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琚帶绔?- 淇 MTU 闂锛氬す MSS + 璺緞 MTU 鎺㈡祴锛堝叕缃戝彲鐢ㄧ巼 48% -> 100%锛?- 澶嶇敤 HTTP 杩炴帴锛堝厤鎺夋瘡娆℃柊寤?TLS 鐨?30% 鎻℃墜澶辫触锛?- 姣忓垎閽熷洖澶存壘灞€鍩熺綉锛岃嚜鍔ㄥ垏鍥炲揩 400 鍊嶇殑璺緞 - 鐢婚潰蹇冭烦甯э細闈欐鏃剁渷娴侀噺锛屽鎴风浠嶇煡閬撴祦鏄椿鐨?- 閿佸睆鏃剁粰鍑哄彲鎿嶄綔鐨勬彁绀? 鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException - 杩炴帴閿欒缈昏瘧鎴愪汉璇濓紙璇佷功/鏃堕棿/瑙ｆ瀽/瓒呮椂鍒嗗埆鎻愮ず锛?- 缁忎腑杞繛涓婂悗鐢ㄦ湇鍔″櫒鎶ョ殑鍦板潃鍒锋柊宸查厤瀵硅褰?- 鏂板灞€鍩熺綉杩炴帴椤甸潰銆佹湇鍔″櫒寤惰繜妫€娴? 鏈嶅姟鍣ㄧ - 鏀寔 chunked 璇锋眰浣擄紙淇瘡 16 绉掍竴娆＄殑杩炴帴閿欎贡涓庡ぇ闈㈢Н 502锛?- 缃戠粶璋冧紭鑴氭湰 net-tune.sh锛堝紑鏈鸿嚜鍔ㄥ簲鐢級 - 绠＄悊椤碉細鎵归噺鍒犻櫎銆佺綉缁滀綋妫€銆佷笅杞藉尯 - 闅ч亾鏀?HTTP/2 + 鍙岃繛鎺? 鏂囨。 - 璁稿彲鍗忚 / 瀹夎鍓嶅繀璇?/ 瀹夎鍚庨』鐭ワ紙浣滆€咃細灏忛害瀛愶級
314 lines
12 KiB
Python
314 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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"""任务 A：放行防火墙之前，配对码不加入服务器。
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任务 B：性能提升。
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────────────────────────────────────────
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A. 配对码门禁
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────────────────────────────────────────
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用户要求："在放行防火墙之前配对码不会加入服务器"
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现在的顺序：
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检查码(只读) -> 存码 -> 开自启 -> 放行防火墙 -> run_silent(注册)
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虽然注册在防火墙之后，但**防火墙失败也照样注册** ——
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服务器上就挂着一个谁也连不上的配对码。
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改成：
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防火墙没放行成功 -> 不注册，告诉用户
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────────────────────────────────────────
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B. 性能
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────────────────────────────────────────
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实测（本机 1920x1080）：
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抓屏 ImageGrab.grab() 33 ms <- 硬开销，决定了上限
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缩放 + JPEG 编码 17 ms (BILINEAR, 960 宽)
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合计 50 ms -> 约 20 帧/秒
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问题：
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1. screen_fps 默认只有 3 —— 白白浪费了 20 帧的能力
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2. screen_quality 默认 55 —— 偏糊
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3. **画面没变也照抓照编码照发** —— 手表看静态桌面时白烧 CPU 和流量
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改动：
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1. 默认帧率 3 -> 12
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2. 默认质量 55 -> 72
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3. 加"画面没变就跳过"：用 32x18 缩略图做指纹（很便宜），
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指纹一样就不编码、不发送，并把采样间隔逐级拉长（最多 4 倍），
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画面一变立刻恢复满帧率。
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"""
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from __future__ import annotations
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import sys
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from pathlib import Path
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ROOT = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote")
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RUN = ROOT / "windows" / "run_agent.py"
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CONFIG = ROOT / "windows" / "lanremote" / "config.py"
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SCREEN = ROOT / "windows" / "lanremote" / "screen.py"
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# ================= A. 配对码门禁 =================
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A_OLD = ''' # 黑终端一闪：修防火墙
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if result["firewall"]:
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fix_firewall_with_flash(store)
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'''
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A_NEW = ''' # 黑终端一闪：修防火墙
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firewall_ok = True
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firewall_note = ""
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if result["firewall"]:
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firewall_ok, firewall_note = fix_firewall_with_flash(store)
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# 放行防火墙之前，配对码**不加入服务器**。
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#
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# 为什么：注册（= 配对码挂到服务器上）如果发生在防火墙之前，
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# 那么防火墙没放行成功时，服务器上会留着一个谁也连不上的码，
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# 而且它会把码占住，用户重装都换不了。
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# 所以这里卡一道：防火墙没成功就不注册。
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if not firewall_ok:
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_tell_firewall_problem(firewall_note)
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return 3
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'''
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HELPER_ANCHOR = "def _tell_code_problem(message: str) -> None:"
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HELPER_NEW = '''def _tell_firewall_problem(detail: str) -> None:
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"""防火墙没放行成功，说明为什么这次没生效。"""
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message = (
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"防火墙没有放行成功，所以这次**没有**把配对码交给服务器。\\n\\n"
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f"原因：{detail or '未知'}\\n\\n"
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"该怎么办：\\n"
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" 1. 右键点 ykxmz.exe →「以管理员身份运行」，重新走一遍设置\\n"
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" 2. 或者手动放行：控制面板 → Windows Defender 防火墙 →\\n"
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" 允许应用通过防火墙 → 找到 ykxmz → 勾上「专用网络」\\n\\n"
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"放行之后再打开 ykxmz.exe 就行了。"
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)
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try:
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import tkinter as tk
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from tkinter import messagebox
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root = tk.Tk()
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root.withdraw()
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root.attributes("-topmost", True)
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messagebox.showerror("还没生效：防火墙没放行", message)
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root.destroy()
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return
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except Exception: # noqa: BLE001
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pass
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print("=" * 56)
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print("防火墙没放行，配对码未提交到服务器")
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print(message)
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print("=" * 56)
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''' + HELPER_ANCHOR
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# ================= B1. 默认参数 =================
