优化任务调度说明

main.py

@@ -0,0 +1,74 @@
+import signal
+import time
+from datetime import datetime
+from system_management.scheduler.task_scheduler import TaskScheduler
+from utils.logger import CrossPlatformLog
+from config import Config
+
+
+# 初始化日志
+log = CrossPlatformLog.get_logger("Main")
+
+
+class IntelligenceSystem:
+    def __init__(self, db_config=None):
+        """初始化系统（仅作为容器，不包含业务逻辑）"""
+        self.scheduler = TaskScheduler(Config.MYSQL_CONFIG, max_workers=5)
+        self._running = False
+        log.info("情报系统已初始化（Cron模式）")
+
+    def start(self):
+        """启动系统主入口"""
+        self._running = True
+        self._setup_signal_handlers()
+        log.info("系统启动 - 运行在Cron调度模式")
+
+        try:
+            # 主循环 - 仅负责定期检查任务
+            while self._running:
+                # 检查并执行到期任务
+                self.scheduler.check_and_run_tasks()
+
+                # 短间隔轮询（每10秒检查一次，保证Cron时间精度）
+                time.sleep(10)
+
+        except Exception as e:
+            log.critical("系统主循环崩溃", exc_info=True)
+        finally:
+            self.shutdown()
+
+    def _setup_signal_handlers(self):
+        """设置系统信号处理器"""
+        signal.signal(signal.SIGINT, self._handle_shutdown)
+        signal.signal(signal.SIGTERM, self._handle_shutdown)
+        log.debug("信号处理器已注册")
+
+    def _handle_shutdown(self, signum, frame):
+        """处理系统关闭信号"""
+        log.info(f"收到关闭信号 {signum}，开始关闭系统")
+        self._running = False
+
+    def shutdown(self):
+        """优雅关闭系统"""
+        log.info("开始优雅关闭系统")
+
+        # 等待所有正在执行的任务完成
+        self.scheduler.executor.shutdown(wait=True, cancel_futures=False)
+
+        # 记录最终状态
+        pending_count = self.scheduler.get_pending_tasks_count()
+        log.info(
+            "系统关闭完成",
+            pending_tasks=pending_count,
+            shutdown_time=datetime.now()
+        )
+
+
+if __name__ == "__main__":
+    try:
+        # 启动系统 - 仅作为入口，不包含调度逻辑
+        system = IntelligenceSystem()
+        system.start()
+    except Exception as e:
+        log.critical("情报系统启动失败", exc_info=True)
+        raise