fsfw/storagemanager/LocalPool.tpp
2020-09-29 14:50:16 +02:00

306 lines
10 KiB
C++

#ifndef FSFW_STORAGEMANAGER_LOCALPOOL_TPP_
#define FSFW_STORAGEMANAGER_LOCALPOOL_TPP_
#ifndef FSFW_STORAGEMANAGER_LOCALPOOL_H_
#error Include LocalPool.h before LocalPool.tpp!
#endif
template<uint8_t NUMBER_OF_POOLS>
inline LocalPool<NUMBER_OF_POOLS>::LocalPool(object_id_t setObjectId,
const uint16_t element_sizes[NUMBER_OF_POOLS],
const uint16_t n_elements[NUMBER_OF_POOLS], bool registered,
bool spillsToHigherPools) :
SystemObject(setObjectId, registered), internalErrorReporter(nullptr),
spillsToHigherPools(spillsToHigherPools)
{
for (uint16_t n = 0; n < NUMBER_OF_POOLS; n++) {
this->element_sizes[n] = element_sizes[n];
this->n_elements[n] = n_elements[n];
store[n] = new uint8_t[n_elements[n] * element_sizes[n]];
size_list[n] = new uint32_t[n_elements[n]];
memset(store[n], 0x00, (n_elements[n] * element_sizes[n]));
//TODO checkme
memset(size_list[n], STORAGE_FREE, (n_elements[n] * sizeof(**size_list)));
}
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::findEmpty(uint16_t pool_index,
uint16_t* element) {
ReturnValue_t status = DATA_STORAGE_FULL;
for (uint16_t foundElement = 0; foundElement < n_elements[pool_index];
foundElement++) {
if (size_list[pool_index][foundElement] == STORAGE_FREE) {
*element = foundElement;
status = RETURN_OK;
break;
}
}
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline void LocalPool<NUMBER_OF_POOLS>::write(store_address_t packet_id,
const uint8_t* data, size_t size) {
uint8_t* ptr;
uint32_t packet_position = getRawPosition(packet_id);
//check size? -> Not necessary, because size is checked before calling this function.
ptr = &store[packet_id.pool_index][packet_position];
memcpy(ptr, data, size);
size_list[packet_id.pool_index][packet_id.packet_index] = size;
}
//Returns page size of 0 in case store_index is illegal
template<uint8_t NUMBER_OF_POOLS>
inline uint32_t LocalPool<NUMBER_OF_POOLS>::getPageSize(uint16_t pool_index) {
if (pool_index < NUMBER_OF_POOLS) {
return element_sizes[pool_index];
} else {
return 0;
}
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::getPoolIndex(
size_t packet_size, uint16_t* poolIndex, uint16_t startAtIndex) {
for (uint16_t n = startAtIndex; n < NUMBER_OF_POOLS; n++) {
//debug << "LocalPool " << getObjectId() << "::getPoolIndex: Pool: " <<
// n << ", Element Size: " << element_sizes[n] << std::endl;
if (element_sizes[n] >= packet_size) {
*poolIndex = n;
return RETURN_OK;
}
}
return DATA_TOO_LARGE;
}
template<uint8_t NUMBER_OF_POOLS>
inline uint32_t LocalPool<NUMBER_OF_POOLS>::getRawPosition(
store_address_t packet_id) {
return packet_id.packet_index * element_sizes[packet_id.pool_index];
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::reserveSpace(
const uint32_t size, store_address_t* address, bool ignoreFault) {
ReturnValue_t status = getPoolIndex(size, &address->pool_index);
if (status != RETURN_OK) {
sif::error << "LocalPool( " << std::hex << getObjectId() << std::dec
<< " )::reserveSpace: Packet too large." << std::endl;
return status;
}
status = findEmpty(address->pool_index, &address->packet_index);
while (status != RETURN_OK && spillsToHigherPools) {
status = getPoolIndex(size, &address->pool_index, address->pool_index + 1);
if (status != RETURN_OK) {
//We don't find any fitting pool anymore.
