diff options
Diffstat (limited to 'framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/floatingip/impl/FloatingIpManager.java')
| -rw-r--r-- | framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/floatingip/impl/FloatingIpManager.java | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/floatingip/impl/FloatingIpManager.java b/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/floatingip/impl/FloatingIpManager.java new file mode 100644 index 00000000..9f944da1 --- /dev/null +++ b/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/floatingip/impl/FloatingIpManager.java @@ -0,0 +1,348 @@ +/* + * 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.vtnrsc.floatingip.impl; + +import static com.google.common.base.Preconditions.checkNotNull; +import static org.slf4j.LoggerFactory.getLogger; + +import java.util.Collection; +import java.util.Collections; +import java.util.Set; + +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.util.KryoNamespace; +import org.onosproject.core.ApplicationId; +import org.onosproject.core.CoreService; +import org.onosproject.store.serializers.KryoNamespaces; +import org.onosproject.store.service.EventuallyConsistentMap; +import org.onosproject.store.service.EventuallyConsistentMapEvent; +import org.onosproject.store.service.EventuallyConsistentMapListener; +import org.onosproject.store.service.StorageService; +import org.onosproject.store.service.WallClockTimestamp; +import org.onosproject.vtnrsc.DefaultFloatingIp; +import org.onosproject.vtnrsc.FloatingIp; +import org.onosproject.vtnrsc.FloatingIpId; +import org.onosproject.vtnrsc.TenantId; +import org.onosproject.vtnrsc.TenantNetworkId; +import org.onosproject.vtnrsc.VirtualPortId; +import org.onosproject.vtnrsc.RouterId; +import org.onosproject.vtnrsc.floatingip.FloatingIpEvent; +import org.onosproject.vtnrsc.floatingip.FloatingIpListener; +import org.onosproject.vtnrsc.floatingip.FloatingIpService; +import org.onosproject.vtnrsc.router.RouterService; +import org.onosproject.vtnrsc.tenantnetwork.TenantNetworkService; +import org.onosproject.vtnrsc.virtualport.VirtualPortService; +import org.slf4j.Logger; + +import com.google.common.collect.Sets; + +/** + * Provides implementation of the FloatingIp service. + */ +@Component(immediate = true) +@Service +public class FloatingIpManager implements FloatingIpService { + private static final String FLOATINGIP_ID_NOT_NULL = "Floatingip ID cannot be null"; + private static final String FLOATINGIP_NOT_NULL = "Floatingip cannot be null"; + private static final String FLOATINGIP = "vtn-floatingip-store"; + private static final String VTNRSC_APP = "org.onosproject.vtnrsc"; + private static final String LISTENER_NOT_NULL = "Listener cannot be null"; + private static final String EVENT_NOT_NULL = "event cannot be null"; + + private final Logger log = getLogger(getClass()); + private final Set<FloatingIpListener> listeners = Sets + .newCopyOnWriteArraySet(); + private EventuallyConsistentMapListener<FloatingIpId, FloatingIp> floatingIpListener = + new InnerFloatingIpStoreListener(); + protected EventuallyConsistentMap<FloatingIpId, FloatingIp> floatingIpStore; + protected ApplicationId appId; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected StorageService storageService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected CoreService coreService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected TenantNetworkService tenantNetworkService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected VirtualPortService virtualPortService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected RouterService routerService; + + @Activate + public void activate() { + appId = coreService.registerApplication(VTNRSC_APP); + KryoNamespace.Builder serializer = KryoNamespace + .newBuilder() + .register(KryoNamespaces.API) + .register(FloatingIp.class, FloatingIpId.class, + TenantNetworkId.class, TenantId.class, + FloatingIp.Status.class, RouterId.class, + VirtualPortId.class, DefaultFloatingIp.class); + floatingIpStore = storageService + .