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examples: add a Lua example for getting Wi-Fi access points
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EXTRA_DIST = \
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add-connection.lua \
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list-connections.lua \
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list-devices.lua
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list-devices.lua \
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show-wifi-networks.lua
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79
examples/lua/lgi/show-wifi-networks.lua
Executable file
79
examples/lua/lgi/show-wifi-networks.lua
Executable file
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#!/usr/bin/env lua
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-- -*- Mode: Lua; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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-- vim: ft=lua ts=2 sts=2 sw=2 et ai
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 2 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License along
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-- with this program; if not, write to the Free Software Foundation, Inc.,
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-- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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--
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-- Copyright 2015 Red Hat, Inc.
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--
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--
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-- This example lists Wi-Fi access points NetworkManager scanned on Wi-Fi devices.
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-- The example uses libnm library using GObject introspection via Lua lgi module.
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-- Most distribution ship the module as lua-lgi package.
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-- libnm guide: https://developer.gnome.org/libnm/1.0/
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-- Lua-lgi guide: https://github.com/pavouk/lgi/blob/master/docs/guide.md
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--
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local lgi = require 'lgi'
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local NM = lgi.NM
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function ssid_to_utf8(ap)
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local ssid = ap:get_ssid()
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if not ssid then return "" end
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return NM.utils_ssid_to_utf8(ssid:get_data())
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end
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function print_device_info(device)
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local active_ap = device:get_active_access_point()
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if active_ap then ssid = ssid_to_utf8(active_ap) end
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local info = string.format("Device: %s | Driver: %s | Active AP: %s",
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device:get_iface(), device:get_driver(), ssid)
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print(info)
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print(string.rep("=", info:len()))
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end
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function print_ap_info(ap)
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local strength = ap:get_strength()
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local frequency = ap:get_frequency()
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print("SSID: ", ssid_to_utf8(ap))
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print("BSSID: ", ap:get_bssid())
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print("Frequency: ", frequency)
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print("Channel: ", NM.utils_wifi_freq_to_channel(frequency))
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print(string.format("Strength: %s %s%%", NM.utils_wifi_strength_bars(strength), strength))
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print("")
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end
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---------------------------
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-- Main code starts here --
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---------------------------
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-- Call setlocale() else NM.utils_wifi_strength_bars() will think the locale
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-- is ASCII-only, and return the fallback characters rather than the unicode bars
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os.setlocale('')
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-- get all devices
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client = NM.Client.new()
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devs = client:get_devices()
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-- print APs for all Wi-Fi devices
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for _, dev in ipairs(devs) do
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if dev:get_device_type() == "WIFI" then
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print_device_info(dev)
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for _, ap in ipairs(dev:get_access_points()) do
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print_ap_info(ap)
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end
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end
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end
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