taken over interface changes
This commit is contained in:
parent
9a06cb846c
commit
3001911d69
@ -1,87 +1,87 @@
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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#include <framework/storagemanager/ConstStorageAccessor.h>
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#include <framework/storagemanager/StorageManagerIF.h>
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#include <framework/globalfunctions/arrayprinter.h>
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ConstStorageAccessor::ConstStorageAccessor(store_address_t storeId):
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storeId(storeId) {}
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ConstStorageAccessor::ConstStorageAccessor(store_address_t storeId,
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StorageManagerIF* store):
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storeId(storeId), store(store) {
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internalState = AccessState::ASSIGNED;
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}
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ConstStorageAccessor::~ConstStorageAccessor() {
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if(deleteData and store != nullptr) {
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sif::debug << "deleting store data" << std::endl;
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store->deleteData(storeId);
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}
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}
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ConstStorageAccessor::ConstStorageAccessor(ConstStorageAccessor&& other):
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constDataPointer(other.constDataPointer), storeId(other.storeId),
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size_(other.size_), store(other.store), deleteData(other.deleteData),
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internalState(other.internalState) {
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// This prevent premature deletion
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other.store = nullptr;
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}
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ConstStorageAccessor& ConstStorageAccessor::operator=(
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ConstStorageAccessor&& other) {
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constDataPointer = other.constDataPointer;
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storeId = other.storeId;
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store = other.store;
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size_ = other.size_;
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deleteData = other.deleteData;
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this->store = other.store;
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// This prevents premature deletion
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other.store = nullptr;
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return *this;
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}
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const uint8_t* ConstStorageAccessor::data() const {
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return constDataPointer;
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}
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size_t ConstStorageAccessor::size() const {
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if(internalState == AccessState::UNINIT) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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}
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return size_;
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}
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ReturnValue_t ConstStorageAccessor::getDataCopy(uint8_t *pointer,
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size_t maxSize) {
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if(internalState == AccessState::UNINIT) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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if(size_ > maxSize) {
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sif::error << "StorageAccessor: Supplied buffer not large enough" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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std::copy(constDataPointer, constDataPointer + size_, pointer);
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return HasReturnvaluesIF::RETURN_OK;
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}
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void ConstStorageAccessor::release() {
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deleteData = false;
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}
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store_address_t ConstStorageAccessor::getId() const {
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return storeId;
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}
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void ConstStorageAccessor::print() const {
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if(internalState == AccessState::UNINIT or constDataPointer == nullptr) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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return;
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}
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arrayprinter::print(constDataPointer, size_);
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}
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void ConstStorageAccessor::assignStore(StorageManagerIF* store) {
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internalState = AccessState::ASSIGNED;
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this->store = store;
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}
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#include "../serviceinterface/ServiceInterfaceStream.h"
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#include "../storagemanager/ConstStorageAccessor.h"
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#include "../storagemanager/StorageManagerIF.h"
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#include "../globalfunctions/arrayprinter.h"
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ConstStorageAccessor::ConstStorageAccessor(store_address_t storeId):
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storeId(storeId) {}
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ConstStorageAccessor::ConstStorageAccessor(store_address_t storeId,
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StorageManagerIF* store):
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storeId(storeId), store(store) {
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internalState = AccessState::ASSIGNED;
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}
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ConstStorageAccessor::~ConstStorageAccessor() {
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if(deleteData and store != nullptr) {
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sif::debug << "deleting store data" << std::endl;
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store->deleteData(storeId);
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}
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}
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ConstStorageAccessor::ConstStorageAccessor(ConstStorageAccessor&& other):
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constDataPointer(other.constDataPointer), storeId(other.storeId),
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size_(other.size_), store(other.store), deleteData(other.deleteData),
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internalState(other.internalState) {
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// This prevent premature deletion
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other.store = nullptr;
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}
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ConstStorageAccessor& ConstStorageAccessor::operator=(
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ConstStorageAccessor&& other) {
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constDataPointer = other.constDataPointer;
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storeId = other.storeId;
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store = other.store;
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size_ = other.size_;
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deleteData = other.deleteData;
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this->store = other.store;
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// This prevents premature deletion
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other.store = nullptr;
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return *this;
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}
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const uint8_t* ConstStorageAccessor::data() const {
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return constDataPointer;
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}
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size_t ConstStorageAccessor::size() const {
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if(internalState == AccessState::UNINIT) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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}
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return size_;
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}
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ReturnValue_t ConstStorageAccessor::getDataCopy(uint8_t *pointer,
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size_t maxSize) {
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if(internalState == AccessState::UNINIT) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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if(size_ > maxSize) {
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sif::error << "StorageAccessor: Supplied buffer not large enough" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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std::copy(constDataPointer, constDataPointer + size_, pointer);
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return HasReturnvaluesIF::RETURN_OK;
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}
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void ConstStorageAccessor::release() {
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deleteData = false;
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}
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store_address_t ConstStorageAccessor::getId() const {
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return storeId;
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}
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void ConstStorageAccessor::print() const {
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if(internalState == AccessState::UNINIT or constDataPointer == nullptr) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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return;
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}
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arrayprinter::print(constDataPointer, size_);
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}
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void ConstStorageAccessor::assignStore(StorageManagerIF* store) {
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internalState = AccessState::ASSIGNED;
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this->store = store;
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}
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@ -1,116 +1,116 @@
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#ifndef FRAMEWORK_STORAGEMANAGER_CONSTSTORAGEACCESSOR_H_
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#define FRAMEWORK_STORAGEMANAGER_CONSTSTORAGEACCESSOR_H_
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#include "storeAddress.h"
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#include "../returnvalues/HasReturnvaluesIF.h"
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#include <cstddef>
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class StorageManagerIF;
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/**
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* @brief Helper classes to facilitate safe access to storages which is also
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* conforming to RAII principles
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* @details
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* Accessor class which can be returned by pool manager or passed and set by
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* pool managers to have safe access to the pool resources.
