/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.flink.benchmark;

import org.apache.flink.configuration.Configuration;
import org.apache.flink.configuration.CoreOptions;
import org.apache.flink.configuration.NettyShuffleEnvironmentOptions;
import org.apache.flink.streaming.api.graph.StreamGraph;
import org.apache.flink.streaming.api.graph.StreamingJobGraphGenerator;
import org.apache.flink.util.FileUtils;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.OperationsPerInvocation;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import org.openjdk.jmh.runner.options.VerboseMode;

import java.io.IOException;

@OperationsPerInvocation(value = BlockingPartitionRemoteChannelBenchmark.RECORDS_PER_INVOCATION)
public class BlockingPartitionRemoteChannelBenchmark extends RemoteBenchmarkBase {

    private static final int NUM_VERTICES = 2;

    public static void main(String[] args) throws RunnerException {
        Options options = new OptionsBuilder()
            .verbosity(VerboseMode.NORMAL)
            .include(BlockingPartitionRemoteChannelBenchmark.class.getCanonicalName())
            .build();

        new Runner(options).run();
    }

    @Override
    public int getNumberOfVertexes() {
        return NUM_VERTICES;
    }

    @Benchmark
    public void remoteFilePartition(BlockingPartitionEnvironmentContext context) throws Exception {
        StreamGraph streamGraph = StreamGraphUtils.buildGraphForBatchJob(context.env, RECORDS_PER_INVOCATION);
        miniCluster.executeJobBlocking(StreamingJobGraphGenerator.createJobGraph(streamGraph));
    }

    /**
     * Environment context for specific file based bounded blocking partition.
     */
    public static class BlockingPartitionEnvironmentContext extends FlinkEnvironmentContext {

        public void setUp() throws IOException {
            super.setUp();

            env.setParallelism(PARALLELISM);
            env.setBufferTimeout(-1);
        }

        @Override
        protected Configuration createConfiguration() {
            Configuration configuration = super.createConfiguration();

            configuration.setString(NettyShuffleEnvironmentOptions.NETWORK_BLOCKING_SHUFFLE_TYPE, "file");
            configuration.setString(CoreOptions.TMP_DIRS, FileUtils.getCurrentWorkingDirectory().toAbsolutePath().toUri().toString());
            return configuration;
        }
    }
}