use crate::backend::GenericSocketBackend;
use crate::codec::{Message, ZmqFramedRead};
use crate::fair_queue::FairQueue;
use crate::transport::AcceptStopHandle;
use crate::util::PeerIdentity;
use crate::{
CaptureSocket, Endpoint, MultiPeerBackend, Socket, SocketBackend, SocketEvent, SocketOptions,
SocketRecv, SocketSend, SocketType, ZmqMessage, ZmqResult,
};
use async_trait::async_trait;
use futures_channel::mpsc;
use futures_util::StreamExt;
use std::collections::hash_map::RandomState;
use std::collections::HashMap;
use std::sync::Arc;
pub struct DealerSocket {
backend: Arc<GenericSocketBackend>,
fair_queue: FairQueue<ZmqFramedRead, PeerIdentity>,
binds: HashMap<Endpoint, AcceptStopHandle>,
}
impl Drop for DealerSocket {
fn drop(&mut self) {
self.backend.shutdown();
}
}
#[async_trait]
impl Socket for DealerSocket {
fn with_options(options: SocketOptions) -> Self {
let fair_queue = FairQueue::new(true);
Self {
backend: Arc::new(GenericSocketBackend::with_options(
Some(fair_queue.inner()),
SocketType::DEALER,
options,
)),
fair_queue,
binds: HashMap::new(),
}
}
fn backend(&self) -> Arc<dyn MultiPeerBackend> {
self.backend.clone()
}
fn binds(&mut self) -> &mut HashMap<Endpoint, AcceptStopHandle, RandomState> {
&mut self.binds
}
fn monitor(&mut self) -> mpsc::Receiver<SocketEvent> {
let (sender, receiver) = mpsc::channel(1024);
self.backend.socket_monitor.lock().replace(sender);
receiver
}
}
#[async_trait]
impl SocketRecv for DealerSocket {
async fn recv(&mut self) -> ZmqResult<ZmqMessage> {
loop {
match self.fair_queue.next().await {
Some((_peer_id, Ok(Message::Message(message)))) => {
return Ok(message);
}
Some((_peer_id, _)) => todo!(),
None => todo!(),
};
}
}
}
#[async_trait]
impl SocketSend for DealerSocket {
async fn send(&mut self, message: ZmqMessage) -> ZmqResult<()> {
self.backend
.send_round_robin(Message::Message(message))
.await?;
Ok(())
}
}
impl CaptureSocket for DealerSocket {}