| mohamed rahil | e04626f | 2016-04-05 20:42:53 +0530 | [diff] [blame] | 1 | /* |
| Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame^] | 2 | * Copyright 2016-present Open Networking Laboratory |
| mohamed rahil | e04626f | 2016-04-05 20:42:53 +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 | */ |
| 16 | package org.onosproject.isis.io.isispacket.tlv; |
| 17 | |
| 18 | import io.netty.buffer.ByteBuf; |
| 19 | import org.onosproject.isis.io.util.IsisUtil; |
| 20 | |
| 21 | /** |
| 22 | * Represents TLV finder. |
| 23 | */ |
| 24 | public class TlvFinder extends TlvHeader { |
| 25 | |
| 26 | /** |
| 27 | * Sets the value for TLV header and the body of the TLV. |
| 28 | * |
| 29 | * @param tlvHeader tlvHeader |
| 30 | * @param byteBuf byteBuf |
| 31 | * @return isisTlv ISIS TLV |
| 32 | */ |
| 33 | public static IsisTlv findTlv(TlvHeader tlvHeader, ByteBuf byteBuf) { |
| 34 | |
| 35 | IsisTlv isisTlv = null; |
| 36 | |
| 37 | switch (tlvHeader.tlvType()) { |
| 38 | case IsisUtil.AREAADDRESS: |
| 39 | AreaAddressTlv areaAddressTlv = new AreaAddressTlv(tlvHeader); |
| 40 | areaAddressTlv.readFrom(byteBuf); |
| 41 | isisTlv = areaAddressTlv; |
| 42 | break; |
| 43 | case IsisUtil.IPINTERFACEADDRESS: |
| 44 | IpInterfaceAddressTlv ipTlv = new IpInterfaceAddressTlv(tlvHeader); |
| 45 | ipTlv.readFrom(byteBuf); |
| 46 | isisTlv = ipTlv; |
| 47 | break; |
| 48 | case IsisUtil.PROTOCOLSUPPORTED: |
| 49 | ProtocolSupportedTlv psTlv = new ProtocolSupportedTlv(tlvHeader); |
| 50 | psTlv.readFrom(byteBuf); |
| 51 | isisTlv = psTlv; |
| 52 | break; |
| 53 | case IsisUtil.ISNEIGHBORS: |
| 54 | IsisNeighborTlv isisNeighborTlv = new IsisNeighborTlv(tlvHeader); |
| 55 | isisNeighborTlv.readFrom(byteBuf); |
| 56 | isisTlv = isisNeighborTlv; |
| 57 | break; |
| 58 | case IsisUtil.PADDING: |
| 59 | PaddingTlv paddingTlv = new PaddingTlv(tlvHeader); |
| 60 | paddingTlv.readFrom(byteBuf); |
| 61 | isisTlv = paddingTlv; |
| 62 | break; |
| 63 | default: |
| 64 | break; |
| 65 | } |
| 66 | |
| 67 | return isisTlv; |
| 68 | } |
| 69 | } |