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bird/proto/stats/config.Y

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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
/* old: #include "proto/pipe/pipe.h" */
#include "proto/stats/stats.h"
CF_DEFINES
/* old: #define PIPE_CFG ((struct pipe_config *) this_proto) */
#define STATS_CC ((struct stats_channel_config *) this_channel)
CF_DECLS
/* TODO here add more keywords */
CF_KEYWORDS(STATS, TABLE, MAX, GENERATION)
%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);
}
proto_name ;
stats_channel_opt_list:
/* empty */
| '{' stats_opts '}'
;
channel_max_gen:
MAX GENERATION expr {
if ($3 > 254) cf_error("Max generation must be in range 0..254, got %u", $3);
STATS_CC->max_generation = $3;
}
;
stats_opts:
/* empty */
| stats_opts channel_item ';'
| stats_opts channel_max_gen ';'
;
stats_proto_channel: stats_channel_start stats_channel_opt_list channel_end ;
/* stats_proto_channel: stats_channel_start stats_max_gen 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->max_generation = 16;
/* from filter/config.Y:
cf_define_symbol($3, SYM_VARIABLE | $2, offset, $3->scope->slots++) */
$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