fsfw/unittests/cfdp/handler/testSourceHandler.cpp

274 lines
11 KiB
C++

#include <etl/crc32.h>
#include <catch2/catch_test_macros.hpp>
#include <filesystem>
#include <random>
#include "cfdp/PduSenderMock.h"
#include "fsfw/cfdp.h"
#include "fsfw/cfdp/handler/PutRequest.h"
#include "fsfw/cfdp/handler/SourceHandler.h"
#include "fsfw/cfdp/pdu/EofPduCreator.h"
#include "fsfw/cfdp/pdu/EofPduReader.h"
#include "fsfw/cfdp/pdu/FileDataReader.h"
#include "fsfw/cfdp/pdu/MetadataPduCreator.h"
#include "fsfw/cfdp/pdu/MetadataPduReader.h"
#include "fsfw/tmtcservices/TmTcMessage.h"
#include "fsfw/util/SeqCountProvider.h"
#include "mock/AcceptsTmMock.h"
#include "mock/EventReportingProxyMock.h"
#include "mock/FilesystemMock.h"
#include "mock/MessageQueueMock.h"
#include "mock/StorageManagerMock.h"
#include "mock/cfdp/FaultHandlerMock.h"
#include "mock/cfdp/RemoteConfigTableMock.h"
#include "mock/cfdp/UserMock.h"
TEST_CASE("CFDP Source Handler", "[cfdp]") {
using namespace cfdp;
using namespace returnvalue;
using namespace std::filesystem;
constexpr size_t MAX_FILE_SEGMENT_SIZE = 255;
MessageQueueId_t destQueueId = 2;
AcceptsTmMock tmReceiver(destQueueId);
// MessageQueueMock mqMock(destQueueId);
auto localId = EntityId(UnsignedByteField<uint16_t>(2));
auto remoteId = EntityId(UnsignedByteField<uint16_t>(5));
FaultHandlerMock fhMock;
LocalEntityCfg localEntityCfg(localId, IndicationCfg(), fhMock);
FilesystemMock fsMock;
UserMock userMock(fsMock);
SeqCountProviderU16 seqCountProvider;
SourceHandlerParams dp(localEntityCfg, userMock, seqCountProvider);
PduSenderMock pduSender;
EventReportingProxyMock eventReporterMock;
LocalPool::LocalPoolConfig storeCfg = {{10, 32}, {10, 64}, {10, 128}, {10, 1024}};
FsfwParams fp(&eventReporterMock);
auto sourceHandler = SourceHandler(pduSender, 4096, dp, fp);
RemoteEntityCfg cfg;
cfg.maxFileSegmentLen = MAX_FILE_SEGMENT_SIZE;
cfg.remoteId = remoteId;
std::string srcFileName = "/tmp/cfdp-test.txt";
std::string destFileName = "/tmp/cfdp-test2.txt";
fsMock.createFile(srcFileName.c_str());
cfdp::StringLv srcNameLv(srcFileName.c_str(), srcFileName.length());
FilesystemParams destFileNameFs(destFileName.c_str());
cfdp::StringLv destNameLv(destFileNameFs.path, std::strlen(destFileNameFs.path));
PutRequest putRequest(remoteId, srcNameLv, destNameLv);
CHECK(sourceHandler.initialize() == OK);
auto onePduSentCheck = [&](const SourceHandler::FsmResult& fsmResult) {
CHECK(fsmResult.errors == 0);
CHECK(fsmResult.packetsSent == 1);
};
auto genericMetadataCheck = [&](const SourceHandler::FsmResult& fsmResult,
size_t expectedFileSize, uint16_t expectedSeqNum) {
CHECK(fsmResult.errors == 0);
auto optNextPacket = pduSender.getNextSentPacket();
CHECK(optNextPacket.has_value());
const auto& [pduType, fileDirective, rawPdu] = *optNextPacket;
CHECK(rawPdu.size() == 55);
MetadataGenericInfo metadataInfo;
MetadataPduReader metadataReader(rawPdu.data(), rawPdu.size(), metadataInfo, nullptr, 0);
REQUIRE(metadataReader.parseData() == OK);
std::string srcNameRead = metadataReader.getSourceFileName().getString();
CHECK(srcNameRead == srcFileName);
TransactionSeqNum seqNum;
metadataReader.getTransactionSeqNum(seqNum);
CHECK(seqNum.getValue() == expectedSeqNum);
CHECK(userMock.transactionIndicRecvd.size() == 1);
CHECK(userMock.transactionIndicRecvd.back() == TransactionId(localId, seqNum));
EntityId srcId;
metadataReader.getSourceId(srcId);
EntityId destId;
metadataReader.getDestId(destId);
CHECK(srcId.getValue() == localId.getValue());
CHECK(destId.getValue() == remoteId.getValue());
