blob: 6c288a4da680319b30dad20f376b5933d4eba061 [file] [log] [blame]
/*********************************************************************************************************
* Software License Agreement (BSD License) *
* Author: Alexandre Westfahl <awestfahl@freediameter.net> *
* *
* Copyright (c) 2010, Alexandre Westfahl, Teraoka Laboratory (Keio University), and the WIDE Project. *
* *
* All rights reserved. *
* Based on ta_conf.y (Sebastien Decugis <sdecugis@freediameter.net>) *
* *
* Redistribution and use of this software in source and binary forms, with or without modification, are *
* permitted provided that the following conditions are met: *
* *
* * Redistributions of source code must retain the above *
* copyright notice, this list of conditions and the *
* following disclaimer. *
* *
* * Redistributions in binary form must reproduce the above *
* copyright notice, this list of conditions and the *
* following disclaimer in the documentation and/or other *
* materials provided with the distribution. *
* *
* * Neither the name of the Teraoka Laboratory nor the *
* names of its contributors may be used to endorse or *
* promote products derived from this software without *
* specific prior written permission of Teraoka Laboratory *
* *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
*********************************************************************************************************/
/* For development only : */
%debug
%error-verbose
/* The parser receives the configuration file filename as parameter */
%parse-param {char * conffile}
/* Keep track of location */
%locations
%pure-parser
%{
#include "app_sip.h"
#include "app_sip.tab.h" /* bison is not smart enough to define the YYLTYPE before including this code, so... */
#include <string.h>
#include <errno.h>
/* Forward declaration */
int yyparse(char * conffile);
/* Parse the configuration file */
int as_conf_handle(char * conffile)
{
extern FILE * app_sipin;
int ret;
TRACE_ENTRY("%p", conffile);
TRACE_DEBUG (FULL, "Parsing configuration file: %s...", conffile);
app_sipin = fopen(conffile, "r");
if (app_sipin == NULL) {
ret = errno;
fd_log_debug("Unable to open extension configuration file %s for reading: %s", conffile, strerror(ret));
TRACE_DEBUG (INFO, "Error occurred, message logged -- configuration file.");
return ret;
}
ret = yyparse(conffile);
fclose(app_sipin);
if (ret != 0) {
TRACE_DEBUG (INFO, "Unable to parse the configuration file.");
return EINVAL;
}
return 0;
}
/* The Lex parser prototype */
int app_siplex(YYSTYPE *lvalp, YYLTYPE *llocp);
/* Function to report the errors */
void yyerror (YYLTYPE *ploc, char * conffile, char const *s)
{
TRACE_DEBUG(INFO, "Error in configuration parsing");
if (ploc->first_line != ploc->last_line)
fd_log_debug("%s:%d.%d-%d.%d : %s", conffile, ploc->first_line, ploc->first_column, ploc->last_line, ploc->last_column, s);
else if (ploc->first_column != ploc->last_column)
fd_log_debug("%s:%d.%d-%d : %s", conffile, ploc->first_line, ploc->first_column, ploc->last_column, s);
else
fd_log_debug("%s:%d.%d : %s", conffile, ploc->first_line, ploc->first_column, s);
}
%}
/* Values returned by lex for token */
%union {
char *string; /* The string is allocated by strdup in lex.*/
int integer; /* Store integer values */
}
/* In case of error in the lexical analysis */
%token LEX_ERROR
/* Key words */
%token MODE
%token DATASOURCE
%token ASMYSQL_LOGIN
%token ASMYSQL_PASSWORD
%token ASMYSQL_DATABASE
%token ASMYSQL_SERVER
%token ASMYSQL_PORT
%token RTR_PORT
%token PPR_PORT
/* Tokens and types for routing table definition */
/* A (de)quoted string (malloc'd in lex parser; it must be freed after use) */
%token <string> QSTRING
/* An integer value */
%token <integer> INTEGER
/* -------------------------------------- */
%%
/* The grammar definition */
conffile: /* empty grammar is OK */
| conffile mode
| conffile datasource
| conffile mysql_login
| conffile mysql_password
| conffile mysql_database
| conffile mysql_server
| conffile mysql_port
| conffile rtr_port
| conffile ppr_port
;
mode: MODE '=' INTEGER ';'
{
as_conf->mode = $3;
}
;
datasource: DATASOURCE '=' INTEGER ';'
{
as_conf->datasource = $3;
}
;
mysql_login: ASMYSQL_LOGIN '=' QSTRING ';'
{
free(as_conf->mysql_login);
as_conf->mysql_login = $3;
}
;
mysql_password: ASMYSQL_PASSWORD '=' QSTRING ';'
{
free(as_conf->mysql_password);
as_conf->mysql_password = $3;
}
;
mysql_database: ASMYSQL_DATABASE '=' QSTRING ';'
{
free(as_conf->mysql_database);
as_conf->mysql_database = $3;
}
;
mysql_server: ASMYSQL_SERVER '=' QSTRING ';'
{
free(as_conf->mysql_server);
as_conf->mysql_server = $3;
}
;
mysql_port: ASMYSQL_PORT '=' INTEGER ';'
{
as_conf->mysql_port = (uint16_t)$3;
}
;
rtr_port: RTR_PORT '=' INTEGER ';'
{
as_conf->rtr_port = (uint16_t)$3;
}
;
ppr_port: PPR_PORT '=' INTEGER ';'
{
as_conf->ppr_port = (uint16_t)$3;
}
;