| /* |
| * Copyright 2017-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.cfm.rest; |
| |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.util.Optional; |
| |
| 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.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import org.onosproject.cfm.web.MaintenanceAssociationCodec; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceAssociation; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceDomain; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdCharStr; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdShort; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdId; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdCharStr; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmConfigException; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmMdService; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import static org.onlab.util.Tools.readTreeFromStream; |
| |
| /** |
| * Layer 2 CFM Maintenance Association web resource. |
| */ |
| @Path("md/{md_name}/ma") |
| public class MaWebResource extends AbstractWebResource { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| /** |
| * Get Maintenance Association by MD and MA name. |
| * |
| * @param mdName The name of a Maintenance Domain |
| * @param maName The name of a Maintenance Association belonging to the MD |
| * @return 200 OK with details of MA or 500 on Error |
| */ |
| @GET |
| @Path("{ma_name}") |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response getMa(@PathParam("md_name") String mdName, |
| @PathParam("ma_name") String maName) { |
| log.debug("GET called for MA {}/{}", mdName, maName); |
| try { |
| MdId mdId = MdIdCharStr.asMdId(mdName); |
| MaIdShort maId = MaIdCharStr.asMaId(maName); |
| MaintenanceAssociation ma = get(CfmMdService.class) |
| .getMaintenanceAssociation(mdId, maId) |
| .orElseThrow(() -> new IllegalArgumentException( |
| "MA " + maName + " not Found")); |
| ObjectNode node = mapper().createObjectNode(); |
| node.set("ma", codec(MaintenanceAssociation.class).encode(ma, this)); |
| return ok(node).build(); |
| } catch (IllegalArgumentException e) { |
| log.error("Get MA {} failed", mdName + "/" + maName, e); |
| return Response.serverError() |
| .entity("{ \"failure\":\"" + e.toString() + "\" }").build(); |
| } |
| } |
| |
| /** |
| * Delete the Maintenance Association by MD and MA name. |
| * |
| * @param mdName The name of a Maintenance Domain |
| * @param maName The name of a Maintenance Association belonging to the MD |
| * @return 200 OK if removed, 304 if item was not found or 500 on Error |
| */ |
| @DELETE |
| @Path("{ma_name}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response deleteMa(@PathParam("md_name") String mdName, |
| @PathParam("ma_name") String maName) { |
| log.debug("DELETE called for MA {}/{}", mdName, maName); |
| try { |
| MdId mdId = MdIdCharStr.asMdId(mdName); |
| MaIdShort maId = MaIdCharStr.asMaId(maName); |
| boolean deleted = get(CfmMdService.class) |
| .deleteMaintenanceAssociation(mdId, maId); |
| if (!deleted) { |
| return Response.notModified(mdName + "/" |
| + maName + " did not exist").build(); |
| } else { |
| return ok("{ \"success\":\"deleted " + mdName |
| + "/" + maName + "\" }").build(); |
| } |
| } catch (CfmConfigException e) { |
| log.error("Delete Maintenance Association {} failed", |
| mdName + "/" + maName, e); |
| return Response.serverError().entity("{ \"failure\":\"" + |
| e.toString() + "\" }").build(); |
| } |
| } |
| |
| /** |
| * Create Maintenance Association by MD and MA name. |
| * |
| * @onos.rsModel MaCreate |
| * @param mdName The name of a Maintenance Domain |
| * @param input A JSON formatted input stream specifying the MA parameters |
| * @return 200 OK or 500 on error |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response createMaintenanceAssociation(@PathParam("md_name") String mdName, |
| InputStream input) { |
| log.debug("POST called to Create MA"); |
| try { |
| MdId mdId = MdIdCharStr.asMdId(mdName); |
| Optional<MaintenanceDomain> md = get(CfmMdService.class) |
| .getMaintenanceDomain(mdId); |
| if (!md.isPresent()) { |
| return Response.serverError().entity("{ \"failure\":\"md " |
| + mdName + " does not exist\" }").build(); |
| } |
| |
| ObjectMapper mapper = new ObjectMapper(); |
| JsonNode cfg = readTreeFromStream(mapper, input); |
| JsonCodec<MaintenanceAssociation> maCodec = |
| codec(MaintenanceAssociation.class); |
| |
| MaintenanceAssociation ma; |
| try { |
| ma = ((MaintenanceAssociationCodec) maCodec) |
| .decode((ObjectNode) cfg, this, mdId.getNameLength()); |
| } catch (Exception e) { |
| log.error("Create MaintenanceAssociation on MD {} failed", mdName, e); |
| return Response.serverError() |
| .entity("{ \"failure\":\"" + e.toString() + "\" }") |
| .build(); |
| } |
| |
| Boolean alreadyExists = get(CfmMdService.class) |
| .createMaintenanceAssociation(mdId, ma); |
| if (alreadyExists) { |
| return Response.notModified(mdName + "/" + ma.maId() + |
| " already exists").build(); |
| } |
| return Response |
| .created(new URI("md/" + mdName + "/ma/" + ma.maId())) |
| .entity("{ \"success\":\"" + mdName + "/" + ma.maId() + " created\" }") |
| .build(); |
| |
| } catch (Exception | CfmConfigException e) { |
| log.error("Create MaintenanceAssociation on MD {} failed", mdName, e); |
| return Response.serverError() |
| .entity("{ \"failure\":\"" + e.toString() + "\" }") |
| .build(); |
| } |
| } |
| } |