diff options
Diffstat (limited to 'logcat/logpersist')
| -rwxr-xr-x | logcat/logpersist | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/logcat/logpersist b/logcat/logpersist new file mode 100755 index 000000000..05b46f047 --- /dev/null +++ b/logcat/logpersist @@ -0,0 +1,178 @@ +#! /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 |