import time import math import asyncio import threading import json # 引入 json import os # 引入 os import traceback # <--- 添加导入 from typing import Optional # <--- 添加导入 from src.common.logger import get_module_logger, LogConfig, DEFAULT_CONFIG # 引入 DEFAULT_CONFIG from src.plugins.chat.chat_stream import chat_manager # *** Import ChatManager *** from ...chat.message import MessageRecv # 导入 MessageRecv # 定义日志配置 (使用 loguru 格式) interest_log_config = LogConfig( console_format=DEFAULT_CONFIG["console_format"], # 使用默认控制台格式 file_format=DEFAULT_CONFIG["file_format"] # 使用默认文件格式 ) logger = get_module_logger("InterestManager", config=interest_log_config) # 定义常量 DEFAULT_DECAY_RATE_PER_SECOND = 0.95 # 每秒衰减率 (兴趣保留 99%) # DEFAULT_INCREASE_AMOUNT = 10.0 # 不再需要固定增加值 MAX_INTEREST = 10.0 # 最大兴趣值 MIN_INTEREST_THRESHOLD = 0.1 # 低于此值可能被清理 (可选) CLEANUP_INTERVAL_SECONDS = 3600 # 清理任务运行间隔 (例如：1小时) INACTIVE_THRESHOLD_SECONDS = 3600 * 24 # 不活跃时间阈值 (例如：1天) LOG_INTERVAL_SECONDS = 3 # 日志记录间隔 (例如：30秒) LOG_DIRECTORY = "logs/interest" # 日志目录 LOG_FILENAME = "interest_log.json" # 快照日志文件名 (保留，以防其他地方用到) HISTORY_LOG_FILENAME = "interest_history.log" # 新的历史日志文件名 # 移除阈值，将移至 HeartFC_Chat # INTEREST_INCREASE_THRESHOLD = 0.5 class InterestChatting: def __init__(self, decay_rate=DEFAULT_DECAY_RATE_PER_SECOND, max_interest=MAX_INTEREST): self.interest_level: float = 0.0 self.last_update_time: float = time.time() self.decay_rate_per_second: float = decay_rate # self.increase_amount: float = increase_amount # 移除固定的 increase_amount self.max_interest: float = max_interest # 新增：用于追踪最后一次显著增加的信息，供外部监控任务使用 self.last_increase_amount: float = 0.0 self.last_triggering_message: MessageRecv | None = None def _calculate_decay(self, current_time: float): """计算从上次更新到现在的衰减""" time_delta = current_time - self.last_update_time if time_delta > 0: # 指数衰减: interest = interest * (decay_rate ^ time_delta) # 添加处理极小兴趣值避免 math domain error if self.interest_level < 1e-9: self.interest_level = 0.0 else: # 检查 decay_rate_per_second 是否为非正数，避免 math domain error if self.decay_rate_per_second <= 0: logger.warning(f"InterestChatting encountered non-positive decay rate: {self.decay_rate_per_second}. Setting interest to 0.") self.interest_level = 0.0 # 检查 interest_level 是否为负数，虽然理论上不应发生，但以防万一 elif self.interest_level < 0: logger.warning(f"InterestChatting encountered negative interest level: {self.interest_level}. Setting interest to 0.") self.interest_level = 0.0 else: try: decay_factor = math.pow(self.decay_rate_per_second, time_delta) self.interest_level *= decay_factor except ValueError as e: # 捕获潜在的 math domain error，例如对负数开非整数次方（虽然已加保护） logger.error(f"Math error during decay calculation: {e}. Rate: {self.decay_rate_per_second}, Delta: {time_delta}, Level: {self.interest_level}. Setting interest to 0.") self.interest_level = 0.0 # 防止低于阈值 (如果需要) # self.interest_level = max(self.interest_level, MIN_INTEREST_THRESHOLD) self.last_update_time = current_time def increase_interest(self, current_time: float, value: float, message: Optional[MessageRecv]): """根据传入的值增加兴趣值，并记录增加量和关联消息""" self._calculate_decay(current_time) # 先计算衰减 # 记录这次增加的具体数值和消息，供外部判断是否触发 self.last_increase_amount = value self.last_triggering_message = message # 应用增加 self.interest_level += value self.interest_level = min(self.interest_level, self.max_interest) # 不超过最大值 self.last_update_time = current_time # 更新时间戳 def decrease_interest(self, current_time: float, value: float): """降低兴趣值并更新时间 (确保不低于0)""" # 注意：降低兴趣度是否需要先衰减？