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removed relay msd

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This commit is contained in:
Maxim Devaev 2022-11-21 07:19:35 +03:00
parent 703cc2b981
commit be25f5a026
9 changed files with 21 additions and 589 deletions
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19
kvmd/plugins/msd/__init__.py
View File

@ -85,21 +85,6 @@ class MsdImageExistsError(MsdOperationError):
super().__init__("This image is already exists")
class MsdMultiNotSupported(MsdOperationError):
def __init__(self) -> None:
super().__init__("This MSD does not support storing multiple images")
class MsdCdromNotSupported(MsdOperationError):
def __init__(self) -> None:
super().__init__("This MSD does not support CD-ROM switching")
class MsdRwNotSupported(MsdOperationError):
def __init__(self) -> None:
super().__init__("This MSD does not support RW switching")
# =====
class BaseMsdReader:
def get_state(self) -> dict:
@ -281,10 +266,6 @@ class MsdFileWriter(BaseMsdWriter): # pylint: disable=too-many-instance-attribu
def is_complete(self) -> bool:
return (self.__written >= self.__file_size)
def get_file(self) -> aiofiles.base.AiofilesContextManager:
assert self.__file is not None
return self.__file
async def open(self) -> "MsdFileWriter":
assert self.__file is None
get_logger(1).info("Writing %r image (%d bytes) to MSD ...", self.__name, self.__file_size)

