#!/bin/bash

#

# NIST-developed software is provided by NIST as a public service. You may use,

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APTVARS="NEEDRESTART_MODE=l NEEDRESTART_SUSPEND=1 DEBIAN_FRONTEND=noninteractive"

if ! command -v realpath &>/dev/null; then

echo "Package \"coreutils\" not found, installing..."

sudo env $APTVARS apt-get install -y coreutils

fi

SCRIPT_DIR=$(dirname "$(realpath "$0")")

cd "$SCRIPT_DIR"

RUNNING_UE_NUMBERS=()

# Attempt to extract the UE number from the configuration file path

while read -r LINE; do

UE_NUMBER=$(echo "$LINE" | grep -oP "configs/ue\K\d+\.conf" | sed 's/.conf//')

if [[ -n $UE_NUMBER ]]; then

# Add to array only if not already present

if [[ ! " ${RUNNING_UE_NUMBERS[@]} " =~ " ue$UE_NUMBER " ]]; then

RUNNING_UE_NUMBERS+=("ue$UE_NUMBER")

fi

fi

done < <(pgrep -af "srsue --config_file" | grep "configs/ue")

# Check if the UE is running

if [ ${#RUNNING_UE_NUMBERS[@]} -gt 0 ]; then

echo "User Equipment: RUNNING (${RUNNING_UE_NUMBERS[*]})"

else

if pgrep -x "srsue" >/dev/null; then

echo "User Equipment: RUNNING"

else

echo "User Equipment: NOT_RUNNING"

fi

fi