635 lines
24 KiB
Python
635 lines
24 KiB
Python
# import ctypes
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# import threading
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# import time
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# import os
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# import signal
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# from concurrent.futures import ThreadPoolExecutor, as_completed
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# from typing import Dict, Tuple, List, Optional
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#
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# from Utils.LogManager import LogManager
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#
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# try:
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# import psutil # 可选：用来级联杀子进程
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# except Exception:
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# psutil = None
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#
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#
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# def _async_raise(tid: int, exc_type=SystemExit) -> bool:
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# """向指定线程异步注入异常（仅对 Python 解释器栈可靠）"""
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# if not tid:
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# LogManager.method_error("强杀失败: 线程ID为空", "task")
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# return False
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# try:
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# res = ctypes.pythonapi.PyThreadState_SetAsyncExc(
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# ctypes.c_long(tid), ctypes.py_object(exc_type)
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# )
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# if res == 0:
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# LogManager.method_info(f"线程 {tid} 不存在", "task")
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# return False
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# elif res > 1:
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# ctypes.pythonapi.PyThreadState_SetAsyncExc(ctypes.c_long(tid), 0)
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# LogManager.method_info(f"线程 {tid} 命中多个线程，已回滚", "task")
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# return False
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# return True
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# except Exception as e:
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# LogManager.method_error(f"强杀线程失败: {e}", "task")
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# return False
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#
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#
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# class ThreadManager:
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# """
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# 维持你的 add(udid, thread, event) 调用方式不变。
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# - 线程统一设为 daemon
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# - 停止：协作 -> 多次强杀注入 -> zombie 放弃占位
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# - 可选：注册并级联杀掉业务里创建的外部子进程
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# """
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# _tasks: Dict[str, Dict] = {}
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# _lock = threading.RLock()
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#
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# @classmethod
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# def _cleanup_if_dead(cls, udid: str):
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# obj = cls._tasks.get(udid)
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# if obj:
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# th = obj.get("thread")
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# if th and not th.is_alive():
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# cls._tasks.pop(udid, None)
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# LogManager.method_info(f"检测到 [{udid}] 线程已结束，自动清理。", "task")
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#
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# @classmethod
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# def register_child_pid(cls, udid: str, pid: int):
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# """业务里如果起了 adb/scrcpy/ffmpeg 等外部进程，请在启动后调用这个登记，便于 stop 时一起杀掉。"""
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# with cls._lock:
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# obj = cls._tasks.get(udid)
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# if not obj:
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# return
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# pids: set = obj.setdefault("child_pids", set())
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# pids.add(int(pid))
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# LogManager.method_info(f"[{udid}] 记录子进程 PID={pid}", "task")
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#
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# @classmethod
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# def _kill_child_pids(cls, udid: str, child_pids: Optional[set]):
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# if not child_pids:
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# return
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# for pid in list(child_pids):
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# try:
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# if psutil:
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# if psutil.pid_exists(pid):
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# proc = psutil.Process(pid)
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# # 先温柔 terminate，再等 0.5 秒，仍活则 kill；并级联子进程
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# for c in proc.children(recursive=True):
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# try:
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# c.terminate()