293
kvmd/plugins/msd/relay/__init__.py
View File

@ -1,293 +0,0 @@
# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
import asyncio
import contextlib
import dataclasses
import functools
from typing import AsyncGenerator
from ....logging import get_logger
from .... import aiotools
from ....yamlconf import Option
from ....validators.basic import valid_bool
from ....validators.basic import valid_number
from ....validators.basic import valid_int_f1
from ....validators.basic import valid_float_f01
from ....validators.os import valid_abs_path
from ....validators.hw import valid_gpio_pin
from .. import MsdError
from .. import MsdIsBusyError
from .. import MsdOfflineError
from .. import MsdConnectedError
from .. import MsdDisconnectedError
from .. import MsdMultiNotSupported
from .. import MsdCdromNotSupported
from .. import MsdRwNotSupported
from .. import BaseMsdReader
from .. import BaseMsd
from .. import MsdFileWriter
from .gpio import Gpio
from .drive import DeviceInfo
# =====
class Plugin(BaseMsd): # pylint: disable=too-many-instance-attributes
def __init__( # pylint: disable=super-init-not-called,too-many-arguments
self,
upload_chunk_size: int,
sync_chunk_size: int,
gpio_device_path: str,
target_pin: int,
reset_inverted: bool,
reset_pin: int,
device_path: str,
init_delay: float,
init_retries: int,
reset_delay: float,
) -> None:
self.__upload_chunk_size = upload_chunk_size
self.__sync_chunk_size = sync_chunk_size
self.__device_path = device_path
self.__init_delay = init_delay
self.__init_retries = init_retries
self.__gpio = Gpio(gpio_device_path, target_pin, reset_pin, reset_inverted, reset_delay)
self.__device_info: (DeviceInfo | None) = None
self.__connected = False
self.__device_writer: (MsdFileWriter | None) = None
self.__notifier = aiotools.AioNotifier()
self.__region = aiotools.AioExclusiveRegion(MsdIsBusyError, self.__notifier)
@classmethod
def get_plugin_options(cls) -> dict:
return {
"upload_chunk_size": Option(65536, type=functools.partial(valid_number, min=1024)),
"sync_chunk_size": Option(4194304, type=functools.partial(valid_number, min=1024)),
"gpio_device": Option("/dev/gpiochip0", type=valid_abs_path, unpack_as="gpio_device_path"),
"target_pin": Option(-1, type=valid_gpio_pin),
"reset_pin": Option(-1, type=valid_gpio_pin),
"reset_inverted": Option(False, type=valid_bool),
"device": Option("", type=valid_abs_path, unpack_as="device_path"),
"init_delay": Option(1.0, type=valid_float_f01),
"init_retries": Option(5, type=valid_int_f1),
"reset_delay": Option(1.0, type=valid_float_f01),
}
def sysprep(self) -> None:
logger = get_logger(0)
self.__gpio.open()
logger.info("Using %r as MSD", self.__device_path)
try:
aiotools.run_sync(self.__load_device_info())
except Exception as err:
log = (logger.error if isinstance(err, MsdError) else logger.exception)
log("MSD is offline: %s", err)
async def get_state(self) -> dict:
storage: (dict | None) = None
drive: (dict | None) = None
if self.__device_info:
storage = {
"size": self.__device_info.size,
"free": self.__device_info.free,
"uploading": (self.__device_writer.get_state() if self.__device_writer else None),
}
drive = {
"image": (self.__device_info.image and dataclasses.asdict(self.__device_info.image)),
"connected": self.__connected,
}
return {
"enabled": True,
"online": bool(self.__device_info),
"busy": self.__region.is_busy(),
"storage": storage,
"drive": drive,
"features": {
"multi": False,
"cdrom": False,
"rw": False,
},
}
async def poll_state(self) -> AsyncGenerator[dict, None]:
prev_state: dict = {}
while True:
state = await self.get_state()
if state != prev_state:
yield state
prev_state = state
await self.__notifier.wait()
@aiotools.atomic_fg
async def reset(self) -> None:
await aiotools.run_region_task(
"Can't reset MSD or operation was not completed",
self.__region, self.__inner_reset,
)
@aiotools.atomic_fg
async def __inner_reset(self) -> None:
await self.__gpio.reset()
self.__gpio.switch_to_local()
self.__connected = False
await self.__load_device_info()
get_logger(0).info("MSD reset has been successful")
@aiotools.atomic_fg
async def cleanup(self) -> None:
try:
await self.__close_device_writer()
finally:
self.__gpio.close()
# =====
@aiotools.atomic_fg
async def set_params(
self,
name: (str | None)=None,
cdrom: (bool | None)=None,
rw: (bool | None)=None,
) -> None:
async with self.__working():
if name is not None:
raise MsdMultiNotSupported()
if cdrom is not None:
raise MsdCdromNotSupported()
if rw is not None:
raise MsdRwNotSupported()
@aiotools.atomic_fg
async def set_connected(self, connected: bool) -> None:
async with self.__working():
async with self.__region:
if connected:
if self.__connected:
raise MsdConnectedError()
self.__gpio.switch_to_server()
get_logger(0).info("MSD switched to Server")
else:
if not self.__connected:
raise MsdDisconnectedError()
self.__gpio.switch_to_local()
try:
await self.__load_device_info()
except Exception:
if self.__connected:
self.__gpio.switch_to_server()
raise
get_logger(0).info("MSD switched to KVM: %s", self.__device_info)
self.__connected = connected
@contextlib.asynccontextmanager
async def read_image(self, name: str) -> AsyncGenerator[BaseMsdReader, None]:
async with self.__working():
if self is not None: # XXX: Vulture and pylint hack
raise MsdMultiNotSupported()
yield BaseMsdReader()
@contextlib.asynccontextmanager
async def write_image(self, name: str, size: int, remove_incomplete: (bool | None)) -> AsyncGenerator[MsdFileWriter, None]:
async with self.__working():
if remove_incomplete is not None:
raise MsdMultiNotSupported()
async with self.__region:
try:
assert self.__device_info
if self.__connected:
raise MsdConnectedError()
self.__device_writer = await MsdFileWriter(
notifier=self.__notifier,
path=self.__device_info.path,
file_size=size,
sync_size=self.__sync_chunk_size,
chunk_size=self.__upload_chunk_size,
).open()
await self.__write_image_info(False)
self.__notifier.notify()
yield self.__device_writer
await self.__write_image_info(True)
finally:
try:
await aiotools.shield_fg(self.__close_device_writer())
finally:
await aiotools.shield_fg(self.__load_device_info())
@aiotools.atomic_fg
async def remove(self, name: str) -> None:
async with self.__working():
raise MsdMultiNotSupported()
# =====
@contextlib.asynccontextmanager
async def __working(self) -> AsyncGenerator[None, None]:
if not self.__device_info:
raise MsdOfflineError()
yield
# =====
async def __write_image_info(self, complete: bool) -> None:
assert self.__device_writer
assert self.__device_info
if not (await self.__device_info.write_image_info(self.__device_writer, complete)):
get_logger().error("Can't write image info because device is full")
async def __close_device_writer(self) -> None:
if self.__device_writer:
await self.__device_writer.close() # type: ignore
self.__device_writer = None
async def __load_device_info(self) -> None:
retries = self.__init_retries
while True:
await asyncio.sleep(self.__init_delay)
try:
self.__device_info = await DeviceInfo.read(self.__device_path)
break
except Exception:
if retries == 0:
self.__device_info = None
raise MsdError("Can't load device info")
get_logger().exception("Can't load device info; retries=%d", retries)
retries -= 1

