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srsRAN_4G/srsenb/src/main.cc

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/**
*
* \section COPYRIGHT
*
* Copyright 2013-2020 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#include <poll.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "srslte/common/common_helper.h"
#include "srslte/common/config_file.h"
#include "srslte/common/crash_handler.h"
#include "srslte/common/logger_srslog_wrapper.h"
#include "srslte/common/signal_handler.h"
#include "srslte/srslog/srslog.h"
#include <boost/program_options.hpp>
#include <boost/program_options/parsers.hpp>
#include <iostream>
#include <memory>
#include <srslte/common/string_helpers.h>
#include <string>
#include "srsenb/hdr/enb.h"
#include "srsenb/hdr/metrics_csv.h"
#include "srsenb/hdr/metrics_json.h"
#include "srsenb/hdr/metrics_stdout.h"
#include "srslte/common/enb_events.h"
using namespace std;
using namespace srsenb;
namespace bpo = boost::program_options;
/**********************************************************************
* Program arguments processing
***********************************************************************/
string config_file;
void parse_args(all_args_t* args, int argc, char* argv[])
{
string mcc;
string mnc;
string enb_id;
bool use_standard_lte_rates = false;
// Command line only options
bpo::options_description general("General options");
// clang-format off
general.add_options()
("help,h", "Produce help message")
("version,v", "Print version information and exit")
;
// Command line or config file options
bpo::options_description common("Configuration options");
common.add_options()
("enb.stack", bpo::value<string>(&args->stack.type)->default_value("lte"), "Type of the upper stack [lte, nr]")
("enb.enb_id", bpo::value<string>(&enb_id)->default_value("0x0"), "eNodeB ID")
("enb.name", bpo::value<string>(&args->stack.s1ap.enb_name)->default_value("srsenb01"), "eNodeB Name")
("enb.mcc", bpo::value<string>(&mcc)->default_value("001"), "Mobile Country Code")
("enb.mnc", bpo::value<string>(&mnc)->default_value("01"), "Mobile Network Code")
("enb.mme_addr", bpo::value<string>(&args->stack.s1ap.mme_addr)->default_value("127.0.0.1"),"IP address of MME for S1 connection")
("enb.gtp_bind_addr", bpo::value<string>(&args->stack.s1ap.gtp_bind_addr)->default_value("192.168.3.1"), "Local IP address to bind for GTP connection")
("enb.s1c_bind_addr", bpo::value<string>(&args->stack.s1ap.s1c_bind_addr)->default_value("192.168.3.1"), "Local IP address to bind for S1AP connection")
("enb.n_prb", bpo::value<uint32_t>(&args->enb.n_prb)->default_value(25), "Number of PRB")
("enb.nof_ports", bpo::value<uint32_t>(&args->enb.nof_ports)->default_value(1), "Number of ports")
("enb.tm", bpo::value<uint32_t>(&args->enb.transmission_mode)->default_value(1), "Transmission mode (1-8)")
("enb.p_a", bpo::value<float>(&args->enb.p_a)->default_value(0.0f), "Power allocation rho_a (-6, -4.77, -3, -1.77, 0, 1, 2, 3)")
("enb_files.sib_config", bpo::value<string>(&args->enb_files.sib_config)->default_value("sib.conf"), "SIB configuration files")
("enb_files.rr_config", bpo::value<string>(&args->enb_files.rr_config)->default_value("rr.conf"), "RR configuration files")
("enb_files.drb_config", bpo::value<string>(&args->enb_files.drb_config)->default_value("drb.conf"), "DRB configuration files")
("rf.dl_earfcn", bpo::value<uint32_t>(&args->enb.dl_earfcn)->default_value(0), "Force Downlink EARFCN for single cell")
("rf.srate", bpo::value<double>(&args->rf.srate_hz)->default_value(0.0), "Force Tx and Rx sampling rate in Hz")
("rf.rx_gain", bpo::value<float>(&args->rf.rx_gain)->default_value(50), "Front-end receiver gain")
("rf.tx_gain", bpo::value<float>(&args->rf.tx_gain)->default_value(70), "Front-end transmitter gain")
("rf.tx_gain[0]", bpo::value<float>(&args->rf.tx_gain_ch[0])->default_value(-1), "Front-end transmitter gain CH0")
