Examples with AvailableNetwork org.openkilda.pce.impl.AvailableNetwork used on opensource projects

Example 1 with AvailableNetwork

use of org.openkilda.pce.impl.AvailableNetwork in project open-kilda by telstra.

the class AvailableNetworkFactoryTest method shouldBuildAvailableNetworkForFlowWithIgnoreBandwidthPaths.

@Test
public void shouldBuildAvailableNetworkForFlowWithIgnoreBandwidthPaths() throws Exception {
    Flow flow = getFlow(false);
    IslImmutableView isl = getIslView(flow);
    PathId pathId = new PathId("flow-path-id");
    FlowPath flowPath = FlowPath.builder().pathId(pathId).srcSwitch(flow.getSrcSwitch()).destSwitch(flow.getDestSwitch()).ignoreBandwidth(true).build();
    when(config.getNetworkStrategy()).thenReturn("SYMMETRIC_COST");
    when(islRepository.findSymmetricActiveByBandwidthAndEncapsulationType(flow.getBandwidth(), flow.getEncapsulationType())).thenReturn(Collections.singletonList(isl));
    when(flowPathRepository.findById(pathId)).thenReturn(Optional.of(flowPath));
    AvailableNetwork availableNetwork = availableNetworkFactory.getAvailableNetwork(flow, Collections.singletonList(pathId));
    assertAvailableNetworkIsCorrect(isl, availableNetwork);
}

Example 2 with AvailableNetwork

use of org.openkilda.pce.impl.AvailableNetwork in project open-kilda by telstra.

the class AvailableNetworkFactoryTest method shouldBuildAvailableNetworkUsingSymmetricCostStrategyWithIgnoreBandwidth.

@Test
public void shouldBuildAvailableNetworkUsingSymmetricCostStrategyWithIgnoreBandwidth() throws RecoverableException {
    Flow flow = getFlow(true);
    IslImmutableView isl = getIslView(flow);
    when(config.getNetworkStrategy()).thenReturn("SYMMETRIC_COST");
    when(islRepository.findActiveByEncapsulationType(flow.getEncapsulationType())).thenReturn(Collections.singletonList(isl));
    AvailableNetwork availableNetwork = availableNetworkFactory.getAvailableNetwork(flow, Collections.emptyList());
    assertAvailableNetworkIsCorrect(isl, availableNetwork);
}

Example 3 with AvailableNetwork

use of org.openkilda.pce.impl.AvailableNetwork in project open-kilda by telstra.

the class AvailableNetworkFactoryTest method shouldBuildAvailableNetworkUsingCostStrategyWithIgnoreBandwidth.

@Test
public void shouldBuildAvailableNetworkUsingCostStrategyWithIgnoreBandwidth() throws RecoverableException {
    Flow flow = getFlow(true);
    IslImmutableView isl = getIslView(flow);
    when(config.getNetworkStrategy()).thenReturn("COST");
    when(islRepository.findActiveByEncapsulationType(flow.getEncapsulationType())).thenReturn(Collections.singletonList(isl));
    AvailableNetwork availableNetwork = availableNetworkFactory.getAvailableNetwork(flow, Collections.emptyList());
    assertAvailableNetworkIsCorrect(isl, availableNetwork);
}

Example 4 with AvailableNetwork

use of org.openkilda.pce.impl.AvailableNetwork in project open-kilda by telstra.

the class AvailableNetworkFactoryTest method shouldIncreaseDiversityGroupUseCounter.

@Test
public void shouldIncreaseDiversityGroupUseCounter() throws RecoverableException {
    // Topology:
    // A----B----C     Already created flow: B-D
    // |          Requested flow: A-B-C
    // D
    // there is no ISL B-D because we assume that is has no enough bandwidth
    List<IslImmutableView> isls = new ArrayList<>();
    isls.addAll(getBidirectionalIsls(switchA, 1, switchB, 2));
    isls.addAll(getBidirectionalIsls(switchB, 3, switchC, 4));
    FlowPath forwardPath = FlowPath.builder().srcSwitch(switchB).destSwitch(switchD).pathId(FORWARD_PATH_ID).segments(Collections.singletonList(PathSegment.builder().pathId(FORWARD_PATH_ID).srcSwitch(switchB).srcPort(SRC_PORT).destSwitch(switchD).destPort(DEST_PORT).build())).build();
    when(flowPathRepository.findById(FORWARD_PATH_ID)).thenReturn(java.util.Optional.of(forwardPath));
    FlowPath reversePath = FlowPath.builder().srcSwitch(switchD).destSwitch(switchB).pathId(REVERSE_PATH_ID).segments(Collections.singletonList(PathSegment.builder().pathId(REVERSE_PATH_ID).srcSwitch(switchD).srcPort(DEST_PORT).destSwitch(switchB).destPort(SRC_PORT).build())).build();
    when(flowPathRepository.findById(REVERSE_PATH_ID)).thenReturn(java.util.Optional.of(reversePath));
    Flow flow = getFlow(false);
    flow.setSrcSwitch(switchA);
    flow.setDestSwitch(switchC);
    flow.setDiverseGroupId(DIVERSE_GROUP_ID);
    flow.setForwardPathId(new PathId("forward_path_id"));
    flow.setReversePathId(new PathId("reverse_path_id"));
    when(config.getNetworkStrategy()).thenReturn(BuildStrategy.COST.name());
    when(islRepository.findActiveByBandwidthAndEncapsulationType(flow.getBandwidth(), flow.getEncapsulationType())).thenReturn(isls);
    when(flowPathRepository.findPathIdsByFlowDiverseGroupId(DIVERSE_GROUP_ID)).thenReturn(Lists.newArrayList(FORWARD_PATH_ID, REVERSE_PATH_ID));
    AvailableNetwork availableNetwork = availableNetworkFactory.getAvailableNetwork(flow, Collections.emptyList());
    assertEquals(2, availableNetwork.getSwitch(switchB.getSwitchId()).getDiversityGroupUseCounter());
}

Example 5 with AvailableNetwork

use of org.openkilda.pce.impl.AvailableNetwork in project open-kilda by telstra.

the class BestWeightAndShortestPathFinderTest method shouldFailIfNoPathLessThanMaxWeightOrBackUpMaxWeight.

/**
 * Fail to find a path if all available paths cost more or equal to maxWeight.
 */
@Test(expected = UnroutableFlowException.class)
public void shouldFailIfNoPathLessThanMaxWeightOrBackUpMaxWeight() throws UnroutableFlowException {
    // given 3 paths that cost: 198, 200, 201
    AvailableNetwork network = buildThreePathsNetwork();
    BestWeightAndShortestPathFinder pathFinder = new BestWeightAndShortestPathFinder(ALLOWED_DEPTH);
    // when: request a path with maxWeight 198
    pathFinder.findPathWithWeightCloseToMaxWeight(network, SWITCH_ID_1, SWITCH_ID_5, WEIGHT_FUNCTION, 198L, 198L);
// then: no path found
}