1 files changed, 124 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/InterfaceCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/InterfaceCustomizer.java
new file mode 100644
index 000000000..147575bb1
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/InterfaceCustomizer.java
@@ -0,0 +1,124 @@
+/*
+ * 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 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.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 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Ietf interface write customizer that only caches interface objects for child writers
+ */
+public class InterfaceCustomizer extends FutureJVppCustomizer
+        implements ListWriterCustomizer<Interface, InterfaceKey>, JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(InterfaceCustomizer.class);
+    private static final String LOCAL0_NAME = "local0";
+
+    private final NamingContext interfaceContext;
+
+    public InterfaceCustomizer(final FutureJVppCore vppApi, final NamingContext interfaceContext) {
+        super(vppApi);
+        this.interfaceContext = interfaceContext;
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id,
+                                       @Nonnull final Interface dataAfter,
+                                       @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+
+        setInterface(id, dataAfter, writeContext);
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id,
+                                        @Nonnull final Interface dataBefore,
+                                        @Nonnull final Interface dataAfter,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        updateInterface(id, dataAfter, writeContext);
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id,
+                                        @Nonnull final Interface dataBefore,
+                                        @Nonnull final WriteContext writeContext)
+        throws WriteFailedException.DeleteFailedException {
+        // Special handling for local0 interface (HC2VPP-308):
+        if (LOCAL0_NAME.equals(dataBefore.getName())) {
+            throw new WriteFailedException.DeleteFailedException(id,
+                new UnsupportedOperationException("Removing " + LOCAL0_NAME + " interface is not supported"));
+        }
+        // For other interfaces, delegate delete  to customizers for specific interface types (e.g. VXLan, Tap).
+    }
+
+    private void setInterface(final InstanceIdentifier<Interface> id, final Interface swIf,
+                              final WriteContext writeContext) throws WriteFailedException {
+        LOG.debug("Setting interface: {} to: {}", id, swIf);
+        setInterfaceAttributes(id, swIf, swIf.getName(), writeContext);
+    }
+
+    private void setInterfaceAttributes(final InstanceIdentifier<Interface> id, final Interface swIf,
+                                        final String swIfName, final WriteContext writeContext)
+            throws WriteFailedException {
+
+        setInterfaceFlags(id, swIfName, interfaceContext.getIndex(swIfName, writeContext.getMappingContext()),
+                swIf.isEnabled()
+                        ? (byte) 1
+                        : (byte) 0);
+    }
+
+    private void updateInterface(final InstanceIdentifier<Interface> id,
+                                 final Interface dataAfter, final WriteContext writeContext)
+            throws WriteFailedException {
+        LOG.debug("Updating interface:{} to: {}", id, dataAfter);
+        setInterfaceAttributes(id, dataAfter, dataAfter.getName(), writeContext);
+    }
+
+    private void setInterfaceFlags(final InstanceIdentifier<Interface> id, final String swIfName, final int swIfIndex,
+                                   final byte enabled) throws WriteFailedException {
+        final CompletionStage<SwInterfaceSetFlagsReply> swInterfaceSetFlagsReplyFuture =
+                getFutureJVpp().swInterfaceSetFlags(getSwInterfaceSetFlagsInput(swIfIndex, enabled));
+
+        LOG.debug("Updating interface flags for: {}, index: {}, enabled: {}", swIfName, swIfIndex, enabled);
+
+        getReplyForWrite(swInterfaceSetFlagsReplyFuture.toCompletableFuture(), id);
+        LOG.debug("Interface flags updated successfully for: {}, index: {}, enabled: {}",
+                swIfName, swIfIndex, enabled);
+    }
+
+    private SwInterfaceSetFlags getSwInterfaceSetFlagsInput(final int swIfIndex, final byte enabled) {
+        final SwInterfaceSetFlags swInterfaceSetFlags = new SwInterfaceSetFlags();
+        swInterfaceSetFlags.swIfIndex = swIfIndex;
+        swInterfaceSetFlags.adminUpDown = enabled;
+        return swInterfaceSetFlags;
+    }
+}