| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.dhcprelay; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Dictionary; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Streams; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.ARP; |
| import org.onlab.packet.DHCP; |
| import org.onlab.packet.DHCP6; |
| import org.onlab.packet.IPacket; |
| import org.onlab.packet.IPv6; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IPv4; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.UDP; |
| import org.onlab.packet.VlanId; |
| import org.onlab.util.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.dhcprelay.api.DhcpHandler; |
| import org.onosproject.dhcprelay.api.DhcpRelayService; |
| import org.onosproject.dhcprelay.api.DhcpServerInfo; |
| import org.onosproject.dhcprelay.config.DefaultDhcpRelayConfig; |
| import org.onosproject.dhcprelay.config.DhcpServerConfig; |
| import org.onosproject.dhcprelay.config.EnableDhcpFpmConfig; |
| import org.onosproject.dhcprelay.config.IndirectDhcpRelayConfig; |
| import org.onosproject.dhcprelay.config.IgnoreDhcpConfig; |
| import org.onosproject.dhcprelay.store.DhcpRecord; |
| import org.onosproject.dhcprelay.store.DhcpRelayStore; |
| import org.onosproject.dhcprelay.store.DhcpFpmPrefixStore; |
| import org.onosproject.routing.fpm.api.FpmRecord; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.config.Config; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.intf.Interface; |
| import org.onosproject.net.intf.InterfaceService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.config.ConfigFactory; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.packet.DefaultOutboundPacket; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketContext; |
| import org.onosproject.net.packet.PacketPriority; |
| import org.onosproject.net.packet.PacketProcessor; |
| import org.onosproject.net.packet.PacketService; |
| |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import static org.onlab.util.Tools.groupedThreads; |
| |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY; |
| |
| /** |
| * DHCP Relay Agent Application Component. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class DhcpRelayManager implements DhcpRelayService { |
| public static final String DHCP_RELAY_APP = "org.onosproject.dhcprelay"; |
| public static final String ROUTE_STORE_IMPL = |
| "org.onosproject.routeservice.store.RouteStoreImpl"; |
| |
| private static final TrafficSelector ARP_SELECTOR = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_ARP) |
| .build(); |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| private final InternalConfigListener cfgListener = new InternalConfigListener(); |
| |
| private final Set<ConfigFactory> factories = ImmutableSet.of( |
| new ConfigFactory<ApplicationId, DefaultDhcpRelayConfig>(APP_SUBJECT_FACTORY, |
| DefaultDhcpRelayConfig.class, |
| DefaultDhcpRelayConfig.KEY, |
| true) { |
| @Override |
| public DefaultDhcpRelayConfig createConfig() { |
| return new DefaultDhcpRelayConfig(); |
| } |
| }, |
| new ConfigFactory<ApplicationId, IndirectDhcpRelayConfig>(APP_SUBJECT_FACTORY, |
| IndirectDhcpRelayConfig.class, |
| IndirectDhcpRelayConfig.KEY, |
| true) { |
| @Override |
| public IndirectDhcpRelayConfig createConfig() { |
| return new IndirectDhcpRelayConfig(); |
| } |
| }, |
| new ConfigFactory<ApplicationId, IgnoreDhcpConfig>(APP_SUBJECT_FACTORY, |
| IgnoreDhcpConfig.class, |
| IgnoreDhcpConfig.KEY, |
| true) { |
| @Override |
| public IgnoreDhcpConfig createConfig() { |
| return new IgnoreDhcpConfig(); |
| } |
| }, |
| new ConfigFactory<ApplicationId, EnableDhcpFpmConfig>(APP_SUBJECT_FACTORY, |
| EnableDhcpFpmConfig.class, |
| EnableDhcpFpmConfig.KEY, |
| false) { |
| @Override |
| public EnableDhcpFpmConfig createConfig() { |
| return new EnableDhcpFpmConfig(); |
| } |
| } |
| ); |
