| #!/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 |