Data Structures
struct	N_USER
	USER management cell. More...

struct	N_USERLIST
	USER list. More...

Macros
#define	USERLIST_ALL 0
	flag to target all users in the list

#define	USERLIST_ALL_EXCEPT 1
	flag to target all users in the list except one

#define	USERLIST_ONE 2
	flag to target one user in the list

Functions
int	userlist_add_msg_to (N_USERLIST ulist, N_STR msg, int id)
	add a message to a specific user by id

int	userlist_add_msg_to_all (N_USERLIST ulist, N_STR msg)
	add a message to all users in the list

int	userlist_add_msg_to_all_except (N_USERLIST ulist, N_STR msg, int id)
	add a message to all users except the one with the given id

int	userlist_add_msg_to_ex (N_USERLIST ulist, N_STR msg, int mode, int id)
	add a message to users selected by mode and id

int	userlist_add_user (N_USERLIST ulist, NETWORK netw)
	add a user associated with a NETWORK connection to the list

int	userlist_del_user (N_USERLIST *ulist, int id)
	remove a user from the list by id

int	userlist_destroy (N_USERLIST **ulist)
	destroy a N_USERLIST and free all resources

N_USERLIST *	userlist_new (int max)
	allocate a new N_USERLIST with the given maximum number of users

int	userlist_send_waiting_msgs (N_USERLIST *ulist)
	send all waiting messages for all users in the list

int	userlist_set_position_behavior (N_USERLIST *ulist, int id, int nb_rec_pos, int only_last_pos)
	set position recording behavior for a user

int	userlist_user_add_waiting_msg (N_USERLIST ulist, int id, N_STR netmsg)
	add a waiting message to a specific user's queue

int	userlist_user_send_waiting_msgs (N_USERLIST *ulist, int id)
	send all waiting messages for a specific user

Detailed Description

Data Structure Documentation

◆ N_USER

struct N_USER

USER management cell.

Definition at line 53 of file n_user.h.

Collaboration diagram for N_USER:

Data Fields
int	id	Unique world ident.
VECTOR3D *	last_positions	Last nb_rec_pos position messages, for a better dead reckoning / lag simulation.
char	name[1024]	User Name.
int	nb_rec_pos	Number of saved positions , default: 10.
NETWORK *	netw	Associated NETWORK.
LIST *	netw_waitlist	N_STR *messages waiting to be sent.
int	only_last_pos	1 => keep only_last_position in waitlist , 0 => send all the positions, default: 1
VECTOR3D	position	actual position
int	state	State of the current user.

◆ N_USERLIST

struct N_USERLIST

USER list.

Definition at line 80 of file n_user.h.

Collaboration diagram for N_USERLIST:

Data Fields
int	highter	Position of the highter user inside the list.
N_USER *	list	Pointer to the allocated list of user.
int	max	Maximum of user inside the list.
pthread_rwlock_t	user_rwbolt	Mutex for thread safe user management.

Macro Definition Documentation

◆ USERLIST_ALL

#define USERLIST_ALL 0

flag to target all users in the list

Definition at line 46 of file n_user.h.

◆ USERLIST_ALL_EXCEPT

#define USERLIST_ALL_EXCEPT 1

flag to target all users in the list except one

Definition at line 48 of file n_user.h.

◆ USERLIST_ONE

#define USERLIST_ONE 2

flag to target one user in the list

Definition at line 50 of file n_user.h.

Function Documentation

◆ userlist_add_msg_to()

int userlist_add_msg_to	(	N_USERLIST *	ulist,
		N_STR *	msg,
		int	id
	)

add a message to a specific user by id

Parameters

ulist	targeted N_USERLIST *ulist
msg	network message to add
id	targeted user id

Returns: TRUE or FALSE

Definition at line 235 of file n_user.c.

References userlist_add_msg_to_ex(), and USERLIST_ONE.

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◆ userlist_add_msg_to_all()

int userlist_add_msg_to_all	(	N_USERLIST *	ulist,
		N_STR *	msg
	)

add a message to all users in the list

Parameters

ulist	targeted N_USERLIST *ulist
msg	network message to add

Returns: TRUE or FALSE

Definition at line 245 of file n_user.c.

References userlist_add_msg_to_ex(), and USERLIST_ALL.

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◆ userlist_add_msg_to_all_except()

int userlist_add_msg_to_all_except	(	N_USERLIST *	ulist,
		N_STR *	msg,
		int	id
	)

add a message to all users except the one with the given id

Parameters

ulist	targeted N_USERLIST *ulist
id	user id to ignore
msg	network message to add

Returns: TRUE or FALSE

Definition at line 256 of file n_user.c.

References userlist_add_msg_to_ex(), and USERLIST_ALL_EXCEPT.

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◆ userlist_add_msg_to_ex()

int userlist_add_msg_to_ex	(	N_USERLIST *	ulist,
		N_STR *	msg,
		int	mode,
		int	id
	)

add a message to users selected by mode and id

Parameters

ulist	targeted N_USERLIST *ulist
msg	network message to add
mode	one of USERLIST_ALL , USERLIST_ONE , USERLIST_ALL_EXCEPT
id	targeted user id to use (USERLIST_ONE) or to ignore (USERLIST_ALL_EXCEPT)

Returns: TRUE or FALSE

Definition at line 192 of file n_user.c.

References __n_assert, N_USERLIST::highter, N_USERLIST::list, mode, netw, netw_add_msg(), nstrdup(), read_lock, state, unlock, N_USERLIST::user_rwbolt, USERLIST_ALL, USERLIST_ALL_EXCEPT, and USERLIST_ONE.