("rf.tx_gain[1]", bpo::value<float>(&args->rf.tx_gain_ch[1])->default_value(-1), "Front-end transmitter gain CH1")
("rf.tx_gain[2]", bpo::value<float>(&args->rf.tx_gain_ch[2])->default_value(-1), "Front-end transmitter gain CH2")
("rf.tx_gain[3]", bpo::value<float>(&args->rf.tx_gain_ch[3])->default_value(-1), "Front-end transmitter gain CH3")
("rf.tx_gain[4]", bpo::value<float>(&args->rf.tx_gain_ch[4])->default_value(-1), "Front-end transmitter gain CH4")
("rf.dl_freq", bpo::value<float>(&args->rf.dl_freq)->default_value(-1), "Downlink Frequency (if positive overrides EARFCN)")
("rf.ul_freq", bpo::value<float>(&args->rf.ul_freq)->default_value(-1), "Uplink Frequency (if positive overrides EARFCN)")
("rf.device_name", bpo::value<string>(&args->rf.device_name)->default_value("auto"), "Front-end device name")
("rf.device_args", bpo::value<string>(&args->rf.device_args)->default_value("auto"), "Front-end device arguments")
("rf.time_adv_nsamples", bpo::value<string>(&args->rf.time_adv_nsamples)->default_value("auto"), "Transmission time advance")
("gui.enable", bpo::value<bool>(&args->gui.enable)->default_value(false), "Enable GUI plots")
/* Log section */
("log.rf_level", bpo::value<string>(&args->rf.log_level), "RF log level")
("log.phy_level", bpo::value<string>(&args->phy.log.phy_level), "PHY log level")
("log.phy_hex_limit", bpo::value<int>(&args->phy.log.phy_hex_limit), "PHY log hex dump limit")
("log.phy_lib_level", bpo::value<string>(&args->phy.log.phy_lib_level)->default_value("none"), "PHY lib log level")
("log.mac_level", bpo::value<string>(&args->stack.log.mac_level), "MAC log level")
("log.mac_hex_limit", bpo::value<int>(&args->stack.log.mac_hex_limit), "MAC log hex dump limit")
("log.rlc_level", bpo::value<string>(&args->stack.log.rlc_level), "RLC log level")
("log.rlc_hex_limit", bpo::value<int>(&args->stack.log.rlc_hex_limit), "RLC log hex dump limit")
("log.pdcp_level", bpo::value<string>(&args->stack.log.pdcp_level), "PDCP log level")
("log.pdcp_hex_limit",bpo::value<int>(&args->stack.log.pdcp_hex_limit), "PDCP log hex dump limit")
("log.rrc_level", bpo::value<string>(&args->stack.log.rrc_level), "RRC log level")
("log.rrc_hex_limit", bpo::value<int>(&args->stack.log.rrc_hex_limit), "RRC log hex dump limit")
("log.gtpu_level", bpo::value<string>(&args->stack.log.gtpu_level), "GTPU log level")
("log.gtpu_hex_limit",bpo::value<int>(&args->stack.log.gtpu_hex_limit), "GTPU log hex dump limit")
("log.s1ap_level", bpo::value<string>(&args->stack.log.s1ap_level), "S1AP log level")
("log.s1ap_hex_limit",bpo::value<int>(&args->stack.log.s1ap_hex_limit), "S1AP log hex dump limit")
("log.stack_level", bpo::value<string>(&args->stack.log.stack_level), "Stack log level")
("log.stack_hex_limit",bpo::value<int>(&args->stack.log.stack_hex_limit), "Stack log hex dump limit")
("log.all_level", bpo::value<string>(&args->log.all_level)->default_value("info"), "ALL log level")
("log.all_hex_limit", bpo::value<int>(&args->log.all_hex_limit)->default_value(32), "ALL log hex dump limit")
("log.filename", bpo::value<string>(&args->log.filename)->default_value("/tmp/ue.log"),"Log filename")
("log.file_max_size", bpo::value<int>(&args->log.file_max_size)->default_value(-1), "Maximum file size (in kilobytes). When passed, multiple files are created. Default -1 (single file)")
/* PCAP */
("pcap.enable", bpo::value<bool>(&args->stack.mac_pcap.enable)->default_value(false), "Enable MAC packet captures for wireshark")
("pcap.filename", bpo::value<string>(&args->stack.mac_pcap.filename)->default_value("enb_mac.pcap"), "MAC layer capture filename")
("pcap.s1ap_enable", bpo::value<bool>(&args->stack.s1ap_pcap.enable)->default_value(false), "Enable S1AP packet captures for wireshark")
("pcap.s1ap_filename", bpo::value<string>(&args->stack.s1ap_pcap.filename)->default_value("enb_s1ap.pcap"), "S1AP layer capture filename")
