nprocnetdev.go: print /proc/net/dev via netlink socket

nprocnetdev.go

package main

// go version of https://gist.github.com/javiermon/43a0b9e1c07abd4b13df

import (
	"log"
	"github.com/jsimonetti/rtnetlink"
	"fmt"
)

func main() {
	// Dial a connection to the rtnetlink socket
	conn, err := rtnetlink.Dial(nil)
	if err != nil {
		log.Fatal(err)
	}
	defer conn.Close()

	// Request a list of interfaces
	msg, err := conn.Link.List()
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println("Inter-|   Receive                                                |  Transmit")
	fmt.Println(" face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed")
	for _, value := range msg {
	    attr := value.Attributes
	    stat := attr.Stats64
	    fmt.Printf("%6s: %7d %7d %4d %4d %4d %5d %10d %9d %8d %7d %4d %4d %4d %5d %7d %9d\n", attr.Name,
	        stat.RXBytes, stat.RXPackets, stat.RXErrors, stat.RXDropped, stat.RXFIFOErrors, stat.RXFrameErrors, stat.RXCompressed, stat.Multicast,
	        stat.TXBytes, stat.TXPackets, stat.TXErrors, stat.TXDropped, stat.TXFIFOErrors, stat.Collisions, stat.TXCarrierErrors, stat.TXCompressed)
    }
}