Sean Condon | 0e89bda | 2017-03-21 14:23:19 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-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.cfm.impl; |
| 17 | |
| 18 | import java.io.InputStream; |
| 19 | import java.net.URI; |
| 20 | import java.util.Collection; |
| 21 | |
| 22 | import javax.ws.rs.Consumes; |
| 23 | import javax.ws.rs.DELETE; |
| 24 | import javax.ws.rs.GET; |
| 25 | import javax.ws.rs.POST; |
| 26 | import javax.ws.rs.Path; |
| 27 | import javax.ws.rs.PathParam; |
| 28 | import javax.ws.rs.Produces; |
| 29 | import javax.ws.rs.core.MediaType; |
| 30 | import javax.ws.rs.core.Response; |
| 31 | |
| 32 | import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceDomain; |
| 33 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdId; |
| 34 | import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdCharStr; |
| 35 | import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmConfigException; |
| 36 | import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmMdService; |
| 37 | import org.onosproject.rest.AbstractWebResource; |
| 38 | import org.slf4j.Logger; |
| 39 | import org.slf4j.LoggerFactory; |
| 40 | |
| 41 | import com.fasterxml.jackson.databind.JsonNode; |
| 42 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 43 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 44 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 45 | |
| 46 | /** |
| 47 | * Layer 2 CFM Maintenance Domain web resource. |
| 48 | */ |
| 49 | @Path("md") |
| 50 | public class MdWebResource extends AbstractWebResource { |
| 51 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 52 | public static final String JSON_NOT_NULL = "JsonNode can not be null"; |
| 53 | |
| 54 | /** |
| 55 | * Get all Maintenance Domains. |
| 56 | * |
| 57 | * @return 200 OK with a list of MDs and their children |
| 58 | */ |
| 59 | @GET |
| 60 | @Produces(MediaType.APPLICATION_JSON) |
| 61 | @Consumes(MediaType.APPLICATION_JSON) |
| 62 | public Response getMds() { |
| 63 | log.debug("GET called for all MDs"); |
| 64 | Collection<MaintenanceDomain> mdMap = |
| 65 | get(CfmMdService.class).getAllMaintenanceDomain(); |
| 66 | ArrayNode arrayNode = mapper().createArrayNode(); |
| 67 | arrayNode.add(codec(MaintenanceDomain.class).encode(mdMap, this)); |
| 68 | return ok(mapper().createObjectNode().set("mds", arrayNode)).build(); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Get Maintenance Domain by name. |
| 73 | * |
| 74 | * @param mdName The name of a Maintenance Domain |
| 75 | * @return 200 OK with the details of the MD and its children or 500 on error |
| 76 | */ |
| 77 | @GET |
| 78 | @Path("{md_name}") |
| 79 | @Produces(MediaType.APPLICATION_JSON) |
| 80 | @Consumes(MediaType.APPLICATION_JSON) |
| 81 | public Response getMd(@PathParam("md_name") String mdName) { |
| 82 | log.debug("GET called for MD {}", mdName); |
| 83 | try { |
| 84 | MaintenanceDomain md = get(CfmMdService.class) |
| 85 | .getMaintenanceDomain(MdIdCharStr.asMdId(mdName)) |
| 86 | .orElseThrow(() -> new IllegalArgumentException( |
| 87 | "MD " + mdName + " not Found")); |
| 88 | ObjectNode result = mapper().createObjectNode(); |
| 89 | result.set("md", codec(MaintenanceDomain.class).encode(md, this)); |
| 90 | return ok(result.toString()).build(); |
| 91 | } catch (IllegalArgumentException e) { |
| 92 | log.error("Get MD {} failed", mdName, e); |
| 93 | return Response.serverError() |
| 94 | .entity("{ \"failure\":\"" + e.toString() + "\" }").build(); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Delete Maintenance Domain by name. |
| 100 | * |
| 101 | * @param mdName The name of a Maintenance Domain |
| 102 | * @return 200 OK, or 304 if not found or 500 on error |
| 103 | */ |
| 104 | @DELETE |
| 105 | @Path("{md_name}") |
| 106 | @Consumes(MediaType.APPLICATION_JSON) |
| 107 | @Produces(MediaType.APPLICATION_JSON) |
| 108 | public Response deleteMd(@PathParam("md_name") String mdName) { |
| 109 | log.debug("DELETE called for MD {}", mdName); |
| 110 | try { |
| 111 | MdId mdId = MdIdCharStr.asMdId(mdName); |
| 112 | boolean deleted = get(CfmMdService.class).deleteMaintenanceDomain(mdId); |
| 113 | if (!deleted) { |
| 114 | return Response.notModified(mdName + " did not exist").build(); |
| 115 | } else { |
| 116 | return ok("{ \"success\":\"deleted " + mdName + "\" }").build(); |
| 117 | } |
| 118 | } catch (CfmConfigException e) { |
| 119 | log.error("Delete Maintenance Domain {} failed", mdName, e); |
| 120 | return Response.serverError() |
| 121 | .entity("{ \"failure\":\"" + e.toString() + "\" }").build(); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Create Maintenance Domain. |
| 127 | * |
| 128 | * @param input A JSON formatted input stream specifying the MA parameters |
| 129 | * @return 200 OK, 304 if MD already exists or 500 on error |
| 130 | */ |
| 131 | @POST |
| 132 | @Consumes(MediaType.APPLICATION_JSON) |
| 133 | @Produces(MediaType.APPLICATION_JSON) |
| 134 | public Response createMaintenanceDomain(InputStream input) { |
| 135 | log.debug("POST called to Create MD"); |
| 136 | try { |
| 137 | ObjectMapper mapper = new ObjectMapper(); |
| 138 | JsonNode cfg = mapper.readTree(input); |
| 139 | MaintenanceDomain md = codec(MaintenanceDomain.class).decode((ObjectNode) cfg, this); |
| 140 | |
| 141 | if (get(CfmMdService.class).createMaintenanceDomain(md)) { |
| 142 | return Response.notModified(md.mdId().toString() + " already exists").build(); |
| 143 | } |
| 144 | return Response |
| 145 | .created(new URI("md/" + md.mdId())) |
| 146 | .entity("{ \"success\":\"" + md.mdId() + " created\" }") |
| 147 | .build(); |
| 148 | |
| 149 | } catch (Exception | CfmConfigException e) { |
| 150 | log.error("Create MaintenanceDomain", e); |
| 151 | return Response.serverError() |
| 152 | .entity("{ \"failure\":\"" + e.toString() + "\" }") |
| 153 | .build(); |
| 154 | } |
| 155 | } |
| 156 | } |