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*
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* These helper can be used together with the StorageManager classes to manage
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* access to a storage. It can take care of thread-safety while also providing
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* mechanisms to automatically clear storage data.
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*/
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class ConstStorageAccessor {
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//! StorageManager classes have exclusive access to private variables.
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template<uint8_t NUMBER_OF_POOLS>
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friend class PoolManager;
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template<uint8_t NUMBER_OF_POOLS>
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friend class LocalPool;
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public:
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/**
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* @brief Simple constructor which takes the store ID of the storage
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* entry to access.
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* @param storeId
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*/
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ConstStorageAccessor(store_address_t storeId);
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ConstStorageAccessor(store_address_t storeId, StorageManagerIF* store);
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/**
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* @brief The destructor in default configuration takes care of
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* deleting the accessed pool entry and unlocking the mutex
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*/
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virtual ~ConstStorageAccessor();
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/**
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* @brief Returns a pointer to the read-only data
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* @return
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*/
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const uint8_t* data() const;
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/**
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* @brief Copies the read-only data to the supplied pointer
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* @param pointer
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*/
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virtual ReturnValue_t getDataCopy(uint8_t *pointer, size_t maxSize);
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/**
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* @brief Calling this will prevent the Accessor from deleting the data
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* when the destructor is called.
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*/
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void release();
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/**
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* Get the size of the data
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* @return
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*/
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size_t size() const;
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/**
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* Get the storage ID.
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* @return
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*/
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store_address_t getId() const;
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void print() const;
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/**
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* @brief Move ctor and move assignment allow returning accessors as
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* a returnvalue. They prevent resource being free prematurely.
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* Refer to: https://github.com/MicrosoftDocs/cpp-docs/blob/master/docs/cpp/
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* move-constructors-and-move-assignment-operators-cpp.md
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* @param
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* @return
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*/
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ConstStorageAccessor& operator= (ConstStorageAccessor&&);
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ConstStorageAccessor (ConstStorageAccessor&&);
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//! The copy ctor and copy assignemnt should be deleted implicitely
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//! according to https://foonathan.net/2019/02/special-member-functions/
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//! but I still deleted them to make it more explicit. (remember rule of 5).
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ConstStorageAccessor& operator= (ConstStorageAccessor&) = delete;
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ConstStorageAccessor (ConstStorageAccessor&) = delete;
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protected:
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const uint8_t* constDataPointer = nullptr;
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store_address_t storeId;
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size_t size_ = 0;
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//! Managing pool, has to assign itself.
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StorageManagerIF* store = nullptr;
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bool deleteData = true;
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enum class AccessState {
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UNINIT,
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ASSIGNED
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};
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//! Internal state for safety reasons.
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AccessState internalState = AccessState::UNINIT;
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/**
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* Used by the pool manager instances to assign themselves to the
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* accessor. This is necessary to delete the data when the acessor
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* exits the scope ! The internal state will be considered read
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* when this function is called, so take care all data is set properly as
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* well.
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* @param
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*/
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void assignStore(StorageManagerIF*);
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};
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#endif /* FRAMEWORK_STORAGEMANAGER_CONSTSTORAGEACCESSOR_H_ */
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#ifndef FRAMEWORK_STORAGEMANAGER_CONSTSTORAGEACCESSOR_H_
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#define FRAMEWORK_STORAGEMANAGER_CONSTSTORAGEACCESSOR_H_
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#include "../storagemanager/storeAddress.h"
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#include "../returnvalues/HasReturnvaluesIF.h"
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#include <cstddef>
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class StorageManagerIF;
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/**
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* @brief Helper classes to facilitate safe access to storages which is also
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* conforming to RAII principles
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* @details
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* Accessor class which can be returned by pool manager or passed and set by
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* pool managers to have safe access to the pool resources.
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*
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* These helper can be used together with the StorageManager classes to manage
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* access to a storage. It can take care of thread-safety while also providing
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* mechanisms to automatically clear storage data.
