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-rw-r--r--nest/attrs.h25
1 files changed, 21 insertions, 4 deletions
diff --git a/nest/attrs.h b/nest/attrs.h
index abd6b9e..fee2c2c 100644
--- a/nest/attrs.h
+++ b/nest/attrs.h
@@ -14,16 +14,30 @@
#define AS_PATH_SET 1 /* Types of path segments */
#define AS_PATH_SEQUENCE 2
-struct adata *as_path_prepend(struct linpool *pool, struct adata *olda, int as);
+#define AS_PATH_MAXLEN 10000
+
+#define AS_TRANS 23456
+/* AS_TRANS is used when we need to store 32bit ASN larger than 0xFFFF
+ * to 16bit slot (like in 16bit AS_PATH). See RFC 4893 for details
+ */
+
+struct adata *as_path_prepend(struct linpool *pool, struct adata *olda, u32 as);
+int as_path_convert_to_old(struct adata *path, byte *dst, int *new_used);
+int as_path_convert_to_new(struct adata *path, byte *dst, int req_as);
void as_path_format(struct adata *path, byte *buf, unsigned int size);
int as_path_getlen(struct adata *path);
-int as_path_get_first(struct adata *path);
+int as_path_get_first(struct adata *path, u32 *orig_as);
+int as_path_get_last(struct adata *path, u32 *last_as);
+int as_path_is_member(struct adata *path, u32 as);
+
struct f_path_mask {
struct f_path_mask *next;
- int val;
+ u32 val;
+ int any;
};
-#define PM_ANY -1
+
+// #define PM_ANY -1
int as_path_match(struct adata *path, struct f_path_mask *mask);
@@ -34,4 +48,7 @@ struct adata *int_set_add(struct linpool *pool, struct adata *list, u32 val);
int int_set_contains(struct adata *list, u32 val);
struct adata *int_set_del(struct linpool *pool, struct adata *list, u32 val);
+static inline int int_set_get_size(struct adata *list)
+{ return list->length / 4; }
+
#endif