content: /*
   * 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.celeborn.service.deploy.worker.storage.local;
  
  import static org.junit.Assert.assertEquals;
  
  import java.io.File;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.nio.ByteOrder;
  import java.nio.charset.StandardCharsets;
  import java.util.concurrent.ThreadLocalRandom;
  import java.util.concurrent.atomic.AtomicLong;
  
  import scala.Function0;
  import scala.collection.mutable.ListBuffer;
  
  import io.netty.buffer.Unpooled;
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.mockito.Mockito;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.apache.celeborn.common.CelebornConf;
  import org.apache.celeborn.common.identity.UserIdentifier;
  import org.apache.celeborn.common.network.util.NettyUtils;
  import org.apache.celeborn.common.network.util.TransportConf;
  import org.apache.celeborn.common.protocol.*;
  import org.apache.celeborn.common.util.JavaUtils;
  import org.apache.celeborn.common.util.Utils;
  import org.apache.celeborn.service.deploy.worker.WorkerSource;
  import org.apache.celeborn.service.deploy.worker.memory.MemoryManager;
  import org.apache.celeborn.service.deploy.worker.storage.*;
  
  public class DiskMapPartitionDataWriterSuiteJ {
  
    private static final Logger LOG = LoggerFactory.getLogger(DiskMapPartitionDataWriterSuiteJ.class);
  
    private static final CelebornConf CONF = new CelebornConf();
    public static final Long SPLIT_THRESHOLD = 256 * 1024 * 1024L;
    public static final PartitionSplitMode splitMode = PartitionSplitMode.HARD;
  
    private static File tempDir = null;
    private static LocalFlusher localFlusher = null;
    private static WorkerSource source = null;
  
    private final UserIdentifier userIdentifier = new UserIdentifier("mock-tenantId", "mock-name");
    private static StoragePolicy storagePolicy;
  
    @BeforeClass
    public static void beforeAll() {
      tempDir =
          Utils.createTempDir(
              System.getProperty("java.io.tmpdir"), "celeborn" + System.currentTimeMillis());
  
      source = Mockito.mock(WorkerSource.class);
      storagePolicy = Mockito.mock(StoragePolicy.class);
      Mockito.doAnswer(
              invocationOnMock -> {
                Function0<?> function = (Function0<?>) invocationOnMock.getArguments()[2];
                return function.apply();
              })
          .when(source)
          .sample(Mockito.anyString(), Mockito.anyString(), Mockito.any(Function0.class));
  
      ListBuffer<File> dirs = new ListBuffer<>();
      dirs.$plus$eq(tempDir);
      localFlusher =
          new LocalFlusher(
              source,
              DeviceMonitor$.MODULE$.EmptyMonitor(),
              1,
              NettyUtils.getByteBufAllocator(new TransportConf("test", CONF), null, true),
              256,
              "disk1",
              StorageInfo.Type.HDD,
              null,
              CONF.workerFlusherBufferSize());
  
      CelebornConf conf = new CelebornConf();
      conf.set(CelebornConf.WORKER_DIRECT_MEMORY_RATIO_PAUSE_RECEIVE().key(), "0.8");
      conf.set(CelebornConf.WORKER_DIRECT_MEMORY_RATIO_PAUSE_REPLICATE().key(), "0.9");
      conf.set(CelebornConf.WORKER_DIRECT_MEMORY_RATIO_RESUME().key(), "0.5");
      conf.set(CelebornConf.WORKER_PARTITION_SORTER_DIRECT_MEMORY_RATIO_THRESHOLD().key(), "0.6");
      conf.set(CelebornConf.WORKER_DIRECT_MEMORY_RATIO_FOR_READ_BUFFER().key(), "0.1");
      conf.set(CelebornConf.WORKER_DIRECT_MEMORY_RATIO_FOR_MEMORY_FILE_STORAGE().key(), "0.1");
      conf.set(CelebornConf.WORKER_DIRECT_MEMORY_CHECK_INTERVAL().key(), "10");
      conf.set(CelebornConf.WORKER_DIRECT_MEMORY_REPORT_INTERVAL().key(), "10");
      conf.set(CelebornConf.WORKER_READBUFFER_ALLOCATIONWAIT().key(), "10ms");
      MemoryManager.initialize(conf);
    }
  
    @AfterClass
    public static void afterAll() {
      if (tempDir != null) {
        try {
          JavaUtils.deleteRecursively(tempDir);
          tempDir = null;
        } catch (IOException e) {
          LOG.error("Failed to delete temp dir.", e);
        }
      }
    }
  
    @Test
    public void testMultiThreadWrite() throws IOException {
      PartitionLocation partitionLocation = Mockito.mock(PartitionLocation.class);
      PartitionDataWriterContext context =
          new PartitionDataWriterContext(
              SPLIT_THRESHOLD,
              splitMode,
              false,
              partitionLocation,
              "app1",
              1,
              userIdentifier,
              PartitionType.MAP,
              false,
              false);
      PartitionDataWriter fileWriter =
          new PartitionDataWriter(
              PartitionDataWriterSuiteUtils.prepareDiskFileTestEnvironment(
                  tempDir, userIdentifier, localFlusher, false, CONF, storagePolicy, context),
              source,
              CONF,
              DeviceMonitor$.MODULE$.EmptyMonitor(),
              context);
      fileWriter.handleEvents(
          PbPushDataHandShake.newBuilder().setNumPartitions(2).setBufferSize(32).build());
      fileWriter.handleEvents(
          PbRegionStart.newBuilder().setCurrentRegionIndex(0).setIsBroadcast(false).build());
      byte[] partData0 = generateData(0);
      byte[] partData1 = generateData(1);
      AtomicLong length = new AtomicLong(0);
      try {
        fileWriter.write(Unpooled.wrappedBuffer(partData0));
        length.addAndGet(partData0.length);
        fileWriter.write(Unpooled.wrappedBuffer(partData1));
        length.addAndGet(partData1.length);
  
        fileWriter.handleEvents(PbRegionFinish.newBuilder().build());
      } catch (IOException e) {
        LOG.error("Failed to write buffer.", e);
      }
      long bytesWritten = fileWriter.close();
  
      assertEquals(length.get(), bytesWritten);
      assertEquals(new File(fileWriter.getFilePath()).length(), bytesWritten);
      assert scala.collection.JavaConverters.asJavaCollectionConverter(source.histograms().toSeq())
          .asJavaCollection().stream()
          .anyMatch(
              histogram ->
                  histogram.name().equals(WorkerSource.PARTITION_FILE_SIZE())
                      && histogram.histogram().getSnapshot().getMax() > 0);
    }
  
    private byte[] generateData(int partitionId) {
      ThreadLocalRandom rand = ThreadLocalRandom.current();
      byte[] hello = "hello, world".getBytes(StandardCharsets.UTF_8);
      int headerLength = 16;
      int tempLen = rand.nextInt(256 * 1024) + 128 * 1024 - headerLength;
      int len = (int) (Math.ceil(1.0 * tempLen / hello.length) * hello.length) + headerLength;
  
      byte[] data = new byte[len];
      ByteBuffer byteBuffer = ByteBuffer.wrap(data).order(ByteOrder.BIG_ENDIAN);
      byteBuffer.putInt(0, partitionId);
      byteBuffer.putInt(4, 0);
      byteBuffer.putInt(8, rand.nextInt());
      byteBuffer.putInt(12, len);
  
      for (int i = headerLength; i < len; i += hello.length) {
        System.arraycopy(hello, 0, data, i, hello.length);
      }
      return data;
    }
  }
  