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OTA: Handle tar checkpointing visual feedback w/ an FBInk daemon (#7588)

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Instead of forking it on every checkpoint.

Won't change much in the grand scheme of things, but FIFOs are fun.
This commit is contained in:
NiLuJe
2021-04-25 01:15:38 +02:00
committed by GitHub
parent b0336e9982
commit e0a67bb656
7 changed files with 46 additions and 16 deletions
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2
frontend/device/kindle/powerd.lua
View File

@@ -94,7 +94,7 @@ function KindlePowerD:setIntensityHW(intensity)
-- NOTE: when intensity is 0, we want to *really* kill the light, so do it manually
-- (asking lipc to set it to 0 would in fact set it to > 0 on ! canTurnFrontlightOff Kindles).
-- We do *both* to make the fl restore on resume less jarring on devices where lipc 0 != off.
os.execute("echo -n ".. intensity .." > " .. self.fl_intensity_file)
os.execute("printf '%s' ".. intensity .." > " .. self.fl_intensity_file)
end
end

12
platform/cervantes/koreader.sh
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@@ -14,14 +14,19 @@ ko_update_check() {
INSTALLED="${KOREADER_DIR}/ota/koreader.installed.tar"
if [ -f "${NEWUPDATE}" ]; then
./fbink -q -y -7 -pmh "Updating KOReader"
# Setup the FBInk daemon
export FBINK_NAMED_PIPE="/tmp/koreader.fbink"
rm -f "${FBINK_NAMED_PIPE}"
FBINK_PID="$(./fbink --daemon 1 %KOREADER% -q -y -6 -P 0)"
# NOTE: See frontend/ui/otamanager.lua for a few more details on how we squeeze a percentage out of tar's checkpoint feature
# NOTE: %B should always be 512 in our case, so let stat do part of the maths for us instead of using %s ;).
FILESIZE="$(stat -c %b "${NEWUPDATE}")"
BLOCKS="$((FILESIZE / 20))"
export CPOINTS="$((BLOCKS / 100))"
# shellcheck disable=SC2016
./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='./fbink -q -y -6 -P $(($TAR_CHECKPOINT/$CPOINTS))'
./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='printf "%s" $((TAR_CHECKPOINT / CPOINTS)) > ${FBINK_NAMED_PIPE}'
fail=$?
kill -TERM "${FBINK_PID}"
# Cleanup behind us...
if [ "${fail}" -eq 0 ]; then
mv "${NEWUPDATE}" "${INSTALLED}"
@@ -32,8 +37,9 @@ ko_update_check() {
./fbink -q -y -6 -pmh "Update failed :("
./fbink -q -y -5 -pm "KOReader may fail to function properly!"
fi
rm -f "${NEWUPDATE}" # always purge newupdate in all cases to prevent update loop
unset BLOCKS CPOINTS
rm -f "${NEWUPDATE}" # always purge newupdate to prevent update loops
unset CPOINTS FBINK_NAMED_PIPE
unset BLOCKS FILESIZE FBINK_PID
# Ensure everything is flushed to disk before we restart. This *will* stall for a while on slow storage!
sync
fi

