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// SPDX-License-Identifier: BSD-3-Clause
//go:build darwin && arm64
package sensors
import (
"context"
"unsafe"
"github.com/shirou/gopsutil/v4/internal/common"
)
func ReadTemperaturesArm() []TemperatureStat {
temperatures, _ := TemperaturesWithContext(context.Background())
return temperatures
}
func TemperaturesWithContext(ctx context.Context) ([]TemperatureStat, error) {
ioKit, err := common.NewLibrary(common.IOKit)
if err != nil {
return nil, err
}
defer ioKit.Close()
coreFoundation, err := common.NewLibrary(common.CoreFoundation)
if err != nil {
return nil, err
}
defer coreFoundation.Close()
ta := &temperatureArm{
ioKit: ioKit,
cf: coreFoundation,
cfRelease: common.GetFunc[common.CFReleaseFunc](coreFoundation, common.CFReleaseSym),
cfStringCreateWithCString: common.GetFunc[common.CFStringCreateWithCStringFunc](coreFoundation, common.CFStringCreateWithCStringSym),
cfArrayGetCount: common.GetFunc[common.CFArrayGetCountFunc](coreFoundation, common.CFArrayGetCountSym),
cfArrayGetValueAtIndex: common.GetFunc[common.CFArrayGetValueAtIndexFunc](coreFoundation, common.CFArrayGetValueAtIndexSym),
ioHIDEventSystemClientCreate: common.GetFunc[common.IOHIDEventSystemClientCreateFunc](ioKit, common.IOHIDEventSystemClientCreateSym),
ioHIDEventSystemClientSetMatching: common.GetFunc[common.IOHIDEventSystemClientSetMatchingFunc](ioKit, common.IOHIDEventSystemClientSetMatchingSym),
ioHIDEventSystemClientCopyServices: common.GetFunc[common.IOHIDEventSystemClientCopyServicesFunc](ioKit, common.IOHIDEventSystemClientCopyServicesSym),
}
ta.matching(0xff00, 5)
defer ta.cfRelease(uintptr(ta.sensors))
// Create HID system client
system := ta.ioHIDEventSystemClientCreate(common.KCFAllocatorDefault)
defer ta.cfRelease(uintptr(system))
thermalNames := ta.getProductNames(system)
thermalValues := ta.getThermalValues(system)
result := dumpNameValues(thermalNames, thermalValues)
return result, nil
}
func dumpNameValues(kvsN []string, kvsV []float64) []TemperatureStat {
count := len(kvsN)
temperatureMap := make(map[string]TemperatureStat)
for i := 0; i < count; i++ {
temperatureMap[kvsN[i]] = TemperatureStat{
SensorKey: kvsN[i],
Temperature: kvsV[i],
}
}
temperatures := make([]TemperatureStat, 0, len(temperatureMap))
for _, stat := range temperatureMap {
temperatures = append(temperatures, stat)
}
return temperatures
}
type temperatureArm struct {
ioKit *common.Library
cf *common.Library
cfRelease common.CFReleaseFunc
cfStringCreateWithCString common.CFStringCreateWithCStringFunc
cfArrayGetCount common.CFArrayGetCountFunc
cfArrayGetValueAtIndex common.CFArrayGetValueAtIndexFunc
ioHIDEventSystemClientCreate common.IOHIDEventSystemClientCreateFunc
ioHIDEventSystemClientSetMatching common.IOHIDEventSystemClientSetMatchingFunc
ioHIDEventSystemClientCopyServices common.IOHIDEventSystemClientCopyServicesFunc
sensors unsafe.Pointer
}
func (ta *temperatureArm) getProductNames(system unsafe.Pointer) []string {
ioHIDServiceClientCopyProperty := common.GetFunc[common.IOHIDServiceClientCopyPropertyFunc](ta.ioKit, common.IOHIDServiceClientCopyPropertySym)
cfStringGetLength := common.GetFunc[common.CFStringGetLengthFunc](ta.cf, common.CFStringGetLengthSym)
