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19 lines
528 B
Awk
19 lines
528 B
Awk
$6 ~ /^ack/ && $5 !~ /[SFR]/ {
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# given a tcpdump ftp trace, output one line for each ack
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# in the form
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# <ack time> <seq no>
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# where <ack time> is the time packet was acked (in seconds with
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# zero at time of first packet) and <seq no> is the tcp sequence
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# number of the ack divided by 1024 (i.e., Kbytes acked).
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#
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# convert time to seconds
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n = split ($1,t,":")
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tim = t[1]*3600 + t[2]*60 + t[3]
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if (! tzero) {
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tzero = tim
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OFS = "\t"
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}
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# get packet sequence number
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printf "%7.2f\t%g\n", tim-tzero, $7/1024
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}
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