/* Scheduling section */
("scheduler.policy", bpo::value<string>(&args->stack.mac.sched.sched_policy)->default_value("time_pf"), "DL and UL data scheduling policy (E.g. time_rr, time_pf)")
("scheduler.policy_args", bpo::value<string>(&args->stack.mac.sched.sched_policy_args)->default_value("2"), "Scheduler policy-specific arguments")
("scheduler.pdsch_mcs", bpo::value<int>(&args->stack.mac.sched.pdsch_mcs)->default_value(-1), "Optional fixed PDSCH MCS (ignores reported CQIs if specified)")
("scheduler.pdsch_max_mcs", bpo::value<int>(&args->stack.mac.sched.pdsch_max_mcs)->default_value(-1), "Optional PDSCH MCS limit")
("scheduler.pusch_mcs", bpo::value<int>(&args->stack.mac.sched.pusch_mcs)->default_value(-1), "Optional fixed PUSCH MCS (ignores reported CQIs if specified)")
("scheduler.pusch_max_mcs", bpo::value<int>(&args->stack.mac.sched.pusch_max_mcs)->default_value(-1), "Optional PUSCH MCS limit")
("scheduler.max_aggr_level", bpo::value<int>(&args->stack.mac.sched.max_aggr_level)->default_value(-1), "Optional maximum aggregation level index (l=log2(L)) ")
("scheduler.max_nof_ctrl_symbols", bpo::value<uint32_t>(&args->stack.mac.sched.max_nof_ctrl_symbols)->default_value(3), "Number of control symbols")
("scheduler.min_nof_ctrl_symbols", bpo::value<uint32_t>(&args->stack.mac.sched.min_nof_ctrl_symbols)->default_value(1), "Minimum number of control symbols")
/* Downlink Channel emulator section */
("channel.dl.enable", bpo::value<bool>(&args->phy.dl_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator")
("channel.dl.awgn.enable", bpo::value<bool>(&args->phy.dl_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator")
("channel.dl.awgn.snr", bpo::value<float>(&args->phy.dl_channel_args.awgn_snr_dB)->default_value(30.0f), "Target SNR in dB")
("channel.dl.fading.enable", bpo::value<bool>(&args->phy.dl_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model")
("channel.dl.fading.model", bpo::value<string>(&args->phy.dl_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)")
("channel.dl.delay.enable", bpo::value<bool>(&args->phy.dl_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator")
("channel.dl.delay.period_s", bpo::value<float>(&args->phy.dl_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)")
("channel.dl.delay.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds")
("channel.dl.delay.maximum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds")
("channel.dl.delay.minimum_us", bpo::value<float>(&args->phy.dl_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds")
("channel.dl.rlf.enable", bpo::value<bool>(&args->phy.dl_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator")
("channel.dl.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)")
("channel.dl.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.dl_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)")
("channel.dl.hst.enable", bpo::value<bool>(&args->phy.dl_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator")
("channel.dl.hst.period_s", bpo::value<float>(&args->phy.dl_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds")
("channel.dl.hst.fd_hz", bpo::value<float>(&args->phy.dl_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz")
("channel.dl.hst.init_time_s", bpo::value<float>(&args->phy.dl_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds")
/* Uplink Channel emulator section */
("channel.ul.enable", bpo::value<bool>(&args->phy.ul_channel_args.enable)->default_value(false), "Enable/Disable internal Downlink channel emulator")
("channel.ul.awgn.enable", bpo::value<bool>(&args->phy.ul_channel_args.awgn_enable)->default_value(false), "Enable/Disable AWGN simulator")
("channel.ul.awgn.signal_power", bpo::value<float>(&args->phy.ul_channel_args.awgn_signal_power_dBfs)->default_value(30.0f), "Received signal power in decibels full scale (dBfs)")
