| /* |
| * Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors |
| * |
| * 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.opencord.dhcpl2relay.rest; |
| |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import java.util.Objects; |
| import java.util.stream.Collectors; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.rest.AbstractWebResource; |
| |
| import org.opencord.dhcpl2relay.DhcpAllocationInfo; |
| import org.opencord.dhcpl2relay.DhcpL2RelayService; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR; |
| |
| /** |
| * DhcpL2Relay web resource. |
| */ |
| @Path("app") |
| public class DhcpL2RelayWebResource extends AbstractWebResource { |
| private final ObjectNode root = mapper().createObjectNode(); |
| private final ArrayNode node = root.putArray("entries"); |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String SUBSCRIBER_ID = "subscriberId"; |
| private static final String CONNECT_POINT = "connectPoint"; |
| private static final String MAC_ADDRESS = "macAddress"; |
| private static final String STATE = "state"; |
| private static final String VLAN_ID = "vlanId"; |
| private static final String CIRCUIT_ID = "circuitId"; |
| private static final String IP_ALLOCATED = "ipAllocated"; |
| private static final String ALLOCATION_TIMESTAMP = "allocationTimestamp"; |
| |
| /** |
| * |
| * Shows all the successful DHCP allocations relayed by the dhcpl2relay. |
| * |
| * @return 200 OK |
| */ |
| @GET |
| @Path("/allocations") |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getAllocations() { |
| return getAllocations(null); |
| } |
| |
| /** |
| * Shows the successful DHCP allocations relayed by the dhcpl2relay for a specific access device. |
| * |
| * @param deviceId Access device ID. |
| * |
| * @return 200 OK |
| */ |
| @GET |
| @Path("/allocations/{deviceId}") |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getAllocation(@PathParam("deviceId") String deviceId) { |
| return getAllocations(deviceId); |
| } |
| |
| private Response getAllocations(String deviceId) { |
| DhcpL2RelayService service = get(DhcpL2RelayService.class); |
| Map<String, DhcpAllocationInfo> allocations = service.getAllocationInfo(); |
| |
| try { |
| buildAllocationsNodeObject(allocations, deviceId); |
| return ok(mapper().writeValueAsString(root)).build(); |
| } catch (Exception e) { |
| log.error("Error while fetching DhcpL2Relay allocations information through REST API: {}", e.getMessage()); |
| return Response.status(INTERNAL_SERVER_ERROR).build(); |
| } |
| } |
| |
| private void buildAllocationsNodeObject(Map<String, DhcpAllocationInfo> allocationMap, String strDeviceId) { |
| if (Objects.nonNull(strDeviceId)) { |
| DeviceId deviceId = DeviceId.deviceId(strDeviceId); |
| allocationMap = allocationMap.entrySet().stream() |
| .filter(a -> a.getValue().location().deviceId().equals(deviceId)) |
| .collect(Collectors.toMap(Entry::getKey, Entry::getValue)); |
| } |
| |
| allocationMap.forEach((key, value) -> { |
| node.add(encodeDhcpAllocationInfo(value)); |
| }); |
| } |
| |
| private ObjectNode encodeDhcpAllocationInfo(DhcpAllocationInfo entry) { |
| return mapper().createObjectNode() |
| .put(SUBSCRIBER_ID, entry.subscriberId()) |
| .put(CONNECT_POINT, entry.location().toString()) |
| .put(STATE, entry.type().toString()) |
| .put(MAC_ADDRESS, entry.macAddress().toString()) |
| .put(VLAN_ID, entry.vlanId().toShort()) |
| .put(CIRCUIT_ID, entry.circuitId()) |
| .put(IP_ALLOCATED, entry.ipAddress().getIp4Address().toString()) |
| .put(ALLOCATION_TIMESTAMP, entry.allocationTime().toString()); |
| } |
| } |