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
This commit is contained in:
@ -1,26 +1,18 @@
|
||||
#ifndef FRAMEWORK_STORAGEMANAGER_LOCALPOOL_H_
|
||||
#define FRAMEWORK_STORAGEMANAGER_LOCALPOOL_H_
|
||||
|
||||
/**
|
||||
* @file LocalPool
|
||||
*
|
||||
* @date 02.02.2012
|
||||
* @author Bastian Baetz
|
||||
*
|
||||
* @brief This file contains the definition of the LocalPool class.
|
||||
*/
|
||||
|
||||
#include <framework/objectmanager/SystemObject.h>
|
||||
#include <framework/serviceinterface/ServiceInterfaceStream.h>
|
||||
#include <framework/storagemanager/StorageManagerIF.h>
|
||||
#include <framework/objectmanager/ObjectManagerIF.h>
|
||||
#include <framework/internalError/InternalErrorReporterIF.h>
|
||||
#include <string.h>
|
||||
#include <framework/storagemanager/StorageAccessor.h>
|
||||
#include <cstring>
|
||||
|
||||
/**
|
||||
* @brief The LocalPool class provides an intermediate data storage with
|
||||
* a fixed pool size policy.
|
||||
* \details The class implements the StorageManagerIF interface. While the
|
||||
* @details The class implements the StorageManagerIF interface. While the
|
||||
* total number of pools is fixed, the element sizes in one pool and
|
||||
* the number of pool elements per pool are set on construction.
|
||||
* The full amount of memory is allocated on construction.
|
||||
@ -39,7 +31,71 @@ public:
|
||||
* @brief This definition generally sets the number of different sized pools.
|
||||
* @details This must be less than the maximum number of pools (currently 0xff).
|
||||
*/
|
||||
// static const uint32_t NUMBER_OF_POOLS;
|
||||
// static const uint32_t NUMBER_OF_POOLS;
|
||||
/**
|
||||
* @brief This is the default constructor for a pool manager instance.
|
||||
* @details By passing two arrays of size NUMBER_OF_POOLS, the constructor
|
||||
* allocates memory (with \c new) for store and size_list. These
|
||||
* regions are all set to zero on start up.
|
||||
* @param setObjectId The object identifier to be set. This allows for
|
||||
* multiple instances of LocalPool in the system.
|
||||
* @param element_sizes An array of size NUMBER_OF_POOLS in which the size
|
||||
* of a single element in each pool is determined.
|
||||
* <b>The sizes must be provided in ascending order.
|
||||
* </b>
|
||||
* @param n_elements An array of size NUMBER_OF_POOLS in which the
|
||||
* number of elements for each pool is determined.
|
||||
* The position of these values correspond to those in
|
||||
* element_sizes.
|
||||
* @param registered Register the pool in object manager or not. Default is false (local pool).
|
||||
* @param spillsToHigherPools
|
||||
* A variable to determine whether higher n pools are used if the store is full.
|
||||
*/
|
||||
LocalPool(object_id_t setObjectId,
|
||||
const uint16_t element_sizes[NUMBER_OF_POOLS],
|
||||
const uint16_t n_elements[NUMBER_OF_POOLS],
|
||||
bool registered = false,
|
||||
bool spillsToHigherPools = false);
|
||||
/**
|
||||
* @brief In the LocalPool's destructor all allocated memory is freed.
