#ifndef _BIRD_CONF_H_
#define _BIRD_CONF_H_
+#include "sysdep/config.h"
+#include "lib/ip.h"
+#include "lib/hash.h"
#include "lib/resource.h"
#include "lib/timer.h"
linpool *mem; /* Linear pool containing configuration data */
list protos; /* Configured protocol instances (struct proto_config) */
list tables; /* Configured routing tables (struct rtable_config) */
- list logfiles; /* Configured log fils (sysdep) */
- struct rtable_config *master_rtc; /* Configuration of master routing table */
+ list logfiles; /* Configured log files (sysdep) */
+ list tests; /* Configured unit tests (f_bt_test_suite) */
+ list symbols; /* Configured symbols in config order */
+
+ int mrtdump_file; /* Configured MRTDump file (sysdep, fd in unix) */
+ char *syslog_name; /* Name used for syslog (NULL -> no syslog) */
+ struct rtable_config *def_tables[NET_MAX]; /* Default routing tables for each network */
+ struct iface_patt *router_id_from; /* Configured list of router ID iface patterns */
+
u32 router_id; /* Our Router ID */
- ip_addr bind_bgp_addr; /* Listening BGP socket should use this address */
- unsigned bind_bgp_port; /* Listening BGP socket should use this port (0 is default) */
- u32 bind_bgp_flags; /* Listening BGP socket should use these flags */
- unsigned int proto_default_debug; /* Default protocol debug mask */
+ unsigned proto_default_debug; /* Default protocol debug mask */
+ unsigned proto_default_mrtdump; /* Default protocol mrtdump mask */
+ struct timeformat tf_route; /* Time format for 'show route' */
+ struct timeformat tf_proto; /* Time format for 'show protocol' */
+ struct timeformat tf_log; /* Time format for the logfile */
+ struct timeformat tf_base; /* Time format for other purposes */
+ u32 gr_wait; /* Graceful restart wait timeout (sec) */
+
int cli_debug; /* Tracing of CLI connections and commands */
+ int latency_debug; /* I/O loop tracks duration of each event */
+ u32 latency_limit; /* Events with longer duration are logged (us) */
+ u32 watchdog_warning; /* I/O loop watchdog limit for warning (us) */
+ u32 watchdog_timeout; /* Watchdog timeout (in seconds, 0 = disabled) */
char *err_msg; /* Parser error message */
int err_lino; /* Line containing error */
- char *file_name; /* Name of configuration file */
- struct symbol **sym_hash; /* Lexer: symbol hash table */
- struct symbol **sym_fallback; /* Lexer: fallback symbol hash table */
+ int err_chno; /* Character where the parser stopped */
+ char *err_file_name; /* File name containing error */
+ char *file_name; /* Name of main configuration file */
+ int file_fd; /* File descriptor of main configuration file */
+ HASH(struct symbol) sym_hash; /* Lexer: symbol hash table */
+ struct config *fallback; /* Link to regular config for CLI parsing */
+ struct sym_scope *root_scope; /* Scope for root symbols */
int obstacle_count; /* Number of items blocking freeing of this config */
int shutdown; /* This is a pseudo-config for daemon shutdown */
- bird_clock_t load_time; /* When we've got this configuration */
+ int gr_down; /* This is a pseudo-config for graceful restart */
+ btime load_time; /* When we've got this configuration */
};
/* Please don't use these variables in protocols. Use proto_config->global instead. */
extern struct config *config; /* Currently active configuration */
extern struct config *new_config; /* Configuration being parsed */
-extern struct config *old_config; /* Old configuration when reconfiguration is in progress */
-extern struct config *future_config; /* New config held here if recon requested during recon */
-extern int shutting_down;
-extern bird_clock_t boot_time;
-
-struct config *config_alloc(byte *name);
+struct config *config_alloc(const char *name);
int config_parse(struct config *);
int cli_parse(struct config *);
void config_free(struct config *);
-int config_commit(struct config *, int type);
-#define RECONFIG_HARD 0
-#define RECONFIG_SOFT 1
-void cf_error(char *msg, ...) NORET;
+int config_commit(struct config *, int type, uint timeout);
+int config_confirm(void);
+int config_undo(void);
+int config_status(void);
+btime config_timer_status(void);
+void config_init(void);
+void cf_error(const char *msg, ...) NORET;
void config_add_obstacle(struct config *);
void config_del_obstacle(struct config *);
-void order_shutdown(void);
+void order_shutdown(int gr);
+
