| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * 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.incubator.net.config.basics; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.Sets; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.config.Config; |
| import org.onosproject.net.host.InterfaceIpAddress; |
| |
| import java.util.Set; |
| |
| /** |
| * Configuration for interfaces. |
| */ |
| @Beta |
| public class InterfaceConfig extends Config<ConnectPoint> { |
| public static final String IPS = "ips"; |
| public static final String MAC = "mac"; |
| public static final String VLAN = "vlan"; |
| |
| public static final String MAC_MISSING_ERROR = "Must have a MAC address for each interface"; |
| public static final String CONFIG_VALUE_ERROR = "Error parsing config value"; |
| |
| /** |
| * Retrieves all interfaces configured on this port. |
| * |
| * @return set of interfaces |
| * @throws ConfigException if there is any error in the JSON config |
| */ |
| public Set<Interface> getInterfaces() throws ConfigException { |
| Set<Interface> interfaces = Sets.newHashSet(); |
| |
| try { |
| for (JsonNode intfNode : array) { |
| Set<InterfaceIpAddress> ips = getIps(intfNode); |
| |
| if (intfNode.path(MAC).isMissingNode()) { |
| throw new ConfigException(MAC_MISSING_ERROR); |
| } |
| |
| MacAddress mac = MacAddress.valueOf(intfNode.path(MAC).asText()); |
| |
| VlanId vlan = getVlan(intfNode); |
| |
| interfaces.add(new Interface(subject, ips, mac, vlan)); |
| } |
| } catch (IllegalArgumentException e) { |
| throw new ConfigException(CONFIG_VALUE_ERROR, e); |
| } |
| |
| return interfaces; |
| } |
| |
| /** |
| * Adds an interface to the config. |
| * |
| * @param intf interface to add |
| */ |
| public void addInterface(Interface intf) { |
| ObjectNode intfNode = array.addObject(); |
| intfNode.put(MAC, intf.mac().toString()); |
| |
| if (!intf.ipAddresses().isEmpty()) { |
| intfNode.set(IPS, putIps(intf.ipAddresses())); |
| } |
| |
| if (!intf.vlan().equals(VlanId.NONE)) { |
| intfNode.put(VLAN, intf.vlan().toString()); |
| } |
| } |
| |
| /** |
| * Removes an interface from the config. |
| * |
| * @param intf interface to remove |
| */ |
| public void removeInterface(Interface intf) { |
| for (int i = 0; i < array.size(); i++) { |
| if (intf.vlan().equals(getVlan(node))) { |
| array.remove(i); |
| break; |
| } |
| } |
| } |
| |
| private VlanId getVlan(JsonNode node) { |
| VlanId vlan = VlanId.NONE; |
| if (!node.path(VLAN).isMissingNode()) { |
| vlan = VlanId.vlanId(Short.valueOf(node.path(VLAN).asText())); |
| } |
| return vlan; |
| } |
| |
| private Set<InterfaceIpAddress> getIps(JsonNode node) { |
| Set<InterfaceIpAddress> ips = Sets.newHashSet(); |
| |
| JsonNode ipsNode = node.get(IPS); |
| if (ipsNode != null) { |
| ipsNode.forEach(jsonNode -> |
| ips.add(InterfaceIpAddress.valueOf(jsonNode.asText()))); |
| } |
| |
| return ips; |
| } |
| |
| private ArrayNode putIps(Set<InterfaceIpAddress> intfIpAddresses) { |
| ArrayNode ipArray = mapper.createArrayNode(); |
| |
| intfIpAddresses.forEach(i -> ipArray.add(i.toString())); |
| |
| return ipArray; |
| } |
| |
| } |