blob: d97f04ff265bde6806310e97e39c62e365a4af0e [file] [log] [blame]
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)
}
}