| /* |
| * 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.openstackvtap.web; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.Sets; |
| import org.onosproject.openstackvtap.api.OpenstackVtap; |
| import org.onosproject.openstackvtap.api.OpenstackVtapCriterion; |
| import org.onosproject.openstackvtap.api.OpenstackVtapId; |
| import org.onosproject.openstackvtap.api.OpenstackVtapService; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.core.UriBuilder; |
| import javax.ws.rs.core.UriInfo; |
| import java.io.InputStream; |
| import java.util.Set; |
| |
| import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT; |
| import static javax.ws.rs.core.Response.created; |
| import static javax.ws.rs.core.Response.noContent; |
| import static org.onlab.util.Tools.readTreeFromStream; |
| import static org.onosproject.openstackvtap.util.OpenstackVtapUtil.getVtapTypeFromString; |
| |
| /** |
| * Handles REST API call of openstack vtap. |
| */ |
| @Path("vtap") |
| public class OpenstackVtapWebResource extends AbstractWebResource { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String MESSAGE_VTAP = "Received vtap %s request"; |
| private static final String CREATE = "CREATE"; |
| private static final String QUERY = "QUERY"; |
| private static final String DELETE = "DELETE"; |
| |
| private static final String VTAP = "vtap"; |
| private static final String CRITERION = "criterion"; |
| private static final String TYPE = "type"; |
| private static final String ID = "id"; |
| |
| private final ObjectNode root = mapper().createObjectNode(); |
| private final ArrayNode jsonVtaps = root.putArray("vtaps"); |
| |
| private final OpenstackVtapService vtapService = get(OpenstackVtapService.class); |
| |
| @Context |
| private UriInfo uriInfo; |
| |
| /** |
| * Creates an openstack vTap from the JSON input stream. |
| * |
| * @param input openstack vtap JSON input stream |
| * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON |
| * is invalid or duplicated vtap already exists |
| * |
| * @onos.rsModel OpenstackVtap |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response createVtap(InputStream input) { |
| log.trace(String.format(MESSAGE_VTAP, CREATE)); |
| |
| OpenstackVtap vtap = readAndCreateVtap(input); |
| |
| UriBuilder locationBuilder = uriInfo.getBaseUriBuilder() |
| .path(VTAP) |
| .path(vtap.id().toString()); |
| |
| return created(locationBuilder.build()).build(); |
| } |
| |
| /** |
| * Removes an openstack vTap with the given vTap UUID. |
| * |
| * @param id openstack vtap UUID |
| * @return 204 NO_CONTENT, 400 BAD_REQUEST if the JSON is malformed |
| */ |
| @DELETE |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("{id}") |
| public Response deleteVtap(@PathParam(ID) String id) { |
| log.trace(String.format(MESSAGE_VTAP, DELETE + id)); |
| |
| vtapService.removeVtap(OpenstackVtapId.vtapId(id)); |
| return noContent().build(); |
| } |
| |
| /** |
| * Gets openstack vtap entities. |
| * |
| * @return 200 OK with openstack vtap entities |
| * 404 NOT_FOUND if openstack vtap does not exist |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getVtaps() { |
| log.trace(String.format(MESSAGE_VTAP, QUERY)); |
| |
| Set<OpenstackVtap> allVtaps = vtapService.getVtaps(OpenstackVtap.Type.VTAP_ALL); |
| Set<OpenstackVtap> txVtaps = vtapService.getVtaps(OpenstackVtap.Type.VTAP_TX); |
| Set<OpenstackVtap> rxVtaps = vtapService.getVtaps(OpenstackVtap.Type.VTAP_RX); |
| Set<OpenstackVtap> anyVtaps = vtapService.getVtaps(OpenstackVtap.Type.VTAP_ANY); |
| |
| Set<OpenstackVtap> vTaps = Sets.newConcurrentHashSet(); |
| vTaps.addAll(allVtaps); |
| vTaps.addAll(txVtaps); |
| vTaps.addAll(rxVtaps); |
| vTaps.addAll(anyVtaps); |
| |
| for (OpenstackVtap vtap : vTaps) { |
| ObjectNode json = mapper().createObjectNode(); |
| json.set(CRITERION, codec(OpenstackVtapCriterion.class) |
| .encode(vtap.vtapCriterion(), this)); |
| json.put(TYPE, vtap.type().name()); |
| json.put(ID, vtap.id().toString()); |
| |
| jsonVtaps.add(json); |
| } |
| |
| return ok(root).build(); |
| } |
| |
| private OpenstackVtap readAndCreateVtap(InputStream input) { |
| OpenstackVtap.Type type = OpenstackVtap.Type.VTAP_ALL; |
| OpenstackVtapCriterion criterion; |
| try { |
| JsonNode jsonTree = readTreeFromStream(mapper().enable(INDENT_OUTPUT), input); |
| String typeStr = jsonTree.path(TYPE).asText(); |
| |
| if (typeStr != null) { |
| type = getVtapTypeFromString(typeStr); |
| } |
| |
| ObjectNode jsonCriterion = jsonTree.path(CRITERION).deepCopy(); |
| criterion = codec(OpenstackVtapCriterion.class).decode(jsonCriterion, this); |
| } catch (Exception e) { |
| throw new IllegalArgumentException(e); |
| } |
| |
| return vtapService.createVtap(type, criterion); |
| } |
| } |