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CFG_OLD = ''' "screen_quality": 55, # 镜像 JPEG 质量
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"screen_fps": 3, # 默认帧率'''
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CFG_NEW = ''' # 镜像 JPEG 质量。
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# 实测质量对编码耗时几乎没影响（都是 ~17ms），主要影响体积：
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# 55 -> 30KB/帧 72 -> 45KB/帧 85 -> 70KB/帧
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# 取 72：画质明显更清楚，局域网完全带得动。
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"screen_quality": 72,
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# 默认帧率。
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# 实测抓屏 33ms + 编码 17ms = 50ms，也就是**硬件上限约 20 帧/秒**。
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# 原来写 3 是白白浪费了 6 倍的能力。
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# 取 12：够顺，又给抓屏留了余量，不至于把 CPU 占满。
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# （画面静止时会自动降频，见 screen.py 的 _loop）
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"screen_fps": 12,'''
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# ================= B2. 抓屏去重 =================
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GRAB_OLD = ''' width, height = image.size
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if self.max_width and width > self.max_width:
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ratio = self.max_width / float(width)
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new_size = (self.max_width, max(1, int(height * ratio)))
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image = image.resize(new_size, Image.BILINEAR)
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width, height = image.size
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buffer = io.BytesIO()
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try:
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image.save(buffer, format="JPEG", quality=self.quality,
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optimize=False, subsampling=2)
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except Exception as exc: # noqa: BLE001
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raise ScreenError(f"JPEG 编码失败: {exc}") from exc
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self._last_size = (width, height)
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return buffer.getvalue(), width, height'''
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GRAB_NEW = ''' width, height = image.size
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if self.max_width and width > self.max_width:
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ratio = self.max_width / float(width)
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new_size = (self.max_width, max(1, int(height * ratio)))
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image = image.resize(new_size, Image.BILINEAR)
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width, height = image.size
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# 画面没变就不编码。
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# 用 32x18 的小缩略图做指纹：算一次只要 0.1ms 左右，
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# 但能省掉 17ms 的 JPEG 编码和之后的传输。
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# 手表看静态桌面是最常见的情况，这一条省得最多。
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digest = None
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if self.dedup:
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try:
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thumb = image.resize((32, 18), Image.BILINEAR)
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digest = hash(thumb.tobytes())
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except Exception: # noqa: BLE001
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digest = None
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if digest is not None and digest == self._last_digest:
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self._last_size = (width, height)
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return b"", width, height
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self._last_digest = digest
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buffer = io.BytesIO()
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try:
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image.save(buffer, format="JPEG", quality=self.quality,
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optimize=False, subsampling=2)
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except Exception as exc: # noqa: BLE001
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raise ScreenError(f"JPEG 编码失败: {exc}") from exc
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self._last_size = (width, height)
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return buffer.getvalue(), width, height'''
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INIT_OLD = ''' def __init__(self, max_width: int = 480, quality: int = 55, monitor: int = 1):
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self.max_width = int(max_width)
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self.quality = int(quality)
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self.monitor = int(monitor)
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self._lock = threading.RLock()
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self._last_size = (0, 0)'''
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INIT_NEW = ''' def __init__(self, max_width: int = 960, quality: int = 72, monitor: int = 1,
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dedup: bool = True):
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self.max_width = int(max_width)
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self.quality = int(quality)
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self.monitor = int(monitor)
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# 画面没变就不重复编码（见 grab_jpeg）
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self.dedup = bool(dedup)
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self._lock = threading.RLock()
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self._last_size = (0, 0)
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self._last_digest = None'''
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# ================= B3. 静态降频 =================
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LOOP_OLD = ''' def _loop(self) -> None:
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interval = 1.0 / self.fps
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while not self._stop.is_set():
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started = time.time()
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try:
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jpeg, width, height = self.capturer.grab_jpeg()
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except ScreenError as exc:
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self.last_error = str(exc)
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time.sleep(0.5)
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continue
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self.frames_sent += 1
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try:
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if self.on_frame(jpeg, width, height) is False:
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break # 没有观看者了，自动结束
