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