Cache system
[Nuauth]

Collaboration diagram for Cache system:


Files
file	acls.c
	Acls manipulations and cache.
file	cache.c
	Generic cache system.
file	users.c
	User cache system.
Data Structures
struct	acl_key
Defines
#define	USE_JHASH2
Functions
guint32	hash_acl (gconstpointer key)
gint	strcmp_null (gchar a, gchar b)
gboolean	compare_acls (gconstpointer a, gconstpointer b)
void	free_acl_key (gpointer datas)
void	free_one_acl_group (struct acl_group *acl, gpointer userdata)
void	free_acl_groups (GSList *acl_groups, gpointer userdata)
void	free_acl_cache (cache_entry_t *entry)
gpointer	acl_create_and_alloc_key (connection_t *kdatas)
gpointer	acl_duplicate_key (gpointer datas)
void	get_acls_from_cache (connection_t *conn_elt)
int	init_acl_cache ()
void	cache_entry_content_destroy (cache_entry_content_t *item, GFunc free_datas)
int	cache_entry_content_compare (const cache_entry_content_t *content, gconstpointer data)
int	cache_entry_content_used (const cache_entry_content_t *content, gconstpointer b)
gboolean	cache_entry_is_old (gpointer key, gpointer value, gpointer user_data)
void	cache_reset_timestamp (gpointer key, gpointer value, gpointer user_data)
void	cache_insert (cache_class_t this, struct cache_message message)
void	cache_get (cache_class_t this, cache_entry_t entry, struct cache_message message, GSList *local_queue)
void	cache_message_destroy (cache_class_t this, cache_entry_t entry, struct cache_message *message)
void	cache_refresh (cache_class_t this, cache_entry_t entry, struct cache_message message, GSList *local_queue)
void	cache_manager (cache_class_t *this)
void	cache_destroy (cache_class_t *this)
void	cache_reset (cache_class_t *this)
void	free_user_struct (struct user_cached_datas *datas, gpointer userdata)
void	free_user_cache (cache_entry_t *entry)
void	get_users_from_cache (connection_t *conn_elt)
gpointer	user_duplicate_key (gpointer datas)
int	init_user_cache ()

Define Documentation

#define USE_JHASH2

Definition at line 38 of file acls.c.

Function Documentation

gpointer acl_create_and_alloc_key ( connection_t * kdatas )

Definition at line 162 of file acls.c.

References acl_duplicate_key(), acl_key::acl_tracking, connection_t::app_name, acl_key::appname, duplicate_iface_nfo(), acl_key::iface_nfo, connection_t::iface_nfo, connection_t::os_release, connection_t::os_sysname, connection_t::os_version, acl_key::release, acl_key::sysname, connection_t::tracking, and acl_key::version.

Referenced by free_connection(), and get_acls_from_cache().

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gpointer acl_duplicate_key ( gpointer datas )

Definition at line 175 of file acls.c.

References acl_key::acl_tracking, acl_key::appname, duplicate_iface_nfo(), acl_key::iface_nfo, acl_key::release, tracking_t::source, acl_key::sysname, and acl_key::version.

Referenced by acl_create_and_alloc_key(), and init_acl_cache().

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void cache_destroy ( cache_class_t * this )

Definition at line 341 of file cache.c.

References cache_class_t::hash, and cache_class_t::queue.

Referenced by nuauth_deinit().

int cache_entry_content_compare	(	const cache_entry_content_t *	content,
		gconstpointer	data
	)

compare cache datas

Definition at line 53 of file cache.c.

References cache_entry_content_t::datas.

Referenced by cache_message_destroy().

void cache_entry_content_destroy	(	cache_entry_content_t *	item,
		GFunc	free_datas
	)

Definition at line 40 of file cache.c.

References cache_entry_content_t::datas.

Referenced by free_acl_cache(), and free_user_cache().

int cache_entry_content_used	(	const cache_entry_content_t *	content,
		gconstpointer	b
	)

Definition at line 63 of file cache.c.

References cache_entry_content_t::usage.

Referenced by cache_get().

gboolean cache_entry_is_old	(	gpointer	key,
		gpointer	value,
		gpointer	user_data
	)

cleaning purpose function, find if an entry is old an unused.

Definition at line 72 of file cache.c.

