6 releases

Uses new Rust 2024

0.2.0 May 18, 2025
0.1.4 Apr 28, 2025
0.1.3 Mar 22, 2025

#291 in Asynchronous

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13,945 downloads per month
Used in 8 crates (via rmcp)

MIT/Apache

24KB
496 lines

SSE Stream

Crates.io Version Release status docs.rs

A SSE decoder/encoder for Http body

Decode

# use sse_stream::SseStream;
# use http_body_util::Full;
# use bytes::Bytes;
# use futures_util::StreamExt;
const SSE_BODY: &str =
r#"
retry: 1000
event: userconnect
data: {"username": "bobby", "time": "02:33:48"}

data: Here's a system message of some kind that will get used
data: to accomplish some task.
"#;

let body = Full::<Bytes>::from(SSE_BODY);
let mut sse_body = SseStream::new(body);
async {
    while let Some(sse) = sse_body.next().await {
        println!("{:?}", sse.unwrap());
    }
};

Encode

# use std::convert::Infallible;
# use futures_util::StreamExt;
# use sse_stream::{Sse, SseBody};

let stream = futures_util::stream::iter([
    Sse::default().event("1").data("....."),
    Sse::default().event("2").data("....."),
    Sse::default().event("3").data("....."),
])
.map(Result::<Sse, Infallible>::Ok);
let body = SseBody::new(stream);

Dependencies

~1.5MB
~27K SLoC