142
kvmd/plugins/msd/relay/drive.py
View File

@ -1,142 +0,0 @@
# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
import os
import stat
import fcntl
import struct
import dataclasses
from typing import IO
from .... import aiotools
from .... import aiofs
from .. import MsdFileWriter
# =====
_IMAGE_INFO_SIZE = 4096
_IMAGE_INFO_MAGIC_SIZE = 16
_IMAGE_INFO_NAME_SIZE = 256
_IMAGE_INFO_PADS_SIZE = _IMAGE_INFO_SIZE - _IMAGE_INFO_NAME_SIZE - 1 - 8 - _IMAGE_INFO_MAGIC_SIZE * 8
_IMAGE_INFO_FORMAT = ">%dL%dc?Q%dx%dL" % (
_IMAGE_INFO_MAGIC_SIZE,
_IMAGE_INFO_NAME_SIZE,
_IMAGE_INFO_PADS_SIZE,
_IMAGE_INFO_MAGIC_SIZE,
)
_IMAGE_INFO_MAGIC = [0x1ACE1ACE] * _IMAGE_INFO_MAGIC_SIZE
# =====
@dataclasses.dataclass(frozen=True)
class ImageInfo:
name: str
size: int
complete: bool
@classmethod
def from_bytes(cls, data: bytes) -> ("ImageInfo" | None):
try:
parsed = list(struct.unpack(_IMAGE_INFO_FORMAT, data))
except struct.error:
pass
else:
magic_begin = parsed[:_IMAGE_INFO_MAGIC_SIZE]
magic_end = parsed[-_IMAGE_INFO_MAGIC_SIZE:]
if magic_begin == magic_end == _IMAGE_INFO_MAGIC:
image_name_bytes = b"".join(parsed[
_IMAGE_INFO_MAGIC_SIZE # noqa: E203
:
_IMAGE_INFO_MAGIC_SIZE + _IMAGE_INFO_NAME_SIZE
])
return ImageInfo(
name=image_name_bytes.decode("utf-8", errors="ignore").strip("\x00").strip(),
size=parsed[_IMAGE_INFO_MAGIC_SIZE + _IMAGE_INFO_NAME_SIZE + 1],
complete=parsed[_IMAGE_INFO_MAGIC_SIZE + _IMAGE_INFO_NAME_SIZE],
)
return None
def to_bytes(self) -> bytes:
return struct.pack(
_IMAGE_INFO_FORMAT,
*_IMAGE_INFO_MAGIC,
*memoryview(( # type: ignore
self.name.encode("utf-8")
+ b"\x00" * _IMAGE_INFO_NAME_SIZE
)[:_IMAGE_INFO_NAME_SIZE]).cast("c"),
self.complete,
self.size,
*_IMAGE_INFO_MAGIC,
)
@dataclasses.dataclass(frozen=True)
class DeviceInfo:
path: str
size: int
free: int
image: (ImageInfo | None)
@classmethod
async def read(cls, device_path: str) -> "DeviceInfo":
return (await aiotools.run_async(cls.__inner_read, device_path))
@classmethod
def __inner_read(cls, device_path: str) -> "DeviceInfo":
if not stat.S_ISBLK(os.stat(device_path).st_mode):
raise RuntimeError(f"Not a block device: {device_path}")
with open(device_path, "rb") as device_file:
# size = BLKGETSIZE * BLKSSZGET
size = _ioctl_uint32(device_file, 0x1260) * _ioctl_uint32(device_file, 0x1268)
device_file.seek(size - _IMAGE_INFO_SIZE)
image_info = ImageInfo.from_bytes(device_file.read())
return DeviceInfo(
path=device_path,
size=size,
free=(size - image_info.size if image_info else size),
image=image_info,
)
async def write_image_info(self, device_writer: MsdFileWriter, complete: bool) -> bool:
device_file = device_writer.get_file()
state = device_writer.get_state()
image_info = ImageInfo(state["name"], state["written"], complete)
if self.size - image_info.size > _IMAGE_INFO_SIZE:
await device_file.seek(self.size - _IMAGE_INFO_SIZE) # type: ignore
await device_file.write(image_info.to_bytes()) # type: ignore
await aiofs.afile_sync(device_file)
await device_file.seek(0) # type: ignore
return True
return False # Device is full
def _ioctl_uint32(device_file: IO, request: int) -> int:
buf = b"\0" * 4
buf = fcntl.ioctl(device_file.fileno(), request, buf) # type: ignore
result = struct.unpack("I", buf)[0]
assert result > 0, (device_file, request, buf)
return result

