from __future__ import annotations import asyncio from concurrent.futures import ThreadPoolExecutor from datetime import datetime import json from app.dependencies.database import get_redis, get_redis_message from app.log import logger from app.utils import bg_tasks from .router import router from pydantic import BaseModel # Redis key constants REDIS_ONLINE_USERS_KEY = "server:online_users" REDIS_PLAYING_USERS_KEY = "server:playing_users" REDIS_REGISTERED_USERS_KEY = "server:registered_users" REDIS_ONLINE_HISTORY_KEY = "server:online_history" # 线程池用于同步Redis操作 _executor = ThreadPoolExecutor(max_workers=2) async def _redis_exec(func, *args, **kwargs): """在线程池中执行同步Redis操作""" loop = asyncio.get_event_loop() return await loop.run_in_executor(_executor, func, *args, **kwargs) class ServerStats(BaseModel): """服务器统计信息响应模型""" registered_users: int online_users: int playing_users: int timestamp: datetime class OnlineHistoryPoint(BaseModel): """在线历史数据点""" timestamp: datetime online_count: int playing_count: int class OnlineHistoryResponse(BaseModel): """24小时在线历史响应模型""" history: list[OnlineHistoryPoint] current_stats: ServerStats @router.get("/stats", response_model=ServerStats, tags=["统计"]) async def get_server_stats() -> ServerStats: """ 获取服务器实时统计信息 返回服务器注册用户数、在线用户数、正在游玩用户数等实时统计信息 """ redis = get_redis() try: # 并行获取所有统计数据 registered_count, online_count, playing_count = await asyncio.gather( _get_registered_users_count(redis), _get_online_users_count(redis), _get_playing_users_count(redis), ) return ServerStats( registered_users=registered_count, online_users=online_count, playing_users=playing_count, timestamp=datetime.utcnow(), ) except Exception as e: logger.error(f"Error getting server stats: {e}") # 返回默认值 return ServerStats( registered_users=0, online_users=0, playing_users=0, timestamp=datetime.utcnow(), ) @router.get("/stats/history", response_model=OnlineHistoryResponse, tags=["统计"]) async def get_online_history() -> OnlineHistoryResponse: """ 获取最近24小时在线统计历史 返回过去24小时内每小时的在线用户数和游玩用户数统计， 包含当前实时数据作为最新数据点 """ try: # 获取历史数据 - 使用同步Redis客户端 redis_sync = get_redis_message() history_data = await _redis_exec(redis_sync.lrange, REDIS_ONLINE_HISTORY_KEY, 0, -1) history_points = [] # 处理历史数据 for data in history_data: try: point_data = json.loads(data) # 只保留基本字段 history_points.append( OnlineHistoryPoint( timestamp=datetime.fromisoformat(point_data["timestamp"]), online_count=point_data["online_count"], playing_count=point_data["playing_count"], ) ) except (json.JSONDecodeError, KeyError, ValueError) as e: logger.warning(f"Invalid history data point: {data}, error: {e}") continue # 获取当前实时统计信息 current_stats = await get_server_stats() # 如果历史数据为空或者最新数据超过15分钟，添加当前数据点 if not history_points or ( history_points and (current_stats.timestamp - max(history_points, key=lambda x: x.timestamp).timestamp).total_seconds() > 15 * 60 ): history_points.append( OnlineHistoryPoint( timestamp=current_stats.timestamp, online_count=current_stats.online_users, playing_count=current_stats.playing_users, ) ) # 按时间排序（最新的在前） history_points.sort(key=lambda x: x.timestamp, reverse=True) # 限制到最多48个数据点（24小时） history_points = history_points[:48] return OnlineHistoryResponse(history=history_points, current_stats=current_stats) except Exception as e: logger.error(f"Error getting online history: {e}") # 返回空历史和当前状态 current_stats = await get_server_stats() return OnlineHistoryResponse(history=[], current_stats=current_stats) @router.get("/stats/debug", tags=["统计"]) async def get_stats_debug_info(): """ 获取统计系统调试信息 用于调试时间对齐和区间统计问题 """ try: from app.service.enhanced_interval_stats import EnhancedIntervalStatsManager current_time = datetime.utcnow() current_interval = await EnhancedIntervalStatsManager.get_current_interval_info() interval_stats = await EnhancedIntervalStatsManager.get_current_interval_stats() # 获取Redis中的实际数据 redis_sync = get_redis_message() online_key = f"server:interval_online_users:{current_interval.interval_key}" playing_key = f"server:interval_playing_users:{current_interval.interval_key}" online_users_raw = await _redis_exec(redis_sync.smembers, online_key) playing_users_raw = await _redis_exec(redis_sync.smembers, playing_key) online_users = [int(uid.decode() if isinstance(uid, bytes) else uid) for uid in online_users_raw] playing_users = [int(uid.decode() if isinstance(uid, bytes) else uid) for uid in playing_users_raw] return { "current_time": current_time.isoformat(), "current_interval": { "start_time": current_interval.start_time.isoformat(), "end_time": current_interval.end_time.isoformat(), "key": current_interval.interval_key, "is_current": current_interval.is_current(), "minutes_remaining": int((current_interval.end_time - current_time).total_seconds() / 60), "seconds_remaining": int((current_interval.end_time - current_time).total_seconds()), "progress_percentage": round( (1 - (current_interval.end_time - current_time).total_seconds() / (30 * 60)) * 100, 1, ), }, "interval_statistics": interval_stats.to_dict() if interval_stats else None, "redis_data": { "online_users": online_users, "playing_users": playing_users, "online_count": len(online_users), "playing_count": len(playing_users), }, "system_status": { "stats_system": "enhanced_interval_stats", "data_alignment": "30_minute_boundaries", "real_time_updates": True, "auto_24h_fill": True, }, } except Exception as e: logger.error(f"Error getting debug info: {e}") return {"error": "Failed to retrieve debug information", "message": str(e)} async def _get_registered_users_count(redis) -> int: """获取注册用户总数（从缓存）""" try: count = await redis.get(REDIS_REGISTERED_USERS_KEY) return int(count) if count else 0 except Exception as e: logger.error(f"Error getting registered users count: {e}") return 0 async def _get_online_users_count(redis) -> int: """获取当前在线用户数""" try: count = await redis.scard(REDIS_ONLINE_USERS_KEY) return count except Exception as e: logger.error(f"Error getting online users count: {e}") return 0 async def _get_playing_users_count(redis) -> int: """获取当前游玩用户数""" try: count = await redis.scard(REDIS_PLAYING_USERS_KEY) return count except Exception as e: logger.error(f"Error getting playing users count: {e}") return 0 # 统计更新功能 async def update_registered_users_count() -> None: """更新注册用户数缓存""" from app.const import BANCHOBOT_ID from app.database import User from app.dependencies.database import with_db from sqlmodel import func, select redis = get_redis() try: async with with_db() as db: # 排除机器人用户（BANCHOBOT_ID） result = await db.exec(select(func.count()).select_from(User).where(User.id != BANCHOBOT_ID)) count = result.first() await redis.set(REDIS_REGISTERED_USERS_KEY, count or 0, ex=300) # 5分钟过期 logger.debug(f"Updated registered users count: {count}") except Exception as e: logger.error(f"Error updating registered users count: {e}") async def add_online_user(user_id: int) -> None: """添加在线用户""" redis_sync = get_redis_message() redis_async = get_redis() try: await _redis_exec(redis_sync.sadd, REDIS_ONLINE_USERS_KEY, str(user_id)) # 检查key是否已有过期时间，如果没有则设置3小时过期 ttl = await redis_async.ttl(REDIS_ONLINE_USERS_KEY) if ttl <= 0: # -1表示永不过期，-2表示不存在，0表示已过期 await redis_async.expire(REDIS_ONLINE_USERS_KEY, 3 * 3600) # 3小时过期 logger.debug(f"Added online user {user_id}") # 立即更新当前区间统计 from app.service.enhanced_interval_stats import update_user_activity_in_interval bg_tasks.add_task( update_user_activity_in_interval, user_id, is_playing=False, ) except Exception as e: logger.error(f"Error adding online user {user_id}: {e}") async def remove_online_user(user_id: int) -> None: """移除在线用户""" redis_sync = get_redis_message() try: await _redis_exec(redis_sync.srem, REDIS_ONLINE_USERS_KEY, str(user_id)) await _redis_exec(redis_sync.srem, REDIS_PLAYING_USERS_KEY, str(user_id)) except Exception as e: logger.error(f"Error removing online user {user_id}: {e}") async def add_playing_user(user_id: int) -> None: """添加游玩用户""" redis_sync = get_redis_message() redis_async = get_redis() try: await _redis_exec(redis_sync.sadd, REDIS_PLAYING_USERS_KEY, str(user_id)) # 检查key是否已有过期时间，如果没有则设置3小时过期 ttl = await redis_async.ttl(REDIS_PLAYING_USERS_KEY) if ttl <= 0: # -1表示永不过期，-2表示不存在，0表示已过期 await redis_async.expire(REDIS_PLAYING_USERS_KEY, 3 * 3600) # 3小时过期 logger.debug(f"Added playing user {user_id}") # 立即更新当前区间统计 from app.service.enhanced_interval_stats import update_user_activity_in_interval bg_tasks.add_task(update_user_activity_in_interval, user_id, is_playing=True) except Exception as e: logger.error(f"Error adding playing user {user_id}: {e}") async def remove_playing_user(user_id: int) -> None: """移除游玩用户""" redis_sync = get_redis_message() try: await _redis_exec(redis_sync.srem, REDIS_PLAYING_USERS_KEY, str(user_id)) except Exception as e: logger.error(f"Error removing playing user {user_id}: {e}") async def record_hourly_stats() -> None: """记录统计数据 - 简化版本，主要作为fallback使用""" redis_sync = get_redis_message() redis_async = get_redis() try: # 先确保Redis连接正常 await redis_async.ping() online_count = await _get_online_users_count(redis_async) playing_count = await _get_playing_users_count(redis_async) current_time = datetime.utcnow() history_point = { "timestamp": current_time.isoformat(), "online_count": online_count, "playing_count": playing_count, } # 添加到历史记录 await _redis_exec(redis_sync.lpush, REDIS_ONLINE_HISTORY_KEY, json.dumps(history_point)) # 只保留48个数据点（24小时，每30分钟一个点） await _redis_exec(redis_sync.ltrim, REDIS_ONLINE_HISTORY_KEY, 0, 47) # 设置过期时间为26小时，确保有足够缓冲 await redis_async.expire(REDIS_ONLINE_HISTORY_KEY, 26 * 3600) logger.info( f"Recorded fallback stats: online={online_count}, playing={playing_count} " f"at {current_time.strftime('%H:%M:%S')}" ) except Exception as e: logger.error(f"Error recording fallback stats: {e}")