Merge pull request 'getter/setter functions for serial buffer adapter' (#170) from KSat/fsfw:mueller/SerialBufferAdapter into master
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e0a2d09716
@ -1,94 +1,129 @@
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#include "SerialBufferAdapter.h"
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#include <cstring>
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template<typename T>
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SerialBufferAdapter<T>::SerialBufferAdapter(const uint8_t* buffer,
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T bufferLength, bool serializeLenght) :
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serializeLength(serializeLenght), constBuffer(buffer), buffer(NULL), bufferLength(
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bufferLength) {
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}
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template<typename T>
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SerialBufferAdapter<T>::SerialBufferAdapter(uint8_t* buffer, T bufferLength,
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bool serializeLenght) :
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serializeLength(serializeLenght), constBuffer(NULL), buffer(buffer), bufferLength(
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bufferLength) {
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}
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template<typename T>
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SerialBufferAdapter<T>::~SerialBufferAdapter() {
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}
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template<typename T>
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ReturnValue_t SerialBufferAdapter<T>::serialize(uint8_t** buffer, size_t* size,
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size_t maxSize, Endianness streamEndianness) const {
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uint32_t serializedLength = bufferLength;
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if (serializeLength) {
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serializedLength += SerializeAdapter::getSerializedSize(
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&bufferLength);
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}
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if (*size + serializedLength > maxSize) {
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return BUFFER_TOO_SHORT;
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} else {
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if (serializeLength) {
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SerializeAdapter::serialize(&bufferLength, buffer, size,
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maxSize, streamEndianness);
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}
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if (this->constBuffer != NULL) {
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memcpy(*buffer, this->constBuffer, bufferLength);
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} else if (this->buffer != NULL) {
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memcpy(*buffer, this->buffer, bufferLength);
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} else {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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*size += bufferLength;
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(*buffer) += bufferLength;
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return HasReturnvaluesIF::RETURN_OK;
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}
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}
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template<typename T>
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size_t SerialBufferAdapter<T>::getSerializedSize() const {
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if (serializeLength) {
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return bufferLength + SerializeAdapter::getSerializedSize(&bufferLength);
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} else {
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return bufferLength;
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}
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}
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template<typename T>
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ReturnValue_t SerialBufferAdapter<T>::deSerialize(const uint8_t** buffer,
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size_t* size, Endianness streamEndianness) {
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//TODO Ignores Endian flag!
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if (buffer != NULL) {
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if(serializeLength){
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T serializedSize = SerializeAdapter::getSerializedSize(
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&bufferLength);
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if((*size - bufferLength - 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 - bufferLength >= 0) {
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*size -= bufferLength;
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memcpy(this->buffer, *buffer, bufferLength);
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(*buffer) += bufferLength;
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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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//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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#include "../serialize/SerialBufferAdapter.h"
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#include "../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 uint8_t* buffer,
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count_t bufferLength, bool serializeLength) :
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serializeLength(serializeLength),
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constBuffer(buffer), buffer(nullptr),
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bufferLength(bufferLength) {}
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template<typename count_t>
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SerialBufferAdapter<count_t>::SerialBufferAdapter(uint8_t* buffer,
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count_t bufferLength, bool serializeLength) :
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serializeLength(serializeLength), constBuffer(buffer), buffer(buffer),
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bufferLength(bufferLength) {}
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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,
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size_t* size, size_t maxSize, Endianness streamEndianness) const {
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if (serializeLength) {
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ReturnValue_t result = SerializeAdapter::serialize(&bufferLength,
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buffer, size, maxSize, streamEndianness);
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if(result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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}
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if (*size + bufferLength > maxSize) {
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return BUFFER_TOO_SHORT;
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}
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if (this->constBuffer != nullptr) {
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std::memcpy(*buffer, this->constBuffer, bufferLength);
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}
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else if (this->buffer != nullptr) {
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// This will propably be never reached, constBuffer should always be
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// set if non-const buffer is set.
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std::memcpy(*buffer, this->buffer, bufferLength);
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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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*size += bufferLength;
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(*buffer) += bufferLength;
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return HasReturnvaluesIF::RETURN_OK;
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}
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template<typename count_t>
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size_t SerialBufferAdapter<count_t>::getSerializedSize() const {
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if (serializeLength) {
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return bufferLength + SerializeAdapter::getSerializedSize(&bufferLength);
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} else {
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return bufferLength;
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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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size_t* size, Endianness streamEndianness) {
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if (this->buffer == nullptr) {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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if(serializeLength){
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count_t lengthField = 0;
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ReturnValue_t result = SerializeAdapter::deSerialize(&lengthField,
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buffer, size, streamEndianness);
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if(result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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if(lengthField > bufferLength) {
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return TOO_MANY_ELEMENTS;
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}
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bufferLength = lengthField;
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}
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if (bufferLength <= *size) {
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*size -= bufferLength;
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std::memcpy(this->buffer, *buffer, bufferLength);
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(*buffer) += bufferLength;
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return HasReturnvaluesIF::RETURN_OK;
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}
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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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template<typename count_t>
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uint8_t * SerialBufferAdapter<count_t>::getBuffer() {
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if(buffer == nullptr) {
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sif::error << "Wrong access function for stored type !"
