code: /*
   * 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.skywalking.oap.server.core.profiling.ebpf.storage;
  
  import com.google.common.hash.Hashing;
  import com.linecorp.armeria.internal.shaded.guava.base.Charsets;
  import lombok.Data;
  import org.apache.skywalking.oap.server.core.analysis.Stream;
  import org.apache.skywalking.oap.server.core.analysis.record.Record;
  import org.apache.skywalking.oap.server.core.analysis.worker.RecordStreamProcessor;
  import org.apache.skywalking.oap.server.core.storage.StorageID;
  import org.apache.skywalking.oap.server.core.storage.annotation.BanyanDB;
  import org.apache.skywalking.oap.server.core.storage.annotation.Column;
  import org.apache.skywalking.oap.server.core.storage.type.Convert2Entity;
  import org.apache.skywalking.oap.server.core.storage.type.Convert2Storage;
  import org.apache.skywalking.oap.server.core.storage.type.StorageBuilder;
  
  import static org.apache.skywalking.oap.server.core.source.DefaultScopeDefine.EBPF_PROFILING_DATA;
  
  /**
   * eBPF profiling reported data from the eBPF agent side
   */
  @Data
  @Stream(name = EBPFProfilingDataRecord.INDEX_NAME, scopeId = EBPF_PROFILING_DATA,
      builder = EBPFProfilingDataRecord.Builder.class, processor = RecordStreamProcessor.class)
  @BanyanDB.TimestampColumn(EBPFProfilingDataRecord.UPLOAD_TIME)
  public class EBPFProfilingDataRecord extends Record {
  
      public static final String INDEX_NAME = "ebpf_profiling_data";
      public static final String SCHEDULE_ID = "schedule_id";
      public static final String TASK_ID = "task_id";
      public static final String STACK_ID_LIST = "stack_id";
      public static final String TARGET_TYPE = "target_type";
      public static final String DATA_BINARY = "dump_binary";
      public static final String UPLOAD_TIME = "upload_time";
  
      @Column(name = TASK_ID)
      @BanyanDB.SeriesID(index = 0)
      private String taskId;
      @Column(name = SCHEDULE_ID)
      private String scheduleId;
      @Column(name = STACK_ID_LIST)
      private String stackIdList;
      @Column(name = TARGET_TYPE)
      private int targetType;
      @Column(name = DATA_BINARY, storageOnly = true)
      private byte[] dataBinary;
      @Column(name = UPLOAD_TIME)
      private long uploadTime;
  
      @Override
      public StorageID id() {
          return new StorageID().appendMutant(
              new String[] {
                  SCHEDULE_ID,
                  STACK_ID_LIST,
                  UPLOAD_TIME
              },
              Hashing.sha256().newHasher()
                     .putString(scheduleId, Charsets.UTF_8)
                     .putString(stackIdList, Charsets.UTF_8)
                     .putLong(uploadTime)
                     .hash().toString()
          );
      }
  
      public static class Builder implements StorageBuilder<EBPFProfilingDataRecord> {
  
          @Override
          public EBPFProfilingDataRecord storage2Entity(final Convert2Entity converter) {
              final EBPFProfilingDataRecord dataTraffic = new EBPFProfilingDataRecord();
              dataTraffic.setScheduleId((String) converter.get(SCHEDULE_ID));
              dataTraffic.setTaskId((String) converter.get(TASK_ID));
              dataTraffic.setStackIdList((String) converter.get(STACK_ID_LIST));
              dataTraffic.setTargetType(((Number) converter.get(TARGET_TYPE)).intValue());
              dataTraffic.setDataBinary(converter.getBytes(DATA_BINARY));
              dataTraffic.setUploadTime(((Number) converter.get(UPLOAD_TIME)).longValue());
              dataTraffic.setTimeBucket(((Number) converter.get(TIME_BUCKET)).longValue());
              return dataTraffic;
          }
  
          @Override
          public void entity2Storage(final EBPFProfilingDataRecord storageData, final Convert2Storage converter) {
              converter.accept(SCHEDULE_ID, storageData.getScheduleId());
              converter.accept(TASK_ID, storageData.getTaskId());
              converter.accept(STACK_ID_LIST, storageData.getStackIdList());
              converter.accept(TARGET_TYPE, storageData.getTargetType());
              converter.accept(DATA_BINARY, storageData.getDataBinary());
              converter.accept(UPLOAD_TIME, storageData.getUploadTime());
              converter.accept(TIME_BUCKET, storageData.getTimeBucket());
          }
      }
  }
  