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*/
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class ConstStorageAccessor {
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//! StorageManager classes have exclusive access to private variables.
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template<uint8_t NUMBER_OF_POOLS>
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friend class PoolManager;
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template<uint8_t NUMBER_OF_POOLS>
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friend class LocalPool;
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public:
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/**
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* @brief Simple constructor which takes the store ID of the storage
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* entry to access.
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* @param storeId
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*/
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ConstStorageAccessor(store_address_t storeId);
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ConstStorageAccessor(store_address_t storeId, StorageManagerIF* store);
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/**
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* @brief The destructor in default configuration takes care of
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* deleting the accessed pool entry and unlocking the mutex
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*/
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virtual ~ConstStorageAccessor();
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/**
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* @brief Returns a pointer to the read-only data
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* @return
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*/
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const uint8_t* data() const;
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/**
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* @brief Copies the read-only data to the supplied pointer
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* @param pointer
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*/
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virtual ReturnValue_t getDataCopy(uint8_t *pointer, size_t maxSize);
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/**
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* @brief Calling this will prevent the Accessor from deleting the data
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* when the destructor is called.
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*/
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void release();
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/**
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* Get the size of the data
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* @return
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*/
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size_t size() const;
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/**
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* Get the storage ID.
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* @return
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*/
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store_address_t getId() const;
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void print() const;
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/**
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* @brief Move ctor and move assignment allow returning accessors as
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* a returnvalue. They prevent resource being free prematurely.
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* Refer to: https://github.com/MicrosoftDocs/cpp-docs/blob/master/docs/cpp/
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* move-constructors-and-move-assignment-operators-cpp.md
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* @param
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* @return
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*/
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ConstStorageAccessor& operator= (ConstStorageAccessor&&);
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ConstStorageAccessor(ConstStorageAccessor&&);
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//! The copy ctor and copy assignemnt should be deleted implicitely
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//! according to https://foonathan.net/2019/02/special-member-functions/
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//! but I still deleted them to make it more explicit. (remember rule of 5).
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ConstStorageAccessor& operator=(const ConstStorageAccessor&) = delete;
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ConstStorageAccessor(const ConstStorageAccessor&) = delete;
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protected:
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const uint8_t* constDataPointer = nullptr;
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store_address_t storeId;
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size_t size_ = 0;
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//! Managing pool, has to assign itself.
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StorageManagerIF* store = nullptr;
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bool deleteData = true;
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enum class AccessState {
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UNINIT,
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ASSIGNED
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};
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//! Internal state for safety reasons.
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AccessState internalState = AccessState::UNINIT;
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/**
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* Used by the pool manager instances to assign themselves to the
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* accessor. This is necessary to delete the data when the acessor
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* exits the scope ! The internal state will be considered read
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* when this function is called, so take care all data is set properly as
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* well.
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* @param
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*/
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void assignStore(StorageManagerIF*);
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};
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#endif /* FRAMEWORK_STORAGEMANAGER_CONSTSTORAGEACCESSOR_H_ */
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@ -1,67 +1,67 @@
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#include "StorageAccessor.h"
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#include "StorageManagerIF.h"
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#include "../serviceinterface/ServiceInterfaceStream.h"
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StorageAccessor::StorageAccessor(store_address_t storeId):
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ConstStorageAccessor(storeId) {
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}
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StorageAccessor::StorageAccessor(store_address_t storeId,
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StorageManagerIF* store):
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ConstStorageAccessor(storeId, store) {
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}
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StorageAccessor& StorageAccessor::operator =(
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StorageAccessor&& other) {
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// Call the parent move assignment and also assign own member.
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dataPointer = other.dataPointer;
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StorageAccessor::operator=(std::move(other));
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return * this;
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}
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// Call the parent move ctor and also transfer own member.
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StorageAccessor::StorageAccessor(StorageAccessor&& other):
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ConstStorageAccessor(std::move(other)), dataPointer(other.dataPointer) {
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}
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ReturnValue_t StorageAccessor::getDataCopy(uint8_t *pointer, size_t maxSize) {
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if(internalState == AccessState::UNINIT) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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if(size_ > maxSize) {
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sif::error << "StorageAccessor: Supplied buffer not large "
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"enough" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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std::copy(dataPointer, dataPointer + size_, pointer);
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return HasReturnvaluesIF::RETURN_OK;
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}
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uint8_t* StorageAccessor::data() {
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if(internalState == AccessState::UNINIT) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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}
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return dataPointer;
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}
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ReturnValue_t StorageAccessor::write(uint8_t *data, size_t size,
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uint16_t offset) {
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if(internalState == AccessState::UNINIT) {
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sif::warning << "StorageAccessor: Not initialized!" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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if(offset + size > size_) {
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sif::error << "StorageAccessor: Data too large for pool "
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"entry!" << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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std::copy(data, data + size, dataPointer + offset);
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return HasReturnvaluesIF::RETURN_OK;
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}
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void StorageAccessor::assignConstPointer() {
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constDataPointer = dataPointer;
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}
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#include "../storagemanager/StorageAccessor.h"
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#include "../storagemanager/StorageManagerIF.h"
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#include "../serviceinterface/ServiceInterfaceStream.h"
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StorageAccessor::StorageAccessor(store_address_t storeId):
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ConstStorageAccessor(storeId) {
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}
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StorageAccessor::StorageAccessor(store_address_t storeId,
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StorageManagerIF* store):
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ConstStorageAccessor(storeId, store) {
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}
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StorageAccessor& StorageAccessor::operator =(
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StorageAccessor&& other) {
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// Call the parent move assignment and also assign own member.
