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- /*
- This file is part of GNUnet.
- Copyright (C) 2009, 2010, 2011, 2012, 2013 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
- */
- /**
- * @file scalarproduct.h
- * @brief Scalar Product API Message Types
- * @author Christian M. Fuchs
- */
- #ifndef SCALARPRODUCT_H
- #define SCALARPRODUCT_H
- 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 AliceComputationMessage
- {
- /**
- * GNUNET message header with type
- * #GNUNET_MESSAGE_TYPE_SCALARPRODUCT_CLIENT_TO_ALICE
- */
- 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[]
- */
- };
- /**
- * Message type passed from client to service
- * to initiate a request or responder role
- */
- struct BobComputationMessage
- {
- /**
- * GNUNET message header with type
- * #GNUNET_MESSAGE_TYPE_SCALARPRODUCT_CLIENT_TO_BOB
- */
- 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;
- /**
- * followed by struct GNUNET_SCALARPRODUCT_Element[]
- */
- };
- /**
- * multipart messages following `struct ComputationMessage`
- */
- struct ComputationBobCryptodataMultipartMessage
- {
- /**
- * 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,
- * An `enum GNUNET_SCALARPRODUCT_ResponseStatus` (in NBO).
- */
- uint32_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
- #endif /* SCALARPRODUCT_H */
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