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-rw-r--r--mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java136
1 files changed, 32 insertions, 104 deletions
diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java
index d29e86640..b9e48cd60 100644
--- a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java
+++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java
@@ -19,59 +19,39 @@ package io.fd.hc2vpp.mpls;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig.Operation.ImposeAndForward;
+import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig.Operation.PopAndLookup;
-import com.google.common.annotations.VisibleForTesting;
-import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
-import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
-import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
-import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
-import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
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.Ipv4Prefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig;
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.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;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.out.segment.path.list.Paths;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.routing.mpls._static.lsps.StaticLsp;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.routing.mpls._static.lsps.StaticLspKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.types.rev170227.MplsLabel;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.mpls.rev171120.LookupType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.mpls.rev171120.StaticLspVppLookupAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.mpls.rev171120.VppLabelLookupAttributes;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-final class StaticLspCustomizer extends FutureJVppCustomizer implements
- ListWriterCustomizer<StaticLsp, StaticLspKey>, JvppReplyConsumer, ByteDataTranslator, Ipv4Translator {
+/**
+ * Selects specific {@link LspWriter} based on {@link StaticLspConfig.Operation} and {@link LookupType}.
+ */
+final class StaticLspCustomizer implements ListWriterCustomizer<StaticLsp, StaticLspKey>, LspWriter {
private static final Logger LOG = LoggerFactory.getLogger(StaticLspCustomizer.class);
-
- /**
- * Maximum number of MPLS labels supported by VPP. Value is based on type of next_hop_n_out_labels value which is
- * u8.
- */
- private static final int MAX_LABELS = 255;
-
- /**
- * Constant used by VPP to disable optional parameters of mpls label type.
- */
- @VisibleForTesting
- static final int MPLS_LABEL_INVALID = 0x100000;
-
- private final NamingContext interfaceContext;
+ private final ImposeAndForwardWriter imposeAndForward;
+ private final MplsLookupWriter mplsLookup;
StaticLspCustomizer(@Nonnull final FutureJVppCore vppApi, @Nonnull NamingContext interfaceContext) {
- super(vppApi);
- this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
+ checkNotNull(vppApi, "vppApi should not be null");
+ checkNotNull(interfaceContext, "interfaceContext should not be null");
+ this.imposeAndForward = new ImposeAndForwardWriter(vppApi, interfaceContext);
+ this.mplsLookup = new MplsLookupWriter(vppApi);
}
@Override
@@ -79,7 +59,7 @@ final class StaticLspCustomizer extends FutureJVppCustomizer implements
@Nonnull final StaticLsp dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
LOG.debug("Adding MPLS LSP: {}", dataAfter);
- imposeAndForward(id, validateConfig(dataAfter), writeContext, true);
+ write(id, dataAfter, writeContext.getMappingContext(), true);
LOG.debug("MPLS LSP successfully configured: {}", dataAfter);
}
@@ -88,82 +68,30 @@ final class StaticLspCustomizer extends FutureJVppCustomizer implements
@Nonnull final StaticLsp dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
LOG.debug("Removing MPLS LSP: {}", dataBefore);
- imposeAndForward(id, validateConfig(dataBefore), writeContext, false);
+ write(id, dataBefore, writeContext.getMappingContext(), false);
LOG.debug("MPLS LSP successfully removed: {}", dataBefore);
}
- private static Config validateConfig(@Nonnull final StaticLsp data) {
+ @Override
+ public void write(@Nonnull final InstanceIdentifier<StaticLsp> id, @Nonnull final StaticLsp data,
+ @Nonnull final MappingContext ctx, final boolean isAdd) throws WriteFailedException {
final Config config = data.getConfig();
checkArgument(config != null, "Config node of static-lsp is missing.");
final StaticLspConfig.Operation operation = config.getOperation();
- checkArgument(ImposeAndForward.equals(operation),
- "Only impose-and-forward operation is supported, but %s given.", operation);
- return config;
- }
-
- private void imposeAndForward(@Nonnull final InstanceIdentifier<StaticLsp> id, @Nonnull final Config lspConfig,
- @Nonnull final WriteContext writeContext, final boolean isAdd)
- throws WriteFailedException {
- final IpAddDelRoute request = new IpAddDelRoute();
- request.isAdd = booleanToByte(isAdd);
- request.nextHopWeight = 1; // default value used in make test
-
- final InSegment inSegment = lspConfig.getInSegment();
- checkArgument(inSegment != null, "Configuring impose-and-forward, but in-segment is missing.");
-
- checkArgument(inSegment.getType() instanceof IpPrefix, "Only ip-prefix type is supported, but %s given.",
- inSegment.getType());
- final Ipv4Prefix prefix = ((IpPrefix) inSegment.getType()).getIpPrefix().getIpv4Prefix();
-
- // TODO(HC2VPP-264): add support for mpls + v6
- request.dstAddressLength = extractPrefix(prefix);
- request.dstAddress = ipv4AddressPrefixToArray(prefix);
-
- final OutSegment outSegment = lspConfig.getOutSegment();
- checkArgument(outSegment != null, "Configuring impose-and-forward, but out-segment is missing.");
- translateOutSegment(outSegment, request, writeContext.getMappingContext());
- getReplyForWrite(getFutureJVpp().ipAddDelRoute(request).toCompletableFuture(), id);
- }
-
- private void translateOutSegment(@Nonnull final OutSegment outSegment, @Nonnull final IpAddDelRoute request,
- @Nonnull final MappingContext mappingContext) {
- String outgoingInterface = null;
- 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()};
- } 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();
+ if (ImposeAndForward.equals(operation)) {
+ imposeAndForward.write(id, data, ctx, isAdd);
+ } else if (PopAndLookup.equals(operation)) {
+ final VppLabelLookupAttributes vppAttributes = config.getAugmentation(StaticLspVppLookupAugmentation.class);
+ checkArgument(vppAttributes != null && vppAttributes.getLabelLookup() != null,
+ "Configuring pop-and-lookup operation but label-lookup leaf is missing");
+ final LookupType type = vppAttributes.getLabelLookup().getType();
+ if (LookupType.Mpls.equals(type)) {
+ mplsLookup.write(id, data, ctx, isAdd);
+ } else {
+ throw new IllegalArgumentException("Unsupported lookup type: " + type);
+ }
} else {
- throw new IllegalArgumentException("Unsupported out-segment type: " + outSegment);
+ throw new IllegalArgumentException("Unsupported operation: " + operation);
}
-
- checkArgument(outgoingInterface != null, "Configuring impose-and-forward, but outgoing-interface is missing.");
- request.nextHopSwIfIndex = interfaceContext.getIndex(outgoingInterface, mappingContext);
- request.nextHopViaLabel = MPLS_LABEL_INVALID;
}
}