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dataPointer = other.dataPointer;
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StorageAccessor::operator=(std::move(other));
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return * this;
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}
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// Call the parent move ctor and also transfer own member.
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StorageAccessor::StorageAccessor(StorageAccessor&& other):
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ConstStorageAccessor(std::move(other)), dataPointer(other.dataPointer) {
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}
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ReturnValue_t StorageAccessor::getDataCopy(uint8_t *pointer, size_t maxSize) {
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if(internalState == AccessState::UNINIT) {
|
||||
sif::warning << "StorageAccessor: Not initialized!" << std::endl;
|
||||
return HasReturnvaluesIF::RETURN_FAILED;
|
||||
}
|
||||
if(size_ > maxSize) {
|
||||
sif::error << "StorageAccessor: Supplied buffer not large "
|
||||
"enough" << std::endl;
|
||||
return HasReturnvaluesIF::RETURN_FAILED;
|
||||
}
|
||||
std::copy(dataPointer, dataPointer + size_, pointer);
|
||||
return HasReturnvaluesIF::RETURN_OK;
|
||||
}
|
||||
|
||||
uint8_t* StorageAccessor::data() {
|
||||
if(internalState == AccessState::UNINIT) {
|
||||
sif::warning << "StorageAccessor: Not initialized!" << std::endl;
|
||||
}
|
||||
return dataPointer;
|
||||
}
|
||||
|
||||
ReturnValue_t StorageAccessor::write(uint8_t *data, size_t size,
|
||||
uint16_t offset) {
|
||||
if(internalState == AccessState::UNINIT) {
|
||||
sif::warning << "StorageAccessor: Not initialized!" << std::endl;
|
||||
return HasReturnvaluesIF::RETURN_FAILED;
|
||||
}
|
||||
if(offset + size > size_) {
|
||||
sif::error << "StorageAccessor: Data too large for pool "
|
||||
"entry!" << std::endl;
|
||||
return HasReturnvaluesIF::RETURN_FAILED;
|
||||
}
|
||||
std::copy(data, data + size, dataPointer + offset);
|
||||
return HasReturnvaluesIF::RETURN_OK;
|
||||
}
|
||||
|
||||
void StorageAccessor::assignConstPointer() {
|
||||
constDataPointer = dataPointer;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -1,44 +1,45 @@
|
||||
#ifndef FRAMEWORK_STORAGEMANAGER_STORAGEACCESSOR_H_
|
||||
#define FRAMEWORK_STORAGEMANAGER_STORAGEACCESSOR_H_
|
||||
|
||||
#include "ConstStorageAccessor.h"
|
||||
|
||||
class StorageManagerIF;
|
||||
|
||||
/**
|
||||
* @brief Child class for modifyable data. Also has a normal pointer member.
|
||||
*/
|
||||
class StorageAccessor: public ConstStorageAccessor {
|
||||
//! StorageManager classes have exclusive access to private variables.
|
||||
template<uint8_t NUMBER_OF_POOLS>
|
||||
friend class PoolManager;
|
||||
template<uint8_t NUMBER_OF_POOLS>
|
||||
friend class LocalPool;
|
||||
public:
|
||||
StorageAccessor(store_address_t storeId);
|
||||
StorageAccessor(store_address_t storeId, StorageManagerIF* store);
|
||||
/**
|
||||
* @brief Move ctor and move assignment allow returning accessors as
|
||||
* a returnvalue. They prevent resource being free prematurely.
|
||||
* Refer to: https://github.com/MicrosoftDocs/cpp-docs/blob/master/docs/cpp/
|
||||
* move-constructors-and-move-assignment-operators-cpp.md
|
||||
* @param
|
||||
* @return
|
||||
*/
|
||||
StorageAccessor& operator= (StorageAccessor&&);
|
||||
StorageAccessor (StorageAccessor&&);
|
||||
|
||||
ReturnValue_t write(uint8_t *data, size_t size,
|
||||
uint16_t offset = 0);
|
||||
uint8_t* data();
|
||||
ReturnValue_t getDataCopy(uint8_t *pointer, size_t maxSize) override;
|
||||
|
||||
private:
|
||||
//! Non-const pointer for modifyable data.
