Pier | e7e8e3c | 2018-04-17 17:25:22 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.segmentrouting.web; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 20 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 21 | import com.google.common.collect.ImmutableSet; |
| 22 | import com.google.common.collect.Multimap; |
| 23 | import org.onlab.packet.IpAddress; |
| 24 | import org.onosproject.net.ConnectPoint; |
| 25 | import org.onosproject.rest.AbstractWebResource; |
| 26 | import org.onosproject.segmentrouting.SegmentRoutingService; |
| 27 | |
| 28 | import javax.ws.rs.GET; |
| 29 | import javax.ws.rs.Path; |
| 30 | import javax.ws.rs.PathParam; |
| 31 | import javax.ws.rs.Produces; |
| 32 | import javax.ws.rs.core.MediaType; |
| 33 | import javax.ws.rs.core.Response; |
| 34 | import java.util.List; |
| 35 | import java.util.Set; |
| 36 | import java.util.stream.Collectors; |
| 37 | |
| 38 | import static com.google.common.base.Strings.isNullOrEmpty; |
| 39 | |
| 40 | /** |
| 41 | * Query multicast trees. |
| 42 | */ |
| 43 | @Path("mcast") |
| 44 | public class McastWebResource extends AbstractWebResource { |
| 45 | |
| 46 | private ObjectNode encodeMcastTrees(String gAddr, String source) { |
| 47 | SegmentRoutingService srService = get(SegmentRoutingService.class); |
| 48 | Set<IpAddress> mcastGroups = ImmutableSet.copyOf(srService.getMcastLeaders(null) |
| 49 | .keySet()); |
| 50 | |
| 51 | if (!isNullOrEmpty(gAddr)) { |
| 52 | mcastGroups = mcastGroups.stream() |
| 53 | .filter(mcastIp -> mcastIp.equals(IpAddress.valueOf(gAddr))) |
| 54 | .collect(Collectors.toSet()); |
| 55 | } |
| 56 | |
| 57 | ObjectMapper mapper = new ObjectMapper(); |
| 58 | ObjectNode root = mapper.createObjectNode(); |
| 59 | |
| 60 | // Print the trees for each group or build json objects |
| 61 | mcastGroups.forEach(group -> { |
| 62 | // We want to use source cp only for a specific group |
| 63 | ConnectPoint sourcecp = null; |
| 64 | if (!isNullOrEmpty(source) && |
| 65 | !isNullOrEmpty(gAddr)) { |
| 66 | sourcecp = ConnectPoint.deviceConnectPoint(source); |
| 67 | } |
| 68 | Multimap<ConnectPoint, List<ConnectPoint>> mcastTree = srService.getMcastTrees(group, sourcecp); |
| 69 | // Build a json object for each group |
| 70 | root.putPOJO(group.toString(), json(mcastTree)); |
| 71 | |
| 72 | }); |
| 73 | return root; |
| 74 | } |
| 75 | |
| 76 | private ObjectNode json(Multimap<ConnectPoint, List<ConnectPoint>> mcastTree) { |
| 77 | ObjectMapper mapper = new ObjectMapper(); |
| 78 | ObjectNode jsonSinks = mapper.createObjectNode(); |
| 79 | mcastTree.asMap().forEach((sink, paths) -> { |
| 80 | ArrayNode jsonPaths = mapper.createArrayNode(); |
| 81 | paths.forEach(path -> { |
| 82 | ArrayNode jsonPath = mapper.createArrayNode(); |
| 83 | path.forEach(connectPoint -> jsonPath.add(connectPoint.toString())); |
| 84 | jsonPaths.addPOJO(jsonPath); |
| 85 | }); |
| 86 | jsonSinks.putPOJO(sink.toString(), jsonPaths); |
| 87 | }); |
| 88 | return jsonSinks; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Get all multicast trees. |
| 93 | * Returns an object of the multicast trees. |
| 94 | * |
| 95 | * @return status of OK |
| 96 | */ |
| 97 | @GET |
| 98 | @Produces(MediaType.APPLICATION_JSON) |
| 99 | public Response getMcastTrees() { |
| 100 | ObjectNode root = encodeMcastTrees(null, null); |
| 101 | return ok(root).build(); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Get the multicast trees of a group. |
| 106 | * |
| 107 | * @param group group IP address |
| 108 | * @return 200 OK with a multicast routes |
| 109 | */ |
| 110 | @GET |
| 111 | @Produces(MediaType.APPLICATION_JSON) |
| 112 | @Path("{group}") |
| 113 | public Response getRoute(@PathParam("group") String group) { |
| 114 | ObjectNode root = encodeMcastTrees(group, null); |
| 115 | return ok(root).build(); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Get the multicast tree of a group. |
| 120 | * |
| 121 | * @param group group IP address |
| 122 | * @param sourcecp source connect point |
| 123 | * @return 200 OK with a multicast routes |
| 124 | */ |
| 125 | @GET |
| 126 | @Produces(MediaType.APPLICATION_JSON) |
| 127 | @Path("{group}/{sourcecp}") |
| 128 | public Response getRoute(@PathParam("group") String group, |
| 129 | @PathParam("sourcecp") String sourcecp) { |
| 130 | ObjectNode root = encodeMcastTrees(group, sourcecp); |
| 131 | return ok(root).build(); |
| 132 | } |
| 133 | |
| 134 | } |