79
kvmd/plugins/msd/relay/gpio.py
View File

@ -1,79 +0,0 @@
# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
import gpiod
from .... import aiogp
# =====
class Gpio: # pylint: disable=too-many-instance-attributes
def __init__(
self,
device_path: str,
target_pin: int,
reset_pin: int,
reset_inverted: bool,
reset_delay: float,
) -> None:
self.__device_path = device_path
self.__target_pin = target_pin
self.__reset_pin = reset_pin
self.__reset_inverted = reset_inverted
self.__reset_delay = reset_delay
self.__chip: (gpiod.Chip | None) = None
self.__target_line: (gpiod.Line | None) = None
self.__reset_line: (gpiod.Line | None) = None
def open(self) -> None:
assert self.__chip is None
assert self.__target_line is None
assert self.__reset_line is None
self.__chip = gpiod.Chip(self.__device_path)
self.__target_line = self.__chip.get_line(self.__target_pin)
self.__target_line.request("kvmd::msd::target", gpiod.LINE_REQ_DIR_OUT, default_vals=[0])
self.__reset_line = self.__chip.get_line(self.__reset_pin)
self.__reset_line.request("kvmd::msd::reset", gpiod.LINE_REQ_DIR_OUT, default_vals=[int(self.__reset_inverted)])
def close(self) -> None:
if self.__chip:
try:
self.__chip.close()
except Exception:
pass
def switch_to_local(self) -> None:
assert self.__target_line
self.__target_line.set_value(0)
def switch_to_server(self) -> None:
assert self.__target_line
self.__target_line.set_value(1)
async def reset(self) -> None:
assert self.__reset_line
await aiogp.pulse(self.__reset_line, self.__reset_delay, 0, self.__reset_inverted)

1
setup.py
View File

@ -87,7 +87,6 @@ def main() -> None:
"kvmd.plugins.hid.bt",
"kvmd.plugins.atx",
"kvmd.plugins.msd",
"kvmd.plugins.msd.relay",
"kvmd.plugins.msd.otg",
"kvmd.plugins.ugpio",
"kvmd.clients",

