Examples with HostEvent org.onosproject.net.host.HostEvent used on opensource projects

Example 31 with HostEvent

use of org.onosproject.net.host.HostEvent in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testDualHomedHostMoveToInvalidLocation.

@Test
public void testDualHomedHostMoveToInvalidLocation() {
    Host host1 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC11, HOST_LOC21), Sets.newHashSet(HOST_IP11), false);
    Host host2 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC11, HOST_LOC51), Sets.newHashSet(HOST_IP11), false);
    Host host3 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC61, HOST_LOC51), Sets.newHashSet(HOST_IP11), false);
    // Add a host
    // Expect: add two new routing rules, two new bridging rules
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, host1));
    assertEquals(2, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV2, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV2, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Move first host location to an invalid location
    // Expect: One routing and one bridging flow
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host2, host1));
    assertEquals(1, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(1, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Move second host location to an invalid location
    // Expect: No routing or bridging rule
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host3, host2));
    assertEquals(0, ROUTING_TABLE.size());
    assertEquals(0, BRIDGING_TABLE.size());
    // Move second host location back to a valid location
    // Expect: One routing and one bridging flow
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host2, host3));
    assertEquals(1, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(1, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Move first host location back to a valid location
    // Expect: Two routing and two bridging flow
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host1, host2));
    assertEquals(2, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV2, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV2, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
}

Example 32 with HostEvent

use of org.onosproject.net.host.HostEvent in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testDelayedIpAndLocation.

@Test
public void testDelayedIpAndLocation() {
    Host host1 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31), Sets.newHashSet(), false);
    Host host2 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31), Sets.newHashSet(HOST_IP11), false);
    Host host3 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31, HOST_LOC41), Sets.newHashSet(HOST_IP11), false);
    // Add a dual-home host with only one location and no IP
    // Expect: only bridging redirection works
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, host1));
    assertEquals(0, ROUTING_TABLE.size());
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P9, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Discover IP
    // Expect: routing redirection should also work
    hostHandler.processHostUpdatedEvent(new HostEvent(HostEvent.Type.HOST_UPDATED, host2, host1));
    assertEquals(2, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P9, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P9, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Expect probe to be sent out on pair device
    assertTrue(mockLocationProbingService.verifyProbe(host2, CP41, ProbeMode.DISCOVER));
    // Discover location
    // Expect: cancel all redirections
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host3, host2));
    assertEquals(2, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
}

Example 33 with HostEvent

use of org.onosproject.net.host.HostEvent in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testDualHomingBothLocationFail.

@Test
public void testDualHomingBothLocationFail() {
    Host host1 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31, HOST_LOC41), Sets.newHashSet(HOST_IP11, HOST_IP12), false);
    Host host2 = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC31), Sets.newHashSet(HOST_IP11, HOST_IP12), false);
    // Add a host
    // Expect: add four new routing rules, two new bridging rules
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, host1));
    assertEquals(4, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Host becomes single-homed
    // Expect: redirect flows from host location to pair link
    hostHandler.processHostMovedEvent(new HostEvent(HostEvent.Type.HOST_MOVED, host2, host1));
    assertEquals(4, ROUTING_TABLE.size());
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P1, ROUTING_TABLE.get(new MockRoutingTableKey(DEV3, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(P9, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP11.toIpPrefix())).portNumber);
    assertEquals(P9, ROUTING_TABLE.get(new MockRoutingTableKey(DEV4, HOST_IP12.toIpPrefix())).portNumber);
    assertEquals(2, BRIDGING_TABLE.size());
    assertEquals(P1, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV3, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    assertEquals(P9, BRIDGING_TABLE.get(new MockBridgingTableKey(DEV4, HOST_MAC, INTF_VLAN_UNTAGGED)).portNumber);
    // Host loses both locations
    // Expect: Remove last location and all previous redirection flows
    hostHandler.processHostRemovedEvent(new HostEvent(HostEvent.Type.HOST_REMOVED, host2));
    assertEquals(0, ROUTING_TABLE.size());
    assertEquals(0, BRIDGING_TABLE.size());
}

Example 34 with HostEvent

use of org.onosproject.net.host.HostEvent in project trellis-control by opennetworkinglab.

the class HostHandlerTest method testHostRemovedWithRouteRemoved.

