1 files changed, 180 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VhostUserCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VhostUserCustomizer.java
new file mode 100644
index 000000000..40669761d
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VhostUserCustomizer.java
@@ -0,0 +1,180 @@
+/*
+ * 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.honeycomb.v3po.translate.v3po.interfaces;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import io.fd.honeycomb.v3po.translate.Context;
+import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer;
+import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
+import io.fd.honeycomb.v3po.translate.v3po.util.VppApiInvocationException;
+import io.fd.honeycomb.v3po.translate.v3po.utils.V3poUtils;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import java.util.concurrent.CompletionStage;
+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.rev150105.VhostUserRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.VhostUser;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.dto.CreateVhostUserIf;
+import org.openvpp.jvpp.dto.CreateVhostUserIfReply;
+import org.openvpp.jvpp.dto.DeleteVhostUserIf;
+import org.openvpp.jvpp.dto.DeleteVhostUserIfReply;
+import org.openvpp.jvpp.dto.ModifyVhostUserIf;
+import org.openvpp.jvpp.dto.ModifyVhostUserIfReply;
+import org.openvpp.jvpp.future.FutureJVpp;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Writer Customizer responsible for passing vhost user interface CRD operations to VPP
+ */
+public class VhostUserCustomizer extends FutureJVppCustomizer implements ChildWriterCustomizer<VhostUser> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(VhostUserCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public VhostUserCustomizer(@Nonnull final FutureJVpp vppApi, @Nonnull final NamingContext interfaceContext) {
+        super(vppApi);
+        this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null");
+    }
+
+    @Nonnull
+    @Override
+    public Optional<VhostUser> extract(@Nonnull final InstanceIdentifier<VhostUser> currentId,
+                                       @Nonnull final DataObject parentData) {
+        return Optional.fromNullable(((VppInterfaceAugmentation) parentData).getVhostUser());
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<VhostUser> id,
+                                       @Nonnull final VhostUser dataAfter, @Nonnull final Context writeContext)
+            throws WriteFailedException.CreateFailedException {
+        try {
+            createVhostUserIf(id.firstKeyOf(Interface.class).getName(), dataAfter);
+        } catch (VppApiInvocationException e) {
+            throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
+        }
+    }
+
+    private void createVhostUserIf(final String swIfName, final VhostUser vhostUser) throws VppApiInvocationException {
+        LOG.debug("Creating vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
+        final CompletionStage<CreateVhostUserIfReply> createVhostUserIfReplyCompletionStage =
+                getFutureJVpp().createVhostUserIf(getCreateVhostUserIfRequest(vhostUser));
+
+        final CreateVhostUserIfReply reply =
+                V3poUtils.getReply(createVhostUserIfReplyCompletionStage.toCompletableFuture());
+        if (reply.retval < 0) {
+            LOG.debug("Failed to create vhost user interface: {}, vhostUser: {}", swIfName, vhostUser);
+            throw new VppApiInvocationException("createVhostUserIf", reply.context, reply.retval);
+        } else {
+            LOG.debug("Vhost user interface created successfully for: {}, vhostUser: {}", swIfName, vhostUser);
+            // Add new interface to our interface context
+            interfaceContext.addName(reply.swIfIndex, swIfName);
+        }
+    }
+
+    private CreateVhostUserIf getCreateVhostUserIfRequest(final VhostUser vhostUser) {
+        CreateVhostUserIf request = new CreateVhostUserIf();
+        request.isServer = V3poUtils.booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
+        request.sockFilename = vhostUser.getSocket().getBytes();
+        request.renumber = 0; // TODO
+        request.customDevInstance = 0; // TODO
+        request.useCustomMac = 0;
+        request.macAddress = new byte[]{};
+        return request;
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<VhostUser> id,
+                                        @Nonnull final VhostUser dataBefore, @Nonnull final VhostUser dataAfter,
+                                        @Nonnull final Context writeContext)
+            throws WriteFailedException.UpdateFailedException {
+        if (dataBefore.equals(dataAfter)) {
+            LOG.debug("dataBefore equals dataAfter, update will not be performed");
+            return;
+        }
+        try {
+            modifyVhostUserIf(id.firstKeyOf(Interface.class).getName(), dataAfter);
+        } catch (VppApiInvocationException e) {
+            throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e);
+        }
+    }
+
+    private void modifyVhostUserIf(final String swIfName, final VhostUser vhostUser) throws VppApiInvocationException {
+        LOG.debug("Updating vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
+        final CompletionStage<ModifyVhostUserIfReply> modifyVhostUserIfReplyCompletionStage =
+                getFutureJVpp()
+                        .modifyVhostUserIf(getModifyVhostUserIfRequest(vhostUser, interfaceContext.getIndex(swIfName)));
+
+        final ModifyVhostUserIfReply reply =
+                V3poUtils.getReply(modifyVhostUserIfReplyCompletionStage.toCompletableFuture());
+        if (reply.retval < 0) {
+            LOG.debug("Failed to update vhost user interface: {}, vhostUser: {}", swIfName, vhostUser);
+            throw new VppApiInvocationException("modifyVhostUserIf", reply.context, reply.retval);
+        } else {
+            LOG.debug("Vhost user interface updated successfully for: {}, vhostUser: {}", swIfName, vhostUser);
+        }
+    }
+
+    private ModifyVhostUserIf getModifyVhostUserIfRequest(final VhostUser vhostUser, final int swIfIndex) {
+        ModifyVhostUserIf request = new ModifyVhostUserIf();
+        request.isServer = V3poUtils.booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
+        request.sockFilename = vhostUser.getSocket().getBytes();
+        request.renumber = 0; // TODO
+        request.customDevInstance = 0; // TODO
+        request.swIfIndex = swIfIndex;
+        return request;
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VhostUser> id,
+                                        @Nonnull final VhostUser dataBefore, @Nonnull final Context writeContext)
+            throws WriteFailedException.DeleteFailedException {
+        try {
+            deleteVhostUserIf(id.firstKeyOf(Interface.class).getName(), dataBefore);
+        } catch (VppApiInvocationException e) {
+            throw new WriteFailedException.DeleteFailedException(id, e);
+        }
+    }
+
+    private void deleteVhostUserIf(final String swIfName, final VhostUser vhostUser) throws VppApiInvocationException {
+        LOG.debug("Deleting vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
+        final CompletionStage<DeleteVhostUserIfReply> deleteVhostUserIfReplyCompletionStage =
+                getFutureJVpp().deleteVhostUserIf(getDeleteVhostUserIfRequest(interfaceContext.getIndex(swIfName)));
+
+        final DeleteVhostUserIfReply reply =
+                V3poUtils.getReply(deleteVhostUserIfReplyCompletionStage.toCompletableFuture());
+        if (reply.retval < 0) {
+            LOG.debug("Failed to delete vhost user interface: {}, vhostUser: {}", swIfName, vhostUser);
+            throw new VppApiInvocationException("modifyVhostUserIf", reply.context, reply.retval);
+        } else {
+            LOG.debug("Vhost user interface deleted successfully for: {}, vhostUser: {}", swIfName, vhostUser);
+            // Remove interface from our interface context
+            interfaceContext.removeName(swIfName);
+        }
+    }
+
+    private DeleteVhostUserIf getDeleteVhostUserIfRequest(final int swIfIndex) {
+        DeleteVhostUserIf request = new DeleteVhostUserIf();
+        request.swIfIndex = swIfIndex;
+        return request;
+    }
+}