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Update tokio-tungstenite 0.20 #2116

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merged 3 commits into from
Aug 2, 2023
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alexheretic
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@alexheretic alexheretic commented Jul 22, 2023

Motivation

More optimal websocket SinkExt::feed performance by using recent upstream versions with better flushing behaviour.

Solution

  • Update tokio-tungstenite to 0.20. See changelog, tungstenite changelog.
  • breaking: Remove WebSocketUpgrade::max_send_queue.
  • Add WebSocketUpgrade::write_buffer_size, max_write_buffer_size (new upstream).
    Note: I added all upstream docs, feel free to trim them down if you prefer.

/// Does nothing, instead use `max_write_buffer_size`.
#[deprecated]
pub fn max_send_queue(self, _: usize) -> Self {
self
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You say it’s deprecated upstream but that should mean we can still call it right?

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We can. However, upstream it does absolutely nothing since the send-queue concept was removed.
The field was kept & deprecated to smoothen the churn. It should be removed with the next tungstenite breaking change.

So with no reason to set it, we can just deprecate and have the method do nothing (which also even more clearly demonstrates that it does nothing to axum users). Or as a breaking change remove it.

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My 2c: Merge deprecation into v0.6.x (and do another point release when releasing 0.7, if not sooner), remove on main.

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That sounds good to me!

@alexheretic do you wanna change this PR to include the breaking changes and make another one into the v0.6.x branch?

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Done. I raised #2123 with the non-breaking update to v0.6.x.

Deprecate WebSocketUpgrade::max_send_queue
Add WebSocketUpgrade::write_buffer_size, max_write_buffer_size
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
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Thanks!

@davidpdrsn davidpdrsn merged commit a6a849b into tokio-rs:main Aug 2, 2023
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@alexheretic alexheretic deleted the tungstenite-0.20 branch August 2, 2023 20:19
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3 participants