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Support WebSockets over HTTP/2 (RFC8441) #5565

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bt90 opened this issue Jun 5, 2023 · 10 comments · May be fixed by #6567
Open

Support WebSockets over HTTP/2 (RFC8441) #5565

bt90 opened this issue Jun 5, 2023 · 10 comments · May be fixed by #6567
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deferred ⏰ We'll come back to this later feature ⚙️ New feature or request upstream ⬆️ Relates to some dependency of this project

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@bt90
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bt90 commented Jun 5, 2023

https://datatracker.ietf.org/doc/html/rfc8441

The standard is already supported by Firefox and Chrome

Blocked by golang/go#53209

@bt90
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bt90 commented Jun 5, 2023

As suggested by @francislavoie

https://phpc.social/@francislavoie/110492709845091053

(also thanks @icing for the idea)

@francislavoie francislavoie added feature ⚙️ New feature or request deferred ⏰ We'll come back to this later upstream ⬆️ Relates to some dependency of this project labels Jun 5, 2023
@WeidiDeng
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According to rfc 8441, websocket over h2 requires SETTINGS_ENABLE_CONNECT_PROTOCOL to be sent by h2 server, currently golang doesn't allow sending custom h2 settings.

Also the method has been changed from GET to CONNECT, so connection establishment is somewhat different. Do you know of any server that supports websocket over h2 so I can test it @bt90?

@WeidiDeng
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By the way, x/net/websocket is discontinued. This should go to x/net/http2 instead.

@WeidiDeng
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This actually will partly modify reverse_proxy's handling of 101 response based on whether client is using http2 if it is ever implemented.

@WeidiDeng
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Related changes required here upstream.

@mholt
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mholt commented Jun 6, 2023

Thank you for looking into this, @WeidiDeng 😃

@bt90
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bt90 commented Jun 6, 2023

According to rfc 8441, websocket over h2 requires SETTINGS_ENABLE_CONNECT_PROTOCOL to be sent by h2 server, currently golang doesn't allow sending custom h2 settings.

See golang/go#53208

establishment is somewhat different. Do you know of any server that supports websocket over h2 so I can test it @bt90?

@icing is adding support for Apache 😉

@zhangjun-qcqi
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Lighttpd supports ws over h2 since version 1.4.65.

Please check links below:
https://redmine.lighttpd.net/issues/3151
https://www.phoronix.com/news/lighttpd-1.4.65

@WeidiDeng
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@bt90 You can try 6567 to see how it actually works.

@bt90
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bt90 commented Sep 28, 2024

Thanks, will try to test it in the upcoming days :)

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