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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" |
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18 | |
19 | //forward declaration | |
20 | namespace ceph { class Formatter; } | |
21 | class HealthService; | |
22 | ||
224ce89b | 23 | class HealthMonitor : public PaxosService |
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24 | { |
25 | map<int,HealthService*> services; | |
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26 | version_t version = 0; |
27 | map<int,health_check_map_t> quorum_checks; // for each quorum member | |
28 | health_check_map_t leader_checks; // leader only | |
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29 | |
30 | public: | |
224ce89b | 31 | HealthMonitor(Monitor *m, Paxos *p, const string& service_name); |
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32 | ~HealthMonitor() override { |
33 | assert(services.empty()); | |
34 | } | |
35 | ||
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36 | /** |
37 | * @defgroup HealthMonitor_Inherited_h Inherited abstract methods | |
38 | * @{ | |
39 | */ | |
40 | void init() override; | |
7c673cae | 41 | |
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42 | void get_health( |
43 | list<pair<health_status_t,string> >& summary, | |
44 | list<pair<health_status_t,string> > *detail, | |
45 | CephContext *cct) const override {} | |
7c673cae | 46 | |
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47 | bool preprocess_query(MonOpRequestRef op) override; |
48 | bool prepare_update(MonOpRequestRef op) override; | |
7c673cae | 49 | |
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50 | bool preprocess_health_checks(MonOpRequestRef op); |
51 | bool prepare_health_checks(MonOpRequestRef op); | |
7c673cae | 52 | |
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53 | bool check_leader_health(); |
54 | bool check_member_health(); | |
7c673cae | 55 | |
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56 | void create_initial() override; |
57 | void update_from_paxos(bool *need_bootstrap) override; | |
58 | void create_pending() override; | |
59 | void encode_pending(MonitorDBStore::TransactionRef t) override; | |
60 | version_t get_trim_to() override; | |
61 | ||
62 | void encode_full(MonitorDBStore::TransactionRef t) override { } | |
63 | ||
64 | void tick() override; | |
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65 | |
66 | /** | |
67 | * @} // HealthMonitor_Inherited_h | |
68 | */ | |
69 | }; | |
70 | ||
71 | #endif // CEPH_HEALTH_MONITOR_H |