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 uuid
  11 import tools.config
  12 from tools import helpers
  13 from tools import services
  14
  15
  16 def start(args):
  17     def make_prop(full_props_path):
  18         def add_prop(key, cfg_key):
  19             value = session_cfg["session"][cfg_key]
  20             if value != "None":
  21                 value = value.replace("/mnt/", "/mnt_extra/")
  22                 props.append(key + "=" + value)
  23
  24         if not os.path.isfile(args.work + "/waydroid_base.prop"):
  25             raise RuntimeError("waydroid_base.prop Not found")
  26         with open(args.work + "/waydroid_base.prop") as f:
  27             props = f.read().splitlines()
  28         if not props:
  29             raise RuntimeError("waydroid_base.prop is broken!!?")
  30
  31         add_prop("waydroid.host.user", "user_name")
  32         add_prop("waydroid.host.uid", "user_id")
  33         add_prop("waydroid.host.gid", "group_id")
  34         add_prop("waydroid.xdg_runtime_dir", "xdg_runtime_dir")
  35         add_prop("waydroid.pulse_runtime_path", "pulse_runtime_path")
  36         add_prop("waydroid.wayland_display", "wayland_display")
  37         if which("waydroid-sensord") is None:
  38             props.append("waydroid.stub_sensors_hal=1")
  39         dpi = session_cfg["session"]["lcd_density"]
  40         if dpi != "0":
  41             props.append("ro.sf.lcd_density=" + dpi)
  42
  43         final_props = open(full_props_path, "w")
  44         for prop in props:
  45             final_props.write(prop + "\n")
  46         final_props.close()
  47         os.chmod(full_props_path, 0o644)
  48
  49     def set_permissions(perm_list=None, mode="777"):
  50         def chmod(path, mode):
  51             if os.path.exists(path):
  52                 command = ["chmod", mode, "-R", path]
  53                 tools.helpers.run.user(args, command, check=False)
  54
  55         # Nodes list
  56         if not perm_list:
  57             perm_list = [
  58                 "/dev/ashmem",
  59
  60                 # sw_sync for HWC
  61                 "/dev/sw_sync",
  62                 "/sys/kernel/debug/sync/sw_sync",
  63
  64                 # Media
  65                 "/dev/Vcodec",
  66                 "/dev/MTK_SMI",
  67                 "/dev/mdp_sync",
  68                 "/dev/mtk_cmdq",
  69
  70                 # Graphics
  71                 "/dev/dri",
  72                 "/dev/graphics",
  73                 "/dev/pvr_sync",
  74                 "/dev/ion",
  75             ]
  76
  77             # Framebuffers
  78             perm_list.extend(glob.glob("/dev/fb*"))
  79             # Videos
  80             perm_list.extend(glob.glob("/dev/video*"))
  81
  82         for path in perm_list:
  83             chmod(path, mode)
  84
  85     def set_aidl_version():
  86         cfg = tools.config.load(args)
  87         android_api = 0
  88         try:
  89             android_api = int(helpers.props.file_get(args,
  90                     tools.config.defaults["rootfs"] + "/system/build.prop",
  91                     "ro.build.version.sdk"))
  92         except:
  93             logging.error("Failed to parse android version from system.img")
  94
  95         if android_api < 28:
  96             binder_protocol = "aidl"
  97             sm_protocol =     "aidl"
  98         elif android_api < 30:
  99             binder_protocol = "aidl2"
 100             sm_protocol =     "aidl2"
 101         elif android_api < 31:
 102             binder_protocol = "aidl3"
 103             sm_protocol =     "aidl3"
 104         else:
 105             binder_protocol = "aidl3"
 106             sm_protocol =     "aidl4"
 107
 108         cfg["waydroid"]["binder_protocol"] = binder_protocol
 109         cfg["waydroid"]["service_manager_protocol"] = sm_protocol
 110         tools.config.save(args, cfg)
 111
 112     def signal_handler(sig, frame):
 113         services.hardware_manager.stop(args)
 114         stop(args)
 115         sys.exit(0)
 116
 117     status = helpers.lxc.status(args)
 118     if status == "STOPPED":
 119         # Load binder and ashmem drivers
 120         cfg = tools.config.load(args)
 121         if cfg["waydroid"]["vendor_type"] == "MAINLINE":
 122             if helpers.drivers.probeBinderDriver(args) != 0:
 123                 logging.error("Failed to load Binder driver")
 124             if helpers.drivers.probeAshmemDriver(args) != 0:
 125                 logging.error("Failed to load Ashmem driver")
 126         helpers.drivers.loadBinderNodes(args)
 127         set_permissions([
 128             "/dev/" + args.BINDER_DRIVER,
 129             "/dev/" + args.VNDBINDER_DRIVER,
 130             "/dev/" + args.HWBINDER_DRIVER
 131         ], "666")
 132
 133         if os.path.exists(tools.config.session_defaults["config_path"]):
 134             session_cfg = tools.config.load_session()
 135             if session_cfg["session"]["state"] != "STOPPED":
 136                 logging.warning("Found session config on state: {}, restart session".format(
 137                     session_cfg["session"]["state"]))
 138                 os.remove(tools.config.session_defaults["config_path"])
 139         logging.debug("Container manager is waiting for session to load")
 140         while not os.path.exists(tools.config.session_defaults["config_path"]):
 141             time.sleep(1)
 142
 143         # Load session configs
 144         session_cfg = tools.config.load_session()
 145
 146         # Generate props
 147         make_prop(args.work + "/waydroid.prop")
 148
 149         # Networking
