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starting file system handler

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This commit is contained in:
Robin Müller
2021-07-12 17:23:32 +02:00
committed by Robin Mueller
parent 91ff9f3f68
commit 74fdd90c07
5 changed files with 149 additions and 27 deletions
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126
bsp_q7s/memory/FileSystemHandler.cpp
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@ -15,33 +15,85 @@ FileSystemHandler::~FileSystemHandler() {
ReturnValue_t FileSystemHandler::performOperation(uint8_t unsignedChar) {
while(true) {
CommandMessage filemsg;
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
while(true) {
result = mq->receiveMessage(&filemsg);
if(result == MessageQueueIF::EMPTY) {
break;
}
else if(result != HasReturnvaluesIF::RETURN_FAILED) {
sif::warning << "FileSystemHandler::performOperation: Message reception failed!"
<< std::endl;
break;
}
Command_t command = filemsg.getCommand();
switch(command) {
case(GenericFileSystemMessage::CMD_CREATE_DIRECTORY): {
break;
}
case(GenericFileSystemMessage::CMD_CREATE_FILE): {
break;
}
}
try {
fileSystemHandlerLoop();
}
catch(std::bad_alloc& e) {
// Restart OBSW, hints at a memory leak
sif::error << "Allocation error in FileSystemHandler::performOperation"
<< e.what() << std::endl;
// TODO: If we trigger an event, it might not get sent because were restarting
// Set up an error file or a special flag in the scratch buffer.
// TODO: CoreController: Implement function to restart OBC
}
}
}
// This task will have a low priority and will run permanently in the background
// so we will just run in a permanent loop here and check file system
// messages permanently
TaskFactory::instance()->delayTask(1000);
void FileSystemHandler::fileSystemHandlerLoop() {
CommandMessage filemsg;
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
while(true) {
if(opCounter % 5 == 0) {
fileSystemCheckup();
}
result = mq->receiveMessage(&filemsg);
if(result == MessageQueueIF::EMPTY) {
break;
}
else if(result != HasReturnvaluesIF::RETURN_FAILED) {
sif::warning << "FileSystemHandler::performOperation: Message reception failed!"
<< std::endl;
break;
}
Command_t command = filemsg.getCommand();
switch(command) {
case(GenericFileSystemMessage::CMD_CREATE_DIRECTORY): {
break;
}
case(GenericFileSystemMessage::CMD_CREATE_FILE): {
break;
}
}
opCounter++;
}
// This task will have a low priority and will run permanently in the background
// so we will just run in a permanent loop here and check file system
// messages permanently
TaskFactory::instance()->delayTask(1000);
}
void FileSystemHandler::fileSystemCheckup() {
SdCardManager::SdStatusPair statusPair;
sdcMan->getSdCardActiveStatus(statusPair);
sd::SdCard preferredSdCard;
sdcMan->getPreferredSdCard(preferredSdCard);
if((preferredSdCard == sd::SdCard::SLOT_0) and
(statusPair.first == sd::SdStatus::MOUNTED)) {
currentMountPrefix = SdCardManager::SD_0_MOUNT_POINT;
}
if((preferredSdCard == sd::SdCard::SLOT_1) and
(statusPair.second == sd::SdStatus::MOUNTED)) {
currentMountPrefix = SdCardManager::SD_1_MOUNT_POINT;
}
else {
std::string sdString;
if(preferredSdCard == sd::SdCard::SLOT_0) {
sdString = "0";
}
else {
sdString = "1";
}
sif::warning << "FileSystemHandler::performOperation: Inconsistent" <<
" state detected. Preferred SD card is " << sdString <<
" but does not appear to be mounted. Attempting fix.." << std::endl;
// This function will appear to fix the inconsistent state
ReturnValue_t result = sdcMan->sanitizeState(&preferredSdCard, &statusPair);
if(result != HasReturnvaluesIF::RETURN_OK) {
// Oh no. Trigger medium severity event
sif::error << "Fix failed" << std::endl;
}
}
}
@ -49,6 +101,22 @@ MessageQueueId_t FileSystemHandler::getCommandQueue() const {
return mq->getId();
}
ReturnValue_t FileSystemHandler::initialize() {
sdcMan = SdCardManager::instance();
sd::SdCard preferredSdCard;
ReturnValue_t result = sdcMan->getPreferredSdCard(preferredSdCard);
if(result != HasReturnvaluesIF::RETURN_OK) {
return result;
}
if(preferredSdCard == sd::SdCard::SLOT_0) {
currentMountPrefix = SdCardManager::SD_0_MOUNT_POINT;
}
else if(preferredSdCard == sd::SdCard::SLOT_1) {
currentMountPrefix = SdCardManager::SD_1_MOUNT_POINT;
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t FileSystemHandler::appendToFile(const char *repositoryPath, const char *filename,
const uint8_t *data, size_t size, uint16_t packetNumber, void *args) {
return HasReturnvaluesIF::RETURN_OK;
@ -63,3 +131,11 @@ ReturnValue_t FileSystemHandler::deleteFile(const char *repositoryPath, const ch
void *args) {
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t FileSystemHandler::createDirectory(const char *repositoryPath, void *args) {
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t FileSystemHandler::removeDirectory(const char *repositoryPath, void *args) {
return HasReturnvaluesIF::RETURN_OK;
}