cache.c File Reference

#include "cache.h"
#include "jhash.h"
#include "hash.h"
#include "log.h"
#include "conntrackd.h"
#include <libnetfilter_conntrack/libnetfilter_conntrack.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

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Functions
struct cache *	cache_create (const char *name, enum cache_type type, unsigned int features, struct cache_extra *extra, struct cache_ops *ops)
void	cache_destroy (struct cache *c)
struct cache_object *	cache_object_new (struct cache *c, void *ptr)
void	cache_object_free (struct cache_object *obj)
int	cache_object_put (struct cache_object *obj)
void	cache_object_get (struct cache_object *obj)
void	cache_object_set_status (struct cache_object *obj, int status)
int	cache_add (struct cache *c, struct cache_object *obj, int id)
void	cache_update (struct cache *c, struct cache_object *obj, int id, void *ptr)
void	cache_del (struct cache *c, struct cache_object *obj)
struct cache_object *	cache_update_force (struct cache *c, void *ptr)
struct cache_object *	cache_find (struct cache *c, void *ptr, int *id)
void *	cache_get_extra (struct cache_object *obj)
void	cache_stats (const struct cache *c, int fd)
void	cache_stats_extended (const struct cache *c, int fd)
void	cache_iterate (struct cache *c, void *data, int(*iterate)(void *data1, void *data2))
void	cache_iterate_limit (struct cache *c, void *data, uint32_t from, uint32_t steps, int(*iterate)(void *data1, void *data2))
void	cache_dump (struct cache *c, int fd, int type)
int	cache_commit (struct cache *c, struct nfct_handle *h, int clientfd)
void	cache_flush (struct cache *c)

Variables
struct cache_feature *	cache_feature [CACHE_MAX_FEATURE]

Function Documentation

int cache_add	(	struct cache *	c,
		struct cache_object *	obj,
		int	id
	)

References cache::add_fail, cache::add_fail_enospc, cache::add_ok, and cache::stats.

Referenced by cache_update_force().

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int cache_commit	(	struct cache *	c,
		struct nfct_handle *	h,
		int	clientfd
	)

References cache_ops::commit, and cache::ops.

struct cache* cache_create	(	const char *	name,
		enum cache_type	type,
		unsigned int	features,
		struct cache_extra *	extra,
		struct cache_ops *	ops
	)

References cache_ops::alloc, CACHE_MAX_FEATURE, CACHE_T_MAX, CACHE_T_NONE, cache_ops::cmp, CONFIG, cache_ops::copy, cache::extra, cache::extra_offset, cache::feature_offset, cache::feature_type, cache::features, cache_ops::free, cache::h, cache_ops::hash, hashtable_create(), cache::name, NULL, cache::num_features, cache::object_size, cache::ops, cache_feature::size, cache_extra::size, size, cache::type, and type.

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void cache_del	(	struct cache *	c,
		struct cache_object *	obj
	)

References cache::active, C_OBJ_DEAD, cache::del_ok, cache::stats, and cache_object::status.

Referenced by cache_object_put(), and cache_update_force().

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void cache_destroy

(

struct cache *

c

)

References cache_flush(), cache::feature_offset, cache::features, cache::h, and hashtable_destroy().

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void cache_dump	(	struct cache *	c,
		int	fd,
		int	type
	)

References cache_ops::dump_step, __dump_container::fd, cache::h, hashtable_iterate(), and cache::ops.

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struct cache_object* cache_find	(	struct cache *	c,
		void *	ptr,
		int *	id
	)

References cache::h, hashtable_find(), and hashtable_hash().

Referenced by cache_update_force().

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void cache_flush

(

struct cache *

c

)

References cache::flush, cache::h, hashtable_iterate(), and cache::stats.

Referenced by cache_destroy().

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void* cache_get_extra

(

struct cache_object *

obj

)

References cache_object::cache, and cache::extra_offset.

void cache_iterate	(	struct cache *	c,
		void *	data,
		int(*)(void *data1, void *data2)	iterate
	)

References cache::h, and hashtable_iterate().

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void cache_iterate_limit	(	struct cache *	c,
		void *	data,
		uint32_t	from,
		uint32_t	steps,
		int(*)(void *data1, void *data2)	iterate
	)

References cache::h, and hashtable_iterate_limit().

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void cache_object_free

(

struct cache_object *

obj

)

References cache_object::cache, cache_ops::free, cache::objects, cache::ops, cache_object::ptr, and cache::stats.

Referenced by cache_object_put(), and cache_update_force().

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void cache_object_get

(

struct cache_object *

obj

)

References cache_object::refcnt.

struct cache_object* cache_object_new	(	struct cache *	c,
		void *	ptr
	)

References cache::add_fail_enomem, cache_ops::alloc, C_OBJ_NONE, cache_object::cache, cache_ops::copy, NFCT_CP_OVERRIDE, NULL, cache::object_size, cache::objects, cache::ops, cache_object::ptr, cache::stats, and cache_object::status.

Referenced by cache_update_force().

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int cache_object_put

(

struct cache_object *

obj

)

References cache_object::cache, cache_del(), cache_object_free(), and cache_object::refcnt.

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void cache_object_set_status	(	struct cache_object *	obj,
		int	status
	)

References cache::active, C_OBJ_DEAD, cache_object::cache, cache::del_ok, cache::stats, and cache_object::status.

void cache_stats	(	const struct cache *	c,
		int	fd
	)

References cache::active, cache::add_fail, cache::add_ok, buf, cache::del_fail, cache::del_ok, cache::name, size, cache::stats, cache::upd_fail, and cache::upd_ok.

void cache_stats_extended	(	const struct cache *	c,
		int	fd
	)

References cache::active, cache::add_fail, cache::add_fail_enomem, cache::add_fail_enospc, cache::add_ok, buf, cache::del_fail, cache::del_fail_enoent, cache::del_ok, cache::h, hashtable_counter(), cache::name, cache::objects, size, cache::stats, cache::upd_fail, cache::upd_fail_enoent, and cache::upd_ok.

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void cache_update	(	struct cache *	c,
		struct cache_object *	obj,
		int	id,
		void *	ptr
	)

References C_OBJ_ALIVE, cache_ops::copy, cache_object::data, cache::extra, cache::extra_offset, cache::features, cache_object::lastupdate, NFCT_CP_META, cache::num_features, cache::ops, cache_object::ptr, cache_feature::size, cache::stats, cache_object::status, time_cached(), cache::upd_ok, cache_feature::update, and cache_extra::update.

Referenced by cache_update_force().

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struct cache_object* cache_update_force	(	struct cache *	c,
		void *	ptr
	)

References C_OBJ_DEAD, cache_add(), cache_del(), cache_find(), cache_object_free(), cache_object_new(), cache_update(), id, NULL, and cache_object::status.

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Variable Documentation

struct cache_feature* cache_feature[CACHE_MAX_FEATURE]

Initial value:

= {
    [TIMER_FEATURE]     = &timer_feature,
}