| /* |
| * Copyright 2015-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.net.intf.impl; |
| |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.config.BasicNetworkConfigService; |
| import org.onosproject.net.config.ConfigException; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.config.basics.InterfaceConfig; |
| import org.onosproject.net.intf.Interface; |
| import org.onosproject.net.intf.InterfaceAdminService; |
| import org.onosproject.net.intf.InterfaceEvent; |
| import org.onosproject.net.intf.InterfaceListener; |
| import org.onosproject.net.intf.InterfaceService; |
| 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.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import static java.util.stream.Collectors.collectingAndThen; |
| import static java.util.stream.Collectors.toSet; |
| |
| /** |
| * Manages the inventory of interfaces in the system. |
| */ |
| @Component(immediate = true, service = { InterfaceService.class, InterfaceAdminService.class }) |
| public class InterfaceManager extends ListenerRegistry<InterfaceEvent, InterfaceListener> |
| implements InterfaceService, InterfaceAdminService { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final Class<ConnectPoint> SUBJECT_CLASS = ConnectPoint.class; |
| private static final Class<InterfaceConfig> CONFIG_CLASS = InterfaceConfig.class; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected NetworkConfigService configService; |
| |
| //Dependency to ensure subject factories are properly initialized |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected BasicNetworkConfigService basicNetworkConfigService; |
| |
| private final InternalConfigListener listener = new InternalConfigListener(); |
| |
| private final Map<ConnectPoint, Set<Interface>> interfaces = Maps.newConcurrentMap(); |
| |
| @Activate |
| public void activate() { |
| configService.addListener(listener); |
| |
| // TODO address concurrency issues here |
| for (ConnectPoint subject : configService.getSubjects(SUBJECT_CLASS, CONFIG_CLASS)) { |
| InterfaceConfig config = configService.getConfig(subject, CONFIG_CLASS); |
| |
| if (config != null) { |
| updateInterfaces(config); |
| } |
| } |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| configService.removeListener(listener); |
| |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Set<Interface> getInterfaces() { |
| return interfaces.values() |
| .stream() |
| .flatMap(set -> set.stream()) |
| .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| } |
| |
| @Override |
| public Interface getInterfaceByName(ConnectPoint connectPoint, String name) { |
| Optional<Interface> intf = |
| interfaces.getOrDefault(connectPoint, Collections.emptySet()) |
| .stream() |
| .filter(i -> i.name().equals(name)) |
| .findAny(); |
| |
| return intf.orElse(null); |
| } |
| |
| @Override |
| public Set<Interface> getInterfacesByPort(ConnectPoint port) { |
| Set<Interface> intfs = interfaces.get(port); |
| if (intfs == null) { |
| return Collections.emptySet(); |
| } |
| return ImmutableSet.copyOf(intfs); |
| } |
| |
| @Override |
| public Set<Interface> getInterfacesByIp(IpAddress ip) { |
| return interfaces.values() |
| .stream() |
| .flatMap(Collection::stream) |
| .filter(intf -> intf.ipAddressesList() |
| .stream() |
| .anyMatch(ia -> ia.ipAddress().equals(ip))) |
| .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| } |
| |
| @Override |
| public Interface getMatchingInterface(IpAddress ip) { |
| return getMatchingInterfacesStream(ip).findFirst().orElse(null); |
| } |
| |
| @Override |
| public Set<Interface> getMatchingInterfaces(IpAddress ip) { |
| return getMatchingInterfacesStream(ip).collect(toSet()); |
| } |
| |
| private Stream<Interface> getMatchingInterfacesStream(IpAddress ip) { |
| return interfaces.values() |
| .stream() |
| .flatMap(Collection::stream) |
| .filter(intf -> intf.ipAddressesList() |
| .stream() |
| .anyMatch(intfIp -> intfIp.subnetAddress().contains(ip))); |
| } |
| |
| @Override |
| public Set<Interface> getInterfacesByVlan(VlanId vlan) { |
| return interfaces.values() |
| .stream() |
| .flatMap(Collection::stream) |
| .filter(intf -> intf.vlan().equals(vlan)) |
| .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| } |
| |
| /** |
| * Returns untagged VLAN configured on given connect point. |
| * <p> |
| * Only returns the first match if there are multiple untagged VLAN configured |
| * on the connect point. |
| * |
| * @param connectPoint connect point |
| * @return untagged VLAN or null if not configured |
| */ |
| @Override |
| public VlanId getUntaggedVlanId(ConnectPoint connectPoint) { |
| return getInterfacesByPort(connectPoint).stream() |
| .filter(intf -> !intf.vlanUntagged().equals(VlanId.NONE)) |
| .map(Interface::vlanUntagged) |
| .findFirst().orElse(null); |
| } |
| |
| /** |
