1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3 #
4 # A simple program for generating traffic for the toeplitz test.
5 #
6 # This program sends packets periodically for, conservatively, 20 seconds. The
7 # intent is for the calling program to kill this program once it is no longer
8 # needed, rather than waiting for the 20 second expiration.
9
10 send_traffic() {
11 expiration=$((SECONDS+20))
12 while [[ "${SECONDS}" -lt "${expiration}" ]]
13 do
14 if [[ "${PROTO}" == "-u" ]]; then
15 echo "msg $i" | nc "${IPVER}" -u -w 0 "${ADDR}" "${PORT}"
16 else
17 echo "msg $i" | nc "${IPVER}" -w 0 "${ADDR}" "${PORT}"
18 fi
19 sleep 0.001
20 done
21 }
22
23 PROTO=$1
24 IPVER=$2
25 ADDR=$3
26 PORT=$4
27
28 send_traffic
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