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Diffstat (limited to 'host/tests/chdr_test.cpp')
| -rw-r--r-- | host/tests/chdr_test.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/host/tests/chdr_test.cpp b/host/tests/chdr_test.cpp new file mode 100644 index 000000000..ed6c690f9 --- /dev/null +++ b/host/tests/chdr_test.cpp @@ -0,0 +1,141 @@ +// +// 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 + boost::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; + boost::uint32_t header_bits = (uhd::ntohx(packet_buff[0]) >> 28); + std::cout << boost::format("header bits = 0b%d%d%d%d") % bool(header_bits & 8) % bool(header_bits & 4) % bool(header_bits & 2) % bool(header_bits & 1) << 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); +} + |