1 #! /system/bin/sh 2 # logpersist cat, start and stop handlers 3 progname="${0##*/}" 4 case `getprop ro.debuggable` in 5 1) ;; 6 *) echo "${progname} - Permission denied" 7 exit 1 8 ;; 9 esac 10 11 property=persist.logd.logpersistd 12 13 case `getprop ${property#persist.}.enable` in 14 true) ;; 15 *) echo "${progname} - Disabled" 16 exit 1 17 ;; 18 esac 19 20 log_uid=logd 21 log_tag_property=persist.log.tag 22 data=/data/misc/logd/logcat 23 service=logcatd 24 size_default=256 25 buffer_default=all 26 args="${@}" 27 28 size=${size_default} 29 buffer=${buffer_default} 30 clear=false 31 while [ ${#} -gt 0 ]; do 32 case ${1} in 33 -c|--clear) clear=true ;; 34 --size=*) size="${1#--size=}" ;; 35 --rotate-count=*) size="${1#--rotate-count=}" ;; 36 -n|--size|--rotate-count) size="${2}" ; shift ;; 37 --buffer=*) buffer="${1#--buffer=}" ;; 38 -b|--buffer) buffer="${2}" ; shift ;; 39 -h|--help|*) 40 LEAD_SPACE_="`echo ${progname%.*} | tr '[ -~]' ' '`" 41 echo "${progname%.*}.cat - dump current ${service} logs" 42 echo "${progname%.*}.start [--size=<size_in_kb>] [--buffer=<buffers>] [--clear]" 43 echo "${LEAD_SPACE_} - start ${service} service" 44 echo "${progname%.*}.stop [--clear] - stop ${service} service" 45 case ${1} in 46 -h|--help) exit 0 ;; 47 *) echo ERROR: bad argument ${@} >&2 ; exit 1 ;; 48 esac 49 ;; 50 esac 51 shift 52 done 53 54 if [ -z "${size}" -o "${size_default}" = "${size}" ]; then 55 unset size 56 fi 57 if [ -n "${size}" ] && 58 ! ( [ 0 -lt "${size}" ] && [ 2048 -ge "${size}" ] ) >/dev/null 2>&1; then 59 echo ERROR: Invalid --size ${size} >&2 60 exit 1 61 fi 62 if [ -z "${buffer}" -o "${buffer_default}" = "${buffer}" ]; then 63 unset buffer 64 fi 65 if [ -n "${buffer}" ] && ! logcat -b ${buffer} -g >/dev/null 2>&1; then 66 echo ERROR: Invalid --buffer ${buffer} >&2 67 exit 1 68 fi 69 70 log_tag="`getprop ${log_tag_property}`" 71 logd_logpersistd="`getprop ${property}`" 72 73 case ${progname} in 74 *.cat) 75 if [ -n "${size}${buffer}" -o "true" = "${clear}" ]; then 76 echo WARNING: Can not use --clear, --size or --buffer with ${progname%.*}.cat >&2 77 fi 78 su ${log_uid} ls "${data%/*}" | 79 tr -d '\r' | 80 sort -ru | 81 sed "s#^#${data%/*}/#" | 82 grep "${data}[.]*[0-9]*\$" | 83 su ${log_uid} xargs cat 84 ;; 85 *.start) 86 current_buffer="`getprop ${property#persist.}.buffer`" 87 current_size="`getprop ${property#persist.}.size`" 88 if [ "${service}" = "`getprop ${property#persist.}`" ]; then 89 if [ "true" = "${clear}" ]; then 90 setprop ${property#persist.} "clear" 91 elif [ "${buffer}|${size}" != "${current_buffer}|${current_size}" ]; then 92 echo "ERROR: Changing existing collection parameters from" >&2 93 if [ "${buffer}" != "${current_buffer}" ]; then 94 a=${current_buffer} 95 b=${buffer} 96 if [ -z "${a}" ]; then a="${default_buffer}"; fi 97 if [ -z "${b}" ]; then b="${default_buffer}"; fi 98 echo " --buffer ${a} to ${b}" >&2 99 fi 100 if [ "${size}" != "${current_size}" ]; then 101 a=${current_size} 102 b=${size} 103 if [ -z "${a}" ]; then a="${default_size}"; fi 104 if [ -z "${b}" ]; then b="${default_size}"; fi 105 echo " --size ${a} to ${b}" >&2 106 fi 107 echo " Are you sure you want to do this?" >&2 108 echo " Suggest add --clear to erase data and restart with new settings." >&2 109 echo " To blindly override and retain data, ${progname%.*}.stop first." >&2 110 exit 1 111 fi 112 elif [ "true" = "${clear}" ]; then 113 setprop ${property#persist.} "clear" 114 fi 115 if [ -n "${buffer}${current_buffer}" ]; then 116 setprop ${property}.buffer "${buffer}" 117 if [ -z "${buffer}" ]; then 118 # deal with trampoline for empty properties 119 setprop ${property#persist.}.buffer "" 120 fi 121 fi 122 if [ -n "${size}${current_size}" ]; then 123 setprop ${property}.size "${size}" 124 if [ -z "${size}" ]; then 125 # deal with trampoline for empty properties 126 setprop ${property#persist.}.size "" 127 fi 128 fi 129 while [ "clear" = "`getprop ${property#persist.}`" ]; do 130 continue 131 done 132 # Tell Settings that we are back on again if we turned logging off 133 tag="${log_tag#Settings}" 134 if [ X"${log_tag}" != X"${tag}" ]; then 135 echo "WARNING: enabling logd service" >&2 136 setprop ${log_tag_property} "${tag#,}" 137 fi 138 # ${service}.rc does the heavy lifting with the following trigger 139 setprop ${property} ${service} 140 # 20ms done, to permit process feedback check 141 sleep 1 142 getprop ${property#persist.} 143 # also generate an error return code if not found running 144 pgrep -u ${log_uid} ${service%d} 145 ;; 146 *.stop) 147 if [ -n "${size}${buffer}" ]; then 148 echo "WARNING: Can not use --size or --buffer with ${progname%.*}.stop" >&2 149 fi 150 if [ "true" = "${clear}" ]; then 151 setprop ${property} "clear" 152 else 153 setprop ${property} "stop" 154 fi 155 if [ -n "`getprop ${property#persist.}.buffer`" ]; then 156 setprop ${property}.buffer "" 157 # deal with trampoline for empty properties 158 setprop ${property#persist.}.buffer "" 159 fi 160 if [ -n "`getprop ${property#persist.}.size`" ]; then 161 setprop ${property}.size "" 162 # deal with trampoline for empty properties 163 setprop ${property#persist.}.size "" 164 fi 165 while [ "clear" = "`getprop ${property#persist.}`" ]; do 166 continue 167 done 168 ;; 169 *) 170 echo "ERROR: Unexpected command ${0##*/} ${args}" >&2 171 exit 1 172 esac 173 174 if [ X"${log_tag}" != X"`getprop ${log_tag_property}`" ] || 175 [ X"${logd_logpersistd}" != X"`getprop ${property}`" ]; then 176 echo "WARNING: killing Settings application to pull in new values" >&2 177 am force-stop com.android.settings 178 fi 179
