#!/usr/bin/env python3
# Copyright 2019 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# usage:
# list-connected-services [[service-type [[service-prop1] ... [service-propN]]]]
#     service-type: shill service type: wifi, ethernet, etc
#     service-propX: shill service property: Connectable, Name, etc
#
# Queries the currently connected services from shill, optionally filtering
# for specific service types and properties

from __future__ import print_function

import sys

import dbus
import flimflam

def main():
    if len(sys.argv) > 1 and str(sys.argv[1]) in ['-h', '-?', '--help']:
        print('usage: %s [[service-type [[service-prop1] ... [service-propN]]]]'
              % str(sys.argv[0]))
        return

    flim = flimflam.FlimFlam(dbus.SystemBus())

    # Nothing found -> exit(1)
    retval = 1

    for service in flim.GetObjectList('Service'):
        properties = service.GetProperties()
        if not bool(properties['IsConnected']):
            continue

        if len(sys.argv) > 1 and str(properties['Type']) != sys.argv[1]:
            continue

        if len(sys.argv) > 2:
            requested_keys = sys.argv[2:]
        else:
            print('[ %s ]' % service.object_path)
            requested_keys = properties.keys()

        for key in requested_keys:
            retval = 0
            print('    %s = %s' % (
                key, flimflam.convert_dbus_value(properties[key], 4)))

    return retval


if __name__ == '__main__':
    sys.exit(main())