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731593685b
The resource dumping routines needed to be updated in v3 to use the new API introduced in v2. Conflicts: filter/f-util.c filter/filter.c lib/birdlib.h lib/event.c lib/mempool.c lib/resource.c lib/resource.h lib/slab.c lib/timer.c nest/config.Y nest/iface.c nest/iface.h nest/locks.c nest/neighbor.c nest/proto.c nest/route.h nest/rt-attr.c nest/rt-table.c proto/bfd/bfd.c proto/bmp/bmp.c sysdep/unix/io.c sysdep/unix/krt.c sysdep/unix/main.c sysdep/unix/unix.h
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*
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* BIRD Internet Routing Daemon -- Filters
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*
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* (c) 1999 Pavel Machek <pavel@ucw.cz>
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* (c) 2018--2019 Maria Matejka <mq@jmq.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_FILT_H_
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#define _BIRD_FILT_H_
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#include "lib/resource.h"
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#include "lib/ip.h"
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#include "lib/macro.h"
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#include "nest/route.h"
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#include "lib/attrs.h"
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#include "filter/data.h"
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#include "conf/conf.h"
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/* Possible return values of filter execution */
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enum filter_return {
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F_NOP = 0,
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F_NONL,
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F_RETURN,
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F_ACCEPT, /* Need to preserve ordering: accepts < rejects! */
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F_REJECT,
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F_ERROR,
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};
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static inline const char *filter_return_str(const enum filter_return fret) {
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switch (fret) {
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#define FRS(x) case x: return #x
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FRS(F_NOP);
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FRS(F_NONL);
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FRS(F_RETURN);
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FRS(F_ACCEPT);
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FRS(F_REJECT);
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FRS(F_ERROR);
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#undef FRS
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default: bug("This shall not happen");
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}
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}
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/* The filter encapsulating structure to be pointed-to from outside */
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struct f_inst;
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struct f_line;
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struct filter {
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struct symbol *sym;
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const struct f_line *root;
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};
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struct rte;
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enum filter_return f_run(const struct filter *filter, struct rte *rte, int flags);
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enum filter_return f_run_args(const struct filter *filter, struct rte *rte, uint argc, const struct f_val *argv, int flags);
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enum filter_return f_eval_rte(const struct f_line *expr, struct rte *rte, uint argc, const struct f_val *argv, uint resc, struct f_val *resv);
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enum filter_return f_eval_buf(const struct f_line *expr, buffer *buf);
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struct f_val cf_eval_tmp(const struct f_inst *inst, int type);
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static inline struct f_val *cf_eval(const struct f_inst *inst, int type)
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{
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struct f_val val = cf_eval_tmp(inst, type);
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return lp_val_copy(cfg_mem, &val);
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}
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static inline uint cf_eval_int(const struct f_inst *inst) { return cf_eval_tmp(inst, T_INT).val.i; };
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const char *filter_name(const struct filter *filter);
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int filter_same(const struct filter *new, const struct filter *old);
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int f_same(const struct f_line *f1, const struct f_line *f2);
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void filter_preconfig(struct config *new);
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void filter_commit(struct config *new, struct config *old);
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void filters_dump_all(struct dump_request *);
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#define FILTER_ACCEPT NULL
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#define FILTER_REJECT ((struct filter *) 1)
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#define FILTER_UNDEF ((struct filter *) 2) /* Used in BGP */
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#define FF_SILENT 2 /* Silent filter execution */
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#endif
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