306 lines
12 KiB
Python
306 lines
12 KiB
Python
import asyncio
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import json
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import inspect
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import websockets as Server
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from . import event_types, CONSTS, event_handlers
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from typing import List
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from src.plugin_system import BasePlugin, BaseEventHandler, register_plugin, EventType, ConfigField
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from src.plugin_system.base.base_event import HandlerResult
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from src.plugin_system.core.event_manager import event_manager
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from src.common.logger import get_logger
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from .src.message_chunker import chunker, reassembler
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from .src.recv_handler.message_handler import message_handler
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from .src.recv_handler.meta_event_handler import meta_event_handler
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from .src.recv_handler.notice_handler import notice_handler
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from .src.recv_handler.message_sending import message_send_instance
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from .src.send_handler import send_handler
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from .src.config import global_config
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from .src.config.features_config import features_manager
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from .src.config.migrate_features import auto_migrate_features
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from .src.mmc_com_layer import mmc_start_com, router, mmc_stop_com
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from .src.response_pool import put_response, check_timeout_response
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from .src.websocket_manager import websocket_manager
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logger = get_logger("napcat_adapter")
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message_queue = asyncio.Queue()
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def get_classes_in_module(module):
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classes = []
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for name, member in inspect.getmembers(module):
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if inspect.isclass(member):
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classes.append(member)
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return classes
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async def message_recv(server_connection: Server.ServerConnection):
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await message_handler.set_server_connection(server_connection)
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asyncio.create_task(notice_handler.set_server_connection(server_connection))
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await send_handler.set_server_connection(server_connection)
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async for raw_message in server_connection:
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logger.debug(f"{raw_message[:1500]}..." if (len(raw_message) > 1500) else raw_message)
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decoded_raw_message: dict = json.loads(raw_message)
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try:
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# 首先尝试解析原始消息
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decoded_raw_message: dict = json.loads(raw_message)
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# 检查是否是切片消息 (来自 MMC)
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if chunker.is_chunk_message(decoded_raw_message):
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logger.debug("接收到切片消息，尝试重组")
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# 尝试重组消息
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reassembled_message = await reassembler.add_chunk(decoded_raw_message)
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if reassembled_message:
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# 重组完成，处理完整消息
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logger.debug("消息重组完成，处理完整消息")
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decoded_raw_message = reassembled_message
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else:
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# 切片尚未完整，继续等待更多切片
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logger.debug("等待更多切片...")
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continue
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# 处理完整消息（可能是重组后的，也可能是原本就完整的）
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post_type = decoded_raw_message.get("post_type")
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if post_type in ["meta_event", "message", "notice"]:
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await message_queue.put(decoded_raw_message)
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elif post_type is None:
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await put_response(decoded_raw_message)
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except json.JSONDecodeError as e:
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logger.error(f"消息解析失败: {e}")
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logger.debug(f"原始消息: {raw_message[:500]}...")
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except Exception as e:
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logger.error(f"处理消息时出错: {e}")
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logger.debug(f"原始消息: {raw_message[:500]}...")
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async def message_process():
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"""消息处理主循环"""
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logger.info("消息处理器已启动")
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try:
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while True:
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try:
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# 使用超时等待，以便能够响应取消请求
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message = await asyncio.wait_for(message_queue.get(), timeout=1.0)
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post_type = message.get("post_type")
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if post_type == "message":
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await message_handler.handle_raw_message(message)
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elif post_type == "meta_event":
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await meta_event_handler.handle_meta_event(message)
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elif post_type == "notice":
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await notice_handler.handle_notice(message)
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else:
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logger.warning(f"未知的post_type: {post_type}")
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message_queue.task_done()
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await asyncio.sleep(0.05)
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except asyncio.TimeoutError:
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# 超时是正常的，继续循环
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continue
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except asyncio.CancelledError:
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logger.info("消息处理器收到取消信号")
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break
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except Exception as e:
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logger.error(f"处理消息时出错: {e}")
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# 即使出错也标记任务完成，避免队列阻塞
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try:
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message_queue.task_done()
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except ValueError:
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pass
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await asyncio.sleep(0.1)
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except asyncio.CancelledError:
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logger.info("消息处理器已停止")
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raise
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except Exception as e:
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logger.error(f"消息处理器异常: {e}")
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raise
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finally:
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logger.info("消息处理器正在清理...")
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# 清空剩余的队列项目
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try:
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while not message_queue.empty():
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try:
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message_queue.get_nowait()
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message_queue.task_done()
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except asyncio.QueueEmpty:
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break
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except Exception as e:
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logger.debug(f"清理消息队列时出错: {e}")
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async def napcat_server():
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"""启动 Napcat WebSocket 连接（支持正向和反向连接）"""
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mode = global_config.napcat_server.mode
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logger.info(f"正在启动 adapter，连接模式: {mode}")
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try:
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await websocket_manager.start_connection(message_recv)
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except Exception as e:
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logger.error(f"启动 WebSocket 连接失败: {e}")
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raise
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async def graceful_shutdown():
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"""优雅关闭所有组件"""
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try:
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logger.info("正在关闭adapter...")
