monocoque-rs 0.1.0

High-performance ZeroMQ-compatible messaging runtime built on io_uring
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46

/// Simple subscriber client for testing multi-subscriber publisher
use monocoque::zmq::SubSocket;
use tracing::info;

#[compio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let subscriber_id = std::env::args().nth(1).unwrap_or_else(|| "1".to_string());

    info!("[SUB-{}] Connecting to publisher...", subscriber_id);

    let mut sub_socket = SubSocket::connect("127.0.0.1:5556").await?;

    // Subscribe to all messages starting with "test."
    sub_socket.subscribe(b"test.").await?;
    info!("[SUB-{}] Subscribed to 'test.*'", subscriber_id);

    // Receive messages
    let mut count = 0;
    loop {
        match sub_socket.recv().await? {
            Some(frames) => {
                count += 1;
                let topic = String::from_utf8_lossy(&frames[0]);
                let data = if frames.len() > 1 {
                    String::from_utf8_lossy(&frames[1])
                } else {
                    "".into()
                };
                info!(
                    "[SUB-{}] Received #{}: topic='{}' data='{}'",
                    subscriber_id, count, topic, data
                );
            }
            None => {
                info!("[SUB-{}] Connection closed", subscriber_id);
                break;
            }
        }
    }

    Ok(())
}