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bird/filter/f-util.c
Maria Matejka 17f91f9e6e Explicit definition structures of route attributes
Changes in internal API:

* Every route attribute must be defined as struct ea_class somewhere.
* Registration of route attributes known at startup must be done by
  ea_register_init() from protocol build functions.
* Every attribute has now its symbol registered in a global symbol table
  defined as SYM_ATTRIBUTE
* All attribute ID's are dynamically allocated.
* Attribute value custom formatting hook is defined in the ea_class.
* Attribute names are the same for display and filters, always prefixed
  by protocol name.

Also added some unit testing code for filters with route attributes.
2022-05-04 15:39:19 +02:00

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C

/*
* Filters: utility functions
*
* Copyright 1998 Pavel Machek <pavel@ucw.cz>
* 2017 Maria Matejka <mq@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "nest/bird.h"
#include "conf/conf.h"
#include "filter/filter.h"
#include "filter/f-inst.h"
#include "lib/idm.h"
#include "nest/protocol.h"
#include "nest/rt.h"
#define P(a,b) ((a<<8) | b)
const char *
filter_name(const struct filter *filter)
{
if (!filter)
return "ACCEPT";
else if (filter == FILTER_REJECT)
return "REJECT";
else if (!filter->sym)
return "(unnamed)";
else
return filter->sym->name;
}
struct filter *f_new_where(struct f_inst *where)
{
struct f_inst *cond = f_new_inst(FI_CONDITION, where,
f_new_inst(FI_DIE, F_ACCEPT),
f_new_inst(FI_DIE, F_REJECT));
struct filter *f = cfg_allocz(sizeof(struct filter));
f->root = f_linearize(cond);
return f;
}