2 This file is part of GNUnet
3 (C) 2012 Christian Grothoff (and other contributing authors)
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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
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13 General Public License for more details.
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22 * @file include/gnunet_gns_service.h
23 * @brief API to the GNS service
24 * @author Martin Schanzenbach
27 * - decide what goes into storage API and what into GNS-service API
28 * - decide where to pass/expose/check keys / signatures
29 * - are GNS private keys per peer or per user?
33 #ifndef GNUNET_GNS_SERVICE_H
34 #define GNUNET_GNS_SERVICE_H
36 #include "gnunet_util_lib.h"
37 #include "gnunet_dnsparser_lib.h"
38 #include "gnunet_namestore_service.h"
43 #if 0 /* keep Emacsens' auto-indent happy */
50 * Connection to the GNS service.
52 struct GNUNET_GNS_Handle;
55 * Handle to control a get operation.
57 struct GNUNET_GNS_LookupHandle;
60 * Handle to control a shorten operation
65 * Based on GNUNET_DNSPARSER_TYPEs (standard DNS)
67 enum GNUNET_GNS_RecordType
70 GNUNET_GNS_RECORD_TYPE_A = GNUNET_DNSPARSER_TYPE_A,
71 GNUNET_GNS_RECORD_TYPE_NS = GNUNET_DNSPARSER_TYPE_NS,
72 GNUNET_GNS_RECORD_TYPE_CNAME = GNUNET_DNSPARSER_TYPE_CNAME,
73 GNUNET_GNS_RECORD_TYPE_SOA = GNUNET_DNSPARSER_TYPE_SOA,
74 GNUNET_GNS_RECORD_TYPE_PTR = GNUNET_DNSPARSER_TYPE_PTR,
75 GNUNET_GNS_RECORD_MX = GNUNET_DNSPARSER_TYPE_MX,
76 GNUNET_GNS_RECORD_TXT = GNUNET_DNSPARSER_TYPE_TXT,
77 GNUNET_GNS_RECORD_AAAA = GNUNET_DNSPARSER_TYPE_AAAA,
80 GNUNET_GNS_RECORD_PKEY = GNUNET_NAMESTORE_TYPE_PKEY,
81 GNUNET_GNS_RECORD_PSEU = GNUNET_NAMESTORE_TYPE_PSEU,
82 GNUNET_GNS_RECORD_ANY = GNUNET_NAMESTORE_TYPE_ANY,
83 GNUNET_GNS_RECORD_LEHO = GNUNET_NAMESTORE_TYPE_LEHO
87 * Initialize the connection with the GNS service.
89 * @param cfg configuration to use
91 * @return handle to the GNS service, or NULL on error
93 struct GNUNET_GNS_Handle *
94 GNUNET_GNS_connect (const struct GNUNET_CONFIGURATION_Handle *cfg);
98 * Shutdown connection with the GNS service.
100 * @param handle connection to shut down
103 GNUNET_GNS_disconnect (struct GNUNET_GNS_Handle *handle);
106 /* *************** Standard API: lookup ******************* */
109 * Iterator called on obtained result for a GNS
113 * @param name "name" of the original lookup
114 * @param rd_count number of records
115 * @param rd the records in reply
117 typedef void (*GNUNET_GNS_LookupResultProcessor) (void *cls,
119 const struct GNUNET_NAMESTORE_RecordData *rd);
124 * Perform an asynchronous lookup operation on the GNS
125 * in the default zone.
127 * @param handle handle to the GNS service
128 * @param name the name to look up
129 * @param type the GNUNET_GNS_RecordType to look for
130 * @param only_cached GNUNET_NO to only check locally not DHT for performance
131 * @param shorten_key the private key of the shorten zone (can be NULL)
132 * @param proc function to call on result
133 * @param proc_cls closure for processor
135 * @return handle to the queued request
137 struct GNUNET_GNS_QueueEntry *
138 GNUNET_GNS_lookup (struct GNUNET_GNS_Handle *handle,
140 enum GNUNET_GNS_RecordType type,
142 struct GNUNET_CRYPTO_RsaPrivateKey *shorten_key,
143 GNUNET_GNS_LookupResultProcessor proc,
147 * Perform an asynchronous lookup operation on the GNS
148 * in the zone specified by 'zone'.
150 * @param handle handle to the GNS service
151 * @param name the name to look up
152 * @param zone the zone to start the resolution in
153 * @param type the GNUNET_GNS_RecordType to look for
154 * @param only_cached GNUNET_NO to only check locally not DHT for performance
155 * @param shorten_key the private key of the shorten zone (can be NULL)
156 * @param proc function to call on result
157 * @param proc_cls closure for processor
159 * @return handle to the queued request
161 struct GNUNET_GNS_QueueEntry *
162 GNUNET_GNS_lookup_zone (struct GNUNET_GNS_Handle *handle,
164 struct GNUNET_CRYPTO_ShortHashCode *zone,
165 enum GNUNET_GNS_RecordType type,
167 struct GNUNET_CRYPTO_RsaPrivateKey *shorten_key,
168 GNUNET_GNS_LookupResultProcessor proc,
171 /* *************** Standard API: shorten ******************* */
175 * Processor called on for a name shortening result
179 * @param short_name the shortened name or NULL if no result
181 typedef void (*GNUNET_GNS_ShortenResultProcessor) (void *cls,
182 const char* short_name);
186 * Perform a name shortening operation on the GNS.
188 * @param handle handle to the GNS service
189 * @param name the name to look up
190 * @param proc function to call on result
191 * @param proc_cls closure for processor
192 * @return handle to the operation
194 struct GNUNET_GNS_QueueEntry *
195 GNUNET_GNS_shorten (struct GNUNET_GNS_Handle *handle,
197 GNUNET_GNS_ShortenResultProcessor proc,
202 * Perform a name shortening operation on the GNS.
204 * @param handle handle to the GNS service
205 * @param name the name to look up
206 * @param zone the zone to start the resolution in
207 * @param proc function to call on result
208 * @param proc_cls closure for processor
209 * @return handle to the operation
211 struct GNUNET_GNS_QueueEntry *
212 GNUNET_GNS_shorten_zone (struct GNUNET_GNS_Handle *handle,
214 struct GNUNET_CRYPTO_ShortHashCode *zone,
215 GNUNET_GNS_ShortenResultProcessor proc,
218 /* *************** Standard API: get authority ******************* */
222 * Processor called on for a name shortening result
226 * @param auth_name the name of the auhtority or NULL
228 typedef void (*GNUNET_GNS_GetAuthResultProcessor) (void *cls,
229 const char* short_name);
233 * Perform an authority lookup for a given name.
235 * @param handle handle to the GNS service
236 * @param name the name to look up authority for
237 * @param proc function to call on result
238 * @param proc_cls closure for processor
239 * @return handle to the operation
241 struct GNUNET_GNS_QueueEntry *
242 GNUNET_GNS_get_authority (struct GNUNET_GNS_Handle *handle,
244 GNUNET_GNS_GetAuthResultProcessor proc,
247 #if 0 /* keep Emacsens' auto-indent happy */
256 /* gnunet_gns_service.h */