| /* |
| * Copyright 2015 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.incubator.net.intf.impl; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| 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.IpAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.incubator.net.config.basics.ConfigException; |
| import org.onosproject.incubator.net.config.basics.InterfaceConfig; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.incubator.net.intf.InterfaceAdminService; |
| import org.onosproject.incubator.net.intf.InterfaceService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import static java.util.stream.Collectors.collectingAndThen; |
| import static java.util.stream.Collectors.toSet; |
| |
| /** |
| * Manages the inventory of interfaces in the system. |
| */ |
| @Service |
| @Component(immediate = true) |
| public class InterfaceManager 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_UNARY) |
| protected NetworkConfigService configService; |
| |
| 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 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(set -> set.stream()) |
| .filter(intf -> intf.ipAddresses() |
| .stream() |
| .anyMatch(ia -> ia.ipAddress().equals(ip))) |
| .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| } |
| |
| @Override |
| public Interface getMatchingInterface(IpAddress ip) { |
| Optional<Interface> match = interfaces.values() |
| .stream() |
| .flatMap(set -> set.stream()) |
| .filter(intf -> intf.ipAddresses() |
| .stream() |
| .anyMatch(intfIp -> intfIp.subnetAddress().contains(ip))) |
| .findFirst(); |
| |
| if (match.isPresent()) { |
| return match.get(); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public Set<Interface> getInterfacesByVlan(VlanId vlan) { |
| return interfaces.values() |
| .stream() |
| .flatMap(set -> set.stream()) |
| .filter(intf -> intf.vlan().equals(vlan)) |
| .collect(collectingAndThen(toSet(), ImmutableSet::copyOf)); |
| } |
| |
| private void updateInterfaces(InterfaceConfig intfConfig) { |
| try { |
| interfaces.put(intfConfig.subject(), Sets.newHashSet(intfConfig.getInterfaces())); |
| } catch (ConfigException e) { |
| log.error("Error in interface config", e); |
| } |
| } |
| |
| private void removeInterfaces(ConnectPoint port) { |
| interfaces.remove(port); |
| } |
| |
| @Override |
| public void add(Interface intf) { |
| addInternal(intf); |
| |
| InterfaceConfig config = |
| configService.addConfig(intf.connectPoint(), CONFIG_CLASS); |
| |
| config.addInterface(intf); |
| |
| configService.applyConfig(intf.connectPoint(), CONFIG_CLASS, config.node()); |
| } |
| |
| private void addInternal(Interface intf) { |
| interfaces.compute(intf.connectPoint(), (cp, current) -> { |
| if (current == null) { |
| return Sets.newHashSet(intf); |
| } |
| |
| Iterator<Interface> it = current.iterator(); |
| while (it.hasNext()) { |
| Interface i = it.next(); |
| if (i.name().equals(intf.name())) { |
| it.remove(); |
| break; |
| } |
| } |
| |
| current.add(intf); |
| return current; |
| }); |
| } |
| |
| @Override |
| public boolean remove(ConnectPoint connectPoint, String name) { |
| boolean success = removeInternal(name, connectPoint); |
| |
| 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 success; |
| } |
| |
| public boolean removeInternal(String name, ConnectPoint connectPoint) { |
| AtomicBoolean removed = new AtomicBoolean(false); |
| |
| interfaces.compute(connectPoint, (cp, current) -> { |
| if (current == null) { |
| return null; |
| } |
| |
| Iterator<Interface> it = current.iterator(); |
| while (it.hasNext()) { |
| Interface i = it.next(); |
| if (i.name().equals(name)) { |
| it.remove(); |
| removed.set(true); |
| break; |
| } |
| } |
| |
| if (current.isEmpty()) { |
| return null; |
| } else { |
| return current; |
| } |
| }); |
| |
| return removed.get(); |
| } |
| |
| /** |
| * Listener for network config events. |
| */ |
| private class InternalConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| if (event.configClass() == InterfaceConfig.class) { |
| InterfaceConfig config = |
| configService.getConfig((ConnectPoint) event.subject(), InterfaceConfig.class); |
| updateInterfaces(config); |
| } |
| break; |
| case CONFIG_REMOVED: |
| if (event.configClass() == InterfaceConfig.class) { |
| removeInterfaces((ConnectPoint) event.subject()); |
| } |
| break; |
| case CONFIG_REGISTERED: |
| case CONFIG_UNREGISTERED: |
| default: |
| break; |
| } |
| } |
| } |
| } |