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use std::fmt;
use ntex_amqp_codec::protocol;
use crate::cell::Cell;
use crate::error::AmqpProtocolError;
use crate::rcvlink::ReceiverLink;
use crate::session::{Session, SessionInner};
use crate::sndlink::SenderLink;
pub struct ControlFrame(pub(super) Cell<FrameInner>);
pub(super) struct FrameInner {
pub(super) kind: ControlFrameKind,
pub(super) session: Option<Cell<SessionInner>>,
}
impl fmt::Debug for ControlFrame {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("ControlFrame")
.field("kind", &self.0.get_ref().kind)
.finish()
}
}
#[derive(Debug)]
pub enum ControlFrameKind {
AttachReceiver(ReceiverLink),
AttachSender(protocol::Attach, SenderLink),
Flow(protocol::Flow, SenderLink),
DetachSender(protocol::Detach, SenderLink),
DetachReceiver(protocol::Detach, ReceiverLink),
ProtocolError(AmqpProtocolError),
Closed(bool),
}
impl ControlFrame {
pub(crate) fn new(session: Cell<SessionInner>, kind: ControlFrameKind) -> Self {
ControlFrame(Cell::new(FrameInner {
session: Some(session),
kind,
}))
}
pub(crate) fn new_kind(kind: ControlFrameKind) -> Self {
ControlFrame(Cell::new(FrameInner {
session: None,
kind,
}))
}
pub(crate) fn clone(&self) -> Self {
ControlFrame(self.0.clone())
}
pub(crate) fn session_cell(&self) -> &Cell<SessionInner> {
self.0.get_ref().session.as_ref().unwrap()
}
#[inline]
pub fn frame(&self) -> &ControlFrameKind {
&self.0.kind
}
pub fn session(&self) -> Option<Session> {
self.0.get_ref().session.clone().map(Session::new)
}
}