12
platform/kindle/koreader.sh
View File

@@ -121,6 +121,10 @@ ko_update_check() {
logmsg "Updating KOReader . . ."
# Let our checkpoint script handle the detailed visual feedback...
eips_print_bottom_centered "Updating KOReader" 3
# Setup the FBInk daemon
export FBINK_NAMED_PIPE="/tmp/koreader.fbink"
rm -f "${FBINK_NAMED_PIPE}"
FBINK_PID="$(/var/tmp/fbink --daemon 1 %KOREADER% -q -y -6 -P 0)"
# NOTE: See frontend/ui/otamanager.lua for a few more details on how we squeeze a percentage out of tar's checkpoint feature
# NOTE: %B should always be 512 in our case, so let stat do part of the maths for us instead of using %s ;).
FILESIZE="$(stat -c %b "${NEWUPDATE}")"
@@ -132,8 +136,9 @@ ko_update_check() {
# which we cannot use because it's been mounted noexec for a few years now...
cp -pf "${KOREADER_DIR}/tar" /var/tmp/gnutar
# shellcheck disable=SC2016
/var/tmp/gnutar --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='/var/tmp/fbink -q -y -6 -P $(($TAR_CHECKPOINT/$CPOINTS))' -C "/mnt/us" -xf "${NEWUPDATE}"
/var/tmp/gnutar --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='printf "%s" $((TAR_CHECKPOINT / CPOINTS)) > ${FBINK_NAMED_PIPE}' -C "/mnt/us" -xf "${NEWUPDATE}"
fail=$?
kill -TERM "${FBINK_PID}"
# And remove our temporary tar binary...
rm -f /var/tmp/gnutar
# Cleanup behind us...
@@ -153,8 +158,9 @@ ko_update_check() {
eips_print_bottom_centered "Update failed :(" 2
eips_print_bottom_centered "KOReader may fail to function properly" 1
fi
rm -f "${NEWUPDATE}" # always purge newupdate in all cases to prevent update loop
unset BLOCKS CPOINTS
rm -f "${NEWUPDATE}" # always purge newupdate to prevent update loops
unset CPOINTS FBINK_NAMED_PIPE
unset BLOCKS FILESIZE FBINK_PID
# Ensure everything is flushed to disk before we restart. This *will* stall for a while on slow storage!
sync
fi

12
platform/kobo/koreader.sh
View File

@@ -87,14 +87,19 @@ ko_update_check() {
INSTALLED="${KOREADER_DIR}/ota/koreader.installed.tar"
if [ -f "${NEWUPDATE}" ]; then
./fbink -q -y -7 -pmh "Updating KOReader"
# Setup the FBInk daemon
export FBINK_NAMED_PIPE="/tmp/koreader.fbink"
rm -f "${FBINK_NAMED_PIPE}"
FBINK_PID="$(./fbink --daemon 1 %KOREADER% -q -y -6 -P 0)"
# NOTE: See frontend/ui/otamanager.lua for a few more details on how we squeeze a percentage out of tar's checkpoint feature
# NOTE: %B should always be 512 in our case, so let stat do part of the maths for us instead of using %s ;).
FILESIZE="$(stat -c %b "${NEWUPDATE}")"
BLOCKS="$((FILESIZE / 20))"
export CPOINTS="$((BLOCKS / 100))"
# shellcheck disable=SC2016
./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='./fbink -q -y -6 -P $(($TAR_CHECKPOINT/$CPOINTS))'
./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='printf "%s" $((TAR_CHECKPOINT / CPOINTS)) > ${FBINK_NAMED_PIPE}'
fail=$?
kill -TERM "${FBINK_PID}"
# Cleanup behind us...
if [ "${fail}" -eq 0 ]; then
mv "${NEWUPDATE}" "${INSTALLED}"
@@ -110,8 +115,9 @@ ko_update_check() {
./fbink -q -y -6 -pmh "Update failed :("
./fbink -q -y -5 -pm "KOReader may fail to function properly!"
fi
rm -f "${NEWUPDATE}" # always purge newupdate in all cases to prevent update loop
unset BLOCKS CPOINTS
rm -f "${NEWUPDATE}" # always purge newupdate to prevent update loops
unset CPOINTS FBINK_NAMED_PIPE
unset BLOCKS FILESIZE FBINK_PID
# Ensure everything is flushed to disk before we restart. This *will* stall for a while on slow storage!
sync
fi

