Robin Mueller
5cc7331e90
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242 lines
8.6 KiB
C++
242 lines
8.6 KiB
C++
#include "FileSystemHandler.h"
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#include <cstring>
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#include <filesystem>
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#include <fstream>
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#include "bsp_q7s/core/CoreController.h"
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#include "fsfw/ipc/QueueFactory.h"
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#include "fsfw/memory/GenericFileSystemMessage.h"
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#include "fsfw/tasks/TaskFactory.h"
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FileSystemHandler::FileSystemHandler(object_id_t fileSystemHandler)
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: SystemObject(fileSystemHandler) {
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mq = QueueFactory::instance()->createMessageQueue(FS_MAX_QUEUE_SIZE);
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}
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FileSystemHandler::~FileSystemHandler() { QueueFactory::instance()->deleteMessageQueue(mq); }
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ReturnValue_t FileSystemHandler::performOperation(uint8_t unsignedChar) {
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while (true) {
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try {
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fileSystemHandlerLoop();
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} catch (std::bad_alloc& e) {
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// Restart OBSW, hints at a memory leak
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sif::error << "Allocation error in FileSystemHandler::performOperation" << e.what()
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<< std::endl;
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// Set up an error file or a special flag in the scratch buffer for these cases
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triggerEvent(CoreController::ALLOC_FAILURE, 0, 0);
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CoreController::incrementAllocationFailureCount();
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}
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}
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}
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void FileSystemHandler::fileSystemHandlerLoop() {
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CommandMessage filemsg;
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ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
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while (true) {
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if (opCounter % 5 == 0) {
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if (coreCtrl->sdInitFinished()) {
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fileSystemCheckup();
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}
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}
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result = mq->receiveMessage(&filemsg);
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if (result == MessageQueueIF::EMPTY) {
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break;
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} else if (result != HasReturnvaluesIF::RETURN_FAILED) {
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sif::warning << "FileSystemHandler::performOperation: Message reception failed!" << std::endl;
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break;
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}
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Command_t command = filemsg.getCommand();
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switch (command) {
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case (GenericFileSystemMessage::CMD_CREATE_DIRECTORY): {
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break;
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}
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case (GenericFileSystemMessage::CMD_CREATE_FILE): {
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break;
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}
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}
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opCounter++;
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}
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// This task will have a low priority and will run permanently in the background
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// so we will just run in a permanent loop here and check file system
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// messages permanently
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opCounter++;
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TaskFactory::instance()->delayTask(1000);
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}
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void FileSystemHandler::fileSystemCheckup() {
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SdCardManager::SdStatePair statusPair;
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sdcMan->getSdCardActiveStatus(statusPair);
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sd::SdCard preferredSdCard;
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sdcMan->getPreferredSdCard(preferredSdCard);
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if ((preferredSdCard == sd::SdCard::SLOT_0) and (statusPair.first == sd::SdState::MOUNTED)) {
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currentMountPrefix = SdCardManager::SD_0_MOUNT_POINT;
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} else if ((preferredSdCard == sd::SdCard::SLOT_1) and
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(statusPair.second == sd::SdState::MOUNTED)) {
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currentMountPrefix = SdCardManager::SD_1_MOUNT_POINT;
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} else {
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std::string sdString;
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if (preferredSdCard == sd::SdCard::SLOT_0) {
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sdString = "0";
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} else {
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sdString = "1";
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}
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sif::warning << "FileSystemHandler::performOperation: "
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"Inconsistent state detected"
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<< std::endl;
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sif::warning << "Preferred SD card is " << sdString
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<< " but does not appear to be mounted. Attempting fix.." << std::endl;
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// This function will appear to fix the inconsistent state
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ReturnValue_t result = sdcMan->sanitizeState(&statusPair, preferredSdCard);
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if (result != HasReturnvaluesIF::RETURN_OK) {
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// Oh no.
