fsfw/storagemanager/PoolManager.h
Robin.Mueller 8af5a32f1d new store accessor classes
implementation of local pool and pool manager extracted into
tpp file.

store_address_t definition extracted in separate file to avoid circular
includes by using forward declarations
2020-05-29 16:37:46 +02:00

45 lines
1.5 KiB
C++

#ifndef FRAMEWORK_STORAGEMANAGER_POOLMANAGER_H_
#define FRAMEWORK_STORAGEMANAGER_POOLMANAGER_H_
#include <framework/storagemanager/LocalPool.h>
#include <framework/ipc/MutexHelper.h>
#include <framework/storagemanager/StorageAccessor.h>
/**
* @brief The PoolManager class provides an intermediate data storage with
* a fixed pool size policy for inter-process communication.
* @details Uses local pool calls but is thread safe by protecting the call
* with a lock.
*/
template <uint8_t NUMBER_OF_POOLS>
class PoolManager : public LocalPool<NUMBER_OF_POOLS> {
public:
PoolManager(object_id_t setObjectId,
const uint16_t element_sizes[NUMBER_OF_POOLS],
const uint16_t n_elements[NUMBER_OF_POOLS]);
//! @brief In the PoolManager's destructor all allocated memory is freed.
virtual ~PoolManager();
//! @brief LocalPool overrides for thread-safety. Decorator function which
//! wraps LocalPool calls with a mutex protection.
ReturnValue_t deleteData(store_address_t) override;
ReturnValue_t deleteData(uint8_t* buffer, size_t size,
store_address_t* storeId = nullptr) override;
protected:
ReturnValue_t reserveSpace(const uint32_t size, store_address_t* address,
bool ignoreFault) override;
/**
* @brief The mutex is created in the constructor and makes
* access mutual exclusive.
* @details Locking and unlocking is done during searching for free slots
* and deleting existing slots.
*/
MutexIF* mutex;
};
#include "PoolManager.tpp"
#endif /* POOLMANAGER_H_ */