diff options
Diffstat (limited to 'mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java')
-rw-r--r-- | mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java | 100 |
1 files changed, 59 insertions, 41 deletions
diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java index b7ac96735..14053b63d 100644 --- a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java +++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java @@ -27,11 +27,13 @@ import io.fd.vpp.jvpp.core.future.FutureJVppCore; import java.util.List; import javax.annotation.Nonnull; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig.Operation; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp.Config; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.InSegment; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.OutSegment; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.Type; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.type.IpPrefix; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.out.segment.PathList; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.out.segment.SimplePath; @@ -60,64 +62,80 @@ final class ImposeAndForwardWriter implements LspWriter, Ipv4Translator { final Config config = data.getConfig(); final IpAddDelRoute request = new IpAddDelRoute(); request.isAdd = booleanToByte(isAdd); - request.nextHopWeight = 1; // default value used in make test - final InSegment inSegment = config.getInSegment(); - checkArgument(inSegment != null, "Configuring impose-and-forward, but in-segment is missing."); + translate(config.getInSegment(), request); + translate(config.getOutSegment(), request, ctx); + + // default values based on inspecting VPP's CLI and make test code + request.nextHopWeight = 1; + request.nextHopViaLabel = MPLS_LABEL_INVALID; + + getReplyForWrite(vppApi.ipAddDelRoute(request).toCompletableFuture(), id); + } - checkArgument(inSegment.getType() instanceof IpPrefix, "Only ip-prefix type is supported, but %s given.", - inSegment.getType()); - final Ipv4Prefix prefix = ((IpPrefix) inSegment.getType()).getIpPrefix().getIpv4Prefix(); + private void translate(@Nonnull final InSegment inSegment, @Nonnull final IpAddDelRoute request) { + checkArgument(inSegment != null, "Configuring impose-and-forward, but in-segment is missing."); + final Type type = inSegment.getType(); + checkArgument(type instanceof IpPrefix, "Only ip-prefix type is supported, but %s given.", type); // TODO(HC2VPP-264): add support for mpls + v6 + final Ipv4Prefix prefix = ((IpPrefix) type).getIpPrefix().getIpv4Prefix(); request.dstAddressLength = extractPrefix(prefix); request.dstAddress = ipv4AddressPrefixToArray(prefix); + } - final OutSegment outSegment = config.getOutSegment(); + private void translate(@Nonnull final OutSegment outSegment, @Nonnull final IpAddDelRoute request, + @Nonnull final MappingContext ctx) { checkArgument(outSegment != null, "Configuring impose-and-forward, but out-segment is missing."); - translateOutSegment(outSegment, request, ctx); - getReplyForWrite(vppApi.ipAddDelRoute(request).toCompletableFuture(), id); - } - private void translateOutSegment(@Nonnull final OutSegment outSegment, @Nonnull final IpAddDelRoute request, - @Nonnull final MappingContext ctx) { final String outgoingInterface; if (outSegment instanceof SimplePath) { - final SimplePath path = (SimplePath) outSegment; - outgoingInterface = path.getOutgoingInterface(); - final IpAddress nextHop = path.getNextHop(); - checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); - // TODO(HC2VPP-264): add support for mpls + v6 - checkArgument(nextHop.getIpv4Address() != null, "Only IPv4 next-hop address is supported."); - request.nextHopAddress = ipv4AddressNoZoneToArray(nextHop.getIpv4Address().getValue()); - request.nextHopNOutLabels = 1; - checkArgument(path.getOutgoingLabel() != null, - "Configuring impose-and-forward, but outgoing-label is missing."); - request.nextHopOutLabelStack = new int[] {path.getOutgoingLabel().getValue().intValue()}; + outgoingInterface = translate((SimplePath) outSegment, request); } else if (outSegment instanceof PathList) { - final PathList pathList = (PathList) outSegment; - checkArgument(pathList.getPaths() != null && pathList.getPaths().size() == 1, - "Only single path is supported"); - final Paths paths = pathList.getPaths().get(0); - outgoingInterface = paths.getOutgoingInterface(); - // TODO(HC2VPP-264): add support for mpls + v6 - final IpAddress nextHop = paths.getNextHop(); - checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); - checkArgument(nextHop.getIpv4Address() != null, "Only IPv4 next-hop address is supported."); - request.nextHopAddress = ipv4AddressNoZoneToArray(nextHop.getIpv4Address().getValue()); - final List<MplsLabel> outgoingLabels = paths.getOutgoingLabels(); - final int numberOfLabels = outgoingLabels.size(); - checkArgument(numberOfLabels > 0 && numberOfLabels < MAX_LABELS, - "Number of labels (%s) not in range (0, %s].", numberOfLabels, MAX_LABELS, numberOfLabels); - request.nextHopNOutLabels = (byte) numberOfLabels; - request.nextHopOutLabelStack = - outgoingLabels.stream().mapToInt(label -> label.getValue().intValue()).toArray(); + outgoingInterface = translate((PathList) outSegment, request); } else { throw new IllegalArgumentException("Unsupported out-segment type: " + outSegment); } checkArgument(outgoingInterface != null, "Configuring impose-and-forward, but outgoing-interface is missing."); request.nextHopSwIfIndex = interfaceContext.getIndex(outgoingInterface, ctx); - request.nextHopViaLabel = MPLS_LABEL_INVALID; + } + + private String translate(@Nonnull final SimplePath path, @Nonnull final IpAddDelRoute request) { + final IpAddress nextHop = path.getNextHop(); + checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); + + // TODO(HC2VPP-264): add support for mpls + v6 + final Ipv4Address address = nextHop.getIpv4Address(); + checkArgument(address != null, "Only IPv4 next-hop address is supported."); + request.nextHopAddress = ipv4AddressNoZoneToArray(address.getValue()); + + final MplsLabel outgoingLabel = path.getOutgoingLabel(); + checkArgument(outgoingLabel != null, "Configuring impose-and-forward, but outgoing-label is missing."); + request.nextHopOutLabelStack = new int[] {outgoingLabel.getValue().intValue()}; + request.nextHopNOutLabels = 1; + + return path.getOutgoingInterface(); + } + + private String translate(@Nonnull final PathList pathList, @Nonnull final IpAddDelRoute request) { + checkArgument(pathList.getPaths() != null && pathList.getPaths().size() == 1, "Only single path is supported"); + final Paths paths = pathList.getPaths().get(0); + final IpAddress nextHop = paths.getNextHop(); + checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); + + // TODO(HC2VPP-264): add support for mpls + v6 + final Ipv4Address address = nextHop.getIpv4Address(); + checkArgument(address != null, "Only IPv4 next-hop address is supported."); + request.nextHopAddress = ipv4AddressNoZoneToArray(address.getValue()); + + final List<MplsLabel> labels = paths.getOutgoingLabels(); + final int numberOfLabels = labels.size(); + checkArgument(numberOfLabels > 0 && numberOfLabels < MAX_LABELS, "Number of labels (%s) not in range (0, %s].", + numberOfLabels, MAX_LABELS, numberOfLabels); + request.nextHopNOutLabels = (byte) numberOfLabels; + request.nextHopOutLabelStack = labels.stream().mapToInt(label -> label.getValue().intValue()).toArray(); + + return paths.getOutgoingInterface(); } } |