| /* |
| * Copyright 2014-2015 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.sdxl3.config; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.JsonNodeFactory; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.Sets; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.config.Config; |
| |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Configuration for the Service Providers being connected to the |
| * software defined internet exchange point. |
| */ |
| public class SdxProvidersConfig extends Config<ApplicationId> { |
| |
| public static final String PEERS = "bgpPeers"; |
| public static final String NAME = "name"; |
| public static final String IP = "ip"; |
| public static final String CONN_POINT = "connectPoint"; |
| public static final String INTF_NAME = "intfName"; |
| |
| /** |
| * Gets the set of configured BGP peers. |
| * |
| * @return BGP peers |
| */ |
| public Set<PeerConfig> bgpPeers() { |
| Set<PeerConfig> peers = Sets.newHashSet(); |
| |
| JsonNode peersNode = object.get(PEERS); |
| |
| if (peersNode == null) { |
| return peers; |
| } |
| peersNode.forEach(jsonNode -> { |
| Optional<String> name; |
| if (jsonNode.get(NAME) == null) { |
| name = Optional.empty(); |
| } else { |
| name = Optional.of(jsonNode.get(NAME).asText()); |
| } |
| |
| peers.add(new PeerConfig(name, |
| IpAddress.valueOf(jsonNode.path(IP).asText()), |
| ConnectPoint.deviceConnectPoint(jsonNode.path(CONN_POINT).asText()), |
| jsonNode.path(INTF_NAME).asText())); |
| }); |
| |
| return peers; |
| } |
| |
| /** |
| * Gets the connectPoint configured for a given BGP peer. |
| * |
| * @param peerAddress IP address of the peer |
| * @return connectPoint connection point |
| */ |
| |
| public ConnectPoint getPortForPeer(IpAddress peerAddress) { |
| Optional<PeerConfig> match = bgpPeers() |
| .stream() |
| .filter(p -> p.ip().equals(peerAddress)) |
| .findAny(); |
| |
| if (match.isPresent()) { |
| return match.get().connectPoint(); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Gets the interface name configured for a given BGP peer. |
| * |
| * @param peerAddress IP address of the peer |
| * @return interface name |
| */ |
| |
| public String getInterfaceNameForPeer(IpAddress peerAddress) { |
| Optional<PeerConfig> match = bgpPeers() |
| .stream() |
| .filter(p -> p.ip().equals(peerAddress)) |
| .findAny(); |
| |
| if (match.isPresent()) { |
| return match.get().interfaceName(); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Gets the BGP peer configured for a given peer name. |
| * |
| * @param peerName Name of the BGP peer |
| * @return Peer configuration or null |
| */ |
| |
| public PeerConfig getPeerForName(Optional<String> peerName) { |
| Optional<PeerConfig> match = bgpPeers() |
| .stream() |
| .filter(p -> p.name().equals(peerName)) |
| .findAny(); |
| |
| if (match.isPresent()) { |
| return match.get(); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Adds new BGP peer details to the configuration. |
| * |
| * @param peer BGP peer configuration entry |
| */ |
| |
| public void addPeer(PeerConfig peer) { |
| ObjectNode peerNode = JsonNodeFactory.instance.objectNode(); |
| |
| if (peer.name().isPresent()) { |
| peerNode.put(NAME, peer.name().get()); |
| } |
| peerNode.put(IP, peer.ip().toString()); |
| peerNode.put(CONN_POINT, peer.connectPoint().elementId().toString() |
| + "/" + peer.connectPoint().port().toString()); |
| peerNode.put(INTF_NAME, peer.interfaceName()); |
| |
| ArrayNode peersArray = bgpPeers().isEmpty() ? |
| initPeersConfiguration() : (ArrayNode) object.get(PEERS); |
| peersArray.add(peerNode); |
| } |
| |
| /** |
| * Gets the BGP peer configured for a given peer IP. |
| * |
| * @param ip Name of the BGP peer |
| * @return Peer configuration or null |
| */ |
| |
| public PeerConfig getPeerForIp(IpAddress ip) { |
| Optional<PeerConfig> match = bgpPeers() |
| .stream() |
| .filter(p -> p.ip().equals(ip)) |
| .findAny(); |
| |
| if (match.isPresent()) { |
| return match.get(); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Removes BGP peer details from configuration. |
| * |
| * @param peerIp BGP peer IP address |
| */ |
| public void removePeer(IpAddress peerIp) { |
| ArrayNode peersArray = (ArrayNode) object.get(PEERS); |
| |
| for (int i = 0; i < peersArray.size(); i++) { |
| if (peersArray.get(i).get(IP).asText().equals(peerIp.toString())) { |
| peersArray.remove(i); |
| return; |
| } |
| } |
| } |
| |
| /** |
| * Creates empty configuration for BGP peers details. |
| * |
| * @return empty array of BGP peers |
| */ |
| private ArrayNode initPeersConfiguration() { |
| return object.putArray(PEERS); |
| } |
| |
| /** |
| * Configuration for a BGP peer. |
| */ |
| public static class PeerConfig { |
| |
| private Optional<String> name; |
| private IpAddress ip; |
| private ConnectPoint connectPoint; |
| private String interfaceName; |
| |
| public PeerConfig(Optional<String> name, |
| IpAddress ip, |
| ConnectPoint connectPoint, |
| String interfaceName) { |
| this.name = checkNotNull(name); |
| this.ip = checkNotNull(ip); |
| // It can be null only for printout entries |
| this.connectPoint = connectPoint; |
| this.interfaceName = checkNotNull(interfaceName); |
| } |
| |
| public Optional<String> name() { |
| return name; |
| } |
| |
| public IpAddress ip() { |
| return ip; |
| } |
| |
| public ConnectPoint connectPoint() { |
| return connectPoint; |
| } |
| |
| public String interfaceName() { |
| return interfaceName; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof PeerConfig) { |
| final PeerConfig that = (PeerConfig) obj; |
| return Objects.equals(this.name, that.name) && |
| Objects.equals(this.ip, that.ip) && |
| Objects.equals(this.connectPoint, that.connectPoint) && |
| Objects.equals(this.interfaceName, that.interfaceName); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(name, ip, connectPoint, interfaceName); |
| } |
| } |
| } |