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https://gitlab.nic.cz/labs/bird.git
synced 2024-11-17 08:38:42 +00:00
Added functions for manipulating interface name pattern lists:
o iface_patt_match(list, iface) -- match interface against list o iface_patts_equal(a, b, c) -- compare whether two pattern lists are equal or not. c(x,y) is called for comparison of protocol-dependent data.
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nest/iface.c
42
nest/iface.c
@ -12,6 +12,7 @@
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#include "nest/iface.h"
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#include "nest/protocol.h"
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#include "lib/resource.h"
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#include "lib/string.h"
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static pool *if_pool;
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@ -353,3 +354,44 @@ if_init(void)
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neigh_slab = sl_new(if_pool, sizeof(neighbor));
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init_list(&neigh_list);
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}
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/*
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* Interface Pattern Lists
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*/
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struct iface_patt *
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iface_patt_match(list *l, struct iface *i)
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{
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struct iface_patt *p;
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WALK_LIST(p, *l)
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{
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char *t = p->pattern;
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int ok = 1;
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if (*t == '-')
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{
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t++;
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ok = 0;
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}
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if (patmatch(t, i->name))
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return ok ? p : NULL;
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}
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return NULL;
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}
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int
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iface_patts_equal(list *a, list *b, int (*comp)(struct iface_patt *, struct iface_patt *))
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{
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struct iface_patt *x, *y;
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x = HEAD(*a);
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y = HEAD(*b);
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while (x->n.next && y->n.next)
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{
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if (strcmp(x->pattern, y->pattern) || comp && !comp(x, y))
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return 0;
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x = (void *) x->n.next;
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y = (void *) y->n.next;
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}
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return (!x->n.next && !y->n.next);
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}
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14
nest/iface.h
14
nest/iface.h
@ -91,4 +91,18 @@ neighbor *neigh_find(struct proto *, ip_addr *, unsigned flags);
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void neigh_dump(neighbor *);
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void neigh_dump_all(void);
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/*
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* Interface Pattern Lists
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*/
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struct iface_patt {
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node n;
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byte *pattern; /* Interface name pattern */
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/* Protocol-specific data follow */
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};
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struct iface_patt *iface_patt_match(list *, struct iface *);
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int iface_patts_equal(list *, list *, int (*)(struct iface_patt *, struct iface_patt *));
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#endif
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