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#ifndef __NET_PACKET_H__

#define __NET_PACKET_H__

#define PACKET_PREPEND( packet, type )      ( type * ) packet_prepend(( packet ), sizeof( type ))

#define PACKET_APPEND( packet, type )       ( type * ) packet_append(( packet ), sizeof( type ))

#define PACKET_TRIM( packet, prefix, sufix )    packet_trim(( packet ), sizeof( prefix ), sizeof( sufix ))

typedef packet_t *  packet_ref;

packet_t    packet_create( size_t max_prefix, size_t max_content, size_t max_sufix );

void *      packet_prepend( packet_t packet, size_t length );

void *      packet_append( packet_t packet, size_t length );

packet_t    packet_copy( packet_t packet );

int     packet_copy_data( packet_t packet, void * data, size_t length );

// TODO protocol identification?

int     packet_send( packet_t packet, int phone );

int     packet_receive( packet_ref packet );

int     packet_trim( packet_t packet, size_t prefix, size_t sufix );

int     packet_destroy( packet_t packet );

size_t      packet_get_data_length( packet_t packet );

void *      packet_get_data( packet_t packet );

#endif