Annotation of embedaddon/quagga/lib/routemap.h, revision 1.1.1.2
1.1 misho 1: /* Route map function.
2: * Copyright (C) 1998 Kunihiro Ishiguro
3: *
4: * This file is part of GNU Zebra.
5: *
6: * GNU Zebra is free software; you can redistribute it and/or modify it
7: * under the terms of the GNU General Public License as published by the
8: * Free Software Foundation; either version 2, or (at your option) any
9: * later version.
10: *
11: * GNU Zebra is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with GNU Zebra; see the file COPYING. If not, write to the Free
18: * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19: * 02111-1307, USA.
20: */
21:
22: #ifndef _ZEBRA_ROUTEMAP_H
23: #define _ZEBRA_ROUTEMAP_H
24:
25: /* Route map's type. */
26: enum route_map_type
27: {
28: RMAP_PERMIT,
29: RMAP_DENY,
30: RMAP_ANY
31: };
32:
33: typedef enum
34: {
35: RMAP_MATCH,
36: RMAP_DENYMATCH,
37: RMAP_NOMATCH,
38: RMAP_ERROR,
39: RMAP_OKAY
40: } route_map_result_t;
41:
42: typedef enum
43: {
44: RMAP_RIP,
45: RMAP_RIPNG,
1.1.1.2 ! misho 46: RMAP_BABEL,
1.1 misho 47: RMAP_OSPF,
48: RMAP_OSPF6,
49: RMAP_BGP,
50: RMAP_ZEBRA
51: } route_map_object_t;
52:
53: typedef enum
54: {
55: RMAP_EXIT,
56: RMAP_GOTO,
57: RMAP_NEXT
58: } route_map_end_t;
59:
60: typedef enum
61: {
62: RMAP_EVENT_SET_ADDED,
63: RMAP_EVENT_SET_DELETED,
64: RMAP_EVENT_SET_REPLACED,
65: RMAP_EVENT_MATCH_ADDED,
66: RMAP_EVENT_MATCH_DELETED,
67: RMAP_EVENT_MATCH_REPLACED,
68: RMAP_EVENT_INDEX_ADDED,
69: RMAP_EVENT_INDEX_DELETED
70: } route_map_event_t;
71:
72: /* Depth limit in RMAP recursion using RMAP_CALL. */
73: #define RMAP_RECURSION_LIMIT 10
74:
75: /* Route map rule structure for matching and setting. */
76: struct route_map_rule_cmd
77: {
78: /* Route map rule name (e.g. as-path, metric) */
79: const char *str;
80:
81: /* Function for value set or match. */
82: route_map_result_t (*func_apply)(void *, struct prefix *,
83: route_map_object_t, void *);
84:
85: /* Compile argument and return result as void *. */
86: void *(*func_compile)(const char *);
87:
88: /* Free allocated value by func_compile (). */
89: void (*func_free)(void *);
90: };
91:
92: /* Route map apply error. */
93: enum
94: {
95: /* Route map rule is missing. */
96: RMAP_RULE_MISSING = 1,
97:
98: /* Route map rule can't compile */
99: RMAP_COMPILE_ERROR
100: };
101:
102: /* Route map rule list. */
103: struct route_map_rule_list
104: {
105: struct route_map_rule *head;
106: struct route_map_rule *tail;
107: };
108:
109: /* Route map index structure. */
110: struct route_map_index
111: {
112: struct route_map *map;
113: char *description;
114:
115: /* Preference of this route map rule. */
116: int pref;
117:
118: /* Route map type permit or deny. */
119: enum route_map_type type;
120:
121: /* Do we follow old rules, or hop forward? */
122: route_map_end_t exitpolicy;
123:
124: /* If we're using "GOTO", to where do we go? */
125: int nextpref;
126:
127: /* If we're using "CALL", to which route-map do ew go? */
128: char *nextrm;
129:
130: /* Matching rule list. */
131: struct route_map_rule_list match_list;
132: struct route_map_rule_list set_list;
133:
134: /* Make linked list. */
135: struct route_map_index *next;
136: struct route_map_index *prev;
137: };
138:
139: /* Route map list structure. */
140: struct route_map
141: {
142: /* Name of route map. */
143: char *name;
144:
145: /* Route map's rule. */
146: struct route_map_index *head;
147: struct route_map_index *tail;
148:
149: /* Make linked list. */
150: struct route_map *next;
151: struct route_map *prev;
152: };
153:
154: /* Prototypes. */
155: extern void route_map_init (void);
156: extern void route_map_init_vty (void);
157: extern void route_map_finish (void);
158:
159: /* Add match statement to route map. */
160: extern int route_map_add_match (struct route_map_index *index,
161: const char *match_name,
162: const char *match_arg);
163:
164: /* Delete specified route match rule. */
165: extern int route_map_delete_match (struct route_map_index *index,
166: const char *match_name,
167: const char *match_arg);
168:
169: /* Add route-map set statement to the route map. */
170: extern int route_map_add_set (struct route_map_index *index,
171: const char *set_name,
172: const char *set_arg);
173:
174: /* Delete route map set rule. */
175: extern int route_map_delete_set (struct route_map_index *index,
176: const char *set_name,
177: const char *set_arg);
178:
179: /* Install rule command to the match list. */
180: extern void route_map_install_match (struct route_map_rule_cmd *cmd);
181:
182: /* Install rule command to the set list. */
183: extern void route_map_install_set (struct route_map_rule_cmd *cmd);
184:
185: /* Lookup route map by name. */
186: extern struct route_map * route_map_lookup_by_name (const char *name);
187:
188: /* Apply route map to the object. */
189: extern route_map_result_t route_map_apply (struct route_map *map,
190: struct prefix *,
191: route_map_object_t object_type,
192: void *object);
193:
194: extern void route_map_add_hook (void (*func) (const char *));
195: extern void route_map_delete_hook (void (*func) (const char *));
196: extern void route_map_event_hook (void (*func) (route_map_event_t, const char *));
197:
198: #endif /* _ZEBRA_ROUTEMAP_H */
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