References cache_entry_t::datas, FALSE, cache_entry_t::refresh_timestamp, cache_entry_t::refreshing, TRUE, and cache_entry_content_t::usage.

Referenced by cache_manager().

void cache_get	(	cache_class_t *	this,
		cache_entry_t *	entry,
		struct cache_message *	message,
		GSList **	local_queue
	)

Definition at line 126 of file cache.c.

References cache_entry_content_used(), cache_entry_content_t::datas, cache_entry_t::datas, cache_class_t::delete_elt, null_message, null_queue_datas, cache_entry_t::refresh_timestamp, cache_entry_t::refreshing, cache_message::reply_queue, TRUE, and cache_entry_content_t::usage.

Referenced by cache_manager().

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void cache_insert	(	cache_class_t *	this,
		struct cache_message *	message
	)

Definition at line 106 of file cache.c.

References cache_entry_t::create_timestamp, cache_entry_t::datas, nuauth_params::datas_persistance, cache_class_t::hash, cache_message::key, nuauthconf, null_message, cache_entry_t::refresh_timestamp, cache_entry_t::refreshing, cache_message::reply_queue, and TRUE.

Referenced by cache_manager().

void cache_manager ( cache_class_t * this )

Thread function that wait for cache query.

The algorithm is the following :

If we found something, we send it back
If not we warn the client to look by itself and give us the answer when it has found it

Definition at line 269 of file cache.c.

References cache_entry_is_old(), cache_get(), cache_insert(), cache_message_destroy(), cache_refresh(), cache_reset_timestamp(), DEBUG_AREA_MAIN, FREE_MESSAGE, GET_MESSAGE, cache_class_t::hash, INSERT_MESSAGE, cache_message::key, log_message, cache_class_t::queue, REFRESH_MESSAGE, cache_entry_t::refreshing, RESET_MESSAGE, and cache_message::type.

Referenced by init_acl_cache(), and init_user_cache().

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void cache_message_destroy	(	cache_class_t *	this,
		cache_entry_t *	entry,
		struct cache_message *	message
	)

Definition at line 190 of file cache.c.

References cache_entry_content_compare(), cache_entry_content_t::datas, cache_message::datas, cache_entry_t::datas, and cache_entry_content_t::usage.

Referenced by cache_manager().

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void cache_refresh	(	cache_class_t *	this,
		cache_entry_t *	entry,
		struct cache_message *	message,
		GSList **	local_queue
	)

Definition at line 226 of file cache.c.

References cache_entry_t::datas, cache_message::datas, cache_entry_content_t::datas, nuauth_params::datas_persistance, cache_class_t::equal_key, FALSE, cache_message::key, nuauthconf, cache_entry_t::refresh_timestamp, cache_entry_t::refreshing, and cache_entry_content_t::usage.

Referenced by cache_manager().

void cache_reset ( cache_class_t * this )

Definition at line 355 of file cache.c.

References cache_class_t::queue, RESET_MESSAGE, and cache_message::type.

Referenced by nuauth_reload().

void cache_reset_timestamp	(	gpointer	key,
		gpointer	value,
		gpointer	user_data
	)

Definition at line 98 of file cache.c.

References cache_entry_t::refresh_timestamp.

Referenced by cache_manager().

gboolean compare_acls	(	gconstpointer	a,
		gconstpointer	b
	)

Definition at line 96 of file acls.c.

References acl_key::acl_tracking, acl_key::appname, compare_iface_nfo_t(), FALSE, acl_key::iface_nfo, NU_EXIT_ERROR, acl_key::release, strcmp_null(), acl_key::sysname, tracking_equal(), TRUE, and acl_key::version.

Referenced by init_acl_cache().

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void free_acl_cache ( cache_entry_t * entry )

destroy function for acl cache datas. hash value is a gslist of entry

Definition at line 151 of file acls.c.

References cache_entry_content_destroy(), cache_entry_t::datas, and free_acl_groups().

Referenced by init_acl_cache().

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void free_acl_groups	(	GSList *	acl_groups,
		gpointer	userdata
	)

Definition at line 141 of file acls.c.

References free_one_acl_group().

Referenced by free_acl_cache(), free_connection(), and init_acl_cache().

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void free_acl_key ( gpointer datas )

Definition at line 119 of file acls.c.

