| 1 | use crate::frame::{self, Error, Head, Kind, Reason, StreamId}; |
| 2 | |
| 3 | use bytes::BufMut; |
| 4 | |
| 5 | #[derive (Copy, Clone, Debug, Eq, PartialEq)] |
| 6 | pub struct Reset { |
| 7 | stream_id: StreamId, |
| 8 | error_code: Reason, |
| 9 | } |
| 10 | |
| 11 | impl Reset { |
| 12 | pub fn new(stream_id: StreamId, error: Reason) -> Reset { |
| 13 | Reset { |
| 14 | stream_id, |
| 15 | error_code: error, |
| 16 | } |
| 17 | } |
| 18 | |
| 19 | pub fn stream_id(&self) -> StreamId { |
| 20 | self.stream_id |
| 21 | } |
| 22 | |
| 23 | pub fn reason(&self) -> Reason { |
| 24 | self.error_code |
| 25 | } |
| 26 | |
| 27 | pub fn load(head: Head, payload: &[u8]) -> Result<Reset, Error> { |
| 28 | if payload.len() != 4 { |
| 29 | return Err(Error::InvalidPayloadLength); |
| 30 | } |
| 31 | |
| 32 | let error_code = unpack_octets_4!(payload, 0, u32); |
| 33 | |
| 34 | Ok(Reset { |
| 35 | stream_id: head.stream_id(), |
| 36 | error_code: error_code.into(), |
| 37 | }) |
| 38 | } |
| 39 | |
| 40 | pub fn encode<B: BufMut>(&self, dst: &mut B) { |
| 41 | tracing::trace!( |
| 42 | "encoding RESET; id= {:?} code= {:?}" , |
| 43 | self.stream_id, |
| 44 | self.error_code |
| 45 | ); |
| 46 | let head = Head::new(Kind::Reset, 0, self.stream_id); |
| 47 | head.encode(4, dst); |
| 48 | dst.put_u32(self.error_code.into()); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | impl<B> From<Reset> for frame::Frame<B> { |
| 53 | fn from(src: Reset) -> Self { |
| 54 | frame::Frame::Reset(src) |
| 55 | } |
| 56 | } |
| 57 | |