fsfw/datapool/DataSet.cpp
2020-08-13 20:53:35 +02:00

151 lines
4.1 KiB
C++

#include "DataSet.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
DataSet::DataSet() :
fill_count(0), state(DATA_SET_UNINITIALISED) {
for (unsigned count = 0; count < DATA_SET_MAX_SIZE; count++) {
registeredVariables[count] = NULL;
}
}
DataSet::~DataSet() {
//Don't do anything with your variables, they are dead already! (Destructor is already called)
}
ReturnValue_t DataSet::read() {
ReturnValue_t result = RETURN_OK;
if (state == DATA_SET_UNINITIALISED) {
lockDataPool();
for (uint16_t count = 0; count < fill_count; count++) {
if (registeredVariables[count]->getReadWriteMode()
!= PoolVariableIF::VAR_WRITE
&& registeredVariables[count]->getDataPoolId()
!= PoolVariableIF::NO_PARAMETER) {
ReturnValue_t status = registeredVariables[count]->read();
if (status != RETURN_OK) {
result = INVALID_PARAMETER_DEFINITION;
break;
}
}
}
state = DATA_SET_WAS_READ;
freeDataPoolLock();
} else {
sif::error << "DataSet::read(): Call made in wrong position." << std::endl;
result = SET_WAS_ALREADY_READ;
}
return result;
}
ReturnValue_t DataSet::commit(uint8_t valid) {
setValid(valid);
return commit();
}
ReturnValue_t DataSet::commit() {
if (state == DATA_SET_WAS_READ) {
lockDataPool();
for (uint16_t count = 0; count < fill_count; count++) {
if (registeredVariables[count]->getReadWriteMode()
!= PoolVariableIF::VAR_READ
&& registeredVariables[count]->getDataPoolId()
!= PoolVariableIF::NO_PARAMETER) {
registeredVariables[count]->commit();
}
}
state = DATA_SET_UNINITIALISED;
freeDataPoolLock();
return RETURN_OK;
} else {
ReturnValue_t result = RETURN_OK;
lockDataPool();
for (uint16_t count = 0; count < fill_count; count++) {
if (registeredVariables[count]->getReadWriteMode()
== PoolVariableIF::VAR_WRITE
&& registeredVariables[count]->getDataPoolId()
!= PoolVariableIF::NO_PARAMETER) {
registeredVariables[count]->commit();
} else if (registeredVariables[count]->getDataPoolId()
!= PoolVariableIF::NO_PARAMETER) {
if (result != COMMITING_WITHOUT_READING) {
sif::error <<
"DataSet::commit(): commit-without-read "
"call made with non write-only variable." << std::endl;
result = COMMITING_WITHOUT_READING;
}
}
}
state = DATA_SET_UNINITIALISED;
freeDataPoolLock();
return result;
}
}
void DataSet::registerVariable(PoolVariableIF* variable) {
if (state == DATA_SET_UNINITIALISED) {
if (variable != NULL) {
if (fill_count < DATA_SET_MAX_SIZE) {
registeredVariables[fill_count] = variable;
fill_count++;
return;
}
}
}
sif::error
<< "DataSet::registerVariable: failed. Either NULL, or set is full, or call made in wrong position."
<< std::endl;
return;
}
uint8_t DataSet::freeDataPoolLock() {
return ::dataPool.freeDataPoolLock();
}
uint8_t DataSet::lockDataPool() {
return ::dataPool.lockDataPool();
}
ReturnValue_t DataSet::serialize(uint8_t** buffer, size_t* size,
size_t maxSize, Endianness streamEndianness) const {
ReturnValue_t result = RETURN_FAILED;
for (uint16_t count = 0; count < fill_count; count++) {
result = registeredVariables[count]->serialize(buffer, size, maxSize,
streamEndianness);
if (result != RETURN_OK) {
return result;
}
}
return result;
}
size_t DataSet::getSerializedSize() const {
size_t size = 0;
for (uint16_t count = 0; count < fill_count; count++) {
size += registeredVariables[count]->getSerializedSize();
}
return size;
}
void DataSet::setValid(uint8_t valid) {
for (uint16_t count = 0; count < fill_count; count++) {
if (registeredVariables[count]->getReadWriteMode()
!= PoolVariableIF::VAR_READ) {
registeredVariables[count]->setValid(valid);
}
}
}
ReturnValue_t DataSet::deSerialize(const uint8_t** buffer, size_t* size,
Endianness streamEndianness) {
ReturnValue_t result = RETURN_FAILED;
for (uint16_t count = 0; count < fill_count; count++) {
result = registeredVariables[count]->deSerialize(buffer, size,
streamEndianness);
if (result != RETURN_OK) {
return result;
}
}
return result;
}