X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Finclude%2Fgnunet_gns_service.h;h=8a1099444075b367477cd605605a0361eaa19136;hb=17047b7bcbe3f1756028058a9887416c6afab5d8;hp=748aa9f4bada3d8b96c6a6eb67275c64ee73fb2b;hpb=349d176da232e5fdc6afd9c90ae02bf928365ac0;p=oweals%2Fgnunet.git diff --git a/src/include/gnunet_gns_service.h b/src/include/gnunet_gns_service.h index 748aa9f4b..8a1099444 100644 --- a/src/include/gnunet_gns_service.h +++ b/src/include/gnunet_gns_service.h @@ -1,6 +1,6 @@ /* This file is part of GNUnet - (C) 2012 Christian Grothoff (and other contributing authors) + Copyright (C) 2012-2014 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 @@ -14,26 +14,29 @@ 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. */ /** - * @file include/gnunet_gns_service.h - * @brief API to the GNS service * @author Martin Schanzenbach * - * TODO: - * - decide what goes into storage API and what into GNS-service API - * - decide where to pass/expose/check keys / signatures - * - are GNS private keys per peer or per user? + * @file + * API to the GNS service + * + * @defgroup gns GNS service + * GNU Name System + * + * @see [Documentation](https://gnunet.org/gns-implementation) + * + * @{ */ - - #ifndef GNUNET_GNS_SERVICE_H #define GNUNET_GNS_SERVICE_H #include "gnunet_util_lib.h" +#include "gnunet_dnsparser_lib.h" +#include "gnunet_namestore_service.h" #ifdef __cplusplus extern "C" @@ -45,43 +48,30 @@ extern "C" /** - * Connection to the GNS service. + * String we use to indicate the local master zone or a + * root entry in the current zone. */ -struct GNUNET_GNS_Handle; +#define GNUNET_GNS_MASTERZONE_STR "+" /** - * Handle to control a get operation. + * Connection to the GNS service. */ -struct GNUNET_GNS_LookupHandle; +struct GNUNET_GNS_Handle; /** - * A single GNS record. + * Handle to control a lookup operation. */ -struct GNUNET_GNS_Record; +struct GNUNET_GNS_LookupRequest; -/** - * Records types - */ -enum GNUNET_GNS_RecordType -{ - // FIXME: should be based on GNUNET_DNSPARSER_TYPE's (standard DNS), - // and then maybe our extensions in the area > 255? - GNUNET_GNS_RECORD_A, - GNUNET_GNS_RECORD_AAAA, - GNUNET_GNS_RECORD_MX, - GNUNET_GNS_RECORD_PKEY -}; /** * Initialize the connection with the GNS service. * * @param cfg configuration to use - * @param ht_len size of the internal hash table to use for parallel lookups - * @return NULL on error + * @return handle to the GNS service, or NULL on error */ struct GNUNET_GNS_Handle * -GNUNET_GNS_connect (const struct GNUNET_CONFIGURATION_Handle *cfg, - unsigned int ht_len); +GNUNET_GNS_connect (const struct GNUNET_CONFIGURATION_Handle *cfg); /** @@ -93,59 +83,104 @@ void GNUNET_GNS_disconnect (struct GNUNET_GNS_Handle *handle); -/* *************** Standard API: lookup ******************* */ - /** - * Iterator called on each result obtained for a GNS - * operation that expects a reply TODO: eh? + * Iterator called on obtained result for a GNS lookup. * + * @param cls closure + * @param rd_count number of records in @a rd + * @param rd the records in reply + */ +typedef void (*GNUNET_GNS_LookupResultProcessor) (void *cls, + uint32_t rd_count, + const struct GNUNET_GNSRECORD_Data *rd); + +/** + * Iterator called on obtained result for a GNS lookup. * * @param cls closure - * @param name "name" of the original lookup - * @param record the records in reply - * // FIXME: shouldn't this then be an array of pointers? - not sure as of yet - * @param num_records the number of records in reply + * @param rd_count number of records