55 lines
1.3 KiB
Rust
55 lines
1.3 KiB
Rust
use frame::{self, Error, Head, Kind, Reason, StreamId};
|
|
|
|
use bytes::{BufMut};
|
|
|
|
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
|
|
pub struct GoAway {
|
|
last_stream_id: StreamId,
|
|
error_code: Reason,
|
|
}
|
|
|
|
impl GoAway {
|
|
pub fn new(last_stream_id: StreamId, reason: Reason) -> Self {
|
|
GoAway {
|
|
last_stream_id,
|
|
error_code: reason,
|
|
}
|
|
}
|
|
|
|
pub fn last_stream_id(&self) -> StreamId {
|
|
self.last_stream_id
|
|
}
|
|
|
|
pub fn reason(&self) -> Reason {
|
|
self.error_code
|
|
}
|
|
|
|
pub fn load(payload: &[u8]) -> Result<GoAway, Error> {
|
|
if payload.len() < 8 {
|
|
return Err(Error::BadFrameSize);
|
|
}
|
|
|
|
let (last_stream_id, _) = StreamId::parse(&payload[..4]);
|
|
let error_code = unpack_octets_4!(payload, 4, u32);
|
|
|
|
Ok(GoAway {
|
|
last_stream_id: last_stream_id,
|
|
error_code: error_code.into(),
|
|
})
|
|
}
|
|
|
|
pub fn encode<B: BufMut>(&self, dst: &mut B) {
|
|
trace!("encoding GO_AWAY; code={:?}", self.error_code);
|
|
let head = Head::new(Kind::GoAway, 0, StreamId::zero());
|
|
head.encode(8, dst);
|
|
dst.put_u32_be(self.last_stream_id.into());
|
|
dst.put_u32_be(self.error_code.into());
|
|
}
|
|
}
|
|
|
|
impl<B> From<GoAway> for frame::Frame<B> {
|
|
fn from(src: GoAway) -> Self {
|
|
frame::Frame::GoAway(src)
|
|
}
|
|
}
|