| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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.vpls.config.impl; |
| |
| import com.google.common.collect.HashMultimap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ImmutableSetMultimap; |
| import com.google.common.collect.SetMultimap; |
| 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.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.incubator.net.intf.InterfaceService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.ConfigFactory; |
| import org.onosproject.net.config.basics.SubjectFactories; |
| import org.onosproject.vpls.config.VplsConfig; |
| import org.onosproject.vpls.config.VplsNetworkConfig; |
| import org.onosproject.vpls.config.VplsConfigurationService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Implementation of VPLSConfigurationService which reads VPLS configuration |
| * from the network configuration service. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class VplsConfigurationImpl implements VplsConfigurationService { |
| private static final String VPLS_APP = "org.onosproject.vpls"; |
| private static final String VPLS = "vpls"; |
| private static final String EMPTY = ""; |
| private static final String CONFIG_NULL = "VPLS configuration not defined"; |
| private static final String APP_ID_NULL = "VPLS application ID is null"; |
| private static final String CONFIG_CHANGED = "VPLS configuration changed: {}"; |
| private static final String CHECK_CONFIG = |
| "Checking the interface configuration"; |
| private static final String NET_CONF_EVENT = |
| "Received NetworkConfigEvent {}"; |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry registry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected InterfaceService interfaceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigService configService; |
| |
| private final Set<String> vplsAffectedByApi = new HashSet<>(); |
| |
| private VplsConfig vplsConfig = new VplsConfig(); |
| |
| private SetMultimap<String, String> ifacesOfVpls = HashMultimap.create(); |
| private SetMultimap<String, String> oldIfacesOfVpls = HashMultimap.create(); |
| private SetMultimap<String, Interface> vplsNetworks = HashMultimap.create(); |
| |
| private final InternalNetworkConfigListener configListener = |
| new InternalNetworkConfigListener(); |
| |
| private ConfigFactory<ApplicationId, VplsConfig> vplsConfigFactory = |
| new ConfigFactory<ApplicationId, VplsConfig>( |
| SubjectFactories.APP_SUBJECT_FACTORY, VplsConfig.class, VPLS) { |
| @Override |
| public VplsConfig createConfig() { |
| return new VplsConfig(); |
| } |
| }; |
| |
| private ApplicationId vplsAppId; |
| |
| @Activate |
| protected void active() { |
| configService.addListener(configListener); |
| registry.registerConfigFactory(vplsConfigFactory); |
| loadConfiguration(); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactive() { |
| registry.unregisterConfigFactory(vplsConfigFactory); |
| configService.removeListener(configListener); |
| log.info("Stopped"); |
| } |
| |
| /** |
| * Retrieves the VPLS configuration from network configuration. |
| */ |
| private void loadConfiguration() { |
| loadAppId(); |
| |
| vplsConfig = configService.getConfig(vplsAppId, VplsConfig.class); |
| |
| if (vplsConfig == null) { |
| log.warn(CONFIG_NULL); |
| configService.addConfig(vplsAppId, VplsConfig.class); |
| return; |
| } |
| |
| oldIfacesOfVpls = ifacesOfVpls; |
| ifacesOfVpls = getConfigInterfaces(); |
| vplsNetworks = getConfigCPoints(); |
| log.debug(CONFIG_CHANGED, ifacesOfVpls); |
| } |
| |
| /** |
| * Retrieves the application identifier from core service. |
| */ |
| private void loadAppId() { |
| vplsAppId = coreService.getAppId(VPLS_APP); |
| if (vplsAppId == null) { |
| log.warn(APP_ID_NULL); |
| } |
| } |
| |
| /** |
| * Applies a given configuration to the VPLS application. |
| */ |
| private void applyConfig(VplsConfig vplsConfig) { |
| loadAppId(); |
| configService.applyConfig(vplsAppId, VplsConfig.class, vplsConfig.node()); |
| } |
| |
| /** |
| * Retrieves the VPLS names and associated interfaces names from the configuration. |
| * |
| * @return a map VPLS names and associated interface names |
| */ |
| private SetMultimap<String, String> getConfigInterfaces() { |
| SetMultimap<String, String> confIntfByVpls = |
| HashMultimap.create(); |
| |
| vplsConfig.vplsNetworks().forEach(vpls -> { |
