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/*
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Her Majesty the Queen in Right of Canada (Communications Research
Center Canada)
Copyright (C) 2023
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
ODR-DabMod 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.
ODR-DabMod 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 ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <cstdint>
#include <algorithm>
#include "INIReader.h"
#include "ConfigParser.h"
#include "Utils.h"
#include "Log.h"
#include "Events.h"
using namespace std;
static GainMode parse_gainmode(const std::string &gainMode_setting)
{
string gainMode_minuscule(gainMode_setting);
std::transform(gainMode_minuscule.begin(), gainMode_minuscule.end(),
gainMode_minuscule.begin(), ::tolower);
if (gainMode_minuscule == "0" or gainMode_minuscule == "fix") {
return GainMode::GAIN_FIX;
}
else if (gainMode_minuscule == "1" or gainMode_minuscule == "max") {
return GainMode::GAIN_MAX;
}
else if (gainMode_minuscule == "2" or gainMode_minuscule == "var") {
return GainMode::GAIN_VAR;
}
cerr << "Modulator gainmode setting '" << gainMode_setting <<
"' not recognised." << endl;
throw std::runtime_error("Configuration error");
}
static FFTEngine parse_fft_engine(const std::string &fft_engine_setting)
{
string fft_engine_minuscule(fft_engine_setting);
std::transform(fft_engine_minuscule.begin(), fft_engine_minuscule.end(),
fft_engine_minuscule.begin(), ::tolower);
if (fft_engine_minuscule == "fftw") {
return FFTEngine::FFTW;
}
else if (fft_engine_minuscule == "kiss") {
return FFTEngine::KISS;
}
else if (fft_engine_minuscule == "dexter") {
return FFTEngine::DEXTER;
}
cerr << "Modulator fft_engine setting '" << fft_engine_setting <<
"' not recognised." << endl;
throw std::runtime_error("Configuration error");
}
static void parse_configfile(
const std::string& configuration_file,
mod_settings_t& mod_settings)
{
// First read parameters from the file
INIReader pt(configuration_file);
int line_err = pt.ParseError();
if (line_err) {
std::cerr << "Error, cannot read configuration file '" << configuration_file.c_str() << "'" << std::endl;
std::cerr << "At line: " << line_err << std::endl;
throw std::runtime_error("Cannot read configuration file");
}
mod_settings.startupCheck = pt.Get("general.startupcheck", "");
// remote controller interfaces:
if (pt.GetInteger("remotecontrol.telnet", 0) == 1) {
try {
int telnetport = pt.GetInteger("remotecontrol.telnetport", 0);
auto telnetrc = make_shared<RemoteControllerTelnet>(telnetport);
rcs.add_controller(telnetrc);
}
catch (const std::exception &e) {
std::cerr << "Error: " << e.what() << "\n";
std::cerr << " telnet remote control enabled, but no telnetport defined.\n";
throw std::runtime_error("Configuration error");
}
}
#if defined(HAVE_ZEROMQ)
if (pt.GetInteger("remotecontrol.zmqctrl", 0) == 1) {
try {
std::string zmqCtrlEndpoint = pt.Get("remotecontrol.zmqctrlendpoint", "");
auto zmqrc = make_shared<RemoteControllerZmq>(zmqCtrlEndpoint);
rcs.add_controller(zmqrc);
}
catch (const std::exception &e) {
std::cerr << "Error: " << e.what() << "\n";
std::cerr << " zmq remote control enabled, but no endpoint defined.\n";
throw std::runtime_error("Configuration error");
}
}
#endif
// input params:
if (pt.GetInteger("input.loop", 0) == 1) {
mod_settings.loop = true;
}
mod_settings.inputTransport = pt.Get("input.transport", "file");
mod_settings.edi_max_delay_ms = pt.GetReal("input.edi_max_delay", 0.0);
mod_settings.inputName = pt.Get("input.source", "/dev/stdin");
// log parameters:
const string events_endpoint = pt.Get("log.events_endpoint", "");
if (not events_endpoint.empty()) {
#if defined(HAVE_ZEROMQ)
events.bind(events_endpoint);
#else
throw std::runtime_error("Cannot configure events sender when compiled without zeromq");
#endif
}
if (pt.GetInteger("log.syslog", 0) == 1) {
etiLog.register_backend(make_shared<LogToSyslog>());
}
if (pt.GetInteger("log.filelog", 0) == 1) {
std::string logfilename;
try {
logfilename = pt.Get("log.filename", "");
}
catch (const std::exception &e) {
std::cerr << "Error: " << e.what() << "\n";
std::cerr << " Configuration enables file log, but does not specify log filename\n";
throw std::runtime_error("Configuration error");
}
etiLog.register_backend(make_shared<LogToFile>(logfilename));
}
std::string trace_filename = pt.Get("log.trace", "");
if (not trace_filename.empty()) {
etiLog.register_backend(make_shared<LogTracer>(trace_filename));
}
mod_settings.showProcessTime = pt.GetInteger("log.show_process_time",
mod_settings.showProcessTime);
// modulator parameters:
const string fft_engine_setting = pt.Get("modulator.fft_engine", "fftw");
mod_settings.fftEngine = parse_fft_engine(fft_engine_setting);
const string gainMode_setting = pt.Get("modulator.gainmode", "var");
mod_settings.gainMode = parse_gainmode(gainMode_setting);
mod_settings.gainmodeVariance = pt.GetReal("modulator.normalise_variance",
mod_settings.gainmodeVariance);
mod_settings.dabMode = pt.GetInteger("modulator.mode", mod_settings.dabMode);
mod_settings.clockRate = pt.GetInteger("modulator.dac_clk_rate", (size_t)0);
mod_settings.digitalgain = pt.GetReal("modulator.digital_gain",
mod_settings.digitalgain);
mod_settings.outputRate = pt.GetInteger("modulator.rate", mod_settings.outputRate);
mod_settings.ofdmWindowOverlap = pt.GetInteger("modulator.ofdmwindowing",
mod_settings.ofdmWindowOverlap);
// FIR Filter parameters:
if (pt.GetInteger("firfilter.enabled", 0) == 1) {
mod_settings.filterTapsFilename =
pt.Get("firfilter.filtertapsfile", "default");
}
// Poly coefficients:
if (pt.GetInteger("poly.enabled", 0) == 1) {
mod_settings.polyCoefFilename =
pt.Get("poly.polycoeffile", "dpd/poly.coef");
mod_settings.polyNumThreads =
pt.GetInteger("poly.num_threads", 0);
}
// Crest factor reduction
if (pt.GetInteger("cfr.enabled", 0) == 1) {
mod_settings.enableCfr = true;
mod_settings.cfrClip = pt.GetReal("cfr.clip", 0.0);
mod_settings.cfrErrorClip = pt.GetReal("cfr.error_clip", 0.0);
}
// Output options
std::string output_selected = pt.Get("output.output", "");
if(output_selected == "") {
std::cerr << "Error:\n";
std::cerr << " Configuration does not specify output\n";
throw std::runtime_error("Configuration error");
}
if (output_selected == "file") {
mod_settings.outputName = pt.Get("fileoutput.filename", "");
if(mod_settings.outputName == "") {
std::cerr << "Error:\n";
std::cerr << " Configuration does not specify file name for file output\n";
throw std::runtime_error("Configuration error");
}
mod_settings.fileOutputShowMetadata =
