blob: f3b8ab603b5612269290fba605e36993e1308647 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (C) 2014 Named Data Networking Project
* See COPYING for copyright and distribution information.
*/
#include "face/ndnlp-sequence-generator.hpp"
#include "face/ndnlp-slicer.hpp"
#include <boost/test/unit_test.hpp>
namespace nfd {
BOOST_AUTO_TEST_SUITE(FaceNdnlp)
BOOST_AUTO_TEST_CASE(SequenceBlock)
{
ndnlp::SequenceBlock sb(0x8000, 2);
BOOST_CHECK_EQUAL(sb.count(), 2);
BOOST_CHECK_EQUAL(sb[0], 0x8000);
BOOST_CHECK_EQUAL(sb[1], 0x8001);
BOOST_CHECK_THROW(sb[2], std::out_of_range);
}
// sequence number can safely wrap around
BOOST_AUTO_TEST_CASE(SequenceBlockWrap)
{
ndnlp::SequenceBlock sb(std::numeric_limits<uint64_t>::max(), 2);
BOOST_CHECK_EQUAL(sb[0], std::numeric_limits<uint64_t>::max());
BOOST_CHECK_EQUAL(sb[1], std::numeric_limits<uint64_t>::min());
BOOST_CHECK_EQUAL(sb[1] - sb[0], 1);
}
BOOST_AUTO_TEST_CASE(SequenceGenerator)
{
ndnlp::SequenceGenerator seqgen;
ndnlp::SequenceBlock sb1 = seqgen.nextBlock(2);
BOOST_CHECK_EQUAL(sb1.count(), 2);
ndnlp::SequenceBlock sb2 = seqgen.nextBlock(1);
BOOST_CHECK_NE(sb1[0], sb2[0]);
BOOST_CHECK_NE(sb1[1], sb2[0]);
}
// slice a Block to one NDNLP packet
BOOST_AUTO_TEST_CASE(Slice1)
{
uint8_t blockValue[60];
memset(blockValue, 0xcc, sizeof(blockValue));
Block block = ndn::dataBlock(0x01, blockValue, sizeof(blockValue));
ndnlp::Slicer slicer(9000);
ndnlp::PacketArray pa = slicer.slice(block);
BOOST_REQUIRE_EQUAL(pa->size(), 1);
const Block& pkt = pa->at(0);
BOOST_CHECK_EQUAL(pkt.type(), static_cast<uint32_t>(tlv::NdnlpData));
pkt.parse();
const Block::element_container& elements = pkt.elements();
BOOST_REQUIRE_EQUAL(elements.size(), 2);
const Block& sequenceElement = elements[0];
BOOST_CHECK_EQUAL(sequenceElement.type(), static_cast<uint32_t>(tlv::NdnlpSequence));
BOOST_REQUIRE_EQUAL(sequenceElement.value_size(), sizeof(uint64_t));
const Block& payloadElement = elements[1];
BOOST_CHECK_EQUAL(payloadElement.type(), static_cast<uint32_t>(tlv::NdnlpPayload));
size_t payloadSize = payloadElement.value_size();
BOOST_CHECK_EQUAL(payloadSize, block.size());
BOOST_CHECK_EQUAL_COLLECTIONS(payloadElement.value_begin(), payloadElement.value_end(),
block.begin(), block.end());
}
// slice a Block to four NDNLP packets
BOOST_AUTO_TEST_CASE(SliceData4)
{
uint8_t blockValue[5050];
memset(blockValue, 0xcc, sizeof(blockValue));
Block block = ndn::dataBlock(0x01, blockValue, sizeof(blockValue));
ndnlp::Slicer slicer(1500);
ndnlp::PacketArray pa = slicer.slice(block);
BOOST_REQUIRE_EQUAL(pa->size(), 4);
uint64_t seq0 = 0xdddd;
size_t totalPayloadSize = 0;
for (size_t i = 0; i < 4; ++i) {
const Block& pkt = pa->at(i);
BOOST_CHECK_EQUAL(pkt.type(), static_cast<uint32_t>(tlv::NdnlpData));
pkt.parse();
const Block::element_container& elements = pkt.elements();
BOOST_REQUIRE_EQUAL(elements.size(), 4);
const Block& sequenceElement = elements[0];
BOOST_CHECK_EQUAL(sequenceElement.type(), static_cast<uint32_t>(tlv::NdnlpSequence));
BOOST_REQUIRE_EQUAL(sequenceElement.value_size(), sizeof(uint64_t));
uint64_t seq = be64toh(*reinterpret_cast<const uint64_t*>(
&*sequenceElement.value_begin()));
if (i == 0) {
seq0 = seq;
}
BOOST_CHECK_EQUAL(seq, seq0 + i);
const Block& fragIndexElement = elements[1];
BOOST_CHECK_EQUAL(fragIndexElement.type(), static_cast<uint32_t>(tlv::NdnlpFragIndex));
BOOST_REQUIRE_EQUAL(fragIndexElement.value_size(), sizeof(uint16_t));
uint16_t fragIndex = be16toh(*reinterpret_cast<const uint16_t*>(
&*fragIndexElement.value_begin()));
BOOST_CHECK_EQUAL(fragIndex, i);
const Block& fragCountElement = elements[2];
BOOST_CHECK_EQUAL(fragCountElement.type(), static_cast<uint32_t>(tlv::NdnlpFragCount));
BOOST_REQUIRE_EQUAL(fragCountElement.value_size(), sizeof(uint16_t));
uint16_t fragCount = be16toh(*reinterpret_cast<const uint16_t*>(
&*fragCountElement.value_begin()));
BOOST_CHECK_EQUAL(fragCount, 4);
const Block& payloadElement = elements[3];
BOOST_CHECK_EQUAL(payloadElement.type(), static_cast<uint32_t>(tlv::NdnlpPayload));
size_t payloadSize = payloadElement.value_size();
totalPayloadSize += payloadSize;
}
BOOST_CHECK_EQUAL(totalPayloadSize, block.size());
}
BOOST_AUTO_TEST_SUITE_END()
} // namespace nfd