HONEYCOMB-278 Expose basic CRUD for port mirroring

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

1 files changed, 126 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/span/MirroredInterfacesCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/span/MirroredInterfacesCustomizer.java
new file mode 100644
index 000000000..c45bc6aa8
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/span/MirroredInterfacesCustomizer.java
@@ -0,0 +1,126 @@
+/*
+ * 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.interfaces.span;
+
+import com.google.common.base.Preconditions;
+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.WriterCustomizer;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanEnableDisable;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanEnableDisableReply;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+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.Interface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfaces;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class MirroredInterfacesCustomizer
+        extends FutureJVppCustomizer
+        implements WriterCustomizer<MirroredInterfaces>, 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;
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
+                                       @Nonnull final MirroredInterfaces dataAfter,
+                                       @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        LOG.trace("Writing mirrored interfaces for: {} as: {}", id, dataAfter);
+
+        final int dstId =
+                ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), writeContext.getMappingContext());
+
+        // Collect source IDs
+        final List<Integer> srcIds = dataAfter.getMirroredInterface().stream()
+                .map(ifcName -> ifcContext.getIndex(ifcName, writeContext.getMappingContext()))
+                // Collecting before executing to verify we have all the IDs first, failing fast...
+                .collect(Collectors.toList());
+
+        Preconditions.checkArgument(!srcIds.contains(dstId),
+                "Source and Destination interface for port mirroring detected: %s at %s", dstId, id);
+
+        // Invoke addition for each source ID
+        final List<CompletableFuture<SwInterfaceSpanEnableDisableReply>> futures = srcIds.stream()
+                .map(srcId -> getSpanAddDelRequest(dstId, srcId, true))
+                .map(request -> getFutureJVpp().swInterfaceSpanEnableDisable(request).toCompletableFuture())
+                .collect(Collectors.toList());
+
+        // Wait for success/exception
+        for (final CompletableFuture<SwInterfaceSpanEnableDisableReply> future : futures) {
+            getReplyForWrite(future, id);
+        }
+
+        LOG.trace("Mirrored interfaces for: {} written successfully", id);
+    }
+
+    private SwInterfaceSpanEnableDisable getSpanAddDelRequest(final int dstId, final Integer srcId, final boolean isAdd) {
+        final SwInterfaceSpanEnableDisable spanAddDel = new SwInterfaceSpanEnableDisable();
+        spanAddDel.enable = (byte) (isAdd ? 1 : 0);
+        spanAddDel.swIfIndexFrom = srcId;
+        spanAddDel.swIfIndexTo = dstId;
+        return spanAddDel;
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
+                                        @Nonnull final MirroredInterfaces dataBefore,
+                                        @Nonnull final MirroredInterfaces dataAfter,
+                                        @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        deleteCurrentAttributes(id, dataBefore, writeContext);
+        writeCurrentAttributes(id, dataAfter, writeContext);
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
+                                        @Nonnull final MirroredInterfaces dataBefore,
+                                        @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        LOG.trace("Removing mirrored interfaces for: {} as: {}", id, dataBefore);
+
+        final int dstId =
+                ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), writeContext.getMappingContext());
+
+        final List<Integer> srcIds = dataBefore.getMirroredInterface().stream()
+                .map(ifcName -> ifcContext.getIndex(ifcName, writeContext.getMappingContext()))
+                // Collecting before executing to verify we have all the IDs first, failing fast...
+                .collect(Collectors.toList());
+
+        final List<CompletableFuture<SwInterfaceSpanEnableDisableReply>> futures = srcIds.stream()
+                .map(srcId -> getSpanAddDelRequest(dstId, srcId, false))
+                .map(request -> getFutureJVpp().swInterfaceSpanEnableDisable(request).toCompletableFuture())
+                .collect(Collectors.toList());
+
+        for (final CompletableFuture<SwInterfaceSpanEnableDisableReply> future : futures) {
+            getReplyForWrite(future, id);
+        }
+
+        LOG.trace("Mirrored interfaces for: {} removed successfully", id);
+    }
+}