: int = 1,
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index: int = 0,
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stream_msg_id: str = None,
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input_state: int = 1,
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):
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"""发送流式消息（C2C 私聊）。
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Args:
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input_state: 1=生成中, 10=生成结束
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"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = f'{self.base_url}/v2/users/{user_openid}/stream_messages'
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body = {
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'input_mode': 'replace',
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'input_state': input_state,
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'content_type': 'markdown',
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'content_raw': content,
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'event_id': event_id,
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'msg_id': msg_id,
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'msg_seq': msg_seq,
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'index': index,
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}
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if stream_msg_id:
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body['stream_msg_id'] = stream_msg_id
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async with httpx.AsyncClient(timeout=120) as client:
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headers = {
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'Authorization': f'QQBot {self.access_token}',
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'Content-Type': 'application/json',
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}
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response = await client.post(url, headers=headers, json=body)
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||
if response.status_code != 200:
|
||
raise Exception(f'Failed to send stream message: HTTP {response.status_code} {response.text}')
|
||
return response.json()
|
||
|
||
async def is_token_expired(self):
|
||
"""检查token是否过期"""
|
||
if self.access_token_expiry_time is None:
|
||
return True
|
||
return time.time() > self.access_token_expiry_time
|
||
|
||
async def repeat_seed(self, bot_secret: str, target_size: int = 32) -> bytes:
|
||
seed = bot_secret
|
||
while len(seed) < target_size:
|
||
seed *= 2
|
||
return seed[:target_size].encode('utf-8')
|
||
|
||
async def verify(self, validation_payload: dict):
|
||
seed = await self.repeat_seed(self.secret)
|
||
private_key = ed25519.Ed25519PrivateKey.from_private_bytes(seed)
|
||
|
||
event_ts = validation_payload.get('event_ts', '')
|
||
plain_token = validation_payload.get('plain_token', '')
|
||
msg = event_ts + plain_token
|
||
|
||
# sign
|
||
signature = private_key.sign(msg.encode()).hex()
|
||
|
||
response = {
|
||
'plain_token': plain_token,
|
||
'signature': signature,
|
||
}
|
||
return response
|
||
|
||
# ---- WebSocket Gateway ----
|
||
# Reference: https://bot.q.qq.com/wiki/develop/api-v2/dev-prepare/interface-framework/event-emit.html
|
||
|
||
INTENT_GUILDS = 1 << 0
|
||
INTENT_GUILD_MEMBERS = 1 << 1
|
||
INTENT_PUBLIC_GUILD_MESSAGES = 1 << 30
|
||
INTENT_DIRECT_MESSAGE = 1 << 12
|
||
INTENT_GROUP_AND_C2C = 1 << 25
|
||
INTENT_INTERACTION = 1 << 26
|
||
|
||
FULL_INTENTS = (
|
||
INTENT_GUILDS
|
||
| INTENT_GUILD_MEMBERS
|
||
| INTENT_PUBLIC_GUILD_MESSAGES
|
||
| INTENT_DIRECT_MESSAGE
|
||
| INTENT_GROUP_AND_C2C
|
||
| INTENT_INTERACTION
|
||
)
|
||
|
||
async def get_gateway_url(self) -> str:
|
||
"""获取 WebSocket 网关地址"""
|
||
if not await self.check_access_token():
|
||
await self.get_access_token()
|
||
|
||
url = f'{self.base_url}/gateway'
|
||
async with httpx.AsyncClient() as client:
|
||
headers = {
|
||
'Authorization': f'QQBot {self.access_token}',
|
||
}
|
||
response = await client.get(url, headers=headers)
|
||
if response.status_code == 200:
|
||
data = response.json()
|
||
ws_url = data.get('url', '')
|
||
if not ws_url:
|
||
raise Exception('Gateway URL is empty')
|
||
return ws_url
|
||
else:
|
||
raise Exception(f'Failed to get Gateway URL: HTTP {response.status_code} {response.text}')
|
||
|
||
async def _background_token_refresh(self):
|
||
"""在 token 到期前主动刷新"""
|
||
try:
|
||
while True:
|
||
if self.access_token_expiry_time:
|
||
remain = self.access_token_expiry_time - time.time()
|
||
if remain > 120:
|
||
await asyncio.sleep(remain - 60)
|
||
continue
|
||
self.access_token = ''
|
||
self.access_token_expiry_time = None
|
||
if await self.check_access_token():
|
||
await asyncio.sleep(60)
|
||
else:
|
||
await self.get_access_token()
|
||
await asyncio.sleep(60)
|
||
except asyncio.CancelledError:
|
||
pass
|
||
|
||
async def connect_gateway(
|
||
self,
|
||
on_event: Callable[[str, dict], Any],
|
||
on_ready: Optional[Callable[[], Any]] = None,
|
||
on_error: Optional[Callable[[Exception], Any]] = None,
|
||
):
|
||
"""WebSocket 网关连接，含重连逻辑。持续重连直到达到最大次数或被取消。
|
||
|
||
Args:
|
||
on_event: 收到 op=0 Dispatch 事件时的回调，参数为 (event_type, event_data)
|
||
on_ready: 连接就绪 (收到 READY) 时的回调
|
||
on_error: 发生错误时的回调
|
||
"""
|
||
import websockets
|
||
|
||
session_id = ''
|
||
last_seq = 0
|
||
reconnect_attempts = 0
|
||
max_reconnect_attempts = 100
|
||
backoff_delays = [1, 2, 5, 10, 30, 60]
|
||
rate_limit_delay = 60
|
||
|
||
# Cancel previous token refresh task if any
|
||
if self._token_refresh_task and not self._token_refresh_task.done():
|
||
self._token_refresh_task.cancel()
|
||
try:
|
||
await self._token_refresh_task
|
||
except asyncio.CancelledError:
|
||
pass
|
||
self._token_refresh_task = None
|
||
|
||
while reconnect_attempts <= max_reconnect_attempts:
|
||
heartbeat_interval = 45000
|
||
should_refresh_token = False
|
||
ws = None
|
||
heartbeat_task = None
|
||
|
||
# Refresh token if needed
|
||
if should_refresh_token:
|
||
self.access_token = ''
|
||
self.access_token_expiry_time = None
|
||
|
||
try:
|
||
ws_url = await self.get_gateway_url()
|
||
await self.logger.info(f'Gateway URL obtained: {ws_url[:60]}...')
