fsfw/datapool/DataPool.cpp

133 lines
4.8 KiB
C++

#include <framework/datapool/DataPool.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include <framework/ipc/MutexFactory.h>
DataPool::DataPool( void ( *initFunction )( std::map<uint32_t, PoolEntryIF*>* pool_map ) ) {
mutex = MutexFactory::instance()->createMutex();
if (initFunction != NULL ) {
initFunction( &this->data_pool );
}
}
DataPool::~DataPool() {
MutexFactory::instance()->deleteMutex(mutex);
for ( std::map<uint32_t, PoolEntryIF*>::iterator it = this->data_pool.begin(); it != this->data_pool.end(); ++it ) {
delete it->second;
}
}
//The function checks PID, type and array length before returning a copy of the PoolEntry. In failure case, it returns a temp-Entry with size 0 and NULL-ptr.
template <typename T> PoolEntry<T>* DataPool::getData( uint32_t data_pool_id, uint8_t sizeOrPosition ) {
std::map<uint32_t, PoolEntryIF*>::iterator it = this->data_pool.find( data_pool_id );
if ( it != this->data_pool.end() ) {
PoolEntry<T>* entry = dynamic_cast< PoolEntry<T>* >( it->second );
if (entry != NULL ) {
if ( sizeOrPosition <= entry->length ) {
return entry;
}
}
}
return NULL;
}
PoolEntryIF* DataPool::getRawData( uint32_t data_pool_id ) {
std::map<uint32_t, PoolEntryIF*>::iterator it = this->data_pool.find( data_pool_id );
if ( it != this->data_pool.end() ) {
return it->second;
} else {
return NULL;
}
}
//uint8_t DataPool::getRawData( uint32_t data_pool_id, uint8_t* address, uint16_t* size, uint32_t max_size ) {
// std::map<uint32_t, PoolEntryIF*>::iterator it = this->data_pool.find( data_pool_id );
// if ( it != this->data_pool.end() ) {
// if ( it->second->getByteSize() <= max_size ) {
// *size = it->second->getByteSize();
// memcpy( address, it->second->getRawData(), *size );
// return DP_SUCCESSFUL;
// }
// }
// *size = 0;
// return DP_FAILURE;
//}
ReturnValue_t DataPool::freeDataPoolLock() {
ReturnValue_t status = mutex->unlockMutex();
if ( status != RETURN_OK ) {
sif::error << "DataPool::DataPool: unlock of mutex failed with error code: " << status << std::endl;
}
return status;
}
ReturnValue_t DataPool::lockDataPool() {
ReturnValue_t status = mutex->lockMutex(MutexIF::NO_TIMEOUT);
if ( status != RETURN_OK ) {
sif::error << "DataPool::DataPool: lock of mutex failed with error code: " << status << std::endl;
}
return status;
}
void DataPool::print() {
sif::debug << "DataPool contains: " << std::endl;
std::map<uint32_t, PoolEntryIF*>::iterator dataPoolIt;
dataPoolIt = this->data_pool.begin();
while( dataPoolIt != this->data_pool.end() ) {
sif::debug << std::hex << dataPoolIt->first << std::dec << " |";
dataPoolIt->second->print();
dataPoolIt++;
}
}
template PoolEntry<bool>* DataPool::getData<bool>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<uint8_t>* DataPool::getData<uint8_t>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<uint16_t>* DataPool::getData<uint16_t>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<uint32_t>* DataPool::getData<uint32_t>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<uint64_t>* DataPool::getData<uint64_t>(uint32_t data_pool_id,
uint8_t size);
template PoolEntry<int8_t>* DataPool::getData<int8_t>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<int16_t>* DataPool::getData<int16_t>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<int32_t>* DataPool::getData<int32_t>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<float>* DataPool::getData<float>( uint32_t data_pool_id, uint8_t size );
template PoolEntry<double>* DataPool::getData<double>(uint32_t data_pool_id,
uint8_t size);
uint32_t DataPool::PIDToDataPoolId(uint32_t parameter_id) {
return (parameter_id >> 8) & 0x00FFFFFF;
}
uint8_t DataPool::PIDToArrayIndex(uint32_t parameter_id) {
return (parameter_id & 0x000000FF);
}
uint32_t DataPool::poolIdAndPositionToPid(uint32_t poolId, uint8_t index) {
return (poolId << 8) + index;
}
//SHOULDDO: Do we need a mutex lock here... I don't think so, as we only check static const values of elements in a list that do not change.
//there is no guarantee in the standard, but it seems to me that the implementation is safe -UM
ReturnValue_t DataPool::getType(uint32_t parameter_id, Type* type) {
std::map<uint32_t, PoolEntryIF*>::iterator it = this->data_pool.find( PIDToDataPoolId(parameter_id));
if ( it != this->data_pool.end() ) {
*type = it->second->getType();
return RETURN_OK;
} else {
*type = Type::UNKNOWN_TYPE;
return RETURN_FAILED;
}
}
bool DataPool::exists(uint32_t parameterId) {
uint32_t poolId = PIDToDataPoolId(parameterId);
uint32_t index = PIDToArrayIndex(parameterId);
std::map<uint32_t, PoolEntryIF*>::iterator it = this->data_pool.find( poolId );
if (it != data_pool.end()) {
if (it->second->getSize() >= index) {
return true;
}
}
return false;
}