103 lines
3.3 KiB
Bash
Executable File
103 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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#!/bin/bash
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# Continuous traffic generator for OAI UE containers (no intervals, runs virtually forever).
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# Usage examples:
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# ./traffic_runner.sh --profile boring
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# PROFILE=bulk_download ./traffic_runner.sh
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set -euo pipefail
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PROFILE="${PROFILE:-}"
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# Fixed server coordinates
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IPERF_HOST_UDP="192.168.71.130"
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IPERF_HOST_TCP="192.168.71.130"
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OAITUN_IP="$(ip -o -4 addr show dev oaitun_ue1 | awk '{print $4}' | cut -d/ -f1)"
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# Per-UE port: derive from last octet of oaitun IP (12.1.1.x → port 5200+x)
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UE_OCTET="${OAITUN_IP##*.}"
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IPERF_PORT=$((5200 + UE_OCTET))
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# Very long duration to approximate "forever"
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LONG_T="${LONG_T:-86400}" # 24h (iperf3 max)
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# -------------- args --------------
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if [[ $# -gt 0 ]]; then
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case "$1" in
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--profile=*) PROFILE="${1#--profile=}"; shift ;;
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--profile) PROFILE="${2-}"; shift 2 ;;
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-p=*) PROFILE="${1#-p=}"; shift ;;
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-p) PROFILE="${2-}"; shift 2 ;;
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-*) ;; # ignore other flags
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*) PROFILE="$1"; shift ;;
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esac
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fi
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[[ -n "$PROFILE" ]] || { echo "ERROR: --profile is required" >&2; exit 2; }
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iperf_tcp_dl_forever() { ( iperf -c "$IPERF_HOST_TCP" -B "$OAITUN_IP" -p "$IPERF_PORT" -R -t "$LONG_T" >/dev/null 2>&1 ); }
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iperf_tcp_ul_forever() { ( iperf -c "$IPERF_HOST_TCP" -B "$OAITUN_IP" -p "$IPERF_PORT" -t "$LONG_T" >/dev/null 2>&1 ); }
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# Use iperf3 for UDP DL — iperf2 -R does not properly pass -b bandwidth to server
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iperf_udp_dl_forever() { ( iperf3 -u -c "$IPERF_HOST_UDP" -B "$OAITUN_IP" -p "$IPERF_PORT" -R -b $1 -t "$LONG_T" >/dev/null 2>&1 ); }
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iperf_udp_ul_forever() { ( iperf3 -u -c "$IPERF_HOST_UDP" -B "$OAITUN_IP" -p "$IPERF_PORT" -b $1 -t "$LONG_T" >/dev/null 2>&1 ); }
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iperf_tcp_dl_parallel_forever() { ( iperf -c "$IPERF_HOST_TCP" -B "$OAITUN_IP" -p "$IPERF_PORT" -R -w 10M -P 8 -t "$LONG_T" >/dev/null 2>&1 ); }
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# ---------------- profiles ----------------
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do_boring() {
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# iperf_tcp_dl_parallel_forever
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iperf_udp_dl_forever 8M
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wait
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# iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -u -b 25M -t "$LONG_T"
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}
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do_browsing() {
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iperf_tcp_dl_forever
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iperf_tcp_ul_forever
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wait
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}
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do_video() {
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iperf_udp_dl_forever 6M
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wait
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}
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do_bulk_download() {
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iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -R -P 8 -w 1M -t "$LONG_T"
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wait
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}
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do_voip() {
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iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -R -u -b 80K -t "$LONG_T";
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iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -u -b 80K -t "$LONG_T";
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wait
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}
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do_iot_chatty() {
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iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -R -u -b 40K -t "$LONG_T";
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iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -u -b 20K -t "$LONG_T";
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wait
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}
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do_gaming() {
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iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -R -u -b 120K -t "$LONG_T";
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iperf -c "$IPERF_HOST" -p "$IPERF_PORT" -B "$OAITUN_IP" -u -b 10K -t "$LONG_T";
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wait
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}
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do_idle() {
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tail -f /dev/null
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}
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# -------------- dispatch --------------
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case "$PROFILE" in
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boring) do_boring;;
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browsing) do_browsing;;
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video) do_video;;
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bulk_download) do_bulk_download;;
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voip) do_voip;;
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iot_chatty) do_iot_chatty;;
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gaming) do_gaming;;
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idle) do_idle;;
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*) echo "Unknown profile: $PROFILE" >&2; exit 1;;
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esac
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