Created
February 27, 2020 12:11
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#!/bin/bash | |
csv=$1 | |
read -d '' prog <<'EOT' | |
function get_var(array, name, convert_bps) { | |
for (i in array) { | |
if (array[i] ~ name) { | |
value = gensub("^"name":", "", "g", array[i]) | |
if (convert_bps) { | |
suffix = gensub(".+([GMK]bps)$", "\\\\1", "g", value) | |
value = gensub("[GMK]bps$", "", "g", value) | |
if (suffix == "Gbps") { | |
value = value * 1000000 | |
} else if (suffix == "Mbps") { | |
value = value * 1000 | |
} | |
} | |
return value | |
} | |
} | |
} | |
{ | |
if ($1 == "ESTAB") { | |
dest_ip_port = gensub(/[\\[:f]+([0-9\\.]+)\\]:([0-9]+)/, "\\\\1:\\\\2", "g", $5) | |
} else { | |
gsub(/^[ \\t]+/, "", $0) | |
$0=gensub(/ ([0-9\\.]+[GMKbps]+)/, ":\\\\1", "g", $0) | |
split($0, vars, " ") | |
cc = $1 | |
split(get_var(vars, "rtt"), rttv, "/") | |
rtt = rttv[1] | |
rtt_dev = rttv[2] | |
rtt_min = get_var(vars, "minrtt") | |
cwnd = int(get_var(vars, "cwnd")) | |
bytes_sent = int(get_var(vars, "bytes_sent")) | |
bytes_retrans = int(get_var(vars, "bytes_retrans")) | |
bytes_received = int(get_var(vars, "bytes_received")) | |
delivery_rate = get_var(vars, "delivery_rate", 1) | |
if (bytes_sent > min_bytes_sent) { | |
#for (i in vars) print vars[i] | |
if (csv) { | |
out = sprintf("%s,%s,%s,%s,%s,%s,%s,%s,%s", \ | |
cc, rtt, rtt_dev, rtt_min, cwnd, bytes_sent, bytes_retrans, bytes_received, delivery_rate) | |
} else { | |
out = sprintf("%s rtt/dev/min=%s/%s/%s cwnd=%s sent=%0.2fMB retrans=%.2fMB received=%.2fMB rate=%sKbps", \ | |
cc, rtt, rtt_dev, rtt_min, cwnd, | |
bytes_sent / 1000000, bytes_retrans / 1000000, bytes_received / 1000000, delivery_rate) | |
} | |
arr[dest_ip_port] = out | |
} | |
} | |
} END { | |
if (csv) { | |
ts = strftime("%s", systime()) | |
for (i in arr) { | |
print sprintf("%s,%s,%s", ts, i, arr[i]) | |
} | |
} else{ | |
for (i in arr) { | |
print i, arr[i] | |
} | |
} | |
} | |
EOT | |
#echo "$prog" | |
if [ "x$1" == "x1" ]; then | |
echo "ts,dest,cc,rtt,rtt_min,cwnd,sent_bytes,retrans_bytes,received_bytes,rate_kbps" | |
fi | |
while true; do | |
ss -Hnit | awk -v min_bytes_sent=10 -v csv=$csv "$prog" | |
sleep 1 | |
done |
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Save as
socket_stats.sh
.Launch using
./socket_stats.sh 1
for csv output.