327 lines
11 KiB
Python
327 lines
11 KiB
Python
import os
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import signal
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import subprocess
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import time
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from concurrent.futures import ThreadPoolExecutor, as_completed
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from pathlib import Path
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from typing import Dict, Optional, List
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import tidevice
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import wda
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from tidevice import Usbmux, ConnectionType
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from tidevice._device import BaseDevice
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from Entity.DeviceModel import DeviceModel
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from Entity.Variables import WdaAppBundleId
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from Module.FlaskSubprocessManager import FlaskSubprocessManager
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from Utils.LogManager import LogManager
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import socket
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import http.client
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from collections import defaultdict
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import psutil
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class DeviceInfo:
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def __init__(self):
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self._port = 9110
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self._models: Dict[str, DeviceModel] = {}
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self._procs: Dict[str, subprocess.Popen] = {}
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self._manager = FlaskSubprocessManager.get_instance()
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self._iproxy_path = self._find_iproxy()
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self._pool = ThreadPoolExecutor(max_workers=6)
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self._last_heal_check_ts = 0.0
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self._heal_backoff: Dict[str, float] = defaultdict(float) # udid -> next_allowed_ts
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# ---------------- 主循环 ----------------
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def listen(self):
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orphan_gc_tick = 0
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while True:
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online = {d.udid for d in Usbmux().device_list() if d.conn_type == ConnectionType.USB}
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# 拔掉——同步
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for udid in list(self._models):
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if udid not in online:
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self._remove_device(udid)
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# 插上——异步
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new = [u for u in online if u not in self._models]
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if new:
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futures = {self._pool.submit(self._add_device, u): u for u in new}
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for f in as_completed(futures, timeout=30):
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try:
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f.result()
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except Exception as e:
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LogManager.error(f"异步连接失败：{e}")
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# 定期健康检查 + 自愈
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self._check_and_heal_tunnels(interval=2.0)
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# 每 10 次（约10秒）清理一次孤儿 iproxy
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orphan_gc_tick += 1
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if orphan_gc_tick >= 10:
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orphan_gc_tick = 0
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self._cleanup_orphan_iproxy()
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time.sleep(1)
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# ---------------- 新增设备 ----------------
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def _add_device(self, udid: str):
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if not self._trusted(udid):
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return
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r = self.startWda(udid)
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if r is False:
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LogManager.info("启动wda失败")
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return
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w, h, s = self._screen_info(udid)
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if w == 0 or h == 0 or s == 0:
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print("未获取到设备屏幕信息")
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return
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port = self._alloc_port()
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proc = self._start_iproxy(udid, port)
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if not proc:
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return
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model = DeviceModel(deviceId=udid, screenPort=port,
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width=w, height=h, scale=s, type=1)
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model.ready = True
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self._models[udid] = model
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self._procs[udid] = proc
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self._manager_send(model)
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# ---------------- 移除设备 ----------------
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def _remove_device(self, udid: str):
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model = self._models.pop(udid, None)
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if not model:
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return
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model.type = 2
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self._kill(self._procs.pop(udid, None))
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self._manager_send(model)
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# ---------------- 工具函数 ----------------
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def _trusted(self, udid: str) -> bool:
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try:
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BaseDevice(udid).get_value("DeviceName")
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return True
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except Exception:
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return False
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def startWda(self, udid):
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print("进入启动wda方法")
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try:
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dev = tidevice.Device(udid)
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print("获取tidevice对象成功，准备启动wda")
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dev.app_start(WdaAppBundleId)
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print("启动wda成功")
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time.sleep(3)
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return True
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except Exception as e:
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print("启动wda遇到错误:", e)
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return False
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def _screen_info(self, udid: str):
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try:
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c = wda.USBClient(udid, 8100)
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c.home()
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size = c.window_size()
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scale = c.scale
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return int(size.width), int(size.height), float(scale)
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except Exception as e:
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print("获取设备信息遇到错误：", e)
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return 0, 0, 0
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...
