mirror of
https://github.com/paulscherrerinstitute/sf_daq_buffer.git
synced 2026-05-01 04:32:22 +02:00
lhdamiani
57 lines
1.4 KiB
Bash
Executable File
57 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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INTERFACES=("$@")
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echo $# interfaces will be analysed:
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# array of proc ids
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declare -a PROC_IDS=()
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# start tcpdump for the specified interfaces
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for i in "${INTERFACES[@]}"
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do
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if [ -f "$i".dump ]; then
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echo "Removing file $i.dump"
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rm "$i".dump
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fi
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if [ -f "$i".txt ]; then
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echo "Removing file $i.txt"
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rm $i.txt
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fi
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# starts the tcpdump for each interface
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echo "Starting tcpdump on $i..."
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#echo $i
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nohup tcpdump -i $i -enn -B 400000000 -w $i.dump &
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PROC_IDS+=($!)
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done
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# loop waiting to stop
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echo "Press ESC key to quit"
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# read a single character
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while read -r -n1 key
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do
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# if input == ESC key
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if [[ $key == $'\e' ]];
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then
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break;
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fi
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done
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# kills tcp dump processes
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for i in "${PROC_IDS[@]}"
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do
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echo Killing proccess with pid $i
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kill $i
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done
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# delete if previous report file exists
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report_filename='tcp_dump_report.txt'
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if [ -f $report_filename ]; then
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rm $report_filename
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# creates an empty file
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touch $report_filename
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fi
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touch $report_filename
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# converts raw to text and parses the file
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for i in "${INTERFACES[@]}"
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do
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echo "Treating raw data into txt file and parsing relevant info..."
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tcpdump -r $i.dump > $i.txt && cat $i.txt | awk '{print $5" "$8}' | awk -F. '{print $4}' | awk -F: '{print $1" "$2}' | sort | uniq -c >> $report_filename && sed '/length/d' -i $report_filename
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done
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echo "Finishing tcpdump analysis..." |