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Is there a good way to track how recently data was received from the remote end of an http2 session? #21730
Description
Activity
If you're looking for an application-level solution:
You could update a timestamp (
process.hrtime) every time data is received and compare it to the current time. Perhaps perform this comparison in a recurring timer.The issue here is that I am working with a http2 session object, but what I really want to track is every time data comes in on the underlying socket. That includes a variety of events on the http2 session and http2 stream objects, plus frames that don't trigger events at all, like WINDOW_UPDATE frames.
Would it cause any problems to add an additional
"data"event handler to the underlyinghttp2session.socket?This would be a bit difficult to do and would limit performance. One thing we could do is update an internal timestamp whenever data is received, but invoking a callback or event on every chunk of data would result in a significant performance loss.
That timestamp would be all I really need here.
Will investigate the possibilities here. Marking as a feature request.
I've got an open pr that I need to revisit in the next few weeks
There has been no activity on this feature request for 5 months and it is unlikely to be implemented. It will be closed 6 months after the last non-automated comment.
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For more information on how the project manages feature requests, please consult the feature request management document.
I am trying to detect when a connection underlying an http2 session is broken using this strategy. In short, I want to send an http2 ping when I have at least one active stream (which I can track myself) and when I have not received any data from the server. Is there a good way to determine when was the latest time that I received any data from the server?