 150         command = [tools.config.tools_src +
 151                    "/data/scripts/waydroid-net.sh", "start"]
 152         tools.helpers.run.user(args, command, check=False)
 153
 154         # Sensors
 155         if which("waydroid-sensord"):
 156             tools.helpers.run.user(
 157                 args, ["waydroid-sensord", "/dev/" + args.HWBINDER_DRIVER], output="background")
 158
 159         # Mount rootfs
 160         helpers.images.mount_rootfs(args, cfg["waydroid"]["images_path"])
 161
 162         set_aidl_version()
 163
 164         # Mount data
 165         helpers.mount.bind(args, session_cfg["session"]["waydroid_data"],
 166                            tools.config.defaults["data"])
 167
 168         # Cgroup hacks
 169         if which("start"):
 170             command = ["start", "cgroup-lite"]
 171             tools.helpers.run.user(args, command, check=False)
 172         if os.path.ismount("/sys/fs/cgroup/schedtune"):
 173             command = ["umount", "-l", "/sys/fs/cgroup/schedtune"]
 174             tools.helpers.run.user(args, command, check=False)
 175
 176         #TODO: remove NFC hacks
 177         if which("stop"):
 178             command = ["stop", "nfcd"]
 179             tools.helpers.run.user(args, command, check=False)
 180
 181         # Set permissions
 182         set_permissions()
 183
 184         helpers.lxc.start(args)
 185         session_cfg["session"]["state"] = helpers.lxc.status(args)
 186         timeout = 10
 187         while session_cfg["session"]["state"] != "RUNNING" and timeout > 0:
 188             session_cfg["session"]["state"] = helpers.lxc.status(args)
 189             logging.info(
 190                 "waiting {} seconds for container to start...".format(timeout))
 191             timeout = timeout - 1
 192             time.sleep(1)
 193         if session_cfg["session"]["state"] != "RUNNING":
 194             raise OSError("container failed to start")
 195         tools.config.save_session(session_cfg)
 196
 197         services.hardware_manager.start(args)
 198
 199         signal.signal(signal.SIGINT, signal_handler)
 200         while os.path.exists(tools.config.session_defaults["config_path"]):
 201             session_cfg = tools.config.load_session()
 202             if session_cfg["session"]["state"] == "STOPPED":
 203                 services.hardware_manager.stop(args)
 204                 sys.exit(0)
 205             elif session_cfg["session"]["state"] == "UNFREEZE":
 206                 session_cfg["session"]["state"] = helpers.lxc.status(args)
 207                 tools.config.save_session(session_cfg)
 208                 unfreeze(args)
 209             time.sleep(1)
 210
 211         logging.warning("session manager stopped, stopping container and waiting...")
 212         stop(args)
 213         services.hardware_manager.stop(args)
 214         start(args)
 215     else:
 216         logging.error("WayDroid container is {}".format(status))
 217
 218 def stop(args):
 219     status = helpers.lxc.status(args)
 220     if status != "STOPPED":
 221         helpers.lxc.stop(args)
 222         if os.path.exists(tools.config.session_defaults["config_path"]):
 223             session_cfg = tools.config.load_session()
 224             session_cfg["session"]["state"] = helpers.lxc.status(args)
 225             tools.config.save_session(session_cfg)
 226
 227         # Networking
 228         command = [tools.config.tools_src +
 229                    "/data/scripts/waydroid-net.sh", "stop"]
 230         tools.helpers.run.user(args, command, check=False)
 231
 232         #TODO: remove NFC hacks
 233         if which("start"):
 234             command = ["start", "nfcd"]
 235             tools.helpers.run.user(args, command, check=False)
 236
 237         # Sensors
 238         if which("waydroid-sensord"):
 239             command = ["pidof", "waydroid-sensord"]
 240             pid = tools.helpers.run.user(args, command, check=False, output_return=True).strip()
 241             if pid:
 242                 command = ["kill", "-9", pid]
 243                 tools.helpers.run.user(args, command, check=False)
 244
 245         # Umount rootfs
 246         helpers.images.umount_rootfs(args)
 247
 248         # Umount data
 249         helpers.mount.umount_all(args, tools.config.defaults["data"])
 250
 251     else:
 252         logging.error("WayDroid container is {}".format(status))
 253
 254 def restart(args):
 255     status = helpers.lxc.status(args)
 256     if status == "RUNNING":
 257         helpers.lxc.stop(args)
 258         helpers.lxc.start(args)
 259     else:
 260         logging.error("WayDroid container is {}".format(status))
 261
 262 def freeze(args):
 263     status = helpers.lxc.status(args)
 264     if status == "RUNNING":
 265         helpers.lxc.freeze(args)
 266         if os.path.exists(tools.config.session_defaults["config_path"]):
 267             session_cfg = tools.config.load_session()
 268             session_cfg["session"]["state"] = helpers.lxc.status(args)
 269             tools.config.save_session(session_cfg)
 270     else:
 271         logging.error("WayDroid container is {}".format(status))
 272
 273 def unfreeze(args):
 274     status = helpers.lxc.status(args)
 275     if status == "FROZEN":
 276         helpers.lxc.unfreeze(args)
 277         if os.path.exists(tools.config.session_defaults["config_path"]):
 278             session_cfg = tools.config.load_session()
 279             session_cfg["session"]["state"] = helpers.lxc.status(args)
 280             tools.config.save_session(session_cfg)
 281     else:
 282         logging.error("WayDroid container is {}".format(status))