1#! /system/bin/sh 2# logpersist cat, start and stop handlers 3progname="${0##*/}" 4 5property=persist.logd.logpersistd 6 7case `getprop ${property#persist.}.enable` in 8true) ;; 9*) echo "${progname} - Disabled" 10 exit 1 11 ;; 12esac 13 14log_uid=logd 15log_tag_property=persist.log.tag 16data=/data/misc/logd/logcat 17service=logcatd 18size_default=256 19buffer_default=all 20args="${@}" 21 22size=${size_default} 23buffer=${buffer_default} 24clear=false 25while [ ${#} -gt 0 ]; do 26 case ${1} in 27 -c|--clear) clear=true ;; 28 --size=*) size="${1#--size=}" ;; 29 --rotate-count=*) size="${1#--rotate-count=}" ;; 30 -n|--size|--rotate-count) size="${2}" ; shift ;; 31 --buffer=*) buffer="${1#--buffer=}" ;; 32 -b|--buffer) buffer="${2}" ; shift ;; 33 -h|--help|*) 34 LEAD_SPACE_="`echo ${progname%.*} | tr '[ -~]' ' '`" 35 echo "${progname%.*}.cat - dump current ${service} logs" 36 echo "${progname%.*}.start [--size=<size_in_kb>] [--buffer=<buffers>] [--clear]" 37 echo "${LEAD_SPACE_} - start ${service} service" 38 echo "${progname%.*}.stop [--clear] - stop ${service} service" 39 case ${1} in 40 -h|--help) exit 0 ;; 41 *) echo ERROR: bad argument ${@} >&2 ; exit 1 ;; 42 esac 43 ;; 44 esac 45 shift 46done 47 48if [ -z "${size}" -o "${size_default}" = "${size}" ]; then 49 unset size 50fi 51if [ -n "${size}" ] && 52 ! ( [ 0 -lt "${size}" ] && [ 2048 -ge "${size}" ] ) >/dev/null 2>&1; then 53 echo ERROR: Invalid --size ${size} >&2 54 exit 1 55fi 56if [ -z "${buffer}" -o "${buffer_default}" = "${buffer}" ]; then 57 unset buffer 58fi 59if [ -n "${buffer}" ] && ! logcat -b ${buffer} -g >/dev/null 2>&1; then 60 echo ERROR: Invalid --buffer ${buffer} >&2 61 exit 1 62fi 63 64log_tag="`getprop ${log_tag_property}`" 65logd_logpersistd="`getprop ${property}`" 66 67case ${progname} in 68*.cat) 69 if [ -n "${size}${buffer}" -o "true" = "${clear}" ]; then 70 echo WARNING: Can not use --clear, --size or --buffer with ${progname%.*}.cat >&2 71 fi 72 su ${log_uid} ls "${data%/*}" | 73 tr -d '\r' | 74 sort -ru | 75 sed "s#^#${data%/*}/#" | 76 grep "${data}[.]*[0-9]*\$" | 77 su ${log_uid} xargs cat 78 ;; 79*.start) 80 current_buffer="`getprop ${property#persist.}.buffer`" 81 current_size="`getprop ${property#persist.}.size`" 82 if [ "${service}" = "`getprop ${property#persist.}`" ]; then 83 if [ "true" = "${clear}" ]; then 84 setprop ${property#persist.} "clear" 85 elif [ "${buffer}|${size}" != "${current_buffer}|${current_size}" ]; then 86 echo "ERROR: Changing existing collection parameters from" >&2 87 if [ "${buffer}" != "${current_buffer}" ]; then 88 a=${current_buffer} 89 b=${buffer} 90 if [ -z "${a}" ]; then a="${default_buffer}"; fi 91 if [ -z "${b}" ]; then b="${default_buffer}"; fi 92 echo " --buffer ${a} to ${b}" >&2 93 fi 94 if [ "${size}" != "${current_size}" ]; then 95 a=${current_size} 96 b=${size} 97 if [ -z "${a}" ]; then a="${default_size}"; fi 98 if [ -z "${b}" ]; then b="${default_size}"; fi 99 echo " --size ${a} to ${b}" >&2 100 fi 101 echo " Are you sure you want to do this?" >&2 102 echo " Suggest add --clear to erase data and restart with new settings." >&2 103 echo " To blindly override and retain data, ${progname%.*}.stop first." >&2 104 exit 1 105 fi 106 elif [ "true" = "${clear}" ]; then 107 setprop ${property#persist.} "clear" 108 fi 109 if [ -n "${buffer}${current_buffer}" ]; then 110 setprop ${property}.buffer "${buffer}" 111 if [ -z "${buffer}" ]; then 112 # deal with trampoline for empty properties 113 setprop ${property#persist.}.buffer "" 114 fi 115 fi 116 if [ -n "${size}${current_size}" ]; then 117 setprop ${property}.size "${size}" 118 if [ -z "${size}" ]; then 119 # deal with trampoline for empty properties 120 setprop ${property#persist.}.size "" 121 fi 122 fi 123 while [ "clear" = "`getprop ${property#persist.}`" ]; do 124 continue 125 done 126 # Tell Settings that we are back on again if we turned logging off 127 tag="${log_tag#Settings}" 128 if [ X"${log_tag}" != X"${tag}" ]; then 129 echo "WARNING: enabling logd service" >&2 130 setprop ${log_tag_property} "${tag#,}" 131 fi 132 # ${service}.rc does the heavy lifting with the following trigger 133 setprop ${property} ${service} 134 # 20ms done, to permit process feedback check 135 sleep 1 136 getprop ${property#persist.} 137 # also generate an error return code if not found running 138 pgrep -u ${log_uid} ${service%d} 139 ;; 140*.stop) 141 if [ -n "${size}${buffer}" ]; then 142 echo "WARNING: Can not use --size or --buffer with ${progname%.*}.stop" >&2 143 fi 144 if [ "true" = "${clear}" ]; then 145 setprop ${property#persist.} "clear" 146 else 147 setprop ${property#persist.} "stop" 148 fi 149 if [ -n "`getprop ${property#persist.}.buffer`" ]; then 150 setprop ${property}.buffer "" 151 # deal with trampoline for empty properties 152 setprop ${property#persist.}.buffer "" 153 fi 154 if [ -n "`getprop ${property#persist.}.size`" ]; then 155 setprop ${property}.size "" 156 # deal with trampoline for empty properties 157 setprop ${property#persist.}.size "" 158 fi 159 while [ "clear" = "`getprop ${property#persist.}`" ]; do 160 continue 161 done 162 ;; 163*) 164 echo "ERROR: Unexpected command ${0##*/} ${args}" >&2 165 exit 1 166esac 167 168if [ X"${log_tag}" != X"`getprop ${log_tag_property}`" ] || 169 [ X"${logd_logpersistd}" != X"`getprop ${property}`" ]; then 170 if command -v am >/dev/null; then 171 echo "WARNING: killing Settings application to pull in new values" >&2 172 am force-stop com.android.settings 173 else 174 echo "WARNING: could not kill Settings application to pull in new values: am command not found" >&2 175 fi 176fi 177