bloomfilter.64.c File Reference

bloom filter implementation More...

#include <bloomfilter.h>
#include <math.h>
#include <xxhash.h>
#include <memory.h>
#include <random.h>

Classes
struct	bloomfilter_t
	bloom filter struct More...

Typedefs
typedef struct bloomfilter_t	bloomfilter_t
	! bloomfilter_t type

Functions
	MODULE ("turnstone.lib")
boolean_t	bloomfilter_check_or_add (bloomfilter_t *bf, data_t *data, boolean_t add)
	checks or adds given value to the given bloom filter
bloomfilter_t *	bloomfilter_new (uint64_t entry_count, float64_t error)
	creates new bloomfilter
boolean_t	bloomfilter_destroy (bloomfilter_t *bf)
	destroy's bloom filter
boolean_t	bloomfilter_check (bloomfilter_t *bf, data_t *data)
	check given data in bloom filter
boolean_t	bloomfilter_add (bloomfilter_t *bf, data_t *data)
	add given data to bloom filter
data_t *	bloomfilter_serialize (bloomfilter_t *bf)
	serialize given bloom filter
bloomfilter_t *	bloomfilter_deserialize (data_t *data)
	deserialize given bloom filter

Detailed Description

bloom filter implementation

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Function Documentation

bloomfilter_add()

boolean_t bloomfilter_add	(	bloomfilter_t *	bf,
		data_t *	data )

add given data to bloom filter

Parameters

[in]	bf	bloom filter
[in]	data	given data

Returns

true if added

bloomfilter_check()

boolean_t bloomfilter_check	(	bloomfilter_t *	bf,
		data_t *	data )

check given data in bloom filter

Parameters

[in]	bf	bloom filter
[in]	data	given data

Returns

true if found

bloomfilter_check_or_add()

boolean_t bloomfilter_check_or_add	(	bloomfilter_t *	bf,
		data_t *	data,
		boolean_t	add )

checks or adds given value to the given bloom filter

Parameters

[in]	bf	bloom filter
[in]	data	data to add
[in]	add	if true then add or check only

Returns

check result

bloomfilter_deserialize()

bloomfilter_t * bloomfilter_deserialize

(

data_t *

data

)

deserialize given bloom filter

Parameters

[in]

data

data that holds serialized bloom filter

Returns

bloom filter

bloomfilter_destroy()

boolean_t bloomfilter_destroy

(

bloomfilter_t *

bf

)

destroy's bloom filter

Parameters

[in]

bf

bloom filter

Returns

true if succeed.

bloomfilter_new()

bloomfilter_t * bloomfilter_new	(	uint64_t	entry_count,
		float64_t	error )

creates new bloomfilter

Parameters

[in]	entry_count	how many entries
[in]	error	error rate for false positive

Returns

bloom filter

bloomfilter_serialize()

data_t * bloomfilter_serialize

(

bloomfilter_t *

bf

)

serialize given bloom filter

Parameters

[in]

bf

bloom filter to serialize

Returns

serialized data