2
testenv/linters/vulture-wl.py
View File

@ -22,6 +22,8 @@ SpiDev.no_cs
SpiDev.cshigh
SpiDev.max_speed_hz
_DriveImage.complete
_AtxApiPart.switch_power
_UsbKey.arduino_modifier_code

24
web/kvm/index.html
View File

@ -453,21 +453,7 @@
</div>
<hr>
</div>
<table class="kv msd-single-storage feature-disabled">
<tr>
<td>Current image:</td>
<td class="value" id="msd-image-name"></td>
</tr>
<tr>
<td>Image size:</td>
<td class="value" id="msd-image-size"></td>
</tr>
<tr>
<td>Storage size:</td>
<td class="value" id="msd-storage-size"></td>
</tr>
</table>
<table class="kv msd-multi-storage feature-disabled">
<table class="kv">
<tr>
<td>Image:</td>
<td width="100%">
@ -502,11 +488,9 @@
</td>
</tr>
</table>
<div class="msd-multi-storage feature-disabled">
<hr>
<div class="text">
<div class="progress" id="msd-storage-progress"><span class="progress-value" id="msd-storage-progress-value"></span></div>
</div>
<hr>
<div class="text">
<div class="progress" id="msd-storage-progress"><span class="progress-value" id="msd-storage-progress-value"></span></div>
</div>
<hr>
<div class="buttons buttons-row">

21
web/kvm/navbar-msd.pug
View File

@ -33,17 +33,7 @@ li(id="msd-dropdown" class="right feature-disabled")
+menu_message("info", "The image is being downloaded from PiKVM")
| Please wait
hr
table(class="kv msd-single-storage feature-disabled")
tr
td Current image:
td(id="msd-image-name" class="value")
tr
td Image size:
td(id="msd-image-size" class="value")
tr
td Storage size:
td(id="msd-storage-size" class="value")
table(class="kv msd-multi-storage feature-disabled")
table(class="kv")
tr
td Image:
td(width="100%") #[select(disabled id="msd-image-selector")]
@ -60,11 +50,10 @@ li(id="msd-dropdown" class="right feature-disabled")
label(for="msd-mode-radio-flash") Flash
td &nbsp;
+menu_switch_notable("msd-rw-switch", "Writable", false, false, "msd-rw feature-disabled")
div(class="msd-multi-storage feature-disabled")
hr
div(class="text")
div(id="msd-storage-progress" class="progress")
span(id="msd-storage-progress-value" class="progress-value")
hr
div(class="text")
div(id="msd-storage-progress" class="progress")
span(id="msd-storage-progress-value" class="progress-value")
hr
div(class="buttons buttons-row")
button(disabled id="msd-select-new-button" class="row50") Select image to upload

