mirror of https://github.com/gnss-sdr/gnss-sdr
106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
/*!
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* \file udp_signal_source.h
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*
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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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* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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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 "gnss_block_interface.h"
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#include "gr_complex_ip_packet_source.h"
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#include <boost/shared_ptr.hpp>
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#include <gnuradio/msg_queue.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 <stdexcept>
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#include <string>
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#include <vector>
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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 GNSSBlockInterface
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{
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public:
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CustomUDPSignalSource(ConfigurationInterface* configuration,
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std::string role, unsigned int in_stream,
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unsigned int out_stream, boost::shared_ptr<gr::msg_queue> queue);
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virtual ~CustomUDPSignalSource();
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inline std::string role() override
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{
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return role_;
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}
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/*!
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* \brief Returns "UDP_Signal_Source"
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*/
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inline std::string implementation() override
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{
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return "Custom_UDP_Signal_Source";
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}
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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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std::string role_;
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bool IQ_swap_;
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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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std::string item_type_;
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size_t item_size_;
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bool dump_;
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std::string dump_filename_;
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std::vector<boost::shared_ptr<gr::block>> null_sinks_;
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gr_complex_ip_packet_source::sptr udp_gnss_rx_source_;
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std::vector<boost::shared_ptr<gr::block>> file_sink_;
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boost::shared_ptr<gr::msg_queue> queue_;
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};
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#endif /*GNSS_SDR_CUSTOM_UDP_SIGNAL_SOURCE_H */
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