HashBufferCommon.cpp

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#include <Utils/Hash/HashBuffer.hpp>
#include <cstring>

#include <algorithm>

#include "Fw/Types/Serializable.hpp"

namespace Utils {

HashBuffer::HashBuffer() : Fw::LinearBufferBase(m_bufferData, sizeof(m_bufferData)) {}

HashBuffer::HashBuffer(const U8* args, FwSizeType size) : Fw::LinearBufferBase(m_bufferData, sizeof(m_bufferData)) {
    Fw::SerializeStatus stat = Fw::LinearBufferBase::setBuff(args, size);
    FW_ASSERT(Fw::FW_SERIALIZE_OK == stat, static_cast<FwAssertArgType>(stat));
}

HashBuffer::~HashBuffer() = default;

HashBuffer::HashBuffer(const HashBuffer& other) : Fw::LinearBufferBase(m_bufferData, sizeof(m_bufferData)) {
    Fw::SerializeStatus stat = Fw::LinearBufferBase::setBuff(other.m_bufferData, other.getSize());
    FW_ASSERT(Fw::FW_SERIALIZE_OK == stat, static_cast<FwAssertArgType>(stat));
}

HashBuffer& HashBuffer::operator=(const HashBuffer& other) {
    if (this == &other) {
        return *this;
    }

    Fw::SerializeStatus stat = Fw::LinearBufferBase::setBuff(other.m_bufferData, other.getSize());
    FW_ASSERT(Fw::FW_SERIALIZE_OK == stat, static_cast<FwAssertArgType>(stat));
    return *this;
}

bool HashBuffer::operator==(const HashBuffer& other) const {
    if (this->getSize() != other.getSize()) {
        return false;
    }
    return memcmp(this->getBuffAddr(), other.getBuffAddr(), static_cast<size_t>(this->getSize())) == 0;
}

bool HashBuffer::operator!=(const HashBuffer& other) const {
    return !(*this == other);
}

FwSizeType HashBuffer::getBuffCapacity() const {
    return this->getCapacity();
}

U32 HashBuffer::asBigEndianU32() const {
    U32 result = 0;
    const FwSizeType bufferSize = sizeof this->m_bufferData;
    const FwSizeType numBytes = std::min(bufferSize, static_cast<FwSizeType>(sizeof(U32)));
    for (FwSizeType i = 0; i < numBytes; i++) {
        result <<= 8;
        FW_ASSERT(i < bufferSize, static_cast<FwAssertArgType>(i), static_cast<FwAssertArgType>(bufferSize));
        result += this->m_bufferData[i];
    }
    return result;
}
}  // namespace Utils