diff options
Diffstat (limited to 'it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/classify/ClassifyTableProviderImpl.java')
-rw-r--r-- | it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/classify/ClassifyTableProviderImpl.java | 72 |
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 --- /dev/null +++ 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; + } +} |