1 files changed, 72 insertions, 0 deletions
diff --git a/it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/classify/ClassifyTableProviderImpl.java b/it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/classify/ClassifyTableProviderImpl.java
new file mode 100644
index 000000000..80ebdccd2
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+++ b/it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/classify/ClassifyTableProviderImpl.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2018 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.it.jvpp.benchmark.classify;
+
+import io.fd.vpp.jvpp.core.dto.ClassifyAddDelTable;
+import java.io.Serializable;
+import java.util.Random;
+import javax.annotation.concurrent.NotThreadSafe;
+
+@NotThreadSafe
+class ClassifyTableProviderImpl implements ClassifyTableProvider {
+    /**
+     * Static seed to make rnd.nextBytes() output the same for all test run.
+     */
+    private static final long SEED = -2084670072119134328L;
+    private final int tableSetSize;
+    private final ClassifyAddDelTable[] tables;
+    private final Random rnd = new Random(SEED);
+
+    /**
+     * Pointer to Classify table to be returned by invocation of {@link #next()} method.
+     */
+    private int currentTable = 0;
+
+    ClassifyTableProviderImpl(final int tableSetSize) {
+        this.tableSetSize = tableSetSize;
+        tables = new ClassifyAddDelTable[tableSetSize];
+        initTables(tableSetSize);
+    }
+
+    @Override
+    public ClassifyAddDelTable next() {
+        final ClassifyAddDelTable result = tables[currentTable];
+        currentTable = (currentTable + 1) % tableSetSize;
+        return result;
+    }
+
+    private void initTables(final int tableSetSize) {
+        for (int i = 0; i < tableSetSize; ++i) {
+            tables[i] = createTable();
+        }
+    }
+
+    private ClassifyAddDelTable createTable() {
+        final ClassifyAddDelTable addDelTable = new ClassifyAddDelTable();
+        addDelTable.isAdd = 1;
+        addDelTable.tableIndex = -1;
+        addDelTable.nbuckets = 2;
+        addDelTable.memorySize = 2 << 20;
+        addDelTable.nextTableIndex = ~0;
+        addDelTable.missNextIndex = ~0;
+        addDelTable.skipNVectors = 0;
+        addDelTable.matchNVectors = 1;
+        addDelTable.mask = new byte[16];
+        rnd.nextBytes(addDelTable.mask);
+        return addDelTable;
+    }
+}