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1#!/usr/bin/python
2
3# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6
7import pprint
8import sys
9
10import common
11from autotest_lib.client.cros.networking import shill_proxy
12
13def usage():
14    """ Prints a script usage message. """
15    cmd = sys.argv[0]
16    print 'Usage: %s <command> [more parameters]' % cmd
17    print 'Example uses:'
18    print cmd, 'list - List devices and their properties.'
19    print cmd, 'get-property <devname> [propname] - List device property.'
20    print cmd, 'set-property <devname> <propname> <value>'
21    print '     Set property on devname to value'
22    return False
23
24
25def set_device_property(device, property_key, value):
26    """Sets a property on a device
27
28    @param device Interface representing a device
29    @param property_key string name of property
30    @param value string value of property to set
31
32    """
33    shill_proxy.ShillProxy.set_dbus_property(device, property_key, value)
34    return True
35
36
37def print_device_properties(device, property_key):
38    """Prints one or all properties on a device
39
40    @param device Interface representing a device
41    @param property_key string name of property or None
42
43    """
44    shill = shill_proxy.ShillProxy()
45    if property_key is None:
46        pprint.pprint(
47                shill.dbus2primitive(device.GetProperties(utf8_strings=True)),
48                indent=2)
49    else:
50        pprint.pprint({property_key:
51                shill_proxy.ShillProxy.get_dbus_property(device, property_key)},
52                indent=2)
53    return True
54
55
56def list_devices():
57    """ Display detailed device information. """
58    shill = shill_proxy.ShillProxy()
59    for device in shill.get_devices():
60        print 'Device: %s' % device.object_path
61        print_device_properties(device, None)
62        print
63    return True
64
65
66def main():
67    """ Main entry point for the device script. """
68    if len(sys.argv) < 2:
69        return usage()
70
71    command = sys.argv[1]
72
73    if command == 'list':
74      return list_devices()
75
76    if len(sys.argv) > 2:
77        shill = shill_proxy.ShillProxy()
78        device = shill.find_object('Device', {'Name': sys.argv[2]})
79        if device is None:
80            print "No device named %s found" % sys.argv[2]
81            return usage()
82
83        if command == 'get-property':
84            return print_device_properties(
85                    device,
86                    None if len(sys.argv) < 4 else sys.argv[3])
87
88        if command == 'set-property' and len(sys.argv) == 5:
89            return set_device_property(
90                    device,
91                    sys.argv[3],
92                    sys.argv[4])
93
94    return usage()
95
96
97if __name__ == '__main__':
98    if not main():
99        sys.exit(1)
100