satdump/src-cli/live.cpp
2023-01-05 23:33:59 +01:00

306 lines
No EOL
10 KiB
C++

#include "live.h"
#include "common/dsp_source_sink/dsp_sample_source.h"
#include "core/live_pipeline.h"
#include <signal.h>
#include "logger.h"
#include "init.h"
#include "common/cli_utils.h"
#include <filesystem>
#include "common/dsp/splitter.h"
#include "common/dsp/fft_pan.h"
#include "webserver.h"
// Catch CTRL+C to exit live properly!
bool live_should_exit = false;
void sig_handler_live(int signo)
{
if (signo == SIGINT)
live_should_exit = true;
}
int main_live(int argc, char *argv[])
{
if (argc < 5) // Check overall command
{
logger->error("Usage : " + std::string(argv[0]) + " live [pipeline_id] [output_file_or_directory] [additional options as required]");
logger->error("Extra options (examples. Any parameter used in modules or sources can be used here) :");
logger->error(" --samplerate [baseband_samplerate] --baseband_format [f32/s16/s8/u8] --dc_block --iq_swap");
logger->error(" --source [airspy/rtlsdr/etc] --gain 20 --bias");
logger->error("As well as --timeout in seconds");
logger->error("Sample command :");
logger->error("./satdump live metop_ahrpt metop_output_directory --source airspy --samplerate 6e6 --frequency 1701.3e6 --general_gain 18 --bias --timeout 780");
return 1;
}
std::string downlink_pipeline = argv[2];
std::string output_file = argv[3];
// Parse flags
nlohmann::json parameters = parse_common_flags(argc - 4, &argv[4]);
// Init SatDump
satdump::tle_file_override = parameters.contains("tle_override") ? parameters["tle_override"].get<std::string>() : "";
satdump::initSatdump();
if (parameters.contains("client"))
{
logger->info("Starting in client mode!");
// Create output dir
if (!std::filesystem::exists(output_file))
std::filesystem::create_directories(output_file);
// Get pipeline
std::optional<satdump::Pipeline> pipeline = satdump::getPipelineFromName(downlink_pipeline);
if (!pipeline.has_value())
{
logger->critical("Pipeline " + downlink_pipeline + " does not exist!");
return 1;
}
// Init pipeline
std::unique_ptr<satdump::LivePipeline> live_pipeline = std::make_unique<satdump::LivePipeline>(pipeline.value(), parameters, output_file);
ctpl::thread_pool live_thread_pool(8);
// Attempt to start the source and pipeline
try
{
live_pipeline->start_client(live_thread_pool);
}
catch (std::exception &e)
{
logger->error("Fatal error running pipeline/device : " + std::string(e.what()));
return 1;
}
// If requested, boot up webserver
if (parameters.contains("http_server"))
{
std::string http_addr = parameters["http_server"].get<std::string>();
webserver::handle_callback = [&live_pipeline]()
{
live_pipeline->updateModuleStats();
return live_pipeline->stats.dump(4);
};
logger->info("Start webserver on {:s}", http_addr.c_str());
webserver::start(http_addr);
}
// Attach signal
signal(SIGINT, sig_handler_live);
// Now, we wait
while (1)
{
if (live_should_exit)
{
logger->warn("SIGINT Received. Stopping.");
break;
}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
// Stop cleanly
live_pipeline->stop();
}
else
{
uint64_t samplerate;
uint64_t frequency;
uint64_t timeout;
std::string handler_id;
try
{
samplerate = parameters["samplerate"].get<uint64_t>();
frequency = parameters["frequency"].get<uint64_t>();
timeout = parameters.contains("timeout") ? parameters["timeout"].get<uint64_t>() : 0;
handler_id = parameters["source"].get<std::string>();
}
catch (std::exception &e)
{
logger->error("Error parsing arguments! {:s}", e.what());
return 1;
}
// Create output dir
if (!std::filesystem::exists(output_file))
std::filesystem::create_directories(output_file);
// Get all sources
dsp::registerAllSources();
std::vector<dsp::SourceDescriptor> source_tr = dsp::getAllAvailableSources();
dsp::SourceDescriptor selected_src;
for (dsp::SourceDescriptor src : source_tr)
logger->debug("Device " + src.name);
// Try to find it and check it's usable
bool src_found = false;
for (dsp::SourceDescriptor src : source_tr)
{
if (handler_id == src.source_type)
{
selected_src = src;
src_found = true;
}
}
if (!src_found)
{
logger->error("Could not find a handler for source type : {:s}!", handler_id.c_str());
return 1;
}
