sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2016-present 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 | package org.onosproject.isis.io.isispacket.tlv.subtlv; |
| 17 | |
| 18 | import com.google.common.base.MoreObjects; |
| 19 | import com.google.common.base.Objects; |
| 20 | import com.google.common.primitives.Bytes; |
| 21 | import org.jboss.netty.buffer.ChannelBuffer; |
| 22 | import org.onlab.packet.Ip4Address; |
| 23 | import org.onosproject.isis.io.isispacket.tlv.TlvHeader; |
| 24 | import org.onosproject.isis.io.util.IsisUtil; |
| 25 | import org.slf4j.Logger; |
| 26 | import org.slf4j.LoggerFactory; |
| 27 | |
| 28 | import java.util.ArrayList; |
| 29 | import java.util.List; |
| 30 | |
| 31 | /** |
| 32 | * Representation of neighbor ip address TE value. |
| 33 | */ |
| 34 | public class NeighborIpAddress extends TlvHeader implements TrafficEngineeringSubTlv { |
| 35 | private static final Logger log = |
| 36 | LoggerFactory.getLogger(NeighborIpAddress.class); |
| 37 | private Ip4Address neighborIPAddress; |
| 38 | |
| 39 | /** |
| 40 | * Creates an instance of neighbor ip address. |
| 41 | * |
| 42 | * @param header tlv header instance |
| 43 | */ |
| 44 | public NeighborIpAddress(TlvHeader header) { |
| 45 | this.setTlvType(header.tlvType()); |
| 46 | this.setTlvLength(header.tlvLength()); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Sets the neighbor ip address. |
| 51 | * |
| 52 | * @param neighborIPAddress ip address |
| 53 | */ |
| 54 | public void setIpAddress(Ip4Address neighborIPAddress) { |
| 55 | this.neighborIPAddress = neighborIPAddress; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Gets the neighbor ip address. |
| 60 | * |
| 61 | * @return neighbor ip address |
| 62 | */ |
| 63 | public Ip4Address neighborIPAddress() { |
| 64 | return neighborIPAddress; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Reads bytes from channel buffer. |
| 69 | * |
| 70 | * @param channelBuffer channel buffer instance |
| 71 | */ |
| 72 | public void readFrom(ChannelBuffer channelBuffer) { |
| 73 | while (channelBuffer.readableBytes() >= IsisUtil.FOUR_BYTES) { |
| 74 | byte[] tempByteArray = new byte[IsisUtil.FOUR_BYTES]; |
| 75 | channelBuffer.readBytes(tempByteArray, 0, IsisUtil.FOUR_BYTES); |
| 76 | this.setIpAddress(Ip4Address.valueOf(tempByteArray)); |
| 77 | |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Gets the neighbor ip address as byte array. |
| 83 | * |
| 84 | * @return neighbor ip address as byte array |
| 85 | */ |
| 86 | public byte[] asBytes() { |
| 87 | byte[] linkSubType = null; |
| 88 | |
| 89 | byte[] linkSubTlvHeader = tlvHeaderAsByteArray(); |
| 90 | byte[] linkSubTlvBody = tlvBodyAsBytes(); |
| 91 | linkSubType = Bytes.concat(linkSubTlvHeader, linkSubTlvBody); |
| 92 | |
| 93 | return linkSubType; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Gets byte array of neighborIPAddress. |
| 98 | * |
| 99 | * @return byte array of neighborIPAddress |
| 100 | */ |
| 101 | public byte[] tlvBodyAsBytes() { |
| 102 | |
| 103 | List<Byte> linkSubTypeBody = new ArrayList<>(); |
| 104 | |
| 105 | linkSubTypeBody.addAll(Bytes.asList(this.neighborIPAddress.toOctets())); |
| 106 | |
| 107 | |
| 108 | return Bytes.toArray(linkSubTypeBody); |
| 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public boolean equals(Object o) { |
| 113 | if (this == o) { |
| 114 | return true; |
| 115 | } |
| 116 | if (o == null || getClass() != o.getClass()) { |
| 117 | return false; |
| 118 | } |
| 119 | NeighborIpAddress that = (NeighborIpAddress) o; |
| 120 | return Objects.equal(neighborIPAddress, that.neighborIPAddress); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public int hashCode() { |
| 125 | return Objects.hashCode(neighborIPAddress); |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public String toString() { |
| 130 | return MoreObjects.toStringHelper(getClass()) |
| 131 | .omitNullValues() |
| 132 | .add("localInterfaceIPAddress", neighborIPAddress) |
| 133 | .toString(); |
| 134 | } |
| 135 | } |