+#define RECONFIG_NONE 0
+#define RECONFIG_HARD 1
+#define RECONFIG_SOFT 2
+#define RECONFIG_UNDO 3
+
+#define CONF_DONE 0
+#define CONF_PROGRESS 1
+#define CONF_QUEUED 2
+#define CONF_UNQUEUED 3
+#define CONF_CONFIRM 4
+#define CONF_SHUTDOWN -1
+#define CONF_NOTHING -2
-#define CONF_DONE 0
-#define CONF_PROGRESS 1
-#define CONF_QUEUED 2
-#define CONF_SHUTDOWN 3
/* Pools */
#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);
+char *cfg_strdup(const char *c);
+void cfg_copy_list(list *dest, list *src, unsigned node_size);
/* Lexer */
-extern int (*cf_read_hook)(byte *buf, unsigned int max);
+extern int (*cf_read_hook)(byte *buf, uint max, int fd);
struct symbol {
+ node n; /* In list of symbols in config */
struct symbol *next;
struct sym_scope *scope;
- int class;
- int aux;
- void *aux2;
- void *def;
- char name[1];
+ int class; /* SYM_* */
+ uint flags; /* SYM_FLAG_* */
+
+ union {
+ struct proto_config *proto; /* For SYM_PROTO and SYM_TEMPLATE */
+ const struct f_line *function; /* For SYM_FUNCTION */
+ const struct filter *filter; /* For SYM_FILTER */
+ struct rtable_config *table; /* For SYM_TABLE */
+ struct f_dynamic_attr *attribute; /* For SYM_ATTRIBUTE */
+ struct f_val *val; /* For SYM_CONSTANT */
+ uint offset; /* For SYM_VARIABLE */
+ };
+
+ char name[0];
+};
+
+struct sym_scope {
+ struct sym_scope *next; /* Next on scope stack */
+ struct symbol *name; /* Name of this scope */
+ uint slots; /* Variable slots */
+ int active; /* Currently entered */
};
+#define SYM_MAX_LEN 64
+
/* Remember to update cf_symbol_class_name() */
#define SYM_VOID 0
#define SYM_PROTO 1
-#define SYM_NUMBER 2
+#define SYM_TEMPLATE 2
#define SYM_FUNCTION 3
#define SYM_FILTER 4
#define SYM_TABLE 5
-#define SYM_IPA 6
+#define SYM_ATTRIBUTE 6
#define SYM_VARIABLE 0x100 /* 0x100-0x1ff are variable types */
+#define SYM_VARIABLE_RANGE SYM_VARIABLE ... (SYM_VARIABLE | 0xff)
+#define SYM_CONSTANT 0x200 /* 0x200-0x2ff are variable types */
+#define SYM_CONSTANT_RANGE SYM_CONSTANT ... (SYM_CONSTANT | 0xff)
+
+#define SYM_TYPE(s) ((s)->val->type)
+#define SYM_VAL(s) ((s)->val->val)
+
+/* Symbol flags */
+#define SYM_FLAG_SAME 0x1 /* For SYM_FUNCTION and SYM_FILTER */
+
+struct include_file_stack {
+ void *buffer; /* Internal lexer state */
+ char *file_name; /* File name */
+ int fd; /* File descriptor */
+ int lino; /* Current line num */
+ int chno; /* Current char num (on current line) */
+ int toklen; /* Current token length */
+ int depth; /* Include depth, 0 = cannot include */
+
+ struct include_file_stack *prev; /* Previous record in stack */
+ struct include_file_stack *up; /* Parent (who included this file) */
+};
+
+extern struct include_file_stack *ifs;
-extern int conf_lino;
+extern struct sym_scope *conf_this_scope;
int cf_lex(void);
-void cf_lex_init(int is_cli);
-struct symbol *cf_find_symbol(byte *c);
+void cf_lex_init(int is_cli, struct config *c);
+void cf_lex_unwind(void);
+
+struct symbol *cf_find_symbol(const struct config *cfg, const byte *c);
+
+struct symbol *cf_get_symbol(const byte *c);
struct symbol *cf_default_name(char *template, int *counter);
-struct symbol *cf_define_symbol(struct symbol *symbol, int type, void *def);
+struct symbol *cf_localize_symbol(struct symbol *sym);
+
+/**
+ * cf_define_symbol - define meaning of a symbol
+ * @sym: symbol to be defined
+ * @type: symbol class to assign
+ * @def: class dependent data
+ *
+ * Defines new meaning of a symbol. If the symbol is an undefined
+ * one (%SYM_VOID), it's just re-defined to the new type. If it's defined
+ * in different scope, a new symbol in current scope is created and the
+ * meaning is assigned to it. If it's already defined in the current scope,
+ * an error is reported via cf_error().
+ *
+ * Result: Pointer to the newly defined symbol. If we are in the top-level
+ * scope, it's the same @sym as passed to the function.
+ */
+#define cf_define_symbol(sym_, type_, var_, def_) ({ \
+ struct symbol *sym = cf_localize_symbol(sym_); \
+ sym->class = type_; \
+ sym->var_ = def_; \
+ sym; })
+
void cf_push_scope(struct symbol *);
void cf_pop_scope(void);
-struct symbol *cf_walk_symbols(struct config *cf, struct symbol *sym, int *pos);
char *cf_symbol_class_name(struct symbol *sym);
/* Parser */
+extern char *cf_text;
int cf_parse(void);
/* Sysdep hooks */
projects / thirdparty / bird.git / blobdiff