Robin Mueller
2ae89769af
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EIVE/eive-obsw/pipeline/head There was a failure building this commit
357 lines
13 KiB
C++
357 lines
13 KiB
C++
#include "PersistentTmStore.h"
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#include <mission/memory/SdCardMountedIF.h>
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#include <mission/tmtc/DirectTmSinkIF.h>
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#include <algorithm>
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#include <cinttypes>
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#include <filesystem>
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#include <fstream>
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#include <utility>
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#include "eive/definitions.h"
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#include "fsfw/ipc/CommandMessage.h"
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#include "fsfw/ipc/QueueFactory.h"
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#include "fsfw/tmstorage/TmStoreMessage.h"
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#include "mission/persistentTmStoreDefs.h"
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using namespace returnvalue;
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PersistentTmStore::PersistentTmStore(PersistentTmStoreArgs args)
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: SystemObject(args.objectId),
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tmStore(args.tmStore),
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baseDir(args.baseDir),
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baseName(std::move(args.baseName)),
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sdcMan(args.sdcMan) {
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tcQueue = QueueFactory::instance()->createMessageQueue();
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calcDiffSeconds(args.intervalUnit, args.intervalCount);
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}
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ReturnValue_t PersistentTmStore::cancelDump() {
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state = State::IDLE;
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return returnvalue::OK;
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}
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ReturnValue_t PersistentTmStore::assignAndOrCreateMostRecentFile() {
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if (not activeFile.has_value()) {
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return createMostRecentFile(std::nullopt);
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}
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return returnvalue::OK;
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}
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ReturnValue_t PersistentTmStore::handleCommandQueue(StorageManagerIF& ipcStore,
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Command_t& execCmd) {
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CommandMessage cmdMessage;
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ReturnValue_t result = tcQueue->receiveMessage(&cmdMessage);
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if (result != returnvalue::OK) {
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return result;
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}
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if (cmdMessage.getMessageType() == messagetypes::TM_STORE) {
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Command_t cmd = cmdMessage.getCommand();
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if (cmd == TmStoreMessage::DELETE_STORE_CONTENT_TIME) {
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Clock::getClock_timeval(¤tTv);
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store_address_t storeId = TmStoreMessage::getStoreId(&cmdMessage);
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auto accessor = ipcStore.getData(storeId);
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uint32_t deleteUpToUnixSeconds = 0;
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size_t size = accessor.second.size();
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SerializeAdapter::deSerialize(&deleteUpToUnixSeconds, accessor.second.data(), &size,
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SerializeIF::Endianness::NETWORK);
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execCmd = cmd;
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deleteUpTo(deleteUpToUnixSeconds);
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} else if (cmd == TmStoreMessage::DOWNLINK_STORE_CONTENT_TIME) {
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Clock::getClock_timeval(¤tTv);
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store_address_t storeId = TmStoreMessage::getStoreId(&cmdMessage);
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auto accessor = ipcStore.getData(storeId);
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if (accessor.second.size() < 8) {
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return returnvalue::FAILED;
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}
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uint32_t dumpFromUnixSeconds = 0;
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uint32_t dumpUntilUnixSeconds = 0;
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size_t size = 8;
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SerializeAdapter::deSerialize(&dumpFromUnixSeconds, accessor.second.data(), &size,
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SerializeIF::Endianness::NETWORK);
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SerializeAdapter::deSerialize(&dumpUntilUnixSeconds, accessor.second.data() + 4, &size,
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SerializeIF::Endianness::NETWORK);
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result = startDumpFromUpTo(dumpFromUnixSeconds, dumpUntilUnixSeconds);
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if (result == BUSY_DUMPING) {
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triggerEvent(persTmStore::BUSY_DUMPING_EVENT);
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} else {
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execCmd = cmd;
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}
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}
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}
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return result;
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}
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ReturnValue_t PersistentTmStore::startDumpFrom(uint32_t fromUnixSeconds) {
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return startDumpFromUpTo(fromUnixSeconds, currentTv.tv_sec);
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}
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ReturnValue_t PersistentTmStore::storePacket(PusTmReader& reader) {
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using namespace std::filesystem;
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if (baseDirUninitialized) {
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updateBaseDir();
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}
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Clock::getClock_timeval(¤tTv);
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// It is assumed here that the filesystem is usable.