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# ---------------- 原来代码不变，只替换下面一个函数 ----------------
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def _start_iproxy(self, udid: str, port: int) -> Optional[subprocess.Popen]:
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try:
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# 确保端口空闲；不空闲则尝试换一个
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if not self._is_port_free(port):
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port = self._pick_free_port(max(self._port, port))
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# 隐藏窗口 & 独立进程组（更好地终止）
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flags = subprocess.CREATE_NO_WINDOW | subprocess.CREATE_NEW_PROCESS_GROUP
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return subprocess.Popen(
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[self._iproxy_path, "-u", udid, str(port), "9100"],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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creationflags=flags
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)
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except Exception as e:
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print(e)
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return None
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def _kill(self, proc: Optional[subprocess.Popen]):
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if not proc:
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return
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try:
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proc.terminate()
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proc.wait(timeout=2)
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except Exception:
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try:
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os.kill(proc.pid, signal.SIGKILL)
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except Exception:
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pass
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def _alloc_port(self) -> int:
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return self._pick_free_port(max(self._port, self._port))
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def _manager_send(self, model: DeviceModel):
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try:
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self._manager.send(model.toDict())
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except Exception:
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pass
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def _find_iproxy(self) -> str:
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base = Path(__file__).resolve().parent.parent
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name = "iproxy.exe"
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path = base / "resources" / "iproxy" / name
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print(str(path))
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if path.is_file():
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return str(path)
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raise FileNotFoundError(f"iproxy 不存在: {path}")
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# ------------ Windows 专用：列出所有 iproxy 命令行 ------------
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def _get_all_iproxy_cmdlines(self) -> List[str]:
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"""
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使用 psutil 枚举 iproxy 进程，避免调用 wmic 造成的黑框闪烁。
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返回形如："<完整命令行> <pid>" 的列表（兼容你后续的解析逻辑）。
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"""
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lines: List[str] = []
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for p in psutil.process_iter(attrs=["name", "cmdline", "pid"]):
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try:
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name = (p.info.get("name") or "").lower()
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if name != "iproxy.exe":
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continue
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cmdline = p.info.get("cmdline") or []
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if not cmdline:
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continue
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# 与原逻辑保持一致：仅收集包含 -u 的 iproxy（我们需要解析 udid）
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if "-u" in cmdline:
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cmd = " ".join(cmdline)
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lines.append(f"{cmd} {p.info['pid']}")
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except (psutil.NoSuchProcess, psutil.AccessDenied):
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continue
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return lines
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# ------------ 杀孤儿 ------------
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def _cleanup_orphan_iproxy(self):
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live_udids = set(self._models.keys())
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for ln in self._get_all_iproxy_cmdlines():
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parts = ln.split()
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try:
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udid = parts[parts.index('-u') + 1]
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pid = int(parts[-1])
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if udid not in live_udids:
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self._kill_pid_gracefully(pid)
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LogManager.warning(f'扫到孤儿 iproxy，已清理 {udid} PID={pid}')
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except (ValueError, IndexError):
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continue
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# ------------ 按 PID 强杀 ------------
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def _kill_pid_gracefully(self, pid: int):
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try:
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p = psutil.Process(pid)
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p.terminate()
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try:
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p.wait(timeout=1.0)
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except psutil.TimeoutExpired:
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p.kill()
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except Exception:
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pass
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def _is_port_free(self, port: int) -> bool:
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.settimeout(0.2)
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try:
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s.bind(("127.0.0.1", port))
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return True
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except OSError:
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return False
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def _pick_free_port(self, start: int = None, limit: int = 2000) -> int:
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"""从 start 起向上找一个空闲端口。"""
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p = self._port if start is None else start
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tried = 0
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while tried < limit:
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p += 1
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tried += 1
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if self._is_port_free(p):
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self._port = p # 更新游标
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return p
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raise RuntimeError("未找到可用端口（扫描范围内）")
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def _health_check_mjpeg(self, port: int, timeout: float = 1.0) -> bool:
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"""
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对 http://127.0.0.1:<port>/ 做非常轻量的探活。
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WDA mjpegServer(默认9100)通常根路径就会有 multipart/x-mixed-replace。
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"""
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try:
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conn = http.client.HTTPConnection("127.0.0.1", port, timeout=timeout)
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conn.request("GET", "/")
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resp = conn.getresponse()
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# 2xx/3xx 都算活；某些构建下会是 200 带 multipart，也可能 302
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alive = 200 <= resp.status < 400
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# 尽量少读：只读很少字节避免成本
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try:
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resp.read(256)
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except Exception:
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pass
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conn.close()
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return alive
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except Exception:
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return False
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def _restart_iproxy(self, udid: str):
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"""重启某个 udid 的 iproxy（带退避）"""
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now = time.time()
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next_allowed = self._heal_backoff[udid]
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if now < next_allowed:
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return # 处于退避窗口内，先不重启
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proc = self._procs.get(udid)
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if proc:
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self._kill(proc)
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# 让端口真正释放
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time.sleep(0.3)
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model = self._models.get(udid)
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if not model:
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return
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# 如果端口被别的进程占用了，换一个新端口并通知管理器
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if not self._is_port_free(model.screenPort):
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new_port = self._pick_free_port(max(self._port, model.screenPort))
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model.screenPort = new_port
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self._models[udid] = model
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self._manager_send(model) # 通知前端/上位机端口变化
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proc2 = self._start_iproxy(udid, model.screenPort)
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if not proc2:
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# 启动失败，设置退避（逐步增加上限）
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self._heal_backoff[udid] = now + 2.0
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return
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self._procs[udid] = proc2
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# 成功后缩短退避
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self._heal_backoff[udid] = now + 0.5
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def _check_and_heal_tunnels(self, interval: float = 2.0):
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"""
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定期巡检所有在线设备的本地映射端口是否“活着”，不活就重启 iproxy。
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"""
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now = time.time()
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if now - self._last_heal_check_ts < interval:
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return
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self._last_heal_check_ts = now
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for udid, model in list(self._models.items()):
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port = model.screenPort
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if port <= 0:
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continue
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ok = self._health_check_mjpeg(port, timeout=0.8)
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if not ok:
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LogManager.warning(f"端口失活，准备自愈：udid={udid} port={port}")
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self._restart_iproxy(udid)
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