References acl_key::acl_tracking, acl_key::appname, acl_key::release, acl_key::sysname, and acl_key::version.

Referenced by get_acls_from_cache(), and init_acl_cache().

void free_one_acl_group	(	struct acl_group *	acl,
		gpointer	userdata
	)

Definition at line 130 of file acls.c.

References acl_group::groups, acl_group::log_prefix, acl_group::period, and acl_group::users.

Referenced by free_acl_groups().

void free_user_cache ( cache_entry_t * entry )

Definition at line 50 of file users.c.

References cache_entry_content_destroy(), cache_entry_t::datas, DEBUG, DEBUG_AREA_MAIN, DEBUG_AREA_USER, debug_log_message, and free_user_struct().

Referenced by init_user_cache().

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void free_user_struct	(	struct user_cached_datas *	datas,
		gpointer	userdata
	)

used when destroying value from hash hash value is a gslist of entry

Parameters:

	datas	Pointer to struct user_cached_datas:
	userdata	Not used

Definition at line 44 of file users.c.

References user_cached_datas::groups.

Referenced by free_user_cache(), and init_user_cache().

void get_acls_from_cache ( connection_t * conn_elt )

ask the acl cache information about a received packet.

Definition at line 197 of file acls.c.

References nuauth_datas::acl_cache, acl_create_and_alloc_key(), connection_t::acl_groups, nuauth_datas::aclqueue, audit_struct::cache_hit_nb, audit_struct::cache_req_nb, cache_message::datas, DEBUG_AREA_MAIN, debug_log_message, free_acl_key(), GET_MESSAGE, INSERT_MESSAGE, cache_message::key, modules_acl_check(), myaudit, nuauthdatas, null_message, null_queue_datas, cache_class_t::queue, cache_message::reply_queue, and cache_message::type.

Referenced by acl_check_and_decide().

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void get_users_from_cache ( connection_t * conn_elt )

handle discussion with user cache

Definition at line 68 of file users.c.

References audit_struct::cache_hit_nb, audit_struct::cache_req_nb, connection_t::cacheduserdatas, cache_message::datas, DEBUG_AREA_USER, debug_log_message, GET_MESSAGE, user_cached_datas::groups, INSERT_MESSAGE, cache_message::key, log_message, modules_get_user_groups(), modules_get_user_id(), myaudit, nuauthdatas, null_message, null_queue_datas, cache_class_t::queue, cache_message::reply_queue, cache_message::type, user_cached_datas::uid, nuauth_datas::user_cache, connection_t::user_groups, connection_t::user_id, connection_t::username, and nuauth_datas::userqueue.

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guint32 hash_acl ( gconstpointer key )

Function used for connection hash.

Params : a "struct acl_key" Return : the associated key

Definition at line 70 of file acls.c.

References tracking_t::dest.

Referenced by init_acl_cache().

int init_acl_cache ( )

Definition at line 252 of file acls.c.

References nuauth_datas::acl_cache, acl_duplicate_key(), cache_manager(), compare_acls(), DEBUG_AREA_MAIN, cache_class_t::delete_elt, cache_class_t::duplicate_key, cache_class_t::equal_key, FALSE, free_acl_cache(), free_acl_groups(), free_acl_key(), cache_class_t::free_key, cache_class_t::hash, hash_acl(), log_message, nuauthdatas, and cache_class_t::queue.

Referenced by init_nuauthdata().

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int init_user_cache ( )

Definition at line 152 of file users.c.

References cache_manager(), DEBUG_AREA_MAIN, DEBUG_AREA_USER, cache_class_t::delete_elt, cache_class_t::duplicate_key, cache_class_t::equal_key, FALSE, cache_class_t::free_key, free_user_cache(), free_user_struct(), cache_class_t::hash, log_message, nuauthdatas, cache_class_t::queue, nuauth_datas::user_cache, and user_duplicate_key().

Referenced by init_nuauthdata().

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gint strcmp_null	(	gchar *	a,
		gchar *	b
	)

Internal string comparison function

Definition at line 81 of file acls.c.

References FALSE, and TRUE.

Referenced by compare_acls().

gpointer user_duplicate_key ( gpointer datas )

Definition at line 147 of file users.c.

Referenced by init_user_cache().

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