list_wifi

#!/usr/bin/env ruby

require 'mac_vendor'

mac_vendor = MacVendor.new
stations = {}

dns_leases = %x{systemctl status wifi}.split("\n").grep(/dnsmasq/).first.split.last

%x{iw dev ap0 station dump}.split("Station").each do |station|
  mac_str = ''
  next if station.empty?

  station.split("\n").each_with_index do |station_line, index|
    station_line.strip!
    if index == 0
      mac = station_line.split.first
      vendor = mac_vendor.lookup(mac)

      mac_str = "#{mac} (#{vendor ? vendor[:name] : 'unknown'})"
      stations[mac_str] = {}

      ip = open(dns_leases) { |f| f.each_line.detect { |line| /#{mac}/.match(line) } }.split[2]
      host = open(dns_leases) { |f| f.each_line.detect { |line| /#{mac}/.match(line) } }.split[3]

      stations[mac_str]['hostname'] = host
      stations[mac_str]['ip'] = ip
    else
      name, value = station_line.split(':')
      stations[mac_str][name] = value.strip
    end
  end
end

stations.each do |mac, details|
  puts "#{details['hostname']} - #{details['ip']}"
  puts mac
  puts 'speed'
  puts "\tdown: #{details['rx bitrate']}, up: #{details['tx bitrate']}"
  puts 'data'
  puts "\tdown: #{details['rx bytes'].to_i / 1024} mb, up: #{details['tx bytes'].to_i / 1024} mb"
  puts '--'
end