tools/services/hardware_manager.py

   1 # Copyright 2021 Erfan Abdi
   2 # SPDX-License-Identifier: GPL-3.0-or-later
   3 import logging
   4 import threading
   5 import os
   6 import tools.actions.container_manager
   7 import tools.actions.session_manager
   8 import tools.config
   9 from tools import helpers
  10 from tools.interfaces import IHardware
  11
  12 stopping = False
  13
  14 def start(args):
  15     def enableNFC(enable):
  16         logging.debug("Function enableNFC not implemented")
  17
  18     def enableBluetooth(enable):
  19         logging.debug("Function enableBluetooth not implemented")
  20
  21     def suspend():
  22         cfg = tools.config.load(args)
  23         if cfg["waydroid"]["suspend_action"] == "stop":
  24             tools.actions.session_manager.stop(args)
  25         else:
  26             tools.actions.container_manager.freeze(args)
  27
  28     def reboot():
  29         helpers.lxc.stop(args)
  30         helpers.lxc.start(args)
  31
  32     def upgrade(system_zip, system_time, vendor_zip, vendor_time):
  33         if os.path.exists(system_zip):
  34             if not helpers.images.validate(args, "system_ota", system_zip):
  35                 logging.warning("Not upgrading because system.img comes from an unverified source")
  36                 return
  37         else:
  38             system_zip = "" # Race prevention
  39         if os.path.exists(vendor_zip):
  40             if not helpers.images.validate(args, "vendor_ota", vendor_zip):
  41                 logging.warning("Not upgrading because vendor.img comes from an unverified source")
  42                 return
  43         else:
  44             vendor_zip = "" # Race prevention
  45         helpers.lxc.stop(args)
  46         helpers.images.umount_rootfs(args)
  47         helpers.images.replace(args, system_zip, system_time,
  48                                vendor_zip, vendor_time)
  49         args.session["background_start"] = "false"
  50         helpers.images.mount_rootfs(args, args.images_path, args.session)
  51         helpers.protocol.set_aidl_version(args)
  52         helpers.lxc.start(args)
  53
  54     def service_thread():
  55         while not stopping:
  56             IHardware.add_service(
  57                 args, enableNFC, enableBluetooth, suspend, reboot, upgrade)
  58
  59     global stopping
  60     stopping = False
  61     args.hardware_manager = threading.Thread(target=service_thread)
  62     args.hardware_manager.start()
  63
  64 def stop(args):
  65     global stopping
  66     stopping = True
  67     try:
  68         if args.hardwareLoop:
  69             args.hardwareLoop.quit()
  70     except AttributeError:
  71         logging.debug("Hardware service is not even started")