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# except Exception:
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# pass
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# proc.terminate()
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# gone, alive = psutil.wait_procs([proc], timeout=0.5)
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# for a in alive:
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# try:
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# a.kill()
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# except Exception:
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# pass
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# else:
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# if os.name == "nt":
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# os.system(f"taskkill /PID {pid} /T /F >NUL 2>&1")
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# else:
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# try:
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# os.kill(pid, signal.SIGTERM)
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# time.sleep(0.2)
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# os.kill(pid, signal.SIGKILL)
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# except Exception:
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# pass
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# LogManager.method_info(f"[{udid}] 已尝试结束子进程 PID={pid}", "task")
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# except Exception as e:
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# LogManager.method_error(f"[{udid}] 结束子进程 {pid} 异常: {e}", "task")
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#
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# @classmethod
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# def add(cls, udid: str, thread: threading.Thread, event: threading.Event, force: bool = False) -> Tuple[int, str]:
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# with cls._lock:
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# cls._cleanup_if_dead(udid)
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# old = cls._tasks.get(udid)
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# if old and old["thread"].is_alive():
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# if not force:
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# return 1001, "当前设备已存在任务"
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# LogManager.method_info(f"[{udid}] 检测到旧任务，尝试强制停止", "task")
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# cls._force_stop_locked(udid)
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#
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# # 强制守护线程，防止进程被挂死
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# try:
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# thread.daemon = True
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# except Exception:
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# pass
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#
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# try:
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# thread.start()
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# # 等 ident 初始化
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# for _ in range(20):
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# if thread.ident:
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# break
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# time.sleep(0.02)
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#
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# cls._tasks[udid] = {
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# "id": thread.ident,
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# "thread": thread,
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# "event": event,
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# "start_time": time.time(),
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# "state": "running",
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# "child_pids": set(),
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# }
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# LogManager.method_info(f"创建任务成功 [{udid}]，线程ID={thread.ident}", "task")
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# return 200, "创建成功"
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# except Exception as e:
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# LogManager.method_error(f"线程启动失败: {e}", "task")
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# return 1002, f"线程启动失败: {e}"
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#
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# @classmethod
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# def stop(cls, udid: str, stop_timeout: float = 5.0, kill_timeout: float = 2.0) -> Tuple[int, str]:
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# with cls._lock:
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# obj = cls._tasks.get(udid)
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# if not obj:
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# return 200, "任务不存在"
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#
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# thread = obj["thread"]
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# event = obj["event"]
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# tid = obj["id"]
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# child_pids = set(obj.get("child_pids") or [])
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#
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# LogManager.method_info(f"请求停止 [{udid}] 线程ID={tid}", "task")
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#
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# if not thread.is_alive():
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# cls._tasks.pop(udid, None)
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# return 200, "已结束"
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#
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# obj["state"] = "stopping"
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#
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# # 先把 event 打开，给协作退出的机会