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if (not activeFile.has_value()) {
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ReturnValue_t result = assignAndOrCreateMostRecentFile();
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if (result != returnvalue::OK) {
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return result;
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}
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}
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bool createNewFile = false;
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std::optional<uint8_t> suffix = std::nullopt;
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std::error_code e;
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size_t fileSize = file_size(activeFile.value(), e);
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if (e) {
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sif::error << "PersistentTmStore: Could not retrieve file size, "
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"error "
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<< e.message() << std::endl;
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return returnvalue::FAILED;
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}
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if (currentTv.tv_sec > activeFileTv.tv_sec + static_cast<int>(rolloverDiffSeconds)) {
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createNewFile = true;
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currentSameSecNumber = 0;
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} else if (fileSize + reader.getFullPacketLen() > fileBuf.size()) {
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createNewFile = true;
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if (currentSameSecNumber >= MAX_FILES_IN_ONE_SECOND) {
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currentSameSecNumber = 0;
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}
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if (currentTv.tv_sec == activeFileTv.tv_sec) {
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suffix = currentSameSecNumber++;
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} else {
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currentSameSecNumber = 0;
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}
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}
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if (createNewFile) {
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createMostRecentFile(suffix);
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}
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// Rollover conditions were handled, write to file now
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std::ofstream of(activeFile.value(), std::ios::app | std::ios::binary);
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of.write(reinterpret_cast<const char*>(reader.getFullData()),
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static_cast<std::streamsize>(reader.getFullPacketLen()));
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return returnvalue::OK;
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}
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MessageQueueId_t PersistentTmStore::getCommandQueue() const { return tcQueue->getId(); }
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void PersistentTmStore::calcDiffSeconds(RolloverInterval intervalUnit, uint32_t intervalCount) {
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if (intervalUnit == RolloverInterval::MINUTELY) {
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rolloverDiffSeconds = 60 * intervalCount;
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} else if (intervalUnit == RolloverInterval::HOURLY) {
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rolloverDiffSeconds = 60 * 60 * intervalCount;
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} else if (intervalUnit == RolloverInterval::DAILY) {
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rolloverDiffSeconds = 60 * 60 * 24 * intervalCount;
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}
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}
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bool PersistentTmStore::updateBaseDir() {
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using namespace std::filesystem;
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const char* currentPrefix = sdcMan.getCurrentMountPrefix();
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if (currentPrefix == nullptr) {
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return false;
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}
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basePath = path(currentPrefix) / baseDir / baseName;
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std::error_code e;
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if (not exists(basePath, e)) {
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create_directories(basePath);
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}
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baseDirUninitialized = false;
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return true;
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}
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void PersistentTmStore::deleteUpTo(uint32_t unixSeconds) {
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using namespace std::filesystem;
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for (auto const& file : directory_iterator(basePath)) {
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if (file.is_directory() or (activeFile.has_value() and (activeFile.value() == file.path()))) {
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continue;
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}
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// Convert file time to the UNIX epoch
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struct tm fileTime {};
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if (pathToTime(file.path(), fileTime) != returnvalue::OK) {
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sif::error << "Time extraction for " << file << " failed" << std::endl;
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continue;
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}
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time_t fileEpoch = timegm(&fileTime);
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if (fileEpoch + rolloverDiffSeconds < unixSeconds) {
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std::error_code e;
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std::filesystem::remove(file.path(), e);
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}
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}
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}
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ReturnValue_t PersistentTmStore::startDumpFromUpTo(uint32_t fromUnixSeconds,
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uint32_t upToUnixSeconds) {
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using namespace std::filesystem;
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if (state == State::DUMPING) {
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return returnvalue::FAILED;
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}
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dumpParams.dirIter = directory_iterator(basePath);
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if (dumpParams.dirIter == directory_iterator()) {
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return returnvalue::FAILED;
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}
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dumpParams.fromUnixTime = fromUnixSeconds;
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dumpParams.untilUnixTime = upToUnixSeconds;
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state = State::DUMPING;
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return loadNextDumpFile();
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}
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ReturnValue_t PersistentTmStore::loadNextDumpFile() {
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using namespace std::filesystem;
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dumpParams.currentSize = 0;
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std::error_code e;
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for (; dumpParams.dirIter != directory_iterator(); dumpParams.dirIter++) {
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dumpParams.dirEntry = *dumpParams.dirIter;
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if (dumpParams.dirEntry.is_directory(e)) {
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continue;
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}
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dumpParams.fileSize = std::filesystem::file_size(dumpParams.dirEntry.path(), e);
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if (e) {
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sif::error << "PersistentTmStore: Could not retrieve file size: " << e.message() << std::endl;
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continue;
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}
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// sif::debug << "Path: " << dumpParams.dirEntry.path() << std::endl;
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// File empty or can't even read CCSDS header.
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if (dumpParams.fileSize <= 6) {
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continue;
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}
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if (dumpParams.fileSize > fileBuf.size()) {
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sif::error << "PersistentTmStore: File too large, is deleted" << std::endl;
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triggerEvent(persTmStore::FILE_TOO_LARGE, dumpParams.fileSize, fileBuf.size());
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std::filesystem::remove(dumpParams.dirEntry.path(), e);
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continue;
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}
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const path& file = dumpParams.dirEntry.path();
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struct tm fileTime {};
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if (pathToTime(file, fileTime) != returnvalue::OK) {
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sif::error << "Time extraction for file " << file << "failed" << std::endl;
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continue;
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}
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auto fileEpoch = static_cast<uint32_t>(timegm(&fileTime));
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if ((fileEpoch > dumpParams.fromUnixTime) and
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(fileEpoch + rolloverDiffSeconds <= dumpParams.untilUnixTime)) {
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dumpParams.currentFileUnixStamp = fileEpoch;
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std::ifstream ifile(file, std::ios::binary);
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if (ifile.bad()) {
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sif::error << "PersistentTmStore: File is bad" << std::endl;
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continue;
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}
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ifile.read(reinterpret_cast<char*>(fileBuf.data()),
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static_cast<std::streamsize>(dumpParams.fileSize));
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// Increment iterator for next cycle.
