Gustavo Silva | de66bc7 | 2022-05-18 16:42:55 -0300 | [diff] [blame] | 1 | /* |
Joey Armstrong | 7e08d2a | 2022-12-30 12:25:42 -0500 | [diff] [blame^] | 2 | * Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors |
Gustavo Silva | de66bc7 | 2022-05-18 16:42:55 -0300 | [diff] [blame] | 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.opencord.dhcpl2relay.rest; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 19 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 20 | |
| 21 | import java.util.Objects; |
| 22 | import java.util.stream.Collectors; |
| 23 | import java.util.Map; |
| 24 | import java.util.Map.Entry; |
| 25 | |
| 26 | import javax.ws.rs.core.MediaType; |
| 27 | import javax.ws.rs.core.Response; |
| 28 | import javax.ws.rs.GET; |
| 29 | import javax.ws.rs.Path; |
| 30 | import javax.ws.rs.PathParam; |
| 31 | import javax.ws.rs.Produces; |
| 32 | |
| 33 | import org.onosproject.net.DeviceId; |
| 34 | import org.onosproject.rest.AbstractWebResource; |
| 35 | |
| 36 | import org.opencord.dhcpl2relay.DhcpAllocationInfo; |
| 37 | import org.opencord.dhcpl2relay.DhcpL2RelayService; |
| 38 | |
| 39 | import org.slf4j.Logger; |
| 40 | import org.slf4j.LoggerFactory; |
| 41 | |
| 42 | import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR; |
| 43 | |
| 44 | /** |
| 45 | * DhcpL2Relay web resource. |
| 46 | */ |
| 47 | @Path("app") |
| 48 | public class DhcpL2RelayWebResource extends AbstractWebResource { |
| 49 | private final ObjectNode root = mapper().createObjectNode(); |
| 50 | private final ArrayNode node = root.putArray("entries"); |
| 51 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 52 | |
| 53 | private static final String SUBSCRIBER_ID = "subscriberId"; |
| 54 | private static final String CONNECT_POINT = "connectPoint"; |
| 55 | private static final String MAC_ADDRESS = "macAddress"; |
| 56 | private static final String STATE = "state"; |
| 57 | private static final String VLAN_ID = "vlanId"; |
| 58 | private static final String CIRCUIT_ID = "circuitId"; |
| 59 | private static final String IP_ALLOCATED = "ipAllocated"; |
| 60 | private static final String ALLOCATION_TIMESTAMP = "allocationTimestamp"; |
| 61 | |
| 62 | /** |
| 63 | * |
| 64 | * Shows all the successful DHCP allocations relayed by the dhcpl2relay. |
| 65 | * |
| 66 | * @return 200 OK |
| 67 | */ |
| 68 | @GET |
| 69 | @Path("/allocations") |
| 70 | @Produces(MediaType.APPLICATION_JSON) |
| 71 | public Response getAllocations() { |
| 72 | return getAllocations(null); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Shows the successful DHCP allocations relayed by the dhcpl2relay for a specific access device. |
| 77 | * |
| 78 | * @param deviceId Access device ID. |
| 79 | * |
| 80 | * @return 200 OK |
| 81 | */ |
| 82 | @GET |
| 83 | @Path("/allocations/{deviceId}") |
| 84 | @Produces(MediaType.APPLICATION_JSON) |
| 85 | public Response getAllocation(@PathParam("deviceId") String deviceId) { |
| 86 | return getAllocations(deviceId); |
| 87 | } |
| 88 | |
| 89 | private Response getAllocations(String deviceId) { |
| 90 | DhcpL2RelayService service = get(DhcpL2RelayService.class); |
| 91 | Map<String, DhcpAllocationInfo> allocations = service.getAllocationInfo(); |
| 92 | |
| 93 | try { |
| 94 | buildAllocationsNodeObject(allocations, deviceId); |
| 95 | return ok(mapper().writeValueAsString(root)).build(); |
| 96 | } catch (Exception e) { |
| 97 | log.error("Error while fetching DhcpL2Relay allocations information through REST API: {}", e.getMessage()); |
| 98 | return Response.status(INTERNAL_SERVER_ERROR).build(); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | private void buildAllocationsNodeObject(Map<String, DhcpAllocationInfo> allocationMap, String strDeviceId) { |
| 103 | if (Objects.nonNull(strDeviceId)) { |
| 104 | DeviceId deviceId = DeviceId.deviceId(strDeviceId); |
| 105 | allocationMap = allocationMap.entrySet().stream() |
| 106 | .filter(a -> a.getValue().location().deviceId().equals(deviceId)) |
| 107 | .collect(Collectors.toMap(Entry::getKey, Entry::getValue)); |
| 108 | } |
| 109 | |
| 110 | allocationMap.forEach((key, value) -> { |
| 111 | node.add(encodeDhcpAllocationInfo(value)); |
| 112 | }); |
| 113 | } |
| 114 | |
| 115 | private ObjectNode encodeDhcpAllocationInfo(DhcpAllocationInfo entry) { |
| 116 | return mapper().createObjectNode() |
| 117 | .put(SUBSCRIBER_ID, entry.subscriberId()) |
| 118 | .put(CONNECT_POINT, entry.location().toString()) |
| 119 | .put(STATE, entry.type().toString()) |
| 120 | .put(MAC_ADDRESS, entry.macAddress().toString()) |
| 121 | .put(VLAN_ID, entry.vlanId().toShort()) |
| 122 | .put(CIRCUIT_ID, entry.circuitId()) |
| 123 | .put(IP_ALLOCATED, entry.ipAddress().getIp4Address().toString()) |
| 124 | .put(ALLOCATION_TIMESTAMP, entry.allocationTime().toString()); |
| 125 | } |
| 126 | } |