| |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry cfgService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PacketService packetService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected InterfaceService interfaceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DhcpRelayStore dhcpRelayStore; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService compCfgService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DhcpFpmPrefixStore dhcpFpmPrefixStore; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY, |
| target = "(version=4)") |
| protected DhcpHandler v4Handler; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY, |
| target = "(version=6)") |
| protected DhcpHandler v6Handler; |
| |
| @Property(name = "arpEnabled", boolValue = true, |
| label = "Enable Address resolution protocol") |
| protected boolean arpEnabled = true; |
| |
| @Property(name = "dhcpPollInterval", intValue = 24 * 3600, |
| label = "dhcp relay poll interval") |
| protected int dhcpPollInterval = 24 * 3600; |
| |
| @Property(name = "dhcpFpmEnabled", boolValue = false, |
| label = "Enable DhcpRelay Fpm") |
| protected boolean dhcpFpmEnabled = false; |
| |
| private ScheduledExecutorService timerExecutor; |
| |
| protected DeviceListener deviceListener = new InternalDeviceListener(); |
| private DhcpRelayPacketProcessor dhcpRelayPacketProcessor = new DhcpRelayPacketProcessor(); |
| private ApplicationId appId; |
| |
| /** |
| * One second timer. |
| */ |
| class Dhcp6Timer implements Runnable { |
| @Override |
| public void run() { |
| v6Handler.timeTick(); |
| } |
| }; |
| |
| @Activate |
| protected void activate(ComponentContext context) { |
| //start the dhcp relay agent |
| appId = coreService.registerApplication(DHCP_RELAY_APP); |
| |
| cfgService.addListener(cfgListener); |
| factories.forEach(cfgService::registerConfigFactory); |
| //update the dhcp server configuration. |
| updateConfig(); |
| |
| //add the packet processor |
| packetService.addProcessor(dhcpRelayPacketProcessor, PacketProcessor.director(0)); |
| |
| timerExecutor = Executors.newScheduledThreadPool(1, |
| groupedThreads("dhcpRelay", |
| "config-reloader-%d", log)); |
| timerExecutor.scheduleAtFixedRate(new Dhcp6Timer(), |
| 0, |
| dhcpPollInterval, |
| TimeUnit.SECONDS); |
| |
| modified(context); |
| |
| // Enable distribute route store |
| compCfgService.preSetProperty(ROUTE_STORE_IMPL, |
| "distributed", Boolean.TRUE.toString()); |
| compCfgService.registerProperties(getClass()); |
| |
| deviceService.addListener(deviceListener); |
| |
| |
| |
| log.info("DHCP-RELAY Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| cfgService.removeListener(cfgListener); |
| factories.forEach(cfgService::unregisterConfigFactory); |
| packetService.removeProcessor(dhcpRelayPacketProcessor); |
| cancelArpPackets(); |
| compCfgService.unregisterProperties(getClass(), false); |
| deviceService.removeListener(deviceListener); |
| timerExecutor.shutdown(); |
| |
| log.info("DHCP-RELAY Stopped"); |
| } |
| |
| @Modified |
| protected void modified(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| Boolean flag; |
| |
| flag = Tools.isPropertyEnabled(properties, "arpEnabled"); |
| if (flag != null) { |
| arpEnabled = flag; |
| log.info("Address resolution protocol is {}", |
| arpEnabled ? "enabled" : "disabled"); |
| } |
| |
| if (arpEnabled) { |
| requestArpPackets(); |
| } else { |
| cancelArpPackets(); |
| } |
| |
| int intervalVal = Tools.getIntegerProperty(properties, "dhcpPollInterval"); |
| log.info("DhcpRelay poll interval new {} old {}", intervalVal, dhcpPollInterval); |
| if (intervalVal != dhcpPollInterval) { |
| timerExecutor.shutdown(); |
| dhcpPollInterval = intervalVal; |
| timerExecutor = Executors.newScheduledThreadPool(1, |
| groupedThreads("dhcpRelay", |
| "config-reloader-%d", log)); |
| timerExecutor.scheduleAtFixedRate(new Dhcp6Timer(), |
| 0, |
| dhcpPollInterval > 1 ? dhcpPollInterval : 1, |
| TimeUnit.SECONDS); |
| v6Handler.setDhcp6PollInterval(dhcpPollInterval); |
