use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.
the class SimpleNlriRegistry method parseMpReach.
@Override
public MpReachNlri parseMpReach(final ByteBuf buffer, final PeerSpecificParserConstraint constraint) throws BGPParsingException {
final MpReachNlriBuilder builder = new MpReachNlriBuilder();
final Class<? extends AddressFamily> afi = getAfi(buffer);
final Class<? extends SubsequentAddressFamily> safi = getSafi(buffer);
builder.setAfi(afi);
builder.setSafi(safi);
final BgpTableType key = createKey(builder.getAfi(), builder.getSafi());
final int nextHopLength = buffer.readUnsignedByte();
if (nextHopLength != 0) {
final NextHopParserSerializer nextHopParser = this.nextHopParsers.get(key);
if (nextHopParser != null) {
builder.setCNextHop(nextHopParser.parseNextHop(buffer.readSlice(nextHopLength)));
} else {
builder.setCNextHop(NextHopUtil.parseNextHop(buffer.readSlice(nextHopLength)));
LOG.warn("NexHop Parser/Serializer for AFI/SAFI ({},{}) not bound", afi, safi);
}
}
buffer.skipBytes(RESERVED);
final ByteBuf nlri = buffer.slice();
final NlriParser parser = this.handlers.get(key);
if (parser == null) {
LOG.warn(PARSER_NOT_FOUND, key);
} else {
parser.parseNlri(nlri, builder, constraint);
}
return builder.build();
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.
the class Ipv6NlriParser method prefixes.
private static DestinationIpv6 prefixes(final ByteBuf nlri, final PeerSpecificParserConstraint constraint, final Class<? extends AddressFamily> afi, final Class<? extends SubsequentAddressFamily> safi) {
final List<Ipv6Prefixes> prefixes = new ArrayList<>();
final boolean supported = MultiPathSupportUtil.isTableTypeSupported(constraint, new BgpTableTypeImpl(afi, safi));
while (nlri.isReadable()) {
final Ipv6PrefixesBuilder prefixesBuilder = new Ipv6PrefixesBuilder();
if (supported) {
prefixesBuilder.setPathId(PathIdUtil.readPathId(nlri));
}
prefixesBuilder.setPrefix(Ipv6Util.prefixForByteBuf(nlri));
prefixes.add(prefixesBuilder.build());
}
return new DestinationIpv6Builder().setIpv6Prefixes(prefixes).build();
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.
the class BGPParserTest method testEORIpv6exLength.
/*
* End of Rib for Ipv6 consists of empty MP_UNREACH_NLRI, with AFI 2 and SAFI 1
*
* ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
* 00 1e <- length (29) - including header
* 02 <- message type
* 00 00 <- withdrawn routes length
* 00 07 <- total path attribute length
* 90 <- attribute flags
* 0f <- attribute type (15 - MP_UNREACH_NLRI)
* 00 03 <- attribute length
* 00 02 <- value (AFI 2: IPv6)
* 01 <- value (SAFI 1)
*/
@Test
public void testEORIpv6exLength() throws Exception {
final byte[] body = ByteArray.cutBytes(inputBytes.get(6), MessageUtil.COMMON_HEADER_LENGTH);
final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(6), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
final Class<? extends AddressFamily> afi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getAfi();
final Class<? extends SubsequentAddressFamily> safi = message.getAttributes().getAugmentation(Attributes2.class).getMpUnreachNlri().getSafi();
assertEquals(Ipv6AddressFamily.class, afi);
assertEquals(UnicastSubsequentAddressFamily.class, safi);
final ByteBuf buffer = Unpooled.buffer();
BGPParserTest.updateParser.serializeMessage(message, buffer);
assertArrayEquals(inputBytes.get(6), ByteArray.readAllBytes(buffer));
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.
the class GracefulCapabilityHandler method serializeTables.
private void serializeTables(final List<Tables> tables, final ByteBuf bytes) {
if (tables == null) {
return;
}
for (final Tables t : tables) {
final Class<? extends AddressFamily> afi = t.getAfi();
final Integer afival = this.afiReg.numberForClass(afi);
Preconditions.checkArgument(afival != null, "Unhandled address family " + afi);
bytes.writeShort(afival);
final Class<? extends SubsequentAddressFamily> safi = t.getSafi();
final Integer safival = this.safiReg.numberForClass(safi);
Preconditions.checkArgument(safival != null, "Unhandled subsequent address family " + safi);
bytes.writeByte(safival);
if (t.getAfiFlags() != null && t.getAfiFlags().isForwardingState()) {
bytes.writeByte(AFI_FLAG_FORWARDING_STATE);
} else {
bytes.writeZero(1);
}
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.SubsequentAddressFamily in project bgpcep by opendaylight.
the class GracefulCapabilityHandler method parseCapability.
@Override
public CParameters parseCapability(final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
final GracefulRestartCapabilityBuilder cb = new GracefulRestartCapabilityBuilder();
final int flagBits = (buffer.getByte(0) >> RESTART_FLAGS_SIZE);
cb.setRestartFlags(new RestartFlags((flagBits & Byte.SIZE) != 0));
final int timer = ((buffer.readUnsignedByte() & TIMER_TOPBITS_MASK) << Byte.SIZE) + buffer.readUnsignedByte();
cb.setRestartTime(timer);
final List<Tables> tables = new ArrayList<>();
while (buffer.readableBytes() != 0) {
final int afiVal = buffer.readShort();
final Class<? extends AddressFamily> afi = this.afiReg.classForFamily(afiVal);
if (afi == null) {
LOG.debug("Ignoring GR capability for unknown address family {}", afiVal);
buffer.skipBytes(PER_AFI_SAFI_SIZE - 2);
continue;
}
final int safiVal = buffer.readUnsignedByte();
final Class<? extends SubsequentAddressFamily> safi = this.safiReg.classForFamily(safiVal);
if (safi == null) {
LOG.debug("Ignoring GR capability for unknown subsequent address family {}", safiVal);
buffer.skipBytes(1);
continue;
}
final int flags = buffer.readUnsignedByte();
tables.add(new TablesBuilder().setAfi(afi).setSafi(safi).setAfiFlags(new AfiFlags((flags & AFI_FLAG_FORWARDING_STATE) != 0)).build());
}
cb.setTables(tables);
return new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder().setGracefulRestartCapability(cb.build()).build()).build();
}
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