| /* |
| * Copyright 2015-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.rest.resources; |
| |
| import org.onosproject.rest.AbstractWebResource; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.net.packet.PacketProcessorEntry; |
| import org.onosproject.net.packet.PacketService; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import java.util.List; |
| import static org.onosproject.net.packet.PacketProcessor.ADVISOR_MAX; |
| import static org.onosproject.net.packet.PacketProcessor.DIRECTOR_MAX; |
| |
| /** |
| * Manage inventory of packet processors. |
| */ |
| |
| @Path("packet/processors") |
| public class PacketProcessorsWebResource extends AbstractWebResource { |
| |
| /** |
| * Gets packet processors. Returns array of all packet processors. |
| |
| * @onos.rsModel PacketProcessorsGet |
| * @return 200 OK with array of all packet processors. |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getPacketProcessors() { |
| PacketService service = get(PacketService.class); |
| ObjectNode root = mapper().createObjectNode(); |
| ArrayNode pktProcNode = root.putArray("packet-processors"); |
| List<PacketProcessorEntry> processors = service.getProcessors(); |
| ObjectMapper mapper = new ObjectMapper(); |
| for (PacketProcessorEntry p : processors) { |
| pktProcNode.add(mapper.createObjectNode() |
| .put("priority", priorityFormat(p.priority())) |
| .put("class", p.processor().getClass().getName()) |
| .put("packets", p.invocations()) |
| .put("avgNanos", p.averageNanos())); |
| } |
| |
| return ok(root).build(); |
| } |
| |
| private String priorityFormat(int priority) { |
| if (priority > DIRECTOR_MAX) { |
| return "observer(" + (priority - DIRECTOR_MAX - 1) + ")"; |
| } else if (priority > ADVISOR_MAX) { |
| return "director(" + (priority - ADVISOR_MAX - 1) + ")"; |
| } |
| return "advisor(" + (priority - 1) + ")"; |
| } |
| } |