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79b4e12e60
Router ID could be automatically determined based of subset of ifaces/addresses specified by 'router id from' option. The patch also does some minor changes related to router ID reconfiguration. Thanks to Alexander V. Chernikov for most of the work.
158 lines
5.1 KiB
C
158 lines
5.1 KiB
C
/*
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* BIRD Internet Routing Daemon -- Configuration File Handling
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*
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* (c) 1998--2000 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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#ifndef _BIRD_CONF_H_
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#define _BIRD_CONF_H_
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#include "lib/resource.h"
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#include "lib/timer.h"
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/* Configuration structure */
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struct config {
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pool *pool; /* Pool the configuration is stored in */
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linpool *mem; /* Linear pool containing configuration data */
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list protos; /* Configured protocol instances (struct proto_config) */
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list tables; /* Configured routing tables (struct rtable_config) */
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list roa_tables; /* Configured ROA tables (struct roa_table_config) */
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list logfiles; /* Configured log fils (sysdep) */
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int mrtdump_file; /* Configured MRTDump file (sysdep, fd in unix) */
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char *syslog_name; /* Name used for syslog (NULL -> no syslog) */
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struct rtable_config *master_rtc; /* Configuration of master routing table */
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struct iface_patt *router_id_from; /* Configured list of router ID iface patterns */
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u32 router_id; /* Our Router ID */
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ip_addr listen_bgp_addr; /* Listening BGP socket should use this address */
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unsigned listen_bgp_port; /* Listening BGP socket should use this port (0 is default) */
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u32 listen_bgp_flags; /* Listening BGP socket should use these flags */
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unsigned proto_default_debug; /* Default protocol debug mask */
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unsigned proto_default_mrtdump; /* Default protocol mrtdump mask */
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struct timeformat tf_route; /* Time format for 'show route' */
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struct timeformat tf_proto; /* Time format for 'show protocol' */
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struct timeformat tf_log; /* Time format for the logfile */
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struct timeformat tf_base; /* Time format for other purposes */
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int cli_debug; /* Tracing of CLI connections and commands */
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char *err_msg; /* Parser error message */
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int err_lino; /* Line containing error */
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char *err_file_name; /* File name containing error */
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char *file_name; /* Name of main configuration file */
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int file_fd; /* File descriptor of main configuration file */
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struct symbol **sym_hash; /* Lexer: symbol hash table */
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struct symbol **sym_fallback; /* Lexer: fallback symbol hash table */
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int obstacle_count; /* Number of items blocking freeing of this config */
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int shutdown; /* This is a pseudo-config for daemon shutdown */
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bird_clock_t load_time; /* When we've got this configuration */
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};
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/* Please don't use these variables in protocols. Use proto_config->global instead. */
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extern struct config *config; /* Currently active configuration */
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extern struct config *new_config; /* Configuration being parsed */
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struct config *config_alloc(byte *name);
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int config_parse(struct config *);
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int cli_parse(struct config *);
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void config_free(struct config *);
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int config_commit(struct config *, int type, int timeout);
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int config_confirm(void);
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int config_undo(void);
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void config_init(void);
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void cf_error(char *msg, ...) NORET;
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void config_add_obstacle(struct config *);
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void config_del_obstacle(struct config *);
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void order_shutdown(void);
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#define RECONFIG_NONE 0
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#define RECONFIG_HARD 1
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#define RECONFIG_SOFT 2
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#define RECONFIG_UNDO 3
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#define CONF_DONE 0
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#define CONF_PROGRESS 1
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#define CONF_QUEUED 2
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#define CONF_UNQUEUED 3
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#define CONF_CONFIRM 4
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#define CONF_SHUTDOWN -1
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#define CONF_NOTHING -2
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/* Pools */
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extern linpool *cfg_mem;
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#define cfg_alloc(size) lp_alloc(cfg_mem, size)
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#define cfg_allocu(size) lp_allocu(cfg_mem, size)
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#define cfg_allocz(size) lp_allocz(cfg_mem, size)
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char *cfg_strdup(char *c);
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void cfg_copy_list(list *dest, list *src, unsigned node_size);
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/* Lexer */
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extern int (*cf_read_hook)(byte *buf, unsigned int max, int fd);
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struct symbol {
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struct symbol *next;
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struct sym_scope *scope;
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int class;
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int aux;
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void *aux2;
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void *def;
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char name[1];
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};
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/* Remember to update cf_symbol_class_name() */
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#define SYM_VOID 0
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#define SYM_PROTO 1
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#define SYM_NUMBER 2
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#define SYM_FUNCTION 3
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#define SYM_FILTER 4
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#define SYM_TABLE 5
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#define SYM_IPA 6
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#define SYM_TEMPLATE 7
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#define SYM_ROA 8
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#define SYM_VARIABLE 0x100 /* 0x100-0x1ff are variable types */
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struct include_file_stack {
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void *buffer; /* Internal lexer state */
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char *file_name; /* File name */
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int fd; /* File descriptor */
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int lino; /* Current line num */
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int depth; /* Include depth, 0 = cannot include */
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struct include_file_stack *prev; /* Previous record in stack */
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struct include_file_stack *up; /* Parent (who included this file) */
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};
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extern struct include_file_stack *ifs;
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int cf_lex(void);
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void cf_lex_init(int is_cli, struct config *c);
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struct symbol *cf_find_symbol(byte *c);
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struct symbol *cf_default_name(char *template, int *counter);
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struct symbol *cf_define_symbol(struct symbol *symbol, int type, void *def);
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void cf_push_scope(struct symbol *);
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void cf_pop_scope(void);
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struct symbol *cf_walk_symbols(struct config *cf, struct symbol *sym, int *pos);
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char *cf_symbol_class_name(struct symbol *sym);
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/* Parser */
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int cf_parse(void);
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/* Sysdep hooks */
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void sysdep_preconfig(struct config *);
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int sysdep_commit(struct config *, struct config *);
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void sysdep_shutdown_done(void);
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#endif
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