| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.pcepio.types; |
| |
| import java.util.Objects; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.onosproject.pcepio.protocol.PcepVersion; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * Provides StatefulIPv4LspIdentidiersTlv. |
| */ |
| public class StatefulIPv4LspIdentifiersTlv implements PcepValueType { |
| |
| /* IPV4-LSP-IDENTIFIERS TLV format |
| * |
| * Reference :PCEP Extensions for Stateful PCE draft-ietf-pce-stateful-pce-10 |
| * |
| |
| 0 1 2 3 |
| 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 |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Type=18 | Length=16 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | IPv4 Tunnel Sender Address | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | LSP ID | Tunnel ID | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Extended Tunnel ID | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | IPv4 Tunnel Endpoint Address | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| |
| */ |
| protected static final Logger log = LoggerFactory.getLogger(StatefulIPv4LspIdentifiersTlv.class); |
| |
| public static final short TYPE = 18; |
| public static final short LENGTH = 16; |
| public static final int VALUE_LENGTH = 16; |
| private final int ipv4IngressAddress; |
| private final short lspId; |
| private final short tunnelId; |
| private final int extendedTunnelId; |
| private final int ipv4EgressAddress; |
| |
| /** |
| * Constructor to initialize member variables. |
| * |
| * @param ipv4IngressAddress ingress ipv4 address |
| * @param lspId lsp id |
| * @param tunnelId tunnel id |
| * @param extendedTunnelId extended tunnel id |
| * @param ipv4EgressAddress egress ipv4 address |
| */ |
| public StatefulIPv4LspIdentifiersTlv(int ipv4IngressAddress, short lspId, short tunnelId, int extendedTunnelId, |
| int ipv4EgressAddress) { |
| |
| this.ipv4IngressAddress = ipv4IngressAddress; |
| this.lspId = lspId; |
| this.tunnelId = tunnelId; |
| this.extendedTunnelId = extendedTunnelId; |
| this.ipv4EgressAddress = ipv4EgressAddress; |
| } |
| |
| /** |
| * Creates object of StatefulIPv4LspIdentidiersTlv. |
| * |
| * @param ipv4IngressAddress ingress ipv4 address |
| * @param lspId lsp id |
| * @param tunnelId tunnel id |
| * @param extendedTunnelId extended tunnel id |
| * @param ipv4EgressAddress egress ipv4 address |
| * @return object of StatefulIPv4LspIdentidiersTlv |
| */ |
| public static StatefulIPv4LspIdentifiersTlv of(int ipv4IngressAddress, short lspId, short tunnelId, |
| int extendedTunnelId, int ipv4EgressAddress) { |
| return new StatefulIPv4LspIdentifiersTlv(ipv4IngressAddress, lspId, tunnelId, extendedTunnelId, |
| ipv4EgressAddress); |
| } |
| |
| /** |
| * Returns tunnel id. |
| * |
| * @return tunnelId |
| */ |
| public short getTunnelId() { |
| return this.tunnelId; |
| } |
| |
| /** |
| * Returns LSP id. |
| * |
| * @return lspId |
| */ |
| public short getLspId() { |
| return this.lspId; |
| } |
| |
| /** |
| * Returns extendedTunnelId. |
| * |
| * @return extendedTunnelId |
| */ |
| public int getextendedTunnelId() { |
| return this.extendedTunnelId; |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| /** |
| * Returns ipv4IngressAddress. |
| * |
| * @return ipv4IngressAddress |
| */ |
| public int getIpv4IngressAddress() { |
| return ipv4IngressAddress; |
| } |
| |
| /** |
| * Returns ipv4EgressAddress. |
| * |
| * @return ipv4EgressAddress |
| */ |
| public int getIpv4EgressAddress() { |
| return ipv4EgressAddress; |
| } |
| |
| @Override |
| public short getType() { |
| return TYPE; |
| } |
| |
| @Override |
| public short getLength() { |
| return LENGTH; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(ipv4IngressAddress, lspId, tunnelId, extendedTunnelId, ipv4EgressAddress); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof StatefulIPv4LspIdentifiersTlv) { |
| StatefulIPv4LspIdentifiersTlv other = (StatefulIPv4LspIdentifiersTlv) obj; |
| return Objects.equals(this.ipv4IngressAddress, other.ipv4IngressAddress) |
| && Objects.equals(this.lspId, other.lspId) && Objects.equals(this.tunnelId, other.tunnelId) |
| && Objects.equals(this.extendedTunnelId, other.extendedTunnelId) |
| && Objects.equals(this.ipv4EgressAddress, other.ipv4EgressAddress); |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iLenStartIndex = c.writerIndex(); |
| c.writeShort(TYPE); |
| c.writeShort(LENGTH); |
| c.writeInt(ipv4IngressAddress); |
| c.writeShort(lspId); |
| c.writeShort(tunnelId); |
| c.writeInt(extendedTunnelId); |
| c.writeInt(ipv4EgressAddress); |
| |
| return c.writerIndex() - iLenStartIndex; |
| } |
| |
| /** |
| * Reads the channel buffer and returns object of StatefulIPv4LspIdentidiersTlv. |
| * |
| * @param c of type channel buffer |
| * @return object of StatefulIPv4LspIdentidiersTlv |
| */ |
| public static PcepValueType read(ChannelBuffer c) { |
| int ipv4IngressAddress = c.readInt(); |
| short lspId = c.readShort(); |
| short tunnelId = c.readShort(); |
| int extendedTunnelId = c.readInt(); |
| int ipv4EgressAddress = c.readInt(); |
| return new StatefulIPv4LspIdentifiersTlv(ipv4IngressAddress, lspId, tunnelId, extendedTunnelId, |
| ipv4EgressAddress); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("Type:", TYPE) |
| .add("Length:", LENGTH) |
| .add("Ipv4IngressAddress:", ipv4IngressAddress) |
| .add("LspId:", lspId).add("TunnelId:", tunnelId) |
| .add("ExtendedTunnelId:", extendedTunnelId) |
| .add("Ipv4EgressAddress:", ipv4EgressAddress).toString(); |
| } |
| } |