std::string destNameRead = metadataReader.getDestFileName().getString();
CHECK(destNameRead == destFileName);
if (expectedFileSize == 0) {
CHECK(metadataInfo.getChecksumType() == ChecksumType::NULL_CHECKSUM);
} else {
CHECK(metadataInfo.getChecksumType() == ChecksumType::CRC_32);
}
CHECK(metadataInfo.getFileSize().value() == expectedFileSize);
CHECK(!metadataInfo.isClosureRequested());
};
auto genericEofCheck = [&](const SourceHandler::FsmResult& fsmResult, size_t expectedFileSize,
uint32_t expectedChecksum, uint16_t expectedSeqNum) {
onePduSentCheck(fsmResult);
TmTcMessage tmtcMessage;
auto optNextPacket = pduSender.getNextSentPacket();
CHECK(optNextPacket.has_value());
const auto& [pduType, fileDirective, rawPdu] = *optNextPacket;
// 10 byte PDU header, 1 byte directive field, 1 byte condition code, 4 byte checksum,
// 4 byte FSS
CHECK(rawPdu.size() == 20);
EofInfo eofInfo;
EofPduReader eofReader(rawPdu.data(), rawPdu.size(), eofInfo);
REQUIRE(eofReader.parseData() == OK);
TransactionSeqNum seqNum;
eofReader.getTransactionSeqNum(seqNum);
CHECK(seqNum.getValue() == expectedSeqNum);
auto transactionId = TransactionId(localId, seqNum);
CHECK(userMock.eofSentRecvd.size() == 1);
CHECK(userMock.eofSentRecvd.back() == transactionId);
CHECK(eofInfo.getChecksum() == expectedChecksum);
CHECK(eofInfo.getConditionCode() == ConditionCode::NO_ERROR);
CHECK(eofInfo.getFileSize().value() == expectedFileSize);
};
auto genericNoticeOfCompletionCheck = [&](const SourceHandler::FsmResult& fsmResult,
const uint16_t expectedSeqNum) {
CHECK(userMock.finishedRecvd.size() == 1);
CHECK(userMock.finishedRecvd.back().first ==
TransactionId(localId, TransactionSeqNum(cfdp::WidthInBytes::TWO_BYTES, expectedSeqNum)));
CHECK(sourceHandler.getStep() == SourceHandler::TransactionStep::IDLE);
CHECK(sourceHandler.getState() == CfdpState::IDLE);
};
SECTION("Test Basic") {
CHECK(sourceHandler.getState() == CfdpState::IDLE);
CHECK(sourceHandler.getStep() == SourceHandler::TransactionStep::IDLE);
}
SECTION("Transfer empty file") {
CHECK(sourceHandler.transactionStart(putRequest, cfg) == OK);
size_t expectedFileSize = 0;
const SourceHandler::FsmResult& fsmResult = sourceHandler.stateMachineNoPacket();
// Verify metadata PDU was sent.
genericMetadataCheck(fsmResult, expectedFileSize, 0);
sourceHandler.stateMachineNoPacket();
// Verify EOF PDU was sent. No file data PDU is sent for an empty file and the checksum is 0.
genericEofCheck(fsmResult, expectedFileSize, 0, 0);
// Verify notice of completion.
sourceHandler.stateMachineNoPacket();
genericNoticeOfCompletionCheck(fsmResult, 0);
}
SECTION("Transfer small file") {
uint16_t expectedSeqNum = 0;
fsMock.createFile(srcFileName.c_str());
std::string fileContent = "hello world\n";
size_t expectedFileSize = fileContent.size();
fsMock.writeToFile(srcFileName.c_str(), 0, reinterpret_cast<const uint8_t*>(fileContent.data()),
expectedFileSize);
CHECK(sourceHandler.transactionStart(putRequest, cfg) == OK);
const SourceHandler::FsmResult& fsmResult = sourceHandler.stateMachineNoPacket();
// Verify metadata PDU was sent.
genericMetadataCheck(fsmResult, expectedFileSize, expectedSeqNum);
// Verify that a small file data PDU was sent.
sourceHandler.stateMachineNoPacket();
onePduSentCheck(fsmResult);
auto optNextPacket = pduSender.getNextSentPacket();
CHECK(optNextPacket.has_value());
const auto& [pduType, fileDirective, rawPdu] = *optNextPacket;
FileDataInfo fdInfo;
FileDataReader fdReader(rawPdu.data(), rawPdu.size(), fdInfo);
// 10 byte PDU header, 4 byte offset, 12 bytes file data.
