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Viewing changes to nic-go-crazy

  • Committer: Scott Moser
  • Date: 2015-04-21 20:54:37 UTC
  • Revision ID: smoser@ubuntu.com-20150421205437-empuhttg15gr3ml8
some cleanups

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nic-go-crazy
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     echo "$ORIG: $CUR -> $new" 1>&2
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     $DRY ip link set "$CUR" name "$new" && CUR="$new" ||
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        { echo "failed rename $CUR -> $new" 1>&2; exit 1; }
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     [ "$NAPLEN" = "0" ] || sleep "$NAPLEN"
 
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     if [ "$NAPLEN" != "0" ]; then
 
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         sleep "$NAPLEN" &
 
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         wait
 
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     fi
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   done
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   exit
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elif [ "$1" = "nics" ]; then
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   kids=( )
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   cleanup() {
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      trap "" EXIT
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      kill -SIGHUP "${kids[@]}"
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      wait
 
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      if [ "${#kids[@]}" != "0" ]; then
 
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         kill -SIGHUP "${kids[@]}"
 
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         wait
 
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      fi
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   }
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   trap cleanup EXIT INT
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   for x in "$@"; do
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   oname=${2:-xtap}
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   MYTAPS=( )
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   me=$(id -un)
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   kids=( )
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   assertroot
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   cleanup() {
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      trap "" EXIT
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      [ "${#kids[@]}" = 0 ] || kill -SIGHUP "${kids[@]}"
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      wait
 
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      if [ "${#kids[@]}" != "0" ]; then
 
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         kill -SIGHUP "${kids[@]}"
 
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         wait
 
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      fi
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      local name
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      for name in "${MYTAPS[@]}"; do
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         echo "tap: removing $name" 1>&2
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         ip tuntap del mode tap "$name"
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      done
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   }
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   trap cleanup EXIT INT
 
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   cleanexit() { cleanup; exit; }
 
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   kids=( )
 
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   trap cleanexit EXIT INT
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   for((i=1;i<=$num;i++)); do
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      name=$(printf "$oname-%03d" "$i")
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      ip tuntap add mode tap user "$me" "$name" &&
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         MYTAPS[${#MYTAPS[@]}]="$name" ||
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         { echo "failed add tap $name"; exit 1; }
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   done
 
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   i=0
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   for x in "${MYTAPS[@]}"; do
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     i=$(($i+1))
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     prefix=$(printf "%02d" "$i")