n_network_msg.h

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#ifndef N_NETWORK_MESSAGES
#define N_NETWORK_MESSAGES
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#include <sys/param.h>
 
#include "n_str.h"
#include "n_list.h"
#include "n_3d.h"
 
#define NETMSG_IDENT_REQUEST 0
#define NETMSG_IDENT_REPLY_OK 1
#define NETMSG_IDENT_REPLY_NOK 2
#define NETMSG_STRING 3
#define NETMSG_POSITION 4
#define NETMSG_PING_REQUEST 5
#define NETMSG_PING_REPLY 6
#define NETMSG_GET_BOX 7
#define NETMSG_BOX 8
#define NETMSG_QUIT 9
 
typedef struct NETW_MSG
{
    LIST *tabint;
    LIST *tabstr;
    LIST *tabflt ;
} NETW_MSG ;
 
/* swap bytes */
double double_swap( double value );
/* host to network double */
double htond( double value );
/* network to host double */
double ntohd( double value );
 
/* Create a NETW_MSG *object */
int create_msg( NETW_MSG **msg );
/* Delete a NETW_MSG *object */
int delete_msg( NETW_MSG **msg );
/* Empty a NETW_MSG *object */
int empty_msg( NETW_MSG **msg );
/* Add an float to the the message */
int add_nb_to_msg( NETW_MSG *msg, double value );
/* Add an int to the the message */
int add_int_to_msg( NETW_MSG *msg, int value );
/* Add a string to the the message */
int add_nstrptr_to_msg( NETW_MSG *msg, N_STR *str );
/* Add a string to the the message */
int add_nstrdup_to_msg( NETW_MSG *msg, N_STR *str );
/* Add a char *string to the the message */
int add_strdup_to_msg( NETW_MSG *msg, const char *str );
/* Get an int from the message */
int get_int_from_msg( NETW_MSG *msg, int *value );
/* Get a float value from the message */
int get_nb_from_msg( NETW_MSG *msg, double *value );
/* Get a N_STR *string from the message */
int get_nstr_from_msg( NETW_MSG *msg, N_STR **str );
/* Get a char *string from the message */
int get_str_from_msg( NETW_MSG *msg, char **str );
/* Make a single string of the message */
N_STR *make_str_from_msg( NETW_MSG *msg );
/* Make a message from a single string */
NETW_MSG *make_msg_from_str( N_STR *str );
 
N_STR *netmsg_make_ping( int type, int id_from, int id_to, int time );
N_STR *netmsg_make_ident( int type, int id, N_STR *name, N_STR *passwd );
N_STR *netmsg_make_position_msg( int id, double X, double Y, double vx, double vy, double acc_x, double acc_y, int time_stamp );
N_STR *netmsg_make_string_msg( int id_from, int id_to, N_STR *name, N_STR *chan, N_STR *txt, int color );
N_STR *netmsg_make_quit_msg( void );
 
int netw_msg_get_type( N_STR *msg );
 
int netw_get_ident( N_STR *msg, int *type, int *ident, N_STR **name, N_STR **passwd );
int netw_get_position( N_STR *msg, int *id, double *X, double *Y, double *vx, double *vy, double *acc_x, double *acc_y, int *time_stamp );
int netw_get_string( N_STR *msg, int *id, N_STR **name, N_STR **chan, N_STR **txt, int *color );
int netw_get_ping( N_STR *msg, int *type, int *from, int *to, int *time );
int netw_get_quit( N_STR *msg );
 
#ifdef __cplusplus
}
#endif
 
#endif /*#ifndef N_NETWORK*/