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add ZMQ signal source

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This commit is contained in:
Jim Melton 2022-08-10 17:37:57 -06:00
parent 6228d198d2
commit b24141ca72
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GPG Key ID: C46392D9AACAB216
9 changed files with 264 additions and 8 deletions
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11
CMakeLists.txt
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@ -48,6 +48,8 @@ option(ENABLE_FLEXIBAND "Enable the use of the signal source adater for the Tele
option(ENABLE_ARRAY "Enable the use of CTTC's antenna array front-end as signal source (experimental)" OFF)
option(ENABLE_ZMQ "Enable GNU Radio ZeroMQ Messaging" OFF)
# Performance analysis tools
option(ENABLE_GPERFTOOLS "Enable linking to Gperftools libraries (tcmalloc and profiler)" OFF)
@ -596,7 +598,7 @@ set_package_properties(VOLK PROPERTIES
################################################################################
# GNU Radio - https://www.gnuradio.org
################################################################################
set(GR_REQUIRED_COMPONENTS RUNTIME PMT BLOCKS FFT FILTER ANALOG)
list(APPEND GR_REQUIRED_COMPONENTS RUNTIME PMT BLOCKS FFT FILTER ANALOG)
find_package(UHD)
set_package_properties(UHD PROPERTIES
PURPOSE "Used for communication with front-ends of the USRP family."
@ -606,10 +608,14 @@ if(ENABLE_UHD)
if(NOT UHD_FOUND)
set(ENABLE_UHD OFF)
else()
set(GR_REQUIRED_COMPONENTS ${GR_REQUIRED_COMPONENTS} UHD)
list(APPEND GR_REQUIRED_COMPONENTS UHD)
endif()
endif()
if(ENABLE_ZMQ)
list(APPEND GR_REQUIRED_COMPONENTS ZEROMQ)
endif()
find_package(GNURADIO)
set_package_properties(GNURADIO PROPERTIES
PURPOSE "Implements flowgraph scheduler, provides some processing blocks and classes to create new ones."
@ -3401,6 +3407,7 @@ add_feature_info(ENABLE_AD9361 ENABLE_AD9361 "Enables Ad9361_Fpga_Signal_Source
add_feature_info(ENABLE_RAW_UDP ENABLE_RAW_UDP "Enables Custom_UDP_Signal_Source for custom UDP packet sample source. Requires libpcap.")
add_feature_info(ENABLE_FLEXIBAND ENABLE_FLEXIBAND "Enables Flexiband_Signal_Source for using Teleorbit's Flexiband RF front-end. Requires gr-teleorbit.")
add_feature_info(ENABLE_ARRAY ENABLE_ARRAY "Enables Raw_Array_Signal_Source and Array_Signal_Conditioner for using CTTC's antenna array. Requires gr-dbfcttc.")
add_feature_info(ENABLE_ZMQ ENABLE_ZMQ "Enables GNU Radio ZeroMQ message blocks.")
add_feature_info(ENABLE_GPERFTOOLS ENABLE_GPERFTOOLS "Enables performance analysis. Requires Gperftools.")
add_feature_info(ENABLE_GPROF ENABLE_GPROF "Enables performance analysis with 'gprof'.")
add_feature_info(ENABLE_CLANG_TIDY ENABLE_CLANG_TIDY "Runs clang-tidy along with the compiler. Requires Clang.")

3
cmake/Modules/FindGNURADIO.cmake
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@ -1,7 +1,7 @@
# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
# This file is part of GNSS-SDR.
#
# SPDX-FileCopyrightText: 2011-2020 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-FileCopyrightText: 2011-2022 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-License-Identifier: BSD-3-Clause
########################################################################
@ -193,6 +193,7 @@ gr_module(TRELLIS gnuradio-trellis gnuradio/trellis/api.h gnuradio-trellis)
gr_module(UHD gnuradio-uhd gnuradio/uhd/api.h gnuradio-uhd)
gr_module(VOCODER gnuradio-vocoder gnuradio/vocoder/api.h gnuradio-vocoder)
gr_module(WAVELET gnuradio-wavelet gnuradio/wavelet/api.h gnuradio-wavelet)
gr_module(ZEROMQ gnuradio-zeromq gnuradio/zeromq/api.h gnuradio-zeromq)
list(REMOVE_DUPLICATES GNURADIO_ALL_INCLUDE_DIRS)

14
src/algorithms/signal_source/adapters/CMakeLists.txt
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@ -1,7 +1,7 @@
# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
# This file is part of GNSS-SDR.
#
# SPDX-FileCopyrightText: 2010-2020 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-FileCopyrightText: 2010-2022 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-License-Identifier: BSD-3-Clause
@ -84,6 +84,11 @@ if(ENABLE_UHD)
set(OPT_DRIVER_HEADERS ${OPT_DRIVER_HEADERS} uhd_signal_source.h)
endif()
if(ENABLE_ZMQ)
list(APPEND OPT_DRIVER_SOURCES zmq_signal_source.cc)
list(APPEND OPT_DRIVER_HEADERS zmq_signal_source.h)
endif()
set(SIGNAL_SOURCE_ADAPTER_SOURCES
signal_source_base.cc
@ -192,6 +197,13 @@ if(ENABLE_UHD)
)
endif()
if(ENABLE_ZMQ)
target_link_libraries(signal_source_adapters
PUBLIC
Gnuradio::zeromq
)
endif()
if(ENABLE_OSMOSDR AND GROSMOSDR_FOUND)
target_link_libraries(signal_source_adapters
PUBLIC

