content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org OSHI and other contributors.               ~
   ~                                                                               ~
   ~ Permission is hereby granted, free of charge, to any person obtaining a copy  ~
   ~ of this software and associated documentation files (the "Software"), to deal ~
   ~ in the Software without restriction, including without limitation the rights  ~
   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     ~
   ~ copies of the Software, and to permit persons to whom the Software is         ~
   ~ furnished to do so, subject to the following conditions:                      ~
   ~                                                                               ~
   ~ The above copyright notice and this permission notice shall be included in    ~
   ~ all copies or substantial portions of the Software.                           ~
   ~                                                                               ~
   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ~
   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ~
   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ~
   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ~
   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ~
   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     ~
   ~ THE SOFTWARE.                                                                 ~
   ~                                                                               ~
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
  */
  package org.miaixz.bus.health.unix.platform.freebsd.hardware;
  
  import java.util.Locale;
  
  import org.miaixz.bus.core.lang.annotation.ThreadSafe;
  import org.miaixz.bus.health.builtin.hardware.common.AbstractSensors;
  import org.miaixz.bus.health.builtin.jna.ByRef;
  import org.miaixz.bus.health.unix.jna.FreeBsdLibc;
  
  import com.sun.jna.Memory;
  import com.sun.jna.platform.unix.LibCAPI.size_t;
  
  /**
   * Sensors from coretemp
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  @ThreadSafe
  final class FreeBsdSensors extends AbstractSensors {
  
      /*
       * If user has loaded coretemp module via kldload coretemp, sysctl call will return temperature
       *
       * @return Temperature if successful, otherwise NaN
       */
      private static double queryKldloadCoretemp() {
          String name = "dev.cpu.%d.temperature";
          try (ByRef.CloseableSizeTByReference size = new ByRef.CloseableSizeTByReference(FreeBsdLibc.INT_SIZE)) {
              int cpu = 0;
              double sumTemp = 0d;
              try (Memory p = new Memory(size.longValue())) {
                  while (0 == FreeBsdLibc.INSTANCE
                          .sysctlbyname(String.format(Locale.ROOT, name, cpu), p, size, null, size_t.ZERO)) {
                      sumTemp += p.getInt(0) / 10d - 273.15;
                      cpu++;
                  }
              }
              return cpu > 0 ? sumTemp / cpu : Double.NaN;
          }
      }
  
      @Override
      public double queryCpuTemperature() {
          return queryKldloadCoretemp();
      }
  
      @Override
      public int[] queryFanSpeeds() {
          // Nothing known on FreeBSD for this.
          return new int[0];
      }
  
      @Override
      public double queryCpuVoltage() {
          // Nothing known on FreeBSD for this.
          return 0d;
      }
  
  }
  