("channel.ul.awgn.snr", bpo::value<float>(&args->phy.ul_channel_args.awgn_snr_dB)->default_value(30.0f), "Noise level in decibels full scale (dBfs)")
("channel.ul.fading.enable", bpo::value<bool>(&args->phy.ul_channel_args.fading_enable)->default_value(false), "Enable/Disable Fading model")
("channel.ul.fading.model", bpo::value<string>(&args->phy.ul_channel_args.fading_model)->default_value("none"), "Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)")
("channel.ul.delay.enable", bpo::value<bool>(&args->phy.ul_channel_args.delay_enable)->default_value(false), "Enable/Disable Delay simulator")
("channel.ul.delay.period_s", bpo::value<float>(&args->phy.ul_channel_args.delay_period_s)->default_value(3600), "Delay period in seconds (integer)")
("channel.ul.delay.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.delay_init_time_s)->default_value(0), "Initial time in seconds")
("channel.ul.delay.maximum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_max_us)->default_value(100.0f), "Maximum delay in microseconds")
("channel.ul.delay.minimum_us", bpo::value<float>(&args->phy.ul_channel_args.delay_min_us)->default_value(10.0f), "Minimum delay in microseconds")
("channel.ul.rlf.enable", bpo::value<bool>(&args->phy.ul_channel_args.rlf_enable)->default_value(false), "Enable/Disable Radio-Link Failure simulator")
("channel.ul.rlf.t_on_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_on_ms)->default_value(10000), "Time for On state of the channel (ms)")
("channel.ul.rlf.t_off_ms", bpo::value<uint32_t >(&args->phy.ul_channel_args.rlf_t_off_ms)->default_value(2000), "Time for Off state of the channel (ms)")
("channel.ul.hst.enable", bpo::value<bool>(&args->phy.ul_channel_args.hst_enable)->default_value(false), "Enable/Disable HST simulator")
("channel.ul.hst.period_s", bpo::value<float>(&args->phy.ul_channel_args.hst_period_s)->default_value(7.2f), "HST simulation period in seconds")
("channel.ul.hst.fd_hz", bpo::value<float>(&args->phy.ul_channel_args.hst_fd_hz)->default_value(+750.0f), "Doppler frequency in Hz")
("channel.ul.hst.init_time_s", bpo::value<float>(&args->phy.ul_channel_args.hst_init_time_s)->default_value(0), "Initial time in seconds")
/* Expert section */
("expert.metrics_period_secs", bpo::value<float>(&args->general.metrics_period_secs)->default_value(1.0), "Periodicity for metrics in seconds")
("expert.metrics_csv_enable", bpo::value<bool>(&args->general.metrics_csv_enable)->default_value(false), "Write metrics to CSV file")
("expert.metrics_csv_filename", bpo::value<string>(&args->general.metrics_csv_filename)->default_value("/tmp/enb_metrics.csv"), "Metrics CSV filename")
("expert.pusch_max_its", bpo::value<int>(&args->phy.pusch_max_its)->default_value(8), "Maximum number of turbo decoder iterations")
("expert.pusch_8bit_decoder", bpo::value<bool>(&args->phy.pusch_8bit_decoder)->default_value(false), "Use 8-bit for LLR representation and turbo decoder trellis computation (Experimental)")
("expert.pusch_meas_evm", bpo::value<bool>(&args->phy.pusch_meas_evm)->default_value(false), "Enable/Disable PUSCH EVM measure")
("expert.tx_amplitude", bpo::value<float>(&args->phy.tx_amplitude)->default_value(0.6), "Transmit amplitude factor")
("expert.nof_phy_threads", bpo::value<uint32_t>(&args->phy.nof_phy_threads)->default_value(3), "Number of PHY threads")
("expert.nof_prach_threads", bpo::value<uint32_t>(&args->phy.nof_prach_threads)->default_value(1), "Number of PRACH workers per carrier. Only 1 or 0 is supported")
("expert.max_prach_offset_us", bpo::value<float>(&args->phy.max_prach_offset_us)->default_value(30), "Maximum allowed RACH offset (in us)")
("expert.equalizer_mode", bpo::value<string>(&args->phy.equalizer_mode)->default_value("mmse"), "Equalizer mode")
("expert.estimator_fil_w", bpo::value<float>(&args->phy.estimator_fil_w)->default_value(0.1), "Chooses the coefficients for the 3-tap channel estimator centered filter.")
