feat:为s4u添加优先级信息

This commit is contained in:
SengokuCola
2025-07-13 00:05:12 +08:00
parent 16c2a8b68e
commit 7757931da5
3 changed files with 27 additions and 935 deletions

View File

@@ -1,112 +0,0 @@
import time
import heapq
import math
import json
from typing import List, Optional
from src.common.logger import get_logger
logger = get_logger("normal_chat")
class PrioritizedMessage:
"""带有优先级的消息对象"""
def __init__(self, message_data: dict, interest_scores: List[float], is_vip: bool = False):
self.message_data = message_data
self.arrival_time = time.time()
self.interest_scores = interest_scores
self.is_vip = is_vip
self.priority = self.calculate_priority()
def calculate_priority(self, decay_rate: float = 0.01) -> float:
"""
计算优先级分数。
优先级 = 兴趣分 * exp(-衰减率 * 消息年龄)
"""
age = time.time() - self.arrival_time
decay_factor = math.exp(-decay_rate * age)
priority = sum(self.interest_scores) + decay_factor
return priority
def __lt__(self, other: "PrioritizedMessage") -> bool:
"""用于堆排序的比较函数,我们想要一个最大堆,所以用 >"""
return self.priority > other.priority
class PriorityManager:
"""
管理消息队列,根据优先级选择消息进行处理。
"""
def __init__(self, normal_queue_max_size: int = 5):
self.vip_queue: List[PrioritizedMessage] = [] # VIP 消息队列 (最大堆)
self.normal_queue: List[PrioritizedMessage] = [] # 普通消息队列 (最大堆)
self.normal_queue_max_size = normal_queue_max_size
def add_message(self, message_data: dict, interest_score: Optional[float] = None):
"""
添加新消息到合适的队列中。
"""
user_id = message_data.get("user_id")
priority_info_raw = message_data.get("priority_info")
priority_info = {}
if isinstance(priority_info_raw, str):
priority_info = json.loads(priority_info_raw)
elif isinstance(priority_info_raw, dict):
priority_info = priority_info_raw
is_vip = priority_info.get("message_type") == "vip"
message_priority = priority_info.get("message_priority", 0.0)
p_message = PrioritizedMessage(message_data, [interest_score, message_priority], is_vip)
if is_vip:
heapq.heappush(self.vip_queue, p_message)
logger.debug(f"消息来自VIP用户 {user_id}, 已添加到VIP队列. 当前VIP队列长度: {len(self.vip_queue)}")
else:
if len(self.normal_queue) >= self.normal_queue_max_size:
# 如果队列已满,只在消息优先级高于最低优先级消息时才添加
if p_message.priority > self.normal_queue[0].priority:
heapq.heapreplace(self.normal_queue, p_message)
logger.debug(f"普通队列已满,但新消息优先级更高,已替换. 用户: {user_id}")
else:
logger.debug(f"普通队列已满且新消息优先级较低,已忽略. 用户: {user_id}")
else:
heapq.heappush(self.normal_queue, p_message)
logger.debug(
f"消息来自普通用户 {user_id}, 已添加到普通队列. 当前普通队列长度: {len(self.normal_queue)}"
)
def get_highest_priority_message(self) -> Optional[dict]:
"""
从VIP和普通队列中获取当前最高优先级的消息。
"""
# 更新所有消息的优先级
for p_msg in self.vip_queue:
p_msg.priority = p_msg.calculate_priority()
for p_msg in self.normal_queue:
p_msg.priority = p_msg.calculate_priority()
# 重建堆
heapq.heapify(self.vip_queue)
heapq.heapify(self.normal_queue)
vip_msg = self.vip_queue[0] if self.vip_queue else None
normal_msg = self.normal_queue[0] if self.normal_queue else None
if vip_msg:
return heapq.heappop(self.vip_queue).message_data
elif normal_msg:
return heapq.heappop(self.normal_queue).message_data
else:
return None
def is_empty(self) -> bool:
"""检查所有队列是否为空"""
return not self.vip_queue and not self.normal_queue
def get_queue_status(self) -> str:
"""获取队列状态信息"""
return f"VIP队列: {len(self.vip_queue)}, 普通队列: {len(self.normal_queue)}"