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