HONEYCOMB-278 Expose basic CRUD for port mirroring

Change-Id: I9ed339fd8c7daf1433709dcd862e64b690c5d3da
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/span/MirroredInterfacesCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/span/MirroredInterfacesCustomizer.java
new file mode 100644
index 000000000..2396bcfb7
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/span/MirroredInterfacesCustomizer.java
@@ -0,0 +1,117 @@
+/*
+ * 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.interfacesstate.span;
+
+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.hc2vpp.v3po.interfacesstate.InterfaceCustomizer;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanDump;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import java.util.stream.Collectors;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Span;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.SpanBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfaces;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfacesBuilder;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class MirroredInterfacesCustomizer
+        extends FutureJVppCustomizer
+        implements InitializingReaderCustomizer<MirroredInterfaces, MirroredInterfacesBuilder>, JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(MirroredInterfacesCustomizer.class);
+
+    private final NamingContext ifcContext;
+
+    public MirroredInterfacesCustomizer(@Nonnull final FutureJVppCore futureJVppCore, final NamingContext ifcContext) {
+        super(futureJVppCore);
+        this.ifcContext = ifcContext;
+    }
+
+    @Nonnull
+    @Override
+    public MirroredInterfacesBuilder getBuilder(@Nonnull final InstanceIdentifier<MirroredInterfaces> id) {
+        return new MirroredInterfacesBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
+                                      @Nonnull final MirroredInterfacesBuilder builder, @Nonnull final ReadContext ctx)
+            throws ReadFailedException {
+        LOG.trace("Reading mirrored interfaces under: {}", id);
+        final int dstId =
+                ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), ctx.getMappingContext());
+
+        final SwInterfaceSpanDetailsReplyDump replyForRead;
+        if (ctx.getModificationCache().containsKey(getCacheKey())) {
+            replyForRead = (SwInterfaceSpanDetailsReplyDump) ctx.getModificationCache().get(getCacheKey());
+        } else {
+            replyForRead = getReplyForRead(getFutureJVpp().swInterfaceSpanDump(
+                    new SwInterfaceSpanDump()).toCompletableFuture(), id);
+            ctx.getModificationCache().put(getCacheKey(), replyForRead);
+        }
+
+        final List<String> mirroredInterfaces =
+                replyForRead.swInterfaceSpanDetails.stream()
+                        .filter(detail -> detail.swIfIndexTo == dstId)
+                        .map(detail -> ifcContext.getName(detail.swIfIndexFrom, ctx.getMappingContext()))
+                        .collect(Collectors.toList());
+
+        LOG.debug("Mirrored interfaces for: {} read as: {}", id, mirroredInterfaces);
+
+        if (!mirroredInterfaces.isEmpty()) {
+            builder.setMirroredInterface(mirroredInterfaces);
+        }
+    }
+
+    private String getCacheKey() {
+        return getClass().getName();
+    }
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
+                      @Nonnull final MirroredInterfaces readValue) {
+        ((SpanBuilder) parentBuilder).setMirroredInterfaces(readValue);
+    }
+
+    @Nonnull
+    @Override
+    public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
+                                                  @Nonnull final MirroredInterfaces readValue,
+                                                  @Nonnull final ReadContext ctx) {
+        final InstanceIdentifier<MirroredInterfaces> cfgId =
+                InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                        .augmentation(VppInterfaceAugmentation.class)
+                        .child(Span.class)
+                        .child(MirroredInterfaces.class);
+        return Initialized.create(cfgId, readValue);
+    }
+}