2 This file is part of GNUnet.
3 (C) 2011 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file core/gnunet-service-core_typemap.h
23 * @brief management of map that specifies which message types this peer supports
24 * @author Christian Grothoff
26 #ifndef GNUNET_SERVICE_CORE_TYPEMAP_H
27 #define GNUNET_SERVICE_CORE_TYPEMAP_H
29 #include "gnunet_util_lib.h"
30 #include "gnunet_transport_service.h"
33 * Map specifying which message types a peer supports.
39 * Add a set of types to our type map.
42 GSC_TYPEMAP_add (const uint16_t * types, unsigned int tlen);
46 * Remove a set of types from our type map.
49 GSC_TYPEMAP_remove (const uint16_t * types, unsigned int tlen);
53 * Compute a type map message for this peer.
55 * @return this peers current type map message.
57 struct GNUNET_MessageHeader *
58 GSC_TYPEMAP_compute_type_map_message (void);
62 * Extract a type map from a TYPE_MAP message.
64 * @param msg a type map message
65 * @return NULL on error
68 GSC_TYPEMAP_get_from_message (const struct GNUNET_MessageHeader *msg);
72 * Test if any of the types from the types array is in the
75 * @param tmap map to test
76 * @param types array of types
77 * @param tcnt number of entries in types
78 * @return GNUNET_YES if a type is in the map, GNUNET_NO if not
81 GSC_TYPEMAP_test_match (const struct GSC_TypeMap *tmap, const uint16_t * types,
86 * Add additional types to a given typemap.
88 * @param tmap map to extend (not changed)
89 * @param types array of types to add
90 * @param tcnt number of entries in types
91 * @return updated type map (fresh copy)
94 GSC_TYPEMAP_extend (const struct GSC_TypeMap *tmap, const uint16_t * types,
98 * Create an empty type map.
100 * @return an empty type map
103 GSC_TYPEMAP_create (void);
107 * Free the given type map.
109 * @param tmap a type map
112 GSC_TYPEMAP_destroy (struct GSC_TypeMap *tmap);
116 * Initialize typemap subsystem.
119 GSC_TYPEMAP_init (void);
123 * Shutdown typemap subsystem.
126 GSC_TYPEMAP_done (void);
129 /* end of gnunet-service-core_typemap.h */