|
||
except Exception as e:
|
||
error_msg = str(e)
|
||
await self.logger.error(f'Failed to get gateway URL: {e}')
|
||
reconnect_attempts += 1
|
||
if '100017' in error_msg or '频率' in error_msg or 'Too many' in error_msg:
|
||
delay = rate_limit_delay
|
||
else:
|
||
delay = backoff_delays[min(reconnect_attempts - 1, len(backoff_delays) - 1)]
|
||
await self.logger.info(f'Reconnecting in {delay}s (attempt {reconnect_attempts})')
|
||
await asyncio.sleep(delay)
|
||
continue
|
||
|
||
try:
|
||
await self.logger.info('Connecting to WebSocket gateway...')
|
||
ws = await websockets.connect(ws_url)
|
||
await self.logger.info('WebSocket connected')
|
||
except Exception as e:
|
||
await self.logger.error(f'WebSocket connection failed: {e}')
|
||
reconnect_attempts += 1
|
||
delay = backoff_delays[min(reconnect_attempts - 1, len(backoff_delays) - 1)]
|
||
await self.logger.info(f'Reconnecting in {delay}s (attempt {reconnect_attempts})')
|
||
await asyncio.sleep(delay)
|
||
continue
|
||
|
||
try:
|
||
async for raw_msg in ws:
|
||
try:
|
||
payload = json.loads(raw_msg)
|
||
except json.JSONDecodeError:
|
||
await self.logger.error(f'Failed to parse message: {raw_msg}')
|
||
continue
|
||
|
||
op = payload.get('op')
|
||
d = payload.get('d', {})
|
||
s = payload.get('s')
|
||
t = payload.get('t')
|
||
|
||
if not isinstance(d, dict):
|
||
d = {}
|
||
|
||
if op == 10: # Hello
|
||
heartbeat_interval = d.get('heartbeat_interval', 45000)
|
||
await self.logger.info(f'Received Hello, heartbeat_interval={heartbeat_interval}ms')
|
||
|
||
# Send Identify or Resume
|
||
if session_id and last_seq > 0:
|
||
resume_payload = {
|
||
'op': 6,
|
||
'd': {
|
||
'token': f'QQBot {self.access_token}',
|
||
'session_id': session_id,
|
||
'seq': last_seq,
|
||
},
|
||
}
|
||
await ws.send(json.dumps(resume_payload))
|
||
await self.logger.info(f'Sent Resume, session_id={session_id}, seq={last_seq}')
|
||
else:
|
||
identify_payload = {
|
||
'op': 2,
|
||
'd': {
|
||
'token': f'QQBot {self.access_token}',
|
||
'intents': self.FULL_INTENTS,
|
||
'shard': [0, 1],
|
||
},
|
||
}
|
||
await ws.send(json.dumps(identify_payload))
|
||
await self.logger.info(f'Sent Identify, intents={self.FULL_INTENTS}')
|
||
|
||
# Start heartbeat
|
||
async def _heartbeat_loop(conn, interval_ms):
|
||
interval_sec = interval_ms / 1000.0
|
||
try:
|
||
while True:
|
||
await asyncio.sleep(interval_sec)
|
||
try:
|
||
hb_payload = {'op': 1, 'd': last_seq}
|
||
await conn.send(json.dumps(hb_payload))
|
||
except Exception:
|
||
break
|
||
except asyncio.CancelledError:
|
||
pass
|
||
|
||
heartbeat_task = asyncio.create_task(_heartbeat_loop(ws, heartbeat_interval))
|
||
|
||
elif op == 0: # Dispatch
|
||
if s is not None:
|
||
last_seq = s
|
||
|
||
if t == 'READY':
|
||
session_id = d.get('session_id', '')
|
||
reconnect_attempts = 0
|
||
await self.logger.info(f'READY, session_id={session_id}')
|
||
if on_ready:
|
||
try:
|
||
result = on_ready()
|
||
if asyncio.iscoroutine(result):
|
||
await result
|
||
except Exception:
|
||
pass
|
||
# Track token refresh task to avoid leaks
|
||
if self._token_refresh_task and not self._token_refresh_task.done():
|
||
self._token_refresh_task.cancel()
|
||
try:
|
||
await self._token_refresh_task
|
||
except asyncio.CancelledError:
|
||
pass
|
||
self._token_refresh_task = asyncio.create_task(self._background_token_refresh())
|
||
|
||
elif t == 'RESUMED':
|
||
