36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/* Copyright (c) 2018, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file address_set.h
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* \brief Types to handle sets of addresses.
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*
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* This module was first written on a semi-emergency basis to improve the
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* robustness of the anti-DoS module. As such, it's written in a pretty
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* conservative way, and should be susceptible to improvement later on.
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**/
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#ifndef TOR_ADDRESS_SET_H
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#define TOR_ADDRESS_SET_H
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#include "orconfig.h"
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#include "torint.h"
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/**
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* An address_set_t represents a set of tor_addr_t values. The implementation
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* is probabilistic: false negatives cannot occur but false positives are
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* possible.
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*/
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typedef struct address_set_t address_set_t;
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struct tor_addr_t;
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address_set_t *address_set_new(int max_addresses_guess);
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void address_set_free(address_set_t *set);
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void address_set_add(address_set_t *set, const struct tor_addr_t *addr);
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void address_set_add_ipv4h(address_set_t *set, uint32_t addr);
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int address_set_probably_contains(address_set_t *set,
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const struct tor_addr_t *addr);
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#endif
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