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refactoring

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This commit is contained in:
Maxim Devaev
2022-03-31 16:17:52 +03:00
parent ab09f88d80
commit b775239d72
7 changed files with 44 additions and 59 deletions
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13
kvmd/apps/otg/__init__.py
View File

@@ -38,7 +38,6 @@ from ...yamlconf import Section
from ...validators import ValidatorError
from ... import env
from ... import usb
from .. import init
@@ -147,7 +146,7 @@ class _GadgetConfig:
# a Microsoft-specific extension of USB.
_write(join(func_path, "os_desc/interface.rndis/compatible_id"), "RNDIS")
_write(join(func_path, "os_desc/interface.rndis/sub_compatible_id"), "5162001")
_symlink(self.__profile_path, join(self.__gadget_path, "os_desc/c.1"))
_symlink(self.__profile_path, join(self.__gadget_path, "os_desc", usb.G_PROFILE_NAME))
_symlink(func_path, join(self.__profile_path, func))
self.__create_meta(func, "Ethernet")
@@ -207,7 +206,7 @@ def _cmd_start(config: Section) -> None: # pylint: disable=too-many-statements
logger.info("Using UDC %s", udc)
logger.info("Creating gadget %r ...", config.otg.gadget)
gadget_path = join(f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget", config.otg.gadget)
gadget_path = usb.get_gadget_path(config.otg.gadget)
_mkdir(gadget_path)
_write(join(gadget_path, "idVendor"), f"0x{config.otg.vendor_id:04X}")
@@ -229,7 +228,7 @@ def _cmd_start(config: Section) -> None: # pylint: disable=too-many-statements
_write(join(lang_path, "product"), config.otg.product)
_write(join(lang_path, "serialnumber"), config.otg.serial)
profile_path = join(gadget_path, "configs/c.1")
profile_path = join(gadget_path, usb.G_PROFILE)
_mkdir(profile_path)
_mkdir(join(profile_path, "strings/0x409"))
_write(join(profile_path, "strings/0x409/configuration"), f"Config 1: {config.otg.config}")
@@ -285,14 +284,14 @@ def _cmd_stop(config: Section) -> None:
_check_config(config)
gadget_path = join(f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget", config.otg.gadget)
gadget_path = usb.get_gadget_path(config.otg.gadget)
logger.info("Disabling gadget %r ...", config.otg.gadget)
_write(join(gadget_path, "UDC"), "\n")
_unlink(join(gadget_path, "os_desc/c.1"), True)
_unlink(join(gadget_path, "os_desc", usb.G_PROFILE_NAME), True)
profile_path = join(gadget_path, "configs/c.1")
profile_path = join(gadget_path, usb.G_PROFILE)
for func in os.listdir(profile_path):
if re.search(r"\.usb\d+$", func):
_unlink(join(profile_path, func))

20
kvmd/apps/otgconf/__init__.py
View File

@@ -31,25 +31,16 @@ from typing import Optional
from ...validators.basic import valid_stripped_string_not_empty
from ... import env
from ... import usb
from .. import init
# =====
def _make_config_path(gadget: str, func: str) -> str:
return os.path.join(f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget", gadget, "configs/c.1", func)
def _make_func_path(gadget: str, func: str) -> str:
return os.path.join(f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget", gadget, "functions", func)
@contextlib.contextmanager
def _udc_stopped(gadget: str, udc: str) -> Generator[None, None, None]:
udc = usb.find_udc(udc)
udc_path = os.path.join(f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget", gadget, "UDC")
udc_path = usb.get_gadget_path(gadget, usb.G_UDC)
with open(udc_path) as udc_file:
enabled = bool(udc_file.read().strip())
if enabled:
@@ -65,19 +56,22 @@ def _udc_stopped(gadget: str, udc: str) -> Generator[None, None, None]:
def _enable_function(gadget: str, udc: str, func: str) -> None:
with _udc_stopped(gadget, udc):
os.symlink(_make_func_path(gadget, func), _make_config_path(gadget, func))
os.symlink(
usb.get_gadget_path(gadget, usb.G_FUNCTIONS, func),
usb.get_gadget_path(gadget, usb.G_PROFILE, func),
)
def _disable_function(gadget: str, udc: str, func: str) -> None:
with _udc_stopped(gadget, udc):
os.unlink(_make_config_path(gadget, func))
os.unlink(usb.get_gadget_path(gadget, usb.G_PROFILE, func))
def _list_functions(gadget: str, meta_path: str) -> None:
for meta_name in sorted(os.listdir(meta_path)):
with open(os.path.join(meta_path, meta_name)) as meta_file:
meta = json.loads(meta_file.read())
enabled = os.path.exists(_make_config_path(gadget, meta["func"]))
enabled = os.path.exists(usb.get_gadget_path(gadget, usb.G_PROFILE, meta["func"]))
print(f"{'+' if enabled else '-'} {meta['func']} # {meta['name']}")

15
kvmd/apps/otgmsd/__init__.py
View File

@@ -34,29 +34,24 @@ from ...validators.basic import valid_bool
from ...validators.basic import valid_int_f0
from ...validators.os import valid_abs_file
from ... import env
from ... import usb
from .. import init
# =====
def _make_param_path(gadget: str, instance: int, param: str) -> str:
return os.path.join(
f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget",
gadget,
f"functions/mass_storage.usb{instance}/lun.0",
param,
)
def _get_param_path(gadget: str, instance: int, param: str) -> str:
return usb.get_gadget_path(gadget, usb.G_FUNCTIONS, f"mass_storage.usb{instance}/lun.0", param)
def _get_param(gadget: str, instance: int, param: str) -> str:
with open(_make_param_path(gadget, instance, param)) as param_file:
with open(_get_param_path(gadget, instance, param)) as param_file:
return param_file.read().strip()
def _set_param(gadget: str, instance: int, param: str, value: str) -> None:
try:
with open(_make_param_path(gadget, instance, param), "w") as param_file:
with open(_get_param_path(gadget, instance, param), "w") as param_file:
param_file.write(value + "\n")
except OSError as err:
if err.errno == errno.EBUSY:

9
kvmd/apps/otgnet/__init__.py
View File

@@ -20,7 +20,6 @@
# ========================================================================== #
import os
import asyncio
import ipaddress
import dataclasses
@@ -34,9 +33,9 @@ from ...logging import get_logger
from ...yamlconf import Section
from ... import env
from ... import tools
from ... import aioproc
from ... import usb
from .. import init
@@ -176,11 +175,7 @@ class _Service: # pylint: disable=too-many-instance-attributes
real_driver = self.__driver
if self.__driver == "rndis5":
real_driver = "rndis"
path = env.SYSFS_PREFIX + os.path.join(
"/sys/kernel/config/usb_gadget",
self.__gadget,
f"functions/{real_driver}.usb0/ifname",
)
path = usb.get_gadget_path(self.__gadget, usb.G_FUNCTIONS, f"{real_driver}.usb0/ifname")
logger.info("Using OTG gadget %r ...", self.__gadget)
with open(path) as iface_file:
iface = iface_file.read().strip()