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      1 #!/usr/bin/python
      2 
      3 # Copyright 2015 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 
      7 import logging
      8 import logging.handlers
      9 
     10 import common
     11 from autotest_lib.client.cros import constants
     12 from autotest_lib.client.cros import dark_resume_listener
     13 from autotest_lib.client.cros import xmlrpc_server
     14 from autotest_lib.client.cros.power import sys_power
     15 from autotest_lib.client.cros.power import power_utils
     16 
     17 class DarkResumeXmlRpcDelegate(xmlrpc_server.XmlRpcDelegate):
     18     """Exposes methods called remotely during dark resume autotests.
     19 
     20     All instance methods of this object without a preceding '_' are exposed via
     21     an XMLRPC server.  This is not a stateless handler object, which means that
     22     if you store state inside the delegate, that state will remain around for
     23     future calls.
     24 
     25     """
     26 
     27     def __init__(self):
     28         super(DarkResumeXmlRpcDelegate, self).__init__()
     29         self._listener = dark_resume_listener.DarkResumeListener()
     30 
     31 
     32     @xmlrpc_server.dbus_safe(None)
     33     def suspend_bg_for_dark_resume(self, suspend_for_secs):
     34         """
     35         Suspends the system for dark resume.
     36         @param suspend_for_secs : If not 0, sets a rtc alarm to
     37             wake the system after|suspend_for_secs| secs.
     38         """
     39         if suspend_for_secs == 0 :
     40             sys_power.suspend_bg_for_dark_resume()
     41         else:
     42             sys_power.do_suspend(suspend_for_secs)
     43 
     44 
     45     @xmlrpc_server.dbus_safe(None)
     46     def set_stop_resuspend(self, stop_resuspend):
     47         """
     48         Stops resuspend on seeing a dark resume.
     49         @param stop_resuspend: Stops resuspend of the device on seeing a
     50             a dark resume if |stop_resuspend| is true.
     51         """
     52         self._listener.stop_resuspend(stop_resuspend)
     53 
     54 
     55     @xmlrpc_server.dbus_safe(0)
     56     def get_dark_resume_count(self):
     57         """Gets the number of dark resumes that have occurred since
     58         this listener was created."""
     59         return self._listener.count
     60 
     61 
     62     @xmlrpc_server.dbus_safe(False)
     63     def has_lid(self):
     64         """
     65         Checks whether the DUT has lid.
     66 
     67         @return: Returns True if the device has a lid, False otherwise.
     68         """
     69 
     70         return power_utils.has_lid()
     71 
     72 if __name__ == '__main__':
     73     logging.basicConfig(level=logging.DEBUG)
     74     handler = logging.handlers.SysLogHandler(address = '/dev/log')
     75     formatter = logging.Formatter(
     76             'dark_resume_xmlrpc_server: [%(levelname)s] %(message)s')
     77     handler.setFormatter(formatter)
     78     logging.getLogger().addHandler(handler)
     79     logging.debug('dark_resume_xmlrpc_server main...')
     80     server = xmlrpc_server.XmlRpcServer(
     81             'localhost', constants.DARK_RESUME_XMLRPC_SERVER_PORT)
     82     server.register_delegate(DarkResumeXmlRpcDelegate())
     83     server.run()
     84