| } |
| |
| flag = Tools.isPropertyEnabled(properties, "dhcpFpmEnabled"); |
| if (flag != null) { |
| boolean oldValue = dhcpFpmEnabled; |
| dhcpFpmEnabled = flag; |
| log.info("DhcpRelay FPM is {}", |
| dhcpFpmEnabled ? "enabled" : "disabled"); |
| |
| if (dhcpFpmEnabled && !oldValue) { |
| log.info("Dhcp Fpm is enabled."); |
| processDhcpFpmRoutes(true); |
| } |
| if (!dhcpFpmEnabled && oldValue) { |
| log.info("Dhcp Fpm is disabled."); |
| processDhcpFpmRoutes(false); |
| } |
| v6Handler.setDhcpFpmEnabled(dhcpFpmEnabled); |
| } |
| } |
| |
| private static List<TrafficSelector> buildClientDhcpSelectors() { |
| return Streams.concat(Dhcp4HandlerImpl.DHCP_SELECTORS.stream(), |
| Dhcp6HandlerImpl.DHCP_SELECTORS.stream()) |
| .collect(Collectors.toList()); |
| } |
| |
| /** |
| * Updates DHCP relay app configuration. |
| */ |
| private void updateConfig() { |
| DefaultDhcpRelayConfig defaultConfig = |
| cfgService.getConfig(appId, DefaultDhcpRelayConfig.class); |
| IndirectDhcpRelayConfig indirectConfig = |
| cfgService.getConfig(appId, IndirectDhcpRelayConfig.class); |
| IgnoreDhcpConfig ignoreDhcpConfig = |
| cfgService.getConfig(appId, IgnoreDhcpConfig.class); |
| |
| if (defaultConfig != null) { |
| updateConfig(defaultConfig); |
| } |
| if (indirectConfig != null) { |
| updateConfig(indirectConfig); |
| } |
| if (ignoreDhcpConfig != null) { |
| updateConfig(ignoreDhcpConfig); |
| } |
| } |
| |
| /** |
| * Updates DHCP relay app configuration with given configuration. |
| * |
| * @param config the configuration ot update |
| */ |
| protected void updateConfig(Config config) { |
| if (config instanceof IndirectDhcpRelayConfig) { |
| IndirectDhcpRelayConfig indirectConfig = (IndirectDhcpRelayConfig) config; |
| v4Handler.setIndirectDhcpServerConfigs(indirectConfig.dhcpServerConfigs()); |
| v6Handler.setIndirectDhcpServerConfigs(indirectConfig.dhcpServerConfigs()); |
| } else if (config instanceof DefaultDhcpRelayConfig) { |
| DefaultDhcpRelayConfig defaultConfig = (DefaultDhcpRelayConfig) config; |
| v4Handler.setDefaultDhcpServerConfigs(defaultConfig.dhcpServerConfigs()); |
| v6Handler.setDefaultDhcpServerConfigs(defaultConfig.dhcpServerConfigs()); |
| } |
| if (config instanceof IgnoreDhcpConfig) { |
| v4Handler.updateIgnoreVlanConfig((IgnoreDhcpConfig) config); |
| v6Handler.updateIgnoreVlanConfig((IgnoreDhcpConfig) config); |
| } |
| } |
| |
| protected void removeConfig(Config config) { |
| if (config instanceof IndirectDhcpRelayConfig) { |
| v4Handler.setIndirectDhcpServerConfigs(Collections.emptyList()); |
| v6Handler.setIndirectDhcpServerConfigs(Collections.emptyList()); |
| } else if (config instanceof DefaultDhcpRelayConfig) { |
| v4Handler.setDefaultDhcpServerConfigs(Collections.emptyList()); |
| v6Handler.setDefaultDhcpServerConfigs(Collections.emptyList()); |
| } |
| if (config instanceof IgnoreDhcpConfig) { |
| v4Handler.updateIgnoreVlanConfig(null); |
| v6Handler.updateIgnoreVlanConfig(null); |
| } |
| } |
| |
| private void processDhcpFpmRoutes(Boolean add) { |
| // needs to restore/remove fpm |
| } |
| |
| public boolean isDhcpFpmEnabled() { |
| return dhcpFpmEnabled; |
| } |
| |
| /** |
| * Request ARP packet in via PacketService. |
| */ |
| private void requestArpPackets() { |
| packetService.requestPackets(ARP_SELECTOR, PacketPriority.CONTROL, appId); |
| } |
| |
| /** |
| * Cancel requested ARP packets in via packet service. |
| */ |
| private void cancelArpPackets() { |
| packetService.cancelPackets(ARP_SELECTOR, PacketPriority.CONTROL, appId); |
| } |
| |
| @Override |
| public Optional<DhcpRecord> getDhcpRecord(HostId hostId) { |
| return dhcpRelayStore.getDhcpRecord(hostId); |
| } |
| |
| @Override |
| public Collection<DhcpRecord> getDhcpRecords() { |
| return dhcpRelayStore.getDhcpRecords(); |
| } |
| @Override |
| public void updateDhcpRecord(HostId hostId, DhcpRecord dhcpRecord) { |
