1 files changed, 85 insertions, 0 deletions
diff --git a/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/acl/egress/IetfAclCustomizer.java b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/acl/egress/IetfAclCustomizer.java
new file mode 100644
index 000000000..1d457ac52
--- /dev/null
+++ b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/acl/egress/IetfAclCustomizer.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017 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.vpp.classifier.write.acl.egress;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.vpp.classifier.write.acl.common.IetfAclWriter;
+import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.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.vpp.classifier.acl.rev161214.InterfaceMode;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.acl.rev161214.ietf.acl.base.attributes.AccessLists;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.acl.rev161214.vpp.acl.attributes.ietf.acl.Egress;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class IetfAclCustomizer implements WriterCustomizer<Egress> {
+    private static final Logger LOG = LoggerFactory.getLogger(IetfAclCustomizer.class);
+    private final IetfAclWriter aclWriter;
+    private final NamingContext interfaceContext;
+
+    public IetfAclCustomizer(final IetfAclWriter aclWriter, final NamingContext interfaceContext) {
+        this.aclWriter = checkNotNull(aclWriter, "aclWriter should not be null");
+        this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Egress> id, @Nonnull final Egress dataAfter,
+                                       @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        final String ifName = id.firstKeyOf(Interface.class).getName();
+        final int ifIndex = interfaceContext.getIndex(ifName, writeContext.getMappingContext());
+        LOG.debug("Adding egress ACLs for interface={}(id={}): {}", ifName, ifIndex, dataAfter);
+
+        final AccessLists accessLists = dataAfter.getAccessLists();
+        checkArgument(accessLists != null && accessLists.getAcl() != null,
+            "ietf-acl container does not define acl list");
+
+        if (!InterfaceMode.L2.equals(accessLists.getMode())) {
+            LOG.debug("Writing egress Acls is supported only in L2 mode. Ignoring config: {}", dataAfter);
+            return;
+        }
+
+        aclWriter.write(id, ifIndex, accessLists.getAcl(), accessLists.getDefaultAction(), accessLists.getMode(),
+            writeContext, writeContext.getMappingContext());
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Egress> id, @Nonnull final Egress dataBefore,
+                                        @Nonnull final Egress dataAfter, @Nonnull final WriteContext writeContext)
+        throws WriteFailedException {
+        LOG.debug("ACLs update: removing previously configured ACLs");
+        deleteCurrentAttributes(id, dataBefore, writeContext);
+        LOG.debug("ACLs update: adding updated ACLs");
+        writeCurrentAttributes(id, dataAfter, writeContext);
+        LOG.debug("ACLs update was successful");
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Egress> id, @Nonnull final Egress dataBefore,
+                                        @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        final String ifName = id.firstKeyOf(Interface.class).getName();
+        final int ifIndex = interfaceContext.getIndex(ifName, writeContext.getMappingContext());
+        LOG.debug("Removing ACLs for interface={}(id={}): {}", ifName, ifIndex, dataBefore);
+        aclWriter.deleteAcl(id, ifIndex, writeContext.getMappingContext());
+    }
+}