ip_aux.hxx

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#pragma once
 
// C++
#include <cstring>
#include <vector>
 
// Cosmos
#include <cosmos/dso_export.h>
#include <cosmos/net/message_header.hxx>
#include <cosmos/net/SocketError.hxx>
 
namespace cosmos {
 
 
template <SocketFamily FAMILY>
class SocketErrorMessage :
                public AncillaryMessage<
                        FamilyTraits<FAMILY>::OPT_LEVEL,
                        typename FamilyTraits<FAMILY>::CtrlMsg> {
public: // types
 
        using SocketError = SocketErrorT<FAMILY>;
 
public: // functions
 
        void deserialize(const ReceiveMessageHeader::ControlMessage &msg);
 
        const SocketError* error() const {
                if (m_data.empty())
                        return nullptr;
 
                return reinterpret_cast<const SocketError*>(m_data.data());
        }
 
protected: // functions
        std::vector<uint8_t> m_data;
};
 
using IP4SocketErrorMessage = SocketErrorMessage<SocketFamily::INET>;
using IP6SocketErrorMessage = SocketErrorMessage<SocketFamily::INET6>;
 
extern template class COSMOS_API SocketErrorMessage<SocketFamily::INET>;
extern template class COSMOS_API SocketErrorMessage<SocketFamily::INET6>;
 
} // end ns