//@ts-check
const ip = require('../../core/ip.js.bak')
const fs = require('fs')
const { exit } = require('process')

function usage() {
    console.log('invalid syntax')
    console.log('ifup [interface name]')
}

if ( process.argv.length !== 4 ){
    usage()
    exit(1)
}

if ( !fs.existsSync('/sys/class/net/' + process.argv[3]) ) {
    console.log("Interface not found")
    exit(1)
}

let flags = ip.getFlags(process.argv[3])

flags |= ip.flags.IFF_UP

ip.setFlags(process.argv[3], flags)