|
||||
uint8_t* dataPointer = nullptr;
|
||||
//! For modifyable data, the const pointer is assigned to the normal
|
||||
//! pointer by the pool manager so both access functions can be used safely
|
||||
void assignConstPointer();
|
||||
};
|
||||
|
||||
#endif /* TEST_PROTOTYPES_STORAGEACCESSOR_H_ */
|
||||
#ifndef FRAMEWORK_STORAGEMANAGER_STORAGEACCESSOR_H_
|
||||
#define FRAMEWORK_STORAGEMANAGER_STORAGEACCESSOR_H_
|
||||
|
||||
#include "../storagemanager/ConstStorageAccessor.h"
|
||||
|
||||
class StorageManagerIF;
|
||||
|
||||
/**
|
||||
* @brief Child class for modifyable data. Also has a normal pointer member.
|
||||
*/
|
||||
class StorageAccessor: public ConstStorageAccessor {
|
||||
//! StorageManager classes have exclusive access to private variables.
|
||||
template<uint8_t NUMBER_OF_POOLS>
|
||||
friend class PoolManager;
|
||||
template<uint8_t NUMBER_OF_POOLS>
|
||||
friend class LocalPool;
|
||||
public:
|
||||
StorageAccessor(store_address_t storeId);
|
||||
StorageAccessor(store_address_t storeId, StorageManagerIF* store);
|
||||
|
||||
/**
|
||||
* @brief Move ctor and move assignment allow returning accessors as
|
||||
* a returnvalue. They prevent resource being freed prematurely.
|
||||
* See: https://github.com/MicrosoftDocs/cpp-docs/blob/master/docs/cpp/
|
||||
* move-constructors-and-move-assignment-operators-cpp.md
|
||||
* @param
|
||||
* @return
|
||||
*/
|
||||
StorageAccessor& operator=(StorageAccessor&&);
|
||||
StorageAccessor(StorageAccessor&&);
|
||||
|
||||
ReturnValue_t write(uint8_t *data, size_t size,
|
||||
uint16_t offset = 0);
|
||||
uint8_t* data();
|
||||
ReturnValue_t getDataCopy(uint8_t *pointer, size_t maxSize) override;
|
||||
|
||||
private:
|
||||
//! Non-const pointer for modifyable data.
|
||||
uint8_t* dataPointer = nullptr;
|
||||
//! For modifyable data, the const pointer is assigned to the normal
|
||||
//! pointer by the pool manager so both access functions can be used safely
|
||||
void assignConstPointer();
|
||||
};
|
||||
|
||||
#endif /* TEST_PROTOTYPES_STORAGEACCESSOR_H_ */
|
||||
|
||||
@ -1,168 +1,167 @@
|
||||
#ifndef STORAGEMANAGERIF_H_H
|
||||
#define STORAGEMANAGERIF_H_H
|
||||
|
||||
|
||||
#include "../events/Event.h"
|
||||
#include "../returnvalues/HasReturnvaluesIF.h"
|
||||
#include "../storagemanager/StorageAccessor.h"
|
||||
#include "../storagemanager/storeAddress.h"
|
||||
#include <utility>
|
||||
#include <cstddef>
|
||||
|
||||
using AccessorPair = std::pair<ReturnValue_t, StorageAccessor>;
|
||||
using ConstAccessorPair = std::pair<ReturnValue_t, ConstStorageAccessor>;
|
||||
|
||||
/**
|
||||
* @brief This class provides an interface for intermediate data storage.
|
||||
* @details The Storage manager classes shall be used to store larger chunks of
|
||||
* data in RAM for exchange between tasks. This interface expects the
|
||||
* data to be stored in one consecutive block of memory, so tasks can
|
||||
* write directly to the destination pointer.
|
||||
* For interprocess communication, the stores must be locked during
|
||||
* insertion and deletion. If the receiving storage identifier is
|
||||
* passed token-like between tasks, a lock during read and write
|
||||
* operations is not necessary.
|
||||
* @author Bastian Baetz
|
||||
* @date 18.09.2012
|
||||
*/
|
||||
class StorageManagerIF : public HasReturnvaluesIF {
|
||||
public:
|
||||
static const uint8_t INTERFACE_ID = CLASS_ID::STORAGE_MANAGER_IF; //!< The unique ID for return codes for this interface.
|
||||
static const ReturnValue_t DATA_TOO_LARGE = MAKE_RETURN_CODE(1); //!< This return code indicates that the data to be stored is too large for the store.
|
||||
static const ReturnValue_t DATA_STORAGE_FULL = MAKE_RETURN_CODE(2); //!< This return code indicates that a data storage is full.
|
||||
static const ReturnValue_t ILLEGAL_STORAGE_ID = MAKE_RETURN_CODE(3); //!< This return code indicates that data was requested with an illegal storage ID.
|
||||
static const ReturnValue_t DATA_DOES_NOT_EXIST = MAKE_RETURN_CODE(4); //!< This return code indicates that the requested ID was valid, but no data is stored there.
|
||||
static const ReturnValue_t ILLEGAL_ADDRESS = MAKE_RETURN_CODE(5);
|
||||
static const ReturnValue_t POOL_TOO_LARGE = MAKE_RETURN_CODE(6); //!< Pool size too large on initialization.
