platform_system_core/logcat/logpersist

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#! /system/bin/sh
# logpersist cat start and stop handlers
progname="${0##*/}"
case `getprop ro.build.type` in
userdebug|eng) ;;
*) echo "${progname} - Permission denied"
exit 1
;;
esac
data=/data/misc/logd
property=persist.logd.logpersistd
service=logcatd
if [ X"${1}" = "-h" -o X"${1}" = X"--help" ]; then
echo "${progname%.*}.cat - dump current ${service%d} logs"
echo "${progname%.*}.start - start ${service} service"
echo "${progname%.*}.stop [--clear] - stop ${service} service"
exit 0
fi
case ${progname} in
*.cat)
su 1036 ls "${data}" |
tr -d '\r' |
sort -ru |
sed "s#^#${data}/#" |
su 1036 xargs cat
;;
*.start)
su 0 setprop ${property} ${service}
getprop ${property}
sleep 1
ps -t | grep "${data##*/}.*${service%d}"
;;
*.stop)
su 0 stop ${service}
su 0 setprop ${property} ""
[ X"${1}" != X"-c" -a X"${1}" != X"--clear" ] ||
( sleep 1 ; su 1036,9998 rm -rf "${data}" )
;;
*)
echo "Unexpected command ${0##*/} ${@}" >&2
exit 1
esac