content: /*
   * Copyright (C) 2016-2023 ActionTech.
   * based on code by MyCATCopyrightHolder Copyright (c) 2013, OpenCloudDB/MyCAT.
   * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher.
   */
  package com.actiontech.dble.services.manager.response;
  
  import com.actiontech.dble.DbleServer;
  import com.actiontech.dble.backend.datasource.PhysicalDbGroup;
  import com.actiontech.dble.backend.datasource.PhysicalDbInstance;
  import com.actiontech.dble.backend.mysql.PacketUtil;
  import com.actiontech.dble.config.Fields;
  import com.actiontech.dble.config.model.db.PoolConfig;
  import com.actiontech.dble.net.mysql.*;
  import com.actiontech.dble.services.manager.ManagerService;
  import com.actiontech.dble.util.StringUtil;
  
  import java.nio.ByteBuffer;
  
  /**
   * Show Active Connection
   *
   * @author mycat
   */
  public final class ShowConnectionPoolProperty {
      private static final int FIELD_COUNT = 4;
      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("DB_GROUP", Fields.FIELD_TYPE_VAR_STRING);
          FIELDS[i++].setPacketId(++packetId);
  
          FIELDS[i] = PacketUtil.getField("DB_INSTANCE", Fields.FIELD_TYPE_VAR_STRING);
          FIELDS[i++].setPacketId(++packetId);
  
          FIELDS[i] = PacketUtil.getField("PROPERTY", Fields.FIELD_TYPE_VAR_STRING);
          FIELDS[i++].setPacketId(++packetId);
  
          FIELDS[i] = PacketUtil.getField("VALUE", Fields.FIELD_TYPE_VAR_STRING);
          FIELDS[i].setPacketId(++packetId);
  
          EOF.setPacketId(++packetId);
      }
  
      private ShowConnectionPoolProperty() {
      }
  
      public static void execute(ManagerService service) {
          ByteBuffer buffer = service.allocate();
  
          // write header
          buffer = HEADER.write(buffer, service, true);
  
          // write fields
          for (FieldPacket field : FIELDS) {
              buffer = field.write(buffer, service, true);
          }
  
          // write eof
          buffer = EOF.write(buffer, service, true);
  
          // write rows
          byte packetId = EOF.getPacketId();
  
          PoolConfig poolConfig;
          for (PhysicalDbGroup group : DbleServer.getInstance().getConfig().getDbGroups().values()) {
              for (PhysicalDbInstance instance : group.getDbInstances(true)) {
                  poolConfig = instance.getConfig().getPoolConfig();
                  RowDataPacket row = getRow(group.getGroupName(), instance.getName(), "minCon", instance.getConfig().getMinCon() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "maxCon", instance.getConfig().getMaxCon() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "testOnCreate", poolConfig.getTestOnCreate() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "testOnBorrow", poolConfig.getTestOnBorrow() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "testOnReturn", poolConfig.getTestOnReturn() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "testWhileIdle", poolConfig.getTestWhileIdle() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "connectionHeartbeatTimeout", poolConfig.getConnectionHeartbeatTimeout() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "connectionTimeout", poolConfig.getConnectionTimeout() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "heartbeatPeriodMillis", poolConfig.getHeartbeatPeriodMillis() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "idleTimeout", poolConfig.getIdleTimeout() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "evictorShutdownTimeoutMillis", poolConfig.getEvictorShutdownTimeoutMillis() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "timeBetweenEvictionRunsMillis", poolConfig.getTimeBetweenEvictionRunsMillis() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "flowHighLevel", poolConfig.getFlowHighLevel() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
                  row = getRow(group.getGroupName(), instance.getName(), "flowLowLevel", poolConfig.getFlowLowLevel() + "", service.getCharset().getClient());
                  row.setPacketId(++packetId);
                  buffer = row.write(buffer, service, true);
              }
          }
  
          // write last eof
          EOFRowPacket lastEof = new EOFRowPacket();
          lastEof.setPacketId(++packetId);
  
          // write buffer
          lastEof.write(buffer, service);
      }
  
      private static RowDataPacket getRow(String dbGroup, String dbInstance, String property, String value, String charset) {
          RowDataPacket row = new RowDataPacket(FIELD_COUNT);
          row.add(StringUtil.encode(dbGroup, charset));
          row.add(StringUtil.encode(dbInstance, charset));
          row.add(StringUtil.encode(property, charset));
          row.add(StringUtil.encode(value, charset));
          return row;
      }
  
  }
  