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90 lines
3.4 KiB
Python
90 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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"""把 ha-connections=2 这个发现写进 install.sh。
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实测数据(这条 4G 线路上):
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ha=4 -> 9/10,而且只成功注册 1 条连接(其余一直在握手超时)
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ha=2 -> 10/10,2 条都注册
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ha=1 -> 10/10,1 条
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定稿后再测:ha=2 连打 30 次,29/30 成功,0 次断开,0 次 quic 错误。
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原因推测:这条线路对并发 UDP 有节制,4 条 QUIC 同时握手互相挤,
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反而条条失败。2 条是甜点:够稳,又还有冗余。
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install.sh 原来写的 `--ha-connections 4` 要改掉。
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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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INSTALL = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote\relay"
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r"\install.sh")
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OLD = '''ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate --edge-ip-version 4 --config $CONF run $TUNNEL_NAME'''
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NEW = '''# ha-connections=2 是实测调出来的(不是拍脑袋):
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# 这条 4G 线路对并发 UDP 有节制,4 条 QUIC 同时握手会互相挤,
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# 结果只成功 1 条、可用率 9/10;降到 2 条后 10/10,
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# 而且仍有冗余(连两个不同的边缘节点)。
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ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate --edge-ip-version 4 --ha-connections 2 --retries 5 --config $CONF run $TUNNEL_NAME'''
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ANCHOR2 = ''' install.sh 里给 cloudflared 加了:
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--edge-ip-version 4 只走 IPv4
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--protocol http2'''
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NEW2 = ''' install.sh 里给 cloudflared 加了:
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--edge-ip-version 4 只走 IPv4
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--ha-connections 2 并发连接数(实测调出来的,见下)
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--retries 5 连边缘失败时多重试
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关于协议:**用默认的 QUIC,不要指定 http2**。
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实测这条线路把 HTTP/2 用的 TCP 7844 挡了(TLS 握手超时),
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而 QUIC 走 UDP 7844 是通的。
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关于连接数:默认是 4,但这条线路上 4 条并发 QUIC 握手会互相挤,
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只成功 1 条、可用率 9/10。降到 2 条后 10/10,
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定稿后连打 30 次 29/30 成功、0 次断开。'''
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def main() -> int:
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text = INSTALL.read_text(encoding="utf-8")
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ok = True
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if "--ha-connections 2" in text:
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print(" install.sh 已经是 ha-connections 2")
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elif OLD in text:
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text = text.replace(OLD, NEW, 1)
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print(" install.sh: 自启单元加了 --ha-connections 2 --retries 5")
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else:
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print(" [失败] 找不到 ExecStart 锚点")
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# 打出来看看实际长什么样
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for line in text.splitlines():
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if "ExecStart" in line and "cloudflared" in line:
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print(f" 实际: {line.strip()[:110]}")
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ok = False
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if ANCHOR2 in text:
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text = text.replace(ANCHOR2, NEW2, 1)
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print(" install.sh: 说明文档更新(协议 + 连接数)")
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elif "--ha-connections 2" in text and "连接数" in text:
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print(" install.sh: 说明已经更新过")
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else:
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print(" [跳过] 说明锚点没找到")
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INSTALL.write_text(text, encoding="utf-8", newline="\n")
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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(" 顺手修了 CRLF")
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# 复核
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text = INSTALL.read_text(encoding="utf-8")
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for line in text.splitlines():
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if "ExecStart" in line and "cloudflared" in line:
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print(f" 现在: {line.strip()[:120]}")
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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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