取决于具体逻辑，这里假设不衰减直接减 self.interest_level -= value self.interest_level = max(self.interest_level, 0.0) # 确保不低于0 self.last_update_time = current_time # 降低也更新时间戳 def reset_trigger_info(self): """重置触发相关信息，在外部任务处理后调用""" self.last_increase_amount = 0.0 self.last_triggering_message = None def get_interest(self) -> float: """获取当前兴趣值 (由后台任务更新)""" return self.interest_level def get_state(self) -> dict: """获取当前状态字典""" # 不再需要传入 current_time 来计算，直接获取 interest = self.get_interest() # 使用修改后的 get_interest return { "interest_level": round(interest, 2), "last_update_time": self.last_update_time, # 可以选择性地暴露 last_increase_amount 给状态，方便调试 # "last_increase_amount": round(self.last_increase_amount, 2) } class InterestManager: _instance = None _lock = threading.Lock() _initialized = False def __new__(cls, *args, **kwargs): if cls._instance is None: with cls._lock: # Double-check locking if cls._instance is None: cls._instance = super().__new__(cls) return cls._instance def __init__(self): if not self._initialized: with self._lock: # 确保初始化也只执行一次 if not self._initialized: logger.info("Initializing InterestManager singleton...") # key: stream_id (str), value: InterestChatting instance self.interest_dict: dict[str, InterestChatting] = {} # 保留旧的快照文件路径变量，尽管此任务不再写入 self._snapshot_log_file_path = os.path.join(LOG_DIRECTORY, LOG_FILENAME) # 定义新的历史日志文件路径 self._history_log_file_path = os.path.join(LOG_DIRECTORY, HISTORY_LOG_FILENAME) self._ensure_log_directory() self._cleanup_task = None self._logging_task = None # 添加日志任务变量 self._initialized = True logger.info("InterestManager initialized.") # 修改日志消息 self._decay_task = None # 新增：衰减任务变量 def _ensure_log_directory(self): """确保日志目录存在""" try: os.makedirs(LOG_DIRECTORY, exist_ok=True) logger.info(f"Log directory '{LOG_DIRECTORY}' ensured.") except OSError as e: logger.error(f"Error creating log directory '{LOG_DIRECTORY}': {e}") async def _periodic_cleanup_task(self, interval_seconds: int, threshold: float, max_age_seconds: int): """后台清理任务的异步函数""" while True: await asyncio.sleep(interval_seconds) logger.info(f"Running periodic cleanup (interval: {interval_seconds}s)...") self.cleanup_inactive_chats(threshold=threshold, max_age_seconds=max_age_seconds) async def _periodic_log_task(self, interval_seconds: int): """后台日志记录任务的异步函数 (记录历史数据，包含 group_name)""" while True: await asyncio.sleep(interval_seconds) logger.debug(f"Running periodic history logging (interval: {interval_seconds}s)...") try: current_timestamp = time.time() all_states = self.get_all_interest_states() # 获取当前所有状态 # 以追加模式打开历史日志文件 with open(self._history_log_file_path, 'a', encoding='utf-8') as f: count = 0 for stream_id, state in all_states.items(): # *** Get group name from ChatManager *** group_name = stream_id # Default to stream_id try: # Use the imported chat_manager instance chat_stream = chat_manager.get_stream(stream_id) if chat_stream and chat_stream.group_info: group_name = chat_stream.group_info.group_name elif chat_stream and not chat_stream.group_info: # Handle private chats - maybe use user nickname? group_name = f"私聊_{chat_stream.user_info.user_nickname}" if chat_stream.user_info else stream_id except Exception as e: logger.warning(f"Could not get group name for stream_id {stream_id}: {e}") # Fallback to stream_id is already handled by default value log_entry = { "timestamp": round(current_timestamp, 2), "stream_id": stream_id, "interest_level": state.get("interest_level", 0.0), # 确保有默认值 "group_name": group_name # *** Add group_name *** } # 将每个条目作为单独的 JSON 行写入 f.write(json.dumps(log_entry, ensure_ascii=False) + '\n') count += 1 logger.debug(f"Successfully appended {count} interest history entries to {self._history_log_file_path}") # 注意：不再写入快照文件 interest_log.json # 如果需要快照文件，可以在这里单独写入 self._snapshot_log_file_path # 例如： # with open(self._snapshot_log_file_path, 'w', encoding='utf-8') as snap_f: # json.dump(all_states, snap_f, indent=4, ensure_ascii=False) # logger.debug(f"Successfully wrote snapshot to {self._snapshot_log_file_path}") except IOError as e: logger.error(f"Error writing interest history log to {self._history_log_file_path}: {e}") except Exception as e: logger.error(f"Unexpected error during periodic history logging: {e}") async def _periodic_decay_task(self): """后台衰减任务的异步函数，每秒更新一次所有实例的衰减""" while True: await asyncio.sleep(1) # 每秒运行一次 current_time = time.time() # logger.debug("Running periodic decay calculation...") # 调试日志，可能过于频繁 # 创建字典项的快照进行迭代，避免在迭代时修改字典的问题 items_snapshot = list(self.interest_dict.items()) count = 0 for stream_id, chatting in items_snapshot: try: # 调用 InterestChatting 实例的衰减方法 chatting._calculate_decay(current_time) count += 1 except Exception as e: logger.error(f"Error calculating decay for stream_id {stream_id}: {e}") # if count > 0: # 仅在实际处理了项目时记录日志，避免空闲时刷屏 # logger.debug(f"Applied decay to {count} streams.") async def start_background_tasks(self): """Starts the background cleanup, logging, and decay tasks.""" if self._cleanup_task is None or self._cleanup_task.done(): self._cleanup_task = asyncio.create_task( self._periodic_cleanup_task( interval_seconds=CLEANUP_INTERVAL_SECONDS, threshold=MIN_INTEREST_THRESHOLD, max_age_seconds=INACTIVE_THRESHOLD_SECONDS ) ) logger.info(f"Periodic cleanup task created. Interval: {CLEANUP_INTERVAL_SECONDS}s, Inactive Threshold: {INACTIVE_THRESHOLD_SECONDS}s") else: logger.warning("Cleanup task creation skipped: already running or exists.") if self._logging_task is None or self._logging_task.done(): self._logging_task = asyncio.create_task( self._periodic_log_task(interval_seconds=LOG_INTERVAL_SECONDS) ) logger.info(f"Periodic logging task created. Interval: {LOG_INTERVAL_SECONDS}s") else: logger.warning("Logging task creation skipped: already running or exists.") # 启动新的衰减任务 if self._decay_task is None or self._decay_task.done(): self._decay_task = asyncio.create_task( self._periodic_decay_task() ) logger.info("Periodic decay task created. Interval: 1s") else: logger.warning("Decay task creation skipped: already running or exists.") def get_all_interest_states(self) -> dict[str, dict]: """获取所有聊天流的当前兴趣状态""" # 不再需要 current_time, 因为 get_state 现在不接收它 states = {} # 创建副本以避免在迭代时修改字典 items_snapshot = list(self.interest_dict.items()) for stream_id, chatting in items_snapshot: try: # 直接调用 get_state，它会使用内部的 get_interest 获取已更新的值 states[stream_id] = chatting.get_state() except Exception as e: logger.warning(f"Error getting state for stream_id {stream_id}: {e}") return states def get_interest_chatting(self, stream_id: str) -> Optional[InterestChatting]: """获取指定流的 InterestChatting 实例，如果不存在则返回 None""" return self.interest_dict.get(stream_id) def _get_or_create_interest_chatting(self, stream_id: str) -> InterestChatting: """获取或创建指定流的 InterestChatting 实例 (线程安全)""" # 由于字典操作本身在 CPython 中大部分是原子的， # 且主要写入发生在 __init__ 和 cleanup (由单任务执行)， # 读取和 get_or_create 主要在事件循环线程，简单场景下可能不需要锁。 # 但为保险起见或跨线程使用考虑，可加锁。 # with self._lock: if stream_id not in self.interest_dict: logger.debug(f"Creating new InterestChatting for stream_id: {stream_id}") self.interest_dict[stream_id] = InterestChatting() # 首次创建时兴趣为 0，由第一次消息的 activate rate 决定初始值 return self.interest_dict[stream_id] def get_interest(self, stream_id: str) -> float: """获取指定聊天流当前的兴趣度 (值由后台任务更新)""" # current_time = time.time() # 不再需要获取当前时间 interest_chatting = self._get_or_create_interest_chatting(stream_id) # 直接调用修改后的 get_interest，不传入时间 return interest_chatting.get_interest() def increase_interest(self, stream_id: str, value: float, message: MessageRecv): """当收到消息时，增加指定聊天流的兴趣度，并传递关联消息""" current_time = time.time() interest_chatting = self._get_or_create_interest_chatting(stream_id) # 调用修改后的 increase_interest，传入 message interest_chatting.increase_interest(current_time, value, message) logger.debug(f"Increased interest for stream_id: {stream_id} by {value:.2f} to {interest_chatting.interest_level:.2f}") # 更新日志 def decrease_interest(self, stream_id: str, value: float): """降低指定聊天流的兴趣度""" current_time = time.time() # 尝试获取，如果不存在则不做任何事 interest_chatting = self.get_interest_chatting(stream_id) if interest_chatting: interest_chatting.decrease_interest(current_time, value) logger.debug(f"Decreased interest for stream_id: {stream_id} by {value:.2f} to {interest_chatting.interest_level:.2f}") else: logger.warning(f"Attempted to decrease interest for non-existent stream_id: {stream_id}") def cleanup_inactive_chats(self, threshold=MIN_INTEREST_THRESHOLD, max_age_seconds=INACTIVE_THRESHOLD_SECONDS): """ 清理长时间不活跃或兴趣度过低的聊天流记录 threshold: 低于此兴趣度的将被清理 max_age_seconds: 超过此时间未更新的将被清理 """ current_time = time.time() keys_to_remove = [] initial_count = len(self.interest_dict) # with self._lock: # 如果需要锁整个迭代过程 # 创建副本以避免在迭代时修改字典 items_snapshot = list(self.interest_dict.items()) for stream_id, chatting in items_snapshot: # 先计算当前兴趣，确保是最新的 # 加锁保护 chatting 对象状态的读取和可能的修改 # with self._lock: # 如果 InterestChatting 内部操作不是原子的 interest = chatting.get_interest() last_update = chatting.last_update_time should_remove = False reason = "" if interest < threshold: should_remove = True reason = f"interest ({interest:.2f}) < threshold ({threshold})" # 只有设置了 max_age_seconds 才检查时间 if max_age_seconds is not None and (current_time - last_update) > max_age_seconds: should_remove = True reason = f"inactive time ({current_time - last_update:.0f}s) > max age ({max_age_seconds}s)" + (f", {reason}" if reason else "") # 附加之前的理由 if should_remove: keys_to_remove.append(stream_id) logger.debug(f"Marking stream_id {stream_id} for removal. Reason: {reason}") if keys_to_remove: logger.info(f"Cleanup identified {len(keys_to_remove)} inactive/low-interest streams.") # with self._lock: # 确保删除操作的原子性 for key in keys_to_remove: # 再次检查 key 是否存在，以防万一在迭代和删除之间状态改变 if key in self.interest_dict: del self.interest_dict[key] logger.debug(f"Removed stream_id: {key}") final_count = initial_count - len(keys_to_remove) logger.info(f"Cleanup finished. Removed {len(keys_to_remove)} streams. Current count: {final_count}") else: logger.info(f"Cleanup finished. No streams met removal criteria. Current count: {initial_count}") # 不再需要手动创建实例和任务 # manager = InterestManager() # asyncio.create_task(periodic_cleanup(manager, 3600))