| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.segmentrouting.web; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Multimap; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.onosproject.segmentrouting.SegmentRoutingService; |
| |
| 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.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Strings.isNullOrEmpty; |
| |
| /** |
| * Query multicast trees. |
| */ |
| @Path("mcast") |
| public class McastWebResource extends AbstractWebResource { |
| |
| private ObjectNode encodeMcastTrees(String gAddr, String source) { |
| SegmentRoutingService srService = get(SegmentRoutingService.class); |
| Set<IpAddress> mcastGroups = ImmutableSet.copyOf(srService.getMcastLeaders(null) |
| .keySet()); |
| |
| if (!isNullOrEmpty(gAddr)) { |
| mcastGroups = mcastGroups.stream() |
| .filter(mcastIp -> mcastIp.equals(IpAddress.valueOf(gAddr))) |
| .collect(Collectors.toSet()); |
| } |
| |
| ObjectMapper mapper = new ObjectMapper(); |
| ObjectNode root = mapper.createObjectNode(); |
| |
| // Print the trees for each group or build json objects |
| mcastGroups.forEach(group -> { |
| // We want to use source cp only for a specific group |
| ConnectPoint sourcecp = null; |
| if (!isNullOrEmpty(source) && |
| !isNullOrEmpty(gAddr)) { |
| sourcecp = ConnectPoint.deviceConnectPoint(source); |
| } |
| Multimap<ConnectPoint, List<ConnectPoint>> mcastTree = srService.getMcastTrees(group, sourcecp); |
| // Build a json object for each group |
| root.putPOJO(group.toString(), json(mcastTree)); |
| |
| }); |
| return root; |
| } |
| |
| private ObjectNode json(Multimap<ConnectPoint, List<ConnectPoint>> mcastTree) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ObjectNode jsonSinks = mapper.createObjectNode(); |
| mcastTree.asMap().forEach((sink, paths) -> { |
| ArrayNode jsonPaths = mapper.createArrayNode(); |
| paths.forEach(path -> { |
| ArrayNode jsonPath = mapper.createArrayNode(); |
| path.forEach(connectPoint -> jsonPath.add(connectPoint.toString())); |
| jsonPaths.addPOJO(jsonPath); |
| }); |
| jsonSinks.putPOJO(sink.toString(), jsonPaths); |
| }); |
| return jsonSinks; |
| } |
| |
| /** |
| * Get all multicast trees. |
| * Returns an object of the multicast trees. |
| * |
| * @return status of OK |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getMcastTrees() { |
| ObjectNode root = encodeMcastTrees(null, null); |
| return ok(root).build(); |
| } |
| |
| /** |
| * Get the multicast trees of a group. |
| * |
| * @param group group IP address |
| * @return 200 OK with a multicast routes |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("{group}") |
| public Response getRoute(@PathParam("group") String group) { |
| ObjectNode root = encodeMcastTrees(group, null); |
| return ok(root).build(); |
| } |
| |
| /** |
| * Get the multicast tree of a group. |
| * |
| * @param group group IP address |
| * @param sourcecp source connect point |
| * @return 200 OK with a multicast routes |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("{group}/{sourcecp}") |
| public Response getRoute(@PathParam("group") String group, |
| @PathParam("sourcecp") String sourcecp) { |
| ObjectNode root = encodeMcastTrees(group, sourcecp); |
| return ok(root).build(); |
| } |
| |
| } |