*/
package org.opendaylight.protocol.pcep.ietf.stateful07;
-import org.opendaylight.protocol.concepts.Ipv6Util;
-import org.opendaylight.protocol.pcep.impl.tlv.TlvUtil;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeIpv6Address;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeShort;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedShort;
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
import org.opendaylight.protocol.pcep.spi.TlvParser;
import org.opendaylight.protocol.pcep.spi.TlvSerializer;
-import org.opendaylight.protocol.util.ByteArray;
+import org.opendaylight.protocol.pcep.spi.TlvUtil;
+import org.opendaylight.protocol.util.Ipv6Util;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.LspIdentifiers;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.LspIdentifiersBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.AddressFamily;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.Ipv6ExtendedTunnelId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.LspId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev130820.TunnelId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.Ipv6ExtendedTunnelId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.LspId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.TunnelId;
/**
* Parser for {@link LspIdentifiers}
*/
public final class Stateful07LSPIdentifierIpv6TlvParser implements TlvParser, TlvSerializer {
- public static final int TYPE = 19;
+ public static final int TYPE = 19;
- private static final int IP6_F_LENGTH = 16;
- private static final int EX_TUNNEL_ID6_F_LENGTH = 16;
+ private static final int V6_LENGTH = 52;
- private static final int LSP_ID_F_LENGTH = 2;
- private static final int TUNNEL_ID_F_LENGTH = 2;
+ @Override
+ public LspIdentifiers parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
+ if (buffer == null) {
+ return null;
+ }
+ Preconditions.checkArgument(buffer.readableBytes() == V6_LENGTH, "Length %s does not match LSP Identifiers Ipv6 tlv length.", buffer.readableBytes());
+ final Ipv6Builder builder = new Ipv6Builder();
+ builder.setIpv6TunnelSenderAddress(Ipv6Util.addressForByteBuf(buffer));
+ final LspId lspId = new LspId((long) buffer.readUnsignedShort());
+ final TunnelId tunnelId = new TunnelId(buffer.readUnsignedShort());
+ builder.setIpv6ExtendedTunnelId(new Ipv6ExtendedTunnelId(Ipv6Util.addressForByteBuf(buffer)));
+ builder.setIpv6TunnelEndpointAddress(Ipv6Util.addressForByteBuf(buffer));
+ final AddressFamily afi = new Ipv6CaseBuilder().setIpv6(builder.build()).build();
+ return new LspIdentifiersBuilder().setAddressFamily(afi).setLspId(lspId).setTunnelId(tunnelId).build();
+ }
- private static final int V6_LENGTH = 52;
-
- @Override
- public LspIdentifiers parseTlv(final byte[] valueBytes) throws PCEPDeserializerException {
- if (valueBytes == null || valueBytes.length == 0) {
- throw new IllegalArgumentException("Value bytes array is mandatory. Can't be null or empty.");
- }
- if (valueBytes.length != V6_LENGTH) {
- throw new IllegalArgumentException("Length " + valueBytes.length + " does not match LSP Identifiers Ipv6 tlv length.");
- }
- int position = 0;
- final Ipv6Builder builder = new Ipv6Builder();