| if (vpls.ifaces().isEmpty()) { |
| confIntfByVpls.put(vpls.name(), EMPTY); |
| } else { |
| vpls.ifaces().forEach(iface -> confIntfByVpls.put(vpls.name(), iface)); |
| } |
| }); |
| |
| return confIntfByVpls; |
| } |
| |
| /** |
| * Retrieves the VPLS names and associated interfaces from the configuration. |
| * |
| * @return a map VPLS names and associated interfaces |
| */ |
| private SetMultimap<String, Interface> getConfigCPoints() { |
| log.debug(CHECK_CONFIG); |
| |
| SetMultimap<String, Interface> confCPointsByIntf = |
| HashMultimap.create(); |
| |
| ifacesOfVpls.entries().forEach(vpls -> { |
| interfaceService.getInterfaces() |
| .stream() |
| .filter(intf -> intf.ipAddressesList().isEmpty()) |
| .filter(intf -> intf.name().equals(vpls.getValue())) |
| .forEach(intf -> confCPointsByIntf.put(vpls.getKey(), intf)); |
| }); |
| |
| return confCPointsByIntf; |
| } |
| |
| /** |
| * Listener for VPLS configuration events. |
| */ |
| private class InternalNetworkConfigListener implements NetworkConfigListener { |
| @Override |
| public void event(NetworkConfigEvent event) { |
| if (event.configClass() == VplsConfigurationService.CONFIG_CLASS) { |
| log.debug(NET_CONF_EVENT, event.configClass()); |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| case CONFIG_REMOVED: |
| loadConfiguration(); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void addVpls(String name, Set<String> ifaces) { |
| VplsNetworkConfig vpls; |
| |
| if (ifacesOfVpls.containsKey(name)) { |
| if (ifaces.isEmpty()) { |
| return; |
| } |
| |
| ifaces.forEach(iface -> |
| vplsConfig.addInterfaceToVpls(name, iface)); |
| } else { |
| vpls = new VplsNetworkConfig(name, ifaces); |
| vplsConfig.addVpls(vpls); |
| } |
| |
| vplsAffectedByApi.add(name); |
| applyConfig(vplsConfig); |
| } |
| |
| @Override |
| public void removeVpls(String name) { |
| if (ifacesOfVpls.containsKey(name)) { |
| vplsConfig.removeVpls(name); |
| vplsAffectedByApi.add(name); |
| applyConfig(vplsConfig); |
| } |
| } |
| |
| @Override |
| public void addInterfaceToVpls(String name, String iface) { |
| if (ifacesOfVpls.containsKey(name)) { |
| vplsConfig.addInterfaceToVpls(name, iface); |
| vplsAffectedByApi.add(name); |
| applyConfig(vplsConfig); |
| } |
| } |
| |
| @Override |
| public void removeInterfaceFromVpls(String iface) { |
| if (ifacesOfVpls.containsValue(iface)) { |
| VplsNetworkConfig vpls = vplsConfig.getVplsFromInterface(iface); |
| vplsConfig.removeInterfaceFromVpls(vpls, iface); |
| vplsAffectedByApi.add(vpls.name()); |
| applyConfig(vplsConfig); |
| } |
| } |
| |
| @Override |
| public void cleanVpls() { |
| ifacesOfVpls.entries().forEach(e -> { |
| vplsConfig.removeVpls(e.getKey()); |
| vplsAffectedByApi.add(e.getKey()); |
| }); |
| applyConfig(vplsConfig); |
| } |
| |
| @Override |
| public Set<String> getVplsAffectedByApi() { |
| Set<String> vplsNames = ImmutableSet.copyOf(vplsAffectedByApi); |
| |
| vplsAffectedByApi.clear(); |
| |
| return vplsNames; |
| } |
| |
| @Override |
| public Set<Interface> getAllInterfaces() { |
| Set<Interface> allInterfaces = new HashSet<>(); |
| vplsNetworks.values().forEach(allInterfaces::add); |
| |
| return allInterfaces; |
| } |
| |
| @Override |
| public Set<Interface> getVplsInterfaces(String name) { |
| Set<Interface> vplsInterfaces = new HashSet<>(); |
| vplsNetworks.get(name).forEach(vplsInterfaces::add); |
| |
| return vplsInterfaces; |
| } |
| |
| @Override |
| public Set<String> getAllVpls() { |
| return ifacesOfVpls.keySet(); |
| } |
| |
| @Override |
| public Set<String> getOldVpls() { |
| return oldIfacesOfVpls.keySet(); |
| } |
| |
| @Override |
| public SetMultimap<String, Interface> getVplsNetworks() { |
| return ImmutableSetMultimap.copyOf(vplsNetworks); |
| } |
| |
| @Override |
| public SetMultimap<String, Interface> getVplsNetwork(VlanId vlan, |
| ConnectPoint connectPoint) { |
| String vplsNetworkName = |
| vplsNetworks.entries().stream() |
| .filter(e -> e.getValue().connectPoint().equals(connectPoint)) |
| .filter(e -> e.getValue().vlan().equals(vlan)) |
| .map(e -> e.getKey()) |
| .findFirst() |
| .orElse(null); |
| SetMultimap<String, Interface> result = HashMultimap.create(); |
| if (vplsNetworkName != null && vplsNetworks.containsKey(vplsNetworkName)) { |
| vplsNetworks.get(vplsNetworkName) |
| .forEach(intf -> result.put(vplsNetworkName, intf)); |
| return result; |
| } |
| return null; |
| } |
| } |