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#ifndef INT32_HH

#define INT32_HH

/* Helper class to represent a 32-bit integer that

will be transmitted in network byte order */

#include <endian.h>

#include <string>

#include "exception.hh"

class Integer32 {

private:

uint32_t contents_ = 0;

public:

Integer32( void ) {}

Integer32( const uint32_t contents ) : contents_( contents ) {}

/* Construct integer from network-byte-order string */

Integer32( const std::string & contents )

{

if ( contents.size() != sizeof( uint32_t ) ) {

throw Exception( "int32 constructor", "size mismatch" );

}

contents_ = be32toh( *(uint32_t *)contents.data() );

}

/* Produce network-byte-order representation of integer */

operator std::string () const

{

const uint32_t network_order = htobe32( contents_ );

return std::string( (char *)&network_order, sizeof( network_order ) );

}

/* access underlying contents */

operator const uint32_t & () const { return contents_; }

};

#endif