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authorpst <pst@FreeBSD.org>1996-08-19 20:34:12 +0000
committerpst <pst@FreeBSD.org>1996-08-19 20:34:12 +0000
commit97a804ef88319863cfa8146c068ec895f4ad8316 (patch)
treea0e1430e0d74185364854779b70e6d96aba9cf47 /contrib/tcpdump/atime.awk
downloadFreeBSD-src-97a804ef88319863cfa8146c068ec895f4ad8316.zip
FreeBSD-src-97a804ef88319863cfa8146c068ec895f4ad8316.tar.gz
Virgin import of unmodified tcpdump v3.2.1 distribution from LBL.
Obtained from: ftp://ftp.ee.lbl.gov/tcpdump.tar.Z on 19-Aug-1996.
Diffstat (limited to 'contrib/tcpdump/atime.awk')
-rw-r--r--contrib/tcpdump/atime.awk18
1 files changed, 18 insertions, 0 deletions
diff --git a/contrib/tcpdump/atime.awk b/contrib/tcpdump/atime.awk
new file mode 100644
index 0000000..b42dec2
--- /dev/null
+++ b/contrib/tcpdump/atime.awk
@@ -0,0 +1,18 @@
+$6 ~ /^ack/ && $5 !~ /[SFR]/ {
+ # given a tcpdump ftp trace, output one line for each ack
+ # in the form
+ # <ack time> <seq no>
+ # where <ack time> is the time packet was acked (in seconds with
+ # zero at time of first packet) and <seq no> is the tcp sequence
+ # number of the ack divided by 1024 (i.e., Kbytes acked).
+ #
+ # 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
+ printf "%7.2f\t%g\n", tim-tzero, $7/1024
+ }
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