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dumpParams.dirIter++;
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return returnvalue::OK;
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}
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}
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// Directory iterator was consumed and we are done.
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state = State::IDLE;
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return DUMP_DONE;
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}
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ReturnValue_t PersistentTmStore::getNextDumpPacket(PusTmReader& reader, bool& fileHasSwapped) {
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if (state == State::IDLE or dumpParams.pendingPacketDump) {
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return returnvalue::FAILED;
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}
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fileHasSwapped = false;
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reader.setReadOnlyData(fileBuf.data() + dumpParams.currentSize,
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fileBuf.size() - dumpParams.currentSize);
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// CRC check to fully ensure this is a valid TM
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ReturnValue_t result = reader.parseDataWithCrcCheck();
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if (result != returnvalue::OK) {
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sif::error << "PersistentTmStore: Parsing of PUS TM failed with code " << result << std::endl;
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triggerEvent(persTmStore::POSSIBLE_FILE_CORRUPTION, result, dumpParams.currentFileUnixStamp);
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// Delete the file and load next. Could use better algorithm to partially
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// restore the file dump, but for now do not trust the file.
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std::error_code e;
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std::filesystem::remove(dumpParams.dirEntry.path().c_str(), e);
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if (dumpParams.dirEntry.path() == activeFile) {
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activeFile == std::nullopt;
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assignAndOrCreateMostRecentFile();
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}
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fileHasSwapped = true;
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return loadNextDumpFile();
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}
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dumpParams.pendingPacketDump = true;
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return returnvalue::OK;
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}
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ReturnValue_t PersistentTmStore::confirmDump(const PusTmReader& reader, bool& fileHasSwapped) {
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dumpParams.pendingPacketDump = false;
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dumpParams.currentSize += reader.getFullPacketLen();
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if (dumpParams.currentSize >= dumpParams.fileSize) {
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fileHasSwapped = true;
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return loadNextDumpFile();
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}
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fileHasSwapped = false;
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return returnvalue::OK;
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}
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ReturnValue_t PersistentTmStore::pathToTime(const std::filesystem::path& path, struct tm& time) {
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auto pathStr = path.string();
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size_t splitChar = pathStr.find('_');
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auto timeOnlyStr = pathStr.substr(splitChar + 1);
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if (nullptr == strptime(timeOnlyStr.c_str(), config::FILE_DATE_FORMAT, &time)) {
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return returnvalue::FAILED;
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}
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return returnvalue::OK;
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}
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ReturnValue_t PersistentTmStore::createMostRecentFile(std::optional<uint8_t> suffix) {
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using namespace std::filesystem;
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unsigned currentIdx = 0;
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path pathStart = basePath / baseName;
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memcpy(fileBuf.data() + currentIdx, pathStart.c_str(), pathStart.string().length());
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currentIdx += pathStart.string().length();
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fileBuf[currentIdx] = '_';
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currentIdx += 1;
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time_t epoch = currentTv.tv_sec;
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struct tm* time = gmtime(&epoch);
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size_t writtenBytes = strftime(reinterpret_cast<char*>(fileBuf.data() + currentIdx),
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fileBuf.size(), config::FILE_DATE_FORMAT, time);
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if (writtenBytes == 0) {
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sif::error << "PersistentTmStore::createMostRecentFile: Could not create file timestamp"
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<< std::endl;
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return returnvalue::FAILED;
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}
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currentIdx += writtenBytes;
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char* res = strcpy(reinterpret_cast<char*>(fileBuf.data() + currentIdx), ".bin");
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if (res == nullptr) {
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return returnvalue::FAILED;
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}
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currentIdx += 4;
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if (suffix.has_value()) {
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std::string fullSuffix = "." + std::to_string(suffix.value());
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res = strcpy(reinterpret_cast<char*>(fileBuf.data() + currentIdx), fullSuffix.c_str());
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if (res == nullptr) {
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return returnvalue::FAILED;
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}
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currentIdx += fullSuffix.size();
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}
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path newPath(std::string(reinterpret_cast<const char*>(fileBuf.data()), currentIdx));
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std::ofstream of(newPath, std::ios::binary);
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activeFile = newPath;
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activeFileTv = currentTv;
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return returnvalue::OK;
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}
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ReturnValue_t PersistentTmStore::initializeTmStore() {
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Clock::getClock_timeval(¤tTv);
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updateBaseDir();
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// Reset active file, base directory might have changed.
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activeFile = std::nullopt;
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return assignAndOrCreateMostRecentFile();
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}
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PersistentTmStore::State PersistentTmStore::getState() const { return state; }
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void PersistentTmStore::getStartAndEndTimeCurrentOrLastDump(uint32_t& startTime,
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uint32_t& endTime) const {
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startTime = dumpParams.fromUnixTime;
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endTime = dumpParams.untilUnixTime;
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}
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