Files
2025-12-26 16:03:12 +08:00

127 lines
4.0 KiB
Python

import asyncio
import json
from datetime import datetime
import redis.asyncio as redis
from ..core import get_settings
settings = get_settings()
class StatsService:
def __init__(self):
self.redis: redis.Redis | None = None
async def connect(self):
self.redis = redis.from_url(settings.redis_url)
async def disconnect(self):
if self.redis:
await self.redis.close()
def _get_key(self, provider_id: int, date: str, hour: int) -> str:
return f"stats:{provider_id}:{date}:{hour}"
async def record_request(
self,
provider_id: int,
input_tokens: int,
output_tokens: int,
cached: bool = False,
error: bool = False,
):
if not self.redis:
return
try:
now = datetime.utcnow()
date = now.strftime("%Y-%m-%d")
hour = now.hour
key = self._get_key(provider_id, date, hour)
pipe = self.redis.pipeline()
pipe.hincrby(key, "request_count", 1)
pipe.hincrby(key, "input_tokens", input_tokens)
pipe.hincrby(key, "output_tokens", output_tokens)
if cached:
pipe.hincrby(key, "cached_count", 1)
if error:
pipe.hincrby(key, "error_count", 1)
pipe.expire(key, 86400 * 30)
await pipe.execute()
except asyncio.CancelledError:
return
except Exception:
return
async def get_stats(self, provider_id: int, date: str) -> dict:
if not self.redis:
return {}
result = {
"date": date,
"request_count": 0,
"input_tokens": 0,
"output_tokens": 0,
"cached_count": 0,
"error_count": 0,
"hourly": [],
}
for hour in range(24):
key = self._get_key(provider_id, date, hour)
try:
data = await self.redis.hgetall(key)
except asyncio.CancelledError:
return result
except Exception:
data = {}
hourly = {
"hour": hour,
"request_count": int(data.get(b"request_count", 0)),
"input_tokens": int(data.get(b"input_tokens", 0)),
"output_tokens": int(data.get(b"output_tokens", 0)),
"cached_count": int(data.get(b"cached_count", 0)),
"error_count": int(data.get(b"error_count", 0)),
}
result["hourly"].append(hourly)
for k in ["request_count", "input_tokens", "output_tokens", "cached_count", "error_count"]:
result[k] += hourly[k]
return result
async def get_rpm_tpm(self, provider_id: int) -> dict:
if not self.redis:
return {"rpm": 0, "tpm": 0}
try:
now = datetime.utcnow()
minute_key = f"rpm:{provider_id}:{now.strftime('%Y-%m-%d-%H-%M')}"
rpm = int(await self.redis.get(minute_key) or 0)
tpm_key = f"tpm:{provider_id}:{now.strftime('%Y-%m-%d-%H-%M')}"
tpm = int(await self.redis.get(tpm_key) or 0)
return {"rpm": rpm, "tpm": tpm}
except asyncio.CancelledError:
return {"rpm": 0, "tpm": 0}
except Exception:
return {"rpm": 0, "tpm": 0}
async def incr_rpm_tpm(self, provider_id: int, tokens: int):
if not self.redis:
return
try:
now = datetime.utcnow()
minute_key = f"rpm:{provider_id}:{now.strftime('%Y-%m-%d-%H-%M')}"
tpm_key = f"tpm:{provider_id}:{now.strftime('%Y-%m-%d-%H-%M')}"
pipe = self.redis.pipeline()
pipe.incr(minute_key)
pipe.expire(minute_key, 120)
pipe.incrby(tpm_key, tokens)
pipe.expire(tpm_key, 120)
await pipe.execute()
except asyncio.CancelledError:
return
except Exception:
return
stats_service = StatsService()