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|
#! /system/bin/sh
# logpersist cat, start and stop handlers
progname="${0##*/}"
case `getprop ro.debuggable` in
1) ;;
*) echo "${progname} - Permission denied"
exit 1
;;
esac
property=persist.logd.logpersistd
case `getprop ${property#persist.}.enable` in
true) ;;
*) echo "${progname} - Disabled"
exit 1
;;
esac
log_uid=logd
log_tag_property=persist.log.tag
data=/data/misc/logd/logcat
service=logcatd
size_default=256
buffer_default=all
args="${@}"
size=${size_default}
buffer=${buffer_default}
clear=false
while [ ${#} -gt 0 ]; do
case ${1} in
-c|--clear) clear=true ;;
--size=*) size="${1#--size=}" ;;
--rotate-count=*) size="${1#--rotate-count=}" ;;
-n|--size|--rotate-count) size="${2}" ; shift ;;
--buffer=*) buffer="${1#--buffer=}" ;;
-b|--buffer) buffer="${2}" ; shift ;;
-h|--help|*)
LEAD_SPACE_="`echo ${progname%.*} | tr '[ -~]' ' '`"
echo "${progname%.*}.cat - dump current ${service} logs"
echo "${progname%.*}.start [--size=<size_in_kb>] [--buffer=<buffers>] [--clear]"
echo "${LEAD_SPACE_} - start ${service} service"
echo "${progname%.*}.stop [--clear] - stop ${service} service"
case ${1} in
-h|--help) exit 0 ;;
*) echo ERROR: bad argument ${@} >&2 ; exit 1 ;;
esac
;;
esac
shift
done
if [ -z "${size}" -o "${size_default}" = "${size}" ]; then
unset size
fi
if [ -n "${size}" ] &&
! ( [ 0 -lt "${size}" ] && [ 2048 -ge "${size}" ] ) >/dev/null 2>&1; then
echo ERROR: Invalid --size ${size} >&2
exit 1
fi
if [ -z "${buffer}" -o "${buffer_default}" = "${buffer}" ]; then
unset buffer
fi
if [ -n "${buffer}" ] && ! logcat -b ${buffer} -g >/dev/null 2>&1; then
echo ERROR: Invalid --buffer ${buffer} >&2
exit 1
fi
log_tag="`getprop ${log_tag_property}`"
logd_logpersistd="`getprop ${property}`"
case ${progname} in
*.cat)
if [ -n "${size}${buffer}" -o "true" = "${clear}" ]; then
echo WARNING: Can not use --clear, --size or --buffer with ${progname%.*}.cat >&2
fi
su ${log_uid} ls "${data%/*}" |
tr -d '\r' |
sort -ru |
sed "s#^#${data%/*}/#" |
grep "${data}[.]*[0-9]*\$" |
su ${log_uid} xargs cat
;;
*.start)
current_buffer="`getprop ${property#persist.}.buffer`"
current_size="`getprop ${property#persist.}.size`"
if [ "${service}" = "`getprop ${property#persist.}`" ]; then
if [ "true" = "${clear}" ]; then
setprop ${property#persist.} "clear"
elif [ "${buffer}|${size}" != "${current_buffer}|${current_size}" ]; then
echo "ERROR: Changing existing collection parameters from" >&2
if [ "${buffer}" != "${current_buffer}" ]; then
a=${current_buffer}
b=${buffer}
if [ -z "${a}" ]; then a="${default_buffer}"; fi
if [ -z "${b}" ]; then b="${default_buffer}"; fi
echo " --buffer ${a} to ${b}" >&2
fi
if [ "${size}" != "${current_size}" ]; then
a=${current_size}
b=${size}
if [ -z "${a}" ]; then a="${default_size}"; fi
if [ -z "${b}" ]; then b="${default_size}"; fi
echo " --size ${a} to ${b}" >&2
fi
echo " Are you sure you want to do this?" >&2
echo " Suggest add --clear to erase data and restart with new settings." >&2
echo " To blindly override and retain data, ${progname%.*}.stop first." >&2
exit 1
fi
elif [ "true" = "${clear}" ]; then
setprop ${property#persist.} "clear"
fi
if [ -n "${buffer}${current_buffer}" ]; then
setprop ${property}.buffer "${buffer}"
if [ -z "${buffer}" ]; then
# deal with trampoline for empty properties
setprop ${property#persist.}.buffer ""
fi
fi
if [ -n "${size}${current_size}" ]; then
setprop ${property}.size "${size}"
if [ -z "${size}" ]; then
# deal with trampoline for empty properties
setprop ${property#persist.}.size ""
fi
fi
while [ "clear" = "`getprop ${property#persist.}`" ]; do
continue
done
# Tell Settings that we are back on again if we turned logging off
tag="${log_tag#Settings}"
if [ X"${log_tag}" != X"${tag}" ]; then
echo "WARNING: enabling logd service" >&2
setprop ${log_tag_property} "${tag#,}"
fi
# ${service}.rc does the heavy lifting with the following trigger
setprop ${property} ${service}
# 20ms done, to permit process feedback check
sleep 1
getprop ${property#persist.}
# also generate an error return code if not found running
pgrep -u ${log_uid} ${service%d}
;;
*.stop)
if [ -n "${size}${buffer}" ]; then
echo "WARNING: Can not use --size or --buffer with ${progname%.*}.stop" >&2
fi
if [ "true" = "${clear}" ]; then
setprop ${property#persist.} "clear"
else
setprop ${property#persist.} "stop"
fi
if [ -n "`getprop ${property#persist.}.buffer`" ]; then
setprop ${property}.buffer ""
# deal with trampoline for empty properties
setprop ${property#persist.}.buffer ""
fi
if [ -n "`getprop ${property#persist.}.size`" ]; then
setprop ${property}.size ""
# deal with trampoline for empty properties
setprop ${property#persist.}.size ""
fi
while [ "clear" = "`getprop ${property#persist.}`" ]; do
continue
done
;;
*)
echo "ERROR: Unexpected command ${0##*/} ${args}" >&2
exit 1
esac
if [ X"${log_tag}" != X"`getprop ${log_tag_property}`" ] ||
[ X"${logd_logpersistd}" != X"`getprop ${property}`" ]; then
echo "WARNING: killing Settings application to pull in new values" >&2
am force-stop com.android.settings
fi
|