("expert.lte_sample_rates", bpo::value<bool>(&use_standard_lte_rates)->default_value(false), "Whether to use default LTE sample rates instead of shorter variants.")
("expert.report_json_enable", bpo::value<bool>(&args->general.report_json_enable)->default_value(false), "Write eNB report to JSON file")
("expert.report_json_filename", bpo::value<string>(&args->general.report_json_filename)->default_value("/tmp/enb_report.json"), "Report JSON filename")
("expert.alarms_log_enable", bpo::value<bool>(&args->general.alarms_log_enable)->default_value(false), "Log alarms")
("expert.alarms_filename", bpo::value<string>(&args->general.alarms_filename)->default_value("/tmp/enb_alarms.log"), "Alarms filename")
("expert.rrc_inactivity_timer", bpo::value<uint32_t>(&args->general.rrc_inactivity_timer)->default_value(30000), "Inactivity timer in ms.")
("expert.print_buffer_state", bpo::value<bool>(&args->general.print_buffer_state)->default_value(false), "Prints on the console the buffer state every 10 seconds")
("expert.eea_pref_list", bpo::value<string>(&args->general.eea_pref_list)->default_value("EEA0, EEA2, EEA1"), "Ordered preference list for the selection of encryption algorithm (EEA) (default: EEA0, EEA2, EEA1).")
("expert.eia_pref_list", bpo::value<string>(&args->general.eia_pref_list)->default_value("EIA2, EIA1, EIA0"), "Ordered preference list for the selection of integrity algorithm (EIA) (default: EIA2, EIA1, EIA0).")
("expert.max_nof_ues", bpo::value<uint32_t>(&args->stack.mac.max_nof_ues)->default_value(64), "Maximum number of connected UEs")
// eMBMS section
("embms.enable", bpo::value<bool>(&args->stack.embms.enable)->default_value(false), "Enables MBMS in the eNB")
("embms.m1u_multiaddr", bpo::value<string>(&args->stack.embms.m1u_multiaddr)->default_value("239.255.0.1"), "M1-U Multicast address the eNB joins.")
("embms.m1u_if_addr", bpo::value<string>(&args->stack.embms.m1u_if_addr)->default_value("127.0.1.201"), "IP address of the interface the eNB will listen for M1-U traffic.")
("embms.mcs", bpo::value<uint16_t>(&args->stack.embms.mcs)->default_value(20), "Modulation and Coding scheme of MBMS traffic.")
