gnunet_scalarproduct_service.h

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/*
      This file is part of GNUnet.
      Copyright (C) 2013, 2014 GNUnet e.V.
 
      GNUnet is free software: you can redistribute it and/or modify it
      under the terms of the GNU Affero General Public License as published
      by the Free Software Foundation, either version 3 of the License,
      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
      Affero General Public License for more details.
 
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
#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
 
#define GNUNET_SCALARPRODUCT_VERSION 0x00000044
 
enum GNUNET_SCALARPRODUCT_ResponseStatus
{
  GNUNET_SCALARPRODUCT_STATUS_INIT = 0,
 
  GNUNET_SCALARPRODUCT_STATUS_ACTIVE = 1,
 
  GNUNET_SCALARPRODUCT_STATUS_SUCCESS,
 
  GNUNET_SCALARPRODUCT_STATUS_FAILURE,
 
  GNUNET_SCALARPRODUCT_STATUS_INVALID_RESPONSE,
 
  GNUNET_SCALARPRODUCT_STATUS_DISCONNECTED
};
 
 
struct GNUNET_SCALARPRODUCT_Handle;
 
 
GNUNET_NETWORK_STRUCT_BEGIN
 
struct GNUNET_SCALARPRODUCT_Element
{
  struct GNUNET_HashCode key;
 
  int64_t value GNUNET_PACKED;
};
 
GNUNET_NETWORK_STRUCT_END
 
 
typedef void
(*GNUNET_SCALARPRODUCT_ContinuationWithStatus) (
  void *cls,
  enum GNUNET_SCALARPRODUCT_ResponseStatus status);
 
 
typedef void
(*GNUNET_SCALARPRODUCT_DatumProcessor) (
  void *cls,
  enum GNUNET_SCALARPRODUCT_ResponseStatus status,
  gcry_mpi_t result);
 
 
struct GNUNET_SCALARPRODUCT_ComputationHandle;
 
 
struct GNUNET_SCALARPRODUCT_ComputationHandle *
GNUNET_SCALARPRODUCT_start_computation (
  const struct GNUNET_CONFIGURATION_Handle *cfg,
  const struct GNUNET_HashCode *session_key,
  const struct GNUNET_PeerIdentity *peer,
  const struct GNUNET_SCALARPRODUCT_Element *elements,
  uint32_t element_count,
  GNUNET_SCALARPRODUCT_DatumProcessor cont,
  void *cont_cls);
 
 
struct GNUNET_SCALARPRODUCT_ComputationHandle *
GNUNET_SCALARPRODUCT_accept_computation (
  const struct GNUNET_CONFIGURATION_Handle *cfg,
  const struct GNUNET_HashCode *session_key,
  const struct GNUNET_SCALARPRODUCT_Element *elements,
  uint32_t element_count,
  GNUNET_SCALARPRODUCT_ContinuationWithStatus cont,
  void *cont_cls);
 
 
void
GNUNET_SCALARPRODUCT_cancel (struct GNUNET_SCALARPRODUCT_ComputationHandle *h);
 
 
#if 0                           /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
 
#endif
  /* end of group */