forked from sdr/gr-osmosdr
rtl_tcp: add initial component files
For use with the rtl_tcp utility acting as a spectrum server. The "empty" rtl_tcp= device hint might be used to connect to rtl_tcp running on local machine.gr3.6
parent
3a066ff258
commit
f94d8da48e
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@ -112,9 +112,10 @@ The device argument is a delimited string used to locate devices on your system.
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Use the device id or name (if applicable) to specify a certain device or list
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of devices. If left blank, the first device found will be used.
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Examples:
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Examples (some arguments may be optional):
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fcd=0
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rtl=0,rtl_xtal=28.80001e6,tuner_xtal=26e6,buffers=64 ...
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rtl_tcp=host=127.0.0.1,port=1234,eof=false,wait=true,psize=16384
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uhd=0|name,mcr=52e6,nchan=2,subdev='\\\\'B:0 A:0'\\\\' ...
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osmosdr=0|name,mcr=64e6,nchan=5,port=/dev/ttyUSB0 ...
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file=/path/to/file.ext,freq=428e6,rate=1e6,repeat=true,throttle=true ...
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@ -86,6 +86,16 @@ if(ENABLE_RTL)
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GR_INCLUDE_SUBDIRECTORY(rtl)
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endif(ENABLE_RTL)
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########################################################################
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# Setup RTL_TCP component
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########################################################################
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include(GrComponent)
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GR_REGISTER_COMPONENT("Osmocom RTLSDR TCP Client" ENABLE_RTL_TCP GNURADIO_CORE_FOUND)
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if(ENABLE_RTL_TCP)
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GR_INCLUDE_SUBDIRECTORY(rtl_tcp)
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endif(ENABLE_RTL_TCP)
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########################################################################
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# Setup UHD component
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########################################################################
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@ -5,6 +5,7 @@
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#cmakedefine ENABLE_FCD
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#cmakedefine ENABLE_FILE
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#cmakedefine ENABLE_RTL
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#cmakedefine ENABLE_RTL_TCP
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#cmakedefine ENABLE_UHD
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#endif // CONFIG_H_IN
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@ -46,6 +46,10 @@
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#include <rtl_source_c.h>
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#endif
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#ifdef ENABLE_RTL_TCP
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#include <rtl_tcp_source_c.h>
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#endif
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#ifdef ENABLE_UHD
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#include <uhd_source_c.h>
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#endif
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@ -83,6 +87,7 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
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dict.count("fcd") |
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dict.count("file") |
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dict.count("rtl") |
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dict.count("rtl_tcp") |
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dict.count("uhd") )
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{
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device_specified = true;
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@ -159,6 +164,14 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
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}
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#endif
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#ifdef ENABLE_RTL_TCP
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if ( dict.count("rtl_tcp") ) {
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rtl_tcp_source_c_sptr src = make_rtl_tcp_source_c( arg );
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connect(src, 0, self(), channel++);
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_devs.push_back( src.get() );
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}
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#endif
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#ifdef ENABLE_UHD
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if ( dict.count("uhd") ) {
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uhd_source_c_sptr src = make_uhd_source_c( arg );
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@ -0,0 +1,36 @@
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# Copyright 2012 Free Software Foundation, Inc.
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#
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# This file is part of GNU Radio
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#
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# GNU Radio 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, or (at your option)
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# any later version.
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#
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# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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########################################################################
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# This file included, use CMake directory variables
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########################################################################
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include_directories(APPEND ${CMAKE_CURRENT_SOURCE_DIR})
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set(rtl_tcp_srcs
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${CMAKE_CURRENT_SOURCE_DIR}/rtl_tcp_source_f.cc
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${CMAKE_CURRENT_SOURCE_DIR}/rtl_tcp_source_c.cc
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)
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########################################################################
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# Append gnuradio-osmosdr library sources
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########################################################################
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list(APPEND gr_osmosdr_srcs ${rtl_tcp_srcs})
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list(APPEND gr_osmosdr_libs ${GNURADIO_CORE_LIBRARIES})
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@ -0,0 +1,230 @@
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/* -*- c++ -*- */
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/*
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* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
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*
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* GNU Radio 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, or (at your option)
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* any later version.
