setup-moongen.sh

#!/bin/bash

# cellular-satcom-emulator : Multipath Cellular and Satellite Emulation Testbed
# Copyright (C) 2023 Kaushik Chavali
# 
# This file is part of the cellular-satcom-emulator.
#
# cellular-satcom-emulator is free software: you can redistribute it 
# and/or modify it under the terms of the GNU General Public License 
# as published by the Free Software Foundation, either version 3 of 
# the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# moon_setup_moongen()
function moon_setup_moongen() {
    local output_dir="${1:-.}"
    local run_id="${2:-manual}"

    # Start MoonGen LTE emulation
    log D "Emulating LTE link with defaults"
    sudo killall lte-emulation -q
    tmux -L ${TMUX_SOCKET} new-session -s lte-emulation -d "sudo bash"
    sleep $TMUX_INIT_WAIT
    tmux -L ${TMUX_SOCKET} send-keys -t lte-emulation "sudo ${MOONGEN_BIN} ${MOONGEN_SCRIPT_DIR}/${MOONGEN_SCRIPT} -d ${DEV_0} ${DEV_1} -r ${RATE_DL} ${RATE_UL} -l ${LATENCY_DL} ${LATENCY_UL} -q ${QDEPTH_DL} ${QDEPTH_UL} -u ${CATCHUP_RATE_DL} ${CATCHUP_RATE_UL} -c ${CONCEALED_LOSS_DL} ${CONCEALED_LOSS_UL} -o ${LOSS_DL} ${LOSS_UL} --variable_delay ${VAR_LATENCY_UL} ${VAR_LATENCY_DL} --variable_rate ${VAR_RATE_UL} ${VAR_RATE_DL} --ho_pcm ${HO_PCM} --ho_frequency ${HO_FREQ_MEAN} ${HO_FREQ_VARIANCE} > '${output_dir}/${run_id}_moongen.log'" Enter
}

# 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"
    }

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

    moon_setup_moongen "$@"
fi