|
||||
|
||||
static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::OBSW;
|
||||
static const Event GET_DATA_FAILED = MAKE_EVENT(0, SEVERITY::LOW);
|
||||
static const Event STORE_DATA_FAILED = MAKE_EVENT(1, SEVERITY::LOW);
|
||||
|
||||
static const uint32_t INVALID_ADDRESS = 0xFFFFFFFF; //!< Indicates an invalid (i.e unused) storage address.
|
||||
/**
|
||||
* @brief This is the empty virtual destructor as required for C++ interfaces.
|
||||
*/
|
||||
virtual ~StorageManagerIF() {
|
||||
}
|
||||
;
|
||||
/**
|
||||
* @brief With addData, a free storage position is allocated and data
|
||||
* stored there.
|
||||
* @details During the allocation, the StorageManager is blocked.
|
||||
* @param storageId A pointer to the storageId to retrieve.
|
||||
* @param data The data to be stored in the StorageManager.
|
||||
* @param size The amount of data to be stored.
|
||||
* @return Returns @li RETURN_OK if data was added.
|
||||
* @li RETURN_FAILED if data could not be added.
|
||||
* storageId is unchanged then.
|
||||
*/
|
||||
virtual ReturnValue_t addData(store_address_t* storageId,
|
||||
const uint8_t * data, size_t size, bool ignoreFault = false) = 0;
|
||||
/**
|
||||
* @brief With deleteData, the storageManager frees the memory region
|
||||
* identified by packet_id.
|
||||
* @param packet_id The identifier of the memory region to be freed.
|
||||
* @return @li RETURN_OK on success.
|
||||
* @li RETURN_FAILED if deletion did not work
|
||||
* (e.g. an illegal packet_id was passed).
|
||||
*/
|
||||
virtual ReturnValue_t deleteData(store_address_t packet_id) = 0;
|
||||
/**
|
||||
* @brief Another deleteData which uses the pointer and size of the
|
||||
* stored data to delete the content.
|
||||
* @param buffer Pointer to the data.
|
||||
* @param size Size of data to be stored.
|
||||
* @param storeId Store id of the deleted element (optional)
|
||||
* @return @li RETURN_OK on success.
|
||||
* @li failure code if deletion did not work
|
||||
*/
|
||||
virtual ReturnValue_t deleteData(uint8_t* buffer, size_t size,
|
||||
store_address_t* storeId = nullptr) = 0;
|
||||
|
||||
|
||||
/**
|
||||
* @brief Access the data by supplying a store ID.
|
||||
* @details
|
||||
* A pair consisting of the retrieval result and an instance of a
|
||||
* ConstStorageAccessor class is returned
|
||||
* @param storeId
|
||||
* @return Pair of return value and a ConstStorageAccessor instance
|
||||
*/
|
||||
virtual ConstAccessorPair getData(store_address_t storeId) = 0;
|
||||
|
||||
/**
|
||||
* @brief Access the data by supplying a store ID and a helper
|
||||
* instance
|
||||
* @param storeId
|
||||
* @param constAccessor Wrapper function to access store data.
|
||||
* @return
|
||||
*/
|
||||
virtual ReturnValue_t getData(store_address_t storeId,
|
||||
ConstStorageAccessor& constAccessor) = 0;
|
||||
|
||||
|
||||
/**
|
||||
* @brief getData returns an address to data and the size of the data
|
||||
* for a given packet_id.
|
||||
* @param packet_id The id of the data to be returned
|
||||
* @param packet_ptr The passed pointer address is set to the the memory
|
||||
* position
|
||||
* @param size The exact size of the stored data is returned here.
|
||||
* @return @li RETURN_OK on success.
|
||||
* @li RETURN_FAILED if fetching data did not work
|
||||
* (e.g. an illegal packet_id was passed).
|
||||
*/
|
||||
virtual ReturnValue_t getData(store_address_t packet_id,
|
||||
const uint8_t** packet_ptr, size_t* size) = 0;
|
||||
|
||||
|
||||
/**
|
||||
* Modify data by supplying a store ID
|
||||
* @param storeId
|
||||
* @return Pair of return value and StorageAccessor helper
|
||||
*/
|
||||
virtual AccessorPair modifyData(store_address_t storeId) = 0;
|
||||
|
||||
/**
|
||||
* Modify data by supplying a store ID and a StorageAccessor helper instance.
|
||||
* @param storeId
|
||||
* @param accessor Helper class to access the modifiable data.
|
||||
* @return
|
||||
*/
|
||||
virtual ReturnValue_t modifyData(store_address_t storeId,
|
||||
StorageAccessor& accessor) = 0;
|
||||
|
||||
/**
|
||||
* Get pointer and size of modifiable data by supplying the storeId
|
||||
* @param packet_id
|
||||
* @param packet_ptr [out] Pointer to pointer of data to set
|
||||
* @param size [out] Pointer to size to set
|
||||
* @return
|
||||
*/
|
||||
virtual ReturnValue_t modifyData(store_address_t packet_id,
|
||||
uint8_t** packet_ptr, size_t* size) = 0;
|
||||
/**
|
||||
* This method reserves an element of \c size.
