bharat saraswal | f7364db | 2015-08-11 13:39:31 +0530 | [diff] [blame] | 1 | /*
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| 2 | * Copyright 2015 Open Networking Laboratory
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | package org.onosproject.pcepio.types;
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| 18 |
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| 19 | import java.util.Objects;
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| 20 |
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| 21 | import org.jboss.netty.buffer.ChannelBuffer;
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| 22 | import org.onosproject.pcepio.protocol.PcepVersion;
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| 23 | import org.slf4j.Logger;
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| 24 | import org.slf4j.LoggerFactory;
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| 25 |
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| 26 | import com.google.common.base.MoreObjects;
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| 27 |
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| 28 | /**
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| 29 | * Provides StatefulIPv4LspIdentidiersTlv.
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| 30 | */
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| 31 | public class StatefulIPv4LspIdentidiersTlv implements PcepValueType {
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| 32 |
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| 33 | /* IPV4-LSP-IDENTIFIERS TLV format
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| 34 | *
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| 35 | * Reference :PCEP Extensions for Stateful PCE draft-ietf-pce-stateful-pce-10
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| 36 | *
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| 37 |
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| 38 | 0 1 2 3
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| 39 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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| 40 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 41 | | Type=18 | Length=16 |
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| 42 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 43 | | IPv4 Tunnel Sender Address |
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| 44 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 45 | | LSP ID | Tunnel ID |
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| 46 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 47 | | Extended Tunnel ID |
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| 48 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 49 | | IPv4 Tunnel Endpoint Address |
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| 50 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 51 |
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| 52 | */
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| 53 | protected static final Logger log = LoggerFactory.getLogger(StatefulIPv4LspIdentidiersTlv.class);
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| 54 |
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| 55 | public static final short TYPE = 18;
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| 56 | public static final short LENGTH = 16;
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| 57 | public static final int VALUE_LENGTH = 16;
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| 58 | private final int ipv4IngressAddress;
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| 59 | private final short lspId;
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| 60 | private final short tunnelId;
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| 61 | private final int extendedTunnelId;
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| 62 | private final int ipv4EgressAddress;
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| 63 |
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| 64 | /**
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| 65 | * Constructor to initialize member variables.
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| 66 | *
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| 67 | * @param ipv4IngressAddress ingress ipv4 address
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| 68 | * @param lspId lsp id
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| 69 | * @param tunnelId tunnel id
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| 70 | * @param extendedTunnelId extended tunnel id
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| 71 | * @param ipv4EgressAddress egress ipv4 address
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| 72 | */
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| 73 | public StatefulIPv4LspIdentidiersTlv(int ipv4IngressAddress, short lspId, short tunnelId, int extendedTunnelId,
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| 74 | int ipv4EgressAddress) {
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| 75 |
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| 76 | this.ipv4IngressAddress = ipv4IngressAddress;
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| 77 | this.lspId = lspId;
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| 78 | this.tunnelId = tunnelId;
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| 79 | this.extendedTunnelId = extendedTunnelId;
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| 80 | this.ipv4EgressAddress = ipv4EgressAddress;
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| 81 | }
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| 82 |
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| 83 | /**
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| 84 | * Creates object of StatefulIPv4LspIdentidiersTlv.
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| 85 | *
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| 86 | * @param ipv4IngressAddress ingress ipv4 address
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| 87 | * @param lspId lsp id
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| 88 | * @param tunnelId tunnel id
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| 89 | * @param extendedTunnelId extended tunnel id
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| 90 | * @param ipv4EgressAddress egress ipv4 address
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| 91 | * @return object of StatefulIPv4LspIdentidiersTlv
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| 92 | */
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| 93 | public static StatefulIPv4LspIdentidiersTlv of(int ipv4IngressAddress, short lspId, short tunnelId,
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| 94 | int extendedTunnelId, int ipv4EgressAddress) {
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| 95 | return new StatefulIPv4LspIdentidiersTlv(ipv4IngressAddress, lspId, tunnelId, extendedTunnelId,
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| 96 | ipv4EgressAddress);
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| 97 | }
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| 98 |
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| 99 | /**
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| 100 | * Returns tunnel id.
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| 101 | *
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| 102 | * @return tunnelId
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| 103 | */
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| 104 | public short getTunnelId() {
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| 105 | return this.tunnelId;
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| 106 | }
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| 107 |
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| 108 | /**
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| 109 | * Returns extendedTunnelId.
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| 110 | *
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| 111 | * @return extendedTunnelId
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| 112 | */
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| 113 | public int getextendedTunnelId() {
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| 114 | return this.extendedTunnelId;
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| 115 | }
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| 116 |
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| 117 | @Override
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| 118 | public PcepVersion getVersion() {
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| 119 | return PcepVersion.PCEP_1;
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| 120 | }
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| 121 |
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| 122 | /**
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| 123 | * Returns ipv4IngressAddress.
