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
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef __CEPH_OS_SEQUENCERPOSITION_H
#define __CEPH_OS_SEQUENCERPOSITION_H
#include "include/types.h"
#include "include/encoding.h"
#include "common/Formatter.h"
#include <ostream>
/**
* transaction and op offset
*/
struct SequencerPosition {
uint64_t seq; ///< seq
uint32_t trans; ///< transaction in that seq (0-based)
uint32_t op; ///< op in that transaction (0-based)
SequencerPosition(uint64_t s=0, int32_t t=0, int32_t o=0) : seq(s), trans(t), op(o) {}
auto operator<=>(const SequencerPosition&) const = default;
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
encode(seq, bl);
encode(trans, bl);
encode(op, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& p) {
DECODE_START(1, p);
decode(seq, p);
decode(trans, p);
decode(op, p);
DECODE_FINISH(p);
}
void dump(ceph::Formatter *f) const {
f->dump_unsigned("seq", seq);
f->dump_unsigned("trans", trans);
f->dump_unsigned("op", op);
}
static void generate_test_instances(std::list<SequencerPosition*>& o) {
o.push_back(new SequencerPosition);
o.push_back(new SequencerPosition(1, 2, 3));
o.push_back(new SequencerPosition(4, 5, 6));
}
};
WRITE_CLASS_ENCODER(SequencerPosition)
inline std::ostream& operator<<(std::ostream& out, const SequencerPosition& t) {
return out << t.seq << "." << t.trans << "." << t.op;
}
#endif
|
