HONEYCOMB-310: translation layer for acl plugin

Not covered by this patch (moved to subsequent commits):
- postman collection
- distinguish ingress/egress ACLs while reading assigned acls
- proper support for acl tag
- unit tests improvements
- read for acls (not necessarily assigned)
- initializers

Change-Id: I5a198ce1a6e20d0b1d95b4d2d83d0464fb86580c
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

1 files changed, 83 insertions, 0 deletions

diff --git a/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java
new file mode 100644
index 000000000..a0d19902a
--- /dev/null
+++ b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/util/ace/extractor/MacIpAceDataExtractor.java
@@ -0,0 +1,83 @@
+/*
+ * 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.acl.util.ace.extractor;
+
+import io.fd.hc2vpp.common.translate.util.AddressTranslator;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.Ace;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.packet.handling.Deny;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.packet.handling.Permit;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppMacipAceIpv4HeaderFields;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppMacipAceIpv6HeaderFields;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.VppMacipAce;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.access.lists.acl.access.list.entries.ace.matches.ace.type.vpp.ace.vpp.ace.nodes.ace.ip.version.AceIpv6;
+
+public interface MacIpAceDataExtractor extends AddressTranslator {
+
+    default VppMacipAce fromMacIpAce(@Nonnull final Ace ace) {
+        return VppMacipAce.class.cast(ace.getMatches().getAceType());
+    }
+
+    default boolean macIpIsIpv6(@Nonnull final VppMacipAce ace) {
+        return ace.getVppMacipAceNodes().getAceIpVersion() instanceof AceIpv6;
+    }
+
+    default byte[] sourceMacAsBytes(@Nonnull final VppMacipAce ace) {
+        return macToByteArray(ace.getVppMacipAceNodes().getSourceMacAddress().getValue());
+    }
+
+    default byte[] sourceMacMaskAsBytes(@Nonnull final VppMacipAce ace) {
+        return macToByteArray(ace.getVppMacipAceNodes().getSourceMacAddressMask().getValue());
+    }
+
+    default byte[] ipv4Address(@Nonnull final VppMacipAce ace) {
+        return ipv4AddressPrefixToArray(
+            VppMacipAceIpv4HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv4Network());
+    }
+
+    default byte ipv4AddressPrefix(@Nonnull final VppMacipAce ace) {
+        return extractPrefix(
+            VppMacipAceIpv4HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv4Network());
+    }
+
+    default byte[] ipv6Address(@Nonnull final VppMacipAce ace) {
+        return ipv6AddressPrefixToArray(
+            VppMacipAceIpv6HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv6Network());
+    }
+
+    default byte ipv6AddressPrefix(@Nonnull final VppMacipAce ace) {
+        return extractPrefix(
+            VppMacipAceIpv6HeaderFields.class.cast(ace.getVppMacipAceNodes().getAceIpVersion()).getSourceIpv6Network());
+    }
+
+    /**
+     * Only 0 and 1 are allowed for mac-ip
+     */
+    default byte macIpAction(@Nonnull final Ace ace) {
+        final PacketHandling action = ace.getActions().getPacketHandling();
+        if (action instanceof Permit) {
+            return 1;
+        } else if (action instanceof Deny) {
+            return 0;
+        } else {
+            throw new IllegalArgumentException(
+                String.format("Unsupported packet-handling action %s for ACE %s", action, ace));
+        }
+    }
+
+}