| /* |
| * Copyright 2014-2015 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.sdnip; |
| |
| 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.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.LeadershipEvent; |
| import org.onosproject.cluster.LeadershipEventListener; |
| import org.onosproject.cluster.LeadershipService; |
| import org.onosproject.config.NetworkConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.intent.IntentService; |
| import org.onosproject.routing.RoutingService; |
| import org.onosproject.routing.config.RoutingConfigurationService; |
| import org.slf4j.Logger; |
| |
| import java.util.Objects; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Component for the SDN-IP peering application. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class SdnIp implements SdnIpService { |
| |
| private static final String SDN_IP_APP = "org.onosproject.sdnip"; |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentService intentService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected RoutingService routingService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected RoutingConfigurationService config; |
| |
| // |
| // NOTE: Unused reference - needed to guarantee that the |
| // NetworkConfigReader component is activated and the network configuration |
| // is read. |
| // |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigService networkConfigService; |
| |
| private IntentSynchronizer intentSynchronizer; |
| private PeerConnectivityManager peerConnectivity; |
| |
| private LeadershipEventListener leadershipEventListener = |
| new InnerLeadershipEventListener(); |
| private ApplicationId appId; |
| private ControllerNode localControllerNode; |
| |
| @Activate |
| protected void activate() { |
| log.info("SDN-IP started"); |
| |
| appId = coreService.registerApplication(SDN_IP_APP); |
| |
| localControllerNode = clusterService.getLocalNode(); |
| |
| intentSynchronizer = new IntentSynchronizer(appId, intentService, |
| hostService, |
| config); |
| intentSynchronizer.start(); |
| |
| peerConnectivity = new PeerConnectivityManager(appId, |
| intentSynchronizer, |
| config); |
| peerConnectivity.start(); |
| |
| routingService.addFibListener(intentSynchronizer); |
| routingService.addIntentRequestListener(intentSynchronizer); |
| routingService.start(); |
| |
| leadershipService.addListener(leadershipEventListener); |
| leadershipService.runForLeadership(appId.name()); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| routingService.stop(); |
| peerConnectivity.stop(); |
| intentSynchronizer.stop(); |
| |
| leadershipService.withdraw(appId.name()); |
| leadershipService.removeListener(leadershipEventListener); |
| |
| log.info("SDN-IP Stopped"); |
| } |
| |
| @Override |
| public void modifyPrimary(boolean isPrimary) { |
| intentSynchronizer.leaderChanged(isPrimary); |
| } |
| |
| /** |
| * Converts DPIDs of the form xx:xx:xx:xx:xx:xx:xx to OpenFlow provider |
| * device URIs. |
| * |
| * @param dpid the DPID string to convert |
| * @return the URI string for this device |
| */ |
| static String dpidToUri(String dpid) { |
| return "of:" + dpid.replace(":", ""); |
| } |
| |
| /** |
| * A listener for Leadership Events. |
| */ |
| private class InnerLeadershipEventListener |
| implements LeadershipEventListener { |
| |
| @Override |
| public void event(LeadershipEvent event) { |
| log.debug("Leadership Event: time = {} type = {} event = {}", |
| event.time(), event.type(), event); |
| |
| if (!event.subject().topic().equals(appId.name())) { |
| return; // Not our topic: ignore |
| } |
| if (!Objects.equals(event.subject().leader(), localControllerNode.id())) { |
| return; // The event is not about this instance: ignore |
| } |
| |
| switch (event.type()) { |
| case LEADER_ELECTED: |
| log.info("SDN-IP Leader Elected"); |
| intentSynchronizer.leaderChanged(true); |
| break; |
| case LEADER_BOOTED: |
| log.info("SDN-IP Leader Lost Election"); |
| intentSynchronizer.leaderChanged(false); |
| break; |
| case LEADER_REELECTED: |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |