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psutil.go
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psutil.go
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package builtin_libs
import (
"time"
"github.com/shirou/gopsutil/cpu"
. "github.com/zgg-lang/zgg-go/runtime"
)
func libPsutil(*Context) ValueObject {
rv := NewObject()
rv.SetMember("cpu", libPsutilModCPU, nil)
return rv
}
var libPsutilModCPU = func() ValueObject {
mod := NewObject()
mod.SetMember("percent", NewNativeFunction("cpu.percent", func(c *Context, _ Value, args []Value) Value {
var (
intervalStr ValueStr
intervalDuration ValueObject
intervalBy int
perCPU ValueBool
interval time.Duration
)
EnsureFuncParams(c, "psutil.cpu", args,
ArgRuleOneOf(
"interval",
[]ValueType{TypeStr, timeDurationClass},
[]any{&intervalStr, &intervalDuration},
&intervalBy,
&intervalStr,
NewStr("1s"),
),
ArgRuleOptional("perCPU", TypeBool, &perCPU, NewBool(false)),
)
if intervalBy == 1 {
interval = intervalDuration.GetMember("__du", c).ToGoValue(c).(time.Duration)
} else {
var err error
interval, err = time.ParseDuration(intervalStr.Value())
if err != nil {
c.RaiseRuntimeError("invalid duration %s", intervalStr.Value())
}
}
percents, err := cpu.Percent(interval, perCPU.Value())
if err != nil {
c.RaiseRuntimeError("get cpu percent error %v", err)
}
if perCPU.Value() {
rv := NewArray(len(percents))
for _, val := range percents {
rv.PushBack(NewFloat(val))
}
return rv
} else {
return NewFloat(percents[0])
}
}, "interval", "perCPU"), nil)
logicalCount, _ := cpu.Counts(true)
physicalCount, _ := cpu.Counts(true)
mod.SetMember("logicalCount", NewInt(int64(logicalCount)), nil)
mod.SetMember("physicalCount", NewInt(int64(physicalCount)), nil)
return mod
}()