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/**
* @file prime_pool.h
*
* @brief Interface of prime_pool_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef PRIME_POOL_H_
#define PRIME_POOL_H_
#include <gmp.h>
#include <types.h>
#include <network/packet.h>
typedef struct prime_pool_t prime_pool_t;
/**
* @brief Prime generation
*
* Starts a low-priority thread which will
* generate generate primes in the background.
* This increases responsibility, since prime generation
* is the most time-comsuming task.
*
* @ingroup threads
*/
struct prime_pool_t {
/**
* @brief Get the number of available primes for the given prime size.
*
* @param prime_pool_t calling object
* @param size of the prime
* @returns number of primes
*/
int (*get_count) (prime_pool_t *prime_pool, size_t prime_size);
/**
* @brief Get a prime for the given size.
*
* If no primes are available, the threads generates one of its own.
* Prime is allocated and must be freed by caller.
*
* @param prime_pool_t calling object
* @return chunk containing the prime
*/
void (*get_prime) (prime_pool_t *prime_pool, size_t prime_size, mpz_t *prime);
/**
* @brief destroys a prime_pool object.
*
* Stopps the prime thread and destroys the pool.
*
* @param prime_pool_t calling object
*/
void (*destroy) (prime_pool_t *prime_pool);
};
/**
* @brief Creates a prime pool with a thread in it.
*
* @return prime_pool_t the prime_pool
*
* @ingroup threads
*/
prime_pool_t *prime_pool_create(int generation_limit);
#endif /*PRIME_POOL_H_*/
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