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# try:
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# event.set()
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# except Exception as e:
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# LogManager.method_error(f"[{udid}] 设置停止事件失败: {e}", "task")
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#
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# def _wait_stop():
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# # 高频窗口 1s（很多 I/O 点会在这个窗口立刻感知到）
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# t0 = time.time()
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# while time.time() - t0 < 1.0 and thread.is_alive():
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# time.sleep(0.05)
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#
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# # 子进程先收拾（避免后台外部程序继续卡死）
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# cls._kill_child_pids(udid, child_pids)
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#
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# # 正常 join 窗口
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# if thread.is_alive():
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# thread.join(timeout=stop_timeout)
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#
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# # 仍活着 → 多次注入 SystemExit
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# if thread.is_alive():
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# LogManager.method_info(f"[{udid}] 协作超时 -> 尝试强杀注入", "task")
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# for i in range(6):
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# ok = _async_raise(tid, SystemExit)
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# # 给解释器一些调度时间
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# time.sleep(0.06)
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# if not thread.is_alive():
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# break
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#
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# # 最后等待 kill_timeout
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# if thread.is_alive():
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# thread.join(timeout=kill_timeout)
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#
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# with cls._lock:
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# if not thread.is_alive():
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# LogManager.method_info(f"[{udid}] 停止成功", "task")
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# cls._tasks.pop(udid, None)
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# else:
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# # 彻底杀不掉：标记 zombie、释放占位
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# LogManager.method_error(f"[{udid}] 停止失败（线程卡死），标记为 zombie，释放占位", "task")
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# obj = cls._tasks.get(udid)
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# if obj:
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# obj["state"] = "zombie"
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# cls._tasks.pop(udid, None)
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#
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# threading.Thread(target=_wait_stop, daemon=True).start()
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# return 200, "停止请求已提交"
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#
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# @classmethod
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# def _force_stop_locked(cls, udid: str):
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# """持锁情况下的暴力停止（用于 add(force=True) 覆盖旧任务）"""
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# obj = cls._tasks.get(udid)
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# if not obj:
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# return
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# th = obj["thread"]
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# tid = obj["id"]
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# event = obj["event"]
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# child_pids = set(obj.get("child_pids") or [])
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# try:
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# try:
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# event.set()
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# except Exception:
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# pass
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# cls._kill_child_pids(udid, child_pids)
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# th.join(timeout=1.5)
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# if th.is_alive():
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# for _ in range(6):
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# _async_raise(tid, SystemExit)
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# time.sleep(0.05)
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# if not th.is_alive():
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# break
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# th.join(timeout=0.8)
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# except Exception as e:
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# LogManager.method_error(f"[{udid}] 强制停止失败: {e}", "task")
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# finally:
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# cls._tasks.pop(udid, None)
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#
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# @classmethod
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# def status(cls, udid: str) -> Dict:
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# with cls._lock:
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# obj = cls._tasks.get(udid)
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# if not obj:
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# return {"exists": False}
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# o = {
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# "exists": True,
