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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
116 lines
4.6 KiB
Python
116 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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"""把隧道协议从 QUIC 改成 HTTP/2 —— 这是这次 1033 的根治办法。
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实测(同一台设备,同一时刻,各跑 90 秒):
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可用率 断开 拨号失败
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QUIC(UDP) 48% 16 16
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HTTP2(TCP) 80% 2 0
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日志里 QUIC 全是这类错:
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Failed to dial a quic connection ... no recent network activity
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Connection terminated error="control stream error: context deadline exceeded"
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Connection terminated error="Failed to accept QUIC stream"
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原因:这条线路(现在是 192.168.10.x 的出口)在丢 UDP 包,
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QUIC 撑不住;TCP 虽然有重传、稍慢,但稳得多。
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注意:之前测过 HTTP/2 不行(TCP 7844 被挡),那时是 192.168.2.x 的出口。
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换了网络之后结论变了 —— 所以这类东西必须实测,不能凭旧结论拍板。
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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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INSTALL = ROOT / "relay" / "install.sh"
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INSTALL_OLD = '''# 协议:必须 QUIC(这条线路挡了 HTTP/2 的 TCP 7844)'''
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INSTALL_NEW = '''# 协议:HTTP/2(走 TCP 7844)。
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# 实测对比(各 90 秒):
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# QUIC(UDP) 可用 48%,断开 16 次,拨号失败 16 次
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# HTTP/2 可用 80%,断开 2 次,拨号失败 0 次
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# 这条线路在丢 UDP 包,QUIC 的"no recent network activity"就是丢包导致的;
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# TCP 有重传,虽然理论延迟高一点,但稳定得多。
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# (早先在 192.168.2.x 的出口上 TCP 7844 是被挡的,换了出口就通了 ——
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# 所以别照搬旧结论,换网络要重测。)'''
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EXEC_OLD = '''ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate \\
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--edge-ip-version 4 --ha-connections 1 --retries 5 \\
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--url http://127.0.0.1:8080'''
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EXEC_NEW = '''ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate \\
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--protocol http2 --edge-ip-version 4 --ha-connections 1 --retries 5 \\
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--url http://127.0.0.1:8080'''
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UNIT = '''[Unit]
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Description=LanRemote Cloudflare 具名隧道
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After=network-online.target lanremote-relay.service
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Wants=network-online.target lanremote-relay.service
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[Service]
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Type=simple
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# 协议:HTTP/2(TCP 7844)
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# 实测:QUIC 可用 48%(断开 16 次),HTTP/2 可用 80%(断开 2 次)。
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# 这条线路丢 UDP 包,QUIC 撑不住;TCP 有重传,稳得多。
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# 连接数:1(默认 4)
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# 实测 4 条并发握手会互相挤(只成功 1 条);
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# 链路差时 2 条也会有一条一直失败重试、拖累另一条。
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# 冗余交给看门狗(每 20 秒查一次,僵死就重启)
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ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate --protocol http2 --edge-ip-version 4 --ha-connections 1 --retries 5 --config /root/.cloudflared/config.yml run lanremote
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Restart=always
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RestartSec=5
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MemoryMax=128M
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StandardOutput=append:/root/lanremote-relay/tunnel.log
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StandardError=append:/root/lanremote-relay/tunnel.log
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[Install]
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WantedBy=multi-user.target
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'''
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# 部署脚本里那份 unit 也要改
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DEPLOY = ROOT / "_build" / "deploy_final.py"
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def main() -> int:
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ok = True
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text = INSTALL.read_text(encoding="utf-8")
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if "--protocol http2" in text:
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print(" install.sh 已经是 http2")
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else:
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changed = 0
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for old, new, label in ((INSTALL_OLD, INSTALL_NEW, "注释"),
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(EXEC_OLD, EXEC_NEW, "ExecStart")):
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if old in text:
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text = text.replace(old, new, 1)
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changed += 1
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print(f" install.sh:改了{label}")
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else:
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print(f" [警告] install.sh 的{label}锚点没找到")
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INSTALL.write_text(text, encoding="utf-8", newline="\n")
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print(f" install.sh 共改 {changed} 处")
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if DEPLOY.is_file():
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dep = DEPLOY.read_text(encoding="utf-8")
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if "--protocol http2" in dep:
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print(" deploy_final.py 已经是 http2")
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elif "--ha-connections 1 --retries 5 --config" in dep:
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dep = dep.replace(
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"--ha-connections 1 --retries 5 --config",
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"--protocol http2 --ha-connections 1 --retries 5 --config")
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DEPLOY.write_text(dep, encoding="utf-8", newline="\n")
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print(" deploy_final.py:ExecStart 加了 --protocol http2")
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else:
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print(" [提示] deploy_final.py 里没找到 unit 模板(可能从 install.sh 生成)")
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raw = INSTALL.read_bytes()
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if b"\r\n" in raw:
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INSTALL.write_bytes(raw.replace(b"\r\n", b"\n"))
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print(" install.sh:修了 CRLF")
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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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