1 use crate::frame::{self, Error, Head, Kind, Reason, StreamId};
2 
3 use bytes::BufMut;
4 
5 #[derive(Debug, Eq, PartialEq)]
6 pub struct Reset {
7     stream_id: StreamId,
8     error_code: Reason,
9 }
10 
11 impl Reset {
new(stream_id: StreamId, error: Reason) -> Reset12     pub fn new(stream_id: StreamId, error: Reason) -> Reset {
13         Reset {
14             stream_id,
15             error_code: error,
16         }
17     }
18 
stream_id(&self) -> StreamId19     pub fn stream_id(&self) -> StreamId {
20         self.stream_id
21     }
22 
reason(&self) -> Reason23     pub fn reason(&self) -> Reason {
24         self.error_code
25     }
26 
load(head: Head, payload: &[u8]) -> Result<Reset, Error>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 
encode<B: BufMut>(&self, dst: &mut B)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> {
from(src: Reset) -> Self53     fn from(src: Reset) -> Self {
54         frame::Frame::Reset(src)
55     }
56 }
57