|
||||
*/
|
||||
virtual ~LocalPool(void);
|
||||
|
||||
/**
|
||||
* Documentation: See StorageManagerIF.h
|
||||
*/
|
||||
ReturnValue_t addData(store_address_t* storageId, const uint8_t * data,
|
||||
size_t size, bool ignoreFault = false) override;
|
||||
ReturnValue_t getFreeElement(store_address_t* storageId,const size_t size,
|
||||
uint8_t** p_data, bool ignoreFault = false) override;
|
||||
|
||||
ConstAccessorPair getData(store_address_t packet_id) override;
|
||||
ReturnValue_t getData(store_address_t packet_id, ConstStorageAccessor&) override;
|
||||
ReturnValue_t getData(store_address_t packet_id, const uint8_t** packet_ptr,
|
||||
size_t * size) override;
|
||||
|
||||
AccessorPair modifyData(store_address_t packet_id) override;
|
||||
ReturnValue_t modifyData(store_address_t packet_id, StorageAccessor&) override;
|
||||
ReturnValue_t modifyData(store_address_t packet_id, uint8_t** packet_ptr,
|
||||
size_t * size) override;
|
||||
|
||||
virtual ReturnValue_t deleteData(store_address_t) override;
|
||||
virtual ReturnValue_t deleteData(uint8_t* ptr, size_t size,
|
||||
store_address_t* storeId = NULL) override;
|
||||
void clearStore() override;
|
||||
ReturnValue_t initialize() override;
|
||||
protected:
|
||||
/**
|
||||
* With this helper method, a free element of \c size is reserved.
|
||||
* @param size The minimum packet size that shall be reserved.
|
||||
* @param[out] address Storage ID of the reserved data.
|
||||
* @return - #RETURN_OK on success,
|
||||
* - the return codes of #getPoolIndex or #findEmpty otherwise.
|
||||
*/
|
||||
virtual ReturnValue_t reserveSpace(const uint32_t size,
|
||||
store_address_t* address, bool ignoreFault);
|
||||
|
||||
InternalErrorReporterIF *internalErrorReporter;
|
||||
private:
|
||||
/**
|
||||
* Indicates that this element is free.
|
||||
@ -78,7 +134,7 @@ private:
|
||||
* @param data The data to be stored.
|
||||
* @param size The size of the data to be stored.
|
||||
*/
|
||||
void write(store_address_t packet_id, const uint8_t* data, uint32_t size);
|
||||
void write(store_address_t packet_id, const uint8_t* data, size_t size);
|
||||
/**
|
||||
* @brief A helper method to read the element size of a certain pool.
|
||||
* @param pool_index The pool in which to look.
|
||||
@ -101,7 +157,8 @@ private:
|
||||
* @return - #RETURN_OK on success,
|
||||
* - #DATA_TOO_LARGE otherwise.
|
||||
*/
|
||||
ReturnValue_t getPoolIndex(uint32_t packet_size, uint16_t* poolIndex, uint16_t startAtIndex = 0);
|
||||
ReturnValue_t getPoolIndex(size_t packet_size, uint16_t* poolIndex,
|
||||
uint16_t startAtIndex = 0);
|
||||
/**
|
||||
* @brief This helper method calculates the true array position in store
|
||||
* of a given packet id.
|
||||
@ -121,310 +178,8 @@ private:
|
||||
* - #DATA_STORAGE_FULL if the store is full
|
||||
*/
|
||||
ReturnValue_t findEmpty(uint16_t pool_index, uint16_t* element);
|
||||
protected:
|
||||
/**
|
||||
* With this helper method, a free element of \c size is reserved.
|
||||
* @param size The minimum packet size that shall be reserved.
|
||||
* @param[out] address Storage ID of the reserved data.
|
||||
* @return - #RETURN_OK on success,
|
||||
* - the return codes of #getPoolIndex or #findEmpty otherwise.
|
||||
*/
|
||||
virtual ReturnValue_t reserveSpace(const uint32_t size, store_address_t* address, bool ignoreFault);
|
||||
|
||||
InternalErrorReporterIF *internalErrorReporter;
|
||||
public:
|
||||
/**
|
||||
* @brief This is the default constructor for a pool manager instance.
|
||||
* @details By passing two arrays of size NUMBER_OF_POOLS, the constructor
|
||||
* allocates memory (with \c new) for store and size_list. These
|
||||
* regions are all set to zero on start up.
|
||||
* @param setObjectId The object identifier to be set. This allows for
|
||||
* multiple instances of LocalPool in the system.