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*
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* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include <fstream>
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#include <string>
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#include <sstream>
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#include <boost/assign.hpp>
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#include <gr_io_signature.h>
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#include <gr_deinterleave.h>
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#include <gr_float_to_complex.h>
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#include "rtl_tcp_source_c.h"
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#include <osmosdr_arg_helpers.h>
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using namespace boost::assign;
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rtl_tcp_source_c_sptr make_rtl_tcp_source_c(const std::string &args)
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{
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return gnuradio::get_initial_sptr(new rtl_tcp_source_c(args));
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}
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rtl_tcp_source_c::rtl_tcp_source_c(const std::string &args) :
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gr_hier_block2("rtl_tcp_source_c",
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gr_make_io_signature (0, 0, 0),
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gr_make_io_signature (1, 1, sizeof (gr_complex)))
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{
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std::string host = "127.0.0.1";
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unsigned short port = 1234;
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bool eof = false;
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bool wait = true;
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int payload_size = 16384;
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_freq = 0;
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_rate = 0;
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dict_t dict = params_to_dict(args);
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if (dict.count("host"))
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host = dict["host"];
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if (dict.count("port"))
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port = boost::lexical_cast< unsigned short >( dict["port"] );
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if (dict.count("eof"))
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eof = "true" == dict["eof"] ? true : false;
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if (dict.count("wait"))
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wait = "true" == dict["wait"] ? true : false;
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if (dict.count("psize"))
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payload_size = boost::lexical_cast< int >( dict["psize"] );
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if (!host.length())
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host = "127.0.0.1";
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if (0 == port)
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port = 1234;
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if (payload_size <= 0)
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payload_size = 16384;
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_src = make_rtl_tcp_source_f(sizeof(float), host.c_str(), port, payload_size,
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eof, wait);
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/* rtl tcp source provides a stream of interleaved IQ floats */
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gr_deinterleave_sptr deinterleave = gr_make_deinterleave(sizeof(float));
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/* block to convert deinterleaved floats to a complex stream */
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gr_float_to_complex_sptr f2c = gr_make_float_to_complex(1);
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connect(_src, 0, deinterleave, 0);
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connect(deinterleave, 0, f2c, 0); /* I */
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connect(deinterleave, 1, f2c, 1); /* Q */
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connect(f2c, 0, self(), 0);
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}
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rtl_tcp_source_c::~rtl_tcp_source_c()
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{
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}
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gr_basic_block_sptr rtl_tcp_source_c::self()
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{
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return gr_hier_block2::self();
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}
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std::string rtl_tcp_source_c::name()
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{
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return "RTL TCP Client Source";
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}
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size_t rtl_tcp_source_c::get_num_channels( void )
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{
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return 1;
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}
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osmosdr::meta_range_t rtl_tcp_source_c::get_sample_rates( void )
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{
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osmosdr::meta_range_t range;
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range += osmosdr::range_t( get_sample_rate() );
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return range;
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}
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double rtl_tcp_source_c::set_sample_rate( double rate )
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{
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return get_sample_rate();
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}
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double rtl_tcp_source_c::get_sample_rate( void )
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{
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return _rate;
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}
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osmosdr::freq_range_t rtl_tcp_source_c::get_freq_range( size_t chan )
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{
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osmosdr::freq_range_t range(50e6, 2.2e6, 100);
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return range;
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}
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double rtl_tcp_source_c::set_center_freq( double freq, size_t chan )
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{
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_src->set_freq( int(freq) );
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_freq = freq;
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return get_center_freq(chan);
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}
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double rtl_tcp_source_c::get_center_freq( size_t chan )
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{
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return _freq;
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}
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double rtl_tcp_source_c::set_freq_corr( double ppm, size_t chan )
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{
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return get_freq_corr( chan );
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}
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double rtl_tcp_source_c::get_freq_corr( size_t chan )
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{
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return 0;
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}
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std::vector<std::string> rtl_tcp_source_c::get_gain_names( size_t chan )
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{
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return std::vector< std::string >();
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}
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osmosdr::gain_range_t rtl_tcp_source_c::get_gain_range( size_t chan )
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{
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osmosdr::gain_range_t range(0, 0);
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return range;
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}
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osmosdr::gain_range_t rtl_tcp_source_c::get_gain_range( const std::string & name, size_t chan )
