labs-bird/proto/pipe/config.Y

/*
 *	BIRD -- Table-to-Table Protocol Configuration
 *
 *	(c) 1999 Martin Mares <mj@ucw.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

CF_HDR

#include "proto/pipe/pipe.h"

CF_DEFINES

#define PIPE_CFG ((struct pipe_config *) this_proto)

CF_DECLS

CF_KEYWORDS(PIPE, PEER, TABLE, MAX, GENERATION)

CF_GRAMMAR

proto: pipe_proto '}' { this_channel = NULL; }  ;

pipe_proto_start: proto_start PIPE
{
  this_proto = proto_config_new(&proto_pipe, $1);
  this_proto->loop_order = DOMAIN_ORDER(proto);
  PIPE_CFG->max_generation = 16;
}
proto_name
{
  this_channel = proto_cf_main_channel(this_proto);
  if (!this_channel) {
    this_channel = channel_config_new(NULL, NULL, 0, this_proto);
    this_channel->in_filter = FILTER_ACCEPT;
    this_channel->out_filter = FILTER_ACCEPT;
  }
};

pipe_proto:
   pipe_proto_start '{'
 | pipe_proto proto_item ';'
 | pipe_proto channel_item_ ';'
 | pipe_proto IMPORT IN net_any imexport ';' {
    if (this_channel->net_type && ($4->type != this_channel->net_type))
      cf_error("Incompatible export prefilter type");
    PIPE_CFG->in_subprefix = $4;
    this_channel->in_filter = $5;
  }
 | pipe_proto PEER TABLE rtable ';' { PIPE_CFG->peer = $4; }
 | pipe_proto MAX GENERATION expr ';' {
    if (($4 < 1) || ($4 > 254)) cf_error("Max generation must be in range 1..254, got %u", $4);
    PIPE_CFG->max_generation = $4;
  }
 ;

CF_CODE

CF_END