bbfdm/scripts/functions/traceroute_launch
2019-12-04 09:52:05 +01:00

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#!/bin/sh
# Copyright (C) 2019 iopsys Software Solutions AB
# Author: AMIN Ben Ramdhane <amin.benramdhane@pivasoftware.com>
UCI_GET_VARSTATE="/sbin/uci -q ${UCI_CONFIG_DIR:+-c $UCI_CONFIG_DIR} -P /var/state get"
UCI_SET_VARSTATE="/sbin/uci -q ${UCI_CONFIG_DIR:+-c $UCI_CONFIG_DIR} -P /var/state set"
UCI_ADD_VARSTATE="/sbin/uci -q ${UCI_CONFIG_DIR:+-c $UCI_CONFIG_DIR} -P /var/state add"
UCI_DELETE_VARSTATE="/sbin/uci -q ${UCI_CONFIG_DIR:+-c $UCI_CONFIG_DIR} -P /var/state delete"
UCI_SHOW_VARSTATE="/sbin/uci -q ${UCI_CONFIG_DIR:+-c $UCI_CONFIG_DIR} -P /var/state show"
traceroute_get() {
local val=`$UCI_GET_VARSTATE $1`
echo ${val:-$2}
}
traceroute_launch() {
local i res host ip time=0
[ "$1" == "cwmp" ] && [ "`$UCI_GET_VARSTATE cwmp.@traceroutediagnostic[0].DiagnosticState`" != "Requested" ] && return
local host=`traceroute_get cwmp.@traceroutediagnostic[0].Host`
local cnt=`traceroute_get cwmp.@traceroutediagnostic[0].NumberOfTries 3`
local dsize=`traceroute_get cwmp.@traceroutediagnostic[0].DataBlockSize 38`
local timeout=`traceroute_get cwmp.@traceroutediagnostic[0].Timeout 5000`
local maxhop=`traceroute_get cwmp.@traceroutediagnostic[0].MaxHops 30`
local proto=`traceroute_get cwmp.@traceroutediagnostic[0].ProtocolVersion Any`
[ "$host" = "" ] && return
timeout=$((timeout/1000))
[ "$timeout" = "0" ] && timeout = "1"
i=-2
delete_all_route_hops
rm -f /tmp/traceres
[ "$proto" = "Any" ] && traceroute -m $maxhop -w $timeout -q $cnt $host $dsize 2>&1 >/tmp/traceres
[ "$proto" = "IPv4" ] && traceroute -m $maxhop -w $timeout -q $cnt -4 $host $dsize 2>&1 >/tmp/traceres
[ "$proto" = "IPv6" ] && traceroute -m $maxhop -w $timeout -q $cnt -6 $host $dsize 2>&1 >/tmp/traceres
while read _ host ip time _; do
[ "$host" = "*" -a "$ip" = "*" ] && continue
let i++
[ "$i" = "-1" ] && continue;
ip=${ip#(}; ip=${ip%)}
time=${time%.*}
$UCI_ADD_VARSTATE cwmp RouteHops
$UCI_SET_VARSTATE cwmp.@RouteHops[$i].host=$host
$UCI_SET_VARSTATE cwmp.@RouteHops[$i].ip=$ip
$UCI_SET_VARSTATE cwmp.@RouteHops[$i].time=$time
done < /tmp/traceres
rm -f /tmp/traceres
let i++
[ "$1" == "cwmp" ] && $UCI_SET_VARSTATE cwmp.@traceroutediagnostic[0].DiagnosticState=Complete
$UCI_SET_VARSTATE cwmp.@traceroutediagnostic[0].NumberOfHops=$i
$UCI_SET_VARSTATE cwmp.@traceroutediagnostic[0].ResponseTime=$($UCI_GET_VARSTATE cwmp.@RouteHops[-1].time)
[ "$1" == "cwmp" ] && event_diagnostic
}
delete_all_route_hops() {
local j
for j in $($UCI_SHOW_VARSTATE cwmp | grep "cwmp.@RouteHops.*=RouteHops"); do
$UCI_DELETE_VARSTATE cwmp.@RouteHops[-1]
done
}
event_diagnostic() {
local e=1
local i=0
while [ "$e" != 0 -a $i -lt 200 ]; do
ubus -t 1 call tr069 inform '{"event":"8 DIAGNOSTICS COMPLETE"}'
e=$?
[ "$e" != "0" ] && sleep 1;
let i++
done
}
traceroute_stop() {
delete_all_route_hops
local pids=`ps aux | grep traceroute_launch | grep -v grep | grep -v stop | awk '{print $2}'`
[ -z "$pids" ] && pids=`ps | grep traceroute_launch | grep -v grep | grep -v stop | awk '{print $2}'`
if [ -n "$pids" ]; then
kill -9 $pids 2>/dev/null
$UCI_SET_VARSTATE cwmp.@traceroutediagnostic[0].DiagnosticState=None
fi
}
if [ "$1" == "run" ]; then
traceroute_launch $2 2>/dev/null
elif [ "$1" == "stop" ]; then
traceroute_stop 2>/dev/null
else
return
fi