|
||||
*
|
||||
* It returns the packet id of this element as well as a direct pointer to the
|
||||
* data of the element. It must be assured that exactly \c size data is
|
||||
* written to p_data!
|
||||
* @param storageId A pointer to the storageId to retrieve.
|
||||
* @param size The size of the space to be reserved.
|
||||
* @param p_data A pointer to the element data is returned here.
|
||||
* @return Returns @li RETURN_OK if data was added.
|
||||
* @li RETURN_FAILED if data could not be added.
|
||||
* storageId is unchanged then.
|
||||
*/
|
||||
virtual ReturnValue_t getFreeElement(store_address_t* storageId,
|
||||
const size_t size, uint8_t** p_data, bool ignoreFault = false ) = 0;
|
||||
|
||||
/**
|
||||
* Clears the whole store.
|
||||
* Use with care!
|
||||
*/
|
||||
virtual void clearStore() = 0;
|
||||
};
|
||||
|
||||
#endif /* STORAGEMANAGERIF_H_ */
|
||||
#ifndef STORAGEMANAGERIF_H_H
|
||||
#define STORAGEMANAGERIF_H_H
|
||||
|
||||
#include "../events/Event.h"
|
||||
#include "../returnvalues/HasReturnvaluesIF.h"
|
||||
#include "../storagemanager/StorageAccessor.h"
|
||||
#include "../storagemanager/storeAddress.h"
|
||||
#include <utility>
|
||||
#include <cstddef>
|
||||
|
||||
using AccessorPair = std::pair<ReturnValue_t, StorageAccessor>;
|
||||
using ConstAccessorPair = std::pair<ReturnValue_t, ConstStorageAccessor>;
|
||||
|
||||
/**
|
||||
* @brief This class provides an interface for intermediate data storage.
|
||||
* @details The Storage manager classes shall be used to store larger chunks of
|
||||
* data in RAM for exchange between tasks. This interface expects the
|
||||
* data to be stored in one consecutive block of memory, so tasks can
|
||||
* write directly to the destination pointer.
|
||||
* For interprocess communication, the stores must be locked during
|
||||
* insertion and deletion. If the receiving storage identifier is
|
||||
* passed token-like between tasks, a lock during read and write
|
||||
* operations is not necessary.
|
||||
* @author Bastian Baetz
|
||||
* @date 18.09.2012
|
||||
*/
|
||||
class StorageManagerIF : public HasReturnvaluesIF {
|
||||
public:
|
||||
static const uint8_t INTERFACE_ID = CLASS_ID::STORAGE_MANAGER_IF; //!< The unique ID for return codes for this interface.
|
||||
static const ReturnValue_t DATA_TOO_LARGE = MAKE_RETURN_CODE(1); //!< This return code indicates that the data to be stored is too large for the store.
|
||||
static const ReturnValue_t DATA_STORAGE_FULL = MAKE_RETURN_CODE(2); //!< This return code indicates that a data storage is full.
|
||||
static const ReturnValue_t ILLEGAL_STORAGE_ID = MAKE_RETURN_CODE(3); //!< This return code indicates that data was requested with an illegal storage ID.
|
||||
static const ReturnValue_t DATA_DOES_NOT_EXIST = MAKE_RETURN_CODE(4); //!< This return code indicates that the requested ID was valid, but no data is stored there.
|
||||
static const ReturnValue_t ILLEGAL_ADDRESS = MAKE_RETURN_CODE(5);
|
||||
static const ReturnValue_t POOL_TOO_LARGE = MAKE_RETURN_CODE(6); //!< Pool size too large on initialization.
|
||||
|
||||
static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::OBSW;
|
||||
static const Event GET_DATA_FAILED = MAKE_EVENT(0, SEVERITY::LOW);
|
||||
static const Event STORE_DATA_FAILED = MAKE_EVENT(1, SEVERITY::LOW);
|
||||
|
||||
static const uint32_t INVALID_ADDRESS = 0xFFFFFFFF; //!< Indicates an invalid (i.e unused) storage address.
|
||||
/**
|
||||
* @brief This is the empty virtual destructor as required for C++ interfaces.
|
||||
*/
|
||||
virtual ~StorageManagerIF() {
|
||||
}
|
||||
;
|
||||
/**
|
||||
* @brief With addData, a free storage position is allocated and data
|
||||
* stored there.
|
||||
* @details During the allocation, the StorageManager is blocked.
|
||||
* @param storageId A pointer to the storageId to retrieve.
|
||||
* @param data The data to be stored in the StorageManager.
|
||||
* @param size The amount of data to be stored.
|
||||
* @return Returns @li RETURN_OK if data was added.
|
||||
* @li RETURN_FAILED if data could not be added.
|
||||
* storageId is unchanged then.
