timed wanlink script

timed_ice_pause.sh

@@ -0,0 +1,136 @@
+#!/bin/bash
+
+# scripts
+cd /home/lanforge/scripts
+trap do_sigint INT
+
+function do_sigint() {
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd --cmd \
+      "set_wanlink_info $link_name-A NA NA NA NA NA 0" &>/dev/null
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd --cmd \
+      "set_wanlink_info $link_name-B NA NA NA NA NA 0" &>/dev/null
+
+   exit 0 
+}
+
+function stop_cx() {
+   [ -z "$1" ] && echo "No connection name, bye." && exit 1
+   local name=$1
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd \
+      --cmd "set_cx_state all $name QUIESCE" &>/dev/null
+}
+
+function start_cx() {
+   [ -z "$1" ] && echo "No connection name, bye." && exit 1
+   local name=$1
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd \
+      --cmd "set_cx_state all $name RUNNING" &>/dev/null
+}
+
+function pause_wl() {
+   [ -z "$1" ] && echo "No connection name, bye." && exit 1
+   [ -z "$2" ] && echo "No sleep seconds, bye." && exit 1
+   local name=$1
+   local pause_time=$2
+
+   # read the max-drop-rate
+   local formerDrA=-1
+   local formerDrB=-1
+   local info
+   mapfile -t info < <(./lf_firemod.pl --mgr localhost --quiet on --action do_cmd \
+      --cmd "show_endpoints $name-A")
+   for L in "${info[@]}"; do
+      #echo "L: $L"
+      if [[ $L == *DropFreq:* ]]; then
+         formerDrA=`echo $L | grep -oP 'DropFreq: (\S+)'`
+         formerDrA=${formerDrA/DropFreq: /}
+         #echo "formerDrA: $formerDrA"
+      fi
+   done
+   if [ $formerDrA -lt 0 ]; then
+      echo "DropFreq not found for $name-A"
+      exit 1
+   fi
+
+   mapfile -t info < <(./lf_firemod.pl --mgr localhost --quiet on --action do_cmd \
+      --cmd "show_endpoints $name-B")
+   for L in "${info[@]}"; do
+      #echo "L: $L"
+      if [[ $L == *DropFreq:* ]]; then
+         formerDrB=`echo $L | grep -oP 'DropFreq: (\S+)'`
+         formerDrB=${formerDrB/DropFreq: /}
+         #echo "formerDrB: $formerDrB"
+      fi
+   done
+   if [ $formerDrB -lt 0 ]; then
+      echo "DropFreq not found for $name-B"
+      exit 1
+   fi
+
+   if [ -z "$formerDrA" -o $formerDrA -lt 0 ] ; then 
+      echo "Unable to read wanlink-A speed, or wanlink already paused."
+      exit 1
+   fi
+   if [ -z "$formerDrB" -o $formerDrB -lt 0 ] ; then 
+      echo "Unable to read wanlink-B speed, or wanlink already paused."
+      exit 1
+   fi
+
+
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd --cmd \
+      "set_wanlink_info $name-A NA NA NA NA NA 1000000" &>/dev/null
+
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd --cmd \
+      "set_wanlink_info $name-B NA NA NA NA NA 1000000" &>/dev/null
+
+   echo -n "Pausing $pause_time"
+   sleep $pause_time
+
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd --cmd \
+      "set_wanlink_info $name-A NA NA NA NA NA $formerDrA" &>/dev/null
+   ./lf_firemod.pl --mgr localhost --quiet on --action do_cmd --cmd \
+      "set_wanlink_info $name-B NA NA NA NA NA $formerDrB" &>/dev/null
+
+   echo -n " go "
+}
+
+show_help=0
+run_time_sec=0
+pause_time_sec=0
+link_name=''
+
+while getopts "h:n:r:p:" arg; do
+   #echo "ARG[$arg] OPTARG[$OPTARG]"
+   case $arg in 
+   n) link_name=$OPTARG
+      ;;
+   r) run_time_sec=$OPTARG
+      ;;
+   p) pause_time_sec=$OPTARG
+      ;;
+   h) show_help=1
+      ;;
+   *)
+      echo "Ignoring option $arg $OPTARG"
+   esac
+done
+
+if [ -z "$link_name" -o $run_time_sec -eq 0 -o $pause_time_sec -eq 0 ]; then
+   show_help=1
+fi
+
+if [ $show_help -gt 0 ]; then
+   echo "Usage: $0 -n {CX name} -r {run time in seconds} -p {pause time in seconds}"
+   exit 1
+fi
+
+
+echo "Starting connection $link_name..."
+start_cx $link_name
+while true; do
+   sleep $run_time_sec
+   #echo "pausing..."
+   pause_wl $link_name $pause_time_sec
+   #echo "resumed"
+done
+#