mirror of
https://dev.iopsys.eu/bbf/bbfdm.git
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120 lines
5.6 KiB
Bash
Executable file
120 lines
5.6 KiB
Bash
Executable file
#!/bin/sh
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# Copyright (C) 2019 iopsys Software Solutions AB
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# Author: AMIN Ben Ramdhane <amin.benramdhane@pivasoftware.com>
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source /usr/share/bbfdm/bbf_uci_api
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serverselection_launch() {
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local i proto device res ba stc times sc1 success_count min_time avg_time max_time avg_time_sum min max micros
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local fasthost avg_time_host min_time_host max_time_host
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local hostlist=`uci_get_bbf_dmmap dmmap_diagnostics.serverselection.HostList`
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local cnt=`uci_get_bbf_dmmap dmmap_diagnostics.serverselection.NumberOfRepetitions 3`
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local timeout=`uci_get_bbf_dmmap dmmap_diagnostics.serverselection.Timeout 1000`
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local port=`uci_get_bbf_dmmap dmmap_diagnostics.serverselection.port`
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local interface=`uci_get_bbf_dmmap dmmap_diagnostics.serverselection.interface`
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local protoversion=`uci_get_bbf_dmmap dmmap_diagnostics.serverselection.ProtocolVersion Any`
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local protocol=`uci_get_bbf_dmmap dmmap_diagnostics.serverselection.Protocol ICMP`
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if [ "$protoversion" == "IPv4" ]; then proto="-4"; elif [ "$protoversion" == "IPv6" ]; then proto="-6"; else proto=""; fi
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[ "$hostlist" = "" ] && return
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timeout=$((timeout/1000))
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[ "$timeout" = "0" ] && timeout="1"
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micros=1000
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success_count=0
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avg_time_sum=0
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avg_time_host=9999999
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min=9999999
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max=0
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i=0
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for host in $(echo $hostlist | tr "," "\n"); do
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if [ "$protocol" == "ICMP" ]; then
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[ ! -z "$interface" ] && device=`ifstatus $interface | jsonfilter -e @.device` && device="-I $device" || device=""
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while [ $i -lt $cnt ]; do
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let i++
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res=$(ping -q $proto -c 1 -W $timeout $device $host 2>&1)
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ba=`echo "$res" | grep "bad address"`
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[ -n "$ba" ] && { $UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.DiagnosticState=Error_CannotResolveHostName; $UCI_COMMIT_BBF_DMMAP; break; }
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ba=`echo "$res" | grep "unknown host"`
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[ -n "$ba" ] && { $UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.DiagnosticState=Error_CannotResolveHostName; $UCI_COMMIT_BBF_DMMAP; break; }
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stc=`echo "$res" | grep "received"`
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[ -z "$stc" ] && { $UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.DiagnosticState=Error_Other; $UCI_COMMIT_BBF_DMMAP; break; }
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times=`echo "$res" | grep "min/avg/max"`
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[ -z "$times" ] && break
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sc1=`echo $stc | awk '{print $4}'`
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sc1=${sc1:-0}
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success_count=$((success_count+sc1))
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times=`echo $times | awk -F'=' '{ print $2 }'`
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min_time=`echo $times | awk -F'[=/ ]' '{ print $1 }'`
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avg_time=`echo $times | awk -F'[=/ ]' '{ print $2 }'`
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max_time=`echo $times | awk -F'[=/ ]' '{ print $3 }'`
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min_time=${min_time:-0}
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avg_time=${avg_time:-0}
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max_time=${max_time:-0}
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min_time=$(echo $min_time $micros | awk '{printf "%3.0f\n",$1*$2}')
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avg_time=$(echo $avg_time $micros | awk '{printf "%3.0f\n",$1*$2}')
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max_time=$(echo $max_time $micros | awk '{printf "%3.0f\n",$1*$2}')
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[ $min_time -lt $min ] && min=$min_time
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[ $max_time -gt $max ] && max=$max_time
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avg_time_sum=$((avg_time_sum+avg_time))
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done
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else
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[ "$port" = "" ] && return
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[ ! -z "$interface" ] && device=`ifstatus $interface | jsonfilter -e @.device` && device="-e $device" || device=""
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while [ $i -lt $cnt ]; do
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let i++
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res=$(nping $proto -c 1 --udp --dest-port $port --data-length 24 $device $host 2>&1)
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ba=`echo "$res" | grep "RCVD"`
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[ -z "$ba" ] && { $UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.DiagnosticState=Error_CannotResolveHostName; $UCI_COMMIT_BBF_DMMAP; return; }
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stc=`echo "$res" | grep "RCVD" | grep "unreachable"`
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[ -n "$stc" ] && { $UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.DiagnosticState=Error_Other; $UCI_COMMIT_BBF_DMMAP; return; }
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times=`echo "$res" | grep "rtt"`
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[ -z "$times" ] && continue
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sc1=`echo "$res" | grep "Rcvd" | awk -F': ' '{print $3}' | awk -F'(' '{ print $1 }'`
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sc1=${sc1:-0}
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success_count=$((success_count+sc1))
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max_time=`echo $times | awk -F': ' '{ print $2 }' | awk -F'ms' '{ print $1 }'`
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min_time=`echo $times | awk -F': ' '{ print $3 }' | awk -F'ms' '{ print $1 }'`
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avg_time=`echo $times | awk -F': ' '{ print $4 }' | awk -F'ms' '{ print $1 }'`
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min_time=${min_time:-0}
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avg_time=${avg_time:-0}
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max_time=${max_time:-0}
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min_time=$(echo $min_time $micros | awk '{printf "%3.0f\n",$1*$2}')
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avg_time=$(echo $avg_time $micros | awk '{printf "%3.0f\n",$1*$2}')
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max_time=$(echo $max_time $micros | awk '{printf "%3.0f\n",$1*$2}')
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[ $min_time -lt $min ] && min=$min_time
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[ $max_time -gt $max ] && max=$max_time
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avg_time_sum=$((avg_time_sum+avg_time))
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done
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fi
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[ $success_count -gt 0 ] && avg_time=$((avg_time_sum/success_count)) || avg_time=0
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[[ "$avg_time" != "0" && $avg_time -lt $avg_time_host ]] && avg_time_host=$avg_time && min_time_host=$min && max_time_host=$max && fasthost=$host
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success_count=0
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avg_time_sum=0
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min=9999999
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max=0
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i=0
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done
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.DiagnosticState=Complete
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.FastestHost=$fasthost
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.AverageResponseTime=$avg_time_host
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.MinimumResponseTime=$min_time_host
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.MaximumResponseTime=$max_time_host
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$UCI_COMMIT_BBF_DMMAP
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}
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serverselection_stop_diagnostic() {
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local pids=`ps | grep serverselection_launch | grep -v grep | awk '{print $1}'`
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if [ -n "$pids" ]; then
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kill -9 $pids &>/dev/null
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.serverselection.DiagnosticState=None
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$UCI_COMMIT_BBF_DMMAP
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fi
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}
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if [ "$1" == "run" ]; then
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serverselection_launch
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elif [ "$1" == "stop" ]; then
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serverselection_stop_diagnostic
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else
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return
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fi
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