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278 lines
6.9 KiB
Bash
278 lines
6.9 KiB
Bash
#!/bin/bash
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#
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# Copyright 2013-2020 Software Radio Systems Limited
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#
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# This file is part of srsLTE
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#
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# srsLTE is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# srsLTE is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# A copy of the GNU Affero General Public License can be found in
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# the LICENSE file in the top-level directory of this distribution
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# and at http://www.gnu.org/licenses/.
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#
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epc_pid=0
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enb_pid=0
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ue_pid=0
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print_use(){
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echo "Please call script with srsLTE build path as first argument and number of PRBs as second"
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echo "E.g. ./run_lte.sh [build_path] [nof_prb]"
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exit -1
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}
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kill_lte(){
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echo "Shutting down LTE network"
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# Allow to gracefully exit
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kill -SIGTERM $ue_pid
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sleep 4
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kill -SIGTERM $enb_pid
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sleep 4
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kill -SIGTERM $epc_pid
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sleep 1
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# Force kill if they are still running
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if ps -p $ue_pid > /dev/null
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then
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echo "Killing UE"
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kill -9 $ue_pid
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fi
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if ps -p $enb_pid > /dev/null
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then
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echo "Killing eNB"
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kill -9 $enb_pid
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fi
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if ps -p $epc_pid > /dev/null
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then
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echo "Killing EPC"
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kill -9 $epc_pid
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fi
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if [ -f ./srsLTE.backtrace.crash ]; then
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echo "Rename backtrace"
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mv ./srsLTE.backtrace.crash srsLTE.backtrace.log
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fi
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# Delete netns
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ip netns delete $ue_netns
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# Don't exit with return code ..
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}
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valid_num_prb()
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{
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case "$1" in
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"6"|"15"|"25"|"50"|"75"|"100")
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return 0;;
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*)
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echo "Invalid number of PRBs. Possible values are [6, 15, 25, 50, 75, 100]."
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return 1;;
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esac
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}
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# check if build path has been passed
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if ([ ! $1 ])
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then
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print_use
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exit
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fi
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build_path="$1"
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# check number of PRBs
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if ([ ! $2 ])
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then
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print_use
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exit
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fi
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nof_prb="$2"
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# Check for LTE binaries in build path
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if [ ! -x "$build_path/srsenb/src/srsenb" ]; then
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echo "Error! srsENB binary not found or not executable!"
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exit 1
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fi
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if [ ! -x "$build_path/srsepc/src/srsepc" ]; then
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echo "Error! srsEPC binary not found or not executable!"
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exit 1
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fi
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if [ ! -x "$build_path/srsue/src/srsue" ]; then
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echo "Error! srsUE binary not found or not executable!"
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exit 1
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fi
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# Check PRB parameter
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if ! valid_num_prb "$nof_prb"; then
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exit 1
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fi
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# Adding netns
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ue_netns="ue1"
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ip netns add $ue_netns
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if [ $? -ne 0 ]
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then
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echo "Couldn't add netns. Missing permissions? Network namespace $ue_netns already exists?"
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exit 1
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fi
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epc_args="$build_path/../srsepc/epc.conf.example --log.filename=./${nof_prb}prb_epc.log"
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enb_args="$build_path/../srsenb/enb.conf.example --rf.device_name=zmq --rf.device_args=\"fail_on_disconnect=true,tx_port=tcp://*:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=23.04e6\" --expert.nof_phy_threads=1 --expert.rrc_inactivity_timer=1000 --enb.n_prb=$nof_prb --log.filename=./${nof_prb}prb_enb.log"
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ue_args="$build_path/../srsue/ue.conf.example --rf.device_name=zmq --rf.device_args=\"tx_port=tcp://*:2001,rx_port=tcp://localhost:2000,id=ue,base_srate=23.04e6\" --phy.nof_phy_threads=1 --gw.netns=$ue_netns --log.filename=./${nof_prb}prb_ue.log"
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# Remove existing log files
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log_files=$(ls -l | grep ${nof_prb}prb_)
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if [ ! -z "$log_files" ]; then
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echo "Deleting existing log files for ${nof_prb} PRB."
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eval "rm -Rf ${nof_prb}prb_*.log"
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fi
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# Run srsEPC
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echo "Starting srsEPC"
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screen -S srsepc -dm -L -Logfile ./${nof_prb}prb_screenlog_srsepc.log $build_path/srsepc/src/srsepc $epc_args
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sleep 3
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epc_pid=$(pgrep srsepc)
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if [ -z "$epc_pid" ]
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then
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echo "Couldn't start EPC."
