1
0
mirror of https://github.com/bgp/bgpq4.git synced 2024-05-11 05:55:05 +00:00
bgp-bgpq4/sx_prefix.h
2020-03-11 16:22:46 +00:00

76 lines
2.7 KiB
C

#ifndef _SX_PREFIX_H_
#define _SX_PREFIX_H_
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
typedef struct sx_prefix {
int family;
int masklen;
union {
struct in_addr addr;
struct in6_addr addr6;
unsigned char addrs[sizeof(struct in6_addr)];
} addr;
} sx_prefix_t;
typedef struct sx_radix_node {
struct sx_radix_node* parent, *l, *r, *son;
void* payload;
unsigned int isGlue:1;
unsigned int isAggregated:1;
unsigned int isAggregate:1;
unsigned int aggregateLow;
unsigned int aggregateHi;
struct sx_prefix *prefix;
} sx_radix_node_t;
typedef struct sx_radix_tree {
int family;
struct sx_radix_node* head;
} sx_radix_tree_t;
/* most common operations with the tree is to: lookup/insert/unlink */
struct sx_radix_node* sx_radix_tree_lookup(struct sx_radix_tree* tree,
struct sx_prefix* prefix);
struct sx_radix_node* sx_radix_tree_insert(struct sx_radix_tree* tree,
struct sx_prefix* prefix);
void sx_radix_tree_unlink(struct sx_radix_tree* t, struct sx_radix_node* n);
struct sx_radix_node* sx_radix_tree_lookup_exact(struct sx_radix_tree* tree,
struct sx_prefix* prefix);
struct sx_prefix* sx_prefix_alloc(struct sx_prefix* p);
void sx_prefix_destroy(struct sx_prefix* p);
void sx_radix_node_destroy(struct sx_radix_node* p);
void sx_prefix_adjust_masklen(struct sx_prefix* p);
struct sx_prefix* sx_prefix_new(int af, char* text);
int sx_prefix_parse(struct sx_prefix* p, int af, char* text);
int sx_prefix_range_parse(struct sx_radix_tree* t, int af, int ml, char* text);
int sx_prefix_fprint(FILE* f, struct sx_prefix* p);
int sx_prefix_snprintf(struct sx_prefix* p, char* rbuffer, int srb);
int sx_prefix_snprintf_sep(struct sx_prefix* p, char* rbuffer, int srb, char*);
void sx_prefix_snprintf_fmt(struct sx_prefix* p, FILE* f,
const char* name, const char* fmt,
unsigned int aggregateLow, unsigned int aggregateHi);
int sx_prefix_jsnprintf(struct sx_prefix* p, char* rbuffer, int srb);
struct sx_radix_tree* sx_radix_tree_new(int af);
struct sx_radix_node* sx_radix_node_new(struct sx_prefix* prefix);
struct sx_prefix* sx_prefix_overlay(struct sx_prefix* p, int n);
int sx_radix_tree_empty(struct sx_radix_tree* t);
void sx_radix_node_fprintf(struct sx_radix_node* node, void* udata);
int sx_radix_node_foreach(struct sx_radix_node* node,
void (*func)(struct sx_radix_node*, void*), void* udata);
int sx_radix_tree_foreach(struct sx_radix_tree* tree,
void (*func)(struct sx_radix_node*, void*), void* udata);
int sx_radix_tree_aggregate(struct sx_radix_tree* tree);
int sx_radix_tree_refine(struct sx_radix_tree* tree, unsigned refine);
int sx_radix_tree_refineLow(struct sx_radix_tree* tree, unsigned refineLow);
#ifndef HAVE_STRLCPY
size_t strlcpy(char* dst, const char* src, size_t size);
#endif
#endif