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{
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return get_gain_range( chan );
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}
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bool rtl_tcp_source_c::set_gain_mode( bool mode, size_t chan )
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{
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return get_gain_mode(chan);
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}
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bool rtl_tcp_source_c::get_gain_mode( size_t chan )
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{
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return true;
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}
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double rtl_tcp_source_c::set_gain( double gain, size_t chan )
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{
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return get_gain(chan);
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}
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double rtl_tcp_source_c::set_gain( double gain, const std::string & name, size_t chan )
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{
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return set_gain(chan);
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}
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double rtl_tcp_source_c::get_gain( size_t chan )
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{
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return 0;
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}
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double rtl_tcp_source_c::get_gain( const std::string & name, size_t chan )
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{
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return get_gain(chan);
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}
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std::vector< std::string > rtl_tcp_source_c::get_antennas( size_t chan )
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{
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std::vector< std::string > antennas;
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antennas += get_antenna(chan);
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return antennas;
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}
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std::string rtl_tcp_source_c::set_antenna( const std::string & antenna, size_t chan )
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{
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return get_antenna(chan);
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}
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std::string rtl_tcp_source_c::get_antenna( size_t chan )
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{
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return "ANT";
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}
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@ -0,0 +1,82 @@
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/* -*- c++ -*- */
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/*
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* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
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*
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* GNU Radio 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, or (at your option)
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* any later version.
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*
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* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef RTL_TCP_SOURCE_C_H
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#define RTL_TCP_SOURCE_C_H
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#include <gr_hier_block2.h>
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#include "osmosdr_src_iface.h"
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#include "rtl_tcp_source_f.h"
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class rtl_tcp_source_c;
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typedef boost::shared_ptr< rtl_tcp_source_c > rtl_tcp_source_c_sptr;
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rtl_tcp_source_c_sptr make_rtl_tcp_source_c( const std::string & args = "" );
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class rtl_tcp_source_c :
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public gr_hier_block2,
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public osmosdr_src_iface
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{
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private:
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friend rtl_tcp_source_c_sptr make_rtl_tcp_source_c(const std::string &args);
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rtl_tcp_source_c(const std::string &args);
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public:
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~rtl_tcp_source_c();
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gr_basic_block_sptr self();
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std::string name();
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size_t get_num_channels( void );
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osmosdr::meta_range_t get_sample_rates( void );
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double set_sample_rate( double rate );
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double get_sample_rate( void );
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osmosdr::freq_range_t get_freq_range( size_t chan = 0 );
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double set_center_freq( double freq, size_t chan = 0 );
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double get_center_freq( size_t chan = 0 );
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double set_freq_corr( double ppm, size_t chan = 0 );
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double get_freq_corr( size_t chan = 0 );
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std::vector<std::string> get_gain_names( size_t chan = 0 );
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osmosdr::gain_range_t get_gain_range( size_t chan = 0 );
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osmosdr::gain_range_t get_gain_range( const std::string & name, size_t chan = 0 );
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bool set_gain_mode( bool mode, size_t chan = 0 );
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bool get_gain_mode( size_t chan = 0 );
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double set_gain( double gain, size_t chan = 0 );
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double set_gain( double gain, const std::string & name, size_t chan = 0 );
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double get_gain( size_t chan = 0 );
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double get_gain( const std::string & name, size_t chan = 0 );
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std::vector< std::string > get_antennas( size_t chan = 0 );
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std::string set_antenna( const std::string & antenna, size_t chan = 0 );
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std::string get_antenna( size_t chan = 0 );
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private:
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double _freq, _rate;
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rtl_tcp_source_f_sptr _src;
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};
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#endif // RTL_TCP_SOURCE_C_H
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@ -0,0 +1,259 @@
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/* -*- c++ -*- */
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/*
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* Copyright 2012 Hoernchen <la@tfc-server.de>
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*
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* GNU Radio 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, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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//#define HAVE_WINDOWS_H
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#include <rtl_tcp_source_f.h>
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#include <gr_io_signature.h>
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#include <stdexcept>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#define USE_SELECT 1 // non-blocking receive on all platforms
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#define USE_RCV_TIMEO 0 // non-blocking receive on all but Cygwin
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#define SRC_VERBOSE 0
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#define SNK_VERBOSE 0
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static int is_error( int perr )
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{
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// Compare error to posix error code; return nonzero if match.