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kill_lte
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exit 1
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fi
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echo "srsEPC's PID is $epc_pid"
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# Run srsENB
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echo "Starting srsENB"
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screen -S srsenb -dm -L -Logfile ./${nof_prb}prb_screenlog_srsenb.log $build_path/srsenb/src/srsenb $enb_args
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sleep 2
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enb_pid=$(pgrep srsenb)
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if [ -z "$enb_pid" ]
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then
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echo "Couldn't start ENB"
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kill_lte
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exit 1
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fi
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echo "srsENB's PID is $enb_pid"
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# Run srsUE
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echo "Starting srsUE"
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screen -S srsue -dm -L -Logfile ${nof_prb}prb_screenlog_srsue.log $build_path/srsue/src/srsue $ue_args
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sleep 2
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ue_pid=$(pgrep srsue)
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if [ -z "$ue_pid" ]
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then
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echo "Couldn't start UE"
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kill_lte
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exit 1
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fi
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echo "srsUE's PID is $ue_pid"
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# Wait until UE is connected
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timeout=10
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tun_dev="tun_srsue"
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echo "Waiting for $tun_dev to become available for ${timeout}s .."
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wait_time=0
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ip=$(ip netns exec $ue_netns ip addr show $tun_dev | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)
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while [ -z $ip ] && [ $wait_time -ne $timeout ]
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do
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# Wait 1s before next attempt
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sleep 1
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let wait_time++
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ip=$(ip netns exec $ue_netns ip addr show $tun_dev | grep "inet\b" | awk '{print $2}' | cut -d/ -f1)
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done
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if [ ! -z $ip ]; then
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echo "$tun_dev is up with IP $ip!"
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sleep 1
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else
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echo "$tun_dev didn't get up after ${timeout}s"
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kill_lte
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exit 1
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fi
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# extract MME IP
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baseip=`echo $ip | cut -d"." -f1-3`
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mme_ip=$baseip".1"
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echo "MME IP is $mme_ip"
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# show UE console trace
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screen -S srsue -X stuff "t$(printf \\r)"
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# Run tests now
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# sleep 3s to get RRC connection release
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sleep 1.5
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# run UL ping test
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echo "Run UL ping"
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ip netns exec $ue_netns screen -dm -L -Logfile ./${nof_prb}prb_screenlog_ping_ul.log ping $mme_ip -c 3
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sleep 4
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# sleep 3s to get RRC connection release
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echo "Run DL ping"
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screen -dm -L -Logfile ./${nof_prb}prb_screenlog_ping_dl.log ping $ip -c 3
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sleep 4
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# run UDP DL
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echo "Run DL iperf"
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screen -dm -L -Logfile ./${nof_prb}prb_screenlog_iperf_dl.log iperf -c $ip -u -t 1 -i 1 -b 100M
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sleep 2
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# Stop all running LTE components and remove netns
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kill_lte
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# check ping results
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loss_rate=$(cat ./${nof_prb}prb_screenlog_ping_ul.log | grep -oP '\d+(?=% packet loss)')
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if [ "$loss_rate" != "0" ] 2>/dev/null; then
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echo "Error. Detected $loss_rate per-cent loss rate in UL ping."
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exit 1
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fi
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loss_rate=$(cat ./${nof_prb}prb_screenlog_ping_dl.log | grep -oP '\d+(?=% packet loss)')
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if [ "$loss_rate" != "0" ] 2>/dev/null; then
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echo "Error. Detected $loss_rate per-cent loss rate in DL ping."
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exit 1
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fi
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# check that all log files have "Closing log" as last line
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last_line=$(cat ./${nof_prb}prb_ue.log | tail -n1)
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if [ "$last_line" != "Closing log" ]; then
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echo "Error. srsUE didn't seem to have exited properly."
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exit 1
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fi
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last_line=$(cat ./${nof_prb}prb_enb.log | tail -n1)
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if [ "$last_line" != "Closing log" ]; then
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echo "Error. srsENB didn't seem to have exited properly."
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exit 1
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fi
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last_line=$(cat ./${nof_prb}prb_epc.log | tail -n1)
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if [ "$last_line" != "Closing log" ]; then
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echo "Error. srsEPC didn't seem to have exited properly."
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exit 1
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fi
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# Check PRACH results
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num_prach=$(cat ./${nof_prb}prb_screenlog_srsenb.log | grep RACH | wc -l)
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if [ "$loss_rate" != "5" ] 2>/dev/null; then
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echo "Error. Detected $num_prach PRACHs. But should be 5."
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exit 1
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fi
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echo "All tests passed!"
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exit 0
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