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
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef CEPH_MOSDPGPEERNOTIFY_H
#define CEPH_MOSDPGPEERNOTIFY_H
#include "msg/Message.h"
#include "osd/PG.h"
/*
* PGNotify - notify primary of my PGs and versions.
*/
class MOSDPGNotify : public Message {
epoch_t epoch;
/// query_epoch is the epoch of the query being responded to, or
/// the current epoch if this is not being sent in response to a
/// query. This allows the recipient to disregard responses to old
/// queries.
epoch_t query_epoch;
vector<pg_info_t> pg_list; // pgid -> version
public:
version_t get_epoch() { return epoch; }
vector<pg_info_t>& get_pg_list() { return pg_list; }
epoch_t get_query_epoch() { return query_epoch; }
MOSDPGNotify() {}
MOSDPGNotify(epoch_t e, vector<pg_info_t>& l, epoch_t query_epoch) :
Message(MSG_OSD_PG_NOTIFY), epoch(e),
query_epoch(query_epoch) {
pg_list.swap(l);
}
private:
~MOSDPGNotify() {}
public:
const char *get_type_name() const { return "PGnot"; }
void encode_payload(uint64_t features) {
header.version = 2;
::encode(epoch, payload);
::encode(pg_list, payload);
::encode(query_epoch, payload);
}
void decode_payload() {
bufferlist::iterator p = payload.begin();
::decode(epoch, p);
::decode(pg_list, p);
if (header.version > 1) {
::decode(query_epoch, p);
}
}
void print(ostream& out) const {
out << "pg_notify(";
for (vector<pg_info_t>::const_iterator i = pg_list.begin();
i != pg_list.end();
++i) {
if (i != pg_list.begin())
out << ",";
out << i->pgid;
}
out << " epoch " << epoch
<< " query_epoch " << query_epoch
<< ")";
}
};
#endif
|
