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use bytes::Buf;
use futures_util::{Stream, StreamExt};
use warp::{reply::Response, Filter, Reply};
#[tokio::main]
async fn main() {
// Running curl -T /path/to/a/file 'localhost:3030/' should echo back the content of the file,
// or an HTTP 413 error if the configured size limit is exceeded.
let route = warp::body::content_length_limit(65536)
.and(warp::body::stream())
.then(handler);
warp::serve(route).run(([127, 0, 0, 1], 3030)).await;
}
async fn handler(
mut body: impl Stream<Item = Result<impl Buf, warp::Error>> + Unpin + Send + Sync,
) -> Response {
let mut collected: Vec<u8> = vec![];
while let Some(buf) = body.next().await {
let mut buf = buf.unwrap();
while buf.remaining() > 0 {
let chunk = buf.chunk();
let chunk_len = chunk.len();
collected.extend_from_slice(chunk);
buf.advance(chunk_len);
}
}
println!("Sending {} bytes", collected.len());
collected.into_response()
}