psrt 0.3.5

Industrial Pub-Sub server with minimal latency and MQTT-compatible logic
Documentation 
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use std::time::Duration;

#[tokio::main(flavor = "current_thread")]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    // plain
    let client = psrt::client::UdpClient::connect("127.0.0.1:2873")
        .await?
        .with_auth("user1", "xxx");
    client.publish("mytopic", "hello".as_bytes()).await?;
    tokio::time::timeout(
        Duration::from_secs(1),
        client.publish_confirmed("mytopic", "hello confirmed".as_bytes()),
    )
    .await??;
    // secure
    let key =
        hex::decode("26fd38045707792a9bc50f3761a58987c4a9362cf60389f341c28e37b1125d93").unwrap();
    let client = psrt::client::UdpClient::connect("127.0.0.1:2873")
        .await
        .unwrap()
        .with_encryption_auth("user1", &key);
    client
        .publish("mytopic", "hello secure".as_bytes())
        .await
        .unwrap();
    tokio::time::timeout(
        Duration::from_secs(1),
        client.publish_confirmed("mytopic", "hello secure confirmed".as_bytes()),
    )
    .await??;
    Ok(())
}