2 * Copyright (c) 2012, JANET(UK)
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35 #ifndef TR_CONSTRAINT_H
36 #define TR_CONSTRAINT_H
37 #include <trust_router/tr_name.h>
38 #include <trust_router/tid.h>
41 #define TR_MAX_CONST_MATCHES 24
44 typedef struct tr_constraint {
46 TR_NAME *matches[TR_MAX_CONST_MATCHES];
49 void TR_EXPORT tr_constraint_add_to_set (TR_CONSTRAINT_SET **cs, TR_CONSTRAINT *c);
51 int TR_EXPORT tr_constraint_set_validate( TR_CONSTRAINT_SET *);
53 * Create a new constraint set containing all constraints from #orig
54 * with constraint_type #constraint_type and no others. This constraint set is
55 * live until #request is freed.
57 TR_EXPORT TR_CONSTRAINT_SET *tr_constraint_set_filter(TID_REQ *request,
58 TR_CONSTRAINT_SET *orig,
59 const char * constraint_type);
61 TR_EXPORT TR_CONSTRAINT_SET
62 *tr_constraint_set_intersect(TID_REQ *request,
63 TR_CONSTRAINT_SET *input);
65 /** Get the set of wildcard strings that matches a fully intersected
66 * constraint set. Requires that the constraint set only have one
67 * constraint in it, but the constraint may have multiple matches for
68 * a given type. Returns true on success false on failure. The
69 * output is live as long as the request is live.
71 int TR_EXPORT tr_constraint_set_get_match_strings(TID_REQ *,
73 const char * constraint_type,
74 tr_const_string **output,