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Add unique RA/TA pair counting to test_monitor_tshark.sh 

Display unique RA/TA pairs with frame counts, sorted by count (descending).
This helps identify which devices are communicating with each other and
the volume of traffic between each pair.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Robert McMahon 2026-02-13 14:08:25 -08:00
parent 39058bdbf3
commit 84a16cf62b
1 changed files with 25 additions and 0 deletions
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25
test_monitor_tshark.sh
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@ -211,6 +211,31 @@ if [ -n "$PACKET_LINES" ] && [ "$FINAL_COUNT" -gt 0 ]; then
$1, ra, ta, type, subtype, radiotap
}'
echo ""
# Count unique RA/TA pairs
echo "Unique RA/TA pairs (with counts):"
UNIQUE_PAIRS=$(echo "$PACKET_LINES" | awk -F'\t' '{
ra = ($3 != "" && $3 != "-") ? $3 : "N/A"
ta = ($4 != "" && $4 != "-") ? $4 : "N/A"
if (ra != "N/A" || ta != "N/A") {
pair = ra " -> " ta
count[pair]++
}
}
END {
for (pair in count) {
printf "%d\t%s\n", count[pair], pair
}
}' | sort -rn)
if [ -n "$UNIQUE_PAIRS" ]; then
echo "$UNIQUE_PAIRS" | awk -F'\t' '{
printf " %s: %d frame(s)\n", $2, $1
}'
else
echo " (no valid RA/TA pairs found)"
fi
echo ""
else
echo "(No packets captured)"
echo ""