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- /*
- This file is part of GNUnet.
- (C) 2009, 2010, 2011, 2012, 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 scalarproduct.h
- * @brief Scalar Product Message Types
- * @author Christian M. Fuchs
- *
- * Created on September 2, 2013, 3:43 PM
- */
- #ifndef SCALARPRODUCT_H
- #define SCALARPRODUCT_H
- #ifdef __cplusplus
- extern "C"
- {
- #endif
- GNUNET_NETWORK_STRUCT_BEGIN
- /**
- * Log an error message at log-level 'level' that indicates
- * a failure of the command 'cmd' with the message given
- * by gcry_strerror(rc).
- */
- #define LOG_GCRY(level, cmd, rc) do { LOG(level, _("`%s' failed at %s:%d with error: %s\n"), cmd, __FILE__, __LINE__, gcry_strerror(rc)); } while(0)
- /**
- * Message type passed from client to service
- * to initiate a request or responder role
- */
- struct ComputationMessage
- {
- /**
- * GNUNET message header
- */
- struct GNUNET_MessageHeader header;
- /**
- * how many elements the vector in payload contains
- */
- uint32_t element_count_total GNUNET_PACKED;
- /**
- * contained elements the vector in payload contains
- */
- uint32_t element_count_contained GNUNET_PACKED;
- /**
- * Always zero.
- */
- uint32_t reserved GNUNET_PACKED;
- /**
- * the transaction/session key used to identify a session
- */
- struct GNUNET_HashCode session_key;
- /**
- * the identity of a remote peer we want to communicate with
- */
- struct GNUNET_PeerIdentity peer;
- /**
- * followed by struct GNUNET_SCALARPRODUCT_Element[]
- */
- };
- /**
- * multipart messages following `struct ComputationMessage`
- */
- struct ComputationMultipartMessage
- {
- /**
- * GNUNET message header
- */
- struct GNUNET_MessageHeader header;
- /**
- * contained elements the vector in payload contains
- */
- uint32_t element_count_contained GNUNET_PACKED;
- /**
- * followed by struct GNUNET_SCALARPRODUCT_Element[]
- */
- };
- /**
- * Message type passed from service client
- * to finalize a session as requester or responder
- */
- struct ClientResponseMessage
- {
- /**
- * GNUNET message header
- */
- struct GNUNET_MessageHeader header;
- /**
- * 0 if no product attached
- */
- uint32_t product_length GNUNET_PACKED;
- /**
- * status information about the outcome of this session
- */
- int32_t status GNUNET_PACKED;
- /**
- * Workaround for libgcrypt: -1 if negative, 0 if zero, else 1
- */
- int32_t range GNUNET_PACKED;
- /**
- * followed by product of length product_length (or nothing)
- */
- };
- GNUNET_NETWORK_STRUCT_END
- #ifdef __cplusplus
- }
- #endif
- #endif /* SCALARPRODUCT_H */
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