sat-rs/satrs-core/tests/pus_verification.rs

// TODO: Refactor this to also test the STD impl using mpsc
#[cfg(feature = "crossbeam")]
pub mod crossbeam_test {
    use hashbrown::HashMap;
    use satrs_core::pool::{LocalPool, PoolCfg, PoolProvider, SharedPool};
    use satrs_core::pus::verification::{
        CrossbeamVerifSender, FailParams, RequestId, VerificationReporterCfg,
        VerificationReporterWithSender,
    };
    use satrs_core::seq_count::SeqCountProviderSyncClonable;
    use spacepackets::ecss::{EcssEnumU16, EcssEnumU8, PusPacket};
    use spacepackets::tc::{PusTc, PusTcSecondaryHeader};
    use spacepackets::tm::PusTm;
    use spacepackets::SpHeader;
    use std::sync::{Arc, RwLock};
    use std::thread;
    use std::time::Duration;

    const TEST_APID: u16 = 0x03;
    const FIXED_STAMP: [u8; 7] = [0; 7];
    const PACKETS_SENT: u8 = 8;

    /// This test also shows how the verification report could be used in a multi-threaded context,
    /// wrapping it into an [Arc] and [Mutex] and then passing it to two threads.
    ///
    ///  - The first thread generates a acceptance, a start, two steps and one completion report
    ///  - The second generates an acceptance and start success report and a completion failure
    ///  - The third thread is the verification receiver. In the test case, it verifies the other two
    ///    threads have sent the correct expected verification reports
    #[test]
    fn test_shared_reporter() {
        // We use a synced sequence count provider here because both verification reporters have the
        // the same APID. If they had distinct APIDs, the more correct approach would be to have
        // each reporter have an own sequence count provider.
        let cfg = VerificationReporterCfg::new(
            TEST_APID,
            Box::new(SeqCountProviderSyncClonable::default()),
            1,
            2,
            8,
        )
        .unwrap();
        // Shared pool object to store the verification PUS telemetry
        let pool_cfg = PoolCfg::new(vec![(10, 32), (10, 64), (10, 128), (10, 1024)]);
        let shared_tm_pool: SharedPool =
            Arc::new(RwLock::new(Box::new(LocalPool::new(pool_cfg.clone()))));
        let shared_tc_pool_0 = Arc::new(RwLock::new(LocalPool::new(pool_cfg)));
        let shared_tc_pool_1 = shared_tc_pool_0.clone();
        let (tx, rx) = crossbeam_channel::bounded(5);
        let sender = CrossbeamVerifSender::new(shared_tm_pool.clone(), tx.clone());
        let mut reporter_with_sender_0 =
            VerificationReporterWithSender::new(&cfg, Box::new(sender));
        let mut reporter_with_sender_1 = reporter_with_sender_0.clone();
        // For test purposes, we retrieve the request ID from the TCs and pass them to the receiver
        // tread.
        let req_id_0;
        let req_id_1;

        let (tx_tc_0, rx_tc_0) = crossbeam_channel::bounded(3);
        let (tx_tc_1, rx_tc_1) = crossbeam_channel::bounded(3);
        {
            let mut tc_guard = shared_tc_pool_0.write().unwrap();
            let mut sph = SpHeader::tc_unseg(TEST_APID, 0, 0).unwrap();
            let tc_header = PusTcSecondaryHeader::new_simple(17, 1);
            let pus_tc_0 = PusTc::new(&mut sph, tc_header, None, true);
            req_id_0 = RequestId::new(&pus_tc_0);
            let (addr, mut buf) = tc_guard.free_element(pus_tc_0.len_packed()).unwrap();
            pus_tc_0.write_to_bytes(&mut buf).unwrap();
            tx_tc_0.send(addr).unwrap();
            let mut sph = SpHeader::tc_unseg(TEST_APID, 1, 0).unwrap();
            let tc_header = PusTcSecondaryHeader::new_simple(5, 1);
            let pus_tc_1 = PusTc::new(&mut sph, tc_header, None, true);
            req_id_1 = RequestId::new(&pus_tc_1);
            let (addr, mut buf) = tc_guard.free_element(pus_tc_0.len_packed()).unwrap();
            pus_tc_1.write_to_bytes(&mut buf).unwrap();
            tx_tc_1.send(addr).unwrap();
        }
        let verif_sender_0 = thread::spawn(move || {
            let mut tc_buf: [u8; 1024] = [0; 1024];
            let tc_addr = rx_tc_0
                .recv_timeout(Duration::from_millis(20))
                .expect("Receive timeout");
            let tc_len;
            {
                let mut tc_guard = shared_tc_pool_0.write().unwrap();
                let pg = tc_guard.read_with_guard(tc_addr);
                let buf = pg.read().unwrap();
                tc_len = buf.len();
                tc_buf[0..tc_len].copy_from_slice(buf);
            }
            let (_tc, _) = PusTc::from_bytes(&tc_buf[0..tc_len]).unwrap();
            let accepted_token;

            let token = reporter_with_sender_0.add_tc_with_req_id(req_id_0);
            accepted_token = reporter_with_sender_0
                .acceptance_success(token, Some(&FIXED_STAMP))
                .expect("Acceptance success failed");

