Examples with MeterCellId org.onosproject.net.meter.MeterCellId used on opensource projects

Example 1 with MeterCellId

use of org.onosproject.net.meter.MeterCellId in project onos by opennetworkinglab.

the class MeterManager method submit.

@Override
public Meter submit(MeterRequest request) {
    checkNotNull(request, "request cannot be null.");
    MeterCellId cellId;
    if (request.index().isPresent()) {
        checkArgument(userDefinedIndex, "Index cannot be provided when userDefinedIndex mode is disabled");
        // User provides index
        if (request.scope().isGlobal()) {
            cellId = MeterId.meterId(request.index().get());
        } else {
            cellId = PiMeterCellId.ofIndirect(PiMeterId.of(request.scope().id()), request.index().get());
        }
    } else {
        checkArgument(!userDefinedIndex, "Index cannot be allocated when userDefinedIndex mode is enabled");
        // Allocate an id
        cellId = allocateMeterId(request.deviceId(), request.scope());
    }
    Meter.Builder mBuilder = DefaultMeter.builder().forDevice(request.deviceId()).fromApp(request.appId()).withBands(request.bands()).withCellId(cellId).withUnit(request.unit());
    if (request.isBurst()) {
        mBuilder.burst();
    }
    if (request.annotations() != null && !request.annotations().keys().isEmpty()) {
        mBuilder.withAnnotations(request.annotations());
    }
    DefaultMeter m = (DefaultMeter) mBuilder.build();
    // Meter installation logic (happy ending case)
    // PENDING -> stats -> ADDED -> future completes
    m.setState(MeterState.PENDING_ADD);
    store.addOrUpdateMeter(m).whenComplete((result, error) -> onComplete.accept(request, result, error));
    return m;
}

Example 2 with MeterCellId

use of org.onosproject.net.meter.MeterCellId in project onos by opennetworkinglab.

the class DistributedMeterStore method firstReusableMeterId.

// Implements reuse strategy of the meter cell ids
private MeterCellId firstReusableMeterId(MeterTableKey meterTableKey) {
    DistributedSet<MeterKey> keySet = availableMeterIds.get(meterTableKey);
    if (keySet == null) {
        log.warn("Reusable Key set for device: {} scope: {} not found", meterTableKey.deviceId(), meterTableKey.scope());
        return null;
    }
    Set<MeterCellId> localAvailableMeterIds = keySet.stream().filter(meterKey -> meterKey.deviceId().equals(meterTableKey.deviceId())).map(MeterKey::meterCellId).collect(Collectors.toSet());
    MeterCellId meterId = getNextAvailableId(localAvailableMeterIds);
    while (meterId != null) {
        if (updateMeterIdAvailability(meterTableKey, meterId, false)) {
            return meterId;
        }
        localAvailableMeterIds.remove(meterId);
        meterId = getNextAvailableId(localAvailableMeterIds);
    }
    // there are no available ids that can be reused
    return null;
}

Example 3 with MeterCellId

use of org.onosproject.net.meter.MeterCellId in project onos by opennetworkinglab.

the class DistributedMeterStore method allocateMeterId.

@Override
public MeterCellId allocateMeterId(DeviceId deviceId, MeterScope meterScope) {
    if (userDefinedIndexMode) {
        log.warn("Unable to allocate meter id when user defined index mode is enabled");
        return null;
    }
    MeterTableKey meterTableKey = MeterTableKey.key(deviceId, meterScope);
    MeterCellId meterCellId;
    long id;
    // First, search for reusable key
    meterCellId = firstReusableMeterId(meterTableKey);
    if (meterCellId != null) {
        return meterCellId;
    }
    // If there was no reusable meter id we have to generate a new value
    // using start and end index as lower and upper bound respectively.
    long startIndex = getStartIndex(meterTableKey);
    long endIndex = getEndIndex(meterTableKey);
    // If the device does not give us MeterFeatures fallback to queryMeters
    if (startIndex == -1L || endIndex == -1L) {
        // Only meaningful for OpenFlow today
        long maxMeters = queryMaxMeters(deviceId);
        if (maxMeters == 0L) {
            return null;
        } else {
            // OpenFlow meter index starts from 1, ends with max
            startIndex = 1L;
            endIndex = maxMeters;
        }
    }
    do {
        id = meterIdGenerators.getAndIncrement(meterTableKey);
    } while (id < startIndex);
    if (id > endIndex) {
        return null;
    }
    // return a MeterId, otherwise we create a PiMeterCellId
    if (meterScope.isGlobal()) {
        return MeterId.meterId(id);
    } else {
        return PiMeterCellId.ofIndirect(PiMeterId.of(meterScope.id()), id);
    }
}

Example 4 with MeterCellId

use of org.onosproject.net.meter.MeterCellId in project onos by opennetworkinglab.

the class DistributedMeterStoreTest method testGetMetersImmutability.

/**
 * Test getMeters API immutability.
 */
@Test
public void testGetMetersImmutability() {
    initMeterStore(false);
    MeterCellId idOne = meterStore.allocateMeterId(did1, MeterScope.globalScope());
    assertThat(mid1, is(idOne));
    Meter meterOne = DefaultMeter.builder().forDevice(did1).fromApp(APP_ID).withId(mid1).withUnit(Meter.Unit.KB_PER_SEC).withBands(Collections.singletonList(b1)).build();
    ((DefaultMeter) meterOne).setState(MeterState.PENDING_ADD);
    meterStore.addOrUpdateMeter(meterOne);
    Collection<Meter> meters = meterStore.getAllMeters();
    Collection<Meter> metersDevice = meterStore.getAllMeters(did1);
    assertThat(1, is(meters.size()));
    assertThat(1, is(metersDevice.size()));
    MeterCellId idTwo = meterStore.allocateMeterId(did1, MeterScope.globalScope());
    assertThat(mid2, is(idTwo));
    Meter meterTwo = DefaultMeter.builder().forDevice(did1).fromApp(APP_ID).withId(mid2).withUnit(Meter.Unit.KB_PER_SEC).withBands(Collections.singletonList(b1)).build();
    ((DefaultMeter) meterTwo).setState(MeterState.PENDING_ADD);
    meterStore.addOrUpdateMeter(meterTwo);
    assertThat(1, is(meters.size()));
    assertThat(1, is(metersDevice.size()));
    meters = meterStore.getAllMeters();
    metersDevice = meterStore.getAllMeters(did1);
    assertThat(2, is(meters.size()));
    assertThat(2, is(metersDevice.size()));
}

Example 5 with MeterCellId

use of org.onosproject.net.meter.MeterCellId in project onos by opennetworkinglab.

the class DistributedMeterStoreTest method testNoDeleteMeter.

/**
 * Test no delete meter.
 */
@Test
public void testNoDeleteMeter() {
    initMeterStore(false);
    MeterCellId idOne = meterStore.allocateMeterId(did1, MeterScope.globalScope());
    MeterKey keyOne = MeterKey.key(did1, idOne);
    Meter meterOne = DefaultMeter.builder().forDevice(did1).fromApp(APP_ID).withId(mid1).withUnit(Meter.Unit.KB_PER_SEC).withBands(Collections.singletonList(b1)).build();
    ((DefaultMeter) meterOne).setState(MeterState.PENDING_REMOVE);
    meterStore.deleteMeter(meterOne);
    assertThat(0, is(meterStore.getAllMeters().size()));
    assertThat(0, is(meterStore.getAllMeters(did1).size()));
    assertNull(meterStore.getMeter(keyOne));
}