discover.go

package main

import (
	"github.com/pivotal-golang/bytefmt"
	"strconv"
	"fmt"
)

type CPUInfo struct {
	sockets        int
	physicalCores  int
	threadsPerCore int
	cacheL1i       int
	cacheL1d       int
	cacheL2        int
	cacheL3        int
}

func main() {
	info := CPUInfo{}
	info.Parse()

	fmt.Printf("%v\n", info)
}

func (cputopo *CPUInfo) Parse() error {
	parseMap := map[string]*int{
		"Socket(s)": &cputopo.sockets,
		"Core(s) per socket", &cputopo.physicalCores,
	}

	key := "Socket(s)"
	value := "5"

	ptr, ok := parseMap[key]
	if ok {
		bytes, err := bytefmt.ToBytes(value)
		if err == nil {
			*ptr = int(bytes)
			return nil
		}

		t, err := strconv.Atoi(value)
		if err != nil {
			return err
		}

		*ptr = t
	}
	return nil
}