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         command = ["umount", "-l", "/sys/fs/cgroup/schedtune"]
 173         tools.helpers.run.user(args, command, check=False)
 174
 175         #TODO: remove NFC hacks
 176         if which("stop"):
 177             command = ["stop", "nfcd"]
 178             tools.helpers.run.user(args, command, check=False)
 179
 180         # Set permissions
 181         set_permissions()
 182
 183         helpers.lxc.start(args)
 184         session_cfg["session"]["state"] = helpers.lxc.status(args)
 185         timeout = 10
 186         while session_cfg["session"]["state"] != "RUNNING" and timeout > 0:
 187             session_cfg["session"]["state"] = helpers.lxc.status(args)
 188             logging.info(
 189                 "waiting {} seconds for container to start...".format(timeout))
 190             timeout = timeout - 1
 191             time.sleep(1)
 192         if session_cfg["session"]["state"] != "RUNNING":
 193             raise OSError("container failed to start")
 194         tools.config.save_session(session_cfg)
 195
 196         services.hardware_manager.start(args)
 197
 198         signal.signal(signal.SIGINT, signal_handler)
 199         while os.path.exists(tools.config.session_defaults["config_path"]):
 200             session_cfg = tools.config.load_session()
 201             if session_cfg["session"]["state"] == "STOPPED":
 202                 services.hardware_manager.stop(args)
 203                 sys.exit(0)
 204             elif session_cfg["session"]["state"] == "UNFREEZE":
 205                 session_cfg["session"]["state"] = helpers.lxc.status(args)
 206                 tools.config.save_session(session_cfg)
 207                 unfreeze(args)
 208             time.sleep(1)
 209
 210         logging.warning("session manager stopped, stopping container and waiting...")
 211         stop(args)
 212         services.hardware_manager.stop(args)
 213         start(args)
 214     else:
 215         logging.error("WayDroid container is {}".format(status))
 216
 217 def stop(args):
 218     status = helpers.lxc.status(args)
 219     if status != "STOPPED":
 220         helpers.lxc.stop(args)
 221         if os.path.exists(tools.config.session_defaults["config_path"]):
 222             session_cfg = tools.config.load_session()
 223             session_cfg["session"]["state"] = helpers.lxc.status(args)
 224             tools.config.save_session(session_cfg)
 225
 226         # Networking
 227         command = [tools.config.tools_src +
 228                    "/data/scripts/waydroid-net.sh", "stop"]
 229         tools.helpers.run.user(args, command, check=False)
 230
 231         #TODO: remove NFC hacks
 232         if which("start"):
 233             command = ["start", "nfcd"]
 234             tools.helpers.run.user(args, command, check=False)
 235
 236         # Sensors
 237         if which("waydroid-sensord"):
 238             command = ["pidof", "waydroid-sensord"]
 239             pid = tools.helpers.run.user(args, command, check=False, output_return=True).strip()
 240             if pid:
 241                 command = ["kill", "-9", pid]
 242                 tools.helpers.run.user(args, command, check=False)
 243
 244         # Umount rootfs
 245         helpers.images.umount_rootfs(args)
 246
 247         # Umount data
 248         helpers.mount.umount_all(args, tools.config.defaults["data"])
 249
 250     else:
 251         logging.error("WayDroid container is {}".format(status))
 252
 253 def restart(args):
 254     status = helpers.lxc.status(args)
 255     if status == "RUNNING":
 256         helpers.lxc.stop(args)
 257         helpers.lxc.start(args)
 258     else:
 259         logging.error("WayDroid container is {}".format(status))
 260
 261 def freeze(args):
 262     status = helpers.lxc.status(args)
 263     if status == "RUNNING":
 264         helpers.lxc.freeze(args)
 265         if os.path.exists(tools.config.session_defaults["config_path"]):
 266             session_cfg = tools.config.load_session()
 267             session_cfg["session"]["state"] = helpers.lxc.status(args)
 268             tools.config.save_session(session_cfg)
 269     else:
 270         logging.error("WayDroid container is {}".format(status))
 271
 272 def unfreeze(args):
 273     status = helpers.lxc.status(args)
 274     if status == "FROZEN":
 275         helpers.lxc.unfreeze(args)
 276         if os.path.exists(tools.config.session_defaults["config_path"]):
 277             session_cfg = tools.config.load_session()
 278             session_cfg["session"]["state"] = helpers.lxc.status(args)
 279             tools.config.save_session(session_cfg)
 280     else:
 281         logging.error("WayDroid container is {}".format(status))