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koreader/platform/kobo/nickel.sh
NiLuJe ba927fe4b5
Don't grab input devices on Kobo (#6705)
* Don't grab input devices on Kobo

(... as long as we're started via KFMon/NM.
... and MiniClock is not running ^^).

* Bump base

(https://github.com/koreader/koreader-base/pull/1197)
(https://github.com/koreader/koreader-base/pull/1199)
2020-09-24 05:05:59 +02:00

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#!/bin/sh
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/lib:"
# We don't need to duplicate any of the env setup from rcS, since we will only ever run this to *restart* nickel, and not bootstrap it.
# Meaning we've already got most of the necessary env from nickel itself via both our launcher (fmon/KFMon) and our own startup script.
# NOTE: LD_LIBRARY_PATH is the only late export from rcS we don't siphon in koreader.sh, for obvious reasons ;).
export LD_LIBRARY_PATH="/usr/local/Kobo"
# Reset PWD, and clear up our own custom stuff from the env while we're there, otherwise, USBMS may become very wonky on newer FW...
# shellcheck disable=SC2164
cd /
unset OLDPWD
unset LC_ALL TESSDATA_PREFIX STARDICT_DATA_DIR EXT_FONT_DIR
unset KOREADER_DIR KO_NO_CBB KO_DONT_GRAB_INPUT
# Ensures fmon will restart. Note that we don't have to worry about reaping this, nickel kills on-animator.sh on start.
(
if [ "${PLATFORM}" = "freescale" ] || [ "${PLATFORM}" = "mx50-ntx" ] || [ "${PLATFORM}" = "mx6sl-ntx" ]; then
usleep 400000
fi
/etc/init.d/on-animator.sh
) &
# Make sure we kill the Wi-Fi first, because nickel apparently doesn't like it if it's up... (cf. #1520)
# NOTE: That check is possibly wrong on PLATFORM == freescale (because I don't know if the sdio_wifi_pwr module exists there), but we don't terribly care about that.
if lsmod | grep -q sdio_wifi_pwr; then
killall -q -TERM restore-wifi-async.sh enable-wifi.sh obtain-ip.sh
cp -a "/etc/resolv.conf" "/tmp/resolv.ko"
old_hash="$(md5sum "/etc/resolv.conf" | cut -f1 -d' ')"
if [ -x "/sbin/dhcpcd" ]; then
env -u LD_LIBRARY_PATH dhcpcd -d -k "${INTERFACE}"
killall -q -TERM udhcpc default.script
else
killall -q -TERM udhcpc default.script dhcpcd
fi
# NOTE: dhcpcd -k waits for the signalled process to die, but busybox's killall doesn't have a -w, --wait flag,
# so we have to wait for udhcpc to die ourselves...
# NOTE: But if all is well, there *isn't* any udhcpc process or script left to begin with...
kill_timeout=0
while pkill -0 udhcpc; do
# Stop waiting after 5s
if [ ${kill_timeout} -ge 20 ]; then
break
fi
usleep 250000
kill_timeout=$((kill_timeout + 1))
done
new_hash="$(md5sum "/etc/resolv.conf" | cut -f1 -d' ')"
# Restore our network-specific resolv.conf if the DHCP client wiped it when releasing the lease...
if [ "${new_hash}" != "${old_hash}" ]; then
mv -f "/tmp/resolv.ko" "/etc/resolv.conf"
else
rm -f "/tmp/resolv.ko"
fi
wpa_cli terminate
[ "${WIFI_MODULE}" != "8189fs" ] && [ "${WIFI_MODULE}" != "8192es" ] && wlarm_le -i "${INTERFACE}" down
ifconfig "${INTERFACE}" down
# NOTE: Kobo's busybox build is weird. rmmod appears to be modprobe in disguise, defaulting to the -r flag...
# But since there's currently no modules.dep file being shipped, nor do they include the depmod applet,
# go with what the FW is doing, which is rmmod.
# c.f., #2394?
usleep 250000
rmmod "${WIFI_MODULE}"
usleep 250000
rmmod sdio_wifi_pwr
fi
# Recreate Nickel's FIFO ourselves, otherwise, udev may attempt to write to it before Nickel creates it,
# and Nickel doesn't handle that well (i.e., it doesn't unlink first, the FIFO isn't created, it's now a regular file, hilarity ensues).
# Plus, we actually *do* want the stuff udev writes in there to be processed by Nickel, anyway.
rm -f "/tmp/nickel-hardware-status"
mkfifo "/tmp/nickel-hardware-status"
# Flush buffers to disk, who knows.
sync
# And finally, simply restart nickel.
# We don't care about horribly legacy stuff, because if people switch between nickel and KOReader in the first place, I assume they're using a decently recent enough FW version.
# Last tested on an H2O & a Forma running FW 4.7.x - 4.23.x
/usr/local/Kobo/hindenburg &
LIBC_FATAL_STDERR_=1 /usr/local/Kobo/nickel -platform kobo -skipFontLoad &
[ "${PLATFORM}" != "freescale" ] && udevadm trigger &
return 0