bacnet-client 0.15.0

BACnet async client: TSM, segmentation, discovery, and service APIs
Documentation 
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use std::sync::Arc;

use bacnet_npdu::{RejectMessageReason, RejectMessageToNetwork};

use super::super::routed_path_limit_tests::{
    DNET, confirmed_request, harness, inject_reason_4, routed_request,
};
use super::*;

#[test]
fn routers_are_kept_per_mac_with_every_network_once() {
    let mut routers = Vec::new();
    let mac = |octet: u8| MacAddr::from_slice(&[octet]);
    record(&mut routers, mac(1), vec![5, 2]);
    record(&mut routers, mac(9), vec![2]);
    record(&mut routers, mac(1), vec![3, 5]);
    assert_eq!(
        routers,
        [
            DiscoveredRouter {
                mac: mac(1),
                networks: vec![2, 3, 5],
            },
            DiscoveredRouter {
                mac: mac(9),
                networks: vec![2],
            },
        ]
    );
}

/// A subscriber to the reports takes nothing from the routed-path limits:
/// the reason-4 reject still completes the request it answers, and the
/// subscriber sees it too.
#[tokio::test]
async fn a_reject_reaches_the_path_limits_and_the_subscribers() {
    let router = vec![2];
    let (transport, inbound, mut outbound) = harness(&[1], 1486);
    let client = Arc::new(
        BACnetClient::start(
            ClientConfig {
                apdu_timeout_ms: 40,
                apdu_retries: 3,
                ..ClientConfig::default()
            },
            transport,
        )
        .await
        .unwrap(),
    );
    let mut reports = client.network_reports();
    let task = routed_request(
        Arc::clone(&client),
        router.clone(),
        DNET,
        vec![3],
        vec![0x44; 300],
    );
    confirmed_request(outbound.recv().await.unwrap(), &router);
    inject_reason_4(&inbound, &router, DNET).await;
    let outcome = tokio::time::timeout(Duration::from_millis(500), task)
        .await
        .unwrap()
        .unwrap();
    assert!(matches!(
        outcome,
        Err(Error::RoutedPathTooLong { dnet: DNET })
    ));
    let received = reports.recv().await.unwrap();
    assert_eq!(received.source_mac.as_slice(), router);
    assert_eq!(
        received.report,
        NetworkReport::RejectMessageToNetwork(RejectMessageToNetwork {
            reason: RejectMessageReason::MESSAGE_TOO_LONG,
            network: DNET,
        })
    );
    let mut client = Arc::try_unwrap(client).ok().unwrap();
    client.stop().await.unwrap();
}