name : toeplitz_client.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # A simple program for generating traffic for the toeplitz test. # # This program sends packets periodically for, conservatively, 20 seconds. The # intent is for the calling program to kill this program once it is no longer # needed, rather than waiting for the 20 second expiration. send_traffic() { expiration=$((SECONDS+20)) while [[ "${SECONDS}" -lt "${expiration}" ]] do if [[ "${PROTO}" == "-u" ]]; then echo "msg $i" | nc "${IPVER}" -u -w 0 "${ADDR}" "${PORT}" else echo "msg $i" | nc "${IPVER}" -w 0 "${ADDR}" "${PORT}" fi sleep 0.001 done } PROTO=$1 IPVER=$2 ADDR=$3 PORT=$4 send_traffic