f09a8e16c4
- 修复 BaseHTTPPlugin 连接池、并发控制、异常日志、超时策略 - 修复/增强 8 个爬虫插件的稳定性和 fallback 机制 - 清理 validation_tasks 表 4 万+ pending 任务，避免队列卡死 - 修复 app/api/main.py 缺失全局 app 实例导致的 500 错误 - 提升前端 Axios 超时到 120 秒，避免请求断开 - 修复插件统计持久化和调度器生命周期问题
98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
"""调度器服务 - 定时验证存量代理"""
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import asyncio
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from datetime import datetime
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from app.core.db import get_db
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from app.repositories.proxy_repo import ProxyRepository
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from app.core.tasks.queue import ValidationQueue
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from app.core.config import settings as app_settings
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from app.core.log import logger
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class SchedulerService:
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"""代理验证调度器"""
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def __init__(
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self,
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validation_queue: ValidationQueue,
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proxy_repo: ProxyRepository = ProxyRepository(),
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):
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self.validation_queue = validation_queue
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self.proxy_repo = proxy_repo
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self.interval_minutes = 30
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self.running = False
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self._stop_event = asyncio.Event()
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self._task: asyncio.Task | None = None
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self._validate_task: asyncio.Task | None = None
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async def start(self):
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if self.running:
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logger.warning("Scheduler already running")
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return
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self._stop_event.clear()
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self.running = True
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await self.validation_queue.start()
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self._task = asyncio.create_task(self._run_loop())
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logger.info("Scheduler started")
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async def stop(self):
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self.running = False
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self._stop_event.set()
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if self._task:
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self._task.cancel()
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try:
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await self._task
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except asyncio.CancelledError:
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pass
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self._task = None
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await self.validation_queue.stop()
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logger.info("Scheduler stopped")
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async def validate_all_now(self):
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"""立即执行一次全量验证（后台运行，不阻塞）"""
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if self._validate_task and not self._validate_task.done():
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return
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self._validate_task = asyncio.create_task(self._do_validate_all())
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async def _run_loop(self):
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"""定时循环"""
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while self.running:
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try:
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await self._do_validate_all()
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except Exception as e:
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logger.error(f"Scheduler loop error: {e}")
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# 等待下一次
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try:
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await asyncio.wait_for(self._stop_event.wait(), timeout=self.interval_minutes * 60)
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except asyncio.TimeoutError:
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pass
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async def _do_validate_all(self):
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"""验证数据库中所有存量代理"""
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try:
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logger.info("Starting scheduled validation for all proxies")
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async with get_db() as db:
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proxies = await self.proxy_repo.list_all(db)
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if not proxies:
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logger.info("No proxies to validate")
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return
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logger.info(f"Validating {len(proxies)} proxies from database")
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from app.models.domain import ProxyRaw
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# 批量提交到验证队列
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batch_size = 100
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for i in range(0, len(proxies), batch_size):
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if not self.running:
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break
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batch = proxies[i : i + batch_size]
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await self.validation_queue.submit([
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ProxyRaw(p.ip, p.port, p.protocol) for p in batch
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])
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# 等待当前批次处理完
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await self.validation_queue.drain()
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logger.info(f"Validated batch {i//batch_size + 1}/{(len(proxies)-1)//batch_size + 1}")
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logger.info("Scheduled validation completed")
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except Exception as e:
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logger.error(f"Scheduled validation error: {e}")
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