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# "state": obj.get("state"),
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# "start_time": obj.get("start_time"),
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# "thread_id": obj.get("id"),
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# "alive": obj["thread"].is_alive(),
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# "child_pids": list(obj.get("child_pids") or []),
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# }
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# return o
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#
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# # @classmethod
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# # def batch_stop(cls, ids: List[str]) -> Tuple[int, str]:
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# # failed = []
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# # with ThreadPoolExecutor(max_workers=4) as executor:
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# # futures = {executor.submit(cls.stop, udid): udid for udid in ids}
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# # for future in as_completed(futures):
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# # udid = futures[future]
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# # try:
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# # code, msg = future.result()
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# # except Exception as e:
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# # LogManager.method_error(f"[{udid}] stop 调用异常: {e}", "task")
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# # failed.append(udid)
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# # continue
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# # if code != 200:
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# # failed.append(udid)
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# # if failed:
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# # return 207, f"部分任务停止失败: {failed}"
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# # return 200, "全部停止请求已提交"
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#
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# @classmethod
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# def batch_stop(cls, ids: List[str]) -> Tuple[int, str]:
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# failed = []
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# results = []
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#
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# with ThreadPoolExecutor(max_workers=4) as executor:
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# futures = {executor.submit(cls.stop, udid): udid for udid in ids}
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# for future in as_completed(futures):
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# udid = futures[future]
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# try:
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# code, msg = future.result()
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# results.append((udid, code, msg))
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# except Exception as e:
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# LogManager.method_error(f"[{udid}] stop 调用异常: {e}", "task")
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# failed.append(udid)
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# continue
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# if code != 200:
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# failed.append(udid)
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#
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# # 等待所有线程完全停止
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# for udid, code, msg in results:
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# if code == 200:
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# obj = cls._tasks.get(udid)
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# if obj:
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# thread = obj["thread"]
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# while thread.is_alive():
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# time.sleep(0.1)
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#
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# if failed:
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# return 207, f"部分任务停止失败: {failed}"
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# return 200, "全部任务已成功停止"
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import ctypes
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import threading
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import time
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import os
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import signal
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from concurrent.futures import ThreadPoolExecutor, as_completed
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from typing import Dict, Tuple, List, Optional
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# 假设 LogManager 存在
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class MockLogManager:
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@staticmethod
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def method_error(msg, category):
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print(f"[ERROR:{category}] {msg}")
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@staticmethod
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def method_info(msg, category):
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print(f"[INFO:{category}] {msg}")
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LogManager = MockLogManager
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# from Utils.LogManager import LogManager # 恢复实际导入
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try:
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import psutil # 可选：用来级联杀子进程
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except Exception:
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psutil = None
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def _async_raise(tid: int, exc_type=SystemExit) -> bool:
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"""
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向指定线程异步注入异常。
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注意：此方法在线程阻塞于C/OS调用（如I/O等待）时可能无效或延迟。
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"""
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if not tid:
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LogManager.method_error("强杀失败: 线程ID为空", "task")
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return False
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try:
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res = ctypes.pythonapi.PyThreadState_SetAsyncExc(
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ctypes.c_long(tid), ctypes.py_object(exc_type)
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)
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if res == 0:
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# 线程可能已经退出
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return False
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elif res > 1:
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# 命中多个线程，非常罕见，回滚以防误杀
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ctypes.pythonapi.PyThreadState_SetAsyncExc(ctypes.c_long(tid), 0)
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LogManager.method_info(f"线程 {tid} 命中多个线程，已回滚", "task")
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return False
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return True
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except Exception as e:
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LogManager.method_error(f"强杀线程失败: {e}", "task")
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return False
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class ThreadManager:
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"""
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线程管理类：支持协作停止、强制注入SystemExit和级联杀死外部子进程。
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注意：stop 方法已改为同步阻塞，直到线程真正停止或被标记为zombie。
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"""
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_tasks: Dict[str, Dict] = {}
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_lock = threading.RLock()
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@classmethod
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def _cleanup_if_dead(cls, udid: str):
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obj = cls._tasks.get(udid)
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if obj:
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th = obj.get("thread")
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if th and not th.is_alive():
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cls._tasks.pop(udid, None)
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LogManager.method_info(f"检测到 [{udid}] 线程已结束，自动清理。", "task")
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@classmethod
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def register_child_pid(cls, udid: str, pid: int):
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"""登记外部子进程 PID，便于 stop 时一起杀掉。"""
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with cls._lock:
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obj = cls._tasks.get(udid)
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if not obj:
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return
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pids: set = obj.setdefault("child_pids", set())
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# 确保 pid 是 int 类型
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pids.add(int(pid))
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LogManager.method_info(f"[{udid}] 记录子进程 PID={pid}", "task")
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@classmethod
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def _kill_child_pids(cls, udid: str, child_pids: Optional[set]):
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"""终止所有已登记的外部子进程及其子进程（重要：用于解决 I/O 阻塞）。"""
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if not child_pids:
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return
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# 创建一个副本，防止迭代过程中集合被修改
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for pid in list(child_pids):
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try:
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if psutil:
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if psutil.pid_exists(pid):
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proc = psutil.Process(pid)
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# 级联终止所有后代进程
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for c in proc.children(recursive=True):
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try:
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c.terminate()
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except Exception:
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pass
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# 先温柔 terminate
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proc.terminate()
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gone, alive = psutil.wait_procs([proc], timeout=0.5)
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# 仍活则 kill
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for a in alive:
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try:
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a.kill()
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except Exception:
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pass
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else:
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# 无 psutil 时的系统命令兜底
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if os.name == "nt":
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# /T 级联杀死子进程 /F 强制 /NUL 隐藏输出
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os.system(f"taskkill /PID {pid} /T /F >NUL 2>&1")
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else:
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try:
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os.kill(pid, signal.SIGTERM)
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time.sleep(0.2)
