| /* |
| * Copyright 2017-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.reactive.routing; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.googlecode.concurrenttrees.radix.node.concrete.DefaultByteArrayNodeFactory; |
| import com.googlecode.concurrenttrees.radixinverted.ConcurrentInvertedRadixTree; |
| import com.googlecode.concurrenttrees.radixinverted.InvertedRadixTree; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.Ip6Address; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.ConnectPoint; |
| 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.config.NetworkConfigService; |
| import org.onosproject.net.config.basics.SubjectFactories; |
| import org.onosproject.net.intf.Interface; |
| import org.onosproject.net.intf.InterfaceService; |
| import org.onosproject.routing.RoutingService; |
| import org.onosproject.routing.config.BgpConfig; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.HashSet; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static org.onosproject.routeservice.RouteTools.createBinaryString; |
| |
| /** |
| * Reactive routing configuration manager. |
| */ |
| @Component(immediate = true, service = ReactiveRoutingConfigurationService.class) |
| public class ReactiveRoutingConfiguration implements |
| ReactiveRoutingConfigurationService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected NetworkConfigRegistry registry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected NetworkConfigService configService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected InterfaceService interfaceService; |
| |
| private Set<IpAddress> gatewayIpAddresses = new HashSet<>(); |
| private Set<ConnectPoint> bgpPeerConnectPoints = new HashSet<>(); |
| |
| private InvertedRadixTree<LocalIpPrefixEntry> |
| localPrefixTable4 = new ConcurrentInvertedRadixTree<>( |
| new DefaultByteArrayNodeFactory()); |
| private InvertedRadixTree<LocalIpPrefixEntry> |
| localPrefixTable6 = new ConcurrentInvertedRadixTree<>( |
| new DefaultByteArrayNodeFactory()); |
| |
| private MacAddress virtualGatewayMacAddress; |
| private final InternalNetworkConfigListener configListener = |
| new InternalNetworkConfigListener(); |
| |
| private ConfigFactory<ApplicationId, ReactiveRoutingConfig> |
| reactiveRoutingConfigFactory = |
| new ConfigFactory<ApplicationId, ReactiveRoutingConfig>( |
| SubjectFactories.APP_SUBJECT_FACTORY, |
| ReactiveRoutingConfig.class, "reactiveRouting") { |
| @Override |
| public ReactiveRoutingConfig createConfig() { |
| return new ReactiveRoutingConfig(); |
| } |
| }; |
| |
| @Activate |
| public void activate() { |
| configService.addListener(configListener); |
| registry.registerConfigFactory(reactiveRoutingConfigFactory); |
| setUpConfiguration(); |
| log.info("Reactive routing configuration service started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| registry.unregisterConfigFactory(reactiveRoutingConfigFactory); |
| configService.removeListener(configListener); |
| log.info("Reactive routing configuration service stopped"); |
| } |
| |
| /** |
| * Set up reactive routing information from configuration. |
| */ |
| private void setUpConfiguration() { |
| ReactiveRoutingConfig config = configService.getConfig( |
| coreService.registerApplication(ReactiveRoutingConfigurationService |
| .REACTIVE_ROUTING_APP_ID), |
| ReactiveRoutingConfigurationService.CONFIG_CLASS); |
| if (config == null) { |
| log.warn("No reactive routing config available!"); |
| return; |
| } |
| for (LocalIpPrefixEntry entry : config.localIp4PrefixEntries()) { |
| localPrefixTable4.put(createBinaryString(entry.ipPrefix()), entry); |
| gatewayIpAddresses.add(entry.getGatewayIpAddress()); |
| log.info("adding local IPv4 entry: {} {}", entry.ipPrefix(), entry.getGatewayIpAddress()); |
| } |
| for (LocalIpPrefixEntry entry : config.localIp6PrefixEntries()) { |
| localPrefixTable6.put(createBinaryString(entry.ipPrefix()), entry); |
| gatewayIpAddresses.add(entry.getGatewayIpAddress()); |
| log.info("adding local IPv6 entry: {} {}", entry.ipPrefix(), entry.getGatewayIpAddress()); |
| } |
| |
| virtualGatewayMacAddress = config.virtualGatewayMacAddress(); |
| log.info("virtual gateway MAC: {}", virtualGatewayMacAddress); |
| |
| // Setup BGP peer connect points |
| ApplicationId routerAppId = coreService.getAppId(RoutingService.ROUTER_APP_ID); |
| if (routerAppId == null) { |
| log.info("Router application ID is null!"); |
| return; |
| } |
| |
| BgpConfig bgpConfig = configService.getConfig(routerAppId, BgpConfig.class); |
| |
| if (bgpConfig == null) { |
| log.info("BGP config is null!"); |
| return; |
| } else { |
| bgpPeerConnectPoints = |
| bgpConfig.bgpSpeakers().stream() |
| .flatMap(speaker -> speaker.peers().stream()) |
| .map(peer -> interfaceService.getMatchingInterface(peer)) |
| .filter(Objects::nonNull) |
| .map(Interface::connectPoint) |
| .collect(Collectors.toSet()); |
| } |
| } |
| |
| @Override |
| public boolean isIpAddressLocal(IpAddress ipAddress) { |
| if (ipAddress.isIp4()) { |
| return localPrefixTable4.getValuesForKeysPrefixing( |
| createBinaryString( |
| IpPrefix.valueOf(ipAddress, Ip4Address.BIT_LENGTH))) |
| .iterator().hasNext(); |
| } else { |
| return localPrefixTable6.getValuesForKeysPrefixing( |
| createBinaryString( |
| IpPrefix.valueOf(ipAddress, Ip6Address.BIT_LENGTH))) |
| .iterator().hasNext(); |
| } |
| } |
| |
| @Override |
| public boolean isIpPrefixLocal(IpPrefix ipPrefix) { |
| return (localPrefixTable4.getValueForExactKey( |
| createBinaryString(ipPrefix)) != null || |
| localPrefixTable6.getValueForExactKey( |
| createBinaryString(ipPrefix)) != null); |
| } |
| |
| @Override |
| public boolean isVirtualGatewayIpAddress(IpAddress ipAddress) { |
| return gatewayIpAddresses.contains(ipAddress); |
| } |
| |
| @Override |
| public MacAddress getVirtualGatewayMacAddress() { |
| return virtualGatewayMacAddress; |
| } |
| |
| @Override |
| public Set<ConnectPoint> getBgpPeerConnectPoints() { |
| return ImmutableSet.copyOf(bgpPeerConnectPoints); |
| } |
| |
| private class InternalNetworkConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| switch (event.type()) { |
| case CONFIG_REGISTERED: |
| break; |
| case CONFIG_UNREGISTERED: |
| break; |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| case CONFIG_REMOVED: |
| if (event.configClass() == ReactiveRoutingConfigurationService.CONFIG_CLASS) { |
| setUpConfiguration(); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |