1 files changed, 193 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/SubInterfaceCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/SubInterfaceCustomizer.java
new file mode 100644
index 000000000..65d7de55e
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/SubInterfaceCustomizer.java
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.v3po.write;
+
+import static com.google.common.base.Preconditions.checkState;
+import static io.fd.hc2vpp.v3po.util.SubInterfaceUtils.getNumberOfTags;
+import static io.fd.hc2vpp.v3po.util.SubInterfaceUtils.getSubInterfaceName;
+
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+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.jvpp.core.dto.CreateSubif;
+import io.fd.jvpp.core.dto.CreateSubifReply;
+import io.fd.jvpp.core.dto.SwInterfaceSetFlags;
+import io.fd.jvpp.core.dto.SwInterfaceSetFlagsReply;
+import io.fd.jvpp.core.future.FutureJVppCore;
+import java.util.concurrent.CompletionStage;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319._802dot1ad;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319.interfaces._interface.sub.interfaces.SubInterface;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319.interfaces._interface.sub.interfaces.SubInterfaceKey;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319.match.attributes.MatchType;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319.match.attributes.match.type.Default;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319.match.attributes.match.type.VlanTagged;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319.sub._interface.base.attributes.tags.Tag;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.CVlan;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.Dot1qVlanId;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.SVlan;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.dot1q.tag.or.any.Dot1qTag;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Writer Customizer responsible for sub interface creation.<br> Sends {@code create_subif} message to VPP.<br>
+ * Equivalent of invoking {@code vppclt create subif} command.
+ */
+public class SubInterfaceCustomizer extends FutureJVppCustomizer
+        implements ListWriterCustomizer<SubInterface, SubInterfaceKey>, ByteDataTranslator, JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public SubInterfaceCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
+                                  @Nonnull final NamingContext interfaceContext) {
+        super(futureJVppCore);
+        this.interfaceContext = interfaceContext;
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<SubInterface> id,
+                                       @Nonnull final SubInterface dataAfter, @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String superIfName = id.firstKeyOf(Interface.class).getName();
+        createSubInterface(id, superIfName, dataAfter, writeContext);
+    }
+
+    private void createSubInterface(final InstanceIdentifier<SubInterface> id, @Nonnull final String superIfName,
+                                    @Nonnull final SubInterface subInterface, final WriteContext writeContext)
+            throws WriteFailedException {
+        final int superIfIndex = interfaceContext.getIndex(superIfName, writeContext.getMappingContext());
+        final CompletionStage<CreateSubifReply> createSubifReplyCompletionStage =
+                getFutureJVpp().createSubif(getCreateSubifRequest(subInterface, superIfIndex));
+
+        final CreateSubifReply reply =
+                getReplyForCreate(createSubifReplyCompletionStage.toCompletableFuture(), id, subInterface);
+
+        setInterfaceState(id, reply.swIfIndex, booleanToByte(subInterface.isEnabled()));
+        interfaceContext.addName(reply.swIfIndex,
+                getSubInterfaceName(superIfName, Math.toIntExact(subInterface.getIdentifier())),
+                writeContext.getMappingContext());
+        LOG.debug("Sub interface created successfully for: {}, subInterface: {}", superIfName, subInterface);
+    }
+
+    private CreateSubif getCreateSubifRequest(@Nonnull final SubInterface subInterface, final int swIfIndex) {
+        // TODO HONEYCOMB-183 add validation
+        CreateSubif request = new CreateSubif();
+        request.subId = Math.toIntExact(subInterface.getIdentifier().intValue());
+        request.swIfIndex = swIfIndex;
+
+        final int numberOfTags = getNumberOfTags(subInterface.getTags());
+        switch (numberOfTags) {
+            case 0:
+                request.noTags = 1;
+                break;
+            case 1:
+                request.oneTag = 1;
+                break;
+            case 2:
+                request.twoTags = 1;
+                break;
+        }
+        request.dot1Ad = booleanToByte(_802dot1ad.class == subInterface.getVlanType());
+
+        // TODO HONEYCOMB-183 match should be mandatory
+        final MatchType matchType = subInterface.getMatch().getMatchType();
+        request.exactMatch = booleanToByte(
+                matchType instanceof VlanTagged
+                        && ((VlanTagged) matchType).getVlanTagged().isMatchExactTags()
+        );
+        request.defaultSub = booleanToByte(matchType instanceof Default);
+        if (numberOfTags > 0) {
+            for (final Tag tag : subInterface.getTags().getTag()) {
+                if (tag.getIndex() == 0) {
+                    setOuterTag(request, tag);
+                } else if (tag.getIndex() == 1) {
+                    setInnerTag(request, tag);
+                }
+            }
+        }
+        return request;
+    }
+
+    private void setOuterTag(final CreateSubif request, final Tag outerTag) {
+        checkState(SVlan.class == outerTag.getDot1qTag().getTagType(), "Service Tag expected at index 0");
+        final Dot1qTag.VlanId vlanId = outerTag.getDot1qTag().getVlanId();
+
+        request.outerVlanId = dot1qVlanIdToShort(vlanId.getDot1qVlanId());
+        request.outerVlanIdAny = booleanToByte(Dot1qTag.VlanId.Enumeration.Any.equals(vlanId.getEnumeration()));
+    }
+
+    private void setInnerTag(final CreateSubif request, final Tag innerTag) {
+        checkState(CVlan.class == innerTag.getDot1qTag().getTagType(), "Customer Tag expected at index 1");
+        final Dot1qTag.VlanId vlanId = innerTag.getDot1qTag().getVlanId();
+
+        request.innerVlanId = dot1qVlanIdToShort(vlanId.getDot1qVlanId());
+        request.innerVlanIdAny = booleanToByte(Dot1qTag.VlanId.Enumeration.Any.equals(vlanId.getEnumeration()));
+    }
+
+    private static short dot1qVlanIdToShort(@Nullable Dot1qVlanId dot1qVlanId) {
+        if (dot1qVlanId == null) {
+            return 0; // tell VPP that optional argument is missing
+        } else {
+            return dot1qVlanId.getValue().shortValue();
+        }
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<SubInterface> id,
+                                        @Nonnull final SubInterface dataBefore, @Nonnull final SubInterface dataAfter,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String subIfaceName = getSubInterfaceName(id.firstKeyOf(Interface.class).getName(),
+                Math.toIntExact(dataAfter.getIdentifier()));
+        setInterfaceState(id, interfaceContext.getIndex(subIfaceName, writeContext.getMappingContext()),
+                booleanToByte(dataAfter.isEnabled()));
+    }
+
+    private void setInterfaceState(final InstanceIdentifier<SubInterface> id, final int swIfIndex, final byte enabled)
+            throws WriteFailedException {
+        final SwInterfaceSetFlags swInterfaceSetFlags = new SwInterfaceSetFlags();
+        swInterfaceSetFlags.swIfIndex = swIfIndex;
+        swInterfaceSetFlags.adminUpDown = enabled;
+
+        final CompletionStage<SwInterfaceSetFlagsReply> swInterfaceSetFlagsReplyFuture =
+                getFutureJVpp().swInterfaceSetFlags(swInterfaceSetFlags);
+
+        LOG.debug("Updating interface state for interface if={}, enabled: {}", swIfIndex, enabled);
+
+        SwInterfaceSetFlagsReply reply =
+                getReplyForWrite(swInterfaceSetFlagsReplyFuture.toCompletableFuture(), id);
+        LOG.debug("Interface state updated successfully for interface index: {}, enabled: {}, ctxId: {}",
+                swIfIndex, enabled, reply.context);
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<SubInterface> id,
+                                        @Nonnull final SubInterface dataBefore,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException.DeleteFailedException {
+        throw new UnsupportedOperationException("Sub interface delete is not supported");
+    }
+}