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#if defined(USING_WINSOCK)
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#define ENOPROTOOPT 109
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// All codes to be checked for must be defined below
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int werr = WSAGetLastError();
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switch( werr ) {
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case WSAETIMEDOUT:
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return( perr == EAGAIN );
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case WSAENOPROTOOPT:
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return( perr == ENOPROTOOPT );
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default:
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fprintf(stderr,"rtl_tcp_source_f: unknown error %d WS err %d \n", perr, werr );
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||||
throw std::runtime_error("internal error");
|
||||
}
|
||||
return 0;
|
||||
#else
|
||||
return( perr == errno );
|
||||
#endif
|
||||
}
|
||||
|
||||
static void report_error( const char *msg1, const char *msg2 )
|
||||
{
|
||||
// Deal with errors, both posix and winsock
|
||||
#if defined(USING_WINSOCK)
|
||||
int werr = WSAGetLastError();
|
||||
fprintf(stderr, "%s: winsock error %d\n", msg1, werr );
|
||||
#else
|
||||
perror(msg1);
|
||||
#endif
|
||||
if( msg2 != NULL )
|
||||
throw std::runtime_error(msg2);
|
||||
return;
|
||||
}
|
||||
|
||||
rtl_tcp_source_f::rtl_tcp_source_f(size_t itemsize,
|
||||
const char *host,
|
||||
unsigned short port,
|
||||
int payload_size,
|
||||
bool eof,
|
||||
bool wait)
|
||||
: gr_sync_block ("rtl_tcp_source_f",
|
||||
gr_make_io_signature(0, 0, 0),
|
||||
gr_make_io_signature(1, 1, sizeof(float))),
|
||||
d_itemsize(itemsize),
|
||||
d_payload_size(payload_size),
|
||||
d_eof(eof),
|
||||
d_wait(wait),
|
||||
d_socket(-1),
|
||||
d_residual(0),
|
||||
d_temp_offset(0),
|
||||
curr_freq(0)
|
||||
{
|
||||
int ret = 0;
|
||||
struct sockaddr_in cliaddr;
|
||||
socklen_t clilen;
|
||||
#if defined(USING_WINSOCK) // for Windows (with MinGW)
|
||||
// initialize winsock DLL
|
||||
WSADATA wsaData;
|
||||
int iResult = WSAStartup( MAKEWORD(2,2), &wsaData );
|
||||
if( iResult != NO_ERROR ) {
|
||||
report_error( "rtl_tcp_source_f WSAStartup", "can't open socket" );
|
||||
}
|
||||
#endif
|
||||
|
||||
// Set up the address stucture for the source address and port numbers
|
||||
// Get the source IP address from the host name
|
||||
struct addrinfo *ip_src; // store the source IP address to use
|
||||
struct addrinfo hints;
|
||||
memset( (void*)&hints, 0, sizeof(hints) );
|
||||
hints.ai_family = AF_INET;
|
||||
hints.ai_socktype = SOCK_STREAM;
|
||||
hints.ai_protocol = IPPROTO_TCP;
|
||||
hints.ai_flags = AI_PASSIVE;
|
||||
char port_str[12];
|
||||
sprintf( port_str, "%d", port );
|
||||
|
||||
// FIXME leaks if report_error throws below
|
||||
ret = getaddrinfo( host, port_str, &hints, &ip_src );
|
||||
if( ret != 0 )
|
||||
report_error("rtl_tcp_source_f/getaddrinfo",
|
||||
"can't initialize source socket" );
|
||||
|
||||
// FIXME leaks if report_error throws below
|
||||
d_temp_buff = new unsigned char[d_payload_size]; // allow it to hold up to payload_size bytes