(pt.GetInteger("fileoutput.show_metadata", 0) > 0);
mod_settings.useFileOutput = true;
mod_settings.fileOutputFormat = pt.Get("fileoutput.format",
mod_settings.fileOutputFormat);
}
#if defined(HAVE_OUTPUT_UHD)
else if (output_selected == "uhd") {
Output::SDRDeviceConfig sdr_device_config;
string device = pt.Get("uhdoutput.device", "");
const auto usrpType = pt.Get("uhdoutput.type", "");
if (usrpType != "") {
if (not device.empty()) {
device += ",";
}
device += "type=" + usrpType;
}
sdr_device_config.device = device;
sdr_device_config.subDevice = pt.Get("uhdoutput.subdevice", "");
sdr_device_config.masterClockRate = pt.GetInteger("uhdoutput.master_clock_rate", 0);
if (sdr_device_config.device.find("master_clock_rate") != std::string::npos) {
std::cerr << "Warning:"
"setting master_clock_rate in [uhd] device is deprecated !\n";
}
if (sdr_device_config.device.find("type=") != std::string::npos) {
std::cerr << "Warning:"
"setting type in [uhd] device is deprecated !\n";
}
sdr_device_config.txgain = pt.GetReal("uhdoutput.txgain", 0.0);
sdr_device_config.tx_antenna = pt.Get("uhdoutput.tx_antenna", "");
sdr_device_config.rx_antenna = pt.Get("uhdoutput.rx_antenna", "RX2");
sdr_device_config.rxgain = pt.GetReal("uhdoutput.rxgain", 0.0);
sdr_device_config.frequency = pt.GetReal("uhdoutput.frequency", 0);
sdr_device_config.bandwidth = pt.GetReal("uhdoutput.bandwidth", 0);
std::string chan = pt.Get("uhdoutput.channel", "");
sdr_device_config.dabMode = mod_settings.dabMode;
if (sdr_device_config.frequency == 0 && chan == "") {
std::cerr << " UHD output enabled, but neither frequency nor channel defined.\n";
throw std::runtime_error("Configuration error");
}
else if (sdr_device_config.frequency == 0) {
sdr_device_config.frequency = parse_channel(chan);
}
else if (sdr_device_config.frequency != 0 && chan != "") {
std::cerr << " UHD output: cannot define both frequency and channel.\n";
throw std::runtime_error("Configuration error");
}
sdr_device_config.lo_offset = pt.GetReal("uhdoutput.lo_offset", 0);
sdr_device_config.refclk_src = pt.Get("uhdoutput.refclk_source", "internal");
sdr_device_config.pps_src = pt.Get("uhdoutput.pps_source", "none");
sdr_device_config.pps_polarity = pt.Get("uhdoutput.pps_polarity", "pos");
std::string behave = pt.Get("uhdoutput.behaviour_refclk_lock_lost", "ignore");
if (behave == "crash") {
sdr_device_config.refclk_lock_loss_behaviour = Output::CRASH;
}
else if (behave == "ignore") {
sdr_device_config.refclk_lock_loss_behaviour = Output::IGNORE;
}
else {
std::cerr << "Error: UHD output: behaviour_refclk_lock_lost invalid." << std::endl;
throw std::runtime_error("Configuration error");
}
sdr_device_config.maxGPSHoldoverTime = pt.GetInteger("uhdoutput.max_gps_holdover_time", 0);
sdr_device_config.dpdFeedbackServerPort = pt.GetInteger("uhdoutput.dpd_port", 0);
mod_settings.sdr_device_config = sdr_device_config;
mod_settings.useUHDOutput = true;
}
#endif // defined(HAVE_OUTPUT_UHD)
#if defined(HAVE_SOAPYSDR)
else if (output_selected == "soapysdr") {
auto& outputsoapy_conf = mod_settings.sdr_device_config;
outputsoapy_conf.device = pt.Get("soapyoutput.device", "");
outputsoapy_conf.masterClockRate = pt.GetInteger("soapyoutput.master_clock_rate", 0);
outputsoapy_conf.txgain = pt.GetReal("soapyoutput.txgain", 0.0);
