BEGIN {
|
# we need to know (usual) packet size to convert byte numbers
|
# to packet numbers
|
if (packetsize <= 0)
|
packetsize = 512
|
}
|
$5 !~ /[SR]/ {
|
# print out per-packet data in the form:
|
# <packet #>
|
# <start sequence #>
|
# <1st send time>
|
# <last send time>
|
# <1st ack time>
|
# <last ack time>
|
# <# sends>
|
# <# acks>
|
|
n = split ($1,t,":")
|
tim = t[1]*3600 + t[2]*60 + t[3]
|
if ($6 != "ack") {
|
i = index($6,":")
|
strtSeq = substr($6,1,i-1)
|
id = 1.5 + (strtSeq - 1) / packetsize
|
id -= id % 1
|
if (maxId < id)
|
maxId = id
|
if (firstSend[id] == 0) {
|
firstSend[id] = tim
|
seqNo[id] = strtSeq
|
}
|
lastSend[id] = tim
|
timesSent[id]++
|
totalPackets++
|
} else {
|
id = 1 + ($7 - 2) / packetsize
|
id -= id % 1
|
timesAcked[id]++
|
if (firstAck[id] == 0)
|
firstAck[id] = tim
|
lastAck[id] = tim
|
totalAcks++
|
}
|
}
|
END {
|
print "# " maxId " chunks. " totalPackets " packets sent. " \
|
totalAcks " acks."
|
# for packets that were implicitly acked, make the ack time
|
# be the ack time of next explicitly acked packet.
|
for (i = maxId-1; i > 0; --i)
|
while (i > 0 && firstAck[i] == 0) {
|
lastAck[i] = firstAck[i] = firstAck[i+1]
|
--i
|
}
|
tzero = firstSend[1]
|
for (i = 1; i <= maxId; i++)
|
printf "%d\t%d\t%.2f\t%.2f\t%.2f\t%.2f\t%d\t%d\n",\
|
i, seqNo[i], \
|
firstSend[i] - tzero, lastSend[i] - tzero,\
|
firstAck[i] - tzero, lastAck[i] - tzero,\
|
timesSent[i], timesAcked[i]
|
}
|
