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use std::{fmt, rc::Rc};
use super::codec as mqtt;
use super::shared::MqttShared;
use super::sink::MqttSink;
pub struct Handshake<Io> {
io: Io,
pkt: mqtt::Connect,
shared: Rc<MqttShared>,
}
impl<Io> Handshake<Io> {
pub(crate) fn new(pkt: mqtt::Connect, io: Io, shared: Rc<MqttShared>) -> Self {
Self { pkt, io, shared }
}
pub fn packet(&self) -> &mqtt::Connect {
&self.pkt
}
pub fn packet_mut(&mut self) -> &mut mqtt::Connect {
&mut self.pkt
}
#[inline]
pub fn io(&mut self) -> &mut Io {
&mut self.io
}
pub fn sink(&self) -> MqttSink {
MqttSink::new(self.shared.clone())
}
pub fn ack<St>(self, st: St, session_present: bool) -> HandshakeAck<Io, St> {
HandshakeAck {
session_present,
io: self.io,
shared: self.shared,
session: Some(st),
keepalive: 30,
return_code: mqtt::ConnectAckReason::ConnectionAccepted,
}
}
pub fn identifier_rejected<St>(self) -> HandshakeAck<Io, St> {
HandshakeAck {
io: self.io,
shared: self.shared,
session: None,
session_present: false,
keepalive: 30,
return_code: mqtt::ConnectAckReason::IdentifierRejected,
}
}
pub fn bad_username_or_pwd<St>(self) -> HandshakeAck<Io, St> {
HandshakeAck {
io: self.io,
shared: self.shared,
session: None,
session_present: false,
keepalive: 30,
return_code: mqtt::ConnectAckReason::BadUserNameOrPassword,
}
}
pub fn not_authorized<St>(self) -> HandshakeAck<Io, St> {
HandshakeAck {
io: self.io,
shared: self.shared,
session: None,
session_present: false,
keepalive: 30,
return_code: mqtt::ConnectAckReason::NotAuthorized,
}
}
pub fn service_unavailable<St>(self) -> HandshakeAck<Io, St> {
HandshakeAck {
io: self.io,
shared: self.shared,
session: None,
session_present: false,
keepalive: 30,
return_code: mqtt::ConnectAckReason::ServiceUnavailable,
}
}
}
impl<T> fmt::Debug for Handshake<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.pkt.fmt(f)
}
}
pub struct HandshakeAck<Io, St> {
pub(crate) io: Io,
pub(crate) session: Option<St>,
pub(crate) session_present: bool,
pub(crate) return_code: mqtt::ConnectAckReason,
pub(crate) shared: Rc<MqttShared>,
pub(crate) keepalive: u16,
}
impl<Io, St> HandshakeAck<Io, St> {
pub fn idle_timeout(mut self, timeout: u16) -> Self {
self.keepalive = timeout;
self
}
}