            // Do some start handling here
            let started_token;
            started_token = reporter_with_sender_0
                .start_success(accepted_token, Some(&FIXED_STAMP))
                .expect("Start success failed");
            // Do some step handling here
            reporter_with_sender_0
                .step_success(&started_token, Some(&FIXED_STAMP), EcssEnumU8::new(0))
                .expect("Start success failed");

            // Finish up
            reporter_with_sender_0
                .step_success(&started_token, Some(&FIXED_STAMP), EcssEnumU8::new(1))
                .expect("Start success failed");
            reporter_with_sender_0
                .completion_success(started_token, Some(&FIXED_STAMP))
                .expect("Completion success failed");
        });

        let verif_sender_1 = thread::spawn(move || {
            let mut tc_buf: [u8; 1024] = [0; 1024];
            let tc_addr = rx_tc_1
                .recv_timeout(Duration::from_millis(20))
                .expect("Receive timeout");
            let tc_len;
            {
                let mut tc_guard = shared_tc_pool_1.write().unwrap();
                let pg = tc_guard.read_with_guard(tc_addr);
                let buf = pg.read().unwrap();
                tc_len = buf.len();
                tc_buf[0..tc_len].copy_from_slice(buf);
            }
            let (tc, _) = PusTc::from_bytes(&tc_buf[0..tc_len]).unwrap();
            let token = reporter_with_sender_1.add_tc(&tc);
            let accepted_token = reporter_with_sender_1
                .acceptance_success(token, Some(&FIXED_STAMP))
                .expect("Acceptance success failed");
            let started_token = reporter_with_sender_1
                .start_success(accepted_token, Some(&FIXED_STAMP))
                .expect("Start success failed");
            let fail_code = EcssEnumU16::new(2);
            let params = FailParams::new(Some(&FIXED_STAMP), &fail_code, None);
            reporter_with_sender_1
                .completion_failure(started_token, params)
                .expect("Completion success failed");
        });

        let verif_receiver = thread::spawn(move || {
            let mut packet_counter = 0;
            let mut tm_buf: [u8; 1024] = [0; 1024];
            let mut verif_map = HashMap::new();
            while packet_counter < PACKETS_SENT {
                let verif_addr = rx
                    .recv_timeout(Duration::from_millis(50))
                    .expect("Packet reception timeout");
                let tm_len;
                {
                    let mut rg = shared_tm_pool.write().expect("Error locking shared pool");
                    let store_guard = rg.read_with_guard(verif_addr);
                    let slice = store_guard.read().expect("Error reading TM slice");
                    tm_len = slice.len();
                    tm_buf[0..tm_len].copy_from_slice(slice);
                }
                let (pus_tm, _) = PusTm::from_bytes(&tm_buf[0..tm_len], 7)
                    .expect("Error reading verification TM");
                let req_id = RequestId::from_bytes(
                    &pus_tm.source_data().expect("Invalid TM source data")
                        [0..RequestId::SIZE_AS_BYTES],
                )
                .unwrap();
                if !verif_map.contains_key(&req_id) {
                    let mut content = Vec::new();
                    content.push(pus_tm.subservice());
                    verif_map.insert(req_id, content);
                } else {
                    let content = verif_map.get_mut(&req_id).unwrap();
                    content.push(pus_tm.subservice())
                }
                packet_counter += 1;
            }
            for (req_id, content) in verif_map {
                if req_id == req_id_1 {
                    assert_eq!(content[0], 1);
                    assert_eq!(content[1], 3);
                    assert_eq!(content[2], 8);
                } else if req_id == req_id_0 {
                    assert_eq!(content[0], 1);
                    assert_eq!(content[1], 3);
                    assert_eq!(content[2], 5);
                    assert_eq!(content[3], 5);
                    assert_eq!(content[4], 7);
                } else {
                    panic!("Unexpected request ID {:?}", req_id);
                }
            }
        });
        verif_sender_0.join().expect("Joining thread 0 failed");
        verif_sender_1.join().expect("Joining thread 1 failed");
        verif_receiver.join().expect("Joining thread 2 failed");
    }
}