2 This file is part of GNUnet.
3 (C) 2012 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @author Florian Dold
23 * @file consensus/consensus.h
29 #include "gnunet_common.h"
31 GNUNET_NETWORK_STRUCT_BEGIN
34 * Sent by the client to the service,
35 * when the client wants the service to join a consensus session.
37 struct GNUNET_CONSENSUS_JoinMessage
40 * Type: GNUNET_MESSAGE_TYPE_CONSENSUS_CLIENT_JOIN
42 struct GNUNET_MessageHeader header;
45 * Number of peers (at the end of this message) that want to
46 * participate in the consensus.
48 uint32_t num_peers GNUNET_PACKED;
51 * Session id of the consensus.
53 struct GNUNET_HashCode session_id;
56 * Start time for the consensus.
58 struct GNUNET_TIME_AbsoluteNBO start;
61 * Deadline for conclude.
63 struct GNUNET_TIME_AbsoluteNBO deadline;
65 /* GNUNET_PeerIdentity[num_peers] */
70 * Message with an element
72 struct GNUNET_CONSENSUS_ElementMessage
77 * Either GNUNET_MESSAGE_TYPE_CONSENSUS_CLIENT_RECEIVED_ELEMENT
78 * or GNUNET_MESSAGE_TYPE_CONSENSUS_CLIENT_INSERT_ELEMENT
80 struct GNUNET_MessageHeader header;
83 * Type: GNUNET_MESSAGE_TYPE_CONSENSUS_CLIENT_NEW_ELEMENT
85 uint16_t element_type GNUNET_PACKED; /* FIXME: alignment? => uint32_t */
87 /* rest: element data */
90 struct GNUNET_CONSENSUS_AckMessage
93 * Type: GNUNET_MESSAGE_TYPE_CONSENSUS_CLIENT_ACK
95 struct GNUNET_MessageHeader header;
98 * Do we want to keep and propagate the element?
100 uint8_t keep; /* FIXME: alignment!? => (u)int32_t */
102 /* FIXME: add message hash? */
105 GNUNET_NETWORK_STRUCT_END