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//
// Copyright 2011-2012 Ettus Research LLC
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <boost/test/unit_test.hpp>
#include "../lib/transport/super_send_packet_handler.hpp"
#include <boost/shared_array.hpp>
#include <boost/bind.hpp>
#include <complex>
#include <vector>
#include <list>
#define BOOST_CHECK_TS_CLOSE(a, b) \
BOOST_CHECK_CLOSE((a).get_real_secs(), (b).get_real_secs(), 0.001)
/***********************************************************************
* A dummy managed send buffer for testing
**********************************************************************/
class dummy_msb : public uhd::transport::managed_send_buffer{
public:
void release(void){
//NOP
}
sptr get_new(boost::shared_array<char> mem, size_t *len){
_mem = mem;
return make(this, mem.get(), *len);
}
private:
boost::shared_array<char> _mem;
};
/***********************************************************************
* A dummy transport class to fill with fake data
**********************************************************************/
class dummy_send_xport_class{
public:
dummy_send_xport_class(const std::string &end){
_end = end;
}
void pop_front_packet(
uhd::transport::vrt::if_packet_info_t &ifpi
){
ifpi.num_packet_words32 = _lens.front()/sizeof(boost::uint32_t);
if (_end == "big"){
uhd::transport::vrt::if_hdr_unpack_be(reinterpret_cast<boost::uint32_t *>(_mems.front().get()), ifpi);
}
if (_end == "little"){
uhd::transport::vrt::if_hdr_unpack_le(reinterpret_cast<boost::uint32_t *>(_mems.front().get()), ifpi);
}
_mems.pop_front();
_lens.pop_front();
}
uhd::transport::managed_send_buffer::sptr get_send_buff(double){
_msbs.push_back(boost::shared_ptr<dummy_msb>(new dummy_msb()));
_mems.push_back(boost::shared_array<char>(new char[1000]));
_lens.push_back(1000);
uhd::transport::managed_send_buffer::sptr mrb = _msbs.back()->get_new(_mems.back(), &_lens.back());
return mrb;
}
private:
std::list<boost::shared_array<char> > _mems;
std::list<size_t> _lens;
std::vector<boost::shared_ptr<dummy_msb> > _msbs;
std::string _end;
};
////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE(test_sph_send_one_channel_one_packet_mode){
////////////////////////////////////////////////////////////////////////
uhd::convert::id_type id;
id.input_format = "fc32";
id.num_inputs = 1;
id.output_format = "sc16_item32_be";
id.num_outputs = 1;
dummy_send_xport_class dummy_send_xport("big");
static const double TICK_RATE = 100e6;
static const double SAMP_RATE = 10e6;
static const size_t NUM_PKTS_TO_TEST = 30;
//create the super send packet handler
uhd::transport::sph::send_packet_handler handler(1);
handler.set_vrt_packer(&uhd::transport::vrt::if_hdr_pack_be);
handler.set_tick_rate(TICK_RATE);
handler.set_samp_rate(SAMP_RATE);
handler.set_xport_chan_get_buff(0, boost::bind(&dummy_send_xport_class::get_send_buff, &dummy_send_xport, _1));
handler.set_converter(id);
handler.set_max_samples_per_packet(20);
//allocate metadata and buffer
std::vector<std::complex<float> > buff(20);
uhd::tx_metadata_t metadata;
metadata.has_time_spec = true;
metadata.time_spec = uhd::time_spec_t(0.0);
//generate the test data
for (size_t i = 0; i < NUM_PKTS_TO_TEST; i++){
metadata.start_of_burst = (i == 0);
metadata.end_of_burst = (i == NUM_PKTS_TO_TEST-1);
const size_t num_sent = handler.send(
&buff.front(), 10 + i%10, metadata, 1.0
);
BOOST_CHECK_EQUAL(num_sent, 10 + i%10);
metadata.time_spec += uhd::time_spec_t(0, num_sent, SAMP_RATE);
}
//check the sent packets
size_t num_accum_samps = 0;
uhd::transport::vrt::if_packet_info_t ifpi;
for (size_t i = 0; i < NUM_PKTS_TO_TEST; i++){
std::cout << "data check " << i << std::endl;
dummy_send_xport.pop_front_packet(ifpi);
BOOST_CHECK_EQUAL(ifpi.num_payload_words32, 10+i%10);
BOOST_CHECK(ifpi.has_tsf);
BOOST_CHECK_EQUAL(ifpi.tsf, num_accum_samps*TICK_RATE/SAMP_RATE);
BOOST_CHECK_EQUAL(ifpi.sob, i == 0);
BOOST_CHECK_EQUAL(ifpi.eob, i == NUM_PKTS_TO_TEST-1);
num_accum_samps += ifpi.num_payload_words32;
}
}
////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE(test_sph_send_one_channel_full_buffer_mode){
////////////////////////////////////////////////////////////////////////
uhd::convert::id_type id;
id.input_format = "fc32";
id.num_inputs = 1;
id.output_format = "sc16_item32_be";
id.num_outputs = 1;
dummy_send_xport_class dummy_send_xport("big");
static const double TICK_RATE = 100e6;
static const double SAMP_RATE = 10e6;
static const size_t NUM_PKTS_TO_TEST = 30;
//create the super send packet handler
uhd::transport::sph::send_packet_handler handler(1);
handler.set_vrt_packer(&uhd::transport::vrt::if_hdr_pack_be);
handler.set_tick_rate(TICK_RATE);
handler.set_samp_rate(SAMP_RATE);
handler.set_xport_chan_get_buff(0, boost::bind(&dummy_send_xport_class::get_send_buff, &dummy_send_xport, _1));
handler.set_converter(id);
handler.set_max_samples_per_packet(20);
//allocate metadata and buffer
std::vector<std::complex<float> > buff(20*NUM_PKTS_TO_TEST);
uhd::tx_metadata_t metadata;
metadata.start_of_burst = true;
metadata.end_of_burst = true;
metadata.has_time_spec = true;
metadata.time_spec = uhd::time_spec_t(0.0);
//generate the test data
const size_t num_sent = handler.send(
&buff.front(), buff.size(), metadata, 1.0
);
BOOST_CHECK_EQUAL(num_sent, buff.size());
//check the sent packets
size_t num_accum_samps = 0;
uhd::transport::vrt::if_packet_info_t ifpi;
for (size_t i = 0; i < NUM_PKTS_TO_TEST; i++){
std::cout << "data check " << i << std::endl;
dummy_send_xport.pop_front_packet(ifpi);
BOOST_CHECK_EQUAL(ifpi.num_payload_words32, 20);
BOOST_CHECK(ifpi.has_tsf);
BOOST_CHECK_EQUAL(ifpi.tsf, num_accum_samps*TICK_RATE/SAMP_RATE);
BOOST_CHECK_EQUAL(ifpi.sob, i == 0);
BOOST_CHECK_EQUAL(ifpi.eob, i == NUM_PKTS_TO_TEST-1);
num_accum_samps += ifpi.num_payload_words32;
}
}
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