1 files changed, 173 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/InterfaceCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/InterfaceCustomizer.java
new file mode 100644
index 000000000..3e0a1dc41
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/read/InterfaceCustomizer.java
@@ -0,0 +1,173 @@
+/*
+ * 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.read;
+
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.v3po.DisabledInterfacesManager;
+import io.fd.hc2vpp.v3po.read.cache.InterfaceCacheDumpManager;
+import io.fd.honeycomb.translate.MappingContext;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
+import io.fd.jvpp.core.dto.SwInterfaceDetails;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.Interfaces;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.InterfacesBuilder;
+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.Interface.AdminStatus;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface.OperStatus;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Customizer for reading ietf-interfaces:interfaces/interface.
+ */
+public class InterfaceCustomizer
+        implements InitializingListReaderCustomizer<Interface, InterfaceKey, InterfaceBuilder>, ByteDataTranslator,
+        InterfaceDataTranslator {
+
+    private static final Logger LOG = LoggerFactory.getLogger(InterfaceCustomizer.class);
+    private final NamingContext interfaceNamingContext;
+    private final DisabledInterfacesManager interfaceDisableContext;
+    private final InterfaceCacheDumpManager dumpManager;
+
+    public InterfaceCustomizer(@Nonnull final NamingContext interfaceNamingContext,
+                               @Nonnull final DisabledInterfacesManager interfaceDisableContext,
+                               @Nonnull final InterfaceCacheDumpManager dumpManager) {
+        this.interfaceNamingContext = interfaceNamingContext;
+        this.interfaceDisableContext = interfaceDisableContext;
+        this.dumpManager = dumpManager;
+    }
+
+    @Nonnull
+    @Override
+    public InterfaceBuilder getBuilder(@Nonnull InstanceIdentifier<Interface> id) {
+        return new InterfaceBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull InstanceIdentifier<Interface> id, @Nonnull InterfaceBuilder builder,
+                                      @Nonnull ReadContext ctx) throws ReadFailedException {
+        LOG.debug("Reading attributes for interface: {}", id);
+        final String ifaceName = id.firstKeyOf(id.getTargetType()).getName();
+
+        final int index = interfaceNamingContext.getIndex(ifaceName, ctx.getMappingContext());
+
+        // Ignore disabled interface (such as deleted VXLAN tunnels)
+        if (interfaceDisableContext.isInterfaceDisabled(index, ctx.getMappingContext())) {
+            LOG.debug("Skipping disabled interface: {}", id);
+            return;
+        }
+
+        final SwInterfaceDetails iface = dumpManager.getInterfaceDetail(id, ctx, ifaceName);
+        LOG.debug("Interface details for interface: {}, details: {}", ifaceName, iface);
+
+        if (!isRegularInterface(iface)) {
+            LOG.debug("Interface: {} is a sub-interface. Ignoring read request.", ifaceName);
+            return;
+        }
+
+        builder.setName(ifaceName);
+        builder.setType(getInterfaceType(new String(iface.interfaceName).intern()));
+        builder.setIfIndex(vppIfIndexToYang(iface.swIfIndex));
+        builder.setAdminStatus(1 == iface.adminUpDown
+                ? AdminStatus.Up
+                : AdminStatus.Down);
+        builder.setOperStatus(1 == iface.linkUpDown
+                ? OperStatus.Up
+                : OperStatus.Down);
+        if (0 != iface.linkSpeed) {
+            builder.setSpeed(vppInterfaceSpeedToYang(iface.linkSpeed));
+        }
+        if (iface.l2AddressLength == 6) {
+            builder.setPhysAddress(new PhysAddress(vppPhysAddrToYang(iface.l2Address)));
+        }
+        LOG.trace("Base attributes read for interface: {} as: {}", ifaceName, builder);
+    }
+
+    @Nonnull
+    @Override
+    public List<InterfaceKey> getAllIds(@Nonnull final InstanceIdentifier<Interface> id,
+                                        @Nonnull final ReadContext context) throws ReadFailedException {
+        final List<InterfaceKey> interfacesKeys;
+        LOG.trace("Dumping all interfaces to get all IDs");
+        final MappingContext mappingCtx = context.getMappingContext();
+        final Set<Integer> interfacesIdxs = dumpManager.getInterfaces(id, context)
+                .filter(elt -> elt != null)
+                // Filter out disabled interfaces, dont read them
+                // This also prevents child readers in being invoked such as vxlan (which relies on disabling interfaces)
+                .filter(elt -> !interfaceDisableContext
+                        .isInterfaceDisabled(elt.swIfIndex, mappingCtx))
+                // filter out sub-interfaces
+                .filter(InterfaceDataTranslator.INSTANCE::isRegularInterface)
+                .map(elt -> elt.swIfIndex)
+                .collect(Collectors.toSet());
+
+        // Clean disabled interfaces list
+        interfaceDisableContext.getDisabledInterfaces(mappingCtx).stream()
+                // Find indices not currently in VPP
+                .filter(interfacesIdxs::contains)
+                // Remove from disabled list ... not disabled if not existing
+                .forEach(idx -> interfaceDisableContext.removeDisabledInterface(idx, mappingCtx));
+
+        // Transform indices to keys
+        interfacesKeys = interfacesIdxs.stream()
+                .map(index -> new InterfaceKey(interfaceNamingContext.getName(index, context.getMappingContext())))
+                .collect(Collectors.toList());
+
+        LOG.debug("Interfaces found in VPP: {}", interfacesKeys);
+        return interfacesKeys;
+    }
+
+    @Override
+    public void merge(@Nonnull final org.opendaylight.yangtools.concepts.Builder<? extends DataObject> builder,
+                      @Nonnull final List<Interface> readData) {
+        ((InterfacesBuilder) builder).setInterface(readData);
+    }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface> init(
+            @Nonnull final InstanceIdentifier<Interface> id, @Nonnull final Interface readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceBuilder()
+                        .setName(readValue.getName())
+                        .setType(readValue.getType())
+                        .setEnabled(AdminStatus.Up.equals(readValue.getAdminStatus()))
+                        // Not present in interfaces
+                        // .setLinkUpDownTrapEnable()
+                        .build());
+    }
+
+    public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface> getCfgId(
+            final InstanceIdentifier<Interface> id) {
+        return InstanceIdentifier.create(Interfaces.class).child(
+                org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface.class,
+                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey(
+                        id.firstKeyOf(Interface.class).getName()));
+    }
+}