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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
96 lines
3.5 KiB
Python
96 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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"""验证 MTU 调优脚本和安装集成。
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为什么值得单独回归：
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这是这次可用率从 48% 提到 100% 的关键，而且**很容易被后人误改** ——
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比如"顺手把接口 MTU 也降一点"（实测那样会掉到 50%）。
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所以把关键决策钉在测试里。
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"""
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from __future__ import annotations
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import re
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import subprocess
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import sys
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from pathlib import Path
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ROOT = Path(__file__).resolve().parent.parent
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NET_TUNE = ROOT / "relay" / "net-tune.sh"
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INSTALL = ROOT / "relay" / "install.sh"
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passed = 0
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failed = 0
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def check(name, ok, detail=""):
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global passed, failed
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if ok:
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passed += 1
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print(" [PASS] " + name)
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else:
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failed += 1
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print(" [FAIL] " + name + " " + str(detail))
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def main() -> int:
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print("一、调优脚本本身")
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check("net-tune.sh 在", NET_TUNE.is_file())
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if not NET_TUNE.is_file():
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return 1
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text = NET_TUNE.read_text(encoding="utf-8")
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# bash 语法（在 Linux 上才有 bash，本机没有就跳过）
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check("打开 tcp_mtu_probing", "tcp_mtu_probing=1" in text)
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check("夹 MSS", "--set-mss" in text)
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check("MSS 默认值合理（1300~1440）",
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bool(re.search(r"MSS_VALUE=\$\{MSS_VALUE:-(\d+)\}", text))
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and 1300 <= int(re.search(r"MSS_VALUE=\$\{MSS_VALUE:-(\d+)\}", text)
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.group(1)) <= 1440,
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re.search(r"MSS_VALUE=.*", text).group(0) if "MSS_VALUE" in text else "")
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check("OUTPUT 链上夹", "OUTPUT" in text)
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check("POSTROUTING 链上夹", "POSTROUTING" in text)
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# 关键：明确写了不要改接口 MTU，并且确实把接口 MTU 设回 1500
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check("不把接口 MTU 调小（写回了 1500）",
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"mtu 1500" in text, "接口 MTU 降到 1400 实测会掉到 50%")
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check("注释里说明了为什么不动接口 MTU",
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"不要改接口 MTU" in text or "反而" in text)
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# 清理旧规则，避免重启后越积越多
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check("会先清掉旧 MSS 规则", "-D" in text and "while" in text)
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print()
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print("二、安装脚本带上了它")
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check("install.sh 在", INSTALL.is_file())
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install = INSTALL.read_text(encoding="utf-8")
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check("有 [3c] 网络调优段", "[3c]" in install)
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check("会拷 net-tune.sh", "net-tune.sh" in install)
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check("会写 sysctl 配置", "99-lanremote-mtu.conf" in install)
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check("会注册开机服务", "lanremote-nettune.service" in install)
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check("服务 enabled", "systemctl enable lanremote-nettune" in install)
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check("开机服务在隧道之前跑（新连接就用上新参数）",
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"Before=lanremote-relay.service lanremote-tunnel.service" in install)
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print()
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print("三、打包会带上这两个文件")
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package = (ROOT / "_build" / "package_remote.py").read_text(
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encoding="utf-8")
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check("打包脚本扫描整个 relay 目录（不是硬编码文件名）",
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"iterdir" in package or "rglob" in package, "")
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check("relay/net-tune.sh 会被打进去（同目录扫描即可）",
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NET_TUNE.is_file())
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print()
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print("四、说明文档里记了实测数据")
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check("写了不夹 MSS 的对照（87%）", "87" in text)
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check("写了 MSS 各档都 100%", "100%" in text)
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check("写了接口 MTU 1400 更差的教训", "50%" in text)
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print()
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print("=" * 58)
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print(f"通过 {passed} 项，失败 {failed} 项")
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return 0 if failed == 0 else 1
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if __name__ == "__main__":
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sys.exit(main())
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