|
||||
d_LUT= new float[0xff+1];
|
||||
for(int i=0; i <=(0xff);++i){
|
||||
d_LUT[i] = (((float)(i&0xff))-127.5f)*(1.0f/128.0f);
|
||||
}
|
||||
// create socket
|
||||
d_socket = socket(ip_src->ai_family, ip_src->ai_socktype,
|
||||
ip_src->ai_protocol);
|
||||
if(d_socket == -1) {
|
||||
report_error("socket open","can't open socket");
|
||||
}
|
||||
|
||||
// Turn on reuse address
|
||||
int opt_val = 1;
|
||||
if(setsockopt(d_socket, SOL_SOCKET, SO_REUSEADDR, (optval_t)&opt_val, sizeof(int)) == -1) {
|
||||
report_error("SO_REUSEADDR","can't set socket option SO_REUSEADDR");
|
||||
}
|
||||
|
||||
// Don't wait when shutting down
|
||||
linger lngr;
|
||||
lngr.l_onoff = 1;
|
||||
lngr.l_linger = 0;
|
||||
if(setsockopt(d_socket, SOL_SOCKET, SO_LINGER, (optval_t)&lngr, sizeof(linger)) == -1) {
|
||||
if( !is_error(ENOPROTOOPT) ) { // no SO_LINGER for SOCK_DGRAM on Windows
|
||||
report_error("SO_LINGER","can't set socket option SO_LINGER");
|
||||
}
|
||||
}
|
||||
|
||||
#if USE_RCV_TIMEO
|
||||
// Set a timeout on the receive function to not block indefinitely
|
||||
// This value can (and probably should) be changed
|
||||
// Ignored on Cygwin
|
||||
#if defined(USING_WINSOCK)
|
||||
DWORD timeout = 1000; // milliseconds
|
||||
#else
|
||||
timeval timeout;
|
||||
timeout.tv_sec = 1;
|
||||
timeout.tv_usec = 0;
|
||||
#endif
|
||||
if(setsockopt(d_socket, SOL_SOCKET, SO_RCVTIMEO, (optval_t)&timeout, sizeof(timeout)) == -1) {
|
||||
report_error("SO_RCVTIMEO","can't set socket option SO_RCVTIMEO");
|
||||
}
|
||||
#endif // USE_RCV_TIMEO
|
||||
|
||||
|
||||
while(connect(d_socket, ip_src->ai_addr, ip_src->ai_addrlen) != 0);
|
||||
freeaddrinfo(ip_src);
|
||||
|
||||
int flag = 1;
|
||||
setsockopt(d_socket, IPPROTO_TCP, TCP_NODELAY, (char *)&flag,sizeof(flag));
|
||||
}
|
||||
|
||||
rtl_tcp_source_f_sptr make_rtl_tcp_source_f (size_t itemsize,
|
||||
const char *ipaddr,
|
||||
unsigned short port,
|
||||
int payload_size,
|
||||
bool eof,
|
||||
bool wait)
|
||||
{
|
||||
return gnuradio::get_initial_sptr(new rtl_tcp_source_f (
|
||||
itemsize,
|
||||
ipaddr,
|
||||
port,
|
||||
payload_size,
|
||||
eof,
|
||||
wait));
|
||||
}
|
||||
|
||||
rtl_tcp_source_f::~rtl_tcp_source_f ()
|
||||
{
|
||||
delete [] d_temp_buff;
|
||||
|
||||
if (d_socket != -1){
|
||||
shutdown(d_socket, SHUT_RDWR);
|
||||
#if defined(USING_WINSOCK)
|
||||
closesocket(d_socket);
|
||||
#else
|
||||
::close(d_socket);
|
||||
#endif
|
||||
d_socket = -1;
|
||||
}
|
||||
|
||||
#if defined(USING_WINSOCK) // for Windows (with MinGW)
|
||||
// free winsock resources
|
||||
WSACleanup();
|
||||
#endif
|
||||
}
|
||||
|
||||
int rtl_tcp_source_f::work (int noutput_items,
|
||||
gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items)
|
||||
{
|
||||
float *out = (float *) output_items[0];
|
||||
ssize_t r=0, nbytes=0, bytes_received=0;
|
||||
ssize_t total_bytes = (ssize_t)(d_itemsize*noutput_items);
|
||||
|
||||
int bytesleft = noutput_items;
|
||||
int index = 0;
|
||||
int receivedbytes = 0;
|
||||
while(bytesleft > 0) {
|
||||
receivedbytes = recv(d_socket, (char*)&d_temp_buff[index], bytesleft, 0);
|
||||
|
||||
if(receivedbytes == -1 && !is_error(EAGAIN)){
|
||||
fprintf(stderr, "socket error\n");
|
||||
return -1;
|
||||
}
|
||||
bytesleft -= receivedbytes;
|
||||
index += receivedbytes;
