150 lines
6.8 KiB
Python
150 lines
6.8 KiB
Python
from ..person_info.person_info import person_info_manager
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from src.common.logger import get_module_logger
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import asyncio
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from dataclasses import dataclass
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from .message import MessageRecv
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import hashlib
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from typing import Dict
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from dataclasses import dataclass, field
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from collections import OrderedDict
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import random
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logger = get_module_logger("message_buffer")
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@dataclass
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class CacheMessages:
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message: MessageRecv
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cache_determination: asyncio.Event = field(default_factory=asyncio.Event) # 判断缓冲是否产生结果
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result: str = "U"
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class MassageBuffer:
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def __init__(self):
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self.buffer_pool: Dict[str, OrderedDict[str, CacheMessages]] = {}
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self.lock = asyncio.Lock()
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def get_person_id_(self, platform:str, user_id:str, group_id:str):
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"""获取唯一id"""
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group_id = group_id or "私聊"
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key = f"{platform}_{user_id}_{group_id}"
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return hashlib.md5(key.encode()).hexdigest()
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async def start_caching_messages(self, message:MessageRecv):
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"""添加消息，启动缓冲"""
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person_id_ = self.get_person_id_(message.message_info.platform,
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message.message_info.user_info.user_id,
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message.message_info.group_info.group_id)
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async with self.lock:
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if person_id_ not in self.buffer_pool:
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self.buffer_pool[person_id_] = OrderedDict()
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# 查找最近的处理成功消息(T)
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last_T_msg = None
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recent_F_count = 0
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for msg_id in reversed(self.buffer_pool[person_id_]):
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msg = self.buffer_pool[person_id_][msg_id]
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if msg.result == "T":
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last_T_msg = msg
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break
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elif msg.result == "F":
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recent_F_count += 1
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# 判断条件：最近T之后有超过3条F
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if (recent_F_count >= random.randint(3, 5)):
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new_msg = CacheMessages(message=message, result="T")
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new_msg.cache_determination.set()
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self.buffer_pool[person_id_][message.message_info.message_id] = new_msg
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logger.debug(f"快速处理消息(已堆积{recent_F_count}条F): {message.message_info.message_id}")
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return
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# 标记该用户之前的未处理消息
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for msg_id, cache_msg in self.buffer_pool[person_id_].items():
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if cache_msg.result == "U":
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cache_msg.result = "F"
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cache_msg.cache_determination.set()
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logger.debug(f"被新消息覆盖信息id: {message.message_info.message_id}")
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# 添加新消息
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self.buffer_pool[person_id_][message.message_info.message_id] = CacheMessages(message=message)
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# 启动3秒缓冲计时器
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person_id = person_info_manager.get_person_id(message.message_info.user_info.platform,
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message.message_info.user_info.user_id)
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asyncio.create_task(self._debounce_processor(person_id_,
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message.message_info.message_id,
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person_id))
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async def _debounce_processor(self, person_id_: str, message_id: str, person_id: str):
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"""等待3秒无新消息"""
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interval_time = await person_info_manager.get_value(person_id, "msg_interval")
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if not isinstance(interval_time, (int, str)) or not str(interval_time).isdigit():
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logger.debug("debounce_processor无效的时间")
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return
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interval_time = max(0.5, int(interval_time) / 1000)
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await asyncio.sleep(interval_time)
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async with self.lock:
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if (person_id_ not in self.buffer_pool or
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message_id not in self.buffer_pool[person_id_]):
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logger.debug(f"消息异常被清理，msgid: {message_id}")
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return
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cache_msg = self.buffer_pool[person_id_][message_id]
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if cache_msg.result == "U":
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cache_msg.result = "T"
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cache_msg.cache_determination.set()
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async def query_buffer_result(self, message:MessageRecv) -> bool:
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"""查询缓冲结果，并清理"""
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person_id_ = self.get_person_id_(message.message_info.platform,
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message.message_info.user_info.user_id,
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message.message_info.group_info.group_id)
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async with self.lock:
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user_msgs = self.buffer_pool.get(person_id_, {})
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cache_msg = user_msgs.get(message.message_info.message_id)
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if not cache_msg:
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logger.debug(f"查询异常，消息不存在，msgid: {message.message_info.message_id}")
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return False # 消息不存在或已清理
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try:
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await asyncio.wait_for(cache_msg.cache_determination.wait(), timeout=10)
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result = cache_msg.result == "T"
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if result:
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async with self.lock: # 再次加锁
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# 清理所有早于当前消息的已处理消息， 收集所有早于当前消息的F消息的processed_plain_text
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keep_msgs = OrderedDict()
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combined_text = []
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found = False
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for msg_id, msg in self.buffer_pool[person_id_].items():
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if msg_id == message.message_info.message_id:
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found = True
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combined_text.append(msg.message.processed_plain_text)
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continue
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if found:
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keep_msgs[msg_id] = msg
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elif msg.result == "F":
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# 收集F消息的文本内容
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if hasattr(msg.message, 'processed_plain_text') and msg.message.processed_plain_text:
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combined_text.append(msg.message.processed_plain_text)
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elif msg.result == "U":
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logger.debug(f"异常未处理信息id： {msg.message.message_info.message_id}")
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# 更新当前消息的processed_plain_text
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if combined_text and combined_text[0] != message.processed_plain_text:
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message.processed_plain_text = "".join(combined_text)
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logger.debug(f"整合了{len(combined_text)-1}条F消息的内容到当前消息")
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self.buffer_pool[person_id_] = keep_msgs
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return result
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except asyncio.TimeoutError:
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logger.debug(f"查询超时消息id： {message.message_info.message_id}")
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return False
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message_buffer = MassageBuffer() |