// Init source
std::shared_ptr<dsp::DSPSampleSource> source_ptr = getSourceFromDescriptor(selected_src);
source_ptr->open();
source_ptr->set_frequency(frequency);
source_ptr->set_samplerate(samplerate);
source_ptr->set_settings(parameters);
// Get pipeline
std::optional<satdump::Pipeline> pipeline = satdump::getPipelineFromName(downlink_pipeline);
if (!pipeline.has_value())
{
logger->critical("Pipeline " + downlink_pipeline + " does not exist!");
return 1;
}
// Init pipeline
parameters["baseband_format"] = "f32";
parameters["buffer_size"] = STREAM_BUFFER_SIZE; // This is required, as we WILL go over the (usually) default 8192 size
parameters["start_timestamp"] = (double)time(0); // Some pipelines need this
std::unique_ptr<satdump::LivePipeline> live_pipeline = std::make_unique<satdump::LivePipeline>(pipeline.value(), parameters, output_file);
ctpl::thread_pool live_thread_pool(8);
bool server_mode = parameters.contains("server_address") || parameters.contains("server_port");
std::unique_ptr<dsp::SplitterBlock> splitter;
std::unique_ptr<dsp::FFTPanBlock> fft;
bool webserver_already_set = false;
// Attempt to start the source and pipeline
try
{
source_ptr->start();
std::shared_ptr<dsp::stream<complex_t>> final_stream = source_ptr->output_stream;
// Optional FFT
if (parameters.contains("fft_enable"))
{
int fft_size = parameters.contains("fft_size") ? parameters["fft_size"].get<int>() : 512;
int fft_rate = parameters.contains("fft_rate") ? parameters["fft_rate"].get<int>() : 30;
splitter = std::make_unique<dsp::SplitterBlock>(source_ptr->output_stream);
splitter->set_output_2nd(true);
splitter->set_output_3rd(false);
final_stream = splitter->output_stream;
fft = std::make_unique<dsp::FFTPanBlock>(splitter->output_stream_2);
fft->set_fft_settings(fft_size, samplerate, fft_rate);
if (parameters.contains("fft_avg"))
fft->avg_rate = parameters["fft_avg"].get<float>();
splitter->start();
fft->start();
webserver::handle_callback = [&live_pipeline, &fft, fft_size]()
{
live_pipeline->updateModuleStats();
for (int i = 0; i < fft_size; i++)
live_pipeline->stats["fft_values"][i] = fft->output_stream->writeBuf[i];
return live_pipeline->stats.dump(4);
};
webserver_already_set = true;
}
live_pipeline->start(final_stream, live_thread_pool, server_mode);
}
catch (std::exception &e)
{
logger->error("Fatal error running pipeline/device : " + std::string(e.what()));
return 1;
}
// If requested, boot up webserver
if (parameters.contains("http_server"))
{
std::string http_addr = parameters["http_server"].get<std::string>();
if (!webserver_already_set)
webserver::handle_callback = [&live_pipeline]()
{
live_pipeline->updateModuleStats();
return live_pipeline->stats.dump(4);
};
logger->info("Start webserver on {:s}", http_addr.c_str());
webserver::start(http_addr);
}
// Attach signal
signal(SIGINT, sig_handler_live);
// Now, we wait
uint64_t start_time = time(0);
while (1)
{
if (timeout > 0)
{
uint64_t elapsed_time = time(0) - start_time;
if (elapsed_time >= timeout)
{
logger->warn("Timeout is over! ({:d}s >= {:d}s) Stopping.", elapsed_time, timeout);
break;
}
live_pipeline->stats["timeout_left"] = timeout - elapsed_time;
}
if (live_should_exit)
{
logger->warn("SIGINT Received. Stopping.");
break;
}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
// Stop cleanly
source_ptr->stop();
if (parameters.contains("fft_enable"))
{
splitter->stop();
fft->stop();
}
live_pipeline->stop();
if ((parameters.contains("finish_processing") ? parameters["finish_processing"].get<bool>() : false) &&
live_pipeline->getOutputFiles().size() > 0 &&
!server_mode)
{
std::optional<satdump::Pipeline> pipeline = satdump::getPipelineFromName(downlink_pipeline);
std::string input_file = live_pipeline->getOutputFiles()[0];
int start_level = pipeline->live_cfg.normal_live[pipeline->live_cfg.normal_live.size() - 1].first;
std::string input_level = pipeline->steps[start_level].level_name;
try
{
pipeline.value().run(input_file, output_file, parameters, input_level);
}
catch (std::exception &e)
{
logger->error("Fatal error running pipeline : " + std::string(e.what()));
}
}
}
if (parameters.contains("http_server"))
webserver::stop();
return 0;
}