Statistics: Posted by Mikael63 — Fri Apr 15, 2022 1:17 pm
Statistics: Posted by Mikael63 — Wed Feb 05, 2020 9:29 pm
Statistics: Posted by TomT — Wed Feb 05, 2020 5:34 pm
Statistics: Posted by Guest — Wed Feb 05, 2020 5:26 pm
CODE:
#!/bin/bash## Fitlet2 disk and network activity monitoring daemon# flashes left LED green for disk, right LED yellow for net#init () { cd /sys/class/gpio if [ ! -w gpio435/value ] then # initialize gpio nodes, if not already prepared if [ ! -w export ] then echo "cannot initialize gpios" 1>&2 exit 1 fi for G in 435 436 437 438 do echo $G > export echo out > gpio$G/direction done fi # lights out for G in 435 436 437 438 do echo 0 > gpio$G/value done # simple daemon mode trap '' 1 trap 'fini' 2 3 15 exec 0</dev/null 1>/dev/null 2>&1 # fd 3 = left LED green (disk), fd 4 = right LED yellow (net) exec 3>gpio435/value 4>gpio438/value # fd 5 = fifo for sleeping via builtin read mkfifo -m 0600 /tmp/fitlet2leds-fifo exec 5<>/tmp/fitlet2leds-fifo rm -f /tmp/fitlet2leds-fifo INIT=1}fini () { # restore green lights echo 1 > gpio435/value echo 0 > gpio436/value echo 1 > gpio437/value echo 0 > gpio438/value exit 0}checkactive () { ODSK=$DSK ; DSK=0 ONET=$NET ; NET=0 # tally all read+write to non-loop base block devices while read MAJ MIN NAM F4 F5 RD F7 F8 F9 WR FOO do case $MIN in 0) ;; *) continue ;; esac case $NAM in loop*) continue ;; esac DSK=$((DSK+RD+WR)) done < /proc/diskstats # tally all in+out IP octets to physical network devices while read HDR F1 F2 F3 F4 F5 F6 IN OUT FOO do case $HDR in IpExt*) ;; *) continue ;; esac case $F1 in [0-9]*) ;; *) continue ;; esac NET=$((NET+IN+OUT)) done < /proc/net/netstat}while :do case $INIT in "") init ;; esac case $((DSK - ODSK)) in 0) ;; *) echo 1 >&3 ;; esac case $((NET - ONET)) in 0) ;; *) echo 1 >&4 ;; esac read -t .25 -u 5 echo 0 >&3 echo 0 >&4 read -t .75 -u 5 checkactivedone &
Statistics: Posted by TomT — Wed Feb 05, 2020 4:02 pm
Statistics: Posted by tamir — Mon Aug 26, 2019 8:29 am
Statistics: Posted by hassellbear — Mon Aug 26, 2019 12:26 am
Statistics: Posted by hassellbear — Tue Aug 06, 2019 3:44 am
Statistics: Posted by Mikael63 — Sun Jul 14, 2019 7:34 pm