| /* |
| * Copyright 2014 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; |
| |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.link.LinkService; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.QueryParam; |
| import javax.ws.rs.core.Response; |
| |
| import static org.onosproject.net.DeviceId.deviceId; |
| import static org.onosproject.net.PortNumber.portNumber; |
| import static org.onosproject.rest.LinksWebResource.Direction.valueOf; |
| |
| /** |
| * REST resource for interacting with the inventory of infrastructure links. |
| */ |
| @Path("links") |
| public class LinksWebResource extends AbstractWebResource { |
| |
| enum Direction { ALL, INGRESS, EGRESS } |
| |
| @GET |
| public Response getLinks(@QueryParam("device") String deviceId, |
| @QueryParam("port") String port, |
| @QueryParam("direction") String direction) { |
| LinkService service = get(LinkService.class); |
| Iterable<Link> links; |
| |
| if (deviceId != null && port != null) { |
| links = getConnectPointLinks(new ConnectPoint(deviceId(deviceId), |
| portNumber(port)), |
| direction, service); |
| } else if (deviceId != null) { |
| links = getDeviceLinks(deviceId(deviceId), direction, service); |
| } else { |
| links = service.getLinks(); |
| } |
| return ok(encodeArray(Link.class, "links", links)).build(); |
| } |
| |
| private Iterable<Link> getConnectPointLinks(ConnectPoint point, |
| String direction, |
| LinkService service) { |
| Direction dir = direction != null ? |
| valueOf(direction.toUpperCase()) : Direction.ALL; |
| switch (dir) { |
| case INGRESS: |
| return service.getIngressLinks(point); |
| case EGRESS: |
| return service.getEgressLinks(point); |
| default: |
| return service.getLinks(point); |
| } |
| } |
| |
| private Iterable<Link> getDeviceLinks(DeviceId deviceId, |
| String direction, |
| LinkService service) { |
| Direction dir = direction != null ? |
| valueOf(direction.toUpperCase()) : Direction.ALL; |
| switch (dir) { |
| case INGRESS: |
| return service.getDeviceIngressLinks(deviceId); |
| case EGRESS: |
| return service.getDeviceEgressLinks(deviceId); |
| default: |
| return service.getDeviceLinks(deviceId); |
| } |
| } |
| |
| } |