1 files changed, 54 insertions, 0 deletions
diff --git a/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/acl/common/AceWriter.java b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/acl/common/AceWriter.java
new file mode 100644
index 000000000..228527f69
--- /dev/null
+++ b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/acl/common/AceWriter.java
@@ -0,0 +1,54 @@
+/*
+ * 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.common;
+
+import io.fd.vpp.jvpp.core.dto.ClassifyAddDelSession;
+import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable;
+import java.util.List;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+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.matches.AceType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.acl.rev161214.InterfaceMode;
+
+/**
+ * Writer responsible for translation of ietf-acl model ACEs to VPP's classify tables and sessions.
+ *
+ * @param <T> type of access control list entry
+ */
+interface AceWriter<T extends AceType> {
+    /**
+     * @param ace            access list entry
+     * @param mode           interface mode (L2/L3)
+     * @param nextTableIndex index of the next classify table in chain
+     * @param vlanTags       number of vlan tags
+     */
+    @Nonnull
+    ClassifyAddDelTable createTable(@Nonnull final T ace, @Nullable final InterfaceMode mode, final int nextTableIndex,
+                                    final int vlanTags);
+
+    /**
+     * @param action     to be taken when packet does match the specified ace
+     * @param ace        access list entry
+     * @param mode       interface mode (L2/L3)
+     * @param tableIndex index of corresponding classify table
+     * @param vlanTags   number of vlan tags
+     */
+    @Nonnull
+    List<ClassifyAddDelSession> createSession(@Nonnull final PacketHandling action, @Nonnull T ace,
+                                              @Nullable final InterfaceMode mode, final int tableIndex, final int vlanTags);
+}