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1# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import dbus
6import dbus.service
7
8import dbus_std_ifaces
9import pm_errors
10import utils
11
12from autotest_lib.client.cros.cellular import mm1_constants
13
14LOG_LEVELS = ['ERR', 'WARN', 'INFO', 'DEBUG']
15
16class ModemManager(dbus_std_ifaces.DBusObjectManager):
17    """ Pseudomodem implementation of org.freedesktop.ModemManager1. """
18    def __init__(self, bus):
19        dbus_std_ifaces.DBusObjectManager.__init__(self, bus, mm1_constants.MM1)
20        self.debug_level = 'INFO'
21
22
23    @utils.log_dbus_method()
24    @dbus.service.method(mm1_constants.I_MODEM_MANAGER)
25    def ScanDevices(self):
26        """ Starts a new scan for connected modem devices. """
27        # TODO(armansito): For now this method is a noop. shill
28        # doesn't use this method afaik, but it doesn't make sense
29        # for a fake modem to do anything here anyway. Perhaps
30        # we can give the pseudo modem manager a list of fake
31        # modems upon initialization, and this method would add them?
32        pass
33
34
35    @utils.log_dbus_method()
36    @dbus.service.method(mm1_constants.I_MODEM_MANAGER, in_signature='s')
37    def SetLogging(self, level):
38        """
39        Sets logging verbosity.
40
41        @param level: One of "ERR", "WARN", "INFO", "DEBUG"
42
43        """
44        if level not in LOG_LEVELS:
45            raise pm_errors.MMCoreError(pm_errors.MMCoreError.INVALID_ARGS)
46