|
||||
*/
|
||||
virtual ReturnValue_t addData(store_address_t* storageId,
|
||||
const uint8_t * data, size_t size, bool ignoreFault = false) = 0;
|
||||
/**
|
||||
* @brief With deleteData, the storageManager frees the memory region
|
||||
* identified by packet_id.
|
||||
* @param packet_id The identifier of the memory region to be freed.
|
||||
* @return @li RETURN_OK on success.
|
||||
* @li RETURN_FAILED if deletion did not work
|
||||
* (e.g. an illegal packet_id was passed).
|
||||
*/
|
||||
virtual ReturnValue_t deleteData(store_address_t packet_id) = 0;
|
||||
/**
|
||||
* @brief Another deleteData which uses the pointer and size of the
|
||||
* stored data to delete the content.
|
||||
* @param buffer Pointer to the data.
|
||||
* @param size Size of data to be stored.
|
||||
* @param storeId Store id of the deleted element (optional)
|
||||
* @return @li RETURN_OK on success.
|
||||
* @li failure code if deletion did not work
|
||||
*/
|
||||
virtual ReturnValue_t deleteData(uint8_t* buffer, size_t size,
|
||||
store_address_t* storeId = nullptr) = 0;
|
||||
|
||||
|
||||
/**
|
||||
* @brief Access the data by supplying a store ID.
|
||||
* @details
|
||||
* A pair consisting of the retrieval result and an instance of a
|
||||
* ConstStorageAccessor class is returned
|
||||
* @param storeId
|
||||
* @return Pair of return value and a ConstStorageAccessor instance
|
||||
*/
|
||||
virtual ConstAccessorPair getData(store_address_t storeId) = 0;
|
||||
|
||||
/**
|
||||
* @brief Access the data by supplying a store ID and a helper
|
||||
* instance
|
||||
* @param storeId
|
||||
* @param constAccessor Wrapper function to access store data.
|
||||
* @return
|
||||
*/
|
||||
virtual ReturnValue_t getData(store_address_t storeId,
|
||||
ConstStorageAccessor& constAccessor) = 0;
|
||||
|
||||
|
||||
/**
|
||||
* @brief getData returns an address to data and the size of the data
|
||||
* for a given packet_id.
|
||||
* @param packet_id The id of the data to be returned
|
||||
* @param packet_ptr The passed pointer address is set to the the memory
|
||||
* position
|
||||
* @param size The exact size of the stored data is returned here.
|
||||
* @return @li RETURN_OK on success.
|
||||
* @li RETURN_FAILED if fetching data did not work
|
||||
* (e.g. an illegal packet_id was passed).
|
||||
*/
|
||||
virtual ReturnValue_t getData(store_address_t packet_id,
|
||||
const uint8_t** packet_ptr, size_t* size) = 0;
|
||||
|
||||
|
||||
/**
|
||||
* Modify data by supplying a store ID
|
||||
* @param storeId
|
||||
* @return Pair of return value and StorageAccessor helper
|
||||
*/
|
||||
virtual AccessorPair modifyData(store_address_t storeId) = 0;
|
||||
|
||||
/**
|
||||
* Modify data by supplying a store ID and a StorageAccessor helper instance.
|
||||
* @param storeId
|
||||
* @param accessor Helper class to access the modifiable data.
|
||||
* @return
|
||||
*/
|
||||
virtual ReturnValue_t modifyData(store_address_t storeId,
|
||||
StorageAccessor& accessor) = 0;
|
||||
|
||||
/**
|
||||
* Get pointer and size of modifiable data by supplying the storeId
|
||||
* @param packet_id
|
||||
* @param packet_ptr [out] Pointer to pointer of data to set
|
||||
* @param size [out] Pointer to size to set
|
||||
* @return
|
||||
*/
|
||||
virtual ReturnValue_t modifyData(store_address_t packet_id,
|
||||
uint8_t** packet_ptr, size_t* size) = 0;
|
||||
/**
|
||||
* This method reserves an element of \c size.
|
||||
*
|
||||
* It returns the packet id of this element as well as a direct pointer to the
|
||||
* data of the element. It must be assured that exactly \c size data is
|
||||
* written to p_data!
|
||||
* @param storageId A pointer to the storageId to retrieve.
|
||||
* @param size The size of the space to be reserved.
|
||||
* @param p_data A pointer to the element data is returned here.
|
||||
* @return Returns @li RETURN_OK if data was added.
|
||||
* @li RETURN_FAILED if data could not be added.
|
||||
* storageId is unchanged then.
|
||||
*/
|
||||
virtual ReturnValue_t getFreeElement(store_address_t* storageId,
|
||||
const size_t size, uint8_t** p_data, bool ignoreFault = false ) = 0;
|
||||
|
||||
/**
|
||||
* Clears the whole store.
|
||||
* Use with care!
|
||||
*/
|
||||
virtual void clearStore() = 0;
|
||||
};
|
||||
|
||||
#endif /* STORAGEMANAGERIF_H_ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user