- builder.setIpv6TunnelSenderAddress(Ipv6Util.addressForBytes(ByteArray.subByte(valueBytes, position, IP6_F_LENGTH)));
- position += IP6_F_LENGTH;
- final LspId lspId = new LspId(ByteArray.bytesToLong(ByteArray.subByte(valueBytes, position, LSP_ID_F_LENGTH)));
- position += LSP_ID_F_LENGTH;
- final TunnelId tunnelId = new TunnelId(ByteArray.bytesToInt(ByteArray.subByte(valueBytes, position, TUNNEL_ID_F_LENGTH)));
- position += TUNNEL_ID_F_LENGTH;
- builder.setIpv6ExtendedTunnelId(new Ipv6ExtendedTunnelId(Ipv6Util.addressForBytes(ByteArray.subByte(valueBytes, position,
- EX_TUNNEL_ID6_F_LENGTH))));
- position += EX_TUNNEL_ID6_F_LENGTH;
- builder.setIpv6TunnelEndpointAddress(Ipv6Util.addressForBytes(ByteArray.subByte(valueBytes, position, IP6_F_LENGTH)));
- final AddressFamily afi = new Ipv6CaseBuilder().setIpv6(builder.build()).build();
- return new LspIdentifiersBuilder().setAddressFamily(afi).setLspId(lspId).setTunnelId(tunnelId).build();
- }
-
- @Override
- public byte[] serializeTlv(final Tlv tlv) {
- if (tlv == null) {
- throw new IllegalArgumentException("LspIdentifiersTlv is mandatory.");
- }
- final byte[] bytes = new byte[V6_LENGTH];
- int offset = 0;
- final LspIdentifiers lsp = (LspIdentifiers) tlv;
- final Ipv6 ipv6 = ((Ipv6Case) lsp.getAddressFamily()).getIpv6();
- ByteArray.copyWhole(Ipv6Util.bytesForAddress(ipv6.getIpv6TunnelSenderAddress()), bytes, offset);
- offset += IP6_F_LENGTH;
- ByteArray.copyWhole(ByteArray.longToBytes(lsp.getLspId().getValue(), LSP_ID_F_LENGTH), bytes, offset);
- offset += LSP_ID_F_LENGTH;
- ByteArray.copyWhole(ByteArray.intToBytes(lsp.getTunnelId().getValue(), TUNNEL_ID_F_LENGTH), bytes, offset);
- offset += TUNNEL_ID_F_LENGTH;
- ByteArray.copyWhole(Ipv6Util.bytesForAddress(ipv6.getIpv6ExtendedTunnelId()), bytes, offset);
- offset += EX_TUNNEL_ID6_F_LENGTH;
- ByteArray.copyWhole(Ipv6Util.bytesForAddress(ipv6.getIpv6TunnelEndpointAddress()), bytes, offset);
- return TlvUtil.formatTlv(TYPE, bytes);
- }
-
- @Override
- public int getType() {
- return TYPE;
- }
+ @Override
+ public void serializeTlv(final Tlv tlv, final ByteBuf buffer) {
+ Preconditions.checkArgument(tlv instanceof LspIdentifiers, "LspIdentifiersTlv is mandatory.");
+ final LspIdentifiers lsp = (LspIdentifiers) tlv;
+ final ByteBuf body = Unpooled.buffer();
+ final Ipv6 ipv6 = ((Ipv6Case) lsp.getAddressFamily()).getIpv6();
+ Preconditions.checkArgument(ipv6.getIpv6TunnelSenderAddress() != null, "Ipv6TunnelSenderAddress is mandatory.");
+ writeIpv6Address(ipv6.getIpv6TunnelSenderAddress(), body);
+ Preconditions.checkArgument(lsp.getLspId() != null, "LspId is mandatory.");
+ writeShort(lsp.getLspId().getValue().shortValue(), body);
+ Preconditions.checkArgument(lsp.getTunnelId() != null, "TunnelId is mandatory.");
+ writeUnsignedShort(lsp.getTunnelId().getValue(), body);
+ Preconditions.checkArgument(ipv6.getIpv6ExtendedTunnelId() != null, "Ipv6ExtendedTunnelId is mandatory.");
+ writeIpv6Address(ipv6.getIpv6ExtendedTunnelId(), body);
+ Preconditions.checkArgument(ipv6.getIpv6TunnelEndpointAddress() != null, "Ipv6TunnelEndpointAddress is mandatory.");
+ writeIpv6Address(ipv6.getIpv6TunnelEndpointAddress(), body);
+ TlvUtil.formatTlv(TYPE, body, buffer);
+ }
}
Code Review / bgpcep.git / blobdiff