@Activate
protected void activate() {
appId = coreService.registerApplication("org.onosproject.cordvtn");
ruleInstaller =
new CordVtnRuleInstaller(
appId,
flowRuleService,
deviceService,
driverService,
groupService,
mastershipService,
DEFAULT_TUNNEL);
arpProxy = new CordVtnArpProxy(appId, packetService);
packetService.addProcessor(packetProcessor, PacketProcessor.director(0));
arpProxy.requestPacket();
hostService.addListener(hostListener);
hostProvider = hostProviderRegistry.register(this);
configRegistry.registerConfigFactory(configFactory);
configService.addListener(configListener);
readConfiguration();
log.info("Started");
}
@Deactivate
public void deactivate() {
topologyService.removeListener(listener);
resourceManager.removeListener(linkResourceListener);
deviceService.removeListener(deviceListener);
hostService.removeListener(hostListener);
partitionService.removeListener(partitionListener);
log.info("Stopped");
}
@Activate
public void activate() {
topologyService.addListener(listener);
resourceManager.addListener(linkResourceListener);
deviceService.addListener(deviceListener);
hostService.addListener(hostListener);
partitionService.addListener(partitionListener);
log.info("Started");
}
private void handle(Ethernet eth) {
checkNotNull(eth);
if (!(eth.getEtherType() == EthType.EtherType.IPV4.ethType().toShort())) {
return;
}
IPv4 ipv4 = (IPv4) eth.getPayload().clone();
Ip4Address dstIp = Ip4Address.valueOf(ipv4.getDestinationAddress());
Interface egressInterface = interfaceService.getMatchingInterface(dstIp);
if (egressInterface == null) {
log.info("No egress interface found for {}", dstIp);
return;
}
Optional<Host> host =
hostService
.getHostsByIp(dstIp)
.stream()
.filter(h -> h.location().equals(egressInterface.connectPoint()))
.filter(h -> h.vlan().equals(egressInterface.vlan()))
.findAny();
if (host.isPresent()) {
transformAndSend(ipv4, egressInterface, host.get().mac());
} else {
hostService.startMonitoringIp(dstIp);
ipPacketCache
.asMap()
.compute(
dstIp,
(ip, queue) -> {
if (queue == null) {
queue = new ConcurrentLinkedQueue();
}
queue.add(ipv4);
return queue;
});
}
}
private void disable() {
packetService.removeProcessor(packetProcessor);
hostService.removeListener(hostListener);
TrafficSelector selector =
DefaultTrafficSelector.builder()
.matchEthType(EthType.EtherType.IPV4.ethType().toShort())
.build();
packetService.cancelPackets(selector, PacketPriority.REACTIVE, appId, Optional.empty());
}
private void enable() {
hostService.addListener(hostListener);
packetService.addProcessor(packetProcessor, PacketProcessor.director(3));
TrafficSelector selector =
DefaultTrafficSelector.builder()
.matchEthType(EthType.EtherType.IPV4.ethType().toShort())
.build();
packetService.requestPackets(selector, PacketPriority.REACTIVE, appId, Optional.empty());
}
@Override
public void removeServiceVm(ConnectPoint connectPoint) {
Host host = hostService.getConnectedHosts(connectPoint).stream().findFirst().orElse(null);
if (host == null) {
log.debug("No host is connected on {}", connectPoint.toString());
return;
}
hostProvider.hostVanished(host.id());
}
// Finds the host edge link if the element ID is a host id of an existing
// host. Otherwise, if the host does not exist, it returns null and if
// the element ID is not a host ID, returns NOT_HOST edge link.
private EdgeLink getEdgeLink(ElementId elementId, boolean isIngress) {
if (elementId instanceof HostId) {
// Resolve the host, return null.
