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22 * @author Martin Schanzenbach
23 * @file src/reclaim/gnunet-service-reclaim_tickets.h
24 * @brief reclaim tickets
28 #ifndef GNUNET_SERVICE_RECLAIM_TICKETS_H
29 #define GNUNET_SERVICE_RECLAIM_TICKETS_H
33 #include "gnunet_util_lib.h"
35 #include "gnunet_constants.h"
36 #include "gnunet_gns_service.h"
37 #include "gnunet_gnsrecord_lib.h"
38 #include "gnunet_protocols.h"
39 #include "gnunet_reclaim_lib.h"
40 #include "gnunet_reclaim_service.h"
41 #include "gnunet_signatures.h"
42 #include "gnunet_statistics_service.h"
48 struct RECLAIM_TICKETS_Iterator;
52 * Handle to a consume operation
54 struct RECLAIM_TICKETS_ConsumeHandle;
58 * Ticket revocation request handle
60 struct RECLAIM_TICKETS_RevokeHandle;
66 struct TicketRecordsEntry
71 struct TicketRecordsEntry *next;
76 struct TicketRecordsEntry *prev;
81 unsigned int rd_count;
101 * Continuation called with ticket.
104 * @param ticket the ticket
106 typedef void (*RECLAIM_TICKETS_TicketIter) (
108 struct GNUNET_RECLAIM_Ticket *ticket);
112 * Continuation called with ticket.
115 * @param ticket the ticket
116 * @param success #GNUNET_SYSERR on failure (including timeout/queue
117 * drop/failure to validate) #GNUNET_OK on success
118 * @param emsg NULL on success, otherwise an error message
120 typedef void (*RECLAIM_TICKETS_TicketResult) (
122 struct GNUNET_RECLAIM_Ticket *ticket,
131 * @param identity the issuer of the ticket/attributes
132 * @param l attribute list retrieved through ticket
133 * @param success GNUNET_OK on success
134 * @param emsg error message (NULL on success)
136 typedef void (*RECLAIM_TICKETS_ConsumeCallback) (
138 const struct GNUNET_CRYPTO_EcdsaPublicKey *identity,
139 const struct GNUNET_RECLAIM_AttributeList *attributes,
140 const struct GNUNET_RECLAIM_AttestationList *attestations,
146 * Revocation callback.
149 * @param success GNUNET_OK on success
151 typedef void (*RECLAIM_TICKETS_RevokeCallback) (void *cls, int32_t success);
156 * We start by looking up attribute references in order
157 * to change attribute IDs.
159 * @param ticket ticket to revoke
160 * @param identity private key of issuer
161 * @param cb revocation status callback
162 * @param cb_cls callback closure
163 * @return handle to the operation
165 struct RECLAIM_TICKETS_RevokeHandle *
166 RECLAIM_TICKETS_revoke (const struct GNUNET_RECLAIM_Ticket *ticket,
167 const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity,
168 RECLAIM_TICKETS_RevokeCallback cb,
173 * Cancel a revocation.
175 * @param rh handle to the operation
178 RECLAIM_TICKETS_revoke_cancel (struct RECLAIM_TICKETS_RevokeHandle *rh);
183 * We first looking attribute references under the label
186 * @param id the audience of the ticket
187 * @param ticket the ticket to consume
188 * @param cb callback to call with attributes of ticket
189 * @param cb_cls callback closure
190 * @return handle to the operation
192 struct RECLAIM_TICKETS_ConsumeHandle *
193 RECLAIM_TICKETS_consume (const struct GNUNET_CRYPTO_EcdsaPrivateKey *id,
194 const struct GNUNET_RECLAIM_Ticket *ticket,
195 RECLAIM_TICKETS_ConsumeCallback cb,
200 * Cancel a consume operation
202 * @param cth the operation to cancel
205 RECLAIM_TICKETS_consume_cancel (struct RECLAIM_TICKETS_ConsumeHandle *cth);
209 * Issue a new reclaim ticket, thereby authorizing
210 * the audience to access the set of provided attributes.
212 * @param identity the issuer
213 * @param attrs the attributes to share
214 * @param audience the audience to share the attributes with
215 * @param cb the callback to call with the ticket result
216 * @param cb_cls the callback closure
217 * FIXME: Return handle??
220 RECLAIM_TICKETS_issue (const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity,
221 const struct GNUNET_RECLAIM_AttributeList *attrs,
222 const struct GNUNET_CRYPTO_EcdsaPublicKey *audience,
223 RECLAIM_TICKETS_TicketResult cb,
228 * Continue ticket iteration
230 * @param iter the iteration to continue
233 RECLAIM_TICKETS_iteration_next (struct RECLAIM_TICKETS_Iterator *iter);
237 * Stop a running ticket iteration
239 * @param iter iteration to cancel
242 RECLAIM_TICKETS_iteration_stop (struct RECLAIM_TICKETS_Iterator *iter);
246 * Iterate over all tickets issued by an identity
248 * @param identity the issuing identity
249 * @param cb ticket callback function
250 * @param cb_cls callback closure
251 * @return a handle to the iteration
253 struct RECLAIM_TICKETS_Iterator *
254 RECLAIM_TICKETS_iteration_start (
255 const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity,
256 RECLAIM_TICKETS_TicketIter cb,
261 * Initialize tickets component
263 * @param c the configuration
264 * @return GNUNET_SYSERR on error
267 RECLAIM_TICKETS_init (const struct GNUNET_CONFIGURATION_Handle *c);
271 * Close handles and clean up.
272 * FIXME: cancel all pending operations (gns, ns etc)
275 RECLAIM_TICKETS_deinit (void);