outputsoapy_conf.tx_antenna = pt.Get("soapyoutput.tx_antenna", "");
outputsoapy_conf.lo_offset = pt.GetReal("soapyoutput.lo_offset", 0.0);
outputsoapy_conf.frequency = pt.GetReal("soapyoutput.frequency", 0);
outputsoapy_conf.bandwidth = pt.GetReal("soapyoutput.bandwidth", 0);
std::string chan = pt.Get("soapyoutput.channel", "");
outputsoapy_conf.dabMode = mod_settings.dabMode;
if (outputsoapy_conf.frequency == 0 && chan == "") {
std::cerr << " soapy output enabled, but neither frequency nor channel defined.\n";
throw std::runtime_error("Configuration error");
}
else if (outputsoapy_conf.frequency == 0) {
outputsoapy_conf.frequency = parse_channel(chan);
}
else if (outputsoapy_conf.frequency != 0 && chan != "") {
std::cerr << " soapy output: cannot define both frequency and channel.\n";
throw std::runtime_error("Configuration error");
}
outputsoapy_conf.dpdFeedbackServerPort = pt.GetInteger("soapyoutput.dpd_port", 0);
mod_settings.useSoapyOutput = true;
}
#endif // defined(HAVE_SOAPYSDR)
#if defined(HAVE_DEXTER)
else if (output_selected == "dexter") {
auto& outputdexter_conf = mod_settings.sdr_device_config;
outputdexter_conf.txgain = pt.GetReal("dexteroutput.txgain", 0.0);
outputdexter_conf.lo_offset = pt.GetReal("dexteroutput.lo_offset", 0.0);
outputdexter_conf.frequency = pt.GetReal("dexteroutput.frequency", 0);
std::string chan = pt.Get("dexteroutput.channel", "");
outputdexter_conf.dabMode = mod_settings.dabMode;
outputdexter_conf.maxGPSHoldoverTime = pt.GetInteger("dexteroutput.max_gps_holdover_time", 0);
if (outputdexter_conf.frequency == 0 && chan == "") {
std::cerr << " dexter output enabled, but neither frequency nor channel defined.\n";
throw std::runtime_error("Configuration error");
}
else if (outputdexter_conf.frequency == 0) {
outputdexter_conf.frequency = parse_channel(chan);
}
else if (outputdexter_conf.frequency != 0 && chan != "") {
std::cerr << " dexter output: cannot define both frequency and channel.\n";
throw std::runtime_error("Configuration error");
}
mod_settings.useDexterOutput = true;
}
#endif // defined(HAVE_DEXTER)
#if defined(HAVE_LIMESDR)
else if (output_selected == "limesdr") {
auto& outputlime_conf = mod_settings.sdr_device_config;
outputlime_conf.device = pt.Get("limeoutput.device", "");
outputlime_conf.masterClockRate = pt.GetInteger("limeoutput.master_clock_rate", 0);
outputlime_conf.txgain = pt.GetReal("limeoutput.txgain", 0.0);
outputlime_conf.tx_antenna = pt.Get("limeoutput.tx_antenna", "");
outputlime_conf.lo_offset = pt.GetReal("limeoutput.lo_offset", 0.0);
outputlime_conf.frequency = pt.GetReal("limeoutput.frequency", 0);
std::string chan = pt.Get("limeoutput.channel", "");
outputlime_conf.dabMode = mod_settings.dabMode;
outputlime_conf.upsample = pt.GetInteger("limeoutput.upsample", 1);
if (outputlime_conf.frequency == 0 && chan == "") {
std::cerr << " Lime output enabled, but neither frequency nor channel defined.\n";
throw std::runtime_error("Configuration error");
}
else if (outputlime_conf.frequency == 0) {
outputlime_conf.frequency = parse_channel(chan);
}
else if (outputlime_conf.frequency != 0 && chan != "") {
std::cerr << " Lime output: cannot define both frequency and channel.\n";
throw std::runtime_error("Configuration error");
}
