blob: fc0bfdbde229d8bcf3695144398ad5ba95f9dc1c (
plain)
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
|
// -*- 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) 2009 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.
*
*/
/*
* The Monmap Monitor is used to track the monitors in the cluster.
*/
#ifndef CEPH_MONMAPMONITOR_H
#define CEPH_MONMAPMONITOR_H
#include <map>
#include <set>
#include "include/types.h"
#include "msg/Messenger.h"
#include "PaxosService.h"
#include "MonMap.h"
#include "MonitorDBStore.h"
class MonmapMonitor : public PaxosService {
public:
MonmapMonitor(Monitor *mn, Paxos *p, const string& service_name)
: PaxosService(mn, p, service_name)
{
}
MonMap pending_map; //the pending map awaiting passage
void create_initial() override;
void update_from_paxos(bool *need_bootstrap) override;
void create_pending() override;
void encode_pending(MonitorDBStore::TransactionRef t) override;
// we always encode the full map; we have no use for full versions
void encode_full(MonitorDBStore::TransactionRef t) override { }
void on_active() override;
void apply_mon_features(const mon_feature_t& features,
int min_mon_release);
void dump_info(Formatter *f);
bool preprocess_query(MonOpRequestRef op) override;
bool prepare_update(MonOpRequestRef op) override;
bool preprocess_join(MonOpRequestRef op);
bool prepare_join(MonOpRequestRef op);
bool preprocess_command(MonOpRequestRef op);
bool prepare_command(MonOpRequestRef op);
int get_monmap(bufferlist &bl);
/*
* Since monitors are pretty
* important, this implementation will just write 0.0.
*/
bool should_propose(double& delay) override;
void check_sub(Subscription *sub);
void tick() override;
private:
void check_subs();
bufferlist monmap_bl;
};
#endif
|
