iota_http/
body.rs

1// Copyright (c) Mysten Labs, Inc.
2// Modifications Copyright (c) 2025 IOTA Stiftung
3// SPDX-License-Identifier: Apache-2.0
4
5use bytes::Bytes;
6use http_body_util::BodyExt;
7
8use crate::BoxError;
9
10pub type BoxBody = http_body_util::combinators::UnsyncBoxBody<Bytes, BoxError>;
11
12pub fn boxed<B>(body: B) -> BoxBody
13where
14    B: http_body::Body<Data = Bytes> + Send + 'static,
15    B::Error: Into<BoxError>,
16{
17    try_downcast(body).unwrap_or_else(|body| body.map_err(Into::into).boxed_unsync())
18}
19
20pub(crate) fn try_downcast<T, K>(k: K) -> Result<T, K>
21where
22    T: 'static,
23    K: Send + 'static,
24{
25    let mut k = Some(k);
26    if let Some(k) = <dyn std::any::Any>::downcast_mut::<Option<T>>(&mut k) {
27        Ok(k.take().unwrap())
28    } else {
29        Err(k.unwrap())
30    }
31}