|
||||
* @param element_sizes An array of size NUMBER_OF_POOLS in which the size
|
||||
* of a single element in each pool is determined.
|
||||
* <b>The sizes must be provided in ascending order.
|
||||
* </b>
|
||||
* @param n_elements An array of size NUMBER_OF_POOLS in which the
|
||||
* number of elements for each pool is determined.
|
||||
* The position of these values correspond to those in
|
||||
* element_sizes.
|
||||
* @param registered Register the pool in object manager or not. Default is false (local pool).
|
||||
*/
|
||||
LocalPool(object_id_t setObjectId,
|
||||
const uint16_t element_sizes[NUMBER_OF_POOLS],
|
||||
const uint16_t n_elements[NUMBER_OF_POOLS],
|
||||
bool registered = false,
|
||||
bool spillsToHigherPools = false);
|
||||
/**
|
||||
* @brief In the LocalPool's destructor all allocated memory is freed.
|
||||
*/
|
||||
virtual ~LocalPool(void);
|
||||
ReturnValue_t addData(store_address_t* storageId, const uint8_t * data,
|
||||
uint32_t size, bool ignoreFault = false);
|
||||
|
||||
/**
|
||||
* With this helper method, a free element of \c size is reserved.
|
||||
*
|
||||
* @param size The minimum packet size that shall be reserved.
|
||||
* @return Returns the storage identifier within the storage or
|
||||
* StorageManagerIF::INVALID_ADDRESS (in raw).
|
||||
*/
|
||||
ReturnValue_t getFreeElement(store_address_t* storageId,
|
||||
const uint32_t size, uint8_t** p_data, bool ignoreFault = false);
|
||||
ReturnValue_t getData(store_address_t packet_id, const uint8_t** packet_ptr,
|
||||
uint32_t* size);
|
||||
ReturnValue_t modifyData(store_address_t packet_id, uint8_t** packet_ptr,
|
||||
uint32_t* size);
|
||||
virtual ReturnValue_t deleteData(store_address_t);
|
||||
virtual ReturnValue_t deleteData(uint8_t* ptr, uint32_t size,
|
||||
store_address_t* storeId = NULL);
|
||||
void clearStore();
|
||||
ReturnValue_t initialize();
|
||||
};
|
||||
|
||||
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, uint32_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(
|
||||
uint32_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) {
|
||||
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(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), spillsToHigherPools(spillsToHigherPools), internalErrorReporter(NULL) {
|
||||
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]));
|
||||
memset(size_list[n], STORAGE_FREE, (n_elements[n] * sizeof(**size_list))); //TODO checkme
|
||||
}
|
||||
}
|
||||
|
||||
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, uint32_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 uint32_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 ReturnValue_t LocalPool<NUMBER_OF_POOLS>::getData(
|
||||
store_address_t packet_id, const uint8_t** packet_ptr, uint32_t* size) {
|
||||
uint8_t* tempData = NULL;
|
||||
ReturnValue_t status = modifyData(packet_id, &tempData, size);
|
||||
*packet_ptr = tempData;
|
||||
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, uint32_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++) {
|
||||
memset(size_list[n], STORAGE_FREE, (n_elements[n] * sizeof(**size_list)));//TODO checkme
|
||||
}
|
||||
}
|
||||
|
||||
template<uint8_t NUMBER_OF_POOLS>
|
||||
inline ReturnValue_t LocalPool<NUMBER_OF_POOLS>::deleteData(uint8_t* ptr,
|
||||
uint32_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 == NULL){
|
||||
return RETURN_FAILED;
|
||||
}
|
||||
|
||||
//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 RETURN_FAILED;
|
||||
}
|
||||
}
|
||||
return RETURN_OK;
|
||||
}
|
||||
#include <framework/storagemanager/LocalPool.tpp>
|
||||
|
||||
#endif /* FRAMEWORK_STORAGEMANAGER_LOCALPOOL_H_ */
|
||||
|
||||
Reference in New Issue
Block a user