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" Use getConstBuffer()." << std::endl;
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return nullptr;
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}
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return 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(constBuffer == nullptr) {
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sif::error << "SerialBufferAdapter::getConstBuffer:"
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" Buffers are unitialized!" << std::endl;
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return nullptr;
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}
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return constBuffer;
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}
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template<typename count_t>
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void SerialBufferAdapter<count_t>::setBuffer(uint8_t* buffer,
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count_t bufferLength) {
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this->buffer = buffer;
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this->constBuffer = buffer;
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this->bufferLength = bufferLength;
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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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template class SerialBufferAdapter<uint64_t>;
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@ -1,35 +1,78 @@
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#ifndef SERIALBUFFERADAPTER_H_
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#define SERIALBUFFERADAPTER_H_
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#include "SerializeIF.h"
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#include "SerializeAdapter.h"
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/**
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* \ingroup serialize
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*/
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template<typename T>
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class SerialBufferAdapter: public SerializeIF {
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public:
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SerialBufferAdapter(const uint8_t * buffer, T bufferLength, bool serializeLenght = false);
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SerialBufferAdapter(uint8_t* buffer, T bufferLength,
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bool serializeLenght = false);
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virtual ~SerialBufferAdapter();
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virtual ReturnValue_t serialize(uint8_t** buffer, size_t* size,
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size_t maxSize, Endianness streamEndianness) const override;
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virtual size_t getSerializedSize() const override;
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virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
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Endianness streamEndianness) override;
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private:
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bool serializeLength;
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const uint8_t *constBuffer;
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uint8_t *buffer;
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T bufferLength;
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};
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#endif /* SERIALBUFFERADAPTER_H_ */
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#ifndef SERIALBUFFERADAPTER_H_
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#define SERIALBUFFERADAPTER_H_
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#include "../serialize/SerializeIF.h"
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#include "../serialize/SerializeAdapter.h"
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/**
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* This adapter provides an interface for SerializeIF to serialize or deserialize
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* buffers with no length header but a known size.
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*
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* Additionally, the buffer length can be serialized too and will be put in
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* front of the serialized buffer.
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*
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* Can be used with SerialLinkedListAdapter by declaring a SerializeElement with
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* SerialElement<SerialBufferAdapter<bufferLengthType(will be uint8_t mostly)>>.
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* Right now, the SerialBufferAdapter must always
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* be initialized with the buffer and size !
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*
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* \ingroup serialize
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*/
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template<typename count_t>
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class SerialBufferAdapter: public SerializeIF {
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public:
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/**
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* Constructor for constant uint8_t buffer. Length field can be serialized optionally.
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* Type of length can be supplied as template type.
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* @param buffer
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* @param bufferLength
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* @param serializeLength
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*/
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SerialBufferAdapter(const uint8_t* buffer, count_t bufferLength,
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bool serializeLength = false);
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/**
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* Constructor for non-constant uint8_t buffer.
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* Length field can be serialized optionally.
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* Type of length can be supplied as template type.
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* @param buffer
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* @param bufferLength
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* @param serializeLength Length field will be serialized with size count_t
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*/
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SerialBufferAdapter(uint8_t* buffer, count_t bufferLength,
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bool serializeLength = false);
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virtual ~SerialBufferAdapter();
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virtual ReturnValue_t serialize(uint8_t** buffer, size_t* size,
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size_t maxSize, Endianness streamEndianness) const override;
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virtual size_t getSerializedSize() const override;
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/**
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* @brief This function deserializes a buffer into the member buffer.
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* @details
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* If a length field is present, it is ignored, as the size should have
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* been set in the constructor. If the size is not known beforehand,
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* consider using SerialFixedArrayListAdapter instead.
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* @param buffer [out] Resulting buffer
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* @param size remaining size to deserialize, should be larger than buffer
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* + size field size
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* @param bigEndian
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* @return
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*/
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virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
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Endianness streamEndianness) override;
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uint8_t * getBuffer();
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const uint8_t * getConstBuffer();
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void setBuffer(uint8_t* buffer, count_t bufferLength);
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private:
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bool serializeLength = false;
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const uint8_t *constBuffer = nullptr;
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uint8_t *buffer = nullptr;
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count_t bufferLength = 0;
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};
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#endif /* SERIALBUFFERADAPTER_H_ */
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