/*
This file is part of GNUnet.
- (C) 2011 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2011 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
/**
* Add a set of types to our type map.
+ *
+ * @param types array of message types supported by this peer
+ * @param tlen number of entries in @a types
*/
void
GSC_TYPEMAP_add (const uint16_t *types,
- unsigned int tlen);
+ unsigned int tlen);
/**
- * Remove a set of types from our type map.
+ * Remove a set of message types from our type map.
+ *
+ * @param types array of message types no longer supported by this peer
+ * @param tlen number of entries in @a types
*/
void
GSC_TYPEMAP_remove (const uint16_t *types,
- unsigned int tlen);
+ unsigned int tlen);
+
+
+/**
+ * Compute a type map message for this peer.
+ *
+ * @return this peers current type map message.
+ */
+struct GNUNET_MessageHeader *
+GSC_TYPEMAP_compute_type_map_message (void);
+
+
+/**
+ * Check if the given hash matches our current type map.
+ *
+ * @param hc hash code to check if it matches our type map
+ * @return #GNUNET_YES if the hash matches, #GNUNET_NO if not
+ */
+int
+GSC_TYPEMAP_check_hash (const struct GNUNET_HashCode *hc);
+
+
+/**
+ * Hash the contents of a type map.
+ *
+ * @param tm map to hash
+ * @param hc where to store the hash code
+ */
+void
+GSC_TYPEMAP_hash (const struct GSC_TypeMap *tm,
+ struct GNUNET_HashCode *hc);
+
+
+/**
+ * Extract a type map from a
+ * #GNUNET_MESSAGE_TYPE_CORE_COMRESSED_TYPE_MAP or
+ * #GNUNET_MESSAGE_TYPE_CORE_BINARY_TYPE_MAP message.
+ *
+ * @param msg a type map message
+ * @return NULL on error
+ */
+struct GSC_TypeMap *
+GSC_TYPEMAP_get_from_message (const struct GNUNET_MessageHeader *msg);
/**
* Test if any of the types from the types array is in the
* given type map.
*
- * @param map map to test
+ * @param tmap map to test
* @param types array of types
- * @param tcnt number of entries in types
- * @return GNUNET_YES if a type is in the map, GNUNET_NO if not
- */
+ * @param tcnt number of entries in @a types
+ * @return #GNUNET_YES if a type is in the map, #GNUNET_NO if not
+ */
int
GSC_TYPEMAP_test_match (const struct GSC_TypeMap *tmap,
- const uint16_t *types,
- unsigned int tcnt);
+ const uint16_t *types,
+ unsigned int tcnt);
+
+
+/**
+ * Add additional types to a given typemap.
+ *
+ * @param tmap map to extend (not changed)
+ * @param types array of types to add
+ * @param tcnt number of entries in @a types
+ * @return updated type map (fresh copy)
+ */
+struct GSC_TypeMap *
+GSC_TYPEMAP_extend (const struct GSC_TypeMap *tmap,
+ const uint16_t *types,
+ unsigned int tcnt);
+
+
+/**
+ * Create an empty type map.
+ *
+ * @return an empty type map
+ */
+struct GSC_TypeMap *
+GSC_TYPEMAP_create (void);
+/**
+ * Free the given type map.
+ *
+ * @param tmap a type map
+ */
void
-GSC_TYPEMAP_init ();
+GSC_TYPEMAP_destroy (struct GSC_TypeMap *tmap);
+/**
+ * Initialize typemap subsystem.
+ */
+void
+GSC_TYPEMAP_init (void);
+
+
+/**
+ * Shutdown typemap subsystem.
+ */
void
-GSC_TYPEMAP_done ();
+GSC_TYPEMAP_done (void);
#endif
/* end of gnunet-service-core_typemap.h */