57
src/algorithms/signal_source/adapters/signal_source_base.cc
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@ -9,7 +9,7 @@
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2021 (see AUTHORS file for a list of contributors)
* Copyright (C) 2010-2022 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
@ -37,6 +37,12 @@ size_t SignalSourceBase::getRfChannels() const
return rfChannels_;
}
gr::basic_block_sptr SignalSourceBase::get_left_block()
{
LOG(WARNING) << "Trying to get signal source left block.";
return gr::basic_block_sptr();
}
SignalSourceBase::SignalSourceBase(ConfigurationInterface const* configuration, std::string role, std::string impl)
: role_(std::move(role)), implementation_(std::move(impl))
{
@ -44,3 +50,52 @@ SignalSourceBase::SignalSourceBase(ConfigurationInterface const* configuration,
// depending on the order of initialization, assign rfChannels_ in the body
rfChannels_ = configuration->property(role_ + ".RF_channels"s, uint64_t(1U));
}
size_t SignalSourceBase::decode_item_type(std::string const& item_type, bool* is_interleaved, bool throw_on_error)
{
size_t item_size = 0;
// The default is for samples not to be interleaved
if (is_interleaved) *is_interleaved = false; // NOLINT
if (item_type == "gr_complex"s)
{
item_size = sizeof(gr_complex);
}
else if (item_type == "float"s)
{
item_size = sizeof(float);
}
else if (item_type == "short"s)
{
item_size = sizeof(int16_t);
}
else if (item_type == "ishort"s)
{
item_size = sizeof(int16_t);
if (is_interleaved) *is_interleaved = true; // NOLINT
}
else if (item_type == "byte"s)
{
item_size = sizeof(int8_t);
}
else if (item_type == "ibyte"s)
{
item_size = sizeof(int8_t);
if (is_interleaved) *is_interleaved = true; // NOLINT
}
else
{
if (throw_on_error)
{
throw std::invalid_argument(item_type + " is not a recognized item type"s);
}
else
{
LOG(WARNING) << item_type
<< " unrecognized item type. Using gr_complex.";
item_size = sizeof(gr_complex);
}
}
return item_size;
}

12
src/algorithms/signal_source/adapters/signal_source_base.h
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@ -9,7 +9,7 @@
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2021 (see AUTHORS file for a list of contributors)
* Copyright (C) 2010-2022 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
@ -32,11 +32,21 @@ public:
std::string implementation() final;
size_t getRfChannels() const override;
gr::basic_block_sptr get_left_block() override; // non-sensical; implement once
protected:
//! Constructor
SignalSourceBase(ConfigurationInterface const* configuration, std::string role, std::string impl);
//! utility for decoding passed ".item_type" values
//! @param[in] item_type - user provided string, should be one of the known types
//! @param[out] is_interleaved - if non-null, the pointed to memory is updated with
//! whether the data is interleaved I/Q (e.g., ishort)
//! @param[in] throw_on_error - if true, throw an exception if the string does not
//! represent a known type
//! @return the size in bytes of the passed type
size_t decode_item_type(std::string const& item_type, bool* is_interleaved = nullptr, bool throw_on_error = false);
private:
std::string const role_;
std::string const implementation_;

79
src/algorithms/signal_source/adapters/zmq_signal_source.cc Normal file
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@ -0,0 +1,79 @@
/*!
* \file zmq_signal_source.cc
* \brief Signal source which reads from ZeroMQ.
* \author Jim Melton, 2022. jim.melton(at)sncorp.com
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2022 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "zmq_signal_source.h"
#include "configuration_interface.h"
#include "gnss_sdr_string_literals.h"
using namespace std::string_literals;
ZmqSignalSource::ZmqSignalSource(const ConfigurationInterface* configuration,
const std::string& role,
unsigned int /* in_stream [[maybe_unused]] */,
unsigned int /* out_stream [[maybe_unused]] */,
Concurrent_Queue<pmt::pmt_t>* /* queue [[maybe_unused]] */)
: SignalSourceBase(configuration, role, "ZMQ_Signal_Source"s) //
,
d_item_size(decode_item_type(configuration->property(role + ".item_type"s, "gr_complex"s), nullptr, true))
{
auto vlen = configuration->property(role + ".vlen"s, 1);
auto pass_tags = configuration->property(role + ".pass_tags"s, false);
auto timeout_ms = configuration->property(role + ".timeout_ms"s, 100);
auto hwm = configuration->property(role + ".hwm"s, -1);
// Each .endpointN must be specified
for (auto n = 0u; n < getRfChannels(); ++n)
{
auto property = role + ".endpoint"s + std::to_string(n);
auto endpoint = configuration->property(property, ""s);
if (not endpoint.empty())
{
LOG(INFO) << "Connecting to ZMQ pub at " << endpoint;
d_source_blocks.push_back(gr::zeromq::sub_source::make(d_item_size, vlen, endpoint.data(), timeout_ms, pass_tags, hwm));
}
else
{
std::cerr
<< "For ZMQ_Signal_Source " << role << ", the .endpointN property must be defined\n"
<< "for all values of N from 0 to " << getRfChannels() - 1 << std::endl;
throw std::invalid_argument(property + ": undefined");
}
}
}
auto ZmqSignalSource::item_size() -> size_t { return d_item_size; }
auto ZmqSignalSource::connect(gr::top_block_sptr /* top_block [[maybe_unused]] */) -> void
{
// for now, nothing to connect
}
auto ZmqSignalSource::disconnect(gr::top_block_sptr /* top_block [[maybe_unused]] */) -> void
{
// for now, nothing to disconnect
}
auto ZmqSignalSource::get_right_block() -> gr::basic_block_sptr
{
return d_source_blocks.front();
}
auto ZmqSignalSource::get_right_block(int RF_channel) -> gr::basic_block_sptr
{
return d_source_blocks.at(RF_channel); // throws std::out_of_range
}