10
platform/pocketbook/koreader.app
View File

@@ -26,6 +26,10 @@ ko_update_check() {
INSTALLED="${KOREADER_DIR}/ota/koreader.installed.tar"
if [ -f "${NEWUPDATE}" ]; then
"${KOREADER_DIR}/fbink" -q -y -7 -pmh "Updating KOReader"
# Setup the FBInk daemon
export FBINK_NAMED_PIPE="/tmp/.koreader.fbink"
rm -f "${FBINK_NAMED_PIPE}"
FBINK_PID="$("${KOREADER_DIR}/fbink" --daemon 1 %KOREADER% -q -y -6 -P 0)"
# NOTE: See frontend/ui/otamanager.lua for a few more details on how we squeeze a percentage out of tar's checkpoint feature
# NOTE: %B should always be 512 in our case, so let stat do part of the maths for us instead of using %s ;).
FILESIZE="$(stat -c %b "${NEWUPDATE}")"
@@ -35,8 +39,9 @@ ko_update_check() {
# c.f., https://github.com/koreader/koreader/issues/7581
KO_PB_TARLOG="/tmp/.koreader.tar"
# shellcheck disable=SC2016
"${KOREADER_DIR}/tar" --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='${KOREADER_DIR}/fbink -q -y -6 -P $(($TAR_CHECKPOINT/$CPOINTS))' -C "/mnt/ext1" -xf "${NEWUPDATE}" 2>"${KO_PB_TARLOG}"
"${KOREADER_DIR}/tar" --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='printf "%s" $((TAR_CHECKPOINT / CPOINTS)) > ${FBINK_NAMED_PIPE}' -C "/mnt/ext1" -xf "${NEWUPDATE}" 2>"${KO_PB_TARLOG}"
fail=$?
kill -TERM "${FBINK_PID}"
# As mentioned above, filter out potential chmod & utime failures...
if [ "${fail}" -ne 0 ]; then
if [ "$(grep -Evc '(Cannot utime|Cannot change mode|Exiting with failure status due to previous errors)' "${KO_PB_TARLOG}")" -eq "0" ]; then
@@ -56,7 +61,8 @@ ko_update_check() {
"${KOREADER_DIR}/fbink" -q -y -5 -pm "KOReader may fail to function properly!"
fi
rm -f "${NEWUPDATE}" # always purge newupdate to prevent update loops
unset BLOCKS CPOINTS
unset CPOINTS FBINK_NAMED_PIPE
unset BLOCKS FILESIZE FBINK_PID
# Ensure everything is flushed to disk before we restart. This *will* stall for a while on slow storage!
sync
fi

12
platform/remarkable/koreader.sh
View File

@@ -30,14 +30,19 @@ ko_update_check() {
fi
./fbink -q -y -7 -pmh "Updating KOReader"
# Setup the FBInk daemon
export FBINK_NAMED_PIPE="/tmp/koreader.fbink"
rm -f "${FBINK_NAMED_PIPE}"
FBINK_PID="$(./fbink --daemon 1 %KOREADER% -q -y -6 -P 0)"
# NOTE: See frontend/ui/otamanager.lua for a few more details on how we squeeze a percentage out of tar's checkpoint feature
# NOTE: %B should always be 512 in our case, so let stat do part of the maths for us instead of using %s ;).
FILESIZE="$(stat -c %b "${NEWUPDATE}")"
BLOCKS="$((FILESIZE / 20))"
export CPOINTS="$((BLOCKS / 100))"
# shellcheck disable=SC2016
./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='./fbink -q -y -6 -P $(($TAR_CHECKPOINT/$CPOINTS))'
./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='printf "%s" $((TAR_CHECKPOINT / CPOINTS)) > ${FBINK_NAMED_PIPE}'
fail=$?
kill -TERM "${FBINK_PID}"
# Cleanup behind us...
if [ "${fail}" -eq 0 ]; then
mv "${NEWUPDATE}" "${INSTALLED}"
@@ -48,8 +53,9 @@ ko_update_check() {
./fbink -q -y -6 -pmh "Update failed :("
./fbink -q -y -5 -pm "KOReader may fail to function properly!"
fi
rm -f "${NEWUPDATE}" # always purge newupdate in all cases to prevent update loop
unset BLOCKS CPOINTS
rm -f "${NEWUPDATE}" # always purge newupdate to prevent update loops
unset CPOINTS FBINK_NAMED_PIPE
unset BLOCKS FILESIZE FBINK_PID
# Ensure everything is flushed to disk before we restart. This *will* stall for a while on slow storage!
busybox sync

2
spec/unit/device_spec.lua
View File

@@ -242,7 +242,7 @@ describe("device module", function()
kindle_dev.powerd:toggleFrontlight()
assert.stub(os.execute).was_called_with(
"echo -n 0 > /sys/class/backlight/max77696-bl/brightness")
"printf '%s' 0 > /sys/class/backlight/max77696-bl/brightness")
-- Here be shenanigans: we don't override powerd's fl_intensity when we turn the light off,
-- so that we can properly turn it back on at the previous intensity ;)
assert.is.same(kindle_dev.powerd.fl_intensity, 5)