1 files changed, 164 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/VxlanGpeCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/VxlanGpeCustomizer.java
new file mode 100644
index 000000000..b435fa169
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/write/VxlanGpeCustomizer.java
@@ -0,0 +1,164 @@
+/*
+ * 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.AddressTranslator;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.v3po.DisabledInterfacesManager;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.jvpp.core.dto.VxlanGpeAddDelTunnel;
+import io.fd.jvpp.core.dto.VxlanGpeAddDelTunnelReply;
+import io.fd.jvpp.core.future.FutureJVppCore;
+import java.util.concurrent.CompletionStage;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VxlanGpeTunnel;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.VxlanGpe;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressNoZone;
+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 class VxlanGpeCustomizer extends AbstractInterfaceTypeCustomizer<VxlanGpe> implements JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(VxlanGpeCustomizer.class);
+    private final NamingContext interfaceNamingContext;
+    private final DisabledInterfacesManager interfaceDisableContext;
+
+    public VxlanGpeCustomizer(@Nonnull final FutureJVppCore vppApi,
+                              @Nonnull final NamingContext interfaceNamingContext,
+                              @Nonnull final DisabledInterfacesManager interfaceDisableContext) {
+        super(vppApi);
+        this.interfaceNamingContext = interfaceNamingContext;
+        this.interfaceDisableContext = interfaceDisableContext;
+    }
+
+    @Override
+    protected Class<? extends InterfaceType> getExpectedInterfaceType() {
+        return VxlanGpeTunnel.class;
+    }
+
+    @Override
+    protected final void writeInterface(@Nonnull final InstanceIdentifier<VxlanGpe> id,
+                                        @Nonnull final VxlanGpe dataAfter,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String swIfName = id.firstKeyOf(Interface.class).getName();
+        createVxlanGpeTunnel(id, swIfName, dataAfter, writeContext);
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VxlanGpe> id,
+                                        @Nonnull final VxlanGpe dataBefore,
+                                        @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        final String swIfName = id.firstKeyOf(Interface.class).getName();
+        deleteVxlanGpeTunnel(id, swIfName, dataBefore, writeContext);
+    }
+
+    private void createVxlanGpeTunnel(final InstanceIdentifier<VxlanGpe> id, final String swIfName,
+                                      final VxlanGpe vxlanGpe, final WriteContext writeContext)
+            throws WriteFailedException {
+        final byte isIpv6 = (byte) (isIpv6(vxlanGpe)
+                ? 1
+                : 0);
+
+        int vni = vxlanGpe.getVni().getValue().intValue();
+        byte protocol = (byte) vxlanGpe.getNextProtocol().getIntValue();
+        int encapVrfId = vxlanGpe.getEncapVrfId().intValue();
+        int decapVrfId = vxlanGpe.getDecapVrfId().intValue();
+
+        LOG.debug("Setting VxlanGpe tunnel for interface: {}. VxlanGpe: {}", swIfName, vxlanGpe);
+        final CompletionStage<VxlanGpeAddDelTunnelReply> VxlanGpeAddDelTunnelReplyCompletionStage =
+                getFutureJVpp()
+                        .vxlanGpeAddDelTunnel(getVxlanGpeTunnelRequest((byte) 1 /* is add */, vxlanGpe.getLocal(),
+                                vxlanGpe.getRemote(), vni, protocol, encapVrfId, decapVrfId, isIpv6));
+
+        final VxlanGpeAddDelTunnelReply reply =
+                getReplyForCreate(VxlanGpeAddDelTunnelReplyCompletionStage.toCompletableFuture(), id, vxlanGpe);
+        LOG.debug("VxlanGpe tunnel set successfully for: {}, VxlanGpe: {}", swIfName, vxlanGpe);
+        if (interfaceNamingContext.containsName(reply.swIfIndex, writeContext.getMappingContext())) {
