[thirdparty/bird.git] / conf / conf.h

/*
 *	BIRD Internet Routing Daemon -- Configuration File Handling
 *
 *	(c) 1998--1999 Martin Mares <mj@ucw.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

#ifndef _BIRD_CONF_H_
#define _BIRD_CONF_H_

#include "lib/resource.h"

/* Configuration structure */

struct config {
  pool *pool;				/* Pool the configuration is stored in */
  linpool *mem;				/* Linear pool containing configuration data */
  list protos;				/* Configured protocol instances (struct proto_config) */
  list tables;				/* Configured routing tables (struct rtable_config) */
  struct rtable_config *master_rtc;	/* Configuration of master routing table */
  u32 router_id;			/* Our Router ID */
  char *err_msg;			/* Parser error message */
  int err_lino;				/* Line containing error */
  char *file_name;			/* Name of configuration file */
};

extern struct config *config, *new_config;
/* Please don't use these variables in protocols. Use proto_config->global instead. */

struct config *config_alloc(byte *name);
int config_parse(struct config *);
int cli_parse(struct config *);
void config_free(struct config *);
void config_commit(struct config *);
void cf_error(char *msg, ...) NORET;

/* Pools */

extern linpool *cfg_mem;

#define cfg_alloc(size) lp_alloc(cfg_mem, size)
#define cfg_allocu(size) lp_allocu(cfg_mem, size)
#define cfg_allocz(size) lp_allocz(cfg_mem, size)
char *cfg_strdup(char *c);

/* Lexer */

extern int (*cf_read_hook)(byte *buf, unsigned int max);

struct symbol {
  struct symbol *next;
  struct sym_scope *scope;
  int class;
  int aux;
  void *aux2; 
  void *def;
  char name[1];
};

#define SYM_VOID 0
#define SYM_PROTO 1
#define SYM_NUMBER 2
#define SYM_STAT 3 /* statement */
#define SYM_FUNCTION 5
#define SYM_FILTER 6
#define SYM_TABLE 7

#define SYM_VARIABLE 0x100	/* Reserved 0x100..0x1ff */

extern int conf_lino;

void cf_lex_init_tables(void);
int cf_lex(void);
void cf_lex_init(int is_cli);
struct symbol *cf_find_symbol(byte *c);
struct symbol *cf_default_name(char *prefix, int *counter);
void cf_define_symbol(struct symbol *symbol, int type, void *def);
void cf_push_scope(struct symbol *);
void cf_pop_scope(void);

/* Parser */

int cf_parse(void);

#endif
Commit	Line	Data
fe7cec12 MM	1	/*
	2	* BIRD Internet Routing Daemon -- Configuration File Handling
	3	*
31b3e1bb	4	* (c) 1998--1999 Martin Mares <mj@ucw.cz>
fe7cec12 MM	5	*
	6	* Can be freely distributed and used under the terms of the GNU GPL.
	7	*/
	8
	9	#ifndef _BIRD_CONF_H_
	10	#define _BIRD_CONF_H_
	11
	12	#include "lib/resource.h"
	13
31b3e1bb MM	14	/* Configuration structure */
	15
	16	struct config {
	17	pool pool; / Pool the configuration is stored in */
	18	linpool mem; / Linear pool containing configuration data */
	19	list protos; /* Configured protocol instances (struct proto_config) */
4107df1d MM	20	list tables; /* Configured routing tables (struct rtable_config) */
4107df1d MM	21	struct rtable_config master_rtc; / Configuration of master routing table */
31b3e1bb	22	u32 router_id; /* Our Router ID */
31b3e1bb MM	23	char err_msg; / Parser error message */
	24	int err_lino; /* Line containing error */
	25	char file_name; / Name of configuration file */
	26	};
	27
	28	extern struct config config, new_config;
	29	/* Please don't use these variables in protocols. Use proto_config->global instead. */
	30
	31	struct config config_alloc(byte name);
	32	int config_parse(struct config *);
bc2fb680	33	int cli_parse(struct config *);
31b3e1bb MM	34	void config_free(struct config *);
	35	void config_commit(struct config *);
	36	void cf_error(char *msg, ...) NORET;
	37
49e4a4d1 MM	38	/* Pools */
49e4a4d1 MM	39
b35d72ac	40	extern linpool *cfg_mem;
fe7cec12	41
b35d72ac MM	42	#define cfg_alloc(size) lp_alloc(cfg_mem, size)
	43	#define cfg_allocu(size) lp_allocu(cfg_mem, size)
	44	#define cfg_allocz(size) lp_allocz(cfg_mem, size)
	45	char cfg_strdup(char c);
49e4a4d1	46
fe7cec12 MM	47	/* Lexer */
	48
	49	extern int (cf_read_hook)(byte buf, unsigned int max);
	50
	51	struct symbol {
	52	struct symbol *next;
c8f61a01	53	struct sym_scope *scope;
fe7cec12	54	int class;
0b62c3a7	55	int aux;
6542ece9	56	void *aux2;
fe7cec12 MM	57	void *def;
	58	char name[1];
	59	};
	60
	61	#define SYM_VOID 0
8450be97	62	#define SYM_PROTO 1
0b62c3a7	63	#define SYM_NUMBER 2
72380a34	64	#define SYM_STAT 3 /* statement */
72380a34 PM	65	#define SYM_FUNCTION 5
72380a34 PM	66	#define SYM_FILTER 6
4107df1d	67	#define SYM_TABLE 7
fe7cec12	68
ba921648 PM	69	#define SYM_VARIABLE 0x100 /* Reserved 0x100..0x1ff */
ba921648 PM	70
31b3e1bb MM	71	extern int conf_lino;
31b3e1bb MM	72
fe7cec12 MM	73	void cf_lex_init_tables(void);
fe7cec12 MM	74	int cf_lex(void);
bc2fb680	75	void cf_lex_init(int is_cli);
4107df1d	76	struct symbol cf_find_symbol(byte c);
4ba84ebc	77	struct symbol cf_default_name(char prefix, int *counter);
4107df1d	78	void cf_define_symbol(struct symbol symbol, int type, void def);
df8b85e3 MM	79	void cf_push_scope(struct symbol *);
df8b85e3 MM	80	void cf_pop_scope(void);
fe7cec12 MM	81
	82	/* Parser */
	83
	84	int cf_parse(void);
	85
	86	#endif