1 files changed, 179 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/L2Customizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/L2Customizer.java
new file mode 100644
index 000000000..e596f8fbf
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/L2Customizer.java
@@ -0,0 +1,179 @@
+/*
+ * 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 static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.v3po.translate.Context;
+import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.v3po.util.VppApiCustomizer;
+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 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.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.L2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.Interconnection;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.interconnection.BridgeBased;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.interconnection.XconnectBased;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class L2Customizer extends VppApiCustomizer implements ChildWriterCustomizer<L2> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(L2Customizer.class);
+
+    public L2Customizer(final org.openvpp.vppjapi.vppApi vppApi) {
+        super(vppApi);
+    }
+
+    @Nonnull
+    @Override
+    public Optional<L2> extract(@Nonnull final InstanceIdentifier<L2> currentId, @Nonnull final DataObject parentData) {
+        return Optional.fromNullable(((VppInterfaceAugmentation) parentData).getL2());
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<L2> id, @Nonnull final L2 dataAfter,
+                                       @Nonnull final Context writeContext)
+        throws WriteFailedException {
+        final Interface ifc = (Interface) writeContext.get(InterfaceCustomizer.IFC_AFTER_CTX);
+
+        final int swIfc = getSwIfc(ifc);
+        try {
+            setL2(id, swIfc, ifc, dataAfter);
+        } catch (VppApiInvocationException e) {
+            LOG.warn("Write of L2 failed", e);
+            throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
+        }
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<L2> id, @Nonnull final L2 dataBefore,
+                                        @Nonnull final L2 dataAfter, @Nonnull final Context writeContext)
+        throws WriteFailedException {
+        final Interface ifcBefore = (Interface) writeContext.get(InterfaceCustomizer.IFC_BEFORE_CTX);
+        final Interface ifcAfter = (Interface) writeContext.get(InterfaceCustomizer.IFC_BEFORE_CTX);
+
+        final int swIfc = getSwIfc(ifcBefore);
+        // TODO handle update properly (if possible)
+        try {
+            setL2(id, swIfc, ifcAfter, dataAfter);
+        } catch (VppApiInvocationException e) {
+            LOG.warn("Update of L2 failed", e);
+            throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e);
+        }
+    }
+
+    private int getSwIfc(final Interface ifcBefore) {
+        int swIfcIndex = getVppApi().swIfIndexFromName(ifcBefore.getName());
+        checkArgument(swIfcIndex != -1, "Interface %s does not exist", ifcBefore.getName());
+        return swIfcIndex;
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<L2> id, @Nonnull final L2 dataBefore,
+                                        @Nonnull final Context writeContext) {
+        final Interface ifcBefore = (Interface) writeContext.get(InterfaceCustomizer.IFC_BEFORE_CTX);
+
+        final int swIfc = getSwIfc(ifcBefore);
+        // TODO implement delete (if possible)
+    }
+
+    private void setL2(final InstanceIdentifier<L2> id, final int swIfIndex, final Interface ifc, final L2 vppL2)
+        throws VppApiInvocationException, WriteFailedException {
+        LOG.debug("Setting L2 for interface: %s", ifc.getName());
+        // Nothing besides interconnection here
+        setInterconnection(id, swIfIndex, ifc, vppL2);
+    }
+
+    private void setInterconnection(final InstanceIdentifier<L2> id, final int swIfIndex, final Interface ifc,
+                                    final L2 vppL2)
+        throws VppApiInvocationException, WriteFailedException {
+        Interconnection ic = vppL2.getInterconnection();
+        if (ic instanceof XconnectBased) {
+            setXconnectBasedL2(swIfIndex, ifc, (XconnectBased) ic);
+        } else if (ic instanceof BridgeBased) {
+            setBridgeBasedL2(swIfIndex, ifc, (BridgeBased) ic);
+        } else {
+            // FIXME how does choice extensibility work
+            // FIXME it is not even possible to create a dedicated customizer for Interconnection, since it's not a DataObject
+            // FIXME we might need a choice customizer
+            // THis choice is already from augment, so its probably not possible to augment augmented choice
+            LOG.error("Unable to handle Interconnection of type {}", ic.getClass());
+            throw new WriteFailedException(id, "Unable to handle Interconnection of type " + ic.getClass());
+        }
+    }
+
+    private void setBridgeBasedL2(final int swIfIndex, final Interface ifc, final BridgeBased bb)
+        throws VppApiInvocationException {
+
+        LOG.debug("Setting bridge based interconnection(bridge-domain=%s) for interface: %s",
+            bb.getBridgeDomain(), ifc.getName());
+
+        String bdName = bb.getBridgeDomain();
+        int bdId = getVppApi().bridgeDomainIdFromName(bdName);
+        checkArgument(bdId > 0, "Unable to set Interconnection for Interface: %s, bridge domain: %s does not exist",
+            ifc.getName(), bdName);
+
+        byte bvi = bb.isBridgedVirtualInterface()
+            ? (byte) 1
+            : (byte) 0;
+        byte shg = bb.getSplitHorizonGroup().byteValue();
+
+        final int ctxId = getVppApi().swInterfaceSetL2Bridge(swIfIndex, bdId, shg, bvi, (byte) 1 /* enable */);
+        final int rv = V3poUtils.waitForResponse(ctxId, getVppApi());
+
+        if (rv < 0) {
+            LOG.warn("Failed to update bridge based interconnection flags for: {}, interconnection: {}", ifc.getName(),
+                bb);
+            throw new VppApiInvocationException("swInterfaceSetL2Bridge", ctxId, rv);
+        } else {
+            LOG.debug("Bridge based interconnection updated successfully for: {}, interconnection: {}", ifc.getName(),
+                bb);
+        }
+    }
+
+    private void setXconnectBasedL2(final int swIfIndex, final Interface ifc, final XconnectBased ic)
+        throws VppApiInvocationException {
+
+        String outSwIfName = ic.getXconnectOutgoingInterface();
+        LOG.debug("Setting xconnect based interconnection(outgoing ifc=%s) for interface: %s", outSwIfName,
+            ifc.getName());
+
+        int outSwIfIndex = getVppApi().swIfIndexFromName(outSwIfName);
+        checkArgument(outSwIfIndex > 0,
+            "Unable to set Interconnection for Interface: %s, outgoing interface: %s does not exist",
+            ifc.getName(), outSwIfIndex);
+
+        int ctxId = getVppApi().swInterfaceSetL2Xconnect(swIfIndex, outSwIfIndex, (byte) 1 /* enable */);
+        final int rv = V3poUtils.waitForResponse(ctxId, getVppApi());
+
+        if (rv < 0) {
+            LOG.warn("Failed to update xconnect based interconnection flags for: {}, interconnection: {}",
+                ifc.getName(), ic);
+            throw new VppApiInvocationException("swInterfaceSetL2Xconnect", ctxId, rv);
+        } else {
+            LOG.debug("Xconnect based interconnection updated successfully for: {}, interconnection: {}", ifc.getName(),
+                ic);
+        }
+    }
+}