#!/usr/bin/env ruby

# SPDX-License-Identifier: GPL-2.0-or-later

#

# Copyright (C) 2011 - 2012 Red Hat, Inc.

#

require 'dbus'

#

# This example lists basic information about network interfaces known to NM

#

# For the types see include/NetworkManager.h

devtypes = { 1 => "Ethernet",

             2 => "Wi-Fi",

             5 => "Bluetooth",

             6 => "OLPC",

             7 => "WiMAX",

             8 => "Modem",

             9 => "InfiniBand",

             10 => "Bond",

             11 => "VLAN",

             12 => "ADSL",

             13 => "Bridge",

             14 => "Generic",

             15 => "Team",

             16 => "TUN",

             17 => "IPTunnel",

             18 => "MACVLAN",

             19 => "VXLAN",

             20 => "Veth",

           }

states = { 0   => "Unknown",

           10  => "Unmanaged",

           20  => "Unavailable",

           30  => "Disconnected",

           40  => "Prepare",

           50  => "Config",

           60  => "Need Auth",

           70  => "IP Config",

           80  => "IP Check",

           90  => "Secondaries",

           100 => "Activated",

           110 => "Deactivating",

           120 => "Failed" }

# Get system bus

system_bus = DBus::SystemBus.instance

# Get the NetworkManager service

nm_service = system_bus.service("org.freedesktop.NetworkManager")

# Get the object from the service

nm_object = nm_service.object("/org/freedesktop/NetworkManager")

# Set default interface for the object

nm_object.default_iface = "org.freedesktop.NetworkManager"

# Introspect it

nm_object.introspect

# Get all devices known to NM

devices = nm_object.GetDevices.first

# and print their properties

devices.each do |d|

  dev_obj = system_bus.service("org.freedesktop.NetworkManager").object(d)

  dev_obj.introspect

  props = dev_obj["org.freedesktop.DBus.Properties"].GetAll("org.freedesktop.NetworkManager.Device")

  puts "============================"

  puts "Interface: #{props[0]['Interface']}"

  devtype = devtypes[props[0]['DeviceType']]

  devtype = "Unknown" if devtype.nil?

  puts "Type: #{devtype}"

  puts "Driver: #{props[0]['Driver']}"

  state = states[props[0]['State']]

  state = "Unknown" if state.nil?

  puts "State: #{state}"

end