| * Returns tagged VLAN configured on given connect point. |
| * <p> |
| * Returns all matches if there are multiple tagged VLAN configured |
| * on the connect point. |
| * |
| * @param connectPoint connect point |
| * @return tagged VLAN or empty set if not configured |
| */ |
| @Override |
| public Set<VlanId> getTaggedVlanId(ConnectPoint connectPoint) { |
| Set<Interface> interfaces = getInterfacesByPort(connectPoint); |
| return interfaces.stream() |
| .map(Interface::vlanTagged) |
| .flatMap(Set::stream) |
| .collect(Collectors.toSet()); |
| } |
| |
| /** |
| * Returns native VLAN configured on given connect point. |
| * <p> |
| * Only returns the first match if there are multiple native VLAN configured |
| * on the connect point. |
| * |
| * @param connectPoint connect point |
| * @return native VLAN or null if not configured |
| */ |
| @Override |
| public VlanId getNativeVlanId(ConnectPoint connectPoint) { |
| Set<Interface> interfaces = getInterfacesByPort(connectPoint); |
| return interfaces.stream() |
| .filter(intf -> !intf.vlanNative().equals(VlanId.NONE)) |
| .map(Interface::vlanNative) |
| .findFirst() |
| .orElse(null); |
| } |
| |
| @Override |
| public boolean isConfigured(ConnectPoint connectPoint) { |
| Set<Interface> intfs = interfaces.get(connectPoint); |
| if (intfs == null) { |
| return false; |
| } |
| for (Interface intf : intfs) { |
| if (!intf.ipAddressesList().isEmpty() || intf.vlan() != VlanId.NONE |
| || intf.vlanNative() != VlanId.NONE |
| || intf.vlanUntagged() != VlanId.NONE |
| || !intf.vlanTagged().isEmpty()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean inUse(VlanId vlanId) { |
| for (Set<Interface> intfs : interfaces.values()) { |
| for (Interface intf : intfs) { |
| if (intf.vlan().equals(vlanId) |
| || intf.vlanNative().equals(vlanId) |
| || intf.vlanUntagged().equals(vlanId) |
| || intf.vlanTagged().contains(vlanId)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private void updateInterfaces(InterfaceConfig intfConfig) { |
| try { |
| Set<Interface> old = interfaces.put(intfConfig.subject(), |
| Sets.newHashSet(intfConfig.getInterfaces())); |
| |
| if (old == null) { |
| old = Collections.emptySet(); |
| } |
| |
| for (Interface intf : intfConfig.getInterfaces()) { |
| if (intf.name().equals(Interface.NO_INTERFACE_NAME)) { |
| process(new InterfaceEvent(InterfaceEvent.Type.INTERFACE_ADDED, intf)); |
| } else { |
| Optional<Interface> oldIntf = findInterface(intf, old); |
| if (oldIntf.isPresent()) { |
| old.remove(oldIntf.get()); |
| if (!oldIntf.get().equals(intf)) { |
| process(new InterfaceEvent(InterfaceEvent.Type.INTERFACE_UPDATED, intf, oldIntf.get())); |
| } |
| } else { |
| process(new InterfaceEvent(InterfaceEvent.Type.INTERFACE_ADDED, intf)); |
| } |
| } |
| } |
| |
| for (Interface intf : old) { |
| if (!intf.name().equals(Interface.NO_INTERFACE_NAME)) { |
| process(new InterfaceEvent(InterfaceEvent.Type.INTERFACE_REMOVED, intf)); |
| } |
| } |
| } catch (ConfigException e) { |
| log.error("Error in interface config", e); |
| } |
| } |
| |
| private Optional<Interface> findInterface(Interface intf, Set<Interface> set) { |
| return set.stream().filter(i -> i.name().equals(intf.name())).findAny(); |
| } |
| |
| private void removeInterfaces(ConnectPoint port) { |
| Set<Interface> old = interfaces.remove(port); |
| |
| old.stream() |
| .filter(i -> !i.name().equals(Interface.NO_INTERFACE_NAME)) |
| .forEach(i -> process(new InterfaceEvent(InterfaceEvent.Type.INTERFACE_REMOVED, i))); |
| } |
| |
| @Override |
| public void add(Interface intf) { |
| InterfaceConfig config = |
| configService.addConfig(intf.connectPoint(), CONFIG_CLASS); |
| |
| config.addInterface(intf); |
| |
| configService.applyConfig(intf.connectPoint(), CONFIG_CLASS, config.node()); |
| } |
| |
| @Override |
| public boolean remove(ConnectPoint connectPoint, String name) { |
| InterfaceConfig config = configService.addConfig(connectPoint, CONFIG_CLASS); |
| config.removeInterface(name); |
| |
| try { |
| if (config.getInterfaces().isEmpty()) { |
| configService.removeConfig(connectPoint, CONFIG_CLASS); |
| } else { |
| configService.applyConfig(connectPoint, CONFIG_CLASS, config.node()); |
| } |
| } catch (ConfigException e) { |
| log.error("Error reading interfaces JSON", e); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Listener for network config events. |
| */ |
| private class InternalConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| if (event.configClass() == CONFIG_CLASS) { |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| event.config().ifPresent(config -> updateInterfaces((InterfaceConfig) config)); |
| break; |
| case CONFIG_REMOVED: |
| removeInterfaces((ConnectPoint) event.subject()); |
| break; |
| case CONFIG_REGISTERED: |
| case CONFIG_UNREGISTERED: |
| default: |
| break; |
| } |
| } |
| } |
| } |
| } |