// NR section
("scheduler.tb_len", bpo::value<int>(&args->stack.mac.nr_tb_size)->default_value(1520), "Default TB size")
// VNF params
("vnf.type", bpo::value<string>(&args->phy.vnf_args.type)->default_value("gnb"), "VNF instance type [gnb,ue]")
("vnf.addr", bpo::value<string>(&args->phy.vnf_args.bind_addr)->default_value("localhost"), "Address to bind VNF interface")
("vnf.port", bpo::value<uint16_t>(&args->phy.vnf_args.bind_port)->default_value(3333), "Bind port")
("log.vnf_level", bpo::value<string>(&args->phy.vnf_args.log_level), "VNF log level")
("log.vnf_hex_limit", bpo::value<int>(&args->phy.vnf_args.log_hex_limit), "VNF log hex dump limit")
// Arguments for coreless operation
("coreless.ip_devname", bpo::value<string>(&args->stack.coreless.gw_args.tun_dev_name)->default_value("tun1"), "Name of the TUN device")
("coreless.ip_address", bpo::value<string>(&args->stack.coreless.ip_addr)->default_value("192.168.1.1"), "IP address of the TUN device")
("coreless.ip_netmask", bpo::value<string>(&args->stack.coreless.gw_args.tun_dev_netmask)->default_value("255.255.255.0"), "Netmask of the TUN device")
("coreless.drb_lcid", bpo::value<uint8_t>(&args->stack.coreless.drb_lcid)->default_value(4), "LCID of the dummy DRB")
("coreless.rnti", bpo::value<uint16_t >(&args->stack.coreless.rnti)->default_value(1234), "RNTI of the dummy user")
;
// Positional options - config file location
bpo::options_description position("Positional options");
position.add_options()
("config_file", bpo::value< string >(&config_file), "eNodeB configuration file")
;
// clang-format on
bpo::positional_options_description p;
p.add("config_file", -1);
// these options are allowed on the command line
bpo::options_description cmdline_options;
cmdline_options.add(common).add(position).add(general);
// parse the command line and store result in vm
bpo::variables_map vm;
try {
bpo::store(bpo::command_line_parser(argc, argv).options(cmdline_options).positional(p).run(), vm);
bpo::notify(vm);
} catch (bpo::error& e) {
cerr << e.what() << endl;
exit(1);
}
// help option was given - print usage and exit
if (vm.count("help")) {
cout << "Usage: " << argv[0] << " [OPTIONS] config_file" << endl << endl;
cout << common << endl << general << endl;
exit(0);
}
// print version number and exit
if (vm.count("version")) {
cout << "Version " << srslte_get_version_major() << "." << srslte_get_version_minor() << "."
<< srslte_get_version_patch() << endl;
exit(0);
}
// if no config file given, check users home path
if (!vm.count("config_file")) {
if (!config_exists(config_file, "enb.conf")) {
cout << "Failed to read eNB configuration file " << config_file << " - exiting" << endl;
exit(1);
}
}
cout << "Reading configuration file " << config_file << "..." << endl;
ifstream conf(config_file.c_str(), ios::in);
if (conf.fail()) {
cout << "Failed to read configuration file " << config_file << " - exiting" << endl;
exit(1);
}
// parse config file and handle errors gracefully
try {
bpo::store(bpo::parse_config_file(conf, common), vm);
bpo::notify(vm);
} catch (const boost::program_options::error& e) {
cerr << e.what() << endl;
exit(1);
}
// Convert MCC/MNC strings
if (!srslte::string_to_mcc(mcc, &args->stack.s1ap.mcc)) {
cout << "Error parsing enb.mcc:" << mcc << " - must be a 3-digit string." << endl;
}
if (!srslte::string_to_mnc(mnc, &args->stack.s1ap.mnc)) {
cout << "Error parsing enb.mnc:" << mnc << " - must be a 2 or 3-digit string." << endl;
}
if (args->stack.embms.enable) {
if (args->stack.mac.sched.max_nof_ctrl_symbols == 3) {
fprintf(stderr,
"nof_ctrl_symbols = %d, While using MBMS, please set number of control symbols to either 1 or 2, "
"depending on the length of the non-mbsfn region\n",
args->stack.mac.sched.max_nof_ctrl_symbols);
exit(1);
}
}
// Check PRACH workers
if (args->phy.nof_prach_threads > 1) {
fprintf(stderr,
"nof_prach_workers = %d. Value is not supported, only 0 or 1 are allowed\n",
args->phy.nof_prach_threads);
exit(1);
}
// Convert eNB Id
std::size_t pos = {};
try {
