host
6bcdeb8da1
fix: 浏览器远控传输层改文件桥(Unix socket 在 runsc 下宿主不可见)
根因(2026-10-30 活体实证):#181 的 .browser-remote.sock 假设
宿主能连容器内 socket,但生产 Docker 任务走 runsc/gVisor,
其 gofer 挂载下容器内建的 socket 只在容器内可见,宿主目录
里只有普通文件(browser-live.png 一直能透传)。后果:server
代理对真实任务一律 503,会话根本没活过。
修法:传输层改四个普通文件(worktree 内,原子写 + 追加日志):
- .browser-remote-state.json:MCP 每轮重写,mtime 即存活信号,
server 判 30 秒无心跳为会话死亡(503);
- .browser-remote-frame.jpg:最新 screencast 帧(base64 文本);
- .browser-remote-input.jsonl:server 追加,MCP 按偏移量消费
完整行,执行时再判 holder,半行等下一轮;
- .browser-remote-control.json:{holder, seq},MCP 首轮即应用,
接管可先于浏览器启动。
- holder 竞态:control 写下后 state 文件约 50ms 才刷新,server
的 input/stream 改判 effective_holder(控制文件 mtime 新者胜),
否则接管后立刻点会误 409。
- 线程契约与控制权模型不变;MCP 主循环仍是唯一触页线程。
- 播种刷新(#181)让老租户自动拿到新版脚本。
测试:socket 测试改文件桥测试(桥轮询/偏移量/半行/陈旧态/
effective_holder + server 代理全链),全量 1357 项通过(skipped 4)。
2026-10-30 07:28:32 +08:00
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