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Commit | Line | Data |
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fe7cec12 MM |
1 | /* |
2 | * BIRD Internet Routing Daemon -- Configuration File Handling | |
3 | * | |
50fe90ed | 4 | * (c) 1998--2000 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 | ||
9b0a0ba9 OZ |
12 | #include "sysdep/config.h" |
13 | #include "lib/ip.h" | |
fe7cec12 | 14 | #include "lib/resource.h" |
7152e5ef | 15 | #include "sysdep/unix/timer.h" |
fe7cec12 | 16 | |
48ec367a | 17 | |
31b3e1bb MM |
18 | /* Configuration structure */ |
19 | ||
20 | struct config { | |
21 | pool *pool; /* Pool the configuration is stored in */ | |
22 | linpool *mem; /* Linear pool containing configuration data */ | |
23 | list protos; /* Configured protocol instances (struct proto_config) */ | |
4107df1d | 24 | list tables; /* Configured routing tables (struct rtable_config) */ |
c8cafc8e | 25 | list logfiles; /* Configured log files (sysdep) */ |
9b0a0ba9 | 26 | list tests; /* Configured unit tests */ |
af582c48 | 27 | |
cf31112f | 28 | int mrtdump_file; /* Configured MRTDump file (sysdep, fd in unix) */ |
44d4ab7a | 29 | char *syslog_name; /* Name used for syslog (NULL -> no syslog) */ |
f4a60a9b | 30 | struct rtable_config *def_tables[NET_MAX]; /* Default routing tables for each network */ |
79b4e12e | 31 | struct iface_patt *router_id_from; /* Configured list of router ID iface patterns */ |
cf31112f | 32 | |
31b3e1bb | 33 | u32 router_id; /* Our Router ID */ |
d72cdff4 OZ |
34 | ip_addr listen_bgp_addr; /* Listening BGP socket should use this address */ |
35 | unsigned listen_bgp_port; /* Listening BGP socket should use this port (0 is default) */ | |
36 | u32 listen_bgp_flags; /* Listening BGP socket should use these flags */ | |
cf31112f OZ |
37 | unsigned proto_default_debug; /* Default protocol debug mask */ |
38 | unsigned proto_default_mrtdump; /* Default protocol mrtdump mask */ | |
c37e7851 OZ |
39 | struct timeformat tf_route; /* Time format for 'show route' */ |
40 | struct timeformat tf_proto; /* Time format for 'show protocol' */ | |
41 | struct timeformat tf_log; /* Time format for the logfile */ | |
42 | struct timeformat tf_base; /* Time format for other purposes */ | |
0c791f87 | 43 | u32 gr_wait; /* Graceful restart wait timeout */ |
c37e7851 | 44 | |
4761efdb | 45 | int cli_debug; /* Tracing of CLI connections and commands */ |
8bcb5fb1 OZ |
46 | int latency_debug; /* I/O loop tracks duration of each event */ |
47 | u32 latency_limit; /* Events with longer duration are logged (us) */ | |
48 | u32 watchdog_warning; /* I/O loop watchdog limit for warning (us) */ | |
49 | u32 watchdog_timeout; /* Watchdog timeout (in seconds, 0 = disabled) */ | |
31b3e1bb MM |
50 | char *err_msg; /* Parser error message */ |
51 | int err_lino; /* Line containing error */ | |
48ec367a OF |
52 | char *err_file_name; /* File name containing error */ |
53 | char *file_name; /* Name of main configuration file */ | |
54 | int file_fd; /* File descriptor of main configuration file */ | |
c9aae7f4 MM |
55 | struct symbol **sym_hash; /* Lexer: symbol hash table */ |
56 | struct symbol **sym_fallback; /* Lexer: fallback symbol hash table */ | |
50fe90ed | 57 | int obstacle_count; /* Number of items blocking freeing of this config */ |
bf8558bc | 58 | int shutdown; /* This is a pseudo-config for daemon shutdown */ |
43270902 | 59 | bird_clock_t load_time; /* When we've got this configuration */ |
31b3e1bb MM |
60 | }; |
61 | ||
31b3e1bb | 62 | /* Please don't use these variables in protocols. Use proto_config->global instead. */ |
50fe90ed MM |
63 | extern struct config *config; /* Currently active configuration */ |
64 | extern struct config *new_config; /* Configuration being parsed */ | |
bf8558bc | 65 | |
9b0a0ba9 | 66 | struct config *config_alloc(const char *name); |
31b3e1bb | 67 | int config_parse(struct config *); |
bc2fb680 | 68 | int cli_parse(struct config *); |
31b3e1bb | 69 | void config_free(struct config *); |
a92cf57d OZ |
70 | int config_commit(struct config *, int type, int timeout); |
71 | int config_confirm(void); | |
