1 #! /system/bin/sh 2 # logpersist cat, start and stop handlers 3 progname="${0##*/}" 4 case `getprop ro.build.type` in 5 userdebug|eng) ;; 6 *) echo "${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 data=/data/misc/logd 21 service=logcatd 22 size_default=256 23 buffer_default=all 24 args="${@}" 25 26 size=${size_default} 27 buffer=${buffer_default} 28 clear=false 29 while [ ${#} -gt 0 ]; do 30 case ${1} in 31 -c|--clear) clear=true ;; 32 --size=*) size="${1#--size=}" ;; 33 --rotate-count=*) size="${1#--rotate-count=}" ;; 34 -n|--size|--rotate-count) size="${2}" ; shift ;; 35 --buffer=*) buffer="${1#--buffer=}" ;; 36 -b|--buffer) buffer="${2}" ; shift ;; 37 -h|--help|*) 38 LEAD_SPACE_="`echo ${progname%.*} | tr '[ -~]' ' '`" 39 echo "${progname%.*}.cat - dump current ${service%d} logs" 40 echo "${progname%.*}.start [--size=<size_in_kb>] [--buffer=<buffers>] [--clear]" 41 echo "${LEAD_SPACE_} - start ${service} service" 42 echo "${progname%.*}.stop [--clear] - stop ${service} service" 43 case ${1} in 44 -h|--help) exit 0 ;; 45 *) echo ERROR: bad argument ${@} >&2 ; exit 1 ;; 46 esac 47 ;; 48 esac 49 shift 50 done 51 52 if [ -z "${size}" -o "${size_default}" = "${size}" ]; then 53 unset size 54 fi 55 if [ -n "${size}" ] && 56 ! ( [ 0 -lt "${size}" ] && [ 2048 -ge "${size}" ] ) >/dev/null 2>&1; then 57 echo ERROR: Invalid --size ${size} >&2 58 exit 1 59 fi 60 if [ -z "${buffer}" -o "${buffer_default}" = "${buffer}" ]; then 61 unset buffer 62 fi 63 if [ -n "${buffer}" ] && ! logcat -b ${buffer} -g >/dev/null 2>&1; then 64 echo ERROR: Invalid --buffer ${buffer} >&2 65 exit 1 66 fi 67 68 case ${progname} in 69 *.cat) 70 if [ -n "${size}${buffer}" -o "true" = "${clear}" ]; then 71 echo WARNING: Can not use --clear, --size or --buffer with ${progname%.*}.cat >&2 72 fi 73 su logd ls "${data}" | 74 tr -d '\r' | 75 sort -ru | 76 sed "s#^#${data}/#" | 77 su logd 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 # ${service}.rc does the heavy lifting with the following trigger 127 setprop ${property} ${service} 128 # 20ms done, to permit process feedback check 129 sleep 1 130 getprop ${property#persist.} 131 # also generate an error return code if not found running, bonus 132 ps -t | grep "${data##*/}.*${service%d}" 133 ;; 134 *.stop) 135 if [ -n "${size}${buffer}" ]; then 136 echo "WARNING: Can not use --size or --buffer with ${progname%.*}.stop" >&2 137 fi 138 if [ "true" = "${clear}" ]; then 139 setprop ${property} "clear" 140 else 141 setprop ${property} "stop" 142 fi 143 if [ -n "`getprop ${property#persist.}.buffer`" ]; then 144 setprop ${property}.buffer "" 145 # deal with trampoline for empty properties 146 setprop ${property#persist.}.buffer "" 147 fi 148 if [ -n "`getprop ${property#persist.}.size`" ]; then 149 setprop ${property}.size "" 150 # deal with trampoline for empty properties 151 setprop ${property#persist.}.size "" 152 fi 153 while [ "clear" = "`getprop ${property#persist.}`" ]; do 154 continue 155 done 156 ;; 157 *) 158 echo "ERROR: Unexpected command ${0##*/} ${args}" >&2 159 exit 1 160 esac 161
