use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.CParameters in project bgpcep by opendaylight.
the class CapabilityParameterParser method parseOptionalCapability.
private OptionalCapabilities parseOptionalCapability(final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
final int capCode = buffer.readUnsignedByte();
final int capLength = buffer.readUnsignedByte();
final ByteBuf paramBody = buffer.readSlice(capLength);
final CParameters ret = this.reg.parseCapability(capCode, paramBody);
if (ret == null) {
LOG.info("Ignoring unsupported capability {}", capCode);
return null;
}
return new OptionalCapabilitiesBuilder().setCParameters(ret).build();
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.CParameters in project bgpcep by opendaylight.
the class GracefulCapabilityHandler method serializeCapability.
@Override
public void serializeCapability(final CParameters capability, final ByteBuf byteAggregator) {
if (capability.getAugmentation(CParameters1.class) == null || capability.getAugmentation(CParameters1.class).getGracefulRestartCapability() == null) {
return;
}
final GracefulRestartCapability grace = capability.getAugmentation(CParameters1.class).getGracefulRestartCapability();
final ByteBuf bytes = serializeCapability(grace);
CapabilityUtil.formatCapability(CODE, bytes, byteAggregator);
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.CParameters 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();
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.open.message.bgp.parameters.optional.capabilities.CParameters in project bgpcep by opendaylight.
the class ParserTest method testOpenMessage.
/*
* ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
* 00 3d <- length (61) - including header
* 01 <- message type
* 04 <- BGP version
* 00 64 <- My AS Number (AS TRANS in this case)
* 00 b4 <- Hold Time
* 00 00 00 00 <- BGP Identifier
* 20 <- Optional Parameters Length
* 02 <- opt. param. type (capabilities)
* 06 <- length
* 01 <- capability code (MP Extensions for BGP4)
* 04 <- length
* 00 01 00 01 <- AFI 1, SAFI 1
* 02 <- opt. param. type (capabilities)
* 06 <- length
* 01 <- capability code (MP Extensions for BGP4)
* 04 <- length
* 00 02 00 01 <- AFI 2, SAFI 1
* 02 <- opt. param. type (capabilities)
* 06 <- length
* 01 <- capability code (MP Extensions for BGP4)
* 04 <- length
* 40 04 00 47 <- AFI 16388, SAFI 71
* 02 <- opt. param. type (capabilities)
* 06 <- length
* 41 <- capability code (AS4 octet support)
* 04 <- length
* 00 00 00 64 <- AS number
*/
@Test
public void testOpenMessage() throws Exception {
final MessageRegistry msgReg = ServiceLoaderBGPExtensionProviderContext.getSingletonInstance().getMessageRegistry();
final Notification o = msgReg.parseMessage(Unpooled.copiedBuffer(inputBytes.get(3)), null);
final Open open = (Open) o;
final Set<BgpTableType> types = Sets.newHashSet();
for (final BgpParameters param : open.getBgpParameters()) {
for (final OptionalCapabilities optCapa : param.getOptionalCapabilities()) {
final CParameters cParam = optCapa.getCParameters();
if (cParam != null && cParam.getAugmentation(CParameters1.class) != null && cParam.getAugmentation(CParameters1.class).getMultiprotocolCapability() != null) {
final MultiprotocolCapability mp = cParam.getAugmentation(CParameters1.class).getMultiprotocolCapability();
final BgpTableType type = new BgpTableTypeImpl(mp.getAfi(), mp.getSafi());
types.add(type);
}
}
}
final Set<BgpTableType> expected = Sets.newHashSet();
expected.add(new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class));
expected.add(new BgpTableTypeImpl(Ipv6AddressFamily.class, UnicastSubsequentAddressFamily.class));
expected.add(new BgpTableTypeImpl(LinkstateAddressFamily.class, LinkstateSubsequentAddressFamily.class));
assertEquals(expected, types);
final ByteBuf buffer = Unpooled.buffer();
msgReg.serializeMessage(o, buffer);
assertArrayEquals(inputBytes.get(3), ByteArray.readAllBytes(buffer));
}
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