args->enb.enb_id = std::stoi(enb_id, &pos, 0);
} catch (...) {
cout << "Error parsing enb.enb_id: " << enb_id << "." << endl;
exit(1);
}
if (pos != enb_id.size()) {
cout << "Error parsing enb.enb_id: " << enb_id << "." << endl;
exit(1);
}
// Apply all_level to any unset layers
if (vm.count("log.all_level")) {
if (!vm.count("log.rf_level")) {
args->rf.log_level = args->log.all_level;
}
if (!vm.count("log.phy_level")) {
args->phy.log.phy_level = args->log.all_level;
}
if (!vm.count("log.phy_lib_level")) {
args->phy.log.phy_lib_level = args->log.all_level;
}
if (!vm.count("log.mac_level")) {
args->stack.log.mac_level = args->log.all_level;
}
if (!vm.count("log.rlc_level")) {
args->stack.log.rlc_level = args->log.all_level;
}
if (!vm.count("log.pdcp_level")) {
args->stack.log.pdcp_level = args->log.all_level;
}
if (!vm.count("log.rrc_level")) {
args->stack.log.rrc_level = args->log.all_level;
}
if (!vm.count("log.gtpu_level")) {
args->stack.log.gtpu_level = args->log.all_level;
}
if (!vm.count("log.s1ap_level")) {
args->stack.log.s1ap_level = args->log.all_level;
}
if (!vm.count("log.stack_level")) {
args->stack.log.stack_level = args->log.all_level;
}
}
// Apply all_hex_limit to any unset layers
if (vm.count("log.all_hex_limit")) {
if (!vm.count("log.phy_hex_limit")) {
args->log.phy_hex_limit = args->log.all_hex_limit;
}
if (!vm.count("log.mac_hex_limit")) {
args->stack.log.mac_hex_limit = args->log.all_hex_limit;
}
if (!vm.count("log.rlc_hex_limit")) {
args->stack.log.rlc_hex_limit = args->log.all_hex_limit;
}
if (!vm.count("log.pdcp_hex_limit")) {
args->stack.log.pdcp_hex_limit = args->log.all_hex_limit;
}
if (!vm.count("log.rrc_hex_limit")) {
args->stack.log.rrc_hex_limit = args->log.all_hex_limit;
}
if (!vm.count("log.gtpu_hex_limit")) {
args->stack.log.gtpu_hex_limit = args->log.all_hex_limit;
}
if (!vm.count("log.s1ap_hex_limit")) {
args->stack.log.s1ap_hex_limit = args->log.all_hex_limit;
}
if (!vm.count("log.stack_hex_limit")) {
args->stack.log.stack_hex_limit = args->log.all_hex_limit;
}
}
// Check remaining eNB config files
if (!config_exists(args->enb_files.sib_config, "sib.conf")) {
cout << "Failed to read SIB configuration file " << args->enb_files.sib_config << " - exiting" << endl;
exit(1);
}
if (!config_exists(args->enb_files.rr_config, "rr.conf")) {
cout << "Failed to read RR configuration file " << args->enb_files.rr_config << " - exiting" << endl;
exit(1);
}
if (!config_exists(args->enb_files.drb_config, "drb.conf")) {
cout << "Failed to read DRB configuration file " << args->enb_files.drb_config << " - exiting" << endl;
exit(1);
}
srslte_use_standard_symbol_size(use_standard_lte_rates);
}
static bool do_metrics = false;
static void* input_loop(metrics_stdout* metrics, srsenb::enb_command_interface* control)
{
struct pollfd pfd = {STDIN_FILENO, POLLIN, 0};
string input_line;
while (running) {
int ret = poll(&pfd, 1, 1000); // query stdin with a timeout of 1000ms
if (ret == 1) {
// there is user input to read
getline(cin, input_line);
if (cin.eof() || cin.bad()) {
cout << "Closing stdin thread." << endl;
break;
} else if (not input_line.empty()) {
vector<string> cmd;
srslte::string_parse_list(input_line, ' ', cmd);
if (cmd[0] == "t") {
do_metrics = !do_metrics;
if (do_metrics) {
cout << "Enter t to stop trace." << endl;
} else {
cout << "Enter t to restart trace." << endl;
}
metrics->toggle_print(do_metrics);
} else if (cmd[0] == "q") {
raise(SIGTERM);
} else if (cmd[0] == "cell_gain") {
if (cmd.size() != 3) {
cout << "Usage: " << cmd[0] << " [cell identifier] [gain in dB]" << endl;
continue;
}
// Parse command arguments
uint32_t cell_id = srslte::string_cast<uint32_t>(cmd[1]);
float gain_db = srslte::string_cast<float>(cmd[2]);
// Set cell gain
control->cmd_cell_gain(cell_id, gain_db);
} else {
cout << "Available commands: " << endl;
cout << " t: starts console trace" << endl;
cout << " q: quit srsenb" << endl;
cout << " cell_gain: set relative cell gain" << endl;
cout << endl;
}
}
}
}
return nullptr;
}
/// Adjusts the input value in args from kbytes to bytes.
