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/*
* 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.honeycomb.benchmark.memory;
import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;
import org.slf4j.Logger;
import javax.annotation.Nonnull;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Collections;
import java.util.function.Supplier;
public interface BenchmarkFilesProvider {
default void outputBenchmarkResult(@Nonnull final MemoryInfo benchmarkResult,
@Nonnull final String outputPath,
@Nonnull final Logger logger) {
// specifies output file in form specified_name-memory_info_type.csv
final Path outPath = Paths.get(outputPath + "-" + benchmarkResult.getMemoryInfoTypeName() + ".csv");
final CSVFormat csvFormat = CSVFormat.RFC4180.withHeader(MemoryInfo.COMMITTED, MemoryInfo.INIT, MemoryInfo.MAX, MemoryInfo.USED);
try (final CSVPrinter csvPrinter = new CSVPrinter(new StringBuilder(), csvFormat)) {
// prints values in same order that header is
csvPrinter.printRecord(benchmarkResult.getCommitted(), benchmarkResult.getInit(), benchmarkResult.getMax(), benchmarkResult.getUsed());
logger.info("Creating output file {}", outPath);
// writes output to separate file
Files.write(Files.createFile(outPath), Collections.singleton(csvPrinter.getOut().toString()));
} catch (IOException e) {
throw new IllegalStateException("Unable to output results of benchmark", e);
}
}
default String generateEmptyJsonFile(final String fileName) {
try {
Path tempFilePath = Files.createTempFile(fileName, ".json");
Files.write(tempFilePath, Arrays.asList("{}"));
return tempFilePath.normalize().toString();
} catch (IOException e) {
throw new IllegalStateException("Unable to create temp config data file");
}
}
/**
* Generate dummy data file to be provided for honeycomb as config data
*/
default String generateNonEmptyConfigDataFile(final String fileName, final int dataSampleSize) {
try {
Path tempFilePath = Files.createTempFile(fileName, ".json");
StringBuilder dataBuilder = new StringBuilder();
dataBuilder.append("{\"mm-bench:config-data\":{\"config-list\":[");
for (int i = 0; i < dataSampleSize; i++) {
dataBuilder.append("{\"name\":\"")
.append(String.valueOf(i))
.append("\"}");
if (i != dataSampleSize - 1) {
dataBuilder.append(",");
}
}
dataBuilder.append("]}}");
Files.write(tempFilePath, Arrays.asList(dataBuilder.toString()));
return tempFilePath.normalize().toString();
} catch (IOException e) {
throw new IllegalStateException("Unable to create temp config data file");
}
}
}
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