run-ping.sh

#!/bin/bash

# _osnd_ping_measure(output_dir, run_id)
# Run a single ping measurement and place the results in output_dir.
function _osnd_ping_measure() {
	local output_dir="$1"
	local run_id=$2
	local timeout=110

	log I "Running ping"
	sudo timeout --foreground $timeout ip netns exec osnd-cl ping -n -W 8 -c 10000 -l 100 -i 0.01 ${SV_LAN_SERVER_IP%%/*} >"${output_dir}/$run_id.txt"
	local status=$?

	# Check for error, report if any
	if [ "$status" -ne 0 ]; then
		local emsg="ping exited with status $status"
		if [ "$status" -eq 124 ]; then
			emsg="${emsg} (timeout)"
		fi
		log E "$emsg"
	fi
	log D "ping done"

	return $status
}

# osnd_measure_ping(scenario_config_ref, output_dir, run_cnt=1)
# Run all ping measurements and place the results in output_dir.
function osnd_measure_ping() {
	local scenario_config_ref=$1
	local output_dir="$2"
	local run_cnt=${3:-1}

	for i in $(seq $run_cnt); do
		log I "Ping run $i/$run_cnt"
		local run_id="ping_$i"

		osnd_setup $scenario_config_ref "$output_dir" "$run_id" "false"
		sleep $MEASURE_WAIT
		_osnd_ping_measure "$output_dir" "$run_id"
		sleep $MEASURE_GRACE
		osnd_teardown
		sleep $RUN_WAIT
	done

	sleep 3
}

# If script is executed directly
if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then
	declare -F log >/dev/null || function log() {
		local level="$1"
		local msg="$2"

		echo "[$level] $msg"
	}
	declare -A scenario_config

	export SCRIPT_VERSION="manual"
	export SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
	set -a
	source "${SCRIPT_DIR}/env.sh"
	set +a

	if [[ "$@" ]]; then
		osnd_measure_ping scenario_config "$@"
	else
		osnd_measure_ping scenario_config "."
	fi
fi