cfStringGetCString := common.GetFunc[common.CFStringGetCStringFunc](ta.cf, common.CFStringGetCStringSym)
ta.ioHIDEventSystemClientSetMatching(uintptr(system), uintptr(ta.sensors))
matchingsrvs := ta.ioHIDEventSystemClientCopyServices(uintptr(system))
if matchingsrvs == nil {
return nil
}
defer ta.cfRelease(uintptr(matchingsrvs))
count := ta.cfArrayGetCount(uintptr(matchingsrvs))
var i int32
str := ta.cfStr("Product")
defer ta.cfRelease(uintptr(str))
names := make([]string, 0, count)
for i = 0; i < count; i++ {
sc := ta.cfArrayGetValueAtIndex(uintptr(matchingsrvs), i)
name := ioHIDServiceClientCopyProperty(uintptr(sc), uintptr(str))
if name != nil {
buf := common.NewCStr(cfStringGetLength(uintptr(name)))
cfStringGetCString(uintptr(name), buf, buf.Length(), common.KCFStringEncodingUTF8)
names = append(names, buf.GoString())
ta.cfRelease(uintptr(name))
} else {
// make sure the number of names and values are consistent
names = append(names, "noname")
}
}
return names
}
func (ta *temperatureArm) getThermalValues(system unsafe.Pointer) []float64 {
ioHIDServiceClientCopyEvent := common.GetFunc[common.IOHIDServiceClientCopyEventFunc](ta.ioKit, common.IOHIDServiceClientCopyEventSym)
ioHIDEventGetFloatValue := common.GetFunc[common.IOHIDEventGetFloatValueFunc](ta.ioKit, common.IOHIDEventGetFloatValueSym)
ta.ioHIDEventSystemClientSetMatching(uintptr(system), uintptr(ta.sensors))
matchingsrvs := ta.ioHIDEventSystemClientCopyServices(uintptr(system))
if matchingsrvs == nil {
return nil
}
defer ta.cfRelease(uintptr(matchingsrvs))
count := ta.cfArrayGetCount(uintptr(matchingsrvs))
var values []float64
var i int32
for i = 0; i < count; i++ {
sc := ta.cfArrayGetValueAtIndex(uintptr(matchingsrvs), i)
event := ioHIDServiceClientCopyEvent(uintptr(sc), common.KIOHIDEventTypeTemperature, 0, 0)
temp := 0.0
if event != nil {
temp = ioHIDEventGetFloatValue(uintptr(event), ioHIDEventFieldBase(common.KIOHIDEventTypeTemperature))
ta.cfRelease(uintptr(event))
}
values = append(values, temp)
}
return values
}
func (ta *temperatureArm) matching(page, usage int) {
cfNumberCreate := common.GetFunc[common.CFNumberCreateFunc](ta.cf, common.CFNumberCreateSym)
cfDictionaryCreate := common.GetFunc[common.CFDictionaryCreateFunc](ta.cf, common.CFDictionaryCreateSym)
pageNum := cfNumberCreate(common.KCFAllocatorDefault, common.KCFNumberIntType, uintptr(unsafe.Pointer(&page)))
defer ta.cfRelease(uintptr(pageNum))
usageNum := cfNumberCreate(common.KCFAllocatorDefault, common.KCFNumberIntType, uintptr(unsafe.Pointer(&usage)))
defer ta.cfRelease(uintptr(usageNum))
k1 := ta.cfStr("PrimaryUsagePage")
k2 := ta.cfStr("PrimaryUsage")
defer ta.cfRelease(uintptr(k1))
defer ta.cfRelease(uintptr(k2))
keys := []unsafe.Pointer{k1, k2}
values := []unsafe.Pointer{pageNum, usageNum}
kCFTypeDictionaryKeyCallBacks, _ := ta.cf.Dlsym("kCFTypeDictionaryKeyCallBacks")
kCFTypeDictionaryValueCallBacks, _ := ta.cf.Dlsym("kCFTypeDictionaryValueCallBacks")
ta.sensors = cfDictionaryCreate(common.KCFAllocatorDefault, &keys[0], &values[0], 2,
kCFTypeDictionaryKeyCallBacks,
kCFTypeDictionaryValueCallBacks)
}
func (ta *temperatureArm) cfStr(str string) unsafe.Pointer {
return ta.cfStringCreateWithCString(common.KCFAllocatorDefault, str, common.KCFStringEncodingUTF8)
}
func ioHIDEventFieldBase(i int32) int32 {
return i << 16
}
|