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# 停止消息重组器的清理任务
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try:
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await reassembler.stop_cleanup_task()
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except Exception as e:
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logger.warning(f"停止消息重组器清理任务时出错: {e}")
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# 停止功能管理器文件监控
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try:
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await features_manager.stop_file_watcher()
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except Exception as e:
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logger.warning(f"停止功能管理器文件监控时出错: {e}")
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# 关闭消息处理器（包括消息缓冲器）
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try:
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await message_handler.shutdown()
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except Exception as e:
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logger.warning(f"关闭消息处理器时出错: {e}")
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# 关闭 WebSocket 连接
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try:
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await websocket_manager.stop_connection()
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except Exception as e:
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logger.warning(f"关闭WebSocket连接时出错: {e}")
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# 关闭 MaiBot 连接
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try:
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await mmc_stop_com()
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except Exception as e:
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logger.warning(f"关闭MaiBot连接时出错: {e}")
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# 取消所有剩余任务
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current_task = asyncio.current_task()
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tasks = [t for t in asyncio.all_tasks() if t is not current_task and not t.done()]
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if tasks:
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logger.info(f"正在取消 {len(tasks)} 个剩余任务...")
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for task in tasks:
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task.cancel()
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# 等待任务取消完成，忽略 CancelledError
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try:
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await asyncio.wait_for(
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asyncio.gather(*tasks, return_exceptions=True),
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timeout=10
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)
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except asyncio.TimeoutError:
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logger.warning("部分任务取消超时")
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except Exception as e:
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logger.debug(f"任务取消过程中的异常（可忽略）: {e}")
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logger.info("Adapter已成功关闭")
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except Exception as e:
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logger.error(f"Adapter关闭中出现错误: {e}")
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finally:
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# 确保消息队列被清空
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try:
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while not message_queue.empty():
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try:
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message_queue.get_nowait()
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message_queue.task_done()
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except asyncio.QueueEmpty:
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break
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except Exception:
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pass
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class LauchNapcatAdapterHandler(BaseEventHandler):
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"""自动启动Adapter"""
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handler_name: str = "launch_napcat_adapter_handler"
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handler_description: str = "自动启动napcat adapter"
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weight: int = 100
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intercept_message: bool = False
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init_subscribe = [EventType.ON_START]
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async def execute(self, kwargs):
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# 执行功能配置迁移（如果需要）
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logger.info("检查功能配置迁移...")
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auto_migrate_features()
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# 启动消息重组器的清理任务
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logger.info("启动消息重组器...")
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await reassembler.start_cleanup_task()
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# 初始化功能管理器
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logger.info("正在初始化功能管理器...")
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features_manager.load_config()
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await features_manager.start_file_watcher(check_interval=2.0)
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logger.info("功能管理器初始化完成")
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logger.info("开始启动Napcat Adapter")
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message_send_instance.maibot_router = router
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# 创建单独的异步任务，防止阻塞主线程
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asyncio.create_task(napcat_server())
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asyncio.create_task(mmc_start_com())
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asyncio.create_task(message_process())
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asyncio.create_task(check_timeout_response())
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class StopNapcatAdapterHandler(BaseEventHandler):
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"""关闭Adapter"""
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handler_name: str = "stop_napcat_adapter_handler"
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handler_description: str = "关闭napcat adapter"
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weight: int = 100
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intercept_message: bool = False
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init_subscribe = [EventType.ON_STOP]
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async def execute(self, kwargs):
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await graceful_shutdown()
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return
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@register_plugin
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class NapcatAdapterPlugin(BasePlugin):
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plugin_name = CONSTS.PLUGIN_NAME
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enable_plugin: bool = True
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dependencies: List[str] = [] # 插件依赖列表
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python_dependencies: List[str] = [] # Python包依赖列表
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config_file_name: str = "config.toml" # 配置文件名
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# 配置节描述
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config_section_descriptions = {"plugin": "插件基本信息"}
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# 配置Schema定义
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config_schema: dict = {
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"plugin": {
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"name": ConfigField(type=str, default="napcat_adapter_plugin", description="插件名称"),
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"version": ConfigField(type=str, default="1.0.0", description="插件版本"),
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"enabled": ConfigField(type=bool, default=False, description="是否启用插件"),
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}
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}
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def register_events(self):
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# 注册事件
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for e in event_types.NapcatEvent.ON_RECEIVED:
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event_manager.register_event(e, allowed_triggers=[self.plugin_name])
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for e in event_types.NapcatEvent.ACCOUNT:
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event_manager.register_event(e, allowed_subscribers=[f"{e.value}_handler"])
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for e in event_types.NapcatEvent.GROUP:
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event_manager.register_event(e, allowed_subscribers=[f"{e.value}_handler"])
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for e in event_types.NapcatEvent.MESSAGE:
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event_manager.register_event(e, allowed_subscribers=[f"{e.value}_handler"])
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def get_plugin_components(self):
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self.register_events()
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components = []
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components.append((LauchNapcatAdapterHandler.get_handler_info(), LauchNapcatAdapterHandler))
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components.append((StopNapcatAdapterHandler.get_handler_info(), StopNapcatAdapterHandler))
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for handler in get_classes_in_module(event_handlers):
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if issubclass(handler, BaseEventHandler):
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components.append((handler.get_handler_info(), handler))
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return components
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