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Moti Zilberman e55ea2daf1 Fix debugger handoff logic to prevent "zombie" state (#45035)
Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/45035

Changelog: [General][Fixed] Avoid a zombie state when opening a second debugger frontend concurrently.

The problem here was that we were sending proxy-protocol messages to the device in the wrong order (`disconnect` *after* `connect`):

 {F1701266597}

The root cause was that we were depending on the outgoing debugger socket's async `close` event to trigger sending the `disconnect` message to the device. This would happen after we'd already (synchronously) sent the `connect` message.

With this diff, we send the `disconnect` message synchronously with calling `close()` on the debugger socket, which fixes the ordering problem at the source. To avoid sending duplicate `disconnect` messages (e.g. one before calling `close()` and one from the `close` event handler), we store some extra state on `Device` (`#connectedPageIds`).

Reviewed By: robhogan, huntie

Differential Revision: D58730634

fbshipit-source-id: 0f54af2e4f8071a8f6d97cc9e3d8a4ea89a46f43
2024-06-18 09:39:35 -07:00
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