83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
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#include <vanetza/security/exception.hpp>
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#include <vanetza/security/v2/trailer_field.hpp>
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#include <boost/variant/get.hpp>
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#include <cassert>
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namespace vanetza
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{
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namespace security
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{
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namespace v2
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{
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TrailerFieldType get_type(const TrailerField& field)
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{
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struct trailerFieldVisitor : public boost::static_visitor<TrailerFieldType>
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{
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TrailerFieldType operator()(const Signature&)
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{
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return TrailerFieldType::Signature;
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}
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};
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trailerFieldVisitor visit;
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return boost::apply_visitor(visit, field);
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}
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size_t get_size(const TrailerField& field)
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{
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size_t size = sizeof(TrailerFieldType);
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struct trailerFieldVisitor : public boost::static_visitor<size_t>
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{
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size_t operator()(const Signature& sig)
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{
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return get_size(sig);
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}
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};
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trailerFieldVisitor visit;
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size += boost::apply_visitor(visit, field);
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return size;
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}
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void serialize(OutputArchive& ar, const TrailerField& field)
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{
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struct trailer_visitor : public boost::static_visitor<>
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{
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trailer_visitor(OutputArchive& ar) :
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m_archive(ar)
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{
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}
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void operator()(const Signature& sig)
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{
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serialize(m_archive, sig);
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}
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OutputArchive& m_archive;
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};
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TrailerFieldType type = get_type(field);
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serialize(ar, type);
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trailer_visitor visitor(ar);
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boost::apply_visitor(visitor, field);
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}
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size_t deserialize(InputArchive& ar, TrailerField& field)
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{
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size_t size = 0;
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TrailerFieldType type;
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deserialize(ar, type);
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size += sizeof(TrailerFieldType);
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switch (type) {
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case TrailerFieldType::Signature: {
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Signature sig;
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size += deserialize(ar, sig);
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field = sig;
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break;
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}
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default:
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throw deserialization_error("Unknown TrailerFieldType");
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}
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return size;
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}
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} // namespace v2
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} // namespace security
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} // namespace vanetza
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