in @a rd + * @param rd the records in reply + */ +typedef void (*GNUNET_GNS_ReverseLookupResultProcessor) (void *cls, + const char* name); + + +/** + * Options for the GNS lookup. */ -typedef void (*GNUNET_GNS_LookupIterator) (void *cls, - const char * name, - const struct GNUNET_GNS_Record *record, - unsigned int num_records); +enum GNUNET_GNS_LocalOptions +{ + /** + * Defaults, look in cache, then in DHT. + */ + GNUNET_GNS_LO_DEFAULT = 0, + + /** + * Never look in the DHT, keep request to local cache. + */ + GNUNET_GNS_LO_NO_DHT = 1, + + /** + * For the rightmost label, only look in the cache (it + * is our master zone), for the others, the DHT is OK. + */ + GNUNET_GNS_LO_LOCAL_MASTER = 2 +}; /** * Perform an asynchronous lookup operation on the GNS. * * @param handle handle to the GNS service - * @param timeout how long to wait for transmission of this request to the service - * // FIXME: what happens afterwards? - * @param type expected type of the response object * @param name the name to look up - * @param type the GNUNET_GNS_RecordType to look for - * @param iter function to call on each result - * @param iter_cls closure for iter + * @param zone zone to look in + * @param type the GNS record type to look for + * @param options local options for the lookup + * @param shorten_zone_key the private key of the shorten zone (can be NULL); + * specify to enable automatic shortening (given a PSEU + * record, if a given pseudonym is not yet used in the + * shorten zone, we automatically add the respective zone + * under that name) + * @param proc function to call on result + * @param proc_cls closure for processor + * @return handle to the queued request + */ +struct GNUNET_GNS_LookupRequest * +GNUNET_GNS_lookup (struct GNUNET_GNS_Handle *handle, + const char *name, + const struct GNUNET_CRYPTO_EcdsaPublicKey *zone, + uint32_t type, + enum GNUNET_GNS_LocalOptions options, + const struct GNUNET_CRYPTO_EcdsaPrivateKey *shorten_zone_key, + GNUNET_GNS_LookupResultProcessor proc, + void *proc_cls); + +/** + * Perform an asynchronous reverse lookup operation on the GNS. * - * @return handle to stop the async get + * @param handle handle to the GNS service + * @param zone_key zone to find a name for + * @param root_key our zone + * @param proc processor to call on result + * @param proc_cls closure for @a proc + * @return handle to the request */ -struct GNUNET_GNS_LookupHandle * -GNUNET_GNS_lookup_start (struct GNUNET_GNS_Handle *handle, - struct GNUNET_TIME_Relative timeout, - const char * name, - enum GNUNET_GNS_RecordType type, - GNUNET_GNS_LookupIterator iter, - void *iter_cls); +struct GNUNET_GNS_ReverseLookupRequest* +GNUNET_GNS_reverse_lookup (struct GNUNET_GNS_Handle *handle, + const struct GNUNET_CRYPTO_EcdsaPublicKey *zone_key, + const struct GNUNET_CRYPTO_EcdsaPublicKey *root_key, + GNUNET_GNS_ReverseLookupResultProcessor proc, + void *proc_cls); /** - * Stop async GNS lookup. Frees associated resources. + * Cancel pending lookup request * - * @param lookup_handle lookup operation to stop. - * - * On return lookup_handle will no longer be valid, caller - * must not use again!!! + * @param lr the lookup request to cancel */ void -GNUNET_GNS_lookup_stop (struct GNUNET_GNS_LookupHandle *lookup_handle); +GNUNET_GNS_lookup_cancel (struct GNUNET_GNS_LookupRequest *lr); #if 0 /* keep Emacsens' auto-indent happy */ @@ -155,6 +190,6 @@ GNUNET_GNS_lookup_stop (struct GNUNET_GNS_LookupHandle *lookup_handle); } #endif - #endif -/* gnunet_gns_service.h */ + +/** @} */ /* end of group */