reconnect_attempts = 0
|
||
await self.logger.info('RESUMED')
|
||
|
||
else:
|
||
await self.logger.debug(f'Received event: {t}, seq={s}')
|
||
if on_event:
|
||
try:
|
||
result = on_event(t, d)
|
||
if asyncio.iscoroutine(result):
|
||
await result
|
||
except Exception:
|
||
await self.logger.error(f'Error handling event {t}: {traceback.format_exc()}')
|
||
|
||
elif op == 11: # Heartbeat ACK
|
||
pass
|
||
|
||
elif op == 7: # Reconnect
|
||
await self.logger.info('Received Reconnect directive')
|
||
break
|
||
|
||
elif op == 9: # Invalid Session
|
||
can_resume = d.get('can_resume', False)
|
||
await self.logger.warning(f'Invalid Session, can_resume={can_resume}')
|
||
if not can_resume:
|
||
session_id = ''
|
||
last_seq = 0
|
||
should_refresh_token = True
|
||
break
|
||
|
||
# Connection closed normally (end of async for)
|
||
try:
|
||
close_code = ws.close_code
|
||
close_reason = ws.close_reason or ''
|
||
except Exception:
|
||
close_code = None
|
||
close_reason = ''
|
||
await self.logger.info(f'Connection closed, code={close_code}, reason={close_reason}')
|
||
|
||
if close_code == 4004:
|
||
should_refresh_token = True
|
||
elif close_code in (4006, 4007, 4009):
|
||
session_id = ''
|
||
last_seq = 0
|
||
should_refresh_token = True
|
||
elif close_code == 4008:
|
||
reconnect_attempts += 1
|
||
delay = rate_limit_delay
|
||
await self.logger.info(
|
||
f'Rate limited, waiting {delay}s before reconnect (attempt {reconnect_attempts})'
|
||
)
|
||
await asyncio.sleep(delay)
|
||
continue
|
||
elif close_code in (4914, 4915):
|
||
err = Exception(f'Bot disconnected/banned (close_code={close_code})')
|
||
if on_error:
|
||
await self._safe_callback(on_error, err)
|
||
return
|
||
elif close_code in (4900, 4901, 4902, 4903, 4904, 4905, 4906, 4907, 4908, 4909, 4910, 4911, 4912, 4913):
|
||
session_id = ''
|
||
last_seq = 0
|
||
|
||
if close_code == 1000:
|
||
return
|
||
|
||
except asyncio.CancelledError:
|
||
raise
|
||
except Exception:
|
||
await self.logger.error(f'Unexpected error in WebSocket loop: {traceback.format_exc()}')
|
||
finally:
|
||
if heartbeat_task:
|
||
heartbeat_task.cancel()
|
||
try:
|
||
await heartbeat_task
|
||
except asyncio.CancelledError:
|
||
pass
|
||
if ws:
|
||
try:
|
||
await ws.close()
|
||
except Exception:
|
||
pass
|
||
|
||
# If we reach here, we need to reconnect
|
||
reconnect_attempts += 1
|
||
if reconnect_attempts > max_reconnect_attempts:
|
||
await self.logger.error(f'Max reconnect attempts ({max_reconnect_attempts}) reached, stopping')
|
||
if on_error:
|
||
await self._safe_callback(on_error, Exception('Max reconnect attempts reached'))
|
||
return
|
||
delay = backoff_delays[min(reconnect_attempts - 1, len(backoff_delays) - 1)]
|
||
await self.logger.info(f'Reconnecting in {delay}s (attempt {reconnect_attempts})')
|
||
await asyncio.sleep(delay)
|
||
|
||
async def _safe_callback(self, callback, *args):
|
||
"""Safely invoke a callback, handling both sync and async functions."""
|
||
try:
|
||
result = callback(*args)
|
||
if asyncio.iscoroutine(result):
|
||
await result
|
||
except Exception:
|
||
pass
|
||
|
||
async def connect_gateway_loop(
|
||
self,
|
||
on_event: Callable[[str, dict], Any],
|
||
on_ready: Optional[Callable[[], Any]] = None,
|
||
on_error: Optional[Callable[[Exception], Any]] = None,
|
||
):
|
||
"""持续重连的网关循环。"""
|
||
await self.connect_gateway(on_event, on_ready, on_error)
|