Referenced by userlist_add_msg_to(), userlist_add_msg_to_all(), and userlist_add_msg_to_all_except().

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◆ userlist_add_user()

int userlist_add_user	(	N_USERLIST *	ulist,
		NETWORK *	netw
	)

add a user associated with a NETWORK connection to the list

Parameters

ulist	targeted N_USERLIST *ulist
netw	associated NETWORK *network associated to the new use to create

Returns: the new user id or -1 on error

Definition at line 117 of file n_user.c.

References __n_assert, N_USERLIST::highter, N_USERLIST::list, netw, netw, state, unlock, N_USERLIST::user_rwbolt, and write_lock.

◆ userlist_del_user()

int userlist_del_user	(	N_USERLIST *	ulist,
		int	id
	)

remove a user from the list by id

Parameters

ulist	targeted N_USERLIST *ulist
id	id of the user to delete

Returns: TRUE or FALSE

Definition at line 144 of file n_user.c.

References __n_assert, N_USERLIST::highter, id, last_positions, N_USERLIST::list, list_empty(), LOG_ERR, N_USERLIST::max, n_log, name, nb_rec_pos, netw, netw_waitlist, only_last_pos, position, Realloc, state, unlock, N_USERLIST::user_rwbolt, and write_lock.

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◆ userlist_destroy()

int userlist_destroy ( N_USERLIST ** ulist )

destroy a N_USERLIST and free all resources

Parameters

ulist targeted N_USERLIST *list to destroy

Returns: TRUE or FALSE

Definition at line 265 of file n_user.c.

References __n_assert, Free, list_destroy(), unlock, and write_lock.

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◆ userlist_new()

N_USERLIST * userlist_new ( int max )

allocate a new N_USERLIST with the given maximum number of users

Parameters

max	the maximum number of users in the list

Returns: a new N_USERLIST *list or NULL

Definition at line 33 of file n_user.c.

References __n_assert, Free, N_USERLIST::highter, id, init_lock, last_positions, N_USERLIST::list, Malloc, N_USERLIST::max, MAX_LIST_ITEMS, name, nb_rec_pos, netw, netw_waitlist, new_generic_list(), only_last_pos, position, state, and N_USERLIST::user_rwbolt.

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◆ userlist_send_waiting_msgs()

int userlist_send_waiting_msgs ( N_USERLIST * ulist )

send all waiting messages for all users in the list

Parameters

ulist targeted N_USERLIST *list

Returns: TRUE or FALSE

Definition at line 335 of file n_user.c.

References __n_assert, N_USERLIST::highter, N_USERLIST::list, list_empty(), list_foreach, netw, netw_add_msg(), netw_waitlist, state, unlock, N_USERLIST::user_rwbolt, and write_lock.

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◆ userlist_set_position_behavior()

int userlist_set_position_behavior	(	N_USERLIST *	ulist,
		int	id,
		int	nb_rec_pos,
		int	only_last_pos
	)

set position recording behavior for a user

Parameters

ulist	targeted N_USERLIST *ulist
id	id of the user
nb_rec_pos	number of positions updates kept in list
only_last_pos	flag if we're only keeping the last position ( if set nb_rec_pos is ignored )

Returns: TRUE or FALSE

Definition at line 70 of file n_user.c.

References __n_assert, last_positions, N_USERLIST::list, LOG_ERR, N_USERLIST::max, n_log, nb_rec_pos, only_last_pos, read_lock, Realloc, state, unlock, N_USERLIST::user_rwbolt, and write_lock.

◆ userlist_user_add_waiting_msg()

int userlist_user_add_waiting_msg	(	N_USERLIST *	ulist,
		int	id,
		N_STR *	netmsg
	)

add a waiting message to a specific user's queue

Parameters

ulist	targeted N_USERLIST *list
id	targeted user id
netmsg	network message to add

Returns: TRUE or FALSE

Definition at line 289 of file n_user.c.

References __n_assert, N_USERLIST::list, list_push(), netw_waitlist, state, unlock, N_USERLIST::user_rwbolt, and write_lock.

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◆ userlist_user_send_waiting_msgs()

int userlist_user_send_waiting_msgs	(	N_USERLIST *	ulist,
		int	id
	)

send all waiting messages for a specific user

Parameters

ulist	targeted N_USERLIST *list
id	targeted user id

Returns: TRUE or FALSE

Definition at line 312 of file n_user.c.

References __n_assert, N_USERLIST::list, list_empty(), list_foreach, netw, netw_add_msg(), netw_waitlist, state, unlock, N_USERLIST::user_rwbolt, and write_lock.

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Data Structures

Macros

Functions

Detailed Description

Data Structure Documentation

◆ N_USER

◆ N_USERLIST

Macro Definition Documentation

◆ USERLIST_ALL

◆ USERLIST_ALL_EXCEPT

◆ USERLIST_ONE

Function Documentation

◆ userlist_add_msg_to()

◆ userlist_add_msg_to_all()

◆ userlist_add_msg_to_all_except()

◆ userlist_add_msg_to_ex()

◆ userlist_add_user()

◆ userlist_del_user()

◆ userlist_destroy()

◆ userlist_new()

◆ userlist_send_waiting_msgs()

◆ userlist_set_position_behavior()

◆ userlist_user_add_waiting_msg()

◆ userlist_user_send_waiting_msgs()