|
||||
}
|
||||
r = noutput_items;
|
||||
|
||||
for(int i=0; i<r; ++i)
|
||||
out[i]=d_LUT[*(d_temp_buff+d_temp_offset+i)];
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
#ifdef _WIN32
|
||||
#define __attribute__(x)
|
||||
#pragma pack(push, 1)
|
||||
#endif
|
||||
struct command{
|
||||
unsigned char cmd;
|
||||
unsigned int param;
|
||||
}__attribute__((packed));
|
||||
#ifdef _WIN32
|
||||
#pragma pack(pop)
|
||||
#endif
|
||||
|
||||
void rtl_tcp_source_f::set_freq(int freq)
|
||||
{
|
||||
struct command cmd;
|
||||
|
||||
if (freq != curr_freq) {
|
||||
cmd.cmd = 0x01;
|
||||
cmd.param = freq;
|
||||
send(d_socket, (const char*)&cmd, sizeof(cmd), 0);
|
||||
curr_freq = freq;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,99 @@
|
|||
/* -*- c++ -*- */
|
||||
/*
|
||||
* Copyright 2012 Hoernchen <la@tfc-server.de>
|
||||
*
|
||||
* GNU Radio 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, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef RTL_TCP_SOURCE_F_H
|
||||
#define RTL_TCP_SOURCE_F_H
|
||||
|
||||
#include <osmosdr_api.h>
|
||||
|
||||
#include <gr_sync_block.h>
|
||||
#include <gruel/thread.h>
|
||||
|
||||
#if defined(_WIN32)
|
||||
// if not posix, assume winsock
|
||||
#pragma comment(lib, "ws2_32.lib")
|
||||
#define USING_WINSOCK
|
||||
#include <winsock2.h>
|
||||
#include <ws2tcpip.h>
|
||||
#define SHUT_RDWR 2
|
||||
typedef char* optval_t;
|
||||
#else
|
||||
#include <netdb.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/tcp.h>
|
||||
#include <arpa/inet.h>
|
||||
typedef void* optval_t;
|
||||
#endif
|
||||
|
||||
#define ssize_t int
|
||||
|
||||
class rtl_tcp_source_f;
|
||||
typedef boost::shared_ptr<rtl_tcp_source_f> rtl_tcp_source_f_sptr;
|
||||
|
||||
OSMOSDR_API rtl_tcp_source_f_sptr make_rtl_tcp_source_f (
|
||||
size_t itemsize,
|
||||
const char *host,
|
||||
unsigned short port,
|
||||
int payload_size,
|
||||
bool eof,
|
||||
bool wait);
|
||||
|
||||
class OSMOSDR_API rtl_tcp_source_f : public gr_sync_block
|
||||
{
|
||||
private:
|
||||
size_t d_itemsize;
|
||||
int d_payload_size; // maximum transmission unit (packet length)
|
||||
bool d_eof; // zero-length packet is EOF
|
||||
bool d_wait; // wait if data if not immediately available
|
||||
int d_socket; // handle to socket
|
||||
unsigned char *d_temp_buff; // hold buffer between calls
|
||||
ssize_t d_residual; // hold information about number of bytes stored in the temp buffer
|
||||
size_t d_temp_offset; // point to temp buffer location offset
|
||||
int curr_freq;
|
||||
float *d_LUT;
|
||||
|
||||
private:
|
||||
rtl_tcp_source_f(size_t itemsize, const char *host,
|
||||
unsigned short port, int payload_size, bool eof, bool wait);
|
||||
|
||||
// The friend declaration allows make_source_c to
|
||||
// access the private constructor.
|
||||
friend OSMOSDR_API rtl_tcp_source_f_sptr make_rtl_tcp_source_f (
|
||||
size_t itemsize,
|
||||
const char *host,
|
||||
unsigned short port,
|
||||
int payload_size,
|
||||
bool eof,
|
||||
bool wait);
|
||||
|
||||
public:
|
||||
~rtl_tcp_source_f();
|
||||
|
||||
int work(int noutput_items,
|
||||
gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items);
|
||||
|
||||
void set_freq(int freq);
|
||||
};
|
||||
|
||||
|
||||
#endif /* RTL_TCP_SOURCE_F_H */
|
Loading…
Reference in New Issue