128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
#include <framework/serialize/SerialBufferAdapter.h>
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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#include <cstring>
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template<typename count_t>
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SerialBufferAdapter<count_t>::SerialBufferAdapter(const void* buffer,
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count_t bufferLength, bool serializeLength) :
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m_serialize_length(serializeLength),
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m_const_buffer(static_cast<const uint8_t *>(buffer)), m_buffer(nullptr),
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m_buffer_length(bufferLength) {
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}
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template<typename count_t>
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SerialBufferAdapter<count_t>::SerialBufferAdapter(void* buffer, count_t bufferLength,
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bool serializeLength) :
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m_serialize_length(serializeLength), m_buffer_length(bufferLength) {
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uint8_t * member_buffer = static_cast<uint8_t *>(buffer);
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m_buffer = member_buffer;
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m_const_buffer = member_buffer;
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}
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template<typename count_t>
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SerialBufferAdapter<count_t>::~SerialBufferAdapter() {
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}
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template<typename count_t>
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ReturnValue_t SerialBufferAdapter<count_t>::serialize(uint8_t** buffer, size_t* size,
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const size_t max_size, bool bigEndian) const {
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uint32_t serializedLength = m_buffer_length;
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if (m_serialize_length) {
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serializedLength += AutoSerializeAdapter::getSerializedSize(
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&m_buffer_length);
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}
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if (*size + serializedLength > max_size) {
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return BUFFER_TOO_SHORT;
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} else {
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if (m_serialize_length) {
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AutoSerializeAdapter::serialize(&m_buffer_length, buffer, size,
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max_size, bigEndian);
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}
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if (m_const_buffer != nullptr) {
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memcpy(*buffer, m_const_buffer, m_buffer_length);
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} else if (m_buffer != nullptr) {
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memcpy(*buffer, m_buffer, m_buffer_length);
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} else {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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*size += m_buffer_length;
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(*buffer) += m_buffer_length;
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return HasReturnvaluesIF::RETURN_OK;
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}
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}
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template<typename count_t>
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uint32_t SerialBufferAdapter<count_t>::getSerializedSize() const {
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if (m_serialize_length) {
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return m_buffer_length + AutoSerializeAdapter::getSerializedSize(&m_buffer_length);
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} else {
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return m_buffer_length;
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}
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}
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template<typename count_t>
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ReturnValue_t SerialBufferAdapter<count_t>::deSerialize(const uint8_t** buffer,
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int32_t* size, bool bigEndian) {
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//TODO Ignores Endian flag!
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if (buffer != NULL) {
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if(m_serialize_length){
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// Suggestion (would require removing rest of the block inside this if clause !):
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//ReturnValue_t result = AutoSerializeAdapter::deSerialize(&bufferLength,buffer,size,bigEndian);
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//if (result != HasReturnvaluesIF::RETURN_OK) {
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// return result;
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//}
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count_t serializedSize = AutoSerializeAdapter::getSerializedSize(
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&m_buffer_length);
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if((*size - m_buffer_length - serializedSize) >= 0){
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*buffer += serializedSize;
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*size -= serializedSize;
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}else{
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return STREAM_TOO_SHORT;
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}
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}
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//No Else If, go on with buffer
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if (*size - m_buffer_length >= 0) {
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*size -= m_buffer_length;
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memcpy(m_buffer, *buffer, m_buffer_length);
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(*buffer) += m_buffer_length;
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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return STREAM_TOO_SHORT;
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}
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} else {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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}
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template<typename count_t>
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uint8_t * SerialBufferAdapter<count_t>::getBuffer() {
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if(m_buffer == nullptr) {
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error << "Wrong access function for stored type ! Use getConstBuffer()" << std::endl;
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return nullptr;
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}
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return m_buffer;
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}
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template<typename count_t>
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const uint8_t * SerialBufferAdapter<count_t>::getConstBuffer() {
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if(m_const_buffer == nullptr) {
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error << "Wrong access function for stored type ! Use getBuffer()" << std::endl;
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return nullptr;
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}
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return m_const_buffer;
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}
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template<typename count_t>
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void SerialBufferAdapter<count_t>::setBuffer(void * buffer, count_t buffer_length) {
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m_buffer = static_cast<uint8_t *>(buffer);
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m_buffer_length = buffer_length;
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}
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//forward Template declaration for linker
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template class SerialBufferAdapter<uint8_t>;
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template class SerialBufferAdapter<uint16_t>;
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template class SerialBufferAdapter<uint32_t>;
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