tools/testing/selftests/net/toeplitz_client.sh

   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