static size_t fixup_log_file_maxsize(int x)
{
return (x < 0) ? 0 : size_t(x) * 1024u;
}
int main(int argc, char* argv[])
{
srslte_register_signal_handler();
all_args_t args = {};
srslte::metrics_hub<enb_metrics_t> metricshub;
metrics_stdout metrics_screen;
cout << "--- Software Radio Systems LTE eNodeB ---" << endl << endl;
srslte_debug_handle_crash(argc, argv);
parse_args(&args, argc, argv);
// Setup the default log sink.
srslog::set_default_sink(
(args.log.filename == "stdout")
? srslog::fetch_stdout_sink()
: srslog::fetch_file_sink(args.log.filename, fixup_log_file_maxsize(args.log.file_max_size)));
srslte::srslog_wrapper log_wrapper(srslog::fetch_log_channel("main_channel"));
// Alarms log channel creation.
srslog::sink& alarm_sink = srslog::fetch_file_sink(args.general.alarms_filename);
srslog::log_channel& alarms_channel = srslog::fetch_log_channel("alarms", alarm_sink, {"ALRM", '\0', false});
alarms_channel.set_enabled(args.general.alarms_log_enable);
// Start the log backend.
srslog::init();
srslte::logmap::set_default_logger(&log_wrapper);
srslte::logmap::get("COMMON")->set_level(srslte::LOG_LEVEL_INFO);
srslte::log_args(argc, argv, "ENB");
srslte::check_scaling_governor(args.rf.device_name);
// Set up the JSON log channel used by metrics and events.
srslog::sink& json_sink =
srslog::fetch_file_sink(args.general.report_json_filename, 0, srslog::create_json_formatter());
srslog::log_channel& json_channel = srslog::fetch_log_channel("JSON_channel", json_sink, {});
json_channel.set_enabled(args.general.report_json_enable);
// Configure the event logger just before starting the eNB class.
if (args.general.report_json_enable) {
event_logger::configure(json_channel);
}
// Create eNB
unique_ptr<srsenb::enb> enb{new srsenb::enb(srslog::get_default_sink())};
if (enb->init(args, &log_wrapper) != SRSLTE_SUCCESS) {
enb->stop();
return SRSLTE_ERROR;
}
// Set metrics
metricshub.init(enb.get(), args.general.metrics_period_secs);
metricshub.add_listener(&metrics_screen);
metrics_screen.set_handle(enb.get());
srsenb::metrics_csv metrics_file(args.general.metrics_csv_filename);
if (args.general.metrics_csv_enable) {
metricshub.add_listener(&metrics_file);
metrics_file.set_handle(enb.get());
}
srsenb::metrics_json json_metrics(json_channel);
if (args.general.report_json_enable) {
metricshub.add_listener(&json_metrics);
json_metrics.set_handle(enb.get());
}
// create input thread
std::thread input(&input_loop, &metrics_screen, (enb_command_interface*)enb.get());
if (running) {
if (args.gui.enable) {
enb->start_plot();
}
}
int cnt = 0;
while (running) {
if (args.general.print_buffer_state) {
cnt++;
if (cnt == 1000) {
cnt = 0;
enb->print_pool();
}
}
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
input.join();
metricshub.stop();
enb->stop();
cout << "--- exiting ---" << endl;
return SRSLTE_SUCCESS;
}
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