outputlime_conf.dpdFeedbackServerPort = pt.GetInteger("limeoutput.dpd_port", 0);
mod_settings.useLimeOutput = true;
}
#endif // defined(HAVE_LIMESDR)
#if defined(HAVE_BLADERF)
else if (output_selected == "bladerf") {
auto& outputbladerf_conf = mod_settings.sdr_device_config;
outputbladerf_conf.device = pt.Get("bladerfoutput.device", "");
outputbladerf_conf.refclk_src = pt.Get("bladerfoutput.refclk_source", "");
outputbladerf_conf.txgain = pt.GetReal("bladerfoutput.txgain", 0.0);
outputbladerf_conf.frequency = pt.GetReal("bladerfoutput.frequency", 0);
outputbladerf_conf.bandwidth = pt.GetReal("bladerfoutput.bandwidth", 0);
std::string chan = pt.Get("bladerfoutput.channel", "");
outputbladerf_conf.dabMode = mod_settings.dabMode;
if (outputbladerf_conf.frequency == 0 && chan == "") {
std::cerr << " BladeRF output enabled, but neither frequency nor channel defined.\n";
throw std::runtime_error("Configuration error");
}
else if (outputbladerf_conf.frequency == 0) {
outputbladerf_conf.frequency = parse_channel(chan);
}
else if (outputbladerf_conf.frequency != 0 && chan != "") {
std::cerr << " BladeRF output: cannot define both frequency and channel.\n";
throw std::runtime_error("Configuration error");
}
outputbladerf_conf.dpdFeedbackServerPort = pt.GetInteger("bladerfoutput.dpd_port", 0);
mod_settings.useBladeRFOutput = true;
}
#endif // defined(HAVE_BLADERF)
#if defined(HAVE_ZEROMQ)
else if (output_selected == "zmq") {
mod_settings.outputName = pt.Get("zmqoutput.listen", "");
mod_settings.zmqOutputSocketType = pt.Get("zmqoutput.socket_type", "");
mod_settings.useZeroMQOutput = true;
}
#endif
else {
std::cerr << "Error: Invalid output defined.\n";
throw std::runtime_error("Configuration error");
}
#if defined(HAVE_OUTPUT_UHD) || defined(HAVE_DEXTER)
mod_settings.sdr_device_config.enableSync = (pt.GetInteger("delaymanagement.synchronous", 0) == 1);
mod_settings.sdr_device_config.muteNoTimestamps = (pt.GetInteger("delaymanagement.mutenotimestamps", 0) == 1);
if (mod_settings.sdr_device_config.enableSync) {
std::string delay_mgmt = pt.Get("delaymanagement.management", "");
std::string fixedoffset = pt.Get("delaymanagement.fixedoffset", "");
std::string offset_filename = pt.Get("delaymanagement.dynamicoffsetfile", "");
if (not(delay_mgmt.empty() and fixedoffset.empty() and offset_filename.empty())) {
std::cerr << "Warning: you are using the old config syntax for the offset management.\n";
std::cerr << " Please see the example.ini configuration for the new settings.\n";
}
try {
mod_settings.tist_offset_s = pt.GetReal("delaymanagement.offset", 0.0);
}
catch (const std::exception &e) {
std::cerr << "Error: delaymanagement: synchronous is enabled, but no offset defined!\n";
throw std::runtime_error("Configuration error");
}
}
#endif
/* Read TII parameters from config file */
mod_settings.tiiConfig.enable = pt.GetInteger("tii.enable", 0);
mod_settings.tiiConfig.comb = pt.GetInteger("tii.comb", 0);
mod_settings.tiiConfig.pattern = pt.GetInteger("tii.pattern", 0);
mod_settings.tiiConfig.old_variant = pt.GetInteger("tii.old_variant", 0);
}
void parse_args(int argc, char **argv, mod_settings_t& mod_settings)
{
bool use_configuration_cmdline = false;
bool use_configuration_file = false;
std::string configuration_file;
// No argument given ? You can't be serious ! Show usage.
