| /* |
| * 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.artemis.impl; |
| |
| import com.google.common.collect.Sets; |
| import io.netty.channel.ChannelHandlerContext; |
| import org.json.JSONObject; |
| import org.onlab.packet.IpPrefix; |
| import org.onosproject.artemis.ArtemisMonitor; |
| import org.onosproject.artemis.ArtemisPacketProcessor; |
| import org.onosproject.artemis.impl.objects.ArtemisMessage; |
| import org.onosproject.event.EventDeliveryService; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigService; |
| 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.Map; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| @Component(immediate = true, service = ArtemisMonitor.class) |
| public class ArtemisMonitorImpl implements ArtemisMonitor { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| private static final Class<ArtemisConfig> CONFIG_CLASS = ArtemisConfig.class; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected EventDeliveryService eventDispatcher; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private NetworkConfigService configService; |
| |
| /* Variables */ |
| private Set<PrefixHandler> prefixHandlers = Sets.newHashSet(); |
| private InternalPacketProcessor packetProcessor = new InternalPacketProcessor(); |
| |
| private final InternalNetworkConfigListener configListener = |
| new InternalNetworkConfigListener(); |
| |
| @Activate |
| protected void activate() { |
| configService.addListener(configListener); |
| log.info("Artemis Monitor Service Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| configService.removeListener(configListener); |
| prefixHandlers.forEach(PrefixHandler::stopPrefixMonitors); |
| prefixHandlers.clear(); |
| |
| log.info("Artemis Monitor Service Stopped"); |
| } |
| |
| private class InternalPacketProcessor implements ArtemisPacketProcessor { |
| |
| @Override |
| public void processMoasPacket(ArtemisMessage msg, ChannelHandlerContext ctx) { |
| |
| } |
| |
| @Override |
| public void processMonitorPacket(JSONObject msg) { |
| // TODO: in future maybe store the BGP Update message and propagate it to the cluster instead of Events |
| eventDispatcher.post(new ArtemisEvent(ArtemisEvent.Type.BGPUPDATE_ADDED, msg)); |
| } |
| } |
| |
| private class InternalNetworkConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| switch (event.type()) { |
| case CONFIG_REGISTERED: |
| case CONFIG_UNREGISTERED: { |
| break; |
| } |
| case CONFIG_REMOVED: { |
| if (event.configClass() == CONFIG_CLASS) { |
| prefixHandlers.forEach(PrefixHandler::stopPrefixMonitors); |
| prefixHandlers.clear(); |
| } |
| break; |
| } |
| case CONFIG_UPDATED: |
| case CONFIG_ADDED: { |
| if (event.configClass() == CONFIG_CLASS) { |
| event.config().ifPresent(config -> { |
| ArtemisConfig artemisConfig = (ArtemisConfig) config; |
| Set<IpPrefix> ipPrefixes = artemisConfig.prefixesToMonitor(); |
| Map<String, Set<String>> monitors = artemisConfig.activeMonitors(); |
| |
| prefixHandlers.forEach(PrefixHandler::stopPrefixMonitors); |
| prefixHandlers.clear(); |
| prefixHandlers = ipPrefixes.stream() |
| .map(prefix -> new PrefixHandler(prefix, monitors, packetProcessor)) |
| .collect(Collectors.toSet()); |
| |
| prefixHandlers.forEach(PrefixHandler::startPrefixMonitors); |
| }); |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| } |
| } |