| dhcpRelayStore.updateDhcpRecord(hostId, dhcpRecord); |
| } |
| @Override |
| public Optional<MacAddress> getDhcpServerMacAddress() { |
| // TODO: depreated it |
| DefaultDhcpRelayConfig config = cfgService.getConfig(appId, DefaultDhcpRelayConfig.class); |
| DhcpServerConfig serverConfig = config.dhcpServerConfigs().get(0); |
| Ip4Address serverip = serverConfig.getDhcpServerIp4().get(); |
| return hostService.getHostsByIp(serverip) |
| .stream() |
| .map(Host::mac) |
| .findFirst(); |
| } |
| |
| @Override |
| public List<DhcpServerInfo> getDefaultDhcpServerInfoList() { |
| return ImmutableList.<DhcpServerInfo>builder() |
| .addAll(v4Handler.getDefaultDhcpServerInfoList()) |
| .addAll(v6Handler.getDefaultDhcpServerInfoList()) |
| .build(); |
| } |
| |
| @Override |
| public List<DhcpServerInfo> getIndirectDhcpServerInfoList() { |
| return ImmutableList.<DhcpServerInfo>builder() |
| .addAll(v4Handler.getIndirectDhcpServerInfoList()) |
| .addAll(v6Handler.getIndirectDhcpServerInfoList()) |
| .build(); |
| } |
| |
| /** |
| * Gets DHCP data from a packet. |
| * |
| * @param packet the packet |
| * @return the DHCP data; empty if it is not a DHCP packet |
| */ |
| private Optional<DHCP> findDhcp(Ethernet packet) { |
| return Stream.of(packet) |
| .filter(Objects::nonNull) |
| .map(Ethernet::getPayload) |
| .filter(p -> p instanceof IPv4) |
| .map(IPacket::getPayload) |
| .filter(Objects::nonNull) |
| .filter(p -> p instanceof UDP) |
| .map(IPacket::getPayload) |
| .filter(Objects::nonNull) |
| .filter(p -> p instanceof DHCP) |
| .map(p -> (DHCP) p) |
| .findFirst(); |
| } |
| |
| /** |
| * Gets DHCPv6 data from a packet. |
| * |
| * @param packet the packet |
| * @return the DHCPv6 data; empty if it is not a DHCPv6 packet |
| */ |
| private Optional<DHCP6> findDhcp6(Ethernet packet) { |
| return Stream.of(packet) |
| .filter(Objects::nonNull) |
| .map(Ethernet::getPayload) |
| .filter(p -> p instanceof IPv6) |
| .map(IPacket::getPayload) |
| .filter(Objects::nonNull) |
| .filter(p -> p instanceof UDP) |
| .map(IPacket::getPayload) |
| .filter(Objects::nonNull) |
| .filter(p -> p instanceof DHCP6) |
| .map(p -> (DHCP6) p) |
| .findFirst(); |
| } |
| |
| |
| private class DhcpRelayPacketProcessor implements PacketProcessor { |
| |
| @Override |
| public void process(PacketContext context) { |
| // process the packet and get the payload |
| Ethernet packet = context.inPacket().parsed(); |
| if (packet == null) { |
| return; |
| } |
| |
| findDhcp(packet).ifPresent(dhcpPayload -> { |
| v4Handler.processDhcpPacket(context, dhcpPayload); |
| }); |
| |
| findDhcp6(packet).ifPresent(dhcp6Payload -> { |
| v6Handler.processDhcpPacket(context, dhcp6Payload); |
| }); |
| |
| if (packet.getEtherType() == Ethernet.TYPE_ARP && arpEnabled) { |
| ARP arpPacket = (ARP) packet.getPayload(); |
| VlanId vlanId = VlanId.vlanId(packet.getVlanID()); |
| Set<Interface> interfaces = interfaceService. |
| getInterfacesByPort(context.inPacket().receivedFrom()); |
| //ignore the packets if dhcp server interface is not configured on onos. |
| if (interfaces.isEmpty()) { |
| log.warn("server virtual interface not configured"); |
| return; |
| } |
| if ((arpPacket.getOpCode() != ARP.OP_REQUEST)) { |
| // handle request only |
| return; |
| } |
| MacAddress interfaceMac = interfaces.stream() |
| .filter(iface -> iface.vlan().equals(vlanId)) |
| .map(Interface::mac) |
| .filter(mac -> !mac.equals(MacAddress.NONE)) |
| .findFirst() |
| .orElse(MacAddress.ONOS); |
| if (interfaceMac == null) { |
| // can't find interface mac address |
| return; |
| } |
| processArpPacket(context, packet, interfaceMac); |
| } |
| } |
| |
| /** |
| * Processes the ARP Payload and initiates a reply to the client. |
| * |
| * @param context the packet context |
| * @param packet the ethernet payload |
| * @param replyMac mac address to be replied |
| */ |
| private void processArpPacket(PacketContext context, Ethernet packet, MacAddress replyMac) { |