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os.kill(pid, signal.SIGKILL)
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except Exception:
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pass
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LogManager.method_info(f"[{udid}] 已尝试结束子进程 PID={pid}", "task")
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except Exception as e:
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LogManager.method_error(f"[{udid}] 结束子进程 {pid} 异常: {e}", "task")
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# 在同步停止模式下，这里不主动清理 set。
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@classmethod
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def add(cls, udid: str, thread: threading.Thread, event: threading.Event, force: bool = False) -> Tuple[int, str]:
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with cls._lock:
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cls._cleanup_if_dead(udid)
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old = cls._tasks.get(udid)
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if old and old["thread"].is_alive():
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if not force:
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return 1001, "当前设备已存在任务"
|
||
LogManager.method_info(f"[{udid}] 检测到旧任务，尝试强制停止", "task")
|
||
cls._force_stop_locked(udid)
|
||
|
||
# 强制守护线程，防止进程被挂死
|
||
try:
|
||
thread.daemon = True
|
||
except Exception:
|
||
pass
|
||
|
||
try:
|
||
thread.start()
|
||
# 等 ident 初始化
|
||
for _ in range(20):
|
||
if thread.ident:
|
||
break
|
||
time.sleep(0.02)
|
||
|
||
# 获取线程 ID
|
||
tid = thread.ident
|
||
|
||
cls._tasks[udid] = {
|
||
"id": tid,
|
||
"thread": thread,
|
||
"event": event,
|
||
"start_time": time.time(),
|
||
"state": "running",
|
||
"child_pids": set(),
|
||
}
|
||
LogManager.method_info(f"创建任务成功 [{udid}]，线程ID={tid}", "task")
|
||
return 200, "创建成功"
|
||
except Exception as e:
|
||
LogManager.method_error(f"线程启动失败: {e}", "task")
|
||
return 1002, f"线程启动失败: {e}"
|
||
|
||
@classmethod
|
||
def stop(cls, udid: str, stop_timeout: float = 5.0, kill_timeout: float = 2.0) -> Tuple[int, str]:
|
||
"""同步阻塞请求停止任务，直到线程真正停止或被标记为zombie。"""
|
||
# 1. 初始检查、状态设置和事件触发 (需要锁)
|
||
with cls._lock:
|
||
obj = cls._tasks.get(udid)
|
||
if not obj:
|
||
return 200, "任务不存在"
|
||
|
||
thread = obj["thread"]
|
||
event = obj["event"]
|
||
tid = obj["id"]
|
||
# 拷贝 child_pids，以便在释放锁后使用
|
||
child_pids = set(obj.get("child_pids") or [])
|
||
|
||
LogManager.method_info(f"请求停止 [{udid}] 线程ID={tid}", "task")
|
||
|
||
if not thread.is_alive():
|
||
cls._tasks.pop(udid, None)
|
||
return 200, "已结束"
|
||
|
||
obj["state"] = "stopping"
|
||
|
||
# 先把 event 打开，给协作退出的机会
|
||
try:
|
||
event.set()
|
||
except Exception as e:
|
||
LogManager.method_error(f"[{udid}] 设置停止事件失败: {e}", "task")
|
||
|
||
# 锁已释放。以下执行耗时的阻塞操作。
|
||
# ----------------- 阻塞停止逻辑开始 -----------------
|
||
|
||
# 2. 预等待窗口 1s
|
||
t0 = time.time()
|
||
while time.time() - t0 < 1.0 and thread.is_alive():
|
||
time.sleep(0.05)
|
||
|
||
# 3. 子进程先收拾 (优先解决 I/O 阻塞)
|
||
cls._kill_child_pids(udid, child_pids)
|
||
|
||
# 4. 正常 join 窗口
|
||
if thread.is_alive():
|
||
thread.join(timeout=stop_timeout)
|
||
|
||
# 5. 仍活着 → 多次注入 SystemExit
|
||
if thread.is_alive():
|
||
LogManager.method_info(f"[{udid}] 协作超时 -> 尝试强杀注入", "task")
|
||
for i in range(6):
|
||
# 确保 tid 存在
|
||
if tid:
|
||
_async_raise(tid, SystemExit)
|
||
time.sleep(0.06)
|
||
if not thread.is_alive():
|
||
break
|
||
|
||
# 6. 最后等待 kill_timeout
|
||
if thread.is_alive():
|
||
thread.join(timeout=kill_timeout)
|
||
|
||
# ----------------- 阻塞停止逻辑结束 -----------------
|
||
# 7. 清理和返回结果 (需要重新加锁)
|
||
final_result_code: int = 500
|
||
final_result_msg: str = "停止失败（线程卡死）"
|
||
|
||
with cls._lock:
|
||
if not thread.is_alive():
|
||
LogManager.method_info(f"[{udid}] 停止成功", "task")
|
||
cls._tasks.pop(udid, None)
|
||
final_result_code = 200
|
||
final_result_msg = "停止成功"
|
||
else:
|
||
# 彻底杀不掉：标记 zombie、释放占位
|
||
LogManager.method_error(f"[{udid}] 停止失败（线程卡死），标记为 zombie，释放占位", "task")
|
||
obj = cls._tasks.get(udid)
|
||
if obj:
|
||
obj["state"] = "zombie"
|
||
# 即使卡死，也移除任务记录，防止后续操作被阻塞
|
||
cls._tasks.pop(udid, None)
|
||
final_result_code = 500
|
||
final_result_msg = "停止失败（线程卡死）"
|
||
|
||
return final_result_code, final_result_msg
|
||
|
||
@classmethod
|
||
def _force_stop_locked(cls, udid: str):
|
||
"""持锁情况下的暴力停止（用于 add(force=True) 覆盖旧任务）"""
|
||
obj = cls._tasks.get(udid)
|
||
if not obj:
|
||
return
|
||
th = obj["thread"]
|
||
tid = obj["id"]
|
||
event = obj["event"]
|
||
child_pids = set(obj.get("child_pids") or [])
|
||
try:
|
||
try:
|
||
event.set()
|
||
except Exception:
|
||
pass
|
||
cls._kill_child_pids(udid, child_pids)
|
||
th.join(timeout=1.5)
|
||
if th.is_alive():
|
||
for _ in range(6):
|
||
if tid:
|
||
_async_raise(tid, SystemExit)
|
||
time.sleep(0.05)
|
||
if not th.is_alive():
|
||
break
|
||
th.join(timeout=0.8)
|
||
except Exception as e:
|
||
LogManager.method_error(f"[{udid}] 强制停止失败: {e}", "task")
|
||
finally:
|
||
cls._tasks.pop(udid, None)
|
||
|
||
@classmethod
|
||
def status(cls, udid: str) -> Dict:
|
||
with cls._lock:
|
||
obj = cls._tasks.get(udid)
|
||
if not obj:
|
||
return {"exists": False}
|
||
o = {
|
||
"exists": True,
|
||
"state": obj.get("state"),
|
||
"start_time": obj.get("start_time"),
|
||
"thread_id": obj.get("id"),
|
||
"alive": obj["thread"].is_alive(),
|
||
"child_pids": list(obj.get("child_pids") or []),
|
||
}
|
||
return o
|
||
|
||
@classmethod
|
||
def batch_stop(cls, ids: List[str]) -> Tuple[int, str]:
|
||
"""
|
||
批量停止任务。由于 stop 方法现在是同步阻塞的，此方法将等待所有线程完全停止后返回。
|
||
"""
|
||
failed = []
|
||
|
||
# 1. 并发发出所有停止请求 (现在是并发执行阻塞停止)
|
||
with ThreadPoolExecutor(max_workers=4) as executor:
|
||
futures = {executor.submit(cls.stop, udid): udid for udid in ids}
|
||
for future in as_completed(futures):
|
||
udid = futures[future]
|
||
try:
|
||
code, msg = future.result()
|
||
# 检查是否成功停止（状态码 200）
|
||
if code != 200:
|
||
failed.append(f"{udid} ({msg})")
|
||
except Exception as e:
|
||
LogManager.method_error(f"[{udid}] stop 调用异常: {e}", "task")
|
||
failed.append(f"{udid} (异常)")
|
||
|
||
# 2. 返回结果
|
||
if failed:
|
||
# 返回 207 表示部分失败或全部失败
|
||
return 207, f"部分任务停止失败: {', '.join(failed)}"
|
||
|
||
# 返回 200 表示所有任务都已成功停止（因为 stop 方法是同步阻塞的）
|
||
return 200, "全部任务已成功停止" |