| /* |
| * Copyright 2016-present 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.virtual.impl; |
| |
| import org.onosproject.common.DefaultTopology; |
| import org.onosproject.incubator.net.virtual.NetworkId; |
| import org.onosproject.incubator.net.virtual.VirtualNetworkService; |
| import org.onosproject.incubator.net.virtual.event.AbstractVirtualListenerManager; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.DisjointPath; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.Path; |
| import org.onosproject.net.topology.ClusterId; |
| import org.onosproject.net.topology.DefaultGraphDescription; |
| import org.onosproject.net.topology.LinkWeight; |
| import org.onosproject.net.topology.Topology; |
| import org.onosproject.net.topology.TopologyCluster; |
| import org.onosproject.net.topology.TopologyEvent; |
| import org.onosproject.net.topology.TopologyGraph; |
| import org.onosproject.net.topology.TopologyListener; |
| import org.onosproject.net.topology.TopologyService; |
| |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.incubator.net.virtual.DefaultVirtualLink.PID; |
| |
| /** |
| * Topology service implementation built on the virtual network service. |
| */ |
| public class VirtualNetworkTopologyManager |
| extends AbstractVirtualListenerManager<TopologyEvent, TopologyListener> |
| implements TopologyService { |
| |
| private static final String TOPOLOGY_NULL = "Topology cannot be null"; |
| private static final String DEVICE_ID_NULL = "Device ID cannot be null"; |
| private static final String CLUSTER_ID_NULL = "Cluster ID cannot be null"; |
| private static final String CLUSTER_NULL = "Topology cluster cannot be null"; |
| private static final String CONNECTION_POINT_NULL = "Connection point cannot be null"; |
| private static final String LINK_WEIGHT_NULL = "Link weight cannot be null"; |
| |
| /** |
| * Creates a new VirtualNetworkTopologyService object. |
| * |
| * @param virtualNetworkManager virtual network manager service |
| * @param networkId a virtual network identifier |
| */ |
| public VirtualNetworkTopologyManager(VirtualNetworkService virtualNetworkManager, |
| NetworkId networkId) { |
| super(virtualNetworkManager, networkId); |
| } |
| |
| @Override |
| public Topology currentTopology() { |
| Iterable<Device> devices = manager.getVirtualDevices(networkId()) |
| .stream() |
| .collect(Collectors.toSet()); |
| Iterable<Link> links = manager.getVirtualLinks(networkId()) |
| .stream() |
| .collect(Collectors.toSet()); |
| |
| DefaultGraphDescription graph = |
| new DefaultGraphDescription(System.nanoTime(), |
| System.currentTimeMillis(), |
| devices, links); |
| return new DefaultTopology(PID, graph); |
| } |
| |
| @Override |
| public boolean isLatest(Topology topology) { |
| Topology currentTopology = currentTopology(); |
| return defaultTopology(topology).getGraph() |
| .equals(defaultTopology(currentTopology).getGraph()); |
| } |
| |
| @Override |
| public TopologyGraph getGraph(Topology topology) { |
| return defaultTopology(topology).getGraph(); |
| } |
| |
| // Validates the specified topology and returns it as a default |
| private DefaultTopology defaultTopology(Topology topology) { |
| checkNotNull(topology, TOPOLOGY_NULL); |
| checkArgument(topology instanceof DefaultTopology, |
| "Topology class %s not supported", topology.getClass()); |
| return (DefaultTopology) topology; |
| } |
| |
| @Override |
| public Set<TopologyCluster> getClusters(Topology topology) { |
| return defaultTopology(topology).getClusters(); |
| } |
| |
| @Override |
| public TopologyCluster getCluster(Topology topology, ClusterId clusterId) { |
| checkNotNull(clusterId, CLUSTER_ID_NULL); |
| return defaultTopology(topology).getCluster(clusterId); |
| } |
| |
| @Override |
| public Set<DeviceId> getClusterDevices(Topology topology, TopologyCluster cluster) { |
| checkNotNull(cluster, CLUSTER_NULL); |
| return defaultTopology(topology).getClusterDevices(cluster); |
| } |
| |
| @Override |
| public Set<Link> getClusterLinks(Topology topology, TopologyCluster cluster) { |
| checkNotNull(cluster, CLUSTER_NULL); |
| return defaultTopology(topology).getClusterLinks(cluster); |
| } |
| |
| @Override |
| public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst) { |
| checkNotNull(src, DEVICE_ID_NULL); |
| checkNotNull(dst, DEVICE_ID_NULL); |
| return defaultTopology(topology).getPaths(src, dst); |
| } |
| |
| @Override |
| public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst, LinkWeight weight) { |
| checkNotNull(src, DEVICE_ID_NULL); |
| checkNotNull(dst, DEVICE_ID_NULL); |
| checkNotNull(weight, LINK_WEIGHT_NULL); |
| return defaultTopology(topology).getPaths(src, dst, weight); |
| } |
| |
| @Override |
| public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, DeviceId dst) { |
| checkNotNull(src, DEVICE_ID_NULL); |
| checkNotNull(dst, DEVICE_ID_NULL); |
| return defaultTopology(topology).getDisjointPaths(src, dst); |
| } |
| |
| @Override |
| public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, |
| DeviceId dst, LinkWeight weight) { |
| checkNotNull(src, DEVICE_ID_NULL); |
| checkNotNull(dst, DEVICE_ID_NULL); |
| checkNotNull(weight, LINK_WEIGHT_NULL); |
| return defaultTopology(topology).getDisjointPaths(src, dst, weight); |
| } |
| |
| @Override |
| public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, DeviceId dst, |
| Map<Link, Object> riskProfile) { |
| checkNotNull(src, DEVICE_ID_NULL); |
| checkNotNull(dst, DEVICE_ID_NULL); |
| return defaultTopology(topology).getDisjointPaths(src, dst, riskProfile); |
| } |
| |
| @Override |
| public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, DeviceId dst, |
| LinkWeight weight, Map<Link, Object> riskProfile) { |
| checkNotNull(src, DEVICE_ID_NULL); |
| checkNotNull(dst, DEVICE_ID_NULL); |
| checkNotNull(weight, LINK_WEIGHT_NULL); |
| return defaultTopology(topology).getDisjointPaths(src, dst, weight, riskProfile); |
| } |
| |
| @Override |
| public boolean isInfrastructure(Topology topology, ConnectPoint connectPoint) { |
| checkNotNull(connectPoint, CONNECTION_POINT_NULL); |
| return defaultTopology(topology).isInfrastructure(connectPoint); |
| } |
| |
| @Override |
| public boolean isBroadcastPoint(Topology topology, ConnectPoint connectPoint) { |
| checkNotNull(connectPoint, CONNECTION_POINT_NULL); |
| return defaultTopology(topology).isBroadcastPoint(connectPoint); |
| } |
| } |