Examples with GetPathsResult org.openkilda.pce.GetPathsResult used on opensource projects

Example 36 with GetPathsResult

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

the class CostPathComputationStrategyTest method shouldFindTheSameDiversePath.

@Test
public void shouldFindTheSameDiversePath() throws RecoverableException, UnroutableFlowException {
    createDiamondWithDiversity();
    Flow flow = Flow.builder().flowId("new-flow").diverseGroupId("diverse").bandwidth(10).srcSwitch(getSwitchById("00:0A")).srcPort(10).destSwitch(getSwitchById("00:0D")).destPort(10).encapsulationType(FlowEncapsulationType.TRANSIT_VLAN).pathComputationStrategy(PathComputationStrategy.COST).build();
    PathComputer pathComputer = pathComputerFactory.getPathComputer();
    GetPathsResult diversePath = pathComputer.getPath(flow);
    FlowPath forwardPath = FlowPath.builder().pathId(new PathId(UUID.randomUUID().toString())).srcSwitch(flow.getSrcSwitch()).destSwitch(flow.getDestSwitch()).bandwidth(flow.getBandwidth()).build();
    addPathSegments(forwardPath, diversePath.getForward());
    flow.setForwardPath(forwardPath);
    FlowPath reversePath = FlowPath.builder().pathId(new PathId(UUID.randomUUID().toString())).srcSwitch(flow.getDestSwitch()).destSwitch(flow.getSrcSwitch()).bandwidth(flow.getBandwidth()).build();
    addPathSegments(reversePath, diversePath.getReverse());
    flow.setReversePath(reversePath);
    flowRepository.add(flow);
    GetPathsResult path2 = pathComputer.getPath(flow, flow.getPathIds());
    assertEquals(diversePath, path2);
}

Example 37 with GetPathsResult

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

the class CostPathComputationStrategyTest method shouldFailToFindOverIslandsWithAllActiveLinksAndIgnoreBandwidth.

/**
 * Create a couple of islands .. try to find a path between them .. validate no path is returned, and that the
 * function completes in reasonable time ( < 10ms);
 */
@Test
public void shouldFailToFindOverIslandsWithAllActiveLinksAndIgnoreBandwidth() throws RecoverableException, UnroutableFlowException {
    createDiamond(IslStatus.ACTIVE, IslStatus.ACTIVE, 10, 20, "06:", 1);
    createDiamond(IslStatus.ACTIVE, IslStatus.ACTIVE, 10, 20, "07:", 1);
    Switch srcSwitch1 = getSwitchById("06:01");
    Switch destSwitch1 = getSwitchById("06:03");
    // THIS ONE SHOULD WORK
    Flow f1 = new TestFlowBuilder().srcSwitch(srcSwitch1).destSwitch(destSwitch1).bandwidth(0).ignoreBandwidth(false).build();
    PathComputer pathComputer = pathComputerFactory.getPathComputer();
    GetPathsResult path = pathComputer.getPath(f1);
    assertNotNull(path);
    assertThat(path.getForward().getSegments(), Matchers.hasSize(1));
    Switch srcSwitch2 = getSwitchById("06:01");
    Switch destSwitch2 = getSwitchById("07:04");
    // THIS ONE SHOULD FAIL
    Flow f2 = new TestFlowBuilder().srcSwitch(srcSwitch2).destSwitch(destSwitch2).bandwidth(0).ignoreBandwidth(false).build();
    thrown.expect(UnroutableFlowException.class);
    pathComputer.getPath(f2);
}

Example 38 with GetPathsResult

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

the class CostPathComputationStrategyTest method shouldFindDiversePath.

@Test
public void shouldFindDiversePath() throws RecoverableException, UnroutableFlowException {
    createDiamondWithDiversity();
    Flow flow = Flow.builder().flowId("new-flow").diverseGroupId("diverse").bandwidth(10).srcSwitch(getSwitchById("00:0A")).destSwitch(getSwitchById("00:0D")).encapsulationType(FlowEncapsulationType.TRANSIT_VLAN).pathComputationStrategy(PathComputationStrategy.COST).build();
    PathComputer pathComputer = pathComputerFactory.getPathComputer();
    GetPathsResult diversePath = pathComputer.getPath(flow);
    diversePath.getForward().getSegments().forEach(segment -> {
        assertNotEquals(new SwitchId("00:0B"), segment.getSrcSwitchId());
        assertNotEquals(new SwitchId("00:0B"), segment.getDestSwitchId());
    });
}

Example 39 with GetPathsResult

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

the class CostPathComputationStrategyTest method shouldFindPathOverDiamondWithAllActiveLinksAndIgnoreBandwidth.

@Test
public void shouldFindPathOverDiamondWithAllActiveLinksAndIgnoreBandwidth() throws RecoverableException, UnroutableFlowException {
    createDiamond(IslStatus.ACTIVE, IslStatus.ACTIVE, 10, 20, "05:", 1);
    Switch srcSwitch1 = getSwitchById("05:01");
    Switch destSwitch1 = getSwitchById("05:03");
    Flow f1 = new TestFlowBuilder().srcSwitch(srcSwitch1).destSwitch(destSwitch1).bandwidth(0).ignoreBandwidth(false).build();
    PathComputer pathComputer = pathComputerFactory.getPathComputer();
    GetPathsResult path = pathComputer.getPath(f1);
    assertNotNull(path);
    assertThat(path.getForward().getSegments(), Matchers.hasSize(1));
    Switch srcSwitch2 = getSwitchById("05:01");
    Switch destSwitch2 = getSwitchById("05:04");
    Flow f2 = new TestFlowBuilder().srcSwitch(srcSwitch2).destSwitch(destSwitch2).bandwidth(0).ignoreBandwidth(false).build();
    path = pathComputer.getPath(f2);
    assertNotNull(path);
    assertThat(path.getForward().getSegments(), Matchers.hasSize(2));
    assertEquals(new SwitchId("05:02"), path.getForward().getSegments().get(0).getDestSwitchId());
}

Example 40 with GetPathsResult

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

the class CostPathComputationStrategyTest method shouldFindPathOverDiamondWithAllActiveLinksByCost.

@Test
public void shouldFindPathOverDiamondWithAllActiveLinksByCost() throws UnroutableFlowException, RecoverableException {
    /*
         * simple happy path test .. everything has cost
         */
    createDiamond(IslStatus.ACTIVE, IslStatus.ACTIVE, 10, 20, "00:", 1);
    Switch srcSwitch = getSwitchById("00:01");
    Switch destSwitch = getSwitchById("00:04");
    Flow f = new TestFlowBuilder().srcSwitch(srcSwitch).destSwitch(destSwitch).bandwidth(100).build();
    PathComputer pathComputer = pathComputerFactory.getPathComputer();
    GetPathsResult path = pathComputer.getPath(f);
    assertNotNull(path);
    assertThat(path.getForward().getSegments(), Matchers.hasSize(2));
    // chooses path B
    assertEquals(new SwitchId("00:02"), path.getForward().getSegments().get(0).getDestSwitchId());
}