<FloatingIpId, FloatingIp>eventuallyConsistentMapBuilder() + .withName(FLOATINGIP).withSerializer(serializer) + .withTimestampProvider((k, v) -> new WallClockTimestamp()) + .build(); + floatingIpStore.addListener(floatingIpListener); + log.info("Started"); + } + + @Deactivate + public void deactivate() { + floatingIpStore.removeListener(floatingIpListener); + floatingIpStore.destroy(); + listeners.clear(); + log.info("Stopped"); + } + + @Override + public Collection<FloatingIp> getFloatingIps() { + return Collections.unmodifiableCollection(floatingIpStore.values()); + } + + @Override + public FloatingIp getFloatingIp(FloatingIpId floatingIpId) { + checkNotNull(floatingIpId, FLOATINGIP_ID_NOT_NULL); + return floatingIpStore.get(floatingIpId); + } + + @Override + public boolean exists(FloatingIpId floatingIpId) { + checkNotNull(floatingIpId, FLOATINGIP_ID_NOT_NULL); + return floatingIpStore.containsKey(floatingIpId); + } + + @Override + public boolean floatingIpIsUsed(IpAddress floatingIpAddr, + FloatingIpId floatingIpId) { + checkNotNull(floatingIpAddr, "Floating IP address cannot be null"); + checkNotNull(floatingIpId, "Floating IP Id cannot be null"); + Collection<FloatingIp> floatingIps = getFloatingIps(); + for (FloatingIp floatingIp : floatingIps) { + if (floatingIp.floatingIp().equals(floatingIpAddr) + && !floatingIp.id().equals(floatingIpId)) { + return true; + } + } + return false; + } + + @Override + public boolean fixedIpIsUsed(IpAddress fixedIpAddr, TenantId tenantId, + FloatingIpId floatingIpId) { + checkNotNull(fixedIpAddr, "Fixed IP address cannot be null"); + checkNotNull(tenantId, "Tenant Id cannot be null"); + checkNotNull(floatingIpId, "Floating IP Id cannot be null"); + Collection<FloatingIp> floatingIps = getFloatingIps(); + for (FloatingIp floatingIp : floatingIps) { + IpAddress fixedIp = floatingIp.fixedIp(); + if (fixedIp != null) { + if (fixedIp.equals(fixedIpAddr) + && floatingIp.tenantId().equals(tenantId) + && !floatingIp.id().equals(floatingIpId)) { + return true; + } + } + } + return false; + } + + @Override + public boolean createFloatingIps(Collection<FloatingIp> floatingIps) { + checkNotNull(floatingIps, FLOATINGIP_NOT_NULL); + boolean result = true; + for (FloatingIp floatingIp : floatingIps) { + verifyFloatingIpData(floatingIp); + if (floatingIp.portId() != null) { + floatingIpStore.put(floatingIp.id(), floatingIp); + if (!floatingIpStore.containsKey(floatingIp.id())) { + log.debug("The floating Ip is created failed whose identifier is {}", + floatingIp.id().toString()); + result = false; + } + } else { + FloatingIp oldFloatingIp = floatingIpStore.get(floatingIp.id()); + if (oldFloatingIp != null) { + floatingIpStore.remove(floatingIp.id(), oldFloatingIp); + if (floatingIpStore.containsKey(floatingIp.id())) { + log.debug("The floating Ip is created failed whose identifier is {}", + floatingIp.id().toString()); + result = false; + } + } + } + } + return result; + } + + @Override + public boolean updateFloatingIps(Collection<FloatingIp> floatingIps) { + checkNotNull(floatingIps, FLOATINGIP_NOT_NULL); + boolean result = true; + if (floatingIps != null) { + for (FloatingIp floatingIp : floatingIps) { + verifyFloatingIpData(floatingIp); + if (floatingIp.portId() != null) { + floatingIpStore.put(floatingIp.id(), floatingIp); + if (!floatingIpStore.containsKey(floatingIp.id())) { + log.debug("The floating Ip is updated failed whose identifier is {}", + floatingIp.id().toString()); + result = false; + } + } else { + FloatingIp oldFloatingIp = floatingIpStore.get(floatingIp + .id()); + if (oldFloatingIp != null) { + floatingIpStore.remove(floatingIp.id(), oldFloatingIp); + if (floatingIpStore.containsKey(floatingIp.id())) { + log.debug("The floating Ip is updated failed whose identifier is {}", + floatingIp.id().toString()); + result = false; + } + } + } + } + } + return result; + } + + @Override + public boolean removeFloatingIps(Collection<FloatingIpId> floatingIpIds) { + checkNotNull(floatingIpIds, FLOATINGIP_ID_NOT_NULL); + boolean result = true; + if (floatingIpIds != null) { + for (FloatingIpId floatingIpId : floatingIpIds) { + if (!floatingIpStore.containsKey(floatingIpId)) { + log.debug("The floatingIp is not exist whose identifier is {}", + floatingIpId.toString()); + throw new IllegalArgumentException( + "FloatingIP ID doesn't exist"); + } + FloatingIp floatingIp = floatingIpStore.get(floatingIpId); + floatingIpStore.remove(floatingIpId, floatingIp); + if (floatingIpStore.containsKey(floatingIpId)) { + log.debug("The floating Ip is deleted failed whose identifier is {}", + floatingIpId.toString()); + result = false; + } + } + } + return result; + } + + @Override + public void addListener(FloatingIpListener listener) { + checkNotNull(listener, LISTENER_NOT_NULL); + listeners.add(listener); + } + + @Override + public void removeListener(FloatingIpListener listener) { + checkNotNull(listener, LISTENER_NOT_NULL); + listeners.add(listener); + } + + /** + * Verifies validity of FloatingIp data. + * + * @param floatingIps floatingIp instance + */ + private void verifyFloatingIpData(FloatingIp floatingIps) { + checkNotNull(floatingIps, FLOATINGIP_NOT_NULL); + if (!tenantNetworkService.exists(floatingIps.networkId())) { + log.debug("The network identifier {} that the floating Ip {} create for is not exist", + floatingIps.networkId().toString(), floatingIps.id() + .toString()); + throw new IllegalArgumentException( + "Floating network ID doesn't exist"); + } + + VirtualPortId portId = floatingIps.portId(); + if (portId != null && !virtualPortService.exists(portId)) { + log.debug("The port identifier {} that the floating Ip {} create for is not exist", + floatingIps.portId().toString(), floatingIps.id() + .toString()); + throw new IllegalArgumentException("Port ID doesn't exist"); + } + + RouterId routerId = floatingIps.routerId(); + if (routerId != null && !routerService.exists(routerId)) { + log.debug("The router identifier {} that the floating Ip {} create for is not exist", + floatingIps.routerId().toString(), floatingIps.id() + .toString()); + throw new IllegalArgumentException("Router ID doesn't exist"); + } + + if (floatingIpIsUsed(floatingIps.floatingIp(), floatingIps.id())) { + log.debug("The floaing Ip {} that the floating Ip {} create for is used", + floatingIps.floatingIp().toString(), floatingIps.id() + .toString()); + throw new IllegalArgumentException( + "The floating IP address is used"); + } + + IpAddress fixedIp = floatingIps.fixedIp(); + if (fixedIp != null + && fixedIpIsUsed(fixedIp, floatingIps.tenantId(), + floatingIps.id())) { + log.debug("The fixed Ip {} that the floating Ip {} create for is used", + floatingIps.fixedIp().toString(), floatingIps.id() + .toString()); + throw new IllegalArgumentException("The fixed IP address is used"); + } + } + + private class InnerFloatingIpStoreListener + implements + EventuallyConsistentMapListener<FloatingIpId, FloatingIp> { + + @Override + public void event(EventuallyConsistentMapEvent<FloatingIpId, FloatingIp> event) { + checkNotNull(event, EVENT_NOT_NULL); + FloatingIp floatingIp = event.value(); + if (EventuallyConsistentMapEvent.Type.PUT == event.type()) { + notifyListeners(new FloatingIpEvent( + FloatingIpEvent.Type.FLOATINGIP_PUT, + floatingIp)); + } + if (EventuallyConsistentMapEvent.Type.REMOVE == event.type()) { + notifyListeners(new FloatingIpEvent( + FloatingIpEvent.Type.FLOATINGIP_DELETE, + floatingIp)); + } + } + } + + /** + * Notifies specify event to all listeners. + * + * @param event Floating IP event + */ + private void notifyListeners(FloatingIpEvent event) { + checkNotNull(event, EVENT_NOT_NULL); + listeners.forEach(listener -> listener.event(event)); + } +} |