X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=dropcount.sh;h=6278955bb1e967fb60eeb846647c7632a0cfea8f;hb=refs%2Fheads%2Fmain;hp=9864be80aa1be6a68eaa0ba71a8ff7eb040d4a29;hpb=6f38d6623c3282c8f93dedd1b6419946da1311dc;p=flowspec-xdp diff --git a/dropcount.sh b/dropcount.sh index 9864be8..6278955 100755 --- a/dropcount.sh +++ b/dropcount.sh @@ -1,37 +1,41 @@ #!/bin/bash -function PRINTCNT() { -if [ "$KEY" != "" ]; then - if [ "$KEY" = "0x00000000" ]; then - echo "Invalid packet length: $CNT" - elif [ "$KEY" = "0x00000001" ]; then - echo "Invalid VLAN tag: $CNT" - elif [ "$KEY" = "0x00000002" ]; then - echo "Invalid/rejected IHL IPv4 field: $CNT" - elif [ "$KEY" = "0x00000003" ]; then - echo "Rejected IPv6 fragments: $CNT" - else - echo "$KEY: $CNT" - fi -fi -CNT=0 +MAP_CONTENTS="$(bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do + bpftool map dump id "$IF" | grep "bytes\|packets\|key" | grep -v '\(bytes\|packets\)": 0\(,\)*$' | tr -d ',' +done)" +echo "$MAP_CONTENTS" | { + declare -a BYTES + declare -a PACKETS + TOTAL_PACKETS=0 + TOTAL_BYTES=0 + KEY="" + while read LINE; do + case "$LINE" in + *"key"*) + KEY=${LINE:7} + if [ "${BYTES["${KEY}"]}" = "" ]; then + BYTES["${KEY}"]=0 + PACKETS["${KEY}"]=0 + fi + ;; + *"bytes"*) + BYTES["${KEY}"]=$(( ${BYTES["$KEY"]} + ${LINE:9} )) + TOTAL_BYTES=$(( $TOTAL_BYTES + ${LINE:9} )) + ;; + *"packets"*) + PACKETS["$KEY"]=$(( ${PACKETS["$KEY"]} + ${LINE:11} )) + TOTAL_PACKETS=$(( $TOTAL_PACKETS + ${LINE:11} )) + ;; + esac + done + echo -e "pkts\tKBytes\tRule" + echo -e "${TOTAL_PACKETS}\t$(( ${TOTAL_BYTES} / 1000 ))\tTotal" + echo -e "${PACKETS[0]}\t$(( ${BYTES[0]} / 1000 ))\tInvalid packet length" + echo -e "${PACKETS[1]}\t$(( ${BYTES[1]} / 1000 ))\tInvalid VLAN tag" + echo -e "${PACKETS[2]}\t$(( ${BYTES[2]} / 1000 ))\tInvalid/rejected IHL IPv4 field" + echo -e "${PACKETS[3]}\t$(( ${BYTES[3]} / 1000 ))\tRejected IPv6 fragments" + C=4 + while read LINE; do + echo -e "${PACKETS["$C"]}\t$(( ${BYTES["$C"]} / 1000 ))\t$LINE" + C=$(( $C + 1 )) + done < "$(dirname ${BASH_SOURCE[0]})/installed-rules.txt" } -bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do - bpftool map dump id "$IF" | { - KEY="" - CNT=0 - while read LINE; do - case "$LINE" in - "key:") ;; - "value"*) - CNT=$(( $CNT + $(echo "$LINE" | awk '{ print "0x" $11 $10 $9 $8 $7 $6 $5 $4 }') )) - ;; - "Found "*) ;; - *) - PRINTCNT - KEY=$(echo "$LINE" | awk '{ print "0x" $4 $3 $2 $1 }') - ;; - esac - done - PRINTCNT - } -done