@Test
public void testHostRemovedWithRouteRemoved() {
    Host subject = new DefaultHost(PROVIDER_ID, HOST_ID_UNTAGGED, HOST_MAC, HOST_VLAN_UNTAGGED, Sets.newHashSet(HOST_LOC11), Sets.newHashSet(HOST_IP11), false);
    // Add a host
    // Expect: add one routing rule and one bridging rule
    hostHandler.processHostAddedEvent(new HostEvent(HostEvent.Type.HOST_ADDED, subject));
    assertEquals(1, ROUTING_TABLE.size());
    assertNotNull(ROUTING_TABLE.get(new MockRoutingTableKey(DEV1, HOST_IP11.toIpPrefix())));
    assertEquals(1, BRIDGING_TABLE.size());
    assertNotNull(BRIDGING_TABLE.get(new MockBridgingTableKey(DEV1, HOST_MAC, INTF_VLAN_UNTAGGED)));
    IpPrefix prefix = IpPrefix.valueOf("55.55.55.0/24");
    // Setting up mock route service
    RouteService routeService = hostHandler.srManager.routeService;
    reset(routeService);
    IpAddress nextHopIp2 = IpAddress.valueOf("20.0.0.1");
    MacAddress nextHopMac2 = MacAddress.valueOf("00:22:33:44:55:66");
    VlanId nextHopVlan2 = VlanId.NONE;
    Route r1 = new Route(Route.Source.STATIC, prefix, HOST_IP11);
    ResolvedRoute rr1 = new ResolvedRoute(r1, HOST_MAC, VlanId.NONE);
    Route r2 = new Route(Route.Source.STATIC, prefix, nextHopIp2);
    ResolvedRoute rr2 = new ResolvedRoute(r2, nextHopMac2, nextHopVlan2);
    RouteInfo routeInfo = new RouteInfo(prefix, rr1, Sets.newHashSet(rr1, rr2));
    RouteTableId routeTableId = new RouteTableId("ipv4");
    expect(routeService.getRouteTables()).andReturn(Sets.newHashSet(routeTableId));
    expect(routeService.getRoutes(routeTableId)).andReturn(Sets.newHashSet(routeInfo));
    replay(routeService);
    // Setting up mock device configuration
    hostHandler.srManager.deviceConfiguration = EasyMock.createNiceMock(DeviceConfiguration.class);
    DeviceConfiguration deviceConfiguration = hostHandler.srManager.deviceConfiguration;
    expect(deviceConfiguration.inSameSubnet(CP11, HOST_IP11)).andReturn(true);
    deviceConfiguration.removeSubnet(CP11, prefix);
    expectLastCall();
    replay(deviceConfiguration);
    // Remove the host
    // Expect: add the routing rule and the bridging rule
    hostHandler.processHostRemovedEvent(new HostEvent(HostEvent.Type.HOST_REMOVED, subject));
    assertEquals(0, ROUTING_TABLE.size());
    assertEquals(0, BRIDGING_TABLE.size());
    // Expect: subnet is removed from device config
    verify(deviceConfiguration);
}

Example 35 with HostEvent

use of org.onosproject.net.host.HostEvent in project trellis-control by opennetworkinglab.

the class HostHandler method processHostMovedEventInternal.

