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syncpubsub.rs
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syncpubsub.rs
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use rumqttc::{self, Client, LastWill, MqttOptions, QoS};
use std::thread;
use std::time::Duration;
fn main() {
pretty_env_logger::init();
let mut mqttoptions = MqttOptions::new("test-1", "localhost", 1883);
let will = LastWill::new("hello/world", "good bye", QoS::AtMostOnce, false);
mqttoptions
.set_keep_alive(Duration::from_secs(5))
.set_last_will(will);
let (client, mut connection) = Client::new(mqttoptions, 10);
thread::spawn(move || publish(client));
for (i, notification) in connection.iter().enumerate() {
match notification {
Ok(notif) => {
println!("{}. Notification = {:?}", i, notif);
}
Err(error) => {
println!("{}. Notification = {:?}", i, error);
return;
}
}
}
println!("Done with the stream!!");
}
fn publish(mut client: Client) {
thread::sleep(Duration::from_secs(1));
client.subscribe("hello/+/world", QoS::AtMostOnce).unwrap();
for i in 0..10_usize {
let payload = vec![1; i];
let topic = format!("hello/{}/world", i);
let qos = QoS::AtLeastOnce;
client.publish(topic, qos, true, payload).unwrap();
}
thread::sleep(Duration::from_secs(1));
}