29
web/share/js/kvm/msd.js
View File

@ -236,23 +236,20 @@ export function Msd() {
let s = __state;
let online = (s && s.online);
$("msd-image-name").innerHTML = ((online && s.drive.image) ? s.drive.image.name : "None");
$("msd-image-size").innerHTML = ((online && s.drive.image) ? tools.formatSize(s.drive.image.size) : "None");
if (online) {
let size_str = tools.formatSize(s.storage.size);
let used = s.storage.size - s.storage.free;
let used_str = tools.formatSize(used);
$("msd-storage-size").innerHTML = size_str;
tools.progress.setValue($("msd-storage-progress"), `Storage: ${used_str} of ${size_str}`, used / s.storage.size * 100);
let percent = used / s.storage.size * 100;
tools.progress.setValue($("msd-storage-progress"), `Storage: ${used_str} of ${size_str}`, percent);
} else {
$("msd-storage-size").innerHTML = "Unavailable";
tools.progress.setValue($("msd-storage-progress"), "Storage: unavailable", 0);
}
tools.el.setEnabled($("msd-image-selector"), (online && s.features.multi && !s.drive.connected && !s.busy));
tools.el.setEnabled($("msd-image-selector"), (online && !s.drive.connected && !s.busy));
__applyStateImageSelector();
tools.el.setEnabled($("msd-download-button"), (online && s.features.multi && s.drive.image && !s.drive.connected && !s.busy));
tools.el.setEnabled($("msd-remove-button"), (online && s.features.multi && s.drive.image && !s.drive.connected && !s.busy));
tools.el.setEnabled($("msd-download-button"), (online && s.drive.image && !s.drive.connected && !s.busy));
tools.el.setEnabled($("msd-remove-button"), (online && s.drive.image && !s.drive.connected && !s.busy));
tools.radio.setEnabled("msd-mode-radio", (online && s.features.cdrom && !s.drive.connected && !s.busy));
tools.radio.setValue("msd-mode-radio", `${Number(online && s.features.cdrom && s.drive.cdrom)}`);
@ -260,7 +257,7 @@ export function Msd() {
tools.el.setEnabled($("msd-rw-switch"), (online && s.features.rw && !s.drive.connected && !s.busy));
$("msd-rw-switch").checked = (online && s.features.rw && s.drive.rw);
tools.el.setEnabled($("msd-connect-button"), (online && (!s.features.multi || s.drive.image) && !s.drive.connected && !s.busy));
tools.el.setEnabled($("msd-connect-button"), (online && s.drive.image && !s.drive.connected && !s.busy));
tools.el.setEnabled($("msd-disconnect-button"), (online && s.drive.connected && !s.busy));
tools.el.setEnabled($("msd-select-new-button"), (online && !s.drive.connected && !__http && !s.busy));
@ -297,12 +294,6 @@ export function Msd() {
if (s) {
tools.feature.setEnabled($("msd-dropdown"), s.enabled);
tools.feature.setEnabled($("msd-reset-button"), s.enabled);
for (let el of $$$(".msd-single-storage")) {
tools.feature.setEnabled(el, !s.features.multi);
}
for (let el of $$$(".msd-multi-storage")) {
tools.feature.setEnabled(el, s.features.multi);
}
for (let el of $$$(".msd-cdrom-emulation")) {
tools.feature.setEnabled(el, s.features.cdrom);
}
@ -317,13 +308,13 @@ export function Msd() {
tools.hidden.setVisible($("msd-message-too-big-for-cdrom"),
(online && s.features.cdrom && s.drive.cdrom && s.drive.image && s.drive.image.size >= 2359296000));
tools.hidden.setVisible($("msd-message-out-of-storage"),
(online && s.features.multi && s.drive.image && !s.drive.image.in_storage));
(online && s.drive.image && !s.drive.image.in_storage));
tools.hidden.setVisible($("msd-message-rw-enabled"),
(online && s.features.rw && s.drive.rw));
tools.hidden.setVisible($("msd-message-another-user-uploads"),
(online && s.storage.uploading && !__http));
tools.hidden.setVisible($("msd-message-downloads"),
(online && s.features.multi && s.storage.downloading));
(online && s.storage.downloading));
};
var __applyStateStatus = function() {
@ -339,7 +330,7 @@ export function Msd() {
} else if (online && s.storage.uploading) {
led_cls = "led-yellow-rotating-fast";
msg = "Uploading new image";
} else if (online && s.features.multi && s.storage.downloading) {
} else if (online && s.storage.downloading) {
led_cls = "led-yellow-rotating-fast";
msg = "Serving the image to download";
} else if (online) { // Sic!
@ -359,7 +350,7 @@ export function Msd() {
el.options.length = 1; // Cleanup
return;
}
if (!s.features.multi || s.storage.uploading || s.storage.downloading) {
if (s.storage.uploading || s.storage.downloading) {
return;
}