X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=dropcount.sh;h=2620b5dd6f836ec25d6a7ad4b0e959e462e367c9;hb=3e6fa8a135ffc2892b0a880b0961b663c3cd812b;hp=9864be80aa1be6a68eaa0ba71a8ff7eb040d4a29;hpb=6f38d6623c3282c8f93dedd1b6419946da1311dc;p=flowspec-xdp diff --git a/dropcount.sh b/dropcount.sh index 9864be8..2620b5d 100755 --- a/dropcount.sh +++ b/dropcount.sh @@ -1,37 +1,45 @@ #!/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: $CNT" + if [ "$KEY" = "0" ]; then + echo -e "$CNT:\tInvalid packet length" + elif [ "$KEY" = "1" ]; then + echo -e "$CNT:\tInvalid VLAN tag" + elif [ "$KEY" = "2" ]; then + echo -e "$CNT:\tInvalid/rejected IHL IPv4 field" + elif [ "$KEY" = "3" ]; then + echo -e "$CNT:\tRejected IPv6 fragments" else - echo "$KEY: $CNT" + echo -en "$CNT:\t" + cat "$(dirname ${BASH_SOURCE[0]})/installed-rules.txt" | head -n $(( $KEY - 3 )) | tail -n1 fi fi CNT=0 } -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 $1 }') - ;; - esac - done +MAP_CONTENTS="$(bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do + bpftool map dump id "$IF" +done)" +echo "$MAP_CONTENTS" | { + declare -a COUNTS + KEY="" + while read LINE; do + case "$LINE" in + "key:") ;; + "value"*) + COUNTS["$KEY"]=$(( ${COUNTS["$KEY"]} + $(echo "$LINE" | awk '{ print "0x" $11 $10 $9 $8 $7 $6 $5 $4 }') )) + ;; + "Found "*) ;; + *) + KEY=$((16#$(echo "$LINE" | awk '{ print $4 $3 $2 $1 }'))) + if [ "$COUNTS["$KEY"]" = "" ]; then + COUNTS["$KEY"]=0 + fi + ;; + esac + done + for C in "${!COUNTS[@]}"; do + KEY=$C + CNT="${COUNTS["$KEY"]}" PRINTCNT - } -done + done +}