| /* |
| * 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.dhcp.rest; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.dhcp.DhcpService; |
| import org.onosproject.dhcp.IpAssignment; |
| import org.onosproject.net.HostId; |
| import org.onosproject.rest.AbstractWebResource; |
| |
| 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.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Date; |
| import java.util.Map; |
| |
| import static org.onlab.util.Tools.readTreeFromStream; |
| import static org.onosproject.dhcp.IpAssignment.AssignmentStatus.Option_Requested; |
| |
| /** |
| * Manage DHCP address assignments. |
| */ |
| @Path("dhcp") |
| public class DhcpWebResource extends AbstractWebResource { |
| |
| private final DhcpService service = get(DhcpService.class); |
| |
| /** |
| * Get DHCP server configuration data. |
| * Shows lease, renewal and rebinding times in seconds. |
| * |
| * @return 200 OK |
| * @onos.rsModel DhcpConfigGet |
| */ |
| @GET |
| @Path("config") |
| public Response getConfigs() { |
| ObjectNode node = mapper().createObjectNode() |
| .put("leaseTime", service.getLeaseTime()) |
| .put("renewalTime", service.getRenewalTime()) |
| .put("rebindingTime", service.getRebindingTime()); |
| return ok(node).build(); |
| } |
| |
| /** |
| * Get all MAC/IP mappings. |
| * Shows all MAC/IP mappings held by the DHCP server. |
| * |
| * @onos.rsModel DhcpConfigGetMappings |
| * @return 200 OK |
| */ |
| @GET |
| @Path("mappings") |
| public Response listMappings() { |
| ObjectNode root = mapper().createObjectNode(); |
| |
| Map<HostId, IpAssignment> intents = service.listMapping(); |
| ArrayNode arrayNode = root.putArray("mappings"); |
| intents.entrySet().forEach(i -> arrayNode.add(mapper().createObjectNode() |
| .put("host", i.getKey().toString()) |
| .put("ip", i.getValue().ipAddress().toString()))); |
| |
| return ok(root).build(); |
| } |
| |
| |
| /** |
| * Get all available IPs. |
| * Shows all the IPs in the free pool of the DHCP Server. |
| * |
| * @onos.rsModel DhcpConfigGetAvailable |
| * @return 200 OK |
| */ |
| @GET |
| @Path("available") |
| public Response listAvailableIPs() { |
| Iterable<Ip4Address> availableIPList = service.getAvailableIPs(); |
| ObjectNode root = mapper().createObjectNode(); |
| ArrayNode arrayNode = root.putArray("availableIP"); |
| availableIPList.forEach(i -> arrayNode.add(i.toString())); |
| return ok(root).build(); |
| } |
| |
| /** |
| * Post a new static MAC/IP binding. |
| * Registers a static binding to the DHCP server, and displays the current set of bindings. |
| * |
| * @onos.rsModel DhcpConfigPut |
| * @param stream JSON stream |
| * @return 200 OK |
| */ |
| @POST |
| @Path("mappings") |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response setMapping(InputStream stream) { |
| ObjectNode root = mapper().createObjectNode(); |
| try { |
| ObjectNode jsonTree = readTreeFromStream(mapper(), stream); |
| JsonNode macID = jsonTree.get("mac"); |
| JsonNode ip = jsonTree.get("ip"); |
| if (macID != null && ip != null) { |
| IpAssignment ipAssignment = IpAssignment.builder() |
| .ipAddress(Ip4Address.valueOf(ip.asText())) |
| .leasePeriod(service.getLeaseTime()) |
| .timestamp(new Date()) |
| .assignmentStatus(Option_Requested) |
| .build(); |
| |
| if (!service.setStaticMapping(MacAddress.valueOf(macID.asText()), |
| ipAssignment)) { |
| throw new IllegalArgumentException("Static Mapping Failed. " + |
| "The IP maybe unavailable."); |
| } |
| } |
| |
| final Map<HostId, IpAssignment> intents = service.listMapping(); |
| ArrayNode arrayNode = root.putArray("mappings"); |
| intents.entrySet().forEach(i -> arrayNode.add(mapper().createObjectNode() |
| .put("host", i.getKey().toString()) |
| .put("ip", i.getValue().ipAddress().toString()))); |
| } catch (IOException e) { |
| throw new IllegalArgumentException(e.getMessage()); |
| } |
| return ok(root).build(); |
| } |
| |
| /** |
| * Delete a static MAC/IP binding. |
| * Removes a static binding from the DHCP Server, and displays the current set of bindings. |
| * |
| * @param macID mac address identifier |
| * @return 200 OK |
| */ |
| @DELETE |
| @Path("mappings/{macID}") |
| public Response deleteMapping(@PathParam("macID") String macID) { |
| ObjectNode root = mapper().createObjectNode(); |
| |
| if (!service.removeStaticMapping(MacAddress.valueOf(macID))) { |
| throw new IllegalArgumentException("Static Mapping Removal Failed."); |
| } |
| final Map<HostId, IpAssignment> intents = service.listMapping(); |
| ArrayNode arrayNode = root.putArray("mappings"); |
| intents.entrySet().forEach(i -> arrayNode.add(mapper().createObjectNode() |
| .put("host", i.getKey().toString()) |
| .put("ip", i.getValue().ipAddress().toString()))); |
| |
| return ok(root).build(); |
| } |
| } |