tools/actions/container_manager.py

   1 # Copyright 2021 Erfan Abdi
   2 # SPDX-License-Identifier: GPL-3.0-or-later
   3 from shutil import which
   4 import logging
   5 import os
   6 import time
   7 import glob
   8 import signal
   9 import sys
  10 import tools.config
  11 from tools import helpers
  12 from tools import services
  13
  14
  15 def start(args):
  16     def make_prop(full_props_path):
  17         def add_prop(key, cfg_key):
  18             value = session_cfg["session"][cfg_key]
  19             if value != "None":
  20                 props.append(key + "=" + session_cfg["session"][cfg_key])
  21
  22         if not os.path.isfile(args.work + "/waydroid_base.prop"):
  23             raise RuntimeError("waydroid_base.prop Not found")
  24         with open(args.work + "/waydroid_base.prop") as f:
  25             props = f.read().splitlines()
  26         if not props:
  27             raise RuntimeError("waydroid_base.prop is broken!!?")
  28
  29         add_prop("waydroid.host.user", "user_name")
  30         add_prop("waydroid.host.uid", "user_id")
  31         add_prop("waydroid.host.gid", "group_id")
  32         add_prop("waydroid.xdg_runtime_dir", "xdg_runtime_dir")
  33         add_prop("waydroid.pulse_runtime_path", "pulse_runtime_path")
  34         add_prop("waydroid.wayland_display", "wayland_display")
  35         if which("waydroid-sensord") is None:
  36             props.append("waydroid.stub_sensors_hal=1")
  37         dpi = session_cfg["session"]["lcd_density"]
  38         if dpi != "0":
  39             props.append("ro.sf.lcd_density=" + dpi)
  40
  41         final_props = open(full_props_path, "w")
  42         for prop in props:
  43             final_props.write(prop + "\n")
  44         final_props.close()
  45         os.chmod(full_props_path, 0o644)
  46
  47     def set_permissions(perm_list=None, mode="777"):
  48         def chmod(path, mode):
  49             if os.path.exists(path):
  50                 command = ["chmod", mode, "-R", path]
  51                 tools.helpers.run.root(args, command, check=False)
  52
  53         # Nodes list
  54         if not perm_list:
  55             perm_list = [
  56                 "/dev/ashmem",
  57
  58                 # sw_sync for HWC
  59                 "/dev/sw_sync",
  60                 "/sys/kernel/debug/sync/sw_sync",
  61
  62                 # Media
  63                 "/dev/Vcodec",
  64                 "/dev/MTK_SMI",
  65                 "/dev/mdp_sync",
  66                 "/dev/mtk_cmdq",
  67                 "/dev/video32",
  68                 "/dev/video33",
  69
  70                 # Graphics
  71                 "/dev/dri",
  72                 "/dev/graphics",
  73             ]
  74
  75             # Framebuffers
  76             perm_list.extend(glob.glob("/dev/fb*"))
  77
  78         for path in perm_list:
  79             chmod(path, mode)
  80
  81     def signal_handler(sig, frame):
  82         services.hardware_manager.stop(args)
  83         stop(args)
  84         sys.exit(0)
  85
  86     status = helpers.lxc.status(args)
  87     if status == "STOPPED":
  88         # Load binder and ashmem drivers
  89         cfg = tools.config.load(args)
  90         if cfg["waydroid"]["vendor_type"] == "MAINLINE":
  91             if helpers.drivers.probeBinderDriver(args) != 0:
  92                 logging.error("Failed to load Binder driver")
  93             if helpers.drivers.probeAshmemDriver(args) != 0:
  94                 logging.error("Failed to load Ashmem driver")
  95         helpers.drivers.loadBinderNodes(args)
  96         set_permissions([
  97             "/dev/" + args.BINDER_DRIVER,
  98             "/dev/" + args.VNDBINDER_DRIVER,
  99             "/dev/" + args.HWBINDER_DRIVER
 100         ], "666")
 101
 102         if os.path.exists(tools.config.session_defaults["config_path"]):
 103             session_cfg = tools.config.load_session()
 104             if session_cfg["session"]["state"] != "STOPPED":
 105                 logging.warning("Found session config on state: {}, restart session".format(
 106                     session_cfg["session"]["state"]))
 107                 os.remove(tools.config.session_defaults["config_path"])
 108         logging.debug("Container manager is waiting for session to load")
 109         while not os.path.exists(tools.config.session_defaults["config_path"]):
 110             time.sleep(1)
 111
 112         # Load session configs
 113         session_cfg = tools.config.load_session()
 114
 115         # Generate props
 116         make_prop(args.work + "/waydroid.prop")
 117
 118         # Networking
 119         command = [tools.config.tools_src +
 120                    "/data/scripts/waydroid-net.sh", "start"]
 121         tools.helpers.run.root(args, command, check=False)
 122
 123         # Sensors
 124         tools.helpers.run.root(
 125             args, ["waydroid-sensord", "/dev/" + args.HWBINDER_DRIVER], output="background")
