mirror of https://github.com/gnss-sdr/gnss-sdr
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/*!
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* \file custom_udp_signal_source.h
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* \brief Receives ip frames containing samples in UDP frame encapsulation
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* using a high performance packet capture library (libpcap)
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* \author Javier Arribas jarribas (at) cttc.es
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_CUSTOM_UDP_SIGNAL_SOURCE_H
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#define GNSS_SDR_CUSTOM_UDP_SIGNAL_SOURCE_H
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#include "concurrent_queue.h"
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#include "gr_complex_ip_packet_source.h"
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#include "signal_source_base.h"
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#include <gnuradio/blocks/file_sink.h>
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#include <gnuradio/blocks/null_sink.h>
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#include <pmt/pmt.h>
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#include <stdexcept>
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#include <string>
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#include <vector>
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/** \addtogroup Signal_Source
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* \{ */
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/** \addtogroup Signal_Source_adapters
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* \{ */
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class ConfigurationInterface;
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/*!
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* \brief This class reads from UDP packets, which streams interleaved
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* I/Q samples over a network.
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*/
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class CustomUDPSignalSource : public SignalSourceBase
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{
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public:
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CustomUDPSignalSource(const ConfigurationInterface* configuration,
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const std::string& role, unsigned int in_stream,
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unsigned int out_stream, Concurrent_Queue<pmt::pmt_t>* queue);
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~CustomUDPSignalSource() = default;
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inline size_t item_size() override
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{
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return item_size_;
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}
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void connect(gr::top_block_sptr top_block) override;
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void disconnect(gr::top_block_sptr top_block) override;
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gr::basic_block_sptr get_left_block() override;
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gr::basic_block_sptr get_right_block() override;
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gr::basic_block_sptr get_right_block(int RF_channel) override;
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private:
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Gr_Complex_Ip_Packet_Source::sptr udp_gnss_rx_source_;
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std::vector<gnss_shared_ptr<gr::block>> null_sinks_;
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std::vector<gnss_shared_ptr<gr::block>> file_sink_;
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std::string item_type_;
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std::string dump_filename_;
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size_t item_size_;
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int RF_channels_;
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int channels_in_udp_;
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unsigned int in_stream_;
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unsigned int out_stream_;
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bool IQ_swap_;
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bool dump_;
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};
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/** \} */
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/** \} */
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#endif // GNSS_SDR_CUSTOM_UDP_SIGNAL_SOURCE_H
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