tools/interfaces/IUserMonitor.py

   1 import gbinder
   2 import logging
   3 from tools import helpers
   4 from gi.repository import GLib
   5
   6
   7 INTERFACE = "lineageos.waydroid.IUserMonitor"
   8 SERVICE_NAME = "waydroidusermonitor"
   9
  10 TRANSACTION_userUnlocked = 1
  11 TRANSACTION_packageStateChanged = 2
  12
  13 def add_service(args, userUnlocked, packageStateChanged):
  14     helpers.drivers.loadBinderNodes(args)
  15     try:
  16         serviceManager = gbinder.ServiceManager("/dev/" + args.BINDER_DRIVER, args.SERVICE_MANAGER_PROTOCOL, args.BINDER_PROTOCOL)
  17     except TypeError:
  18         serviceManager = gbinder.ServiceManager("/dev/" + args.BINDER_DRIVER)
  19
  20     def response_handler(req, code, flags):
  21         logging.debug(
  22             "{}: Received transaction: {}".format(SERVICE_NAME, code))
  23         reader = req.init_reader()
  24         local_response = response.new_reply()
  25         if code == TRANSACTION_userUnlocked:
  26             status, arg1 = reader.read_int32()
  27             userUnlocked(arg1)
  28             local_response.append_int32(0)
  29         elif code == TRANSACTION_packageStateChanged:
  30             status, arg1 = reader.read_int32()
  31             arg2 = reader.read_string16()
  32             status, arg3 = reader.read_int32()
  33             packageStateChanged(arg1, arg2, arg3)
  34             local_response.append_int32(0)
  35         else:
  36             return local_response, -99999 # Some error unknown to binder to force a RemoteException
  37
  38         return local_response, 0
  39
  40     def binder_presence():
  41         if serviceManager.is_present():
  42             status = serviceManager.add_service_sync(SERVICE_NAME, response)
  43
  44             if status:
  45                 logging.error("Failed to add service {}: {}".format(
  46                     SERVICE_NAME, status))
  47                 args.userMonitorLoop.quit()
  48
  49     response = serviceManager.new_local_object(INTERFACE, response_handler)
  50     args.userMonitorLoop = GLib.MainLoop()
  51     binder_presence()
  52     status = serviceManager.add_presence_handler(binder_presence)
  53     if status:
  54         args.userMonitorLoop.run()
  55         serviceManager.remove_handler(status)
  56         del serviceManager
  57     else:
  58         logging.error("Failed to add presence handler: {}".format(status))
  59