1 files changed, 169 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/VhostUserCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/VhostUserCustomizer.java
new file mode 100644
index 000000000..69ade6a75
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/VhostUserCustomizer.java
@@ -0,0 +1,169 @@
+/*
+ * 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.ByteDataTranslator;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+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.CreateVhostUserIf;
+import io.fd.jvpp.core.dto.CreateVhostUserIfReply;
+import io.fd.jvpp.core.dto.DeleteVhostUserIf;
+import io.fd.jvpp.core.dto.DeleteVhostUserIfReply;
+import io.fd.jvpp.core.dto.ModifyVhostUserIf;
+import io.fd.jvpp.core.dto.ModifyVhostUserIfReply;
+import io.fd.jvpp.core.future.FutureJVppCore;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.CompletionStage;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VhostUserRole;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.VhostUser;
+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;
+
+/**
+ * Writer Customizer responsible for passing vhost user interface CRD operations to VPP
+ */
+public class VhostUserCustomizer extends AbstractInterfaceTypeCustomizer<VhostUser>
+        implements ByteDataTranslator, JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(VhostUserCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public VhostUserCustomizer(@Nonnull final FutureJVppCore vppApi, @Nonnull 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.VhostUser.class;
+    }
+
+    @Override
+    protected final void writeInterface(@Nonnull final InstanceIdentifier<VhostUser> id,
+                                        @Nonnull final VhostUser dataAfter, @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String swIfName = id.firstKeyOf(Interface.class).getName();
+        createVhostUserIf(id, swIfName, dataAfter, writeContext);
+    }
+
+    private void createVhostUserIf(final InstanceIdentifier<VhostUser> id, final String swIfName,
+                                   final VhostUser vhostUser, final WriteContext writeContext)
+            throws WriteFailedException {
+        LOG.debug("Creating vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
+
+        final CompletionStage<CreateVhostUserIfReply> createVhostUserIfReplyCompletionStage =
+                getFutureJVpp().createVhostUserIf(getCreateVhostUserIfRequest(vhostUser));
+        final CreateVhostUserIfReply reply =
+                getReplyForCreate(createVhostUserIfReplyCompletionStage.toCompletableFuture(), id, vhostUser);
+        LOG.debug("Vhost user interface created successfully for: {}, vhostUser: {}", swIfName, vhostUser);
+        // Add new interface to our interface context
+        interfaceContext.addName(reply.swIfIndex, swIfName, writeContext.getMappingContext());
+    }
+
+    private CreateVhostUserIf getCreateVhostUserIfRequest(final VhostUser vhostUser) {
+        CreateVhostUserIf request = new CreateVhostUserIf();
+        request.isServer = booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
+        request.sockFilename = vhostUser.getSocket().getBytes();
+        final Long deviceInstance = vhostUser.getDeviceInstance();
+        if (deviceInstance == null) {
+            request.renumber = 0;
+        } else {
+            request.renumber = 1;
+            request.customDevInstance = Math.toIntExact(deviceInstance);
+        }
+        final String tag = vhostUser.getTag();
+        if (tag != null) {
+            request.tag = tag.getBytes(StandardCharsets.US_ASCII);
+        }
+        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 WriteContext writeContext)
+            throws WriteFailedException {
+        final String swIfName = id.firstKeyOf(Interface.class).getName();
+        modifyVhostUserIf(id, swIfName, dataBefore, dataAfter, writeContext);
+    }
+
+    private void modifyVhostUserIf(final InstanceIdentifier<VhostUser> id, final String swIfName,
+                                   final VhostUser vhostUserBefore, final VhostUser vhostUserAfter,
+                                   final WriteContext writeContext) throws WriteFailedException {
+        LOG.debug("Updating vhost user interface: name={}, vhostUser={}", swIfName, vhostUserAfter);
+        final CompletionStage<ModifyVhostUserIfReply> modifyVhostUserIfReplyCompletionStage =
+                getFutureJVpp()
+                        .modifyVhostUserIf(getModifyVhostUserIfRequest(vhostUserAfter,
+                                interfaceContext.getIndex(swIfName, writeContext.getMappingContext())));
+
+        getReplyForUpdate(modifyVhostUserIfReplyCompletionStage.toCompletableFuture(), id, vhostUserBefore,
+                vhostUserAfter);
+        LOG.debug("Vhost user interface updated successfully for: {}, vhostUser: {}", swIfName, vhostUserAfter);
+    }
+
+    private ModifyVhostUserIf getModifyVhostUserIfRequest(final VhostUser vhostUser, final int swIfIndex) {
+        ModifyVhostUserIf request = new ModifyVhostUserIf();
+        request.isServer = booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole()));
+        request.sockFilename = vhostUser.getSocket().getBytes();
+        final Long deviceInstance = vhostUser.getDeviceInstance();
+        if (deviceInstance == null) {
+            request.renumber = 0;
+        } else {
+            request.renumber = 1;
+            request.customDevInstance = Math.toIntExact(deviceInstance);
+        }
+        request.swIfIndex = swIfIndex;
+        return request;
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VhostUser> id,
+                                        @Nonnull final VhostUser dataBefore, @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String swIfName = id.firstKeyOf(Interface.class).getName();
+        deleteVhostUserIf(id, swIfName, dataBefore, writeContext);
+    }
+
+    private void deleteVhostUserIf(final InstanceIdentifier<VhostUser> id, final String swIfName,
+                                   final VhostUser vhostUser, final WriteContext writeContext)
+            throws WriteFailedException {
+        LOG.debug("Deleting vhost user interface: name={}, vhostUser={}", swIfName, vhostUser);
+        final CompletionStage<DeleteVhostUserIfReply> deleteVhostUserIfReplyCompletionStage =
+                getFutureJVpp().deleteVhostUserIf(getDeleteVhostUserIfRequest(
+                        interfaceContext.getIndex(swIfName, writeContext.getMappingContext())));
+
+        getReplyForDelete(deleteVhostUserIfReplyCompletionStage.toCompletableFuture(), id);
+        LOG.debug("Vhost user interface deleted successfully for: {}, vhostUser: {}", swIfName, vhostUser);
+        // Remove interface from our interface context
+        interfaceContext.removeName(swIfName, writeContext.getMappingContext());
+    }
+
+    private DeleteVhostUserIf getDeleteVhostUserIfRequest(final int swIfIndex) {
+        DeleteVhostUserIf request = new DeleteVhostUserIf();
+        request.swIfIndex = swIfIndex;
+        return request;
+    }
+}