| /* |
| * Copyright 2015-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.rest.resources; |
| |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.ElementId; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.topology.PathService; |
| import org.onosproject.rest.AbstractWebResource; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import java.util.Set; |
| |
| /** |
| * Compute paths in the network graph. |
| */ |
| @Path("paths") |
| public class PathsWebResource extends AbstractWebResource { |
| |
| /** |
| * Determines if the id appears to be the id of a host. |
| * Host id format is 00:00:00:00:00:01/-1 |
| * |
| * @param id id string |
| * @return HostId if the id is valid, null otherwise |
| */ |
| private HostId isHostId(String id) { |
| return id.matches("..:..:..:..:..:../.*") ? HostId.hostId(id) : null; |
| } |
| |
| /** |
| * Returns either host id or device id, depending on the ID format. |
| * |
| * @param id host or device id string |
| * @return element id |
| */ |
| private ElementId elementId(String id) { |
| ElementId elementId = isHostId(id); |
| return elementId != null ? elementId : DeviceId.deviceId(id); |
| } |
| |
| /** |
| * Gets all shortest paths between any two hosts or devices. |
| * Returns array of all shortest paths between any two elements. |
| * @onos.rsModel Paths |
| * @param src source identifier |
| * @param dst destination identifier |
| * @return 200 OK with array of all shortest paths between any two elements |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("{src}/{dst}") |
| public Response getPath(@PathParam("src") String src, |
| @PathParam("dst") String dst) { |
| PathService pathService = get(PathService.class); |
| Set<org.onosproject.net.Path> paths = |
| pathService.getPaths(elementId(src), elementId(dst)); |
| return ok(encodeArray(org.onosproject.net.Path.class, "paths", paths)).build(); |
| } |
| |
| /** |
| * Gets all shortest disjoint path pairs between any two hosts or devices. |
| * Returns array of all shortest disjoint path pairs between any two elements. |
| * @onos.rsModel Paths |
| * @param src source identifier |
| * @param dst destination identifier |
| * @return 200 OK with array of all shortest disjoint path pairs between any two elements |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("{src}/{dst}/disjoint") |
| public Response getDisjointPath(@PathParam("src") String src, |
| @PathParam("dst") String dst) { |
| PathService pathService = get(PathService.class); |
| Set<org.onosproject.net.DisjointPath> paths = |
| pathService.getDisjointPaths(elementId(src), elementId(dst)); |
| return ok(encodeArray(org.onosproject.net.DisjointPath.class, "paths", paths)).build(); |
| } |
| } |