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#!/bin/sh
# Longrun setup in response to apm events
#
# Do not make changes to this file, use /etc/default/longrun to tune
# this script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
LONGRUN_BIN=/usr/bin/longrun
DEFAULTS=/etc/default/longrun
# Default values - overiden by /etc/default/longrun
LONGRUN_ENABLE="0"
PERFORMANCE="0 100"
ECONOMY="0 70"
LOW_BATTERY="0 0"
BATTERY_THRESHOLD="10"
DEBUG="0"
# longrun settings update function
set_longrun () {
[ "$DEBUG" -eq 1 ] && logger -t longrun "$1; perf. window: $2; flag: $3"
"$LONGRUN_BIN" -s $2
"$LONGRUN_BIN" -f $3
}
# Is APM available
apm_available || exit 0
# Source the default values
if [ -e "$DEFAULTS" ]; then
. "$DEFAULTS"
fi
# Should we go on?
[ "$LONGRUN_ENABLE" = "1" ] || exit 0
# Check the APM kernel driver version, to see if we
# understand the content of /proc/apm. Then, get the
# remaining battery charge from /proc/apm.
# See /usr/src/linux/arch/i386/kernel/apm.c
APM_VERSION=`cat /proc/apm | cut -d " " -f 1`
if [ "$APM_VERSION" = "1.16" ] ; then
REMAINING_POWER=`cat /proc/apm | cut -d " " -f 7 | tr -d "%"`
else
REMAINING_POWER=-1
fi
# Is longrun available
[ -x "$LONGRUN_BIN" ] || exit 0
# Act depending on the APM event
case "$1,$2" in
change,power|resume,*|start,*)
if `on_ac_power` ; then
set_longrun "on ac" "$PERFORMANCE" "performance"
elif [ "$REMAINING_POWER" -eq -1 -o \
"$REMAINING_POWER" -gt "$BATTERY_THRESHOLD" ] ; then
set_longrun "on battery" "$ECONOMY" "economy"
else
set_longrun "on battery" "$LOW_BATTERY" "economy"
fi
;;
change,battery)
if `on_ac_power` ; then
set_longrun "on ac" "$PERFORMANCE" "performance"
elif [ "$REMAINING_POWER" -gt "$BATTERY_THRESHOLD" ] ; then
set_longrun "on battery" "$ECONOMY" "economy"
else
set_longrun "on battery" "$LOW_BATTERY" "economy"
fi
;;
esac
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