if (argc == 1) {
printUsage(argv[0]);
throw std::invalid_argument("Invalid command line options");
}
while (true) {
int c = getopt(argc, argv, "a:C:c:f:F:g:G:hlm:o:O:r:T:u:V");
if (c == -1) {
break;
}
if (c != 'C') {
use_configuration_cmdline = true;
}
switch (c) {
case 'C':
use_configuration_file = true;
configuration_file = optarg;
break;
case 'a':
mod_settings.digitalgain = strtof(optarg, NULL);
break;
case 'c':
mod_settings.clockRate = strtol(optarg, NULL, 0);
break;
case 'f':
#if defined(HAVE_OUTPUT_UHD)
if (mod_settings.useUHDOutput) {
throw std::invalid_argument("Options -u and -f are mutually exclusive");
}
#endif
mod_settings.outputName = optarg;
mod_settings.useFileOutput = true;
break;
case 'F':
if (mod_settings.useFileOutput) {
mod_settings.fileOutputFormat = optarg;
}
#if defined(HAVE_OUTPUT_UHD)
else if (mod_settings.useUHDOutput) {
mod_settings.sdr_device_config.frequency = strtof(optarg, NULL);
}
#endif
else {
throw std::invalid_argument("Cannot use -F before setting output!");
}
break;
case 'g':
mod_settings.gainMode = parse_gainmode(optarg);
break;
case 'G':
#if defined(HAVE_OUTPUT_UHD)
mod_settings.sdr_device_config.txgain = strtod(optarg, NULL);
#endif
break;
case 'l':
mod_settings.loop = true;
break;
case 'o':
mod_settings.tist_offset_s = strtod(optarg, NULL);
#if defined(HAVE_OUTPUT_UHD)
mod_settings.sdr_device_config.enableSync = true;
#endif
break;
case 'm':
mod_settings.dabMode = strtol(optarg, NULL, 0);
break;
case 'r':
mod_settings.outputRate = strtol(optarg, NULL, 0);
break;
case 'T':
mod_settings.filterTapsFilename = optarg;
break;
case 'u':
#if defined(HAVE_OUTPUT_UHD)
if (mod_settings.useFileOutput) {
throw std::invalid_argument("Options -u and -f are mutually exclusive");
}
mod_settings.sdr_device_config.device = optarg;
mod_settings.sdr_device_config.refclk_src = "internal";
mod_settings.sdr_device_config.pps_src = "none";
mod_settings.sdr_device_config.pps_polarity = "pos";
mod_settings.useUHDOutput = true;
#else
throw std::invalid_argument("Cannot select UHD output, not compiled in!");
#endif
break;
case 'V':
printVersion();
throw std::invalid_argument("");
break;
case '?':
case 'h':
printUsage(argv[0]);
throw std::invalid_argument("");
break;
default:
{
string optstr(1, c);
throw std::invalid_argument("Invalid command line option: -" + optstr);
}
}
}
// If only one argument is given, interpret as configuration file name
if (argc == 2) {
use_configuration_file = true;
configuration_file = argv[1];
}
if (use_configuration_file && use_configuration_cmdline) {
fprintf(stderr, "Warning: configuration file and command "
"line parameters are defined:\n\t"
"Command line parameters override settings "
"in the configuration file !\n");
}
// Setting ETI input filename
if (use_configuration_cmdline && mod_settings.inputName == "") {
if (optind < argc) {
mod_settings.inputName = argv[optind++];
if (mod_settings.inputName.substr(0, 4) == "zmq+" &&
mod_settings.inputName.find("://") != std::string::npos) {
throw std::runtime_error("Support for ZeroMQ input transport has been removed.");
}
else if (mod_settings.inputName.substr(0, 6) == "tcp://") {
mod_settings.inputTransport = "tcp";
}
else if (mod_settings.inputName.substr(0, 6) == "udp://") {
mod_settings.inputTransport = "edi";
}
}
else {
mod_settings.inputName = "/dev/stdin";
}
}
// Checking unused arguments
if (use_configuration_cmdline && optind != argc) {
string invalid = "Invalid arguments:";
while (optind != argc) {
invalid += argv[optind++];
}
printUsage(argv[0]);
etiLog.level(error) << "Received invalid command line arguments: " + invalid;
throw std::invalid_argument("Invalid command line options");
}
if (use_configuration_file) {
parse_configfile(configuration_file, mod_settings);
}
}
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