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- /*
- This file is part of GNUnet
- Copyright (C) 2012 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 consensus/consensus_protocol.h
- * @brief p2p message definitions for consensus
- * @author Florian Dold
- */
- #ifndef GNUNET_CONSENSUS_PROTOCOL_H
- #define GNUNET_CONSENSUS_PROTOCOL_H
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include "gnunet_common.h"
- #include "gnunet_protocols.h"
- GNUNET_NETWORK_STRUCT_BEGIN
- /**
- * Sent as context message for set reconciliation.
- *
- * Essentially contains all the fields
- * from 'struct TaskKey', but in NBO.
- */
- struct GNUNET_CONSENSUS_RoundContextMessage
- {
- /**
- * Type: #GNUNET_MESSAGE_TYPE_CONSENSUS_P2P_ROUND_CONTEXT
- */
- struct GNUNET_MessageHeader header;
- /**
- * A value from 'enum PhaseKind'.
- */
- uint16_t kind GNUNET_PACKED;
- /**
- * Number of the first peer
- * in canonical order.
- */
- int16_t peer1 GNUNET_PACKED;
- /**
- * Number of the second peer in canonical order.
- */
- int16_t peer2 GNUNET_PACKED;
- /**
- * Repetition of the gradecast phase.
- */
- int16_t repetition GNUNET_PACKED;
- /**
- * Leader in the gradecast phase.
- *
- * Can be different from both peer1 and peer2.
- */
- int16_t leader GNUNET_PACKED;
- /**
- * Non-zero if this set reconciliation
- * had elements removed because they were contested.
- *
- * Will be considered when grading broadcasts.
- *
- * Ignored for set operations that are not within gradecasts.
- */
- uint16_t is_contested GNUNET_PACKED;
- };
- enum {
- CONSENSUS_MARKER_CONTESTED = 1,
- CONSENSUS_MARKER_SIZE = 2,
- };
- /**
- * Consensus element, either marker or payload.
- */
- struct ConsensusElement
- {
- /**
- * Payload element_type, only valid
- * if this is not a marker element.
- */
- uint16_t payload_type GNUNET_PACKED;
- /**
- * Is this a marker element?
- */
- uint8_t marker;
- /* rest: element data */
- };
- struct ConsensusSizeElement
- {
- struct ConsensusElement ce;
- uint64_t size GNUNET_PACKED;
- uint8_t sender_index;
- };
- struct ConsensusStuffedElement
- {
- struct ConsensusElement ce;
- struct GNUNET_HashCode rand GNUNET_PACKED;
- };
- GNUNET_NETWORK_STRUCT_END
- #endif
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