+            final String formerName = interfaceNamingContext.getName(reply.swIfIndex, writeContext.getMappingContext());
+            LOG.debug("Removing updated mapping of a vxlan-gpe tunnel, id: {}, former name: {}, new name: {}",
+                    reply.swIfIndex, formerName, swIfName);
+            interfaceNamingContext.removeName(formerName, writeContext.getMappingContext());
+        }
+
+        // Removing disability of an interface in case a vxlan-gpe tunnel formerly deleted is being reused in VPP
+        // further details in above comment
+        if (interfaceDisableContext.isInterfaceDisabled(reply.swIfIndex, writeContext.getMappingContext())) {
+            LOG.debug("Removing disability of vxlan tunnel, id: {}, name: {}", reply.swIfIndex, swIfName);
+            interfaceDisableContext.removeDisabledInterface(reply.swIfIndex, writeContext.getMappingContext());
+        }
+
+        // Add new interface to our interface context
+        interfaceNamingContext.addName(reply.swIfIndex, swIfName, writeContext.getMappingContext());
+    }
+
+    private boolean isIpv6(final VxlanGpe vxlanGpe) {
+        return vxlanGpe.getLocal().getIpv4AddressNoZone() == null;
+
+    }
+
+    private void deleteVxlanGpeTunnel(final InstanceIdentifier<VxlanGpe> id, final String swIfName,
+                                      final VxlanGpe vxlanGpe, final WriteContext writeContext)
+            throws WriteFailedException {
+        final byte isIpv6 = (byte) (isIpv6(vxlanGpe)
+                ? 1
+                : 0);
+
+        int vni = vxlanGpe.getVni().getValue().intValue();
+        byte protocol = (byte) vxlanGpe.getNextProtocol().getIntValue();
+        int encapVrfId = vxlanGpe.getEncapVrfId().intValue();
+        int decapVrfId = vxlanGpe.getDecapVrfId().intValue();
+
+        LOG.debug("Deleting VxlanGpe tunnel for interface: {}. VxlanGpe: {}", swIfName, vxlanGpe);
+        final CompletionStage<VxlanGpeAddDelTunnelReply> VxlanGpeAddDelTunnelReplyCompletionStage =
+                getFutureJVpp()
+                        .vxlanGpeAddDelTunnel(getVxlanGpeTunnelRequest((byte) 0 /* is delete */, vxlanGpe.getLocal(),
+                                vxlanGpe.getRemote(), vni, protocol, encapVrfId, decapVrfId, isIpv6));
+        getReplyForDelete(VxlanGpeAddDelTunnelReplyCompletionStage.toCompletableFuture(), id);
+        final int index = interfaceNamingContext.getIndex(swIfName, writeContext.getMappingContext());
+        // Mark this interface as disabled to not include it in operational reads
+        // because VPP will keep the interface there
+        LOG.debug("Marking vxlan tunnel as disabled, id: {}, name: {}", index, swIfName);
+        interfaceDisableContext.disableInterface(index, writeContext.getMappingContext());
+        // Remove interface from our interface naming context
+        interfaceNamingContext.removeName(swIfName, writeContext.getMappingContext());
+    }
+
+    private static VxlanGpeAddDelTunnel getVxlanGpeTunnelRequest(final byte isAdd, final IpAddressNoZone local,
+                                                                 final IpAddressNoZone remote,
+                                                                 final int vni, final byte protocol,
+                                                                 final int encapVrfId, final int decapVrfId,
+                                                                 final byte isIpv6) {
+        final VxlanGpeAddDelTunnel VxlanGpeAddDelTunnel = new VxlanGpeAddDelTunnel();
+        VxlanGpeAddDelTunnel.isAdd = isAdd;
+        VxlanGpeAddDelTunnel.local = AddressTranslator.INSTANCE.ipAddressToArray(local);
+        VxlanGpeAddDelTunnel.remote = AddressTranslator.INSTANCE.ipAddressToArray(remote);
+        VxlanGpeAddDelTunnel.vni = vni;
+        VxlanGpeAddDelTunnel.protocol = protocol;
+        VxlanGpeAddDelTunnel.encapVrfId = encapVrfId;
+        VxlanGpeAddDelTunnel.decapVrfId = decapVrfId;
+        VxlanGpeAddDelTunnel.isIpv6 = isIpv6;
+        return VxlanGpeAddDelTunnel;
+    }
+}