/usr/include/gnunet/gnunet_scalarproduct_service.h is in gnunet-dev 0.10.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This file is part of GNUnet.
(C) 2013 Christian Grothoff (and other contributing authors)
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file include/gnunet_scalarproduct_service.h
* @brief API to the scalarproduct service
* @author Christian M. Fuchs
* @author Gaurav Kukreja
*/
#ifndef GNUNET_SCALARPRODUCT_SERVICE_H
#define GNUNET_SCALARPRODUCT_SERVICE_H
#define GCRYPT_NO_DEPRECATED
#include <gcrypt.h>
#ifdef __cplusplus
extern "C" {
#if 0 /* keep Emacsens' auto-indent happy */
}
#endif
#endif
/**
* Version of the scalarproduct API.
*/
#define GNUNET_SCALARPRODUCT_VERSION 0x00000042
enum GNUNET_SCALARPRODUCT_ResponseStatus
{
GNUNET_SCALARPRODUCT_Status_Success = 0,
GNUNET_SCALARPRODUCT_Status_Failure,
GNUNET_SCALARPRODUCT_Status_InvalidResponse,
GNUNET_SCALARPRODUCT_Status_ServiceDisconnected
};
/**
* Opaque declaration of the SP-Handle
*/
struct GNUNET_SCALARPRODUCT_Handle;
/**
* Continuation called to notify client about result of the
* operation.
*
* @param cls closure
* @param status Status of the request
*/
typedef void (*GNUNET_SCALARPRODUCT_ContinuationWithStatus) (void *cls,
enum GNUNET_SCALARPRODUCT_ResponseStatus status);
/**
* Process a datum that was stored in the scalarproduct.
*
* @param cls closure
* @param status Status of the request
* @param result result of the computation
*/
typedef void (*GNUNET_SCALARPRODUCT_DatumProcessor) (void *cls,
enum GNUNET_SCALARPRODUCT_ResponseStatus status,
gcry_mpi_t result);
/**
* Entry in the request queue per client
*/
struct GNUNET_SCALARPRODUCT_ComputationHandle;
/**
* Request by Alice's client for computing a scalar product
*
* @param cfg the gnunet configuration handle
* @param key Session key should be unique to the requesting client
* @param peer PeerID of the other peer
* @param elements Array of elements of the vector
* @param element_count Number of elements in the vector
* @param mask Array of the mask
* @param mask_bytes number of bytes in the mask
* @param cont Callback function
* @param cont_cls Closure for @a cont
* @return a new handle for this computation
*/
struct GNUNET_SCALARPRODUCT_ComputationHandle *
GNUNET_SCALARPRODUCT_request (const struct GNUNET_CONFIGURATION_Handle *cfg,
const struct GNUNET_HashCode *key,
const struct GNUNET_PeerIdentity *peer,
const int32_t *elements,
uint32_t element_count,
const unsigned char *mask,
uint32_t mask_bytes,
GNUNET_SCALARPRODUCT_DatumProcessor cont,
void * cont_cls);
/**
* Used by Bob's client to cooperate with Alice,
*
* @param cfg the gnunet configuration handle
* @param key Session key unique to the requesting client
* @param elements Array of elements of the vector
* @param element_count Number of elements in the vector
* @param cont Callback function
* @param cont_cls Closure for @a cont
* @return a new handle for this computation
*/
struct GNUNET_SCALARPRODUCT_ComputationHandle *
GNUNET_SCALARPRODUCT_response (const struct GNUNET_CONFIGURATION_Handle *cfg,
const struct GNUNET_HashCode *key,
const int32_t *elements,
uint32_t element_count,
GNUNET_SCALARPRODUCT_ContinuationWithStatus cont,
void *cont_cls);
/**
* Cancel an ongoing computation or revoke our collaboration offer.
* Closes the connection to the service
*
* @param h computation handle to terminate
*/
void
GNUNET_SCALARPRODUCT_cancel (struct GNUNET_SCALARPRODUCT_ComputationHandle *h);
/**
* Cancel ALL ongoing computation or revoke our collaboration offer.
* Closes ALL connections to the service
*
* FIXME: this should take an argument, and we should
* have an explicit 'connect' API which returns an opaque
* connection handle. Avoid (globals) in the library!
* @deprecated in this form
*/
void
GNUNET_SCALARPRODUCT_disconnect ();
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
#endif
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