1 files changed, 104 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/LoopbackCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/LoopbackCustomizer.java
new file mode 100644
index 000000000..0be934598
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/LoopbackCustomizer.java
@@ -0,0 +1,104 @@
+/*
+ * 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.AbstractInterfaceTypeCustomizer;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.hc2vpp.common.translate.util.MacTranslator;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.jvpp.core.dto.CreateLoopback;
+import io.fd.jvpp.core.dto.CreateLoopbackReply;
+import io.fd.jvpp.core.dto.DeleteLoopback;
+import io.fd.jvpp.core.future.FutureJVppCore;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.Loopback;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.InterfaceType;
+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;
+
+public final class LoopbackCustomizer extends AbstractInterfaceTypeCustomizer<Loopback>
+        implements MacTranslator, JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(LoopbackCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public LoopbackCustomizer(final FutureJVppCore vppApi, final NamingContext interfaceContext) {
+        super(vppApi);
+        this.interfaceContext = interfaceContext;
+    }
+
+    @Override
+    protected Class<? extends InterfaceType> getExpectedInterfaceType() {
+        return org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.Loopback.class;
+    }
+
+    @Override
+    protected final void writeInterface(@Nonnull final InstanceIdentifier<Loopback> id, @Nonnull final Loopback dataAfter,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String ifcName = id.firstKeyOf(Interface.class).getName();
+        createLoopback(id, ifcName, dataAfter, writeContext);
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Loopback> id, @Nonnull final Loopback dataBefore,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String ifcName = id.firstKeyOf(Interface.class).getName();
+
+        final int index;
+        try {
+            index = interfaceContext.getIndex(ifcName, writeContext.getMappingContext());
+        } catch (IllegalArgumentException e) {
+            throw new WriteFailedException.DeleteFailedException(id, e);
+        }
+
+        deleteLoopback(id, ifcName, index, dataBefore, writeContext);
+    }
+
+    private void createLoopback(final InstanceIdentifier<Loopback> id, final String swIfName, final Loopback loopback,
+                                final WriteContext writeContext) throws WriteFailedException {
+        LOG.debug("Setting loopback interface: {}. Loopback: {}", swIfName, loopback);
+
+        final CreateLoopback createLoopback = new CreateLoopback();
+        if (loopback.getMac() != null) {
+            createLoopback.macAddress = parseMac(loopback.getMac().getValue());
+        }
+        final CreateLoopbackReply reply =
+                getReplyForCreate(getFutureJVpp().createLoopback(createLoopback).toCompletableFuture(), id, loopback);
+
+        LOG.debug("Loopback set successfully for: {}, loopback: {}", swIfName, loopback);
+        // Add new interface to our interface context
+        interfaceContext.addName(reply.swIfIndex, swIfName, writeContext.getMappingContext());
+    }
+
+    private void deleteLoopback(final InstanceIdentifier<Loopback> id, final String swIfName, final int index,
+                           final Loopback dataBefore, final WriteContext writeContext)
+            throws WriteFailedException {
+        LOG.debug("Deleting loopback interface: {}. Loopback: {}", swIfName, dataBefore);
+        final DeleteLoopback deleteLoopback = new DeleteLoopback();
+        deleteLoopback.swIfIndex = index;
+        getReplyForDelete(getFutureJVpp().deleteLoopback(deleteLoopback).toCompletableFuture(), id);
+        LOG.debug("Loopback deleted successfully for: {}, loopback: {}", swIfName, dataBefore);
+        // Remove deleted interface from interface context
+        interfaceContext.removeName(swIfName, writeContext.getMappingContext());
+    }
+}