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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2013 Inktank, Inc | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | #ifndef CEPH_HEALTH_MONITOR_H | |
15 | #define CEPH_HEALTH_MONITOR_H | |
16 | ||
224ce89b | 17 | #include "mon/PaxosService.h" |
7c673cae | 18 | |
224ce89b | 19 | class HealthMonitor : public PaxosService |
7c673cae | 20 | { |
224ce89b WB |
21 | version_t version = 0; |
22 | map<int,health_check_map_t> quorum_checks; // for each quorum member | |
23 | health_check_map_t leader_checks; // leader only | |
7c673cae FG |
24 | |
25 | public: | |
224ce89b | 26 | HealthMonitor(Monitor *m, Paxos *p, const string& service_name); |
7c673cae | 27 | |
7c673cae FG |
28 | /** |
29 | * @defgroup HealthMonitor_Inherited_h Inherited abstract methods | |
30 | * @{ | |
31 | */ | |
32 | void init() override; | |
7c673cae | 33 | |
224ce89b WB |
34 | bool preprocess_query(MonOpRequestRef op) override; |
35 | bool prepare_update(MonOpRequestRef op) override; | |
7c673cae | 36 | |
224ce89b | 37 | bool prepare_health_checks(MonOpRequestRef op); |
7c673cae | 38 | |
224ce89b WB |
39 | bool check_leader_health(); |
40 | bool check_member_health(); | |
7c673cae | 41 | |
224ce89b WB |
42 | void create_initial() override; |
43 | void update_from_paxos(bool *need_bootstrap) override; | |
44 | void create_pending() override; | |
45 | void encode_pending(MonitorDBStore::TransactionRef t) override; | |
11fdf7f2 | 46 | version_t get_trim_to() const override; |
224ce89b WB |
47 | |
48 | void encode_full(MonitorDBStore::TransactionRef t) override { } | |
49 | ||
50 | void tick() override; | |
7c673cae FG |
51 | |
52 | /** | |
53 | * @} // HealthMonitor_Inherited_h | |
54 | */ | |
55 | }; | |
56 | ||
57 | #endif // CEPH_HEALTH_MONITOR_H |