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| 124 | *
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| 125 | * @return ipv4IngressAddress
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| 126 | */
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| 127 | public int getIpv4IngressAddress() {
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| 128 | return ipv4IngressAddress;
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| 129 | }
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| 130 |
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| 131 | /**
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| 132 | * Returns ipv4EgressAddress.
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| 133 | *
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| 134 | * @return ipv4EgressAddress
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| 135 | */
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| 136 | public int getIpv4EgressAddress() {
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| 137 | return ipv4EgressAddress;
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| 138 | }
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| 139 |
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| 140 | @Override
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| 141 | public short getType() {
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| 142 | return TYPE;
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| 143 | }
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| 144 |
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| 145 | @Override
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| 146 | public short getLength() {
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| 147 | return LENGTH;
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| 148 | }
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| 149 |
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| 150 | @Override
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| 151 | public int hashCode() {
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| 152 | return Objects.hash(ipv4IngressAddress, lspId, tunnelId, extendedTunnelId, ipv4EgressAddress);
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| 153 | }
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| 154 |
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| 155 | @Override
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| 156 | public boolean equals(Object obj) {
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| 157 | if (this == obj) {
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| 158 | return true;
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| 159 | }
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| 160 | if (obj instanceof StatefulIPv4LspIdentidiersTlv) {
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| 161 | StatefulIPv4LspIdentidiersTlv other = (StatefulIPv4LspIdentidiersTlv) obj;
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| 162 | return Objects.equals(this.ipv4IngressAddress, other.ipv4IngressAddress)
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| 163 | && Objects.equals(this.lspId, other.lspId) && Objects.equals(this.tunnelId, other.tunnelId)
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| 164 | && Objects.equals(this.extendedTunnelId, other.extendedTunnelId)
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| 165 | && Objects.equals(this.ipv4EgressAddress, other.ipv4EgressAddress);
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| 166 | }
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| 167 | return false;
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| 168 | }
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| 169 |
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| 170 | @Override
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| 171 | public int write(ChannelBuffer c) {
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| 172 | int iLenStartIndex = c.writerIndex();
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| 173 | c.writeShort(TYPE);
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| 174 | c.writeShort(LENGTH);
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| 175 | c.writeInt(ipv4IngressAddress);
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| 176 | c.writeShort(lspId);
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| 177 | c.writeShort(tunnelId);
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| 178 | c.writeInt(extendedTunnelId);
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| 179 | c.writeInt(ipv4EgressAddress);
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| 180 |
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| 181 | return c.writerIndex() - iLenStartIndex;
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| 182 | }
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| 183 |
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| 184 | /**
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| 185 | * Reads the channel buffer and returns object of StatefulIPv4LspIdentidiersTlv.
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| 186 | *
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| 187 | * @param c of type channel buffer
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| 188 | * @return object of StatefulIPv4LspIdentidiersTlv
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| 189 | */
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| 190 | public static PcepValueType read(ChannelBuffer c) {
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| 191 | int ipv4IngressAddress = c.readInt();
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| 192 | short lspId = c.readShort();
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| 193 | short tunnelId = c.readShort();
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| 194 | int extendedTunnelId = c.readInt();
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| 195 | int ipv4EgressAddress = c.readInt();
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| 196 | return new StatefulIPv4LspIdentidiersTlv(ipv4IngressAddress, lspId, tunnelId, extendedTunnelId,
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| 197 | ipv4EgressAddress);
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| 198 | }
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| 199 |
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| 200 | @Override
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bharat saraswal | f7364db | 2015-08-11 13:39:31 +0530 | [diff] [blame] | 201 | public String toString() {
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| 202 | return MoreObjects.toStringHelper(getClass())
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| 203 | .add("Type:", TYPE)
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| 204 | .add("Length:", LENGTH)
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| 205 | .add("Ipv4IngressAddress:", ipv4IngressAddress)
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bharat saraswal | e180630 | 2015-08-21 12:16:46 +0530 | [diff] [blame] | 206 | .add("LspId:", lspId).add("TunnelId:", tunnelId)
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bharat saraswal | f7364db | 2015-08-11 13:39:31 +0530 | [diff] [blame] | 207 | .add("ExtendedTunnelId:", extendedTunnelId)
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bharat saraswal | e180630 | 2015-08-21 12:16:46 +0530 | [diff] [blame] | 208 | .add("Ipv4EgressAddress:", ipv4EgressAddress).toString();
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bharat saraswal | f7364db | 2015-08-11 13:39:31 +0530 | [diff] [blame] | 209 | }
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| 210 | }
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