private void processHostMovedEventInternal(HostEvent event) {
    // This method will be called when one of the following value has changed:
    // (1) locations (2) auxLocations or (3) both locations and auxLocations.
    // We only need to proceed when effectiveLocation has changed.
    Set<HostLocation> newLocations = effectiveLocations(event.subject());
    Set<HostLocation> prevLocations = effectiveLocations(event.prevSubject());
    if (newLocations.equals(prevLocations)) {
        log.info("effectiveLocations of {} has not changed. Skipping {}", event.subject().id(), event);
        return;
    }
    Host host = event.subject();
    Host prevHost = event.prevSubject();
    MacAddress hostMac = host.mac();
    VlanId hostVlanId = host.vlan();
    Set<IpAddress> prevIps = prevHost.ipAddresses();
    Set<IpAddress> newIps = host.ipAddresses();
    EthType hostTpid = host.tpid();
    boolean doubleTaggedHost = isDoubleTaggedHost(host);
    log.info("Host {}/{} is moved from {} to {}", hostMac, hostVlanId, prevLocations, newLocations);
    Set<DeviceId> newDeviceIds = newLocations.stream().map(HostLocation::deviceId).collect(Collectors.toSet());
    // For each old location
    Sets.difference(prevLocations, newLocations).forEach(prevLocation -> {
        // Remove routing rules for old IPs
        Sets.difference(prevIps, newIps).forEach(ip -> {
            if (doubleTaggedHost) {
                processDoubleTaggedRoutingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true);
            } else {
                processRoutingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, ip, true);
            }
        });
        // Redirect the flows to pair link if configured
        // Note: Do not continue removing any rule
        Optional<DeviceId> pairDeviceId = srManager.getPairDeviceId(prevLocation.deviceId());
        Optional<PortNumber> pairLocalPort = srManager.getPairLocalPort(prevLocation.deviceId());
        if (pairDeviceId.isPresent() && pairLocalPort.isPresent() && newLocations.stream().anyMatch(location -> location.deviceId().equals(pairDeviceId.get())) && newLocations.stream().noneMatch(location -> location.deviceId().equals(prevLocation.deviceId()))) {
            // NOTE: Since the pairLocalPort is trunk port, use assigned vlan of original port
            // when the host is untagged
            VlanId vlanId = Optional.ofNullable(srManager.getInternalVlanId(prevLocation)).orElse(hostVlanId);
            processBridgingRule(prevLocation.deviceId(), pairLocalPort.get(), hostMac, vlanId, false);
            newIps.forEach(ip -> processRoutingRule(prevLocation.deviceId(), pairLocalPort.get(), hostMac, vlanId, ip, false));
            return;
        }
        // Otherwise, do not remove and let the adding part update the old flow
        if (!newDeviceIds.contains(prevLocation.deviceId())) {
            processBridgingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, true);
            Sets.intersection(prevIps, newIps).forEach(ip -> {
                if (doubleTaggedHost) {
                    processDoubleTaggedRoutingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true);
                } else {
                    processRoutingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, ip, true);
                }
            });
        }
        // Otherwise, do not remove and let the adding part update the old flow
        if (newLocations.stream().noneMatch(newLocation -> {
            VlanId oldAssignedVlan = srManager.getInternalVlanId(prevLocation);
            VlanId newAssignedVlan = srManager.getInternalVlanId(newLocation);
            // Host is tagged and the new location has the host vlan in vlan-tagged
            return srManager.interfaceService.getTaggedVlanId(newLocation).contains(hostVlanId) || (oldAssignedVlan != null && newAssignedVlan != null && // Host is untagged and the new location has the same assigned vlan
            oldAssignedVlan.equals(newAssignedVlan));
        })) {
            processBridgingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, true);
        }
        // Remove routing rules for unchanged IPs if none of the subnet of new location contains
        // the IP. Otherwise, do not remove and let the adding part update the old flow
        Sets.intersection(prevIps, newIps).forEach(ip -> {
            if (newLocations.stream().noneMatch(newLocation -> srManager.deviceConfiguration.inSameSubnet(newLocation, ip))) {
                if (doubleTaggedHost) {
                    processDoubleTaggedRoutingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true);
                } else {
                    processRoutingRule(prevLocation.deviceId(), prevLocation.port(), hostMac, hostVlanId, ip, true);
                }
            }
        });
    });
    // For each new location, add all new IPs.
    Sets.difference(newLocations, prevLocations).forEach(newLocation -> {
        processBridgingRule(newLocation.deviceId(), newLocation.port(), hostMac, hostVlanId, false);
        newIps.forEach(ip -> {
            if (doubleTaggedHost) {
                processDoubleTaggedRoutingRule(newLocation.deviceId(), newLocation.port(), hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, false);
            } else {
                processRoutingRule(newLocation.deviceId(), newLocation.port(), hostMac, hostVlanId, ip, false);
            }
        });
        // But will also cover [1A/x] -> [1A/y] -> [1A/y, 1B/y]
        if (srManager.activeProbing) {
            srManager.getPairDeviceId(newLocation.deviceId()).ifPresent(pairDeviceId -> srManager.getPairLocalPort(pairDeviceId).ifPresent(pairRemotePort -> probe(host, newLocation, pairDeviceId, pairRemotePort)));
        }
    });
    // For each unchanged location, add new IPs and remove old IPs.
    Sets.intersection(newLocations, prevLocations).forEach(unchangedLocation -> {
        Sets.difference(prevIps, newIps).forEach(ip -> {
            if (doubleTaggedHost) {
                processDoubleTaggedRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, true);
            } else {
                processRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), hostMac, hostVlanId, ip, true);
            }
        });
        Sets.difference(newIps, prevIps).forEach(ip -> {
            if (doubleTaggedHost) {
                processDoubleTaggedRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), hostMac, host.innerVlan(), hostVlanId, hostTpid, ip, false);
            } else {
                processRoutingRule(unchangedLocation.deviceId(), unchangedLocation.port(), hostMac, hostVlanId, ip, false);
            }
        });
        // Verify existing location and see if it is still valid
        srManager.probingService.probeHost(host, unchangedLocation, ProbeMode.VERIFY);
    });
    // ensure dual-homed host locations have viable uplinks
    if (newLocations.size() > prevLocations.size() || srManager.singleHomedDown) {
        newLocations.forEach(loc -> {
            if (srManager.shouldProgram(loc.deviceId())) {
                srManager.linkHandler.checkUplinksForHost(loc);
            }
        });
    }
}