run-oai

#!/bin/bash

use_strace=false
use_valgrind=false

while (( $# > 0 )); do
    case "$1" in
      (--strace)
          use_strace=true
          shift
          ;;
      (--valgrind)
          use_valgrind=true
          shift
          ;;
      (*)
          break
          ;;
    esac
done

if (( $# == 0 )); then
    echo >&2 "usage: ${0##*/} enb|ue|gnb|nrue [softmodem-args...]"
    exit 1
fi
node_type=$1; shift

proxy_dir=$(dirname "$0")        # e.g., ~/oai-lte-multi-ue-proxy

cd "$proxy_dir/../openairinterface5g" || exit
source oaienv
cd cmake_targets || exit

# Enable extra run-time checking in malloc/free.  See malopt(3)
export MALLOC_CHECK_=3

case "$node_type" in
    (enb)
        echo "Node $NODE_NUMBER: eNB"
        cmd=(
            # Keep the eNB on processor 1 (the second processor) by default
            taskset --cpu-list 1
            ./ran_build/build/lte-softmodem
            -O ../ci-scripts/conf_files/untested/episci/proxy_rcc.band7.tm1.nfapi.conf
            --noS1
            --emulate-l1
            --log_config.global_log_options level,nocolor,time,thread_id
        )
        ;;

    (gnb)
        echo "Node $NODE_NUMBER: gNB"
        sudo ifconfig lo: 127.0.0.2 down >&/dev/null
        sudo ifconfig lo: 127.0.0.2 up || exit
        if [[ " $* " = *" --sa "* ]]; then
            conf=proxy_gnb.band78.sa.fr1.106PRB.usrpn310.conf
        else
            conf=proxy_rcc.band78.tm1.106PRB.nfapi.conf
        fi
        cmd=(
            # Keep the gNB on processor 1 (the second processor) by default
            taskset --cpu-list 1
            ./ran_build/build/nr-softmodem
            -O "../ci-scripts/conf_files/untested/$conf"
            --nfapi VNF
            --noS1
            --emulate-l1
            --log_config.global_log_options level,nocolor,time,thread_id
        )
        ;;

    (ue)
        echo "Node $NODE_NUMBER: UE"

        # First processor (#0) is for proxy.
        # Second processor (#1) is for eNB and gNB.
        # Remaining processors (#2-N) are for the UEs and NRUEs, one (pair) per processor or
        # as best we can if there are more UE/NR pairs than processors
        num_cpus=$(grep -c ^processor /proc/cpuinfo)
        cpu=$(( (NODE_NUMBER - 2) % (num_cpus - 2) + 2 ))
        echo "Using CPU $cpu of $num_cpus for UE$((NODE_NUMBER - 1))"

        cmd=(
            taskset --cpu-list "$cpu"
            ./ran_build/build/lte-uesoftmodem
            -O ../ci-scripts/conf_files/untested/episci/proxy_ue.nfapi.conf
            --L2-emul 5
            --nokrnmod 1
            --noS1
            --num-ues 1
            --node-number "$NODE_NUMBER"
            --log_config.global_log_options level,nocolor,time,thread_id
        )
        ;;

    (nrue)
        echo "Node $NODE_NUMBER: NRUE"

        # First processor (#0) is for emane.
        # Second processor (#1) is for eNB and gNB.
        # Remaining processors (#2-N) are for the UEs and NRUEs, one (pair) per processor or
        # as best we can if there are more UE/NR pairs than processors
        num_cpus=$(grep -c ^processor /proc/cpuinfo)
        cpu=$(( (NODE_NUMBER - 2) % (num_cpus - 2) + 2 ))
        echo "Using CPU $cpu of $num_cpus for NRUE$((NODE_NUMBER - 1))"

        cmd=(
            taskset --cpu-list "$cpu"
            ./ran_build/build/nr-uesoftmodem
            -O ../ci-scripts/conf_files/untested/episci/proxy_nr-ue.nfapi.conf
            --nokrnmod 1
            --nfapi STANDALONE_PNF
            --node-number "$NODE_NUMBER"
            --emulate-l1
            --log_config.global_log_options level,nocolor,time,thread_id
        )
        ;;

    (*)
        echo >&2 "${0##*/}: Invalid node type '$node_type'"
        exit 1
        ;;
esac

if $use_strace; then
    cmd=(
        strace
        -f                      # trace child processes
        -o "strace-$NODE_NUMBER.out"
        "${cmd[@]}"
    )
fi

if $use_valgrind; then
    cmd=(
        valgrind
        --trace-children=yes
        --track-origins=yes
        --log-file="valgrind-$NODE_NUMBER.out"
        "${cmd[@]}"
    )
fi

# In case we're running with gprof profiling enabled.
# https://stackoverflow.com/questions/464116/any-way-to-specify-the-location-of-profile-data
export GMON_OUT_PREFIX=gmon-$NODE_NUMBER.out

# Enable core dumps.  You may want to set core_pattern:
#  sudo sh -c 'echo /tmp/coredump-%P > /proc/sys/kernel/core_pattern'
ulimit -c unlimited

set -x
sudo -E "LD_LIBRARY_PATH=$PWD/ran_build/build:$LD_LIBRARY_PATH" "${cmd[@]}" "$@"