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/*
This file is part of GNUnet.
Copyright (C) 2009-2013 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
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file gns/gnunet-service-gns_reverser.h
* @brief GNUnet GNS service
* @author Martin Schanzenbach
*/
#ifndef GNS_REVERSER_H
#define GNS_REVERSER_H
#include "gns.h"
#include "gnunet_gns_service.h"
/**
* Handle for an active request.
*/
struct GNS_ReverserHandle;
/**
* Function called with results for a GNS resolution.
*
* @param cls closure
* @param rd_count number of records in @a rd
* @param rd records returned for the lookup
*/
typedef void (*GNS_ReverseResultProcessor)(void *cls,
const char *name);
/**
* Reverse lookup of a specific zone
* calls RecordLookupProcessor on result or timeout
*
* @param target the zone to perform the lookup in
* @param authority the authority
* @param proc the processor to call
* @param proc_cls the closure to pass to @a proc
* @return handle to cancel operation
*/
struct GNS_ReverserHandle *
GNS_reverse_lookup (const struct GNUNET_CRYPTO_EcdsaPublicKey *target,
const struct GNUNET_CRYPTO_EcdsaPublicKey *authority,
GNS_ReverseResultProcessor proc,
void *proc_cls);
/**
* Cancel active resolution (i.e. client disconnected).
*
* @param rh resolution to abort
*/
void
GNS_reverse_lookup_cancel (struct GNS_ReverserHandle *rh);
/**
* Initialize reverser
*
* @param nh handle to a namestore
* @param key the private key of the gns-reverse zone
* @param name the name of the gns-reverse zone
* @return GNUNET_OK
*/
int
GNS_reverse_init (struct GNUNET_NAMESTORE_Handle *nh,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *key,
const char *name);
/**
* Cleanup reverser
*/
void
GNS_reverse_done ();
#endif
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