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//
// Copyright 2014 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 <uhd/transport/chdr.hpp>
#include <uhd/utils/byteswap.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/format.hpp>
#include <cstdlib>
#include <iostream>
using namespace uhd::transport::vrt;
static void pack_and_unpack(
if_packet_info_t &if_packet_info_in
){
// Temp buffer for packed packet
uint32_t packet_buff[2048] = {0};
// Check input (must not be lazy)
BOOST_REQUIRE(
(if_packet_info_in.num_payload_words32 == 0 and if_packet_info_in.num_payload_bytes == 0)
or
(if_packet_info_in.num_payload_words32 != 0 and if_packet_info_in.num_payload_bytes != 0)
);
if (if_packet_info_in.num_payload_words32) {
BOOST_REQUIRE(if_packet_info_in.num_payload_bytes <= 4 * if_packet_info_in.num_payload_words32);
BOOST_REQUIRE(if_packet_info_in.num_payload_bytes > 4*(if_packet_info_in.num_payload_words32-1));
}
//pack metadata into a vrt header
chdr::if_hdr_pack_be(
packet_buff, if_packet_info_in
);
std::cout << std::endl;
uint32_t header_bits = (uhd::ntohx(packet_buff[0]) >> 28);
std::cout << boost::format("header bits = 0b%d%d%d%d") % ((header_bits & 8) > 0)
% ((header_bits & 4) > 0)
% ((header_bits & 2) > 0)
% ((header_bits & 1) > 0) << std::endl;
for (size_t i = 0; i < 5; i++)
{
std::cout << boost::format("packet_buff[%u] = 0x%08x") % i % uhd::ntohx(packet_buff[i]) << std::endl;
}
if_packet_info_t if_packet_info_out;
// Must be set a-priori as per contract
if_packet_info_out.num_packet_words32 = if_packet_info_in.num_packet_words32;
//unpack the vrt header back into metadata
chdr::if_hdr_unpack_be(
packet_buff, if_packet_info_out
);
//check the the unpacked metadata is the same
BOOST_CHECK_EQUAL(if_packet_info_in.packet_count, if_packet_info_out.packet_count);
BOOST_CHECK_EQUAL(if_packet_info_in.num_header_words32, if_packet_info_out.num_header_words32);
BOOST_CHECK_EQUAL(if_packet_info_in.num_payload_words32, if_packet_info_out.num_payload_words32);
BOOST_CHECK(if_packet_info_out.has_sid);
BOOST_CHECK_EQUAL(if_packet_info_in.sid, if_packet_info_out.sid);
BOOST_CHECK(if_packet_info_out.has_sid);
BOOST_CHECK_EQUAL(if_packet_info_in.has_tsf, if_packet_info_out.has_tsf);
if (if_packet_info_in.has_tsf and if_packet_info_out.has_tsf){
BOOST_CHECK_EQUAL(if_packet_info_in.tsf, if_packet_info_out.tsf);
}
}
BOOST_AUTO_TEST_CASE(test_with_chdr){
if_packet_info_t if_packet_info;
if_packet_info.packet_type = if_packet_info_t::PACKET_TYPE_DATA;
if_packet_info.eob = false;
if_packet_info.packet_count = 7;
if_packet_info.has_tsf = true;
if_packet_info.tsf = 0x1234567890ABCDEFull;
if_packet_info.sid = 0xAABBCCDD;
if_packet_info.num_payload_words32 = 24;
if_packet_info.num_payload_bytes = 95;
pack_and_unpack(if_packet_info);
}
BOOST_AUTO_TEST_CASE(test_with_chdr_fc){
if_packet_info_t if_packet_info;
if_packet_info.packet_type = if_packet_info_t::PACKET_TYPE_FC;
if_packet_info.eob = false;
if_packet_info.packet_count = 19;
if_packet_info.has_tsf = false;
if_packet_info.tsf = 0x1234567890ABCDEFull;
if_packet_info.sid = 0xAABBCCDD;
if_packet_info.num_payload_words32 = 4;
if_packet_info.num_payload_bytes = 16;
pack_and_unpack(if_packet_info);
}
BOOST_AUTO_TEST_CASE(test_with_chdr_cmd){
if_packet_info_t if_packet_info;
if_packet_info.packet_type = if_packet_info_t::PACKET_TYPE_CMD;
if_packet_info.packet_count = 19;
if_packet_info.has_tsf = true;
if_packet_info.tsf = 0x1234567890ABCDEFull;
if_packet_info.sid = 0xAABBCCDD;
if_packet_info.num_payload_words32 = 4;
if_packet_info.num_payload_bytes = 16;
pack_and_unpack(if_packet_info);
}
BOOST_AUTO_TEST_CASE(test_with_chdr_resp){
if_packet_info_t if_packet_info;
if_packet_info.packet_type = if_packet_info_t::PACKET_TYPE_RESP;
if_packet_info.packet_count = 123;
if_packet_info.has_tsf = false;
if_packet_info.tsf = 0x1234567890ABCDEFull;
if_packet_info.sid = 0xAABBCCDD;
if_packet_info.num_payload_words32 = 4;
if_packet_info.num_payload_bytes = 16;
pack_and_unpack(if_packet_info);
}
BOOST_AUTO_TEST_CASE(test_with_chdr_err){
if_packet_info_t if_packet_info;
if_packet_info.packet_type = if_packet_info_t::PACKET_TYPE_ERROR;
if_packet_info.packet_count = 1928;
if_packet_info.eob = false;
if_packet_info.error = false; // Needs to be set explicitly
if_packet_info.has_tsf = false;
if_packet_info.tsf = 0x1234567890ABCDEFull;
if_packet_info.sid = 0xAABBCCDD;
if_packet_info.num_payload_words32 = 4;
if_packet_info.num_payload_bytes = 16;
pack_and_unpack(if_packet_info);
}
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