mirror of
https://github.com/Telecominfraproject/wlan-lanforge-scripts.git
synced 2025-10-30 02:12:38 +00:00
129 lines
3.5 KiB
Bash
Executable File
129 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# This script will reset any layer 4 connection that reaches 0 Mbps over last minute.
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# Run this script from the /home/lanforge/scripts directory.
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# Custom variables
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# Use DB to set a database to load.
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# Use mgr to have this script run on another system (replace localhost with ip or hostname).
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# Use rate to change how often the script checks layer 4 endpoints (default is 60s).
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DB=""
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mgr="localhost"
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napTime="30s"
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min="0"
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### Should not need to change anything below this line! ###
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function show_help() {
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echo "$0 -m <manager> -d <delay> -n <minimum-bps> -l <database>"
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echo " --mgr <manager> --delay <seconds> --min <minimum-bps> --load <database>"
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echo ""
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exit
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}
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ARGS=`getopt -o d:l:m:n:h --long help,load:,delay:,mgr:,min: -- "$@"`
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while :; do
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case "$1" in
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-l|--load) DB="$2"; shift 2 ;;
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-d|--delay) napTime="$2"; shift 2 ;;
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-m|--mgr) mgr="$2"; shift 2 ;;
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-n|--min) min="$2"; shift 2 ;;
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--) shift; break;;
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-h|--help)
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show_help
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exit 1 ;;
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*) break;;
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esac
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done
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echo -n "Options --mgr $mgr --delay $napTime --min $min"
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if [[ $DB != "" ]]; then
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echo -n "--db $DB"
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fi
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echo ""
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# Load DB (if provided above)
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if [[ ! $DB = "" ]]; then
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echo -n "Loading database $DB..."
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./lf_portmod.pl --manager $mgr --load $DB > /dev/null
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sleep 10s
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echo "...done"
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fi
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echo "Press Control-C to stop..."
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while : ; do
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# List layer-4 cx
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l4output=`./lf_firemod.pl --mgr $mgr --cmd "show_cx" \
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| grep "type: L4_GENERIC" | awk ' ''{print $3}' | cut -d "_" -f 2- \
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| sort | uniq`
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# We get all the statuses we can get because that it a lot faster
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# than querying one status at a time
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allStatuses=`./lf_firemod.pl --mgr $mgr --action show_endp`
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l4list=($l4output)
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for i in "${l4list[@]}"
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do
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# if we call lf_firemod multiple times we have to wait on
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# the manager and it ends up taking longer than our dwell time
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# endp_status=`./lf_firemod.pl --mgr $mgr --action show_endp --endp_name`
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endp_status=`echo "$allStatuses" | awk "/L4Endp \[$i\]/{flag=1}/^\$/{flag=0}flag"`
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#echo '---------------------------------------'
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#echo "$endp_status"
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#echo '---------------------------------------'
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l4read=`echo "$endp_status" | awk '/Bytes Read:/ {print $8}'`
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l4write=`echo "$endp_status" | awk '/Bytes Written:/ {print $8}'`
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runChk=`echo "$endp_status" | grep '^L4Endp '`
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runStat=`echo "$runChk" | sed 's/L4Endp \[.*\] (\(.*\))/\1/'`
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checkSpeed=0
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doL4Restart=0
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case "$runStat" in
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"RUNNING")
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checkSpeed=1
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;;
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"RUNNING, ALLOW_REUSE")
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checkSpeed=1
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;;
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"NOT_RUNNING")
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doL4Restart=1
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;;
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"NOT_RUNNING, WAIT_RESTART")
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doL4Restart=1
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;;
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"NOT_RUNNING, ALLOW_REUSE")
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;;
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*)
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echo "Unknown case ${i}[$runStat]"
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;;
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esac
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if [[ x$checkSpeed = x1 ]]; then
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#echo "l4read[$l4read] min[$min] l4write[$l4write]"
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if (( $l4read <= $min )) && (( $l4write <= $min )); then
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doL4Restart=1
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fi
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fi
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#echo "restart[${doL4Restart}] $i l4read[$l4read] l4write[$l4write] $runChk"
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if (( $doL4Restart == 1 )); then
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echo "Resetting $i at `date`"
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./lf_firemod.pl --mgr $mgr --cmd "set_cx_state all CX_$i STOPPED" > /dev/null
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sleep 3s
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./lf_firemod.pl --mgr $mgr --cmd "set_cx_state all CX_$i RUNNING" > /dev/null
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fi
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done
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echo -n "."
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sleep $napTime
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done
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