use std::pin::Pin;
use std::task::{Context, Poll};
use zmq::{Error, SocketType};
use crate::socket::{Broker, MessageBuf, SocketBuilder, ZmqSocket};
use crate::{Sink, Stream};
pub fn dealer(endpoint: &str) -> Result<SocketBuilder<'_, Dealer>, zmq::Error> {
let socket = zmq::Context::new().socket(SocketType::DEALER)?;
Ok(SocketBuilder::new(socket, endpoint))
}
pub struct Dealer(Broker);
impl Dealer {
pub fn as_raw_socket(&self) -> &zmq::Socket {
&self.0.socket.get_ref().0
}
}
impl<T: Into<MessageBuf>> Sink<T> for Dealer {
type Error = Error;
fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
Sink::<T>::poll_ready(Pin::new(&mut self.get_mut().0), cx)
}
fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> {
Pin::new(&mut self.get_mut().0).start_send(item)
}
fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Error>> {
Sink::<T>::poll_flush(Pin::new(&mut self.get_mut().0), cx)
}
fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Error>> {
Sink::<T>::poll_close(Pin::new(&mut self.get_mut().0), cx)
}
}
impl Stream for Dealer {
type Item = Result<MessageBuf, Error>;
fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
Pin::new(&mut self.get_mut().0).poll_next(cx)
}
}
impl From<zmq::Socket> for Dealer {
fn from(socket: zmq::Socket) -> Self {
Self(Broker {
socket: ZmqSocket::from(socket),
buffer: MessageBuf::default(),
})
}
}