Examples with LatencyRecord org.openkilda.wfm.topology.isllatency.model.LatencyRecord used on opensource projects

Example 6 with LatencyRecord

use of org.openkilda.wfm.topology.isllatency.model.LatencyRecord in project open-kilda by telstra.

the class IslLatencyServiceTest method calculateAverageLatencyTest.

@Test
public void calculateAverageLatencyTest() {
    Queue<LatencyRecord> latencyRecords = new LinkedList<>();
    for (int i = 1; i <= 5; i++) {
        latencyRecords.add(new LatencyRecord(i, 1));
    }
    assertEquals(3, islLatencyService.calculateAverageLatency(latencyRecords));
}

Example 7 with LatencyRecord

use of org.openkilda.wfm.topology.isllatency.model.LatencyRecord in project open-kilda by telstra.

the class IslStatsServiceTest method handleOneWayLatencyEmitByOneAfterTimeoutTest.

@Test
public void handleOneWayLatencyEmitByOneAfterTimeoutTest() {
    // RTL:     ...........................
    // OneWay:  ..X.X.X.X.X.X.X.X.X.X.X....
    // Timeout: ...|_____________|.........
    List<LatencyRecord> buffer = new ArrayList<>();
    Instant time = Instant.now().minusSeconds(LATENCY_TIMEOUT).minusMillis(500);
    for (int i = 0; i <= LATENCY_TIMEOUT; i++) {
        sendForwardOneWayLatency(i, time);
        // waiting for timeout and collecting one way records
        verifyNoMoreInteractions(carrier);
        buffer.add(new LatencyRecord(i, time.toEpochMilli()));
        time = time.plusSeconds(1);
    }
    // first record is outdated and we must not emit it
    buffer.remove(0);
    // first record after timeout
    sendForwardOneWayLatency(100, time);
    buffer.add(new LatencyRecord(100, time.toEpochMilli()));
    time = time.plusSeconds(1);
    // all records after timeout will be emit immediately
    for (int i = 10; i < 13; i++) {
        sendForwardOneWayLatency(i, time);
        buffer.add(new LatencyRecord(i, time.toEpochMilli()));
        time = time.plusSeconds(1);
    }
    assertEmitLatency(buffer);
}

Example 8 with LatencyRecord

use of org.openkilda.wfm.topology.isllatency.model.LatencyRecord in project open-kilda by telstra.

the class IslStatsServiceTest method handleOneWayLatencyEmitOnFirstIslDownTest.

@Test
public void handleOneWayLatencyEmitOnFirstIslDownTest() throws InterruptedException {
    // RTL:      ............................
    // OneWay:   ..X.X.X.X........X.X.X.X....
    // Timeout:  ...|_________|...|_________|
    // ISL down: .........^..................
    List<LatencyRecord> buffer = new ArrayList<>();
    Instant time = Instant.now().minusSeconds(LATENCY_TIMEOUT).minusMillis(500);
    for (int i = 0; i < 4; i++) {
        sendForwardOneWayLatency(i, time);
        // waiting for timeout and collecting one way records
        verifyNoMoreInteractions(carrier);
        buffer.add(new LatencyRecord(i, time.toEpochMilli()));
        time = time.plusSeconds(1);
    }
    buffer.remove(0);
    islStatsService.handleIstStatusUpdateNotification(new IslStatusUpdateNotification(SWITCH_ID_1, PORT_1, SWITCH_ID_2, PORT_2, INACTIVE));
    time = Instant.now();
    int secondPartOfPacketsSize = 4;
    for (int i = 0; i < secondPartOfPacketsSize; i++) {
        sendForwardOneWayLatency(i + secondPartOfPacketsSize, time);
        // we do not add this record into buffer because we must not emit it
        time = time.plusMillis(500);
        // need to real shift of system clock
        sleep(50);
    }
    assertEmitLatency(buffer);
}

Example 9 with LatencyRecord

use of org.openkilda.wfm.topology.isllatency.model.LatencyRecord in project open-kilda by telstra.

the class IslStatsServiceTest method handleOneWayLatencyUseForwardsRtlNotReverseRtlTest.

@Test
public void handleOneWayLatencyUseForwardsRtlNotReverseRtlTest() {
    // RTL:         ...X.X.X.X.X.X.X.X.X.X.....
    // Reverse RTL: ...X.X.X.X.X.X.X.X.X.X.....
    // OneWay:      ..X.X.X.X.X.X.X.X.X.X......
    List<LatencyRecord> buffer = new ArrayList<>();
    Instant time = Instant.now();
    for (int i = 0; i < 10; i++) {
        sendForwardOneWayLatency(i + 10000, time);
        time = time.plusMillis(10);
        sendForwardRoundTripLatency(i, time);
        sendReverseRoundTripLatency(i + 100, time);
        // we must emit only forward RTL
        buffer.add(new LatencyRecord(i, time.toEpochMilli()));
        time = time.plusSeconds(1);
    }
    assertEmitLatency(buffer);
}

Example 10 with LatencyRecord

use of org.openkilda.wfm.topology.isllatency.model.LatencyRecord in project open-kilda by telstra.

the class IslStatsService method handleRoundTripLatencyMetric.

/**
 * Handle round trip latency metric.
 *
 * @param timestamp timestamp of metric
 * @param data round trip latency info data
 * @param destination isl destination endpoint
 */
public void handleRoundTripLatencyMetric(long timestamp, IslRoundTripLatency data, Endpoint destination) {
    if (data.getLatency() < 0) {
        log.warn("Received invalid round trip latency {} for ISL {}_{} ===> {}_{}. Packet Id: {}. Origin: {}", data.getLatency(), data.getSrcSwitchId(), data.getSrcPortNo(), destination.getDatapath(), destination.getPortNumber(), data.getPacketId(), data.getOrigin());
        return;
    }
    log.debug("Received round trip latency {} for ISL {}_{} ===> {}_{}. Packet Id: {}. Origin: {}", data.getLatency(), data.getSrcSwitchId(), data.getSrcPortNo(), destination.getDatapath(), destination.getPortNumber(), data.getPacketId(), data.getOrigin());
    IslKey islKey = new IslKey(data, destination);
    roundTripLatencyStorage.put(islKey, new LatencyRecord(data.getLatency(), timestamp));
    oneWayLatencyEmitTimeoutMap.remove(islKey);
    oneWayLatencyEmitTimeoutMap.remove(islKey.getReverse());
    clearOneWayRecords(islKey);
    clearOneWayRecords(islKey.getReverse());
    carrier.emitLatency(data.getSrcSwitchId(), data.getSrcPortNo(), destination.getDatapath(), destination.getPortNumber(), data.getLatency(), timestamp, data.getOrigin());
}