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triggerEvent(SdCardManager::SANITIZATION_FAILED, 0, 0);
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sif::error << "FileSystemHandler::fileSystemCheckup: Sanitization failed" << std::endl;
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}
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}
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}
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MessageQueueId_t FileSystemHandler::getCommandQueue() const { return mq->getId(); }
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ReturnValue_t FileSystemHandler::initialize() {
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coreCtrl = ObjectManager::instance()->get<CoreController>(objects::CORE_CONTROLLER);
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if (coreCtrl == nullptr) {
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sif::error << "FileSystemHandler::initialize: Could not retrieve core controller handle"
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<< std::endl;
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}
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sdcMan = SdCardManager::instance();
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sd::SdCard preferredSdCard;
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ReturnValue_t result = sdcMan->getPreferredSdCard(preferredSdCard);
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if (result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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if (preferredSdCard == sd::SdCard::SLOT_0) {
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currentMountPrefix = SdCardManager::SD_0_MOUNT_POINT;
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} else if (preferredSdCard == sd::SdCard::SLOT_1) {
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currentMountPrefix = SdCardManager::SD_1_MOUNT_POINT;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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ReturnValue_t FileSystemHandler::appendToFile(const char* repositoryPath, const char* filename,
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const uint8_t* data, size_t size,
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uint16_t packetNumber, FileSystemArgsIF* args) {
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auto path = getInitPath(args) / repositoryPath / filename;
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if (not std::filesystem::exists(path)) {
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return FILE_DOES_NOT_EXIST;
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}
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std::ofstream file(path, std::ios_base::app | std::ios_base::out);
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file.write(reinterpret_cast<const char*>(data), size);
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if (not file.good()) {
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return GENERIC_FILE_ERROR;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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ReturnValue_t FileSystemHandler::createFile(const char* repositoryPath, const char* filename,
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const uint8_t* data, size_t size,
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FileSystemArgsIF* args) {
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auto path = getInitPath(args) / filename;
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if (std::filesystem::exists(path)) {
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return FILE_ALREADY_EXISTS;
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}
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std::ofstream file(path);
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file.write(reinterpret_cast<const char*>(data), size);
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if (not file.good()) {
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return GENERIC_FILE_ERROR;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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ReturnValue_t FileSystemHandler::removeFile(const char* repositoryPath, const char* filename,
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FileSystemArgsIF* args) {
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auto path = getInitPath(args) / repositoryPath / filename;
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if (not std::filesystem::exists(path)) {
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return FILE_DOES_NOT_EXIST;
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}
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int result = std::remove(path.c_str());
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if (result != 0) {
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sif::warning << "FileSystemHandler::deleteFile: Failed with code " << result << std::endl;
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return GENERIC_FILE_ERROR;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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ReturnValue_t FileSystemHandler::createDirectory(const char* repositoryPath, const char* dirname,
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bool createParentDirs, FileSystemArgsIF* args) {
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auto path = getInitPath(args) / repositoryPath / dirname;
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if (std::filesystem::exists(path)) {
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return DIRECTORY_ALREADY_EXISTS;
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}
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if (std::filesystem::create_directory(path)) {
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return HasReturnvaluesIF::RETURN_OK;
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}
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sif::warning << "Creating directory " << path << " failed" << std::endl;
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return GENERIC_FILE_ERROR;
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}
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ReturnValue_t FileSystemHandler::removeDirectory(const char* repositoryPath, const char* dirname,
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bool deleteRecurively, FileSystemArgsIF* args) {
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auto path = getInitPath(args) / repositoryPath / dirname;
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if (not std::filesystem::exists(path)) {
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return DIRECTORY_DOES_NOT_EXIST;
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}
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std::error_code err;
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if (not deleteRecurively) {
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if (std::filesystem::remove(path, err)) {
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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// Check error code. Most probably denied permissions because folder is not empty
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sif::warning << "FileSystemHandler::removeDirectory: Deleting directory failed with "
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"code "
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<< err.value() << ": " << strerror(err.value()) << std::endl;
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if (err.value() == ENOTEMPTY) {
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return DIRECTORY_NOT_EMPTY;
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} else {
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return GENERIC_FILE_ERROR;
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}
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}
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} else {
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if (std::filesystem::remove_all(path, err)) {
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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sif::warning << "FileSystemHandler::removeDirectory: Deleting directory failed with "
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"code "
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<< err.value() << ": " << strerror(err.value()) << std::endl;
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// Check error code
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if (err.value() == ENOTEMPTY) {
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return DIRECTORY_NOT_EMPTY;
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} else {
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return GENERIC_FILE_ERROR;
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}
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}
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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ReturnValue_t FileSystemHandler::renameFile(const char* repositoryPath, const char* oldFilename,
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const char* newFilename, FileSystemArgsIF* args) {
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auto basepath = getInitPath(args) / repositoryPath;
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std::filesystem::rename(basepath / oldFilename, basepath / newFilename);
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return HasReturnvaluesIF::RETURN_OK;
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}
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void FileSystemHandler::parseCfg(FsCommandCfg* cfg, bool& useMountPrefix) {
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if (cfg != nullptr) {
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useMountPrefix = cfg->useMountPrefix;
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}
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}
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std::filesystem::path FileSystemHandler::getInitPath(FileSystemArgsIF* args) {
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bool useMountPrefix = true;
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parseCfg(reinterpret_cast<FsCommandCfg*>(args), useMountPrefix);
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std::string path;
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if (useMountPrefix) {
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path = currentMountPrefix;
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}
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return std::filesystem::path(path);
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}
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