74
src/algorithms/signal_source/adapters/zmq_signal_source.h Normal file
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@ -0,0 +1,74 @@
/*!
* \file zmq_signal_source.h
* \brief Signal source which reads from ZeroMQ.
* \author Jim Melton, 2022. jim.melton(at)sncorp.com
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2022 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_ZMQ_SIGNAL_SOURCE_H
#define GNSS_SDR_ZMQ_SIGNAL_SOURCE_H
#include "signal_source_base.h"
//
#include "concurrent_queue.h"
#include <gnuradio/zeromq/sub_source.h>
#include <pmt/pmt.h>
/** \addtogroup Signal_Source
* \{ */
/** \addtogroup Signal_Source_adapters
* \{ */
//! This class supports the following properties:
//!
//! .pass_tags - boolean flag if tags should be propagated (default false)
//! .timeout_ms - receive timeout, in milliseconds (default 100)
//! .hwm - ZMQ high water mark (default -1, ZMQ default)
//! .vlen - vector length of the input items (default 1, one item)
//! .endpointN - the ZMQ endpoint to be connected to (repeat for each channel)
//!
//! .item_type - data type of the samples (default "gr_complex")
//!
//! (probably should be abstracted to the base class)
//!
//! .dump - whether to archive input data
//!
//! .dump_filename - if dumping, path to file for output
//!
class ZmqSignalSource : public SignalSourceBase
{
public:
ZmqSignalSource(const ConfigurationInterface* configuration,
const std::string& role,
unsigned int in_stream,
unsigned int out_stream,
Concurrent_Queue<pmt::pmt_t>* queue);
~ZmqSignalSource() = default;
size_t item_size() override;
auto connect(gr::top_block_sptr top_block) -> void override;
auto disconnect(gr::top_block_sptr top_block) -> void override;
auto get_right_block() -> gr::basic_block_sptr override;
auto get_right_block(int RF_channel) -> gr::basic_block_sptr override;
private:
std::vector<gr::zeromq::sub_source::sptr> d_source_blocks;
size_t d_item_size;
};
/** \} */
/** \} */
#endif

6
src/core/receiver/CMakeLists.txt
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@ -1,7 +1,7 @@
# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
# This file is part of GNSS-SDR.
#
# SPDX-FileCopyrightText: 2010-2020 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-FileCopyrightText: 2010-2022 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-License-Identifier: BSD-3-Clause
@ -112,6 +112,10 @@ if(ENABLE_ARRAY)
target_compile_definitions(core_receiver PRIVATE -DRAW_ARRAY_DRIVER=1)
endif()
if(ENABLE_ZMQ)
target_compile_definitions(core_receiver PRIVATE -DZEROMQ_DRIVER=1)
endif()
if(ENABLE_FLEXIBAND)
target_compile_definitions(core_receiver PRIVATE -DFLEXIBAND_DRIVER=1)
endif()

16
src/core/receiver/gnss_block_factory.cc
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@ -16,7 +16,7 @@
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* Copyright (C) 2010-2022 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
@ -171,6 +171,10 @@
#include "flexiband_signal_source.h"
#endif
#if ZEROMQ_DRIVER
#include "zmq_signal_source.h"
#endif
#if CUDA_GPU_ACCEL
#include "gps_l1_ca_dll_pll_tracking_gpu.h"
#endif
@ -799,6 +803,16 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetBlock(
}
#endif
#if ZEROMQ_DRIVER
else if (implementation == "ZMQ_Signal_Source")
{
std::unique_ptr<GNSSBlockInterface> block_ = std::make_unique<ZmqSignalSource>(configuration, role, in_streams,
out_streams, queue);
block = std::move(block_);
}
#endif
// DATA TYPE ADAPTER -----------------------------------------------------------
else if (implementation == "Byte_To_Short")
{