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                 "/dev/pvr_sync",
  73                 "/dev/ion",
  74             ]
  75
  76             # Framebuffers
  77             perm_list.extend(glob.glob("/dev/fb*"))
  78             # Videos
  79             perm_list.extend(glob.glob("/dev/video*"))
  80
  81         for path in perm_list:
  82             chmod(path, mode)
  83
  84     def signal_handler(sig, frame):
  85         services.hardware_manager.stop(args)
  86         stop(args)
  87         sys.exit(0)
  88
  89     status = helpers.lxc.status(args)
  90     if status == "STOPPED":
  91         # Load binder and ashmem drivers
  92         cfg = tools.config.load(args)
  93         if cfg["waydroid"]["vendor_type"] == "MAINLINE":
  94             if helpers.drivers.probeBinderDriver(args) != 0:
  95                 logging.error("Failed to load Binder driver")
  96             if helpers.drivers.probeAshmemDriver(args) != 0:
  97                 logging.error("Failed to load Ashmem driver")
  98         helpers.drivers.loadBinderNodes(args)
  99         set_permissions([
 100             "/dev/" + args.BINDER_DRIVER,
 101             "/dev/" + args.VNDBINDER_DRIVER,
 102             "/dev/" + args.HWBINDER_DRIVER
 103         ], "666")
 104
 105         if os.path.exists(tools.config.session_defaults["config_path"]):
 106             session_cfg = tools.config.load_session()
 107             if session_cfg["session"]["state"] != "STOPPED":
 108                 logging.warning("Found session config on state: {}, restart session".format(
 109                     session_cfg["session"]["state"]))
 110                 os.remove(tools.config.session_defaults["config_path"])
 111         logging.debug("Container manager is waiting for session to load")
 112         while not os.path.exists(tools.config.session_defaults["config_path"]):
 113             time.sleep(1)
 114
 115         # Load session configs
 116         session_cfg = tools.config.load_session()
 117
 118         # Generate props
 119         make_prop(args.work + "/waydroid.prop")
 120
 121         # Networking
 122         command = [tools.config.tools_src +
 123                    "/data/scripts/waydroid-net.sh", "start"]
 124         tools.helpers.run.user(args, command, check=False)
 125
 126         # Sensors
 127         if which("waydroid-sensord"):
 128             tools.helpers.run.user(
 129                 args, ["waydroid-sensord", "/dev/" + args.HWBINDER_DRIVER], output="background")
 130
 131         # Mount rootfs
 132         helpers.images.mount_rootfs(args, cfg["waydroid"]["images_path"])
 133
 134         # Mount data
 135         helpers.mount.bind(args, session_cfg["session"]["waydroid_data"],
 136                            tools.config.defaults["data"])
 137
 138         # Cgroup hacks
 139         if which("start"):
 140             command = ["start", "cgroup-lite"]
 141             tools.helpers.run.user(args, command, check=False)
 142         command = ["umount", "-l", "/sys/fs/cgroup/schedtune"]
 143         tools.helpers.run.user(args, command, check=False)
 144
 145         #TODO: remove NFC hacks
 146         if which("stop"):
 147             command = ["stop", "nfcd"]
 148             tools.helpers.run.user(args, command, check=False)
 149
 150         # Set permissions
 151         set_permissions()
 152
 153         helpers.lxc.start(args)
 154         session_cfg["session"]["state"] = helpers.lxc.status(args)
 155         timeout = 10
 156         while session_cfg["session"]["state"] != "RUNNING" and timeout > 0:
 157             session_cfg["session"]["state"] = helpers.lxc.status(args)
 158             logging.info(
 159                 "waiting {} seconds for container to start...".format(timeout))
 160             timeout = timeout - 1
 161             time.sleep(1)
 162         if session_cfg["session"]["state"] != "RUNNING":
 163             raise OSError("container failed to start")
 164         tools.config.save_session(session_cfg)
 165
 166         services.hardware_manager.start(args)
 167
 168         signal.signal(signal.SIGINT, signal_handler)
 169         while os.path.exists(tools.config.session_defaults["config_path"]):
 170             session_cfg = tools.config.load_session()
 171             if session_cfg["session"]["state"] == "STOPPED":
 172                 services.hardware_manager.stop(args)
 173                 sys.exit(0)
 174             elif session_cfg["session"]["state"] == "UNFREEZE":
 175                 session_cfg["session"]["state"] = helpers.lxc.status(args)
 176                 tools.config.save_session(session_cfg)
 177                 unfreeze(args)
 178             time.sleep(1)
 179
 180         logging.warning("session manager stopped, stopping container and waiting...")
 181         stop(args)
 182         services.hardware_manager.stop(args)
 183         start(args)
 184     else:
 185         logging.error("WayDroid container is {}".format(status))
 186
 187 def stop(args):
 188     status = helpers.lxc.status(args)
 189     if status != "STOPPED":
 190         helpers.lxc.stop(args)
 191         if os.path.exists(tools.config.session_defaults["config_path"]):
 192             session_cfg = tools.config.load_session()
 193             session_cfg["session"]["state"] = helpers.lxc.status(args)
 194             tools.config.save_session(session_cfg)
 195
 196         # Networking
 197         command = [tools.config.tools_src +
 198                    "/data/scripts/waydroid-net.sh", "stop"]
 199         tools.helpers.run.user(args, command, check=False)
 200
 201         #TODO: remove NFC hacks
 202         if which("start"):
 203             command = ["start", "nfcd"]
 204             tools.helpers.run.user(args, command, check=False)
 205
 206         # Sensors
 207         if which("waydroid-sensord"):
 208             command = ["pidof", "waydroid-sensord"]
 209             pid = tools.helpers.run.user(args, command, check=False, output_return=True)
 210             if pid:
 211                 command = ["kill", "-9", pid]
 212                 tools.helpers.run.user(args, command, check=False)
 213
 214         # Umount rootfs
 215         helpers.images.umount_rootfs(args)
 216
 217         # Umount data
 218         helpers.mount.umount_all(args, tools.config.defaults["data"])
 219
 220     else:
 221         logging.error("WayDroid container is {}".format(status))
 222
 223 def restart(args):
 224     status = helpers.lxc.status(args)
 225     if status == "RUNNING":
 226         helpers.lxc.stop(args)
 227         helpers.lxc.start(args)
 228     else:
 229         logging.error("WayDroid container is {}".format(status))
 230
 231 def freeze(args):
 232     status = helpers.lxc.status(args)
 233     if status == "RUNNING":
 234         helpers.lxc.freeze(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))
 241
 242 def unfreeze(args):
 243     status = helpers.lxc.status(args)
 244     if status == "FROZEN":
 245         helpers.lxc.unfreeze(args)
 246         if os.path.exists(tools.config.session_defaults["config_path"]):
 247             session_cfg = tools.config.load_session()
 248             session_cfg["session"]["state"] = helpers.lxc.status(args)
 249             tools.config.save_session(session_cfg)
 250     else:
 251         logging.error("WayDroid container is {}".format(status))