2 * services/view.h - named views containing local zones authority service.
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39 * This file contains functions to enable named views that can hold local zone
43 #ifndef SERVICES_VIEW_H
44 #define SERVICES_VIEW_H
45 #include "util/rbtree.h"
46 #include "util/locks.h"
54 * Views storage, shared.
57 /** lock on the view tree */
59 /** rbtree of struct view */
64 * View. Named structure holding local authority zones.
67 /** rbtree node, key is name */
70 * Has to be right after rbnode_t due to pointer arithmetic in
71 * view_create's lock protect */
73 /** view specific local authority zones */
74 struct local_zones* local_zones;
75 /** response-ip configuration data for this view */
76 struct respip_set* respip_set;
77 /** Fallback to global local_zones when there is no match in the view
78 * specific tree. 1 for yes, 0 for no */
80 /** lock on the data in the structure
81 * For the node and name you need to also hold the views_tree lock to
88 * Create views storage
89 * @return new struct or NULL on error.
91 struct views* views_create(void);
94 * Delete views storage
95 * @param v: views to delete.
97 void views_delete(struct views* v);
100 * Apply config settings;
101 * Takes care of locking.
102 * @param v: view is set up.
103 * @param cfg: config data.
104 * @return false on error.
106 int views_apply_cfg(struct views* v, struct config_file* cfg);
109 * Compare two view entries in rbtree. Sort canonical.
112 * @return: negative, positive or 0 comparison value.
114 int view_cmp(const void* v1, const void* v2);
118 * @param v: view to delete.
120 void view_delete(struct view* v);
123 * Debug helper. Print all views
124 * Takes care of locking.
125 * @param v: the views tree
127 void views_print(struct views* v);
129 /* Find a view by name.
131 * @param name: name of the view we are looking for
132 * @param write: 1 for obtaining write lock on found view, 0 for read lock
133 * @return: locked view or NULL.
135 struct view* views_find_view(struct views* vs, const char* name, int write);
137 #endif /* SERVICES_VIEW_H */