oshi.hardware.platform.unix.openbsd.OpenBsdSensors Maven / Gradle / Ivy
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/*
* Copyright 2021-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.hardware.platform.unix.openbsd;
import static oshi.util.Memoizer.defaultExpiration;
import static oshi.util.Memoizer.memoize;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Supplier;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.hardware.common.AbstractSensors;
import oshi.util.ExecutingCommand;
import oshi.util.ParseUtil;
import oshi.util.tuples.Triplet;
/**
* Sensors
*/
@ThreadSafe
final class OpenBsdSensors extends AbstractSensors {
private final Supplier> tempFanVolts = memoize(OpenBsdSensors::querySensors,
defaultExpiration());
@Override
public double queryCpuTemperature() {
return tempFanVolts.get().getA();
}
@Override
public int[] queryFanSpeeds() {
return tempFanVolts.get().getB();
}
@Override
public double queryCpuVoltage() {
return tempFanVolts.get().getC();
}
private static Triplet querySensors() {
double volts = 0d;
List cpuTemps = new ArrayList<>();
List allTemps = new ArrayList<>();
List fanRPMs = new ArrayList<>();
for (String line : ExecutingCommand.runNative("systat -ab sensors")) {
String[] split = ParseUtil.whitespaces.split(line);
if (split.length > 1) {
if (split[0].contains("cpu")) {
if (split[0].contains("temp0")) {
cpuTemps.add(ParseUtil.parseDoubleOrDefault(split[1], Double.NaN));
} else if (split[0].contains("volt0")) {
volts = ParseUtil.parseDoubleOrDefault(split[1], 0d);
}
} else if (split[0].contains("temp0")) {
allTemps.add(ParseUtil.parseDoubleOrDefault(split[1], Double.NaN));
} else if (split[0].contains("fan")) {
fanRPMs.add(ParseUtil.parseIntOrDefault(split[1], 0));
}
}
}
// Prefer cpu temps
double temp = cpuTemps.isEmpty() ? listAverage(allTemps) : listAverage(cpuTemps);
// Collect all fans
int[] fans = new int[fanRPMs.size()];
for (int i = 0; i < fans.length; i++) {
fans[i] = fanRPMs.get(i);
}
return new Triplet<>(temp, fans, volts);
}
private static double listAverage(List doubles) {
double sum = 0d;
int count = 0;
for (Double d : doubles) {
if (!d.isNaN()) {
sum += d;
count++;
}
}
return count > 0 ? sum / count : 0d;
}
}