1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
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 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @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;
/**
* Number of the first peer
* in canonical order.
*/
int16_t peer1;
/**
* Number of the second peer in canonical order.
*/
int16_t peer2;
/**
* Repetition of the gradecast phase.
*/
int16_t repetition;
/**
* Leader in the gradecast phase.
*
* Can be different from both peer1 and peer2.
*/
int16_t leader;
/**
* 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;
};
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;
/**
* Is this a marker element?
*/
uint8_t marker;
/* rest: element data */
};
struct ConsensusSizeElement
{
struct ConsensusElement ce GNUNET_PACKED;
uint64_t size GNUNET_PACKED;
uint8_t sender_index;
};
GNUNET_NETWORK_STRUCT_END
#endif
|
