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bird/proto/stats/config.Y
2022-07-28 09:28:52 +02:00

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/*
* BIRD -- Statistics Protocol Configuration
*
* (c) 2022 Vojtech Vilimek <vojtech.vilimek@nic.cz>
* (c) 2022 CZ.NIC z.s.p.o.
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
CF_HDR
#include "proto/stats/stats.h"
CF_DEFINES
#define STATS_CFG ((struct stats_config *) this_proto)
#define STATS_CC ((struct stats_channel_config *) this_channel)
CF_DECLS
CF_KEYWORDS(STATS, TABLE, MAX, MIN, SETTLE, TIME)
%type <cc> stats_channel_start
CF_GRAMMAR
proto: stats_proto '}' { this_channel = NULL; } ;
stats_proto_start: proto_start STATS
{
this_proto = proto_config_new(&proto_stats, $1);
init_list(&STATS_CFG->terms);
}
proto_name ;
stats_channel_opt_list:
/* empty */
| '{' stats_opts '}'
;
stats_opt:
type symbol '=' term {
struct stats_term_config *tc = cfg_alloc(sizeof(struct stats_term_config));
struct f_val *val = cfg_allocz(sizeof(struct stats_term_config));
tc->code = (const struct f_line *) f_linearize($4);
tc->type = $1;
tc->name = $2->name;
tc->val = val;
/* greater then F_RETURN, therefore 2 */
//if (f_eval(f_linearize($4), &val) > 2) cf_error("Runtime error");
//if (val.type != $1) cf_error("The expresion does not match defined type");
add_tail(&STATS_CFG->terms, (node *) tc);
stats_eval_term(tc);
$2 = cf_define_symbol($2, SYM_COUNTER_TERM, val, val);
}
| MIN SETTLE TIME expr_us { STATS_CC->min_settle_time = $4; }
| MAX SETTLE TIME expr_us { STATS_CC->max_settle_time = $4; }
;
stats_opts:
/* empty */
| stats_opts channel_item ';'
| stats_opts stats_opt ';'
;
stats_proto_channel: stats_channel_start stats_channel_opt_list channel_end ;
stats_channel_start: net_type symbol
{
this_channel = channel_config_get(&channel_stats, $2->name, $1, this_proto);
STATS_CC->min_settle_time = 1 S_;
STATS_CC->max_settle_time = 20 S_;
$2 = cf_define_symbol($2, SYM_COUNTER, ch_config, this_channel);
}
stats_proto:
stats_proto_start '{'
| stats_proto proto_item ';'
| stats_proto stats_proto_channel ';'
| stats_proto ';'
;
CF_CODE
CF_END