 126
 127         # Mount rootfs
 128         helpers.images.mount_rootfs(args, cfg["waydroid"]["images_path"])
 129
 130         # Mount data
 131         helpers.mount.bind(args, session_cfg["session"]["waydroid_data"],
 132                            tools.config.defaults["data"])
 133
 134         # Cgroup hacks
 135         if which("start"):
 136             command = ["start", "cgroup-lite"]
 137             tools.helpers.run.root(args, command, check=False)
 138         helpers.mount.umount_all(args, "/sys/fs/cgroup/schedtune")
 139
 140         #TODO: remove NFC hacks
 141         if which("stop"):
 142             command = ["stop", "nfcd"]
 143             tools.helpers.run.root(args, command, check=False)
 144
 145         # Set permissions
 146         set_permissions()
 147
 148         helpers.lxc.start(args)
 149         session_cfg["session"]["state"] = helpers.lxc.status(args)
 150         timeout = 10
 151         while session_cfg["session"]["state"] != "RUNNING" and timeout > 0:
 152             session_cfg["session"]["state"] = helpers.lxc.status(args)
 153             logging.info(
 154                 "waiting {} seconds for container to start...".format(timeout))
 155             timeout = timeout - 1
 156             time.sleep(1)
 157         if session_cfg["session"]["state"] != "RUNNING":
 158             raise OSError("container failed to start")
 159         tools.config.save_session(session_cfg)
 160
 161         services.hardware_manager.start(args)
 162
 163         signal.signal(signal.SIGINT, signal_handler)
 164         while os.path.exists(tools.config.session_defaults["config_path"]):
 165             session_cfg = tools.config.load_session()
 166             if session_cfg["session"]["state"] == "STOPPED":
 167                 services.hardware_manager.stop(args)
 168                 sys.exit(0)
 169             elif session_cfg["session"]["state"] == "UNFREEZE":
 170                 session_cfg["session"]["state"] = helpers.lxc.status(args)
 171                 tools.config.save_session(session_cfg)
 172                 unfreeze(args)
 173             time.sleep(1)
 174
 175         logging.warning("session manager stopped, stopping container and waiting...")
 176         stop(args)
 177         services.hardware_manager.stop(args)
 178         start(args)
 179     else:
 180         logging.error("WayDroid container is {}".format(status))
 181
 182 def stop(args):
 183     status = helpers.lxc.status(args)
 184     if status != "STOPPED":
 185         helpers.lxc.stop(args)
 186         if os.path.exists(tools.config.session_defaults["config_path"]):
 187             session_cfg = tools.config.load_session()
 188             session_cfg["session"]["state"] = helpers.lxc.status(args)
 189             tools.config.save_session(session_cfg)
 190
 191         # Networking
 192         command = [tools.config.tools_src +
 193                    "/data/scripts/waydroid-net.sh", "stop"]
 194         tools.helpers.run.root(args, command, check=False)
 195
 196         #TODO: remove NFC hacks
 197         if which("start"):
 198             command = ["start", "nfcd"]
 199             tools.helpers.run.root(args, command, check=False)
 200
 201         # Sensors
 202         if which("waydroid-sensord"):
 203             command = ["pidof", "waydroid-sensord"]
 204             pid = tools.helpers.run.root(args, command, check=False, output_return=True)
 205             if pid:
 206                 command = ["kill", "-9", pid]
 207                 tools.helpers.run.root(args, command, check=False)
 208
 209     else:
 210         logging.error("WayDroid container is {}".format(status))
 211
 212 def restart(args):
 213     status = helpers.lxc.status(args)
 214     if status == "RUNNING":
 215         helpers.lxc.stop(args)
 216         helpers.lxc.start(args)
 217     else:
 218         logging.error("WayDroid container is {}".format(status))
 219
 220 def freeze(args):
 221     status = helpers.lxc.status(args)
 222     if status == "RUNNING":
 223         helpers.lxc.freeze(args)
 224         if os.path.exists(tools.config.session_defaults["config_path"]):
 225             session_cfg = tools.config.load_session()
 226             session_cfg["session"]["state"] = helpers.lxc.status(args)
 227             tools.config.save_session(session_cfg)
 228     else:
 229         logging.error("WayDroid container is {}".format(status))
 230
 231 def unfreeze(args):
 232     status = helpers.lxc.status(args)
 233     if status == "FROZEN":
 234         helpers.lxc.unfreeze(args)
 235         if os.path.exists(tools.config.session_defaults["config_path"]):
 236             session_cfg = tools.config.load_session()
 237             session_cfg["session"]["state"] = helpers.lxc.status(args)
 238             tools.config.save_session(session_cfg)
 239     else:
 240         logging.error("WayDroid container is {}".format(status))