优化批量停止任务

This commit is contained in:
2025-10-25 01:18:41 +08:00
parent 27426f1f8f
commit 3c3bde7df9

View File

@@ -1,13 +1,17 @@
import ctypes import ctypes
import threading import threading
import time import time
from concurrent.futures import ThreadPoolExecutor, as_completed
from typing import Dict, Tuple, List from typing import Dict, Tuple, List
from Utils.LogManager import LogManager from Utils.LogManager import LogManager
def _async_raise(tid: int, exc_type=KeyboardInterrupt) -> bool: def _async_raise(tid: int, exc_type=KeyboardInterrupt) -> bool:
"""向指定线程抛异常(兜底方案)""" """向指定线程抛异常"""
if not tid:
LogManager.method_error(f"强杀失败: 线程ID为空", "task")
return False
try: try:
res = ctypes.pythonapi.PyThreadState_SetAsyncExc( res = ctypes.pythonapi.PyThreadState_SetAsyncExc(
ctypes.c_long(tid), ctypes.py_object(exc_type) ctypes.c_long(tid), ctypes.py_object(exc_type)
@@ -31,7 +35,6 @@ class ThreadManager:
@classmethod @classmethod
def _cleanup_if_dead(cls, udid: str): def _cleanup_if_dead(cls, udid: str):
"""如果任务线程已结束,清理占位"""
obj = cls._tasks.get(udid) obj = cls._tasks.get(udid)
if obj and not obj["thread"].is_alive(): if obj and not obj["thread"].is_alive():
cls._tasks.pop(udid, None) cls._tasks.pop(udid, None)
@@ -41,8 +44,6 @@ class ThreadManager:
def add(cls, udid: str, thread: threading.Thread, event: threading.Event, force: bool = False) -> Tuple[int, str]: def add(cls, udid: str, thread: threading.Thread, event: threading.Event, force: bool = False) -> Tuple[int, str]:
with cls._lock: with cls._lock:
cls._cleanup_if_dead(udid) cls._cleanup_if_dead(udid)
# 已存在任务还在运行
old = cls._tasks.get(udid) old = cls._tasks.get(udid)
if old and old["thread"].is_alive(): if old and old["thread"].is_alive():
if not force: if not force:
@@ -50,9 +51,14 @@ class ThreadManager:
LogManager.method_info(f"[{udid}] 检测到旧任务,尝试强制停止", "task") LogManager.method_info(f"[{udid}] 检测到旧任务,尝试强制停止", "task")
cls._force_stop_locked(udid) cls._force_stop_locked(udid)
# 启动新任务
try: try:
thread.start() thread.start()
# 等待 ident 初始化
for _ in range(10):
if thread.ident:
break
time.sleep(0.05)
cls._tasks[udid] = { cls._tasks[udid] = {
"id": thread.ident, "id": thread.ident,
"thread": thread, "thread": thread,
@@ -67,7 +73,6 @@ class ThreadManager:
@classmethod @classmethod
def stop(cls, udid: str, stop_timeout: float = 5.0, kill_timeout: float = 2.0) -> Tuple[int, str]: def stop(cls, udid: str, stop_timeout: float = 5.0, kill_timeout: float = 2.0) -> Tuple[int, str]:
"""安全停止单个任务"""
with cls._lock: with cls._lock:
obj = cls._tasks.get(udid) obj = cls._tasks.get(udid)
if not obj: if not obj:
@@ -79,41 +84,37 @@ class ThreadManager:
LogManager.method_info(f"请求停止 [{udid}] 线程ID={tid}", "task") LogManager.method_info(f"请求停止 [{udid}] 线程ID={tid}", "task")
# 已经结束
if not thread.is_alive(): if not thread.is_alive():
cls._tasks.pop(udid, None) cls._tasks.pop(udid, None)
return 200, "已结束" return 200, "已结束"
# 1. 协作式停止 # 协作式停止
try: try:
event.set() event.set()
except Exception as e: except Exception as e:
LogManager.method_error(f"[{udid}] 设置停止事件失败: {e}", "task") LogManager.method_error(f"[{udid}] 设置停止事件失败: {e}", "task")
# 🔹 不阻塞主线程
def _wait_stop():
thread.join(timeout=stop_timeout) thread.join(timeout=stop_timeout)
if not thread.is_alive(): if thread.is_alive():
cls._tasks.pop(udid, None) LogManager.method_info(f"[{udid}] 协作超时 -> 尝试强杀", "task")
LogManager.method_info(f"[{udid}] 协作式停止成功", "task") _async_raise(tid)
return 200, "已停止"
# 2. 强杀兜底
LogManager.method_info(f"[{udid}] 协作式超时,尝试强杀", "task")
if _async_raise(tid):
thread.join(timeout=kill_timeout) thread.join(timeout=kill_timeout)
if not thread.is_alive(): if not thread.is_alive():
cls._tasks.pop(udid, None) LogManager.method_info(f"[{udid}] 停止成功", "task")
LogManager.method_info(f"[{udid}] 强杀成功", "task") else:
return 200, "已停止" LogManager.method_error(f"[{udid}] 停止失败(线程卡死),已清理占位", "task")
# 3. 最终兜底:标记释放占位 with cls._lock:
LogManager.method_error(f"[{udid}] 无法停止(线程可能卡死),已释放占位", "task") cls._tasks.pop(udid, None)
cls._tasks.pop(udid, None)
return 206, "停止超时,线程可能仍在后台运行" threading.Thread(target=_wait_stop, daemon=True).start()
return 200, "停止请求已提交"
@classmethod @classmethod
def _force_stop_locked(cls, udid: str): def _force_stop_locked(cls, udid: str):
"""内部用,带锁强制停止旧任务"""
obj = cls._tasks.get(udid) obj = cls._tasks.get(udid)
if not obj: if not obj:
return return
@@ -132,10 +133,13 @@ class ThreadManager:
@classmethod @classmethod
def batch_stop(cls, ids: List[str]) -> Tuple[int, str]: def batch_stop(cls, ids: List[str]) -> Tuple[int, str]:
failed = [] failed = []
for udid in ids: with ThreadPoolExecutor(max_workers=4) as executor:
code, msg = cls.stop(udid) futures = {executor.submit(cls.stop, udid): udid for udid in ids}
if code != 200: for future in as_completed(futures):
failed.append(udid) code, msg = future.result()
if code != 200:
failed.append(futures[future])
if failed: if failed:
return 207, f"部分任务未成功停止: {failed}" return 207, f"部分任务停止失败: {failed}"
return 200, "全部停止成功" return 200, "全部停止请求已提交"