72 | int config_undo(void); | |
73 | void config_init(void); | |
1a7daab1 | 74 | void cf_error(const char *msg, ...) NORET; |
50fe90ed MM |
75 | void config_add_obstacle(struct config *); |
76 | void config_del_obstacle(struct config *); | |
bf8558bc | 77 | void order_shutdown(void); |
50fe90ed | 78 | |
a92cf57d OZ |
79 | #define RECONFIG_NONE 0 |
80 | #define RECONFIG_HARD 1 | |
81 | #define RECONFIG_SOFT 2 | |
82 | #define RECONFIG_UNDO 3 | |
83 | ||
84 | #define CONF_DONE 0 | |
85 | #define CONF_PROGRESS 1 | |
86 | #define CONF_QUEUED 2 | |
87 | #define CONF_UNQUEUED 3 | |
88 | #define CONF_CONFIRM 4 | |
89 | #define CONF_SHUTDOWN -1 | |
90 | #define CONF_NOTHING -2 | |
91 | ||
31b3e1bb | 92 | |
49e4a4d1 MM |
93 | /* Pools */ |
94 | ||
b35d72ac | 95 | extern linpool *cfg_mem; |
fe7cec12 | 96 | |
b35d72ac MM |
97 | #define cfg_alloc(size) lp_alloc(cfg_mem, size) |
98 | #define cfg_allocu(size) lp_allocu(cfg_mem, size) | |
99 | #define cfg_allocz(size) lp_allocz(cfg_mem, size) | |
c8cafc8e | 100 | char *cfg_strdup(const char *c); |
a7f23f58 | 101 | void cfg_copy_list(list *dest, list *src, unsigned node_size); |
49e4a4d1 | 102 | |
fe7cec12 MM |
103 | /* Lexer */ |
104 | ||
ae80a2de | 105 | extern int (*cf_read_hook)(byte *buf, uint max, int fd); |
fe7cec12 MM |
106 | |
107 | struct symbol { | |
108 | struct symbol *next; | |
c8f61a01 | 109 | struct sym_scope *scope; |
fe7cec12 | 110 | int class; |
0b62c3a7 | 111 | int aux; |
083c43e2 | 112 | void *aux2; |
fe7cec12 MM |
113 | void *def; |
114 | char name[1]; | |
115 | }; | |
116 | ||
bc7f4e0e OZ |
117 | #define SYM_MAX_LEN 64 |
118 | ||
c0b2f646 | 119 | /* Remember to update cf_symbol_class_name() */ |
fe7cec12 | 120 | #define SYM_VOID 0 |
8450be97 | 121 | #define SYM_PROTO 1 |
1103b32e | 122 | #define SYM_TEMPLATE 2 |
cbc31830 MM |
123 | #define SYM_FUNCTION 3 |
124 | #define SYM_FILTER 4 | |
125 | #define SYM_TABLE 5 | |
fe7cec12 | 126 | |
cbc31830 | 127 | #define SYM_VARIABLE 0x100 /* 0x100-0x1ff are variable types */ |
1103b32e OZ |
128 | #define SYM_CONSTANT 0x200 /* 0x200-0x2ff are variable types */ |
129 | ||
130 | #define SYM_TYPE(s) (((struct f_val *) (s)->def)->type) | |
131 | #define SYM_VAL(s) (((struct f_val *) (s)->def)->val) | |
ba921648 | 132 | |
48ec367a | 133 | struct include_file_stack { |
4be266a9 OZ |
134 | void *buffer; /* Internal lexer state */ |
135 | char *file_name; /* File name */ | |
136 | int fd; /* File descriptor */ | |
137 | int lino; /* Current line num */ | |
138 | int depth; /* Include depth, 0 = cannot include */ | |
139 | ||
140 | struct include_file_stack *prev; /* Previous record in stack */ | |
141 | struct include_file_stack *up; /* Parent (who included this file) */ | |
48ec367a OF |
142 | }; |
143 | ||
9b7fdfc8 | 144 | extern struct include_file_stack *ifs; |
48ec367a | 145 | |
31b3e1bb | 146 | |
fe7cec12 | 147 | int cf_lex(void); |
48ec367a | 148 | void cf_lex_init(int is_cli, struct config *c); |
0c3d9dac OZ |
149 | void cf_lex_unwind(void); |
150 | ||
9b9a7143 OZ |
151 | struct symbol *cf_find_symbol(struct config *cfg, byte *c); |
152 | ||
153 | struct symbol *cf_get_symbol(byte *c); | |
d272fe22 | 154 | struct symbol *cf_default_name(char *template, int *counter); |
04dc62a0 | 155 | struct symbol *cf_define_symbol(struct symbol *symbol, int type, void *def); |
df8b85e3 MM |
156 | void cf_push_scope(struct symbol *); |
157 | void cf_pop_scope(void); | |
4b87e256 MM |
158 | struct symbol *cf_walk_symbols(struct config *cf, struct symbol *sym, int *pos); |
159 | char *cf_symbol_class_name(struct symbol *sym); | |
fe7cec12 | 160 | |
b2f00837 OZ |
161 | static inline int cf_symbol_is_constant(struct symbol *sym) |
162 | { return (sym->class & 0xff00) == SYM_CONSTANT; } | |
163 | ||
164 | ||
fe7cec12 MM |
165 | /* Parser */ |
166 | ||
9b0a0ba9 | 167 | extern char *cf_text; |
fe7cec12 MM |
168 | int cf_parse(void); |
169 | ||
7c0cc76e MM |
170 | /* Sysdep hooks */ |
171 | ||
172 | void sysdep_preconfig(struct config *); | |
50fe90ed | 173 | int sysdep_commit(struct config *, struct config *); |
bf8558bc | 174 | void sysdep_shutdown_done(void); |
7c0cc76e | 175 | |
fe7cec12 | 176 | #endif |