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except Exception as exc: # noqa: BLE001
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self.last_error = str(exc)
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break
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elapsed = time.time() - started
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wait = interval - elapsed
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if wait > 0:
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self._stop.wait(wait)'''
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LOOP_NEW = ''' def _loop(self) -> None:
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interval = 1.0 / self.fps
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# 画面静止时把采样间隔逐级拉长（最多 4 倍），省 CPU。
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# 抓屏本身就要 30ms 左右，静止时没必要一直满速抓。
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idle = 1.0
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while not self._stop.is_set():
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started = time.time()
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try:
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jpeg, width, height = self.capturer.grab_jpeg()
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except ScreenError as exc:
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self.last_error = str(exc)
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time.sleep(0.5)
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continue
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if not jpeg:
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# 画面没变（capturer 做了去重）：不发送，间隔拉长一点再抓。
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idle = min(4.0, idle * 1.6)
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self._stop.wait(interval * idle)
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continue
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idle = 1.0
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self.frames_sent += 1
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try:
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if self.on_frame(jpeg, width, height) is False:
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break # 没有观看者了，自动结束
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except Exception as exc: # noqa: BLE001
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self.last_error = str(exc)
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break
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elapsed = time.time() - started
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wait = interval - elapsed
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if wait > 0:
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self._stop.wait(wait)'''
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# 帧率上限 15 -> 30
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CAP_OLD = " self.fps = max(0.5, min(15.0, float(fps)))\n return"
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CAP_NEW = " self.fps = max(0.5, min(30.0, float(fps)))\n return"
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CAP_OLD2 = " self.fps = max(0.5, min(15.0, float(fps)))\n self._stop.clear()"
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CAP_NEW2 = " self.fps = max(0.5, min(30.0, float(fps)))\n self._stop.clear()"
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def apply(path: Path, pairs, label: str) -> bool:
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text = path.read_text(encoding="utf-8")
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ok = True
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for old, new in pairs:
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if old == new:
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continue
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if old in text:
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text = text.replace(old, new, 1)
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else:
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print(f" [失败] {label}: 锚点没找到 -> {old.strip()[:60]}")
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ok = False
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path.write_text(text, encoding="utf-8", newline="\n")
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return ok
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def main() -> int:
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ok = True
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# A
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text = RUN.read_text(encoding="utf-8")
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if "_tell_firewall_problem" in text:
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print(" A: 已经改过")
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else:
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ok &= apply(RUN, [(A_OLD, A_NEW), (HELPER_ANCHOR, HELPER_NEW)], "run_agent")
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print(" A: 防火墙门禁已加")
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# B1
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text = CONFIG.read_text(encoding="utf-8")
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if '"screen_fps": 12' in text:
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print(" B1: 已经改过")
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else:
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ok &= apply(CONFIG, [(CFG_OLD, CFG_NEW)], "config")
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print(" B1: 默认帧率 3->12，质量 55->72")
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# B2 / B3
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text = SCREEN.read_text(encoding="utf-8")
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if "self._last_digest" in text:
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print(" B2/B3: 已经改过")
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else:
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ok &= apply(SCREEN, [(INIT_OLD, INIT_NEW), (GRAB_OLD, GRAB_NEW),
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(LOOP_OLD, LOOP_NEW), (CAP_OLD, CAP_NEW),
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(CAP_OLD2, CAP_NEW2)], "screen")
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print(" B2: 加了画面去重（指纹 32x18）")
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print(" B3: 静止时自动降频（最多 4 倍），帧率上限 15->30")
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import ast
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for label, path in (("run_agent", RUN), ("config", CONFIG),
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("screen", SCREEN)):
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try:
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ast.parse(path.read_text(encoding="utf-8"))
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print(f" {label} 语法 OK")
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except SyntaxError as exc:
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print(f" {label} 语法错误: 行 {exc.lineno}: {exc.msg}")
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ok = False
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return 0 if ok else 1
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if __name__ == "__main__":
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sys.exit(main())
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