Andreas Papazois | a9964ea | 2016-01-08 15:58:22 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014-2015 Open Networking Laboratory |
| 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 | |
| 17 | package org.onosproject.sdxl3.config; |
| 18 | |
| 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 20 | import com.google.common.collect.Sets; |
| 21 | import org.onlab.packet.IpAddress; |
| 22 | import org.onosproject.core.ApplicationId; |
| 23 | import org.onosproject.net.config.Config; |
| 24 | |
| 25 | import java.util.Objects; |
| 26 | import java.util.Optional; |
| 27 | import java.util.Set; |
| 28 | |
| 29 | import static com.google.common.base.Preconditions.checkNotNull; |
| 30 | |
| 31 | public class BgpPeersConfig extends Config<ApplicationId> { |
| 32 | public static final String NAME = "name"; |
| 33 | public static final String IP = "ip"; |
| 34 | public static final String INTERFACE = "interface"; |
| 35 | |
| 36 | /** |
| 37 | * Gets the set of configured BGP peers. |
| 38 | * |
| 39 | * @return BGP peers |
| 40 | */ |
| 41 | public Set<PeerConfig> bgpPeers() { |
| 42 | Set<PeerConfig> peers = Sets.newHashSet(); |
| 43 | |
| 44 | ArrayNode peersNode = array; |
| 45 | peersNode.forEach(jsonNode -> { |
| 46 | Optional<String> name; |
| 47 | if (jsonNode.get(NAME) == null) { |
| 48 | name = Optional.empty(); |
| 49 | } else { |
| 50 | name = Optional.of(jsonNode.get(NAME).asText()); |
| 51 | } |
| 52 | |
| 53 | peers.add(new PeerConfig(name, |
| 54 | IpAddress.valueOf(jsonNode.path(IP).asText()), |
| 55 | jsonNode.path(INTERFACE).asText())); |
| 56 | }); |
| 57 | |
| 58 | return peers; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Gets the interface name configured for a given BGP peer. |
| 63 | * |
| 64 | * @param peerAddress IP address of the peer |
| 65 | * @return interface name |
| 66 | */ |
| 67 | |
| 68 | public String getInterfaceNameForPeer(IpAddress peerAddress) { |
| 69 | Optional<PeerConfig> match = bgpPeers() |
| 70 | .stream() |
| 71 | .filter(p -> p.ip().equals(peerAddress)) |
| 72 | .findAny(); |
| 73 | |
| 74 | if (match.isPresent()) { |
| 75 | return match.get().interfaceName(); |
| 76 | } else { |
| 77 | return null; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | |
| 82 | /** |
| 83 | * Configuration for a BGP peer. |
| 84 | */ |
| 85 | public static class PeerConfig { |
| 86 | |
| 87 | private Optional<String> name; |
| 88 | private IpAddress ip; |
| 89 | private String interfaceName; |
| 90 | |
| 91 | public PeerConfig(Optional<String> name, IpAddress ip, String interfaceName) { |
| 92 | this.name = checkNotNull(name); |
| 93 | this.ip = checkNotNull(ip); |
| 94 | this.interfaceName = checkNotNull(interfaceName); |
| 95 | } |
| 96 | |
| 97 | public Optional<String> name() { |
| 98 | return name; |
| 99 | } |
| 100 | |
| 101 | public IpAddress ip() { |
| 102 | return ip; |
| 103 | } |
| 104 | |
| 105 | public String interfaceName() { |
| 106 | return interfaceName; |
| 107 | } |
| 108 | |
| 109 | @Override |
| 110 | public boolean equals(Object obj) { |
| 111 | if (this == obj) { |
| 112 | return true; |
| 113 | } |
| 114 | if (obj instanceof PeerConfig) { |
| 115 | final PeerConfig that = (PeerConfig) obj; |
| 116 | return Objects.equals(this.name, that.name) && |
| 117 | Objects.equals(this.ip, that.ip) && |
| 118 | Objects.equals(this.interfaceName, that.interfaceName); |
| 119 | } |
| 120 | return false; |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public int hashCode() { |
| 125 | return Objects.hash(name, ip, interfaceName); |
| 126 | } |
| 127 | } |
| 128 | } |