break;
}
status = findEmpty(address->pool_index, &address->packet_index);
}
if (status == RETURN_OK) {
// if (getObjectId() == objects::IPC_STORE && address->pool_index >= 3) {
// debug << "Reserve: Pool: " << std::dec << address->pool_index <<
// " Index: " << address->packet_index << std::endl;
// }
size_list[address->pool_index][address->packet_index] = size;
} else {
if (!ignoreFault and internalErrorReporter != nullptr) {
internalErrorReporter->storeFull();
}
// error << "LocalPool( " << std::hex << getObjectId() << std::dec
// << " )::reserveSpace: Packet store is full." << std::endl;
}
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline LocalPool<NUMBER_OF_POOLS>::~LocalPool(void) {
for (uint16_t n = 0; n < NUMBER_OF_POOLS; n++) {
delete[] store[n];
delete[] size_list[n];
}
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::addData(
store_address_t* storageId, const uint8_t* data, size_t size,
bool ignoreFault) {
ReturnValue_t status = reserveSpace(size, storageId, ignoreFault);
if (status == RETURN_OK) {
write(*storageId, data, size);
}
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::getFreeElement(
store_address_t* storageId, const size_t size,
uint8_t** p_data, bool ignoreFault) {
ReturnValue_t status = reserveSpace(size, storageId, ignoreFault);
if (status == RETURN_OK) {
*p_data = &store[storageId->pool_index][getRawPosition(*storageId)];
} else {
*p_data = NULL;
}
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline ConstAccessorPair LocalPool<NUMBER_OF_POOLS>::getData(
store_address_t storeId) {
uint8_t* tempData = nullptr;
ConstStorageAccessor constAccessor(storeId, this);
ReturnValue_t status = modifyData(storeId, &tempData, &constAccessor.size_);
constAccessor.constDataPointer = tempData;
return ConstAccessorPair(status, std::move(constAccessor));
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::getData(store_address_t storeId,
ConstStorageAccessor& storeAccessor) {
uint8_t* tempData = nullptr;
ReturnValue_t status = modifyData(storeId, &tempData, &storeAccessor.size_);
storeAccessor.assignStore(this);
storeAccessor.constDataPointer = tempData;
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::getData(
store_address_t packet_id, const uint8_t** packet_ptr, size_t* size) {
uint8_t* tempData = nullptr;
ReturnValue_t status = modifyData(packet_id, &tempData, size);
*packet_ptr = tempData;
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline AccessorPair LocalPool<NUMBER_OF_POOLS>::modifyData(
store_address_t storeId) {
StorageAccessor accessor(storeId, this);
ReturnValue_t status = modifyData(storeId, &accessor.dataPointer,
&accessor.size_);
accessor.assignConstPointer();
return AccessorPair(status, std::move(accessor));
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::modifyData(
store_address_t storeId, StorageAccessor& storeAccessor) {
storeAccessor.assignStore(this);
ReturnValue_t status = modifyData(storeId, &storeAccessor.dataPointer,
&storeAccessor.size_);
storeAccessor.assignConstPointer();
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::modifyData(
store_address_t packet_id, uint8_t** packet_ptr, size_t* size) {
ReturnValue_t status = RETURN_FAILED;
if (packet_id.pool_index >= NUMBER_OF_POOLS) {
return ILLEGAL_STORAGE_ID;
}
if ((packet_id.packet_index >= n_elements[packet_id.pool_index])) {
return ILLEGAL_STORAGE_ID;
}
if (size_list[packet_id.pool_index][packet_id.packet_index]
!= STORAGE_FREE) {
uint32_t packet_position = getRawPosition(packet_id);
*packet_ptr = &store[packet_id.pool_index][packet_position];
*size = size_list[packet_id.pool_index][packet_id.packet_index];
status = RETURN_OK;
} else {
status = DATA_DOES_NOT_EXIST;
}
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::deleteData(
store_address_t packet_id) {
//if (getObjectId() == objects::IPC_STORE && packet_id.pool_index >= 3) {
// debug << "Delete: Pool: " << std::dec << packet_id.pool_index << " Index: "
// << packet_id.packet_index << std::endl;
//}
ReturnValue_t status = RETURN_OK;
uint32_t page_size = getPageSize(packet_id.pool_index);
if ((page_size != 0)
&& (packet_id.packet_index < n_elements[packet_id.pool_index])) {
uint16_t packet_position = getRawPosition(packet_id);
uint8_t* ptr = &store[packet_id.pool_index][packet_position];
memset(ptr, 0, page_size);
//Set free list
size_list[packet_id.pool_index][packet_id.packet_index] = STORAGE_FREE;
} else {
//pool_index or packet_index is too large
sif::error << "LocalPool:deleteData failed." << std::endl;
status = ILLEGAL_STORAGE_ID;
}
return status;
}
template<uint8_t NUMBER_OF_POOLS>
inline void LocalPool<NUMBER_OF_POOLS>::clearStore() {
for (uint16_t n = 0; n < NUMBER_OF_POOLS; n++) {
//TODO checkme
memset(size_list[n], STORAGE_FREE, (n_elements[n] * sizeof(**size_list)));
}
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::deleteData(uint8_t* ptr,
size_t size, store_address_t* storeId) {
store_address_t localId;
ReturnValue_t result = ILLEGAL_ADDRESS;
for (uint16_t n = 0; n < NUMBER_OF_POOLS; n++) {
//Not sure if new allocates all stores in order. so better be careful.
if ((store[n] <= ptr) && (&store[n][n_elements[n]*element_sizes[n]]) > ptr) {
localId.pool_index = n;
uint32_t deltaAddress = ptr - store[n];
// Getting any data from the right "block" is ok.
// This is necessary, as IF's sometimes don't point to the first
// element of an object.
localId.packet_index = deltaAddress / element_sizes[n];
result = deleteData(localId);
//if (deltaAddress % element_sizes[n] != 0) {
// error << "Pool::deleteData: address not aligned!" << std::endl;
//}
break;
}
}
if (storeId != NULL) {
*storeId = localId;
}
return result;
}
template<uint8_t NUMBER_OF_POOLS>
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::initialize() {
ReturnValue_t result = SystemObject::initialize();
if (result != RETURN_OK) {
return result;
}
internalErrorReporter = objectManager->get<InternalErrorReporterIF>(
objects::INTERNAL_ERROR_REPORTER);
if (internalErrorReporter == nullptr){
return ObjectManagerIF::INTERNAL_ERR_REPORTER_UNINIT;
}
//Check if any pool size is large than the maximum allowed.
for (uint8_t count = 0; count < NUMBER_OF_POOLS; count++) {
if (element_sizes[count] >= STORAGE_FREE) {
sif::error << "LocalPool::initialize: Pool is too large! "
"Max. allowed size is: " << (STORAGE_FREE - 1) << std::endl;
return StorageManagerIF::POOL_TOO_LARGE;
}
}
return RETURN_OK;
}
#endif /* FSFW_STORAGEMANAGER_LOCALPOOL_TPP_ */