mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-11-18 00:58:42 +00:00
7f400d1c62
whitespace/semicolon rules for whole config file:
o All non-zero amounts of whitespace are equivalent to single space
(aka `all the whitespace has been born equal' ;-)).
o Comments count as whitespace.
o Whitespace has no syntactic signifance (it can only separate lexical
elements).
o Consequence: line ends are no longer treated as `;'s.
o Every declaration must be terminated by an explicit `;' unless
or by a group enclosed in `{' and `}'.
117 lines
2.4 KiB
Plaintext
117 lines
2.4 KiB
Plaintext
/*
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* BIRD -- Core Configuration
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.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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CF_HDR
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static struct proto_config *this_proto;
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#include "nest/rt-dev.h"
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void rt_dev_add_iface(char *);
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CF_DECLS
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CF_KEYWORDS(ROUTER, ID, PROTOCOL, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
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CF_KEYWORDS(INTERFACE, INPUT, OUTPUT, FILTER)
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%type <i> idval
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CF_GRAMMAR
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/* Setting of router ID */
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CF_ADDTO(conf, rtrid)
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rtrid: ROUTER ID idval ';' {
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new_config->router_id = $3;
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}
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;
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idval:
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NUM
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| IPA { $$ = ipa_to_u32($1); }
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;
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/* Definition of protocols */
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CF_ADDTO(conf, proto)
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proto_start: PROTOCOL
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proto_name:
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/* EMPTY */ {
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struct symbol *s = cf_default_name(this_proto->proto->name, &this_proto->proto->name_counter);
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s->class = SYM_PROTO;
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s->def = this_proto;
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this_proto->name = s->name;
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}
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| SYM {
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if ($1->class) cf_error("Symbol already defined");
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$1->class = SYM_PROTO;
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$1->def = this_proto;
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this_proto->name = $1->name;
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}
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;
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proto_item:
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/* EMPTY */
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| PREFERENCE expr {
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if ($2 < 0 || $2 > 255) cf_error("Invalid preference");
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this_proto->preference = $2;
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}
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| DISABLED { this_proto->disabled = 1; }
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| DEBUG expr { this_proto->debug = $2; }
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| DEBUG ALL { this_proto->debug = ~0; }
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| DEBUG OFF { this_proto->debug = 0; }
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| INPUT FILTER filter { this_proto->in_filter = $3; }
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| OUTPUT FILTER filter { this_proto->out_filter = $3; }
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;
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/* Direct device route protocol */
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CF_ADDTO(proto, dev_proto '}')
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dev_proto_start: proto_start DIRECT {
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struct rt_dev_config *p = proto_config_new(&proto_device, sizeof(struct rt_dev_config));
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struct iface_patt *k = cfg_alloc(sizeof(struct iface_patt));
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this_proto = &p->c;
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p->c.preference = DEF_PREF_DIRECT;
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init_list(&p->iface_list);
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k->pattern = "*";
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add_tail(&p->iface_list, &k->n);
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}
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;
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dev_proto:
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dev_proto_start proto_name '{'
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| dev_proto proto_item ';'
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| dev_proto dev_iface_list ';'
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;
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dev_iface_list:
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INTERFACE TEXT {
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/* FIXME: Beware of obscure semantics. */
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init_list(&((struct rt_dev_config *) this_proto)->iface_list);
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rt_dev_add_iface($2);
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}
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| dev_iface_list ',' TEXT { rt_dev_add_iface($3); }
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;
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CF_CODE
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void
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rt_dev_add_iface(char *n)
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{
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struct rt_dev_config *p = (void *) this_proto;
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struct iface_patt *k = cfg_alloc(sizeof(struct iface_patt));
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k->pattern = cfg_strdup(n);
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add_tail(&p->iface_list, &k->n);
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}
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CF_END
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