moq-rs/moq-transport/src/message/subscribe_error.rs

37 lines
1015 B
Rust

use crate::coding::{AsyncRead, AsyncWrite};
use crate::coding::{Decode, DecodeError, Encode, EncodeError, VarInt};
use crate::setup::Extensions;
/// Sent by the publisher to reject a Subscribe.
#[derive(Clone, Debug)]
pub struct SubscribeError {
// NOTE: No full track name because of this proposal: https://github.com/moq-wg/moq-transport/issues/209
// The ID for this subscription.
pub id: VarInt,
// An error code.
pub code: u32,
// An optional, human-readable reason.
pub reason: String,
}
impl SubscribeError {
pub async fn decode<R: AsyncRead>(r: &mut R, _ext: &Extensions) -> Result<Self, DecodeError> {
let id = VarInt::decode(r).await?;
let code = VarInt::decode(r).await?.try_into()?;
let reason = String::decode(r).await?;
Ok(Self { id, code, reason })
}
pub async fn encode<W: AsyncWrite>(&self, w: &mut W, _ext: &Extensions) -> Result<(), EncodeError> {
self.id.encode(w).await?;
VarInt::from_u32(self.code).encode(w).await?;
self.reason.encode(w).await?;
Ok(())
}
}