_ Git - flowspec-xdp/blob - dropcount.sh

   1 #!/bin/bash
   2 MAP_CONTENTS="$(bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do
   3         bpftool map dump id "$IF" | grep "bytes\|packets\|key" | grep -v '\(bytes\|packets\)": 0\(,\)*$' | tr -d ','
   4 done)"
   5 echo "$MAP_CONTENTS" | {
   6         declare -a BYTES
   7         declare -a PACKETS
   8         TOTAL_PACKETS=0
   9         TOTAL_BYTES=0
  10         KEY=""
  11         while read LINE; do
  12                 case "$LINE" in
  13                         *"key"*)
  14                                 KEY=${LINE:7}
  15                                 if [ "${BYTES["${KEY}"]}" = "" ]; then
  16                                         BYTES["${KEY}"]=0
  17                                         PACKETS["${KEY}"]=0
  18                                 fi
  19                                 ;;
  20                         *"bytes"*)
  21                                 BYTES["${KEY}"]=$(( ${BYTES["$KEY"]} + ${LINE:9} ))
  22                                 TOTAL_BYTES=$(( $TOTAL_BYTES + ${LINE:9} ))
  23                                 ;;
  24                         *"packets"*)
  25                                 PACKETS["$KEY"]=$(( ${PACKETS["$KEY"]} + ${LINE:11} ))
  26                                 TOTAL_PACKETS=$(( $TOTAL_PACKETS + ${LINE:11} ))
  27                                 ;;
  28                 esac
  29         done
  30         echo -e "pkts\tKBytes\tRule"
  31         echo -e "${TOTAL_PACKETS}\t$(( ${TOTAL_BYTES} / 1000 ))\tTotal"
  32         echo -e "${PACKETS[0]}\t$(( ${BYTES[0]} / 1000 ))\tInvalid packet length"
  33         echo -e "${PACKETS[1]}\t$(( ${BYTES[1]} / 1000 ))\tInvalid VLAN tag"
  34         echo -e "${PACKETS[2]}\t$(( ${BYTES[2]} / 1000 ))\tInvalid/rejected IHL IPv4 field"
  35         echo -e "${PACKETS[3]}\t$(( ${BYTES[3]} / 1000 ))\tRejected IPv6 fragments"
  36         C=4
  37         while read LINE; do
  38                 echo -e "${PACKETS["$C"]}\t$(( ${BYTES["$C"]} / 1000 ))\t$LINE"
  39                 C=$(( $C + 1 ))
  40         done < "$(dirname ${BASH_SOURCE[0]})/installed-rules.txt"
  41 }