[ONOS-2820] add implementation of floatingIpService api
Change-Id: I65a2643dcf0443fa4ae0cd647bcb42fa9e2a6e44
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/floatingip/impl/FloatingIpManager.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/floatingip/impl/FloatingIpManager.java
new file mode 100644
index 0000000..9f944da
--- /dev/null
+++ b/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));
+ }
+}