Host host = hostService.getHost((HostId) elementId);
if (host == null) {
return null;
}
return new DefaultEdgeLink(PID, new ConnectPoint(elementId, P0), host.location(), isIngress);
}
return NOT_HOST;
}
@Deactivate
protected void deactivate() {
hostProviderRegistry.unregister(this);
hostService.removeListener(hostListener);
packetService.removeProcessor(packetProcessor);
configRegistry.unregisterConfigFactory(configFactory);
configService.removeListener(configListener);
eventExecutor.shutdown();
log.info("Stopped");
}
/**
* Returns hosts associated with a given OpenStack network.
*
* @param vNet openstack network
* @return set of hosts
*/
private Set<Host> getHostsWithOpenstackNetwork(OpenstackNetwork vNet) {
checkNotNull(vNet);
Set<Host> hosts =
openstackService
.ports(vNet.id())
.stream()
.filter(port -> port.deviceOwner().contains("compute"))
.map(
port ->
hostService.getHostsByMac(port.macAddress()).stream().findFirst().orElse(null))
.collect(Collectors.toSet());
hosts.remove(null);
return hosts;
}
/**
* Sets service network gateway MAC address and sends out gratuitous ARP to all VMs to update the
* gateway MAC address.
*
* @param mac mac address
*/
private void setServiceGatewayMac(MacAddress mac) {
if (mac != null && !mac.equals(gatewayMac)) {
gatewayMac = mac;
log.debug("Set service gateway MAC address to {}", gatewayMac.toString());
}
// TODO get existing service list from XOS and replace the loop below
Set<String> vNets = Sets.newHashSet();
hostService.getHosts().forEach(host -> vNets.add(host.annotations().value(SERVICE_ID)));
vNets.remove(null);
vNets
.stream()
.forEach(
vNet -> {
CordService service = getCordService(CordServiceId.of(vNet));
if (service != null) {
arpProxy.sendGratuitousArp(
service.serviceIp(), gatewayMac, service.hosts().keySet());
}
});
}
@Override
public void addServiceVm(CordVtnNode node, ConnectPoint connectPoint) {
Port port = deviceService.getPort(connectPoint.deviceId(), connectPoint.port());
OpenstackPort vPort = openstackService.port(port);
if (vPort == null) {
log.warn("Failed to get OpenstackPort for {}", getPortName(port));
return;
}
MacAddress mac = vPort.macAddress();
HostId hostId = HostId.hostId(mac);
Host host = hostService.getHost(hostId);
if (host != null) {
// Host is already known to the system, no HOST_ADDED event is triggered in this case.
// It happens when the application is restarted.
// TODO check host description if it has all the information
serviceVmAdded(host);
return;
}
Set<IpAddress> ip = Sets.newHashSet(vPort.fixedIps().values());
SparseAnnotations annotations =
DefaultAnnotations.builder()
.set(OPENSTACK_VM_ID, vPort.deviceId())
.set(SERVICE_ID, vPort.networkId())
.set(LOCATION_IP, node.localIp().toString())
.build();
HostDescription hostDesc =
new DefaultHostDescription(
mac,
VlanId.NONE,
new HostLocation(connectPoint, System.currentTimeMillis()),
ip,
annotations);
hostProvider.hostDetected(hostId, hostDesc, false);
}
private void updateForMode(String id) {
log.debug("host service: {}", hostService);
log.debug("device service: {}", deviceService);
try {
HostId hid = HostId.hostId(id);
log.debug("host id {}", hid);
elementOfNote = hostService.getHost(hid);
log.debug("host element {}", elementOfNote);
} catch (Exception e) {
try {
DeviceId did = DeviceId.deviceId(id);
log.debug("device id {}", did);
elementOfNote = deviceService.getDevice(did);
log.debug("device element {}", elementOfNote);
} catch (Exception e2) {
log.debug("Unable to process ID [{}]", id);
elementOfNote = null;
}
}
switch (currentMode) {
case MOUSE:
sendMouseData();
break;
case LINK:
sendLinkData();
break;
default:
break;
}
}