tor
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Types to handle sets of addresses. More...
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Typedefs | |
typedef struct address_set_t | address_set_t |
Functions | |
address_set_t * | address_set_new (int max_addresses_guess) |
void | address_set_free (address_set_t *set) |
void | address_set_add (address_set_t *set, const struct tor_addr_t *addr) |
void | address_set_add_ipv4h (address_set_t *set, uint32_t addr) |
int | address_set_probably_contains (address_set_t *set, const struct tor_addr_t *addr) |
Types to handle sets of addresses.
This module was first written on a semi-emergency basis to improve the robustness of the anti-DoS module. As such, it's written in a pretty conservative way, and should be susceptible to improvement later on.
typedef struct address_set_t address_set_t |
An address_set_t represents a set of tor_addr_t values. The implementation is probabilistic: false negatives cannot occur but false positives are possible.
void address_set_add | ( | address_set_t * | set, |
const struct tor_addr_t * | addr | ||
) |
Add addr to set.
All future queries for addr in set will return true. Removing items is not possible.
void address_set_add_ipv4h | ( | address_set_t * | set, |
uint32_t | addr | ||
) |
As address_set_add(), but take an ipv4 address in host order.
void address_set_free | ( | address_set_t * | set | ) |
Release all storage associated with set.
address_set_t* address_set_new | ( | int | max_addresses_guess | ) |
Allocate and return an address_set, suitable for holding up to max_address_guess distinct values.
int address_set_probably_contains | ( | address_set_t * | set, |
const struct tor_addr_t * | addr | ||
) |
Return true if addr is a member of set. (And probably, return false if addr is not a member of set.)