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Add WebSocket :protocol extension per RFC 9220. #236

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Add WebSocket :protocol extension per RFC 9220. #236

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5 changes: 5 additions & 0 deletions h3/src/ext.rs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
//! Extensions for the HTTP/3 protocol.

use std::convert::TryFrom;

Check warning on line 3 in h3/src/ext.rs

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GitHub Actions / Test beta ubuntu-latest 

the item `TryFrom` is imported redundantly
use std::str::FromStr;

use bytes::{Buf, Bytes};
Expand All @@ -22,13 +22,16 @@
pub const WEB_TRANSPORT: Protocol = Protocol(ProtocolInner::WebTransport);
/// RFC 9298 protocol
pub const CONNECT_UDP: Protocol = Protocol(ProtocolInner::ConnectUdp);
/// RFC 9220 (WebSocket) protocol
pub const WEBSOCKET: Protocol = Protocol(ProtocolInner::WebSocket);

/// Return a &str representation of the `:protocol` pseudo-header value
#[inline]
pub fn as_str(&self) -> &str {
match self.0 {
ProtocolInner::WebTransport => "webtransport",
ProtocolInner::ConnectUdp => "connect-udp",
ProtocolInner::WebSocket => "websocket",
}
}
}
Expand All @@ -37,6 +40,7 @@
enum ProtocolInner {
WebTransport,
ConnectUdp,
WebSocket,
}

/// Error when parsing the protocol
Expand All @@ -49,6 +53,7 @@
match s {
"webtransport" => Ok(Self(ProtocolInner::WebTransport)),
"connect-udp" => Ok(Self(ProtocolInner::ConnectUdp)),
"websocket" => Ok(Self(ProtocolInner::WebSocket)),
_ => Err(InvalidProtocol),
}
}
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