| ARP arpPacket = (ARP) packet.getPayload(); |
| ARP arpReply = arpPacket.duplicate(); |
| arpReply.setOpCode(ARP.OP_REPLY); |
| |
| arpReply.setTargetProtocolAddress(arpPacket.getSenderProtocolAddress()); |
| arpReply.setTargetHardwareAddress(arpPacket.getSenderHardwareAddress()); |
| arpReply.setSenderProtocolAddress(arpPacket.getTargetProtocolAddress()); |
| arpReply.setSenderHardwareAddress(replyMac.toBytes()); |
| |
| // Ethernet Frame. |
| Ethernet ethReply = new Ethernet(); |
| ethReply.setSourceMACAddress(replyMac.toBytes()); |
| ethReply.setDestinationMACAddress(packet.getSourceMAC()); |
| ethReply.setEtherType(Ethernet.TYPE_ARP); |
| ethReply.setVlanID(packet.getVlanID()); |
| ethReply.setPayload(arpReply); |
| |
| ConnectPoint targetPort = context.inPacket().receivedFrom(); |
| TrafficTreatment t = DefaultTrafficTreatment.builder() |
| .setOutput(targetPort.port()).build(); |
| OutboundPacket o = new DefaultOutboundPacket( |
| targetPort.deviceId(), t, ByteBuffer.wrap(ethReply.serialize())); |
| if (log.isTraceEnabled()) { |
| log.trace("Relaying ARP packet {} to {}", packet, targetPort); |
| } |
| packetService.emit(o); |
| } |
| } |
| |
| /** |
| * Listener for network config events. |
| */ |
| private class InternalConfigListener implements NetworkConfigListener { |
| @Override |
| public void event(NetworkConfigEvent event) { |
| switch (event.type()) { |
| case CONFIG_UPDATED: |
| case CONFIG_ADDED: |
| event.config().ifPresent(config -> { |
| updateConfig(config); |
| log.info("{} updated", config.getClass().getSimpleName()); |
| }); |
| break; |
| case CONFIG_REMOVED: |
| event.prevConfig().ifPresent(config -> { |
| removeConfig(config); |
| log.info("{} removed", config.getClass().getSimpleName()); |
| }); |
| break; |
| case CONFIG_REGISTERED: |
| case CONFIG_UNREGISTERED: |
| break; |
| default: |
| log.warn("Unsupported event type {}", event.type()); |
| break; |
| } |
| } |
| |
| @Override |
| public boolean isRelevant(NetworkConfigEvent event) { |
| if (event.configClass().equals(DefaultDhcpRelayConfig.class) || |
| event.configClass().equals(IndirectDhcpRelayConfig.class) || |
| event.configClass().equals(IgnoreDhcpConfig.class)) { |
| return true; |
| } |
| log.debug("Ignore irrelevant event class {}", event.configClass().getName()); |
| return false; |
| } |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| |
| @Override |
| public void event(DeviceEvent event) { |
| Device device = event.subject(); |
| switch (event.type()) { |
| case DEVICE_ADDED: |
| updateIgnoreVlanConfigs(); |
| break; |
| case DEVICE_AVAILABILITY_CHANGED: |
| deviceAvailabilityChanged(device); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private void deviceAvailabilityChanged(Device device) { |
| if (deviceService.isAvailable(device.id())) { |
| updateIgnoreVlanConfigs(); |
| } else { |
| removeIgnoreVlanState(); |
| } |
| } |
| |
| private void updateIgnoreVlanConfigs() { |
| IgnoreDhcpConfig config = cfgService.getConfig(appId, IgnoreDhcpConfig.class); |
| v4Handler.updateIgnoreVlanConfig(config); |
| v6Handler.updateIgnoreVlanConfig(config); |
| } |
| |
| private void removeIgnoreVlanState() { |
| IgnoreDhcpConfig config = cfgService.getConfig(appId, IgnoreDhcpConfig.class); |
| v4Handler.removeIgnoreVlanState(config); |
| v6Handler.removeIgnoreVlanState(config); |
| } |
| } |
| |
| |
| |
| public Optional<FpmRecord> getFpmRecord(IpPrefix prefix) { |
| return dhcpFpmPrefixStore.getFpmRecord(prefix); |
| } |
| |
| public Collection<FpmRecord> getFpmRecords() { |
| return dhcpFpmPrefixStore.getFpmRecords(); |
| } |
| |
| @Override |
| public void addFpmRecord(IpPrefix prefix, FpmRecord fpmRecord) { |
| dhcpFpmPrefixStore.addFpmRecord(prefix, fpmRecord); |
| } |
| |
| @Override |
| public Optional<FpmRecord> removeFpmRecord(IpPrefix prefix) { |
| return dhcpFpmPrefixStore.removeFpmRecord(prefix); |
| } |
| |
| |
| } |