PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [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 | */ |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 16 | package org.onosproject.isis.io.isispacket.tlv.subtlv; |
| 17 | |
| 18 | import com.google.common.base.MoreObjects; |
| 19 | import com.google.common.primitives.Bytes; |
| 20 | import org.jboss.netty.buffer.ChannelBuffer; |
| 21 | import org.onlab.packet.Ip4Address; |
| 22 | import org.onosproject.isis.io.isispacket.tlv.TlvHeader; |
| 23 | import org.onosproject.isis.io.util.IsisUtil; |
| 24 | import org.slf4j.Logger; |
| 25 | import org.slf4j.LoggerFactory; |
| 26 | |
| 27 | import java.util.ArrayList; |
| 28 | import java.util.List; |
| 29 | |
| 30 | /** |
| 31 | * Representation of interface ip address TE value. |
| 32 | */ |
| 33 | public class InterfaceIpAddress extends TlvHeader implements TrafficEngineeringSubTlv { |
| 34 | private static final Logger log = |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 35 | LoggerFactory.getLogger(NeighborIpAddress.class); |
| 36 | private Ip4Address localInterfaceIPAddress; |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 37 | |
| 38 | /** |
| 39 | * Creates an instance of local interface ip address. |
| 40 | * |
| 41 | * @param header tlv header instance |
| 42 | */ |
| 43 | public InterfaceIpAddress(TlvHeader header) { |
| 44 | this.setTlvType(header.tlvType()); |
| 45 | this.setTlvLength(header.tlvLength()); |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Adds local interface ip address. |
| 50 | * |
| 51 | * @param localAddress ip address |
| 52 | */ |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 53 | public void setIpAddress(Ip4Address localAddress) { |
| 54 | this.localInterfaceIPAddress = localAddress; |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | /** |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 58 | * Gets local interface ip address. |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 59 | * |
| 60 | * @return localAddress ip address |
| 61 | */ |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 62 | public Ip4Address localInterfaceIPAddress() { |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 63 | return localInterfaceIPAddress; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Reads bytes from channel buffer. |
| 68 | * |
| 69 | * @param channelBuffer channel buffer instance |
| 70 | */ |
| 71 | public void readFrom(ChannelBuffer channelBuffer) { |
| 72 | while (channelBuffer.readableBytes() >= IsisUtil.FOUR_BYTES) { |
| 73 | byte[] tempByteArray = new byte[IsisUtil.FOUR_BYTES]; |
| 74 | channelBuffer.readBytes(tempByteArray, 0, IsisUtil.FOUR_BYTES); |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 75 | this.setIpAddress(Ip4Address.valueOf(tempByteArray)); |
| 76 | |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 77 | } |
| 78 | } |
| 79 | |
| 80 | /** |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 81 | * Gets local interface ip address as byte array. |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 82 | * |
| 83 | * @return local interface ip address as byte array |
| 84 | */ |
| 85 | public byte[] asBytes() { |
| 86 | byte[] linkSubType = null; |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 87 | |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 88 | byte[] linkSubTlvHeader = tlvHeaderAsByteArray(); |
| 89 | byte[] linkSubTlvBody = tlvBodyAsBytes(); |
| 90 | linkSubType = Bytes.concat(linkSubTlvHeader, linkSubTlvBody); |
| 91 | |
| 92 | return linkSubType; |
| 93 | } |
| 94 | |
| 95 | /** |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 96 | * Gets byte array of local interface ip address. |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 97 | * |
| 98 | * @return byte array of local interface ip address |
| 99 | */ |
| 100 | public byte[] tlvBodyAsBytes() { |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 101 | |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 102 | List<Byte> linkSubTypeBody = new ArrayList<>(); |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 103 | |
| 104 | linkSubTypeBody.addAll(Bytes.asList(this.localInterfaceIPAddress.toOctets())); |
| 105 | |
PRASHANTH SHIVANANJAPPA | 491b8af | 2016-04-27 19:23:24 +0530 | [diff] [blame] | 106 | |
| 107 | return Bytes.toArray(linkSubTypeBody); |
| 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public String toString() { |
| 112 | return MoreObjects.toStringHelper(getClass()) |
| 113 | .omitNullValues() |
| 114 | .add("localInterfaceIPAddress", localInterfaceIPAddress) |
| 115 | .toString(); |
| 116 | } |
sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame] | 117 | } |