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*/