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use std::{
pin::Pin,
task::{Context, Poll},
};
use bytes::Bytes;
use futures_core::{ready, Stream};
use h2::RecvStream;
mod dispatcher;
mod service;
pub use self::dispatcher::Dispatcher;
pub use self::service::H2Service;
use crate::error::PayloadError;
pub struct Payload {
stream: RecvStream,
}
impl Payload {
pub(crate) fn new(stream: RecvStream) -> Self {
Self { stream }
}
}
impl Stream for Payload {
type Item = Result<Bytes, PayloadError>;
fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<Option<Self::Item>> {
let this = self.get_mut();
match ready!(Pin::new(&mut this.stream).poll_data(cx)) {
Some(Ok(chunk)) => {
let len = chunk.len();
match this.stream.flow_control().release_capacity(len) {
Ok(()) => Poll::Ready(Some(Ok(chunk))),
Err(err) => Poll::Ready(Some(Err(err.into()))),
}
}
Some(Err(err)) => Poll::Ready(Some(Err(err.into()))),
None => Poll::Ready(None),
}
}
}