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.mac.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.mac.SmcKit;
  
  import com.sun.jna.platform.mac.IOKit.IOConnect;
  
  /**
   * Sensors from SMC
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  @ThreadSafe
  final class MacSensors extends AbstractSensors {
  
      // This shouldn't change once determined
      private int numFans = 0;
  
      @Override
      public double queryCpuTemperature() {
          IOConnect conn = SmcKit.smcOpen();
          double temp = SmcKit.smcGetFloat(conn, SmcKit.SMC_KEY_CPU_TEMP);
          SmcKit.smcClose(conn);
          if (temp > 0d) {
              return temp;
          }
          return 0d;
      }
  
      @Override
      public int[] queryFanSpeeds() {
          // If we don't have fan # try to get it
          IOConnect conn = SmcKit.smcOpen();
          if (this.numFans == 0) {
              this.numFans = (int) SmcKit.smcGetLong(conn, SmcKit.SMC_KEY_FAN_NUM);
          }
          int[] fanSpeeds = new int[this.numFans];
          for (int i = 0; i < this.numFans; i++) {
              fanSpeeds[i] = (int) SmcKit.smcGetFloat(conn, String.format(Locale.ROOT, SmcKit.SMC_KEY_FAN_SPEED, i));
          }
          SmcKit.smcClose(conn);
          return fanSpeeds;
      }
  
      @Override
      public double queryCpuVoltage() {
          IOConnect conn = SmcKit.smcOpen();
          double volts = SmcKit.smcGetFloat(conn, SmcKit.SMC_KEY_CPU_VOLTAGE) / 1000d;
          SmcKit.smcClose(conn);
          return volts;
      }
  
  }
  