Examples with Load org.onosproject.net.statistic.Load used on opensource projects

Example 6 with Load

use of org.onosproject.net.statistic.Load in project onos by opennetworkinglab.

the class StatisticManager method max.

@Override
public Link max(Path path) {
    checkPermission(STATISTIC_READ);
    if (path.links().isEmpty()) {
        return null;
    }
    Load maxLoad = new DefaultLoad();
    Link maxLink = null;
    for (Link link : path.links()) {
        Load load = loadInternal(link.src());
        if (load.rate() > maxLoad.rate()) {
            maxLoad = load;
            maxLink = link;
        }
    }
    return maxLink;
}

Example 7 with Load

use of org.onosproject.net.statistic.Load in project onos by opennetworkinglab.

the class StatisticsWebResource method getLoads.

/**
 * Gets load statistics for all links or for a specific link.
 *
 * @onos.rsModel StatisticsFlowsLink
 * @param deviceId (optional) device ID for a specific link
 * @param port (optional) port number for a specified link
 * @return 200 OK with JSON encoded array of Load objects
 */
@GET
@Path("flows/link")
@Produces(MediaType.APPLICATION_JSON)
public Response getLoads(@QueryParam("device") String deviceId, @QueryParam("port") String port) {
    Iterable<Link> links;
    if (deviceId == null || port == null) {
        links = get(LinkService.class).getLinks();
    } else {
        ConnectPoint connectPoint = new ConnectPoint(deviceId(deviceId), portNumber(port));
        links = get(LinkService.class).getLinks(connectPoint);
    }
    ObjectNode result = mapper().createObjectNode();
    ArrayNode loads = mapper().createArrayNode();
    JsonCodec<Load> loadCodec = codec(Load.class);
    StatisticService statsService = getService(StatisticService.class);
    StreamSupport.stream(Spliterators.spliteratorUnknownSize(links.iterator(), Spliterator.ORDERED), false).forEach(link -> {
        ObjectNode loadNode = loadCodec.encode(statsService.load(link), this);
        UriBuilder locationBuilder = uriInfo.getBaseUriBuilder().path("links").queryParam("device", link.src().deviceId().toString()).queryParam("port", link.src().port().toString());
        loadNode.put("link", locationBuilder.build().toString());
        loads.add(loadNode);
    });
    result.set("loads", loads);
    return ok(result).build();
}

Example 8 with Load

use of org.onosproject.net.statistic.Load in project onos by opennetworkinglab.

the class LoadCodecTest method testLoadEncode.

/**
 * Tests encoding of a Load object.
 */
@Test
public void testLoadEncode() {
    final long startTime = System.currentTimeMillis();
    final Load load = new DefaultLoad(20, 10, 1);
    final JsonNode node = new LoadCodec().encode(load, new MockCodecContext());
    assertThat(node.get("valid").asBoolean(), is(true));
    assertThat(node.get("latest").asLong(), is(20L));
    assertThat(node.get("rate").asLong(), is(10L));
    assertThat(node.get("time").asLong(), greaterThanOrEqualTo(startTime));
}

Example 9 with Load

use of org.onosproject.net.statistic.Load in project onos by opennetworkinglab.

the class TrafficMonitorBase method attachPortLoad.

/**
 * Processes the given traffic link to attach the "port load" attributed
 * to the underlying topology links, for the specified metric type (either
 * bytes/sec or packets/sec).
 *
 * @param link       the traffic link to process
 * @param metricType the metric type (bytes or packets)
 */
protected void attachPortLoad(TrafficLink link, MetricType metricType) {
    // For bi-directional traffic links, use
    // the max link rate of either direction
    // (we choose 'one' since we know that is never null)
    Link one = link.one();
    Load egressSrc = services.portStats().load(one.src(), metricType);
    Load egressDst = services.portStats().load(one.dst(), metricType);
    link.addLoad(maxLoad(egressSrc, egressDst), metricType == BYTES ? BPS_THRESHOLD : 0);
}

Example 10 with Load

use of org.onosproject.net.statistic.Load in project onos by opennetworkinglab.

the class TrafficLinkTest method basic.

@Test
public void basic() {
    title("basic");
    TrafficLink tl = createALink();
    Load bigLoad = new DefaultLoad(2000, 0);
    tl.addLoad(bigLoad);
    print(tl);
    assertEquals("bad bytes value", 2000, tl.bytes());
    // NOTE: rate is bytes / period (10 seconds)
    assertEquals("bad rate value", 200, tl.rate());
    // this load does not represent flows
    assertEquals("bad flow count", 0, tl.flows());
}