CHECK(rawPdu.size() == 26);
CHECK(fdReader.parseData() == OK);
CHECK(fdInfo.getOffset().value() == 0);
size_t fileSize = 0;
const uint8_t* fileData = fdInfo.getFileData(&fileSize);
REQUIRE(fileSize == fileContent.size());
CHECK(fileData != nullptr);
std::string dataReadBack(reinterpret_cast<const char*>(fileData), fileSize);
CHECK(dataReadBack == fileContent);
sourceHandler.stateMachineNoPacket();
etl::crc32 crcCalc;
crcCalc.add(fileContent.data(), fileContent.data() + fileContent.size());
// Verify EOF PDU was sent.
genericEofCheck(fsmResult, expectedFileSize, crcCalc.value(), expectedSeqNum);
// Verify notice of completion.
sourceHandler.stateMachineNoPacket();
genericNoticeOfCompletionCheck(fsmResult, expectedSeqNum);
}
SECTION("Transfer two segment file") {
uint16_t expectedSeqNum = 0;
// Create 400 bytes of random data. This should result in two file segments, with one
// having the maximum size.
std::random_device dev;
std::mt19937 rng(dev());
std::uniform_int_distribution<std::mt19937::result_type> distU8(0, 255);
std::array<uint8_t, 400> largerFileData{};
for (auto& val : largerFileData) {
val = distU8(rng);
}
size_t expectedFileSize = largerFileData.size();
fsMock.createFile(srcFileName.c_str());
fsMock.writeToFile(srcFileName.c_str(), 0, largerFileData.data(), largerFileData.size());
CHECK(sourceHandler.transactionStart(putRequest, cfg) == OK);
const SourceHandler::FsmResult& fsmResult = sourceHandler.stateMachineNoPacket();
// Verify metadata PDU was sent.
genericMetadataCheck(fsmResult, expectedFileSize, expectedSeqNum);
// Check first file data PDU. It should have the maximum file segment size.
sourceHandler.stateMachineNoPacket();
onePduSentCheck(fsmResult);
auto optNextPacket = pduSender.getNextSentPacket();
CHECK(optNextPacket.has_value());
const auto& [pduType, fileDirective, rawPdu] = *optNextPacket;
FileDataInfo fdInfo;
{
// auto accessor = onePduSentCheck(fsmResult, tmtcMessage, &pduPtr);
FileDataReader fdReader(rawPdu.data(), rawPdu.size(), fdInfo);
// 10 byte PDU header, 4 byte offset, 255 byte file data
CHECK(rawPdu.size() == 269);
CHECK(fdReader.parseData() == OK);
CHECK(fdInfo.getOffset().value() == 0);
size_t fileSize = 0;
const uint8_t* fileData = fdInfo.getFileData(&fileSize);
// Maximum file segment size.
REQUIRE(fileSize == MAX_FILE_SEGMENT_SIZE);
for (unsigned i = 0; i < fileSize; i++) {
CHECK(fileData[i] == largerFileData[i]);
}
}
// Check second file data PDU.
sourceHandler.stateMachineNoPacket();
{
optNextPacket = pduSender.getNextSentPacket();
CHECK(optNextPacket.has_value());
const auto& [pduType, fileDirective, rawPdu] = *optNextPacket;
FileDataReader fdReader(rawPdu.data(), rawPdu.size(), fdInfo);
// 10 byte PDU header, 4 byte offset, remaining file data (400 - 255 == 145).
CHECK(rawPdu.size() == 10 + 4 + largerFileData.size() - MAX_FILE_SEGMENT_SIZE);
CHECK(fdReader.parseData() == OK);
CHECK(fdInfo.getOffset().value() == MAX_FILE_SEGMENT_SIZE);
size_t fileDataSize = 0;
const uint8_t* fileData = fdInfo.getFileData(&fileDataSize);
// Maximum file segment size.
REQUIRE(fileDataSize == largerFileData.size() - MAX_FILE_SEGMENT_SIZE);
for (unsigned i = 0; i < fileDataSize; i++) {
CHECK(fileData[i] == largerFileData[MAX_FILE_SEGMENT_SIZE + i]);
}
}
// Check EOF and verify checksum.
sourceHandler.stateMachineNoPacket();
etl::crc32 crcCalc;
crcCalc.add(largerFileData.data(), largerFileData.data() + largerFileData.size());
// Verify EOF PDU was sent.
genericEofCheck(fsmResult, expectedFileSize, crcCalc.value(), expectedSeqNum);
// Verify notice of completion.
sourceHandler.stateMachineNoPacket();
genericNoticeOfCompletionCheck(fsmResult, expectedSeqNum);
}
}