content: /*
   * Copyright (C) 2016-2023 ActionTech.
   * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher.
   */
  
  package com.actiontech.dble.services.manager.response;
  
  import com.actiontech.dble.backend.mysql.PacketUtil;
  import com.actiontech.dble.config.Fields;
  import com.actiontech.dble.net.mysql.*;
  import com.actiontech.dble.services.manager.ManagerService;
  import com.actiontech.dble.services.manager.dump.ErrorMsg;
  import com.actiontech.dble.util.StringUtil;
  
  import java.nio.ByteBuffer;
  import java.util.List;
  
  /**
   * Created by baofengqi on 2018/8/6.
   */
  public final class DumpFileError {
  
      private static final int FIELD_COUNT = 2;
      private static final ResultSetHeaderPacket HEADER = PacketUtil.getHeader(FIELD_COUNT);
      private static final FieldPacket[] FIELDS = new FieldPacket[FIELD_COUNT];
      private static final EOFPacket EOF = new EOFPacket();
  
      static {
          int i = 0;
          byte packetId = 0;
          HEADER.setPacketId(++packetId);
  
          FIELDS[i] = PacketUtil.getField("SUMMARY", Fields.FIELD_TYPE_VAR_STRING);
          FIELDS[i++].setPacketId(++packetId);
  
          FIELDS[i] = PacketUtil.getField("DETAIL", Fields.FIELD_TYPE_VAR_STRING);
          FIELDS[i].setPacketId(++packetId);
  
          EOF.setPacketId(++packetId);
      }
  
  
      private DumpFileError() {
      }
  
      public static void execute(ManagerService service, List<ErrorMsg> errors) {
          ByteBuffer buffer = service.allocate();
          buffer = HEADER.write(buffer, service, true);
          for (FieldPacket field : FIELDS) {
              buffer = field.write(buffer, service, true);
          }
          buffer = EOF.write(buffer, service, true);
          byte packetId = EOF.getPacketId();
          for (ErrorMsg err : errors) {
              RowDataPacket row = getRow(err, service.getCharset().getResults());
              row.setPacketId(++packetId);
              buffer = row.write(buffer, service, true);
          }
          EOFRowPacket lastEof = new EOFRowPacket();
          lastEof.setPacketId(++packetId);
          lastEof.write(buffer, service);
  
      }
  
      private static RowDataPacket getRow(ErrorMsg err, String charset) {
          RowDataPacket row = new RowDataPacket(FIELD_COUNT);
          row.add